git.oblomov.eu Git - linux-2.6/blob - drivers/net/tg3.c

   1 /*
   2  * tg3.c: Broadcom Tigon3 ethernet driver.
   3  *
   4  * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
   5  * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
   6  * Copyright (C) 2004 Sun Microsystems Inc.
   7  * Copyright (C) 2005-2009 Broadcom Corporation.
   8  *
   9  * Firmware is:
  10  *      Derived from proprietary unpublished source code,
  11  *      Copyright (C) 2000-2003 Broadcom Corporation.
  12  *
  13  *      Permission is hereby granted for the distribution of this firmware
  14  *      data in hexadecimal or equivalent format, provided this copyright
  15  *      notice is accompanying it.
  16  */
  17
  18
  19 #include <linux/module.h>
  20 #include <linux/moduleparam.h>
  21 #include <linux/kernel.h>
  22 #include <linux/types.h>
  23 #include <linux/compiler.h>
  24 #include <linux/slab.h>
  25 #include <linux/delay.h>
  26 #include <linux/in.h>
  27 #include <linux/init.h>
  28 #include <linux/ioport.h>
  29 #include <linux/pci.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/skbuff.h>
  33 #include <linux/ethtool.h>
  34 #include <linux/mii.h>
  35 #include <linux/phy.h>
  36 #include <linux/brcmphy.h>
  37 #include <linux/if_vlan.h>
  38 #include <linux/ip.h>
  39 #include <linux/tcp.h>
  40 #include <linux/workqueue.h>
  41 #include <linux/prefetch.h>
  42 #include <linux/dma-mapping.h>
  43 #include <linux/firmware.h>
  44
  45 #include <net/checksum.h>
  46 #include <net/ip.h>
  47
  48 #include <asm/system.h>
  49 #include <asm/io.h>
  50 #include <asm/byteorder.h>
  51 #include <asm/uaccess.h>
  52
  53 #ifdef CONFIG_SPARC
  54 #include <asm/idprom.h>
  55 #include <asm/prom.h>
  56 #endif
  57
  58 #define BAR_0   0
  59 #define BAR_2   2
  60
  61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  62 #define TG3_VLAN_TAG_USED 1
  63 #else
  64 #define TG3_VLAN_TAG_USED 0
  65 #endif
  66
  67 #include "tg3.h"
  68
  69 #define DRV_MODULE_NAME         "tg3"
  70 #define PFX DRV_MODULE_NAME     ": "
  71 #define DRV_MODULE_VERSION      "3.98"
  72 #define DRV_MODULE_RELDATE      "February 25, 2009"
  73
  74 #define TG3_DEF_MAC_MODE        0
  75 #define TG3_DEF_RX_MODE         0
  76 #define TG3_DEF_TX_MODE         0
  77 #define TG3_DEF_MSG_ENABLE        \
  78         (NETIF_MSG_DRV          | \
  79          NETIF_MSG_PROBE        | \
  80          NETIF_MSG_LINK         | \
  81          NETIF_MSG_TIMER        | \
  82          NETIF_MSG_IFDOWN       | \
  83          NETIF_MSG_IFUP         | \
  84          NETIF_MSG_RX_ERR       | \
  85          NETIF_MSG_TX_ERR)
  86
  87 /* length of time before we decide the hardware is borked,
  88  * and dev->tx_timeout() should be called to fix the problem
  89  */
  90 #define TG3_TX_TIMEOUT                  (5 * HZ)
  91
  92 /* hardware minimum and maximum for a single frame's data payload */
  93 #define TG3_MIN_MTU                     60
  94 #define TG3_MAX_MTU(tp) \
  95         ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
  96
  97 /* These numbers seem to be hard coded in the NIC firmware somehow.
  98  * You can't change the ring sizes, but you can change where you place
  99  * them in the NIC onboard memory.
 100  */
 101 #define TG3_RX_RING_SIZE                512
 102 #define TG3_DEF_RX_RING_PENDING         200
 103 #define TG3_RX_JUMBO_RING_SIZE          256
 104 #define TG3_DEF_RX_JUMBO_RING_PENDING   100
 105
 106 /* Do not place this n-ring entries value into the tp struct itself,
 107  * we really want to expose these constants to GCC so that modulo et
 108  * al.  operations are done with shifts and masks instead of with
 109  * hw multiply/modulo instructions.  Another solution would be to
 110  * replace things like '% foo' with '& (foo - 1)'.
 111  */
 112 #define TG3_RX_RCB_RING_SIZE(tp)        \
 113         ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ?  512 : 1024)
 114
 115 #define TG3_TX_RING_SIZE                512
 116 #define TG3_DEF_TX_RING_PENDING         (TG3_TX_RING_SIZE - 1)
 117
 118 #define TG3_RX_RING_BYTES       (sizeof(struct tg3_rx_buffer_desc) * \
 119                                  TG3_RX_RING_SIZE)
 120 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
 121                                  TG3_RX_JUMBO_RING_SIZE)
 122 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
 123                                    TG3_RX_RCB_RING_SIZE(tp))
 124 #define TG3_TX_RING_BYTES       (sizeof(struct tg3_tx_buffer_desc) * \
 125                                  TG3_TX_RING_SIZE)
 126 #define NEXT_TX(N)              (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 127
 128 #define RX_PKT_BUF_SZ           (1536 + tp->rx_offset + 64)
 129 #define RX_JUMBO_PKT_BUF_SZ     (9046 + tp->rx_offset + 64)
 130
 131 /* minimum number of free TX descriptors required to wake up TX process */
 132 #define TG3_TX_WAKEUP_THRESH(tp)                ((tp)->tx_pending / 4)
 133
 134 #define TG3_RAW_IP_ALIGN 2
 135
 136 /* number of ETHTOOL_GSTATS u64's */
 137 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 138
 139 #define TG3_NUM_TEST            6
 140
 141 #define FIRMWARE_TG3            "tigon/tg3.bin"
 142 #define FIRMWARE_TG3TSO         "tigon/tg3_tso.bin"
 143 #define FIRMWARE_TG3TSO5        "tigon/tg3_tso5.bin"
 144
 145 static char version[] __devinitdata =
 146         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 147
 148 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 149 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 150 MODULE_LICENSE("GPL");
 151 MODULE_VERSION(DRV_MODULE_VERSION);
 152 MODULE_FIRMWARE(FIRMWARE_TG3);
 153 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
 154 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
 155
 156
 157 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 158 module_param(tg3_debug, int, 0);
 159 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 160
 161 static struct pci_device_id tg3_pci_tbl[] = {
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 211         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 212         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 213         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 214         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 215         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
 216         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
 217         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
 218         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
 219         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
 220         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
 221         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
 222         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5785)},
 223         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
 224         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
 225         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
 226         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57720)},
 227         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 228         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 229         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 230         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 231         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 232         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 233         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 234         {}
 235 };
 236
 237 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 238
 239 static const struct {
 240         const char string[ETH_GSTRING_LEN];
 241 } ethtool_stats_keys[TG3_NUM_STATS] = {
 242         { "rx_octets" },
 243         { "rx_fragments" },
 244         { "rx_ucast_packets" },
 245         { "rx_mcast_packets" },
 246         { "rx_bcast_packets" },
 247         { "rx_fcs_errors" },
 248         { "rx_align_errors" },
 249         { "rx_xon_pause_rcvd" },
 250         { "rx_xoff_pause_rcvd" },
 251         { "rx_mac_ctrl_rcvd" },
 252         { "rx_xoff_entered" },
 253         { "rx_frame_too_long_errors" },
 254         { "rx_jabbers" },
 255         { "rx_undersize_packets" },
 256         { "rx_in_length_errors" },
 257         { "rx_out_length_errors" },
 258         { "rx_64_or_less_octet_packets" },
 259         { "rx_65_to_127_octet_packets" },
 260         { "rx_128_to_255_octet_packets" },
 261         { "rx_256_to_511_octet_packets" },
 262         { "rx_512_to_1023_octet_packets" },
 263         { "rx_1024_to_1522_octet_packets" },
 264         { "rx_1523_to_2047_octet_packets" },
 265         { "rx_2048_to_4095_octet_packets" },
 266         { "rx_4096_to_8191_octet_packets" },
 267         { "rx_8192_to_9022_octet_packets" },
 268
 269         { "tx_octets" },
 270         { "tx_collisions" },
 271
 272         { "tx_xon_sent" },
 273         { "tx_xoff_sent" },
 274         { "tx_flow_control" },
 275         { "tx_mac_errors" },
 276         { "tx_single_collisions" },
 277         { "tx_mult_collisions" },
 278         { "tx_deferred" },
 279         { "tx_excessive_collisions" },
 280         { "tx_late_collisions" },
 281         { "tx_collide_2times" },
 282         { "tx_collide_3times" },
 283         { "tx_collide_4times" },
 284         { "tx_collide_5times" },
 285         { "tx_collide_6times" },
 286         { "tx_collide_7times" },
 287         { "tx_collide_8times" },
 288         { "tx_collide_9times" },
 289         { "tx_collide_10times" },
 290         { "tx_collide_11times" },
 291         { "tx_collide_12times" },
 292         { "tx_collide_13times" },
 293         { "tx_collide_14times" },
 294         { "tx_collide_15times" },
 295         { "tx_ucast_packets" },
 296         { "tx_mcast_packets" },
 297         { "tx_bcast_packets" },
 298         { "tx_carrier_sense_errors" },
 299         { "tx_discards" },
 300         { "tx_errors" },
 301
 302         { "dma_writeq_full" },
 303         { "dma_write_prioq_full" },
 304         { "rxbds_empty" },
 305         { "rx_discards" },
 306         { "rx_errors" },
 307         { "rx_threshold_hit" },
 308
 309         { "dma_readq_full" },
 310         { "dma_read_prioq_full" },
 311         { "tx_comp_queue_full" },
 312
 313         { "ring_set_send_prod_index" },
 314         { "ring_status_update" },
 315         { "nic_irqs" },
 316         { "nic_avoided_irqs" },
 317         { "nic_tx_threshold_hit" }
 318 };
 319
 320 static const struct {
 321         const char string[ETH_GSTRING_LEN];
 322 } ethtool_test_keys[TG3_NUM_TEST] = {
 323         { "nvram test     (online) " },
 324         { "link test      (online) " },
 325         { "register test  (offline)" },
 326         { "memory test    (offline)" },
 327         { "loopback test  (offline)" },
 328         { "interrupt test (offline)" },
 329 };
 330
 331 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 332 {
 333         writel(val, tp->regs + off);
 334 }
 335
 336 static u32 tg3_read32(struct tg3 *tp, u32 off)
 337 {
 338         return (readl(tp->regs + off));
 339 }
 340
 341 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
 342 {
 343         writel(val, tp->aperegs + off);
 344 }
 345
 346 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
 347 {
 348         return (readl(tp->aperegs + off));
 349 }
 350
 351 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 352 {
 353         unsigned long flags;
 354
 355         spin_lock_irqsave(&tp->indirect_lock, flags);
 356         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 357         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 358         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 359 }
 360
 361 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 362 {
 363         writel(val, tp->regs + off);
 364         readl(tp->regs + off);
 365 }
 366
 367 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 368 {
 369         unsigned long flags;
 370         u32 val;
 371
 372         spin_lock_irqsave(&tp->indirect_lock, flags);
 373         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 374         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 375         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 376         return val;
 377 }
 378
 379 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 380 {
 381         unsigned long flags;
 382
 383         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 384                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 385                                        TG3_64BIT_REG_LOW, val);
 386                 return;
 387         }
 388         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 389                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 390                                        TG3_64BIT_REG_LOW, val);
 391                 return;
 392         }
 393
 394         spin_lock_irqsave(&tp->indirect_lock, flags);
 395         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 396         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 397         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 398
 399         /* In indirect mode when disabling interrupts, we also need
 400          * to clear the interrupt bit in the GRC local ctrl register.
 401          */
 402         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 403             (val == 0x1)) {
 404                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 405                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 406         }
 407 }
 408
 409 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 410 {
 411         unsigned long flags;
 412         u32 val;
 413
 414         spin_lock_irqsave(&tp->indirect_lock, flags);
 415         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 416         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 417         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 418         return val;
 419 }
 420
 421 /* usec_wait specifies the wait time in usec when writing to certain registers
 422  * where it is unsafe to read back the register without some delay.
 423  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 424  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 425  */
 426 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 427 {
 428         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 429             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 430                 /* Non-posted methods */
 431                 tp->write32(tp, off, val);
 432         else {
 433                 /* Posted method */
 434                 tg3_write32(tp, off, val);
 435                 if (usec_wait)
 436                         udelay(usec_wait);
 437                 tp->read32(tp, off);
 438         }
 439         /* Wait again after the read for the posted method to guarantee that
 440          * the wait time is met.
 441          */
 442         if (usec_wait)
 443                 udelay(usec_wait);
 444 }
 445
 446 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 447 {
 448         tp->write32_mbox(tp, off, val);
 449         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 450             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 451                 tp->read32_mbox(tp, off);
 452 }
 453
 454 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 455 {
 456         void __iomem *mbox = tp->regs + off;
 457         writel(val, mbox);
 458         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 459                 writel(val, mbox);
 460         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 461                 readl(mbox);
 462 }
 463
 464 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 465 {
 466         return (readl(tp->regs + off + GRCMBOX_BASE));
 467 }
 468
 469 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 470 {
 471         writel(val, tp->regs + off + GRCMBOX_BASE);
 472 }
 473
 474 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 475 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 476 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 477 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 478 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 479
 480 #define tw32(reg,val)           tp->write32(tp, reg, val)
 481 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 482 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 483 #define tr32(reg)               tp->read32(tp, reg)
 484
 485 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 486 {
 487         unsigned long flags;
 488
 489         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 490             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 491                 return;
 492
 493         spin_lock_irqsave(&tp->indirect_lock, flags);
 494         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 495                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 496                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 497
 498                 /* Always leave this as zero. */
 499                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 500         } else {
 501                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 502                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 503
 504                 /* Always leave this as zero. */
 505                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 506         }
 507         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 508 }
 509
 510 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 511 {
 512         unsigned long flags;
 513
 514         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 515             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 516                 *val = 0;
 517                 return;
 518         }
 519
 520         spin_lock_irqsave(&tp->indirect_lock, flags);
 521         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 522                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 523                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 524
 525                 /* Always leave this as zero. */
 526                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 527         } else {
 528                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 529                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 530
 531                 /* Always leave this as zero. */
 532                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 533         }
 534         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 535 }
 536
 537 static void tg3_ape_lock_init(struct tg3 *tp)
 538 {
 539         int i;
 540
 541         /* Make sure the driver hasn't any stale locks. */
 542         for (i = 0; i < 8; i++)
 543                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
 544                                 APE_LOCK_GRANT_DRIVER);
 545 }
 546
 547 static int tg3_ape_lock(struct tg3 *tp, int locknum)
 548 {
 549         int i, off;
 550         int ret = 0;
 551         u32 status;
 552
 553         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 554                 return 0;
 555
 556         switch (locknum) {
 557                 case TG3_APE_LOCK_GRC:
 558                 case TG3_APE_LOCK_MEM:
 559                         break;
 560                 default:
 561                         return -EINVAL;
 562         }
 563
 564         off = 4 * locknum;
 565
 566         tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
 567
 568         /* Wait for up to 1 millisecond to acquire lock. */
 569         for (i = 0; i < 100; i++) {
 570                 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
 571                 if (status == APE_LOCK_GRANT_DRIVER)
 572                         break;
 573                 udelay(10);
 574         }
 575
 576         if (status != APE_LOCK_GRANT_DRIVER) {
 577                 /* Revoke the lock request. */
 578                 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
 579                                 APE_LOCK_GRANT_DRIVER);
 580
 581                 ret = -EBUSY;
 582         }
 583
 584         return ret;
 585 }
 586
 587 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
 588 {
 589         int off;
 590
 591         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
 592                 return;
 593
 594         switch (locknum) {
 595                 case TG3_APE_LOCK_GRC:
 596                 case TG3_APE_LOCK_MEM:
 597                         break;
 598                 default:
 599                         return;
 600         }
 601
 602         off = 4 * locknum;
 603         tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
 604 }
 605
 606 static void tg3_disable_ints(struct tg3 *tp)
 607 {
 608         tw32(TG3PCI_MISC_HOST_CTRL,
 609              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 610         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 611 }
 612
 613 static inline void tg3_cond_int(struct tg3 *tp)
 614 {
 615         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 616             (tp->hw_status->status & SD_STATUS_UPDATED))
 617                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 618         else
 619                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 620                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 621 }
 622
 623 static void tg3_enable_ints(struct tg3 *tp)
 624 {
 625         tp->irq_sync = 0;
 626         wmb();
 627
 628         tw32(TG3PCI_MISC_HOST_CTRL,
 629              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 630         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 631                        (tp->last_tag << 24));
 632         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 633                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 634                                (tp->last_tag << 24));
 635         tg3_cond_int(tp);
 636 }
 637
 638 static inline unsigned int tg3_has_work(struct tg3 *tp)
 639 {
 640         struct tg3_hw_status *sblk = tp->hw_status;
 641         unsigned int work_exists = 0;
 642
 643         /* check for phy events */
 644         if (!(tp->tg3_flags &
 645               (TG3_FLAG_USE_LINKCHG_REG |
 646                TG3_FLAG_POLL_SERDES))) {
 647                 if (sblk->status & SD_STATUS_LINK_CHG)
 648                         work_exists = 1;
 649         }
 650         /* check for RX/TX work to do */
 651         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 652             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 653                 work_exists = 1;
 654
 655         return work_exists;
 656 }
 657
 658 /* tg3_restart_ints
 659  *  similar to tg3_enable_ints, but it accurately determines whether there
 660  *  is new work pending and can return without flushing the PIO write
 661  *  which reenables interrupts
 662  */
 663 static void tg3_restart_ints(struct tg3 *tp)
 664 {
 665         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 666                      tp->last_tag << 24);
 667         mmiowb();
 668
 669         /* When doing tagged status, this work check is unnecessary.
 670          * The last_tag we write above tells the chip which piece of
 671          * work we've completed.
 672          */
 673         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 674             tg3_has_work(tp))
 675                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 676                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 677 }
 678
 679 static inline void tg3_netif_stop(struct tg3 *tp)
 680 {
 681         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 682         napi_disable(&tp->napi);
 683         netif_tx_disable(tp->dev);
 684 }
 685
 686 static inline void tg3_netif_start(struct tg3 *tp)
 687 {
 688         netif_wake_queue(tp->dev);
 689         /* NOTE: unconditional netif_wake_queue is only appropriate
 690          * so long as all callers are assured to have free tx slots
 691          * (such as after tg3_init_hw)
 692          */
 693         napi_enable(&tp->napi);
 694         tp->hw_status->status |= SD_STATUS_UPDATED;
 695         tg3_enable_ints(tp);
 696 }
 697
 698 static void tg3_switch_clocks(struct tg3 *tp)
 699 {
 700         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 701         u32 orig_clock_ctrl;
 702
 703         if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
 704             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
 705                 return;
 706
 707         orig_clock_ctrl = clock_ctrl;
 708         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 709                        CLOCK_CTRL_CLKRUN_OENABLE |
 710                        0x1f);
 711         tp->pci_clock_ctrl = clock_ctrl;
 712
 713         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 714                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 715                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 716                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 717                 }
 718         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 719                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 720                             clock_ctrl |
 721                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 722                             40);
 723                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 724                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 725                             40);
 726         }
 727         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 728 }
 729
 730 #define PHY_BUSY_LOOPS  5000
 731
 732 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 733 {
 734         u32 frame_val;
 735         unsigned int loops;
 736         int ret;
 737
 738         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 739                 tw32_f(MAC_MI_MODE,
 740                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 741                 udelay(80);
 742         }
 743
 744         *val = 0x0;
 745
 746         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 747                       MI_COM_PHY_ADDR_MASK);
 748         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 749                       MI_COM_REG_ADDR_MASK);
 750         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 751
 752         tw32_f(MAC_MI_COM, frame_val);
 753
 754         loops = PHY_BUSY_LOOPS;
 755         while (loops != 0) {
 756                 udelay(10);
 757                 frame_val = tr32(MAC_MI_COM);
 758
 759                 if ((frame_val & MI_COM_BUSY) == 0) {
 760                         udelay(5);
 761                         frame_val = tr32(MAC_MI_COM);
 762                         break;
 763                 }
 764                 loops -= 1;
 765         }
 766
 767         ret = -EBUSY;
 768         if (loops != 0) {
 769                 *val = frame_val & MI_COM_DATA_MASK;
 770                 ret = 0;
 771         }
 772
 773         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 774                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 775                 udelay(80);
 776         }
 777
 778         return ret;
 779 }
 780
 781 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 782 {
 783         u32 frame_val;
 784         unsigned int loops;
 785         int ret;
 786
 787         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 788             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 789                 return 0;
 790
 791         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 792                 tw32_f(MAC_MI_MODE,
 793                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 794                 udelay(80);
 795         }
 796
 797         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 798                       MI_COM_PHY_ADDR_MASK);
 799         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 800                       MI_COM_REG_ADDR_MASK);
 801         frame_val |= (val & MI_COM_DATA_MASK);
 802         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 803
 804         tw32_f(MAC_MI_COM, frame_val);
 805
 806         loops = PHY_BUSY_LOOPS;
 807         while (loops != 0) {
 808                 udelay(10);
 809                 frame_val = tr32(MAC_MI_COM);
 810                 if ((frame_val & MI_COM_BUSY) == 0) {
 811                         udelay(5);
 812                         frame_val = tr32(MAC_MI_COM);
 813                         break;
 814                 }
 815                 loops -= 1;
 816         }
 817
 818         ret = -EBUSY;
 819         if (loops != 0)
 820                 ret = 0;
 821
 822         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 823                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 824                 udelay(80);
 825         }
 826
 827         return ret;
 828 }
 829
 830 static int tg3_bmcr_reset(struct tg3 *tp)
 831 {
 832         u32 phy_control;
 833         int limit, err;
 834
 835         /* OK, reset it, and poll the BMCR_RESET bit until it
 836          * clears or we time out.
 837          */
 838         phy_control = BMCR_RESET;
 839         err = tg3_writephy(tp, MII_BMCR, phy_control);
 840         if (err != 0)
 841                 return -EBUSY;
 842
 843         limit = 5000;
 844         while (limit--) {
 845                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 846                 if (err != 0)
 847                         return -EBUSY;
 848
 849                 if ((phy_control & BMCR_RESET) == 0) {
 850                         udelay(40);
 851                         break;
 852                 }
 853                 udelay(10);
 854         }
 855         if (limit < 0)
 856                 return -EBUSY;
 857
 858         return 0;
 859 }
 860
 861 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
 862 {
 863         struct tg3 *tp = bp->priv;
 864         u32 val;
 865
 866         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
 867                 return -EAGAIN;
 868
 869         if (tg3_readphy(tp, reg, &val))
 870                 return -EIO;
 871
 872         return val;
 873 }
 874
 875 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
 876 {
 877         struct tg3 *tp = bp->priv;
 878
 879         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
 880                 return -EAGAIN;
 881
 882         if (tg3_writephy(tp, reg, val))
 883                 return -EIO;
 884
 885         return 0;
 886 }
 887
 888 static int tg3_mdio_reset(struct mii_bus *bp)
 889 {
 890         return 0;
 891 }
 892
 893 static void tg3_mdio_config_5785(struct tg3 *tp)
 894 {
 895         u32 val;
 896         struct phy_device *phydev;
 897
 898         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
 899         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
 900         case TG3_PHY_ID_BCM50610:
 901                 val = MAC_PHYCFG2_50610_LED_MODES;
 902                 break;
 903         case TG3_PHY_ID_BCMAC131:
 904                 val = MAC_PHYCFG2_AC131_LED_MODES;
 905                 break;
 906         case TG3_PHY_ID_RTL8211C:
 907                 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
 908                 break;
 909         case TG3_PHY_ID_RTL8201E:
 910                 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
 911                 break;
 912         default:
 913                 return;
 914         }
 915
 916         if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
 917                 tw32(MAC_PHYCFG2, val);
 918
 919                 val = tr32(MAC_PHYCFG1);
 920                 val &= ~MAC_PHYCFG1_RGMII_INT;
 921                 tw32(MAC_PHYCFG1, val);
 922
 923                 return;
 924         }
 925
 926         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
 927                 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
 928                        MAC_PHYCFG2_FMODE_MASK_MASK |
 929                        MAC_PHYCFG2_GMODE_MASK_MASK |
 930                        MAC_PHYCFG2_ACT_MASK_MASK   |
 931                        MAC_PHYCFG2_QUAL_MASK_MASK |
 932                        MAC_PHYCFG2_INBAND_ENABLE;
 933
 934         tw32(MAC_PHYCFG2, val);
 935
 936         val = tr32(MAC_PHYCFG1) & ~(MAC_PHYCFG1_RGMII_EXT_RX_DEC |
 937                                     MAC_PHYCFG1_RGMII_SND_STAT_EN);
 938         if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
 939                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
 940                         val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
 941                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
 942                         val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
 943         }
 944         tw32(MAC_PHYCFG1, val | MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV);
 945
 946         val = tr32(MAC_EXT_RGMII_MODE);
 947         val &= ~(MAC_RGMII_MODE_RX_INT_B |
 948                  MAC_RGMII_MODE_RX_QUALITY |
 949                  MAC_RGMII_MODE_RX_ACTIVITY |
 950                  MAC_RGMII_MODE_RX_ENG_DET |
 951                  MAC_RGMII_MODE_TX_ENABLE |
 952                  MAC_RGMII_MODE_TX_LOWPWR |
 953                  MAC_RGMII_MODE_TX_RESET);
 954         if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
 955                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
 956                         val |= MAC_RGMII_MODE_RX_INT_B |
 957                                MAC_RGMII_MODE_RX_QUALITY |
 958                                MAC_RGMII_MODE_RX_ACTIVITY |
 959                                MAC_RGMII_MODE_RX_ENG_DET;
 960                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
 961                         val |= MAC_RGMII_MODE_TX_ENABLE |
 962                                MAC_RGMII_MODE_TX_LOWPWR |
 963                                MAC_RGMII_MODE_TX_RESET;
 964         }
 965         tw32(MAC_EXT_RGMII_MODE, val);
 966 }
 967
 968 static void tg3_mdio_start(struct tg3 *tp)
 969 {
 970         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
 971                 mutex_lock(&tp->mdio_bus->mdio_lock);
 972                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
 973                 mutex_unlock(&tp->mdio_bus->mdio_lock);
 974         }
 975
 976         tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
 977         tw32_f(MAC_MI_MODE, tp->mi_mode);
 978         udelay(80);
 979
 980         if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
 981             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
 982                 tg3_mdio_config_5785(tp);
 983 }
 984
 985 static void tg3_mdio_stop(struct tg3 *tp)
 986 {
 987         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
 988                 mutex_lock(&tp->mdio_bus->mdio_lock);
 989                 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_PAUSED;
 990                 mutex_unlock(&tp->mdio_bus->mdio_lock);
 991         }
 992 }
 993
 994 static int tg3_mdio_init(struct tg3 *tp)
 995 {
 996         int i;
 997         u32 reg;
 998         struct phy_device *phydev;
 999
1000         tg3_mdio_start(tp);
1001
1002         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1003             (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1004                 return 0;
1005
1006         tp->mdio_bus = mdiobus_alloc();
1007         if (tp->mdio_bus == NULL)
1008                 return -ENOMEM;
1009
1010         tp->mdio_bus->name     = "tg3 mdio bus";
1011         snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1012                  (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1013         tp->mdio_bus->priv     = tp;
1014         tp->mdio_bus->parent   = &tp->pdev->dev;
1015         tp->mdio_bus->read     = &tg3_mdio_read;
1016         tp->mdio_bus->write    = &tg3_mdio_write;
1017         tp->mdio_bus->reset    = &tg3_mdio_reset;
1018         tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
1019         tp->mdio_bus->irq      = &tp->mdio_irq[0];
1020
1021         for (i = 0; i < PHY_MAX_ADDR; i++)
1022                 tp->mdio_bus->irq[i] = PHY_POLL;
1023
1024         /* The bus registration will look for all the PHYs on the mdio bus.
1025          * Unfortunately, it does not ensure the PHY is powered up before
1026          * accessing the PHY ID registers.  A chip reset is the
1027          * quickest way to bring the device back to an operational state..
1028          */
1029         if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1030                 tg3_bmcr_reset(tp);
1031
1032         i = mdiobus_register(tp->mdio_bus);
1033         if (i) {
1034                 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1035                         tp->dev->name, i);
1036                 mdiobus_free(tp->mdio_bus);
1037                 return i;
1038         }
1039
1040         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1041
1042         if (!phydev || !phydev->drv) {
1043                 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1044                 mdiobus_unregister(tp->mdio_bus);
1045                 mdiobus_free(tp->mdio_bus);
1046                 return -ENODEV;
1047         }
1048
1049         switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1050         case TG3_PHY_ID_BCM57780:
1051                 phydev->interface = PHY_INTERFACE_MODE_GMII;
1052                 break;
1053         case TG3_PHY_ID_BCM50610:
1054                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1055                         phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1056                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1057                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1058                 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1059                         phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1060                 /* fallthru */
1061         case TG3_PHY_ID_RTL8211C:
1062                 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1063                 break;
1064         case TG3_PHY_ID_RTL8201E:
1065         case TG3_PHY_ID_BCMAC131:
1066                 phydev->interface = PHY_INTERFACE_MODE_MII;
1067                 break;
1068         }
1069
1070         tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1071
1072         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1073                 tg3_mdio_config_5785(tp);
1074
1075         return 0;
1076 }
1077
1078 static void tg3_mdio_fini(struct tg3 *tp)
1079 {
1080         if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1081                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1082                 mdiobus_unregister(tp->mdio_bus);
1083                 mdiobus_free(tp->mdio_bus);
1084                 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
1085         }
1086 }
1087
1088 /* tp->lock is held. */
1089 static inline void tg3_generate_fw_event(struct tg3 *tp)
1090 {
1091         u32 val;
1092
1093         val = tr32(GRC_RX_CPU_EVENT);
1094         val |= GRC_RX_CPU_DRIVER_EVENT;
1095         tw32_f(GRC_RX_CPU_EVENT, val);
1096
1097         tp->last_event_jiffies = jiffies;
1098 }
1099
1100 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1101
1102 /* tp->lock is held. */
1103 static void tg3_wait_for_event_ack(struct tg3 *tp)
1104 {
1105         int i;
1106         unsigned int delay_cnt;
1107         long time_remain;
1108
1109         /* If enough time has passed, no wait is necessary. */
1110         time_remain = (long)(tp->last_event_jiffies + 1 +
1111                       usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1112                       (long)jiffies;
1113         if (time_remain < 0)
1114                 return;
1115
1116         /* Check if we can shorten the wait time. */
1117         delay_cnt = jiffies_to_usecs(time_remain);
1118         if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1119                 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1120         delay_cnt = (delay_cnt >> 3) + 1;
1121
1122         for (i = 0; i < delay_cnt; i++) {
1123                 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1124                         break;
1125                 udelay(8);
1126         }
1127 }
1128
1129 /* tp->lock is held. */
1130 static void tg3_ump_link_report(struct tg3 *tp)
1131 {
1132         u32 reg;
1133         u32 val;
1134
1135         if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1136             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
1137                 return;
1138
1139         tg3_wait_for_event_ack(tp);
1140
1141         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1142
1143         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1144
1145         val = 0;
1146         if (!tg3_readphy(tp, MII_BMCR, &reg))
1147                 val = reg << 16;
1148         if (!tg3_readphy(tp, MII_BMSR, &reg))
1149                 val |= (reg & 0xffff);
1150         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1151
1152         val = 0;
1153         if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1154                 val = reg << 16;
1155         if (!tg3_readphy(tp, MII_LPA, &reg))
1156                 val |= (reg & 0xffff);
1157         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1158
1159         val = 0;
1160         if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1161                 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1162                         val = reg << 16;
1163                 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1164                         val |= (reg & 0xffff);
1165         }
1166         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1167
1168         if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1169                 val = reg << 16;
1170         else
1171                 val = 0;
1172         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1173
1174         tg3_generate_fw_event(tp);
1175 }
1176
1177 static void tg3_link_report(struct tg3 *tp)
1178 {
1179         if (!netif_carrier_ok(tp->dev)) {
1180                 if (netif_msg_link(tp))
1181                         printk(KERN_INFO PFX "%s: Link is down.\n",
1182                                tp->dev->name);
1183                 tg3_ump_link_report(tp);
1184         } else if (netif_msg_link(tp)) {
1185                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1186                        tp->dev->name,
1187                        (tp->link_config.active_speed == SPEED_1000 ?
1188                         1000 :
1189                         (tp->link_config.active_speed == SPEED_100 ?
1190                          100 : 10)),
1191                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1192                         "full" : "half"));
1193
1194                 printk(KERN_INFO PFX
1195                        "%s: Flow control is %s for TX and %s for RX.\n",
1196                        tp->dev->name,
1197                        (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1198                        "on" : "off",
1199                        (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1200                        "on" : "off");
1201                 tg3_ump_link_report(tp);
1202         }
1203 }
1204
1205 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1206 {
1207         u16 miireg;
1208
1209         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1210                 miireg = ADVERTISE_PAUSE_CAP;
1211         else if (flow_ctrl & FLOW_CTRL_TX)
1212                 miireg = ADVERTISE_PAUSE_ASYM;
1213         else if (flow_ctrl & FLOW_CTRL_RX)
1214                 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1215         else
1216                 miireg = 0;
1217
1218         return miireg;
1219 }
1220
1221 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1222 {
1223         u16 miireg;
1224
1225         if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1226                 miireg = ADVERTISE_1000XPAUSE;
1227         else if (flow_ctrl & FLOW_CTRL_TX)
1228                 miireg = ADVERTISE_1000XPSE_ASYM;
1229         else if (flow_ctrl & FLOW_CTRL_RX)
1230                 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1231         else
1232                 miireg = 0;
1233
1234         return miireg;
1235 }
1236
1237 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1238 {
1239         u8 cap = 0;
1240
1241         if (lcladv & ADVERTISE_1000XPAUSE) {
1242                 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1243                         if (rmtadv & LPA_1000XPAUSE)
1244                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1245                         else if (rmtadv & LPA_1000XPAUSE_ASYM)
1246                                 cap = FLOW_CTRL_RX;
1247                 } else {
1248                         if (rmtadv & LPA_1000XPAUSE)
1249                                 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1250                 }
1251         } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1252                 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1253                         cap = FLOW_CTRL_TX;
1254         }
1255
1256         return cap;
1257 }
1258
1259 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1260 {
1261         u8 autoneg;
1262         u8 flowctrl = 0;
1263         u32 old_rx_mode = tp->rx_mode;
1264         u32 old_tx_mode = tp->tx_mode;
1265
1266         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1267                 autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
1268         else
1269                 autoneg = tp->link_config.autoneg;
1270
1271         if (autoneg == AUTONEG_ENABLE &&
1272             (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1273                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1274                         flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1275                 else
1276                         flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1277         } else
1278                 flowctrl = tp->link_config.flowctrl;
1279
1280         tp->link_config.active_flowctrl = flowctrl;
1281
1282         if (flowctrl & FLOW_CTRL_RX)
1283                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1284         else
1285                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1286
1287         if (old_rx_mode != tp->rx_mode)
1288                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1289
1290         if (flowctrl & FLOW_CTRL_TX)
1291                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1292         else
1293                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1294
1295         if (old_tx_mode != tp->tx_mode)
1296                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1297 }
1298
1299 static void tg3_adjust_link(struct net_device *dev)
1300 {
1301         u8 oldflowctrl, linkmesg = 0;
1302         u32 mac_mode, lcl_adv, rmt_adv;
1303         struct tg3 *tp = netdev_priv(dev);
1304         struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1305
1306         spin_lock(&tp->lock);
1307
1308         mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1309                                     MAC_MODE_HALF_DUPLEX);
1310
1311         oldflowctrl = tp->link_config.active_flowctrl;
1312
1313         if (phydev->link) {
1314                 lcl_adv = 0;
1315                 rmt_adv = 0;
1316
1317                 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1318                         mac_mode |= MAC_MODE_PORT_MODE_MII;
1319                 else
1320                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
1321
1322                 if (phydev->duplex == DUPLEX_HALF)
1323                         mac_mode |= MAC_MODE_HALF_DUPLEX;
1324                 else {
1325                         lcl_adv = tg3_advert_flowctrl_1000T(
1326                                   tp->link_config.flowctrl);
1327
1328                         if (phydev->pause)
1329                                 rmt_adv = LPA_PAUSE_CAP;
1330                         if (phydev->asym_pause)
1331                                 rmt_adv |= LPA_PAUSE_ASYM;
1332                 }
1333
1334                 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1335         } else
1336                 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1337
1338         if (mac_mode != tp->mac_mode) {
1339                 tp->mac_mode = mac_mode;
1340                 tw32_f(MAC_MODE, tp->mac_mode);
1341                 udelay(40);
1342         }
1343
1344         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1345                 if (phydev->speed == SPEED_10)
1346                         tw32(MAC_MI_STAT,
1347                              MAC_MI_STAT_10MBPS_MODE |
1348                              MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1349                 else
1350                         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1351         }
1352
1353         if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1354                 tw32(MAC_TX_LENGTHS,
1355                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1356                       (6 << TX_LENGTHS_IPG_SHIFT) |
1357                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1358         else
1359                 tw32(MAC_TX_LENGTHS,
1360                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1361                       (6 << TX_LENGTHS_IPG_SHIFT) |
1362                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1363
1364         if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1365             (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1366             phydev->speed != tp->link_config.active_speed ||
1367             phydev->duplex != tp->link_config.active_duplex ||
1368             oldflowctrl != tp->link_config.active_flowctrl)
1369             linkmesg = 1;
1370
1371         tp->link_config.active_speed = phydev->speed;
1372         tp->link_config.active_duplex = phydev->duplex;
1373
1374         spin_unlock(&tp->lock);
1375
1376         if (linkmesg)
1377                 tg3_link_report(tp);
1378 }
1379
1380 static int tg3_phy_init(struct tg3 *tp)
1381 {
1382         struct phy_device *phydev;
1383
1384         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1385                 return 0;
1386
1387         /* Bring the PHY back to a known state. */
1388         tg3_bmcr_reset(tp);
1389
1390         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1391
1392         /* Attach the MAC to the PHY. */
1393         phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1394                              phydev->dev_flags, phydev->interface);
1395         if (IS_ERR(phydev)) {
1396                 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1397                 return PTR_ERR(phydev);
1398         }
1399
1400         /* Mask with MAC supported features. */
1401         switch (phydev->interface) {
1402         case PHY_INTERFACE_MODE_GMII:
1403         case PHY_INTERFACE_MODE_RGMII:
1404                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1405                         phydev->supported &= (PHY_GBIT_FEATURES |
1406                                               SUPPORTED_Pause |
1407                                               SUPPORTED_Asym_Pause);
1408                         break;
1409                 }
1410                 /* fallthru */
1411         case PHY_INTERFACE_MODE_MII:
1412                 phydev->supported &= (PHY_BASIC_FEATURES |
1413                                       SUPPORTED_Pause |
1414                                       SUPPORTED_Asym_Pause);
1415                 break;
1416         default:
1417                 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1418                 return -EINVAL;
1419         }
1420
1421         tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1422
1423         phydev->advertising = phydev->supported;
1424
1425         return 0;
1426 }
1427
1428 static void tg3_phy_start(struct tg3 *tp)
1429 {
1430         struct phy_device *phydev;
1431
1432         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1433                 return;
1434
1435         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1436
1437         if (tp->link_config.phy_is_low_power) {
1438                 tp->link_config.phy_is_low_power = 0;
1439                 phydev->speed = tp->link_config.orig_speed;
1440                 phydev->duplex = tp->link_config.orig_duplex;
1441                 phydev->autoneg = tp->link_config.orig_autoneg;
1442                 phydev->advertising = tp->link_config.orig_advertising;
1443         }
1444
1445         phy_start(phydev);
1446
1447         phy_start_aneg(phydev);
1448 }
1449
1450 static void tg3_phy_stop(struct tg3 *tp)
1451 {
1452         if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1453                 return;
1454
1455         phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
1456 }
1457
1458 static void tg3_phy_fini(struct tg3 *tp)
1459 {
1460         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1461                 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1462                 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1463         }
1464 }
1465
1466 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1467 {
1468         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1469         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1470 }
1471
1472 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1473 {
1474         u32 reg;
1475
1476         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1477             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1478                 return;
1479
1480         reg = MII_TG3_MISC_SHDW_WREN |
1481               MII_TG3_MISC_SHDW_SCR5_SEL |
1482               MII_TG3_MISC_SHDW_SCR5_LPED |
1483               MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1484               MII_TG3_MISC_SHDW_SCR5_SDTL |
1485               MII_TG3_MISC_SHDW_SCR5_C125OE;
1486         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1487                 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1488
1489         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1490
1491
1492         reg = MII_TG3_MISC_SHDW_WREN |
1493               MII_TG3_MISC_SHDW_APD_SEL |
1494               MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1495         if (enable)
1496                 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1497
1498         tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1499 }
1500
1501 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1502 {
1503         u32 phy;
1504
1505         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1506             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1507                 return;
1508
1509         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1510                 u32 ephy;
1511
1512                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
1513                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1514                                      ephy | MII_TG3_EPHY_SHADOW_EN);
1515                         if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
1516                                 if (enable)
1517                                         phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
1518                                 else
1519                                         phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
1520                                 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
1521                         }
1522                         tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
1523                 }
1524         } else {
1525                 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1526                       MII_TG3_AUXCTL_SHDWSEL_MISC;
1527                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1528                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1529                         if (enable)
1530                                 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1531                         else
1532                                 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1533                         phy |= MII_TG3_AUXCTL_MISC_WREN;
1534                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1535                 }
1536         }
1537 }
1538
1539 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1540 {
1541         u32 val;
1542
1543         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1544                 return;
1545
1546         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1547             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1548                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1549                              (val | (1 << 15) | (1 << 4)));
1550 }
1551
1552 static void tg3_phy_apply_otp(struct tg3 *tp)
1553 {
1554         u32 otp, phy;
1555
1556         if (!tp->phy_otp)
1557                 return;
1558
1559         otp = tp->phy_otp;
1560
1561         /* Enable SM_DSP clock and tx 6dB coding. */
1562         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1563               MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1564               MII_TG3_AUXCTL_ACTL_TX_6DB;
1565         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1566
1567         phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1568         phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1569         tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1570
1571         phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1572               ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1573         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1574
1575         phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1576         phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1577         tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1578
1579         phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1580         tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1581
1582         phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1583         tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1584
1585         phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1586               ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1587         tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1588
1589         /* Turn off SM_DSP clock. */
1590         phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1591               MII_TG3_AUXCTL_ACTL_TX_6DB;
1592         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1593 }
1594
1595 static int tg3_wait_macro_done(struct tg3 *tp)
1596 {
1597         int limit = 100;
1598
1599         while (limit--) {
1600                 u32 tmp32;
1601
1602                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1603                         if ((tmp32 & 0x1000) == 0)
1604                                 break;
1605                 }
1606         }
1607         if (limit < 0)
1608                 return -EBUSY;
1609
1610         return 0;
1611 }
1612
1613 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1614 {
1615         static const u32 test_pat[4][6] = {
1616         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1617         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1618         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1619         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1620         };
1621         int chan;
1622
1623         for (chan = 0; chan < 4; chan++) {
1624                 int i;
1625
1626                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1627                              (chan * 0x2000) | 0x0200);
1628                 tg3_writephy(tp, 0x16, 0x0002);
1629
1630                 for (i = 0; i < 6; i++)
1631                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1632                                      test_pat[chan][i]);
1633
1634                 tg3_writephy(tp, 0x16, 0x0202);
1635                 if (tg3_wait_macro_done(tp)) {
1636                         *resetp = 1;
1637                         return -EBUSY;
1638                 }
1639
1640                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1641                              (chan * 0x2000) | 0x0200);
1642                 tg3_writephy(tp, 0x16, 0x0082);
1643                 if (tg3_wait_macro_done(tp)) {
1644                         *resetp = 1;
1645                         return -EBUSY;
1646                 }
1647
1648                 tg3_writephy(tp, 0x16, 0x0802);
1649                 if (tg3_wait_macro_done(tp)) {
1650                         *resetp = 1;
1651                         return -EBUSY;
1652                 }
1653
1654                 for (i = 0; i < 6; i += 2) {
1655                         u32 low, high;
1656
1657                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1658                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1659                             tg3_wait_macro_done(tp)) {
1660                                 *resetp = 1;
1661                                 return -EBUSY;
1662                         }
1663                         low &= 0x7fff;
1664                         high &= 0x000f;
1665                         if (low != test_pat[chan][i] ||
1666                             high != test_pat[chan][i+1]) {
1667                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1668                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1669                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1670
1671                                 return -EBUSY;
1672                         }
1673                 }
1674         }
1675
1676         return 0;
1677 }
1678
1679 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1680 {
1681         int chan;
1682
1683         for (chan = 0; chan < 4; chan++) {
1684                 int i;
1685
1686                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1687                              (chan * 0x2000) | 0x0200);
1688                 tg3_writephy(tp, 0x16, 0x0002);
1689                 for (i = 0; i < 6; i++)
1690                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1691                 tg3_writephy(tp, 0x16, 0x0202);
1692                 if (tg3_wait_macro_done(tp))
1693                         return -EBUSY;
1694         }
1695
1696         return 0;
1697 }
1698
1699 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1700 {
1701         u32 reg32, phy9_orig;
1702         int retries, do_phy_reset, err;
1703
1704         retries = 10;
1705         do_phy_reset = 1;
1706         do {
1707                 if (do_phy_reset) {
1708                         err = tg3_bmcr_reset(tp);
1709                         if (err)
1710                                 return err;
1711                         do_phy_reset = 0;
1712                 }
1713
1714                 /* Disable transmitter and interrupt.  */
1715                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
1716                         continue;
1717
1718                 reg32 |= 0x3000;
1719                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1720
1721                 /* Set full-duplex, 1000 mbps.  */
1722                 tg3_writephy(tp, MII_BMCR,
1723                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1724
1725                 /* Set to master mode.  */
1726                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1727                         continue;
1728
1729                 tg3_writephy(tp, MII_TG3_CTRL,
1730                              (MII_TG3_CTRL_AS_MASTER |
1731                               MII_TG3_CTRL_ENABLE_AS_MASTER));
1732
1733                 /* Enable SM_DSP_CLOCK and 6dB.  */
1734                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1735
1736                 /* Block the PHY control access.  */
1737                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1738                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1739
1740                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1741                 if (!err)
1742                         break;
1743         } while (--retries);
1744
1745         err = tg3_phy_reset_chanpat(tp);
1746         if (err)
1747                 return err;
1748
1749         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1750         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1751
1752         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1753         tg3_writephy(tp, 0x16, 0x0000);
1754
1755         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1756             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1757                 /* Set Extended packet length bit for jumbo frames */
1758                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1759         }
1760         else {
1761                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1762         }
1763
1764         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1765
1766         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
1767                 reg32 &= ~0x3000;
1768                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1769         } else if (!err)
1770                 err = -EBUSY;
1771
1772         return err;
1773 }
1774
1775 /* This will reset the tigon3 PHY if there is no valid
1776  * link unless the FORCE argument is non-zero.
1777  */
1778 static int tg3_phy_reset(struct tg3 *tp)
1779 {
1780         u32 cpmuctrl;
1781         u32 phy_status;
1782         int err;
1783
1784         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1785                 u32 val;
1786
1787                 val = tr32(GRC_MISC_CFG);
1788                 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1789                 udelay(40);
1790         }
1791         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
1792         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1793         if (err != 0)
1794                 return -EBUSY;
1795
1796         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1797                 netif_carrier_off(tp->dev);
1798                 tg3_link_report(tp);
1799         }
1800
1801         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1802             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1803             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1804                 err = tg3_phy_reset_5703_4_5(tp);
1805                 if (err)
1806                         return err;
1807                 goto out;
1808         }
1809
1810         cpmuctrl = 0;
1811         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1812             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1813                 cpmuctrl = tr32(TG3_CPMU_CTRL);
1814                 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1815                         tw32(TG3_CPMU_CTRL,
1816                              cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1817         }
1818
1819         err = tg3_bmcr_reset(tp);
1820         if (err)
1821                 return err;
1822
1823         if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1824                 u32 phy;
1825
1826                 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1827                 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1828
1829                 tw32(TG3_CPMU_CTRL, cpmuctrl);
1830         }
1831
1832         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1833             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1834                 u32 val;
1835
1836                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1837                 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1838                     CPMU_LSPD_1000MB_MACCLK_12_5) {
1839                         val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1840                         udelay(40);
1841                         tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1842                 }
1843         }
1844
1845         tg3_phy_apply_otp(tp);
1846
1847         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1848                 tg3_phy_toggle_apd(tp, true);
1849         else
1850                 tg3_phy_toggle_apd(tp, false);
1851
1852 out:
1853         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1854                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1855                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1856                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1857                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1858                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1859                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1860         }
1861         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1862                 tg3_writephy(tp, 0x1c, 0x8d68);
1863                 tg3_writephy(tp, 0x1c, 0x8d68);
1864         }
1865         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1866                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1867                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1868                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1869                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1870                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1871                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1872                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1873                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1874         }
1875         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1876                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1877                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1878                 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1879                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1880                         tg3_writephy(tp, MII_TG3_TEST1,
1881                                      MII_TG3_TEST1_TRIM_EN | 0x4);
1882                 } else
1883                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1884                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1885         }
1886         /* Set Extended packet length bit (bit 14) on all chips that */
1887         /* support jumbo frames */
1888         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1889                 /* Cannot do read-modify-write on 5401 */
1890                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1891         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1892                 u32 phy_reg;
1893
1894                 /* Set bit 14 with read-modify-write to preserve other bits */
1895                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1896                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1897                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1898         }
1899
1900         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1901          * jumbo frames transmission.
1902          */
1903         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1904                 u32 phy_reg;
1905
1906                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1907                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1908                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1909         }
1910
1911         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1912                 /* adjust output voltage */
1913                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1914         }
1915
1916         tg3_phy_toggle_automdix(tp, 1);
1917         tg3_phy_set_wirespeed(tp);
1918         return 0;
1919 }
1920
1921 static void tg3_frob_aux_power(struct tg3 *tp)
1922 {
1923         struct tg3 *tp_peer = tp;
1924
1925         if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1926                 return;
1927
1928         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1929             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1930                 struct net_device *dev_peer;
1931
1932                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1933                 /* remove_one() may have been run on the peer. */
1934                 if (!dev_peer)
1935                         tp_peer = tp;
1936                 else
1937                         tp_peer = netdev_priv(dev_peer);
1938         }
1939
1940         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1941             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1942             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1943             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1944                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1945                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1946                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1947                                     (GRC_LCLCTRL_GPIO_OE0 |
1948                                      GRC_LCLCTRL_GPIO_OE1 |
1949                                      GRC_LCLCTRL_GPIO_OE2 |
1950                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1951                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1952                                     100);
1953                 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) {
1954                         /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
1955                         u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
1956                                              GRC_LCLCTRL_GPIO_OE1 |
1957                                              GRC_LCLCTRL_GPIO_OE2 |
1958                                              GRC_LCLCTRL_GPIO_OUTPUT0 |
1959                                              GRC_LCLCTRL_GPIO_OUTPUT1 |
1960                                              tp->grc_local_ctrl;
1961                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1962
1963                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
1964                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1965
1966                         grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
1967                         tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1968                 } else {
1969                         u32 no_gpio2;
1970                         u32 grc_local_ctrl = 0;
1971
1972                         if (tp_peer != tp &&
1973                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1974                                 return;
1975
1976                         /* Workaround to prevent overdrawing Amps. */
1977                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1978                             ASIC_REV_5714) {
1979                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1980                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1981                                             grc_local_ctrl, 100);
1982                         }
1983
1984                         /* On 5753 and variants, GPIO2 cannot be used. */
1985                         no_gpio2 = tp->nic_sram_data_cfg &
1986                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1987
1988                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1989                                          GRC_LCLCTRL_GPIO_OE1 |
1990                                          GRC_LCLCTRL_GPIO_OE2 |
1991                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1992                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1993                         if (no_gpio2) {
1994                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1995                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1996                         }
1997                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1998                                                     grc_local_ctrl, 100);
1999
2000                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2001
2002                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2003                                                     grc_local_ctrl, 100);
2004
2005                         if (!no_gpio2) {
2006                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2007                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2008                                             grc_local_ctrl, 100);
2009                         }
2010                 }
2011         } else {
2012                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2013                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2014                         if (tp_peer != tp &&
2015                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2016                                 return;
2017
2018                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2019                                     (GRC_LCLCTRL_GPIO_OE1 |
2020                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2021
2022                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2023                                     GRC_LCLCTRL_GPIO_OE1, 100);
2024
2025                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2026                                     (GRC_LCLCTRL_GPIO_OE1 |
2027                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2028                 }
2029         }
2030 }
2031
2032 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2033 {
2034         if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2035                 return 1;
2036         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2037                 if (speed != SPEED_10)
2038                         return 1;
2039         } else if (speed == SPEED_10)
2040                 return 1;
2041
2042         return 0;
2043 }
2044
2045 static int tg3_setup_phy(struct tg3 *, int);
2046
2047 #define RESET_KIND_SHUTDOWN     0
2048 #define RESET_KIND_INIT         1
2049 #define RESET_KIND_SUSPEND      2
2050
2051 static void tg3_write_sig_post_reset(struct tg3 *, int);
2052 static int tg3_halt_cpu(struct tg3 *, u32);
2053
2054 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2055 {
2056         u32 val;
2057
2058         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2059                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2060                         u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2061                         u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2062
2063                         sg_dig_ctrl |=
2064                                 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2065                         tw32(SG_DIG_CTRL, sg_dig_ctrl);
2066                         tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2067                 }
2068                 return;
2069         }
2070
2071         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2072                 tg3_bmcr_reset(tp);
2073                 val = tr32(GRC_MISC_CFG);
2074                 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2075                 udelay(40);
2076                 return;
2077         } else if (do_low_power) {
2078                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2079                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2080
2081                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2082                              MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2083                              MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2084                              MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2085                              MII_TG3_AUXCTL_PCTL_VREG_11V);
2086         }
2087
2088         /* The PHY should not be powered down on some chips because
2089          * of bugs.
2090          */
2091         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2092             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2093             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2094              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2095                 return;
2096
2097         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2098             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2099                 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2100                 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2101                 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2102                 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2103         }
2104
2105         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2106 }
2107
2108 /* tp->lock is held. */
2109 static int tg3_nvram_lock(struct tg3 *tp)
2110 {
2111         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2112                 int i;
2113
2114                 if (tp->nvram_lock_cnt == 0) {
2115                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2116                         for (i = 0; i < 8000; i++) {
2117                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2118                                         break;
2119                                 udelay(20);
2120                         }
2121                         if (i == 8000) {
2122                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2123                                 return -ENODEV;
2124                         }
2125                 }
2126                 tp->nvram_lock_cnt++;
2127         }
2128         return 0;
2129 }
2130
2131 /* tp->lock is held. */
2132 static void tg3_nvram_unlock(struct tg3 *tp)
2133 {
2134         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2135                 if (tp->nvram_lock_cnt > 0)
2136                         tp->nvram_lock_cnt--;
2137                 if (tp->nvram_lock_cnt == 0)
2138                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2139         }
2140 }
2141
2142 /* tp->lock is held. */
2143 static void tg3_enable_nvram_access(struct tg3 *tp)
2144 {
2145         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2146             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2147                 u32 nvaccess = tr32(NVRAM_ACCESS);
2148
2149                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2150         }
2151 }
2152
2153 /* tp->lock is held. */
2154 static void tg3_disable_nvram_access(struct tg3 *tp)
2155 {
2156         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2157             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2158                 u32 nvaccess = tr32(NVRAM_ACCESS);
2159
2160                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2161         }
2162 }
2163
2164 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2165                                         u32 offset, u32 *val)
2166 {
2167         u32 tmp;
2168         int i;
2169
2170         if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2171                 return -EINVAL;
2172
2173         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2174                                         EEPROM_ADDR_DEVID_MASK |
2175                                         EEPROM_ADDR_READ);
2176         tw32(GRC_EEPROM_ADDR,
2177              tmp |
2178              (0 << EEPROM_ADDR_DEVID_SHIFT) |
2179              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2180               EEPROM_ADDR_ADDR_MASK) |
2181              EEPROM_ADDR_READ | EEPROM_ADDR_START);
2182
2183         for (i = 0; i < 1000; i++) {
2184                 tmp = tr32(GRC_EEPROM_ADDR);
2185
2186                 if (tmp & EEPROM_ADDR_COMPLETE)
2187                         break;
2188                 msleep(1);
2189         }
2190         if (!(tmp & EEPROM_ADDR_COMPLETE))
2191                 return -EBUSY;
2192
2193         *val = tr32(GRC_EEPROM_DATA);
2194         return 0;
2195 }
2196
2197 #define NVRAM_CMD_TIMEOUT 10000
2198
2199 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2200 {
2201         int i;
2202
2203         tw32(NVRAM_CMD, nvram_cmd);
2204         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2205                 udelay(10);
2206                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2207                         udelay(10);
2208                         break;
2209                 }
2210         }
2211
2212         if (i == NVRAM_CMD_TIMEOUT)
2213                 return -EBUSY;
2214
2215         return 0;
2216 }
2217
2218 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2219 {
2220         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2221             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2222             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2223            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2224             (tp->nvram_jedecnum == JEDEC_ATMEL))
2225
2226                 addr = ((addr / tp->nvram_pagesize) <<
2227                         ATMEL_AT45DB0X1B_PAGE_POS) +
2228                        (addr % tp->nvram_pagesize);
2229
2230         return addr;
2231 }
2232
2233 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2234 {
2235         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2236             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2237             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2238            !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2239             (tp->nvram_jedecnum == JEDEC_ATMEL))
2240
2241                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2242                         tp->nvram_pagesize) +
2243                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2244
2245         return addr;
2246 }
2247
2248 /* NOTE: Data read in from NVRAM is byteswapped according to
2249  * the byteswapping settings for all other register accesses.
2250  * tg3 devices are BE devices, so on a BE machine, the data
2251  * returned will be exactly as it is seen in NVRAM.  On a LE
2252  * machine, the 32-bit value will be byteswapped.
2253  */
2254 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2255 {
2256         int ret;
2257
2258         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2259                 return tg3_nvram_read_using_eeprom(tp, offset, val);
2260
2261         offset = tg3_nvram_phys_addr(tp, offset);
2262
2263         if (offset > NVRAM_ADDR_MSK)
2264                 return -EINVAL;
2265
2266         ret = tg3_nvram_lock(tp);
2267         if (ret)
2268                 return ret;
2269
2270         tg3_enable_nvram_access(tp);
2271
2272         tw32(NVRAM_ADDR, offset);
2273         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2274                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2275
2276         if (ret == 0)
2277                 *val = tr32(NVRAM_RDDATA);
2278
2279         tg3_disable_nvram_access(tp);
2280
2281         tg3_nvram_unlock(tp);
2282
2283         return ret;
2284 }
2285
2286 /* Ensures NVRAM data is in bytestream format. */
2287 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2288 {
2289         u32 v;
2290         int res = tg3_nvram_read(tp, offset, &v);
2291         if (!res)
2292                 *val = cpu_to_be32(v);
2293         return res;
2294 }
2295
2296 /* tp->lock is held. */
2297 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2298 {
2299         u32 addr_high, addr_low;
2300         int i;
2301
2302         addr_high = ((tp->dev->dev_addr[0] << 8) |
2303                      tp->dev->dev_addr[1]);
2304         addr_low = ((tp->dev->dev_addr[2] << 24) |
2305                     (tp->dev->dev_addr[3] << 16) |
2306                     (tp->dev->dev_addr[4] <<  8) |
2307                     (tp->dev->dev_addr[5] <<  0));
2308         for (i = 0; i < 4; i++) {
2309                 if (i == 1 && skip_mac_1)
2310                         continue;
2311                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2312                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2313         }
2314
2315         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2316             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2317                 for (i = 0; i < 12; i++) {
2318                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2319                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2320                 }
2321         }
2322
2323         addr_high = (tp->dev->dev_addr[0] +
2324                      tp->dev->dev_addr[1] +
2325                      tp->dev->dev_addr[2] +
2326                      tp->dev->dev_addr[3] +
2327                      tp->dev->dev_addr[4] +
2328                      tp->dev->dev_addr[5]) &
2329                 TX_BACKOFF_SEED_MASK;
2330         tw32(MAC_TX_BACKOFF_SEED, addr_high);
2331 }
2332
2333 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2334 {
2335         u32 misc_host_ctrl;
2336         bool device_should_wake, do_low_power;
2337
2338         /* Make sure register accesses (indirect or otherwise)
2339          * will function correctly.
2340          */
2341         pci_write_config_dword(tp->pdev,
2342                                TG3PCI_MISC_HOST_CTRL,
2343                                tp->misc_host_ctrl);
2344
2345         switch (state) {
2346         case PCI_D0:
2347                 pci_enable_wake(tp->pdev, state, false);
2348                 pci_set_power_state(tp->pdev, PCI_D0);
2349
2350                 /* Switch out of Vaux if it is a NIC */
2351                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2352                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2353
2354                 return 0;
2355
2356         case PCI_D1:
2357         case PCI_D2:
2358         case PCI_D3hot:
2359                 break;
2360
2361         default:
2362                 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2363                         tp->dev->name, state);
2364                 return -EINVAL;
2365         }
2366
2367         /* Restore the CLKREQ setting. */
2368         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2369                 u16 lnkctl;
2370
2371                 pci_read_config_word(tp->pdev,
2372                                      tp->pcie_cap + PCI_EXP_LNKCTL,
2373                                      &lnkctl);
2374                 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2375                 pci_write_config_word(tp->pdev,
2376                                       tp->pcie_cap + PCI_EXP_LNKCTL,
2377                                       lnkctl);
2378         }
2379
2380         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2381         tw32(TG3PCI_MISC_HOST_CTRL,
2382              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2383
2384         device_should_wake = pci_pme_capable(tp->pdev, state) &&
2385                              device_may_wakeup(&tp->pdev->dev) &&
2386                              (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2387
2388         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2389                 do_low_power = false;
2390                 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2391                     !tp->link_config.phy_is_low_power) {
2392                         struct phy_device *phydev;
2393                         u32 phyid, advertising;
2394
2395                         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
2396
2397                         tp->link_config.phy_is_low_power = 1;
2398
2399                         tp->link_config.orig_speed = phydev->speed;
2400                         tp->link_config.orig_duplex = phydev->duplex;
2401                         tp->link_config.orig_autoneg = phydev->autoneg;
2402                         tp->link_config.orig_advertising = phydev->advertising;
2403
2404                         advertising = ADVERTISED_TP |
2405                                       ADVERTISED_Pause |
2406                                       ADVERTISED_Autoneg |
2407                                       ADVERTISED_10baseT_Half;
2408
2409                         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2410                             device_should_wake) {
2411                                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2412                                         advertising |=
2413                                                 ADVERTISED_100baseT_Half |
2414                                                 ADVERTISED_100baseT_Full |
2415                                                 ADVERTISED_10baseT_Full;
2416                                 else
2417                                         advertising |= ADVERTISED_10baseT_Full;
2418                         }
2419
2420                         phydev->advertising = advertising;
2421
2422                         phy_start_aneg(phydev);
2423
2424                         phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2425                         if (phyid != TG3_PHY_ID_BCMAC131) {
2426                                 phyid &= TG3_PHY_OUI_MASK;
2427                                 if (phyid == TG3_PHY_OUI_1 ||
2428                                     phyid == TG3_PHY_OUI_2 ||
2429                                     phyid == TG3_PHY_OUI_3)
2430                                         do_low_power = true;
2431                         }
2432                 }
2433         } else {
2434                 do_low_power = true;
2435
2436                 if (tp->link_config.phy_is_low_power == 0) {
2437                         tp->link_config.phy_is_low_power = 1;
2438                         tp->link_config.orig_speed = tp->link_config.speed;
2439                         tp->link_config.orig_duplex = tp->link_config.duplex;
2440                         tp->link_config.orig_autoneg = tp->link_config.autoneg;
2441                 }
2442
2443                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2444                         tp->link_config.speed = SPEED_10;
2445                         tp->link_config.duplex = DUPLEX_HALF;
2446                         tp->link_config.autoneg = AUTONEG_ENABLE;
2447                         tg3_setup_phy(tp, 0);
2448                 }
2449         }
2450
2451         __tg3_set_mac_addr(tp, 0);
2452
2453         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2454                 u32 val;
2455
2456                 val = tr32(GRC_VCPU_EXT_CTRL);
2457                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2458         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2459                 int i;
2460                 u32 val;
2461
2462                 for (i = 0; i < 200; i++) {
2463                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2464                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2465                                 break;
2466                         msleep(1);
2467                 }
2468         }
2469         if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2470                 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2471                                                      WOL_DRV_STATE_SHUTDOWN |
2472                                                      WOL_DRV_WOL |
2473                                                      WOL_SET_MAGIC_PKT);
2474
2475         if (device_should_wake) {
2476                 u32 mac_mode;
2477
2478                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2479                         if (do_low_power) {
2480                                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2481                                 udelay(40);
2482                         }
2483
2484                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2485                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
2486                         else
2487                                 mac_mode = MAC_MODE_PORT_MODE_MII;
2488
2489                         mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2490                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2491                             ASIC_REV_5700) {
2492                                 u32 speed = (tp->tg3_flags &
2493                                              TG3_FLAG_WOL_SPEED_100MB) ?
2494                                              SPEED_100 : SPEED_10;
2495                                 if (tg3_5700_link_polarity(tp, speed))
2496                                         mac_mode |= MAC_MODE_LINK_POLARITY;
2497                                 else
2498                                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
2499                         }
2500                 } else {
2501                         mac_mode = MAC_MODE_PORT_MODE_TBI;
2502                 }
2503
2504                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2505                         tw32(MAC_LED_CTRL, tp->led_ctrl);
2506
2507                 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2508                 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2509                     !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2510                     ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2511                      (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2512                         mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2513
2514                 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2515                         mac_mode |= tp->mac_mode &
2516                                     (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2517                         if (mac_mode & MAC_MODE_APE_TX_EN)
2518                                 mac_mode |= MAC_MODE_TDE_ENABLE;
2519                 }
2520
2521                 tw32_f(MAC_MODE, mac_mode);
2522                 udelay(100);
2523
2524                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2525                 udelay(10);
2526         }
2527
2528         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2529             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2530              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2531                 u32 base_val;
2532
2533                 base_val = tp->pci_clock_ctrl;
2534                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2535                              CLOCK_CTRL_TXCLK_DISABLE);
2536
2537                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2538                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
2539         } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2540                    (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2541                    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2542                 /* do nothing */
2543         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2544                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2545                 u32 newbits1, newbits2;
2546
2547                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2548                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2549                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2550                                     CLOCK_CTRL_TXCLK_DISABLE |
2551                                     CLOCK_CTRL_ALTCLK);
2552                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2553                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2554                         newbits1 = CLOCK_CTRL_625_CORE;
2555                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2556                 } else {
2557                         newbits1 = CLOCK_CTRL_ALTCLK;
2558                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2559                 }
2560
2561                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2562                             40);
2563
2564                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2565                             40);
2566
2567                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2568                         u32 newbits3;
2569
2570                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2571                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2572                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2573                                             CLOCK_CTRL_TXCLK_DISABLE |
2574                                             CLOCK_CTRL_44MHZ_CORE);
2575                         } else {
2576                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2577                         }
2578
2579                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
2580                                     tp->pci_clock_ctrl | newbits3, 40);
2581                 }
2582         }
2583
2584         if (!(device_should_wake) &&
2585             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2586                 tg3_power_down_phy(tp, do_low_power);
2587
2588         tg3_frob_aux_power(tp);
2589
2590         /* Workaround for unstable PLL clock */
2591         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2592             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2593                 u32 val = tr32(0x7d00);
2594
2595                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2596                 tw32(0x7d00, val);
2597                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2598                         int err;
2599
2600                         err = tg3_nvram_lock(tp);
2601                         tg3_halt_cpu(tp, RX_CPU_BASE);
2602                         if (!err)
2603                                 tg3_nvram_unlock(tp);
2604                 }
2605         }
2606
2607         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2608
2609         if (device_should_wake)
2610                 pci_enable_wake(tp->pdev, state, true);
2611
2612         /* Finally, set the new power state. */
2613         pci_set_power_state(tp->pdev, state);
2614
2615         return 0;
2616 }
2617
2618 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2619 {
2620         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2621         case MII_TG3_AUX_STAT_10HALF:
2622                 *speed = SPEED_10;
2623                 *duplex = DUPLEX_HALF;
2624                 break;
2625
2626         case MII_TG3_AUX_STAT_10FULL:
2627                 *speed = SPEED_10;
2628                 *duplex = DUPLEX_FULL;
2629                 break;
2630
2631         case MII_TG3_AUX_STAT_100HALF:
2632                 *speed = SPEED_100;
2633                 *duplex = DUPLEX_HALF;
2634                 break;
2635
2636         case MII_TG3_AUX_STAT_100FULL:
2637                 *speed = SPEED_100;
2638                 *duplex = DUPLEX_FULL;
2639                 break;
2640
2641         case MII_TG3_AUX_STAT_1000HALF:
2642                 *speed = SPEED_1000;
2643                 *duplex = DUPLEX_HALF;
2644                 break;
2645
2646         case MII_TG3_AUX_STAT_1000FULL:
2647                 *speed = SPEED_1000;
2648                 *duplex = DUPLEX_FULL;
2649                 break;
2650
2651         default:
2652                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2653                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2654                                  SPEED_10;
2655                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2656                                   DUPLEX_HALF;
2657                         break;
2658                 }
2659                 *speed = SPEED_INVALID;
2660                 *duplex = DUPLEX_INVALID;
2661                 break;
2662         }
2663 }
2664
2665 static void tg3_phy_copper_begin(struct tg3 *tp)
2666 {
2667         u32 new_adv;
2668         int i;
2669
2670         if (tp->link_config.phy_is_low_power) {
2671                 /* Entering low power mode.  Disable gigabit and
2672                  * 100baseT advertisements.
2673                  */
2674                 tg3_writephy(tp, MII_TG3_CTRL, 0);
2675
2676                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2677                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2678                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2679                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2680
2681                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2682         } else if (tp->link_config.speed == SPEED_INVALID) {
2683                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2684                         tp->link_config.advertising &=
2685                                 ~(ADVERTISED_1000baseT_Half |
2686                                   ADVERTISED_1000baseT_Full);
2687
2688                 new_adv = ADVERTISE_CSMA;
2689                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2690                         new_adv |= ADVERTISE_10HALF;
2691                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2692                         new_adv |= ADVERTISE_10FULL;
2693                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2694                         new_adv |= ADVERTISE_100HALF;
2695                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2696                         new_adv |= ADVERTISE_100FULL;
2697
2698                 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2699
2700                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2701
2702                 if (tp->link_config.advertising &
2703                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2704                         new_adv = 0;
2705                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2706                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2707                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2708                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2709                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2710                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2711                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2712                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2713                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2714                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2715                 } else {
2716                         tg3_writephy(tp, MII_TG3_CTRL, 0);
2717                 }
2718         } else {
2719                 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2720                 new_adv |= ADVERTISE_CSMA;
2721
2722                 /* Asking for a specific link mode. */
2723                 if (tp->link_config.speed == SPEED_1000) {
2724                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2725
2726                         if (tp->link_config.duplex == DUPLEX_FULL)
2727                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2728                         else
2729                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2730                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2731                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2732                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2733                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
2734                 } else {
2735                         if (tp->link_config.speed == SPEED_100) {
2736                                 if (tp->link_config.duplex == DUPLEX_FULL)
2737                                         new_adv |= ADVERTISE_100FULL;
2738                                 else
2739                                         new_adv |= ADVERTISE_100HALF;
2740                         } else {
2741                                 if (tp->link_config.duplex == DUPLEX_FULL)
2742                                         new_adv |= ADVERTISE_10FULL;
2743                                 else
2744                                         new_adv |= ADVERTISE_10HALF;
2745                         }
2746                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2747
2748                         new_adv = 0;
2749                 }
2750
2751                 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2752         }
2753
2754         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2755             tp->link_config.speed != SPEED_INVALID) {
2756                 u32 bmcr, orig_bmcr;
2757
2758                 tp->link_config.active_speed = tp->link_config.speed;
2759                 tp->link_config.active_duplex = tp->link_config.duplex;
2760
2761                 bmcr = 0;
2762                 switch (tp->link_config.speed) {
2763                 default:
2764                 case SPEED_10:
2765                         break;
2766
2767                 case SPEED_100:
2768                         bmcr |= BMCR_SPEED100;
2769                         break;
2770
2771                 case SPEED_1000:
2772                         bmcr |= TG3_BMCR_SPEED1000;
2773                         break;
2774                 }
2775
2776                 if (tp->link_config.duplex == DUPLEX_FULL)
2777                         bmcr |= BMCR_FULLDPLX;
2778
2779                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2780                     (bmcr != orig_bmcr)) {
2781                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2782                         for (i = 0; i < 1500; i++) {
2783                                 u32 tmp;
2784
2785                                 udelay(10);
2786                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2787                                     tg3_readphy(tp, MII_BMSR, &tmp))
2788                                         continue;
2789                                 if (!(tmp & BMSR_LSTATUS)) {
2790                                         udelay(40);
2791                                         break;
2792                                 }
2793                         }
2794                         tg3_writephy(tp, MII_BMCR, bmcr);
2795                         udelay(40);
2796                 }
2797         } else {
2798                 tg3_writephy(tp, MII_BMCR,
2799                              BMCR_ANENABLE | BMCR_ANRESTART);
2800         }
2801 }
2802
2803 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2804 {
2805         int err;
2806
2807         /* Turn off tap power management. */
2808         /* Set Extended packet length bit */
2809         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2810
2811         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2812         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2813
2814         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2815         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2816
2817         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2818         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2819
2820         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2821         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2822
2823         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2824         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2825
2826         udelay(40);
2827
2828         return err;
2829 }
2830
2831 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2832 {
2833         u32 adv_reg, all_mask = 0;
2834
2835         if (mask & ADVERTISED_10baseT_Half)
2836                 all_mask |= ADVERTISE_10HALF;
2837         if (mask & ADVERTISED_10baseT_Full)
2838                 all_mask |= ADVERTISE_10FULL;
2839         if (mask & ADVERTISED_100baseT_Half)
2840                 all_mask |= ADVERTISE_100HALF;
2841         if (mask & ADVERTISED_100baseT_Full)
2842                 all_mask |= ADVERTISE_100FULL;
2843
2844         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2845                 return 0;
2846
2847         if ((adv_reg & all_mask) != all_mask)
2848                 return 0;
2849         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2850                 u32 tg3_ctrl;
2851
2852                 all_mask = 0;
2853                 if (mask & ADVERTISED_1000baseT_Half)
2854                         all_mask |= ADVERTISE_1000HALF;
2855                 if (mask & ADVERTISED_1000baseT_Full)
2856                         all_mask |= ADVERTISE_1000FULL;
2857
2858                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2859                         return 0;
2860
2861                 if ((tg3_ctrl & all_mask) != all_mask)
2862                         return 0;
2863         }
2864         return 1;
2865 }
2866
2867 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2868 {
2869         u32 curadv, reqadv;
2870
2871         if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2872                 return 1;
2873
2874         curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2875         reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2876
2877         if (tp->link_config.active_duplex == DUPLEX_FULL) {
2878                 if (curadv != reqadv)
2879                         return 0;
2880
2881                 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
2882                         tg3_readphy(tp, MII_LPA, rmtadv);
2883         } else {
2884                 /* Reprogram the advertisement register, even if it
2885                  * does not affect the current link.  If the link
2886                  * gets renegotiated in the future, we can save an
2887                  * additional renegotiation cycle by advertising
2888                  * it correctly in the first place.
2889                  */
2890                 if (curadv != reqadv) {
2891                         *lcladv &= ~(ADVERTISE_PAUSE_CAP |
2892                                      ADVERTISE_PAUSE_ASYM);
2893                         tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
2894                 }
2895         }
2896
2897         return 1;
2898 }
2899
2900 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
2901 {
2902         int current_link_up;
2903         u32 bmsr, dummy;
2904         u32 lcl_adv, rmt_adv;
2905         u16 current_speed;
2906         u8 current_duplex;
2907         int i, err;
2908
2909         tw32(MAC_EVENT, 0);
2910
2911         tw32_f(MAC_STATUS,
2912              (MAC_STATUS_SYNC_CHANGED |
2913               MAC_STATUS_CFG_CHANGED |
2914               MAC_STATUS_MI_COMPLETION |
2915               MAC_STATUS_LNKSTATE_CHANGED));
2916         udelay(40);
2917
2918         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
2919                 tw32_f(MAC_MI_MODE,
2920                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
2921                 udelay(80);
2922         }
2923
2924         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
2925
2926         /* Some third-party PHYs need to be reset on link going
2927          * down.
2928          */
2929         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2930              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2931              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
2932             netif_carrier_ok(tp->dev)) {
2933                 tg3_readphy(tp, MII_BMSR, &bmsr);
2934                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2935                     !(bmsr & BMSR_LSTATUS))
2936                         force_reset = 1;
2937         }
2938         if (force_reset)
2939                 tg3_phy_reset(tp);
2940
2941         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
2942                 tg3_readphy(tp, MII_BMSR, &bmsr);
2943                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
2944                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
2945                         bmsr = 0;
2946
2947                 if (!(bmsr & BMSR_LSTATUS)) {
2948                         err = tg3_init_5401phy_dsp(tp);
2949                         if (err)
2950                                 return err;
2951
2952                         tg3_readphy(tp, MII_BMSR, &bmsr);
2953                         for (i = 0; i < 1000; i++) {
2954                                 udelay(10);
2955                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2956                                     (bmsr & BMSR_LSTATUS)) {
2957                                         udelay(40);
2958                                         break;
2959                                 }
2960                         }
2961
2962                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
2963                             !(bmsr & BMSR_LSTATUS) &&
2964                             tp->link_config.active_speed == SPEED_1000) {
2965                                 err = tg3_phy_reset(tp);
2966                                 if (!err)
2967                                         err = tg3_init_5401phy_dsp(tp);
2968                                 if (err)
2969                                         return err;
2970                         }
2971                 }
2972         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2973                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
2974                 /* 5701 {A0,B0} CRC bug workaround */
2975                 tg3_writephy(tp, 0x15, 0x0a75);
2976                 tg3_writephy(tp, 0x1c, 0x8c68);
2977                 tg3_writephy(tp, 0x1c, 0x8d68);
2978                 tg3_writephy(tp, 0x1c, 0x8c68);
2979         }
2980
2981         /* Clear pending interrupts... */
2982         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2983         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2984
2985         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
2986                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
2987         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
2988                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
2989
2990         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2991             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2992                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
2993                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
2994                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
2995                 else
2996                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
2997         }
2998
2999         current_link_up = 0;
3000         current_speed = SPEED_INVALID;
3001         current_duplex = DUPLEX_INVALID;
3002
3003         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3004                 u32 val;
3005
3006                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3007                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3008                 if (!(val & (1 << 10))) {
3009                         val |= (1 << 10);
3010                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3011                         goto relink;
3012                 }
3013         }
3014
3015         bmsr = 0;
3016         for (i = 0; i < 100; i++) {
3017                 tg3_readphy(tp, MII_BMSR, &bmsr);
3018                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3019                     (bmsr & BMSR_LSTATUS))
3020                         break;
3021                 udelay(40);
3022         }
3023
3024         if (bmsr & BMSR_LSTATUS) {
3025                 u32 aux_stat, bmcr;
3026
3027                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3028                 for (i = 0; i < 2000; i++) {
3029                         udelay(10);
3030                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3031                             aux_stat)
3032                                 break;
3033                 }
3034
3035                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3036                                              &current_speed,
3037                                              &current_duplex);
3038
3039                 bmcr = 0;
3040                 for (i = 0; i < 200; i++) {
3041                         tg3_readphy(tp, MII_BMCR, &bmcr);
3042                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
3043                                 continue;
3044                         if (bmcr && bmcr != 0x7fff)
3045                                 break;
3046                         udelay(10);
3047                 }
3048
3049                 lcl_adv = 0;
3050                 rmt_adv = 0;
3051
3052                 tp->link_config.active_speed = current_speed;
3053                 tp->link_config.active_duplex = current_duplex;
3054
3055                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3056                         if ((bmcr & BMCR_ANENABLE) &&
3057                             tg3_copper_is_advertising_all(tp,
3058                                                 tp->link_config.advertising)) {
3059                                 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3060                                                                   &rmt_adv))
3061                                         current_link_up = 1;
3062                         }
3063                 } else {
3064                         if (!(bmcr & BMCR_ANENABLE) &&
3065                             tp->link_config.speed == current_speed &&
3066                             tp->link_config.duplex == current_duplex &&
3067                             tp->link_config.flowctrl ==
3068                             tp->link_config.active_flowctrl) {
3069                                 current_link_up = 1;
3070                         }
3071                 }
3072
3073                 if (current_link_up == 1 &&
3074                     tp->link_config.active_duplex == DUPLEX_FULL)
3075                         tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3076         }
3077
3078 relink:
3079         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3080                 u32 tmp;
3081
3082                 tg3_phy_copper_begin(tp);
3083
3084                 tg3_readphy(tp, MII_BMSR, &tmp);
3085                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3086                     (tmp & BMSR_LSTATUS))
3087                         current_link_up = 1;
3088         }
3089
3090         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3091         if (current_link_up == 1) {
3092                 if (tp->link_config.active_speed == SPEED_100 ||
3093                     tp->link_config.active_speed == SPEED_10)
3094                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3095                 else
3096                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3097         } else
3098                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3099
3100         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3101         if (tp->link_config.active_duplex == DUPLEX_HALF)
3102                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3103
3104         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3105                 if (current_link_up == 1 &&
3106                     tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3107                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3108                 else
3109                         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3110         }
3111
3112         /* ??? Without this setting Netgear GA302T PHY does not
3113          * ??? send/receive packets...
3114          */
3115         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3116             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3117                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3118                 tw32_f(MAC_MI_MODE, tp->mi_mode);
3119                 udelay(80);
3120         }
3121
3122         tw32_f(MAC_MODE, tp->mac_mode);
3123         udelay(40);
3124
3125         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3126                 /* Polled via timer. */
3127                 tw32_f(MAC_EVENT, 0);
3128         } else {
3129                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3130         }
3131         udelay(40);
3132
3133         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3134             current_link_up == 1 &&
3135             tp->link_config.active_speed == SPEED_1000 &&
3136             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3137              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3138                 udelay(120);
3139                 tw32_f(MAC_STATUS,
3140                      (MAC_STATUS_SYNC_CHANGED |
3141                       MAC_STATUS_CFG_CHANGED));
3142                 udelay(40);
3143                 tg3_write_mem(tp,
3144                               NIC_SRAM_FIRMWARE_MBOX,
3145                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3146         }
3147
3148         /* Prevent send BD corruption. */
3149         if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3150                 u16 oldlnkctl, newlnkctl;
3151
3152                 pci_read_config_word(tp->pdev,
3153                                      tp->pcie_cap + PCI_EXP_LNKCTL,
3154                                      &oldlnkctl);
3155                 if (tp->link_config.active_speed == SPEED_100 ||
3156                     tp->link_config.active_speed == SPEED_10)
3157                         newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3158                 else
3159                         newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3160                 if (newlnkctl != oldlnkctl)
3161                         pci_write_config_word(tp->pdev,
3162                                               tp->pcie_cap + PCI_EXP_LNKCTL,
3163                                               newlnkctl);
3164         }
3165
3166         if (current_link_up != netif_carrier_ok(tp->dev)) {
3167                 if (current_link_up)
3168                         netif_carrier_on(tp->dev);
3169                 else
3170                         netif_carrier_off(tp->dev);
3171                 tg3_link_report(tp);
3172         }
3173
3174         return 0;
3175 }
3176
3177 struct tg3_fiber_aneginfo {
3178         int state;
3179 #define ANEG_STATE_UNKNOWN              0
3180 #define ANEG_STATE_AN_ENABLE            1
3181 #define ANEG_STATE_RESTART_INIT         2
3182 #define ANEG_STATE_RESTART              3
3183 #define ANEG_STATE_DISABLE_LINK_OK      4
3184 #define ANEG_STATE_ABILITY_DETECT_INIT  5
3185 #define ANEG_STATE_ABILITY_DETECT       6
3186 #define ANEG_STATE_ACK_DETECT_INIT      7
3187 #define ANEG_STATE_ACK_DETECT           8
3188 #define ANEG_STATE_COMPLETE_ACK_INIT    9
3189 #define ANEG_STATE_COMPLETE_ACK         10
3190 #define ANEG_STATE_IDLE_DETECT_INIT     11
3191 #define ANEG_STATE_IDLE_DETECT          12
3192 #define ANEG_STATE_LINK_OK              13
3193 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
3194 #define ANEG_STATE_NEXT_PAGE_WAIT       15
3195
3196         u32 flags;
3197 #define MR_AN_ENABLE            0x00000001
3198 #define MR_RESTART_AN           0x00000002
3199 #define MR_AN_COMPLETE          0x00000004
3200 #define MR_PAGE_RX              0x00000008
3201 #define MR_NP_LOADED            0x00000010
3202 #define MR_TOGGLE_TX            0x00000020
3203 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
3204 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
3205 #define MR_LP_ADV_SYM_PAUSE     0x00000100
3206 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
3207 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3208 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3209 #define MR_LP_ADV_NEXT_PAGE     0x00001000
3210 #define MR_TOGGLE_RX            0x00002000
3211 #define MR_NP_RX                0x00004000
3212
3213 #define MR_LINK_OK              0x80000000
3214
3215         unsigned long link_time, cur_time;
3216
3217         u32 ability_match_cfg;
3218         int ability_match_count;
3219
3220         char ability_match, idle_match, ack_match;
3221
3222         u32 txconfig, rxconfig;
3223 #define ANEG_CFG_NP             0x00000080
3224 #define ANEG_CFG_ACK            0x00000040
3225 #define ANEG_CFG_RF2            0x00000020
3226 #define ANEG_CFG_RF1            0x00000010
3227 #define ANEG_CFG_PS2            0x00000001
3228 #define ANEG_CFG_PS1            0x00008000
3229 #define ANEG_CFG_HD             0x00004000
3230 #define ANEG_CFG_FD             0x00002000
3231 #define ANEG_CFG_INVAL          0x00001f06
3232
3233 };
3234 #define ANEG_OK         0
3235 #define ANEG_DONE       1
3236 #define ANEG_TIMER_ENAB 2
3237 #define ANEG_FAILED     -1
3238
3239 #define ANEG_STATE_SETTLE_TIME  10000
3240
3241 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3242                                    struct tg3_fiber_aneginfo *ap)
3243 {
3244         u16 flowctrl;
3245         unsigned long delta;
3246         u32 rx_cfg_reg;
3247         int ret;
3248
3249         if (ap->state == ANEG_STATE_UNKNOWN) {
3250                 ap->rxconfig = 0;
3251                 ap->link_time = 0;
3252                 ap->cur_time = 0;
3253                 ap->ability_match_cfg = 0;
3254                 ap->ability_match_count = 0;
3255                 ap->ability_match = 0;
3256                 ap->idle_match = 0;
3257                 ap->ack_match = 0;
3258         }
3259         ap->cur_time++;
3260
3261         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3262                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3263
3264                 if (rx_cfg_reg != ap->ability_match_cfg) {
3265                         ap->ability_match_cfg = rx_cfg_reg;
3266                         ap->ability_match = 0;
3267                         ap->ability_match_count = 0;
3268                 } else {
3269                         if (++ap->ability_match_count > 1) {
3270                                 ap->ability_match = 1;
3271                                 ap->ability_match_cfg = rx_cfg_reg;
3272                         }
3273                 }
3274                 if (rx_cfg_reg & ANEG_CFG_ACK)
3275                         ap->ack_match = 1;
3276                 else
3277                         ap->ack_match = 0;
3278
3279                 ap->idle_match = 0;
3280         } else {
3281                 ap->idle_match = 1;
3282                 ap->ability_match_cfg = 0;
3283                 ap->ability_match_count = 0;
3284                 ap->ability_match = 0;
3285                 ap->ack_match = 0;
3286
3287                 rx_cfg_reg = 0;
3288         }
3289
3290         ap->rxconfig = rx_cfg_reg;
3291         ret = ANEG_OK;
3292
3293         switch(ap->state) {
3294         case ANEG_STATE_UNKNOWN:
3295                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3296                         ap->state = ANEG_STATE_AN_ENABLE;
3297
3298                 /* fallthru */
3299         case ANEG_STATE_AN_ENABLE:
3300                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3301                 if (ap->flags & MR_AN_ENABLE) {
3302                         ap->link_time = 0;
3303                         ap->cur_time = 0;
3304                         ap->ability_match_cfg = 0;
3305                         ap->ability_match_count = 0;
3306                         ap->ability_match = 0;
3307                         ap->idle_match = 0;
3308                         ap->ack_match = 0;
3309
3310                         ap->state = ANEG_STATE_RESTART_INIT;
3311                 } else {
3312                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
3313                 }
3314                 break;
3315
3316         case ANEG_STATE_RESTART_INIT:
3317                 ap->link_time = ap->cur_time;
3318                 ap->flags &= ~(MR_NP_LOADED);
3319                 ap->txconfig = 0;
3320                 tw32(MAC_TX_AUTO_NEG, 0);
3321                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3322                 tw32_f(MAC_MODE, tp->mac_mode);
3323                 udelay(40);
3324
3325                 ret = ANEG_TIMER_ENAB;
3326                 ap->state = ANEG_STATE_RESTART;
3327
3328                 /* fallthru */
3329         case ANEG_STATE_RESTART:
3330                 delta = ap->cur_time - ap->link_time;
3331                 if (delta > ANEG_STATE_SETTLE_TIME) {
3332                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3333                 } else {
3334                         ret = ANEG_TIMER_ENAB;
3335                 }
3336                 break;
3337
3338         case ANEG_STATE_DISABLE_LINK_OK:
3339                 ret = ANEG_DONE;
3340                 break;
3341
3342         case ANEG_STATE_ABILITY_DETECT_INIT:
3343                 ap->flags &= ~(MR_TOGGLE_TX);
3344                 ap->txconfig = ANEG_CFG_FD;
3345                 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3346                 if (flowctrl & ADVERTISE_1000XPAUSE)
3347                         ap->txconfig |= ANEG_CFG_PS1;
3348                 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3349                         ap->txconfig |= ANEG_CFG_PS2;
3350                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3351                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3352                 tw32_f(MAC_MODE, tp->mac_mode);
3353                 udelay(40);
3354
3355                 ap->state = ANEG_STATE_ABILITY_DETECT;
3356                 break;
3357
3358         case ANEG_STATE_ABILITY_DETECT:
3359                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3360                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
3361                 }
3362                 break;
3363
3364         case ANEG_STATE_ACK_DETECT_INIT:
3365                 ap->txconfig |= ANEG_CFG_ACK;
3366                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3367                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3368                 tw32_f(MAC_MODE, tp->mac_mode);
3369                 udelay(40);
3370
3371                 ap->state = ANEG_STATE_ACK_DETECT;
3372
3373                 /* fallthru */
3374         case ANEG_STATE_ACK_DETECT:
3375                 if (ap->ack_match != 0) {
3376                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3377                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3378                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3379                         } else {
3380                                 ap->state = ANEG_STATE_AN_ENABLE;
3381                         }
3382                 } else if (ap->ability_match != 0 &&
3383                            ap->rxconfig == 0) {
3384                         ap->state = ANEG_STATE_AN_ENABLE;
3385                 }
3386                 break;
3387
3388         case ANEG_STATE_COMPLETE_ACK_INIT:
3389                 if (ap->rxconfig & ANEG_CFG_INVAL) {
3390                         ret = ANEG_FAILED;
3391                         break;
3392                 }
3393                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3394                                MR_LP_ADV_HALF_DUPLEX |
3395                                MR_LP_ADV_SYM_PAUSE |
3396                                MR_LP_ADV_ASYM_PAUSE |
3397                                MR_LP_ADV_REMOTE_FAULT1 |
3398                                MR_LP_ADV_REMOTE_FAULT2 |
3399                                MR_LP_ADV_NEXT_PAGE |
3400                                MR_TOGGLE_RX |
3401                                MR_NP_RX);
3402                 if (ap->rxconfig & ANEG_CFG_FD)
3403                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3404                 if (ap->rxconfig & ANEG_CFG_HD)
3405                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3406                 if (ap->rxconfig & ANEG_CFG_PS1)
3407                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
3408                 if (ap->rxconfig & ANEG_CFG_PS2)
3409                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3410                 if (ap->rxconfig & ANEG_CFG_RF1)
3411                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3412                 if (ap->rxconfig & ANEG_CFG_RF2)
3413                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3414                 if (ap->rxconfig & ANEG_CFG_NP)
3415                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
3416
3417                 ap->link_time = ap->cur_time;
3418
3419                 ap->flags ^= (MR_TOGGLE_TX);
3420                 if (ap->rxconfig & 0x0008)
3421                         ap->flags |= MR_TOGGLE_RX;
3422                 if (ap->rxconfig & ANEG_CFG_NP)
3423                         ap->flags |= MR_NP_RX;
3424                 ap->flags |= MR_PAGE_RX;
3425
3426                 ap->state = ANEG_STATE_COMPLETE_ACK;
3427                 ret = ANEG_TIMER_ENAB;
3428                 break;
3429
3430         case ANEG_STATE_COMPLETE_ACK:
3431                 if (ap->ability_match != 0 &&
3432                     ap->rxconfig == 0) {
3433                         ap->state = ANEG_STATE_AN_ENABLE;
3434                         break;
3435                 }
3436                 delta = ap->cur_time - ap->link_time;
3437                 if (delta > ANEG_STATE_SETTLE_TIME) {
3438                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3439                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3440                         } else {
3441                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3442                                     !(ap->flags & MR_NP_RX)) {
3443                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3444                                 } else {
3445                                         ret = ANEG_FAILED;
3446                                 }
3447                         }
3448                 }
3449                 break;
3450
3451         case ANEG_STATE_IDLE_DETECT_INIT:
3452                 ap->link_time = ap->cur_time;
3453                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3454                 tw32_f(MAC_MODE, tp->mac_mode);
3455                 udelay(40);
3456
3457                 ap->state = ANEG_STATE_IDLE_DETECT;
3458                 ret = ANEG_TIMER_ENAB;
3459                 break;
3460
3461         case ANEG_STATE_IDLE_DETECT:
3462                 if (ap->ability_match != 0 &&
3463                     ap->rxconfig == 0) {
3464                         ap->state = ANEG_STATE_AN_ENABLE;
3465                         break;
3466                 }
3467                 delta = ap->cur_time - ap->link_time;
3468                 if (delta > ANEG_STATE_SETTLE_TIME) {
3469                         /* XXX another gem from the Broadcom driver :( */
3470                         ap->state = ANEG_STATE_LINK_OK;
3471                 }
3472                 break;
3473
3474         case ANEG_STATE_LINK_OK:
3475                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3476                 ret = ANEG_DONE;
3477                 break;
3478
3479         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3480                 /* ??? unimplemented */
3481                 break;
3482
3483         case ANEG_STATE_NEXT_PAGE_WAIT:
3484                 /* ??? unimplemented */
3485                 break;
3486
3487         default:
3488                 ret = ANEG_FAILED;
3489                 break;
3490         }
3491
3492         return ret;
3493 }
3494
3495 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3496 {
3497         int res = 0;
3498         struct tg3_fiber_aneginfo aninfo;
3499         int status = ANEG_FAILED;
3500         unsigned int tick;
3501         u32 tmp;
3502
3503         tw32_f(MAC_TX_AUTO_NEG, 0);
3504
3505         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3506         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3507         udelay(40);
3508
3509         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3510         udelay(40);
3511
3512         memset(&aninfo, 0, sizeof(aninfo));
3513         aninfo.flags |= MR_AN_ENABLE;
3514         aninfo.state = ANEG_STATE_UNKNOWN;
3515         aninfo.cur_time = 0;
3516         tick = 0;
3517         while (++tick < 195000) {
3518                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3519                 if (status == ANEG_DONE || status == ANEG_FAILED)
3520                         break;
3521
3522                 udelay(1);
3523         }
3524
3525         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3526         tw32_f(MAC_MODE, tp->mac_mode);
3527         udelay(40);
3528
3529         *txflags = aninfo.txconfig;
3530         *rxflags = aninfo.flags;
3531
3532         if (status == ANEG_DONE &&
3533             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3534                              MR_LP_ADV_FULL_DUPLEX)))
3535                 res = 1;
3536
3537         return res;
3538 }
3539
3540 static void tg3_init_bcm8002(struct tg3 *tp)
3541 {
3542         u32 mac_status = tr32(MAC_STATUS);
3543         int i;
3544
3545         /* Reset when initting first time or we have a link. */
3546         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3547             !(mac_status & MAC_STATUS_PCS_SYNCED))
3548                 return;
3549
3550         /* Set PLL lock range. */
3551         tg3_writephy(tp, 0x16, 0x8007);
3552
3553         /* SW reset */
3554         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3555
3556         /* Wait for reset to complete. */
3557         /* XXX schedule_timeout() ... */
3558         for (i = 0; i < 500; i++)
3559                 udelay(10);
3560
3561         /* Config mode; select PMA/Ch 1 regs. */
3562         tg3_writephy(tp, 0x10, 0x8411);
3563
3564         /* Enable auto-lock and comdet, select txclk for tx. */
3565         tg3_writephy(tp, 0x11, 0x0a10);
3566
3567         tg3_writephy(tp, 0x18, 0x00a0);
3568         tg3_writephy(tp, 0x16, 0x41ff);
3569
3570         /* Assert and deassert POR. */
3571         tg3_writephy(tp, 0x13, 0x0400);
3572         udelay(40);
3573         tg3_writephy(tp, 0x13, 0x0000);
3574
3575         tg3_writephy(tp, 0x11, 0x0a50);
3576         udelay(40);
3577         tg3_writephy(tp, 0x11, 0x0a10);
3578
3579         /* Wait for signal to stabilize */
3580         /* XXX schedule_timeout() ... */
3581         for (i = 0; i < 15000; i++)
3582                 udelay(10);
3583
3584         /* Deselect the channel register so we can read the PHYID
3585          * later.
3586          */
3587         tg3_writephy(tp, 0x10, 0x8011);
3588 }
3589
3590 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3591 {
3592         u16 flowctrl;
3593         u32 sg_dig_ctrl, sg_dig_status;
3594         u32 serdes_cfg, expected_sg_dig_ctrl;
3595         int workaround, port_a;
3596         int current_link_up;
3597
3598         serdes_cfg = 0;
3599         expected_sg_dig_ctrl = 0;
3600         workaround = 0;
3601         port_a = 1;
3602         current_link_up = 0;
3603
3604         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3605             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3606                 workaround = 1;
3607                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3608                         port_a = 0;
3609
3610                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3611                 /* preserve bits 20-23 for voltage regulator */
3612                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3613         }
3614
3615         sg_dig_ctrl = tr32(SG_DIG_CTRL);
3616
3617         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3618                 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3619                         if (workaround) {
3620                                 u32 val = serdes_cfg;
3621
3622                                 if (port_a)
3623                                         val |= 0xc010000;
3624                                 else
3625                                         val |= 0x4010000;
3626                                 tw32_f(MAC_SERDES_CFG, val);
3627                         }
3628
3629                         tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3630                 }
3631                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3632                         tg3_setup_flow_control(tp, 0, 0);
3633                         current_link_up = 1;
3634                 }
3635                 goto out;
3636         }
3637
3638         /* Want auto-negotiation.  */
3639         expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3640
3641         flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3642         if (flowctrl & ADVERTISE_1000XPAUSE)
3643                 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3644         if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3645                 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3646
3647         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3648                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3649                     tp->serdes_counter &&
3650                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
3651                                     MAC_STATUS_RCVD_CFG)) ==
3652                      MAC_STATUS_PCS_SYNCED)) {
3653                         tp->serdes_counter--;
3654                         current_link_up = 1;
3655                         goto out;
3656                 }
3657 restart_autoneg:
3658                 if (workaround)
3659                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3660                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3661                 udelay(5);
3662                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3663
3664                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3665                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3666         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3667                                  MAC_STATUS_SIGNAL_DET)) {
3668                 sg_dig_status = tr32(SG_DIG_STATUS);
3669                 mac_status = tr32(MAC_STATUS);
3670
3671                 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3672                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
3673                         u32 local_adv = 0, remote_adv = 0;
3674
3675                         if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3676                                 local_adv |= ADVERTISE_1000XPAUSE;
3677                         if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3678                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3679
3680                         if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3681                                 remote_adv |= LPA_1000XPAUSE;
3682                         if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3683                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3684
3685                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3686                         current_link_up = 1;
3687                         tp->serdes_counter = 0;
3688                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3689                 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3690                         if (tp->serdes_counter)
3691                                 tp->serdes_counter--;
3692                         else {
3693                                 if (workaround) {
3694                                         u32 val = serdes_cfg;
3695
3696                                         if (port_a)
3697                                                 val |= 0xc010000;
3698                                         else
3699                                                 val |= 0x4010000;
3700
3701                                         tw32_f(MAC_SERDES_CFG, val);
3702                                 }
3703
3704                                 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3705                                 udelay(40);
3706
3707                                 /* Link parallel detection - link is up */
3708                                 /* only if we have PCS_SYNC and not */
3709                                 /* receiving config code words */
3710                                 mac_status = tr32(MAC_STATUS);
3711                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3712                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
3713                                         tg3_setup_flow_control(tp, 0, 0);
3714                                         current_link_up = 1;
3715                                         tp->tg3_flags2 |=
3716                                                 TG3_FLG2_PARALLEL_DETECT;
3717                                         tp->serdes_counter =
3718                                                 SERDES_PARALLEL_DET_TIMEOUT;
3719                                 } else
3720                                         goto restart_autoneg;
3721                         }
3722                 }
3723         } else {
3724                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3725                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3726         }
3727
3728 out:
3729         return current_link_up;
3730 }
3731
3732 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3733 {
3734         int current_link_up = 0;
3735
3736         if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3737                 goto out;
3738
3739         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3740                 u32 txflags, rxflags;
3741                 int i;
3742
3743                 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3744                         u32 local_adv = 0, remote_adv = 0;
3745
3746                         if (txflags & ANEG_CFG_PS1)
3747                                 local_adv |= ADVERTISE_1000XPAUSE;
3748                         if (txflags & ANEG_CFG_PS2)
3749                                 local_adv |= ADVERTISE_1000XPSE_ASYM;
3750
3751                         if (rxflags & MR_LP_ADV_SYM_PAUSE)
3752                                 remote_adv |= LPA_1000XPAUSE;
3753                         if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3754                                 remote_adv |= LPA_1000XPAUSE_ASYM;
3755
3756                         tg3_setup_flow_control(tp, local_adv, remote_adv);
3757
3758                         current_link_up = 1;
3759                 }
3760                 for (i = 0; i < 30; i++) {
3761                         udelay(20);
3762                         tw32_f(MAC_STATUS,
3763                                (MAC_STATUS_SYNC_CHANGED |
3764                                 MAC_STATUS_CFG_CHANGED));
3765                         udelay(40);
3766                         if ((tr32(MAC_STATUS) &
3767                              (MAC_STATUS_SYNC_CHANGED |
3768                               MAC_STATUS_CFG_CHANGED)) == 0)
3769                                 break;
3770                 }
3771
3772                 mac_status = tr32(MAC_STATUS);
3773                 if (current_link_up == 0 &&
3774                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
3775                     !(mac_status & MAC_STATUS_RCVD_CFG))
3776                         current_link_up = 1;
3777         } else {
3778                 tg3_setup_flow_control(tp, 0, 0);
3779
3780                 /* Forcing 1000FD link up. */
3781                 current_link_up = 1;
3782
3783                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3784                 udelay(40);
3785
3786                 tw32_f(MAC_MODE, tp->mac_mode);
3787                 udelay(40);
3788         }
3789
3790 out:
3791         return current_link_up;
3792 }
3793
3794 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3795 {
3796         u32 orig_pause_cfg;
3797         u16 orig_active_speed;
3798         u8 orig_active_duplex;
3799         u32 mac_status;
3800         int current_link_up;
3801         int i;
3802
3803         orig_pause_cfg = tp->link_config.active_flowctrl;
3804         orig_active_speed = tp->link_config.active_speed;
3805         orig_active_duplex = tp->link_config.active_duplex;
3806
3807         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3808             netif_carrier_ok(tp->dev) &&
3809             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3810                 mac_status = tr32(MAC_STATUS);
3811                 mac_status &= (MAC_STATUS_PCS_SYNCED |
3812                                MAC_STATUS_SIGNAL_DET |
3813                                MAC_STATUS_CFG_CHANGED |
3814                                MAC_STATUS_RCVD_CFG);
3815                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3816                                    MAC_STATUS_SIGNAL_DET)) {
3817                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3818                                             MAC_STATUS_CFG_CHANGED));
3819                         return 0;
3820                 }
3821         }
3822
3823         tw32_f(MAC_TX_AUTO_NEG, 0);
3824
3825         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3826         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3827         tw32_f(MAC_MODE, tp->mac_mode);
3828         udelay(40);
3829
3830         if (tp->phy_id == PHY_ID_BCM8002)
3831                 tg3_init_bcm8002(tp);
3832
3833         /* Enable link change event even when serdes polling.  */
3834         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3835         udelay(40);
3836
3837         current_link_up = 0;
3838         mac_status = tr32(MAC_STATUS);
3839
3840         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3841                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3842         else
3843                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3844
3845         tp->hw_status->status =
3846                 (SD_STATUS_UPDATED |
3847                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
3848
3849         for (i = 0; i < 100; i++) {
3850                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3851                                     MAC_STATUS_CFG_CHANGED));
3852                 udelay(5);
3853                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3854                                          MAC_STATUS_CFG_CHANGED |
3855                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3856                         break;
3857         }
3858
3859         mac_status = tr32(MAC_STATUS);
3860         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3861                 current_link_up = 0;
3862                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3863                     tp->serdes_counter == 0) {
3864                         tw32_f(MAC_MODE, (tp->mac_mode |
3865                                           MAC_MODE_SEND_CONFIGS));
3866                         udelay(1);
3867                         tw32_f(MAC_MODE, tp->mac_mode);
3868                 }
3869         }
3870
3871         if (current_link_up == 1) {
3872                 tp->link_config.active_speed = SPEED_1000;
3873                 tp->link_config.active_duplex = DUPLEX_FULL;
3874                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3875                                     LED_CTRL_LNKLED_OVERRIDE |
3876                                     LED_CTRL_1000MBPS_ON));
3877         } else {
3878                 tp->link_config.active_speed = SPEED_INVALID;
3879                 tp->link_config.active_duplex = DUPLEX_INVALID;
3880                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3881                                     LED_CTRL_LNKLED_OVERRIDE |
3882                                     LED_CTRL_TRAFFIC_OVERRIDE));
3883         }
3884
3885         if (current_link_up != netif_carrier_ok(tp->dev)) {
3886                 if (current_link_up)
3887                         netif_carrier_on(tp->dev);
3888                 else
3889                         netif_carrier_off(tp->dev);
3890                 tg3_link_report(tp);
3891         } else {
3892                 u32 now_pause_cfg = tp->link_config.active_flowctrl;
3893                 if (orig_pause_cfg != now_pause_cfg ||
3894                     orig_active_speed != tp->link_config.active_speed ||
3895                     orig_active_duplex != tp->link_config.active_duplex)
3896                         tg3_link_report(tp);
3897         }
3898
3899         return 0;
3900 }
3901
3902 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
3903 {
3904         int current_link_up, err = 0;
3905         u32 bmsr, bmcr;
3906         u16 current_speed;
3907         u8 current_duplex;
3908         u32 local_adv, remote_adv;
3909
3910         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3911         tw32_f(MAC_MODE, tp->mac_mode);
3912         udelay(40);
3913
3914         tw32(MAC_EVENT, 0);
3915
3916         tw32_f(MAC_STATUS,
3917              (MAC_STATUS_SYNC_CHANGED |
3918               MAC_STATUS_CFG_CHANGED |
3919               MAC_STATUS_MI_COMPLETION |
3920               MAC_STATUS_LNKSTATE_CHANGED));
3921         udelay(40);
3922
3923         if (force_reset)
3924                 tg3_phy_reset(tp);
3925
3926         current_link_up = 0;
3927         current_speed = SPEED_INVALID;
3928         current_duplex = DUPLEX_INVALID;
3929
3930         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3931         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3932         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
3933                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
3934                         bmsr |= BMSR_LSTATUS;
3935                 else
3936                         bmsr &= ~BMSR_LSTATUS;
3937         }
3938
3939         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
3940
3941         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
3942             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3943                 /* do nothing, just check for link up at the end */
3944         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3945                 u32 adv, new_adv;
3946
3947                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3948                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
3949                                   ADVERTISE_1000XPAUSE |
3950                                   ADVERTISE_1000XPSE_ASYM |
3951                                   ADVERTISE_SLCT);
3952
3953                 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3954
3955                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
3956                         new_adv |= ADVERTISE_1000XHALF;
3957                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
3958                         new_adv |= ADVERTISE_1000XFULL;
3959
3960                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
3961                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
3962                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
3963                         tg3_writephy(tp, MII_BMCR, bmcr);
3964
3965                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3966                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
3967                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3968
3969                         return err;
3970                 }
3971         } else {
3972                 u32 new_bmcr;
3973
3974                 bmcr &= ~BMCR_SPEED1000;
3975                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
3976
3977                 if (tp->link_config.duplex == DUPLEX_FULL)
3978                         new_bmcr |= BMCR_FULLDPLX;
3979
3980                 if (new_bmcr != bmcr) {
3981                         /* BMCR_SPEED1000 is a reserved bit that needs
3982                          * to be set on write.
3983                          */
3984                         new_bmcr |= BMCR_SPEED1000;
3985
3986                         /* Force a linkdown */
3987                         if (netif_carrier_ok(tp->dev)) {
3988                                 u32 adv;
3989
3990                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3991                                 adv &= ~(ADVERTISE_1000XFULL |
3992                                          ADVERTISE_1000XHALF |
3993                                          ADVERTISE_SLCT);
3994                                 tg3_writephy(tp, MII_ADVERTISE, adv);
3995                                 tg3_writephy(tp, MII_BMCR, bmcr |
3996                                                            BMCR_ANRESTART |
3997                                                            BMCR_ANENABLE);
3998                                 udelay(10);
3999                                 netif_carrier_off(tp->dev);
4000                         }
4001                         tg3_writephy(tp, MII_BMCR, new_bmcr);
4002                         bmcr = new_bmcr;
4003                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4004                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4005                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4006                             ASIC_REV_5714) {
4007                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4008                                         bmsr |= BMSR_LSTATUS;
4009                                 else
4010                                         bmsr &= ~BMSR_LSTATUS;
4011                         }
4012                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4013                 }
4014         }
4015
4016         if (bmsr & BMSR_LSTATUS) {
4017                 current_speed = SPEED_1000;
4018                 current_link_up = 1;
4019                 if (bmcr & BMCR_FULLDPLX)
4020                         current_duplex = DUPLEX_FULL;
4021                 else
4022                         current_duplex = DUPLEX_HALF;
4023
4024                 local_adv = 0;
4025                 remote_adv = 0;
4026
4027                 if (bmcr & BMCR_ANENABLE) {
4028                         u32 common;
4029
4030                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4031                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4032                         common = local_adv & remote_adv;
4033                         if (common & (ADVERTISE_1000XHALF |
4034                                       ADVERTISE_1000XFULL)) {
4035                                 if (common & ADVERTISE_1000XFULL)
4036                                         current_duplex = DUPLEX_FULL;
4037                                 else
4038                                         current_duplex = DUPLEX_HALF;
4039                         }
4040                         else
4041                                 current_link_up = 0;
4042                 }
4043         }
4044
4045         if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4046                 tg3_setup_flow_control(tp, local_adv, remote_adv);
4047
4048         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4049         if (tp->link_config.active_duplex == DUPLEX_HALF)
4050                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4051
4052         tw32_f(MAC_MODE, tp->mac_mode);
4053         udelay(40);
4054
4055         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4056
4057         tp->link_config.active_speed = current_speed;
4058         tp->link_config.active_duplex = current_duplex;
4059
4060         if (current_link_up != netif_carrier_ok(tp->dev)) {
4061                 if (current_link_up)
4062                         netif_carrier_on(tp->dev);
4063                 else {
4064                         netif_carrier_off(tp->dev);
4065                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4066                 }
4067                 tg3_link_report(tp);
4068         }
4069         return err;
4070 }
4071
4072 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4073 {
4074         if (tp->serdes_counter) {
4075                 /* Give autoneg time to complete. */
4076                 tp->serdes_counter--;
4077                 return;
4078         }
4079         if (!netif_carrier_ok(tp->dev) &&
4080             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4081                 u32 bmcr;
4082
4083                 tg3_readphy(tp, MII_BMCR, &bmcr);
4084                 if (bmcr & BMCR_ANENABLE) {
4085                         u32 phy1, phy2;
4086
4087                         /* Select shadow register 0x1f */
4088                         tg3_writephy(tp, 0x1c, 0x7c00);
4089                         tg3_readphy(tp, 0x1c, &phy1);
4090
4091                         /* Select expansion interrupt status register */
4092                         tg3_writephy(tp, 0x17, 0x0f01);
4093                         tg3_readphy(tp, 0x15, &phy2);
4094                         tg3_readphy(tp, 0x15, &phy2);
4095
4096                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4097                                 /* We have signal detect and not receiving
4098                                  * config code words, link is up by parallel
4099                                  * detection.
4100                                  */
4101
4102                                 bmcr &= ~BMCR_ANENABLE;
4103                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4104                                 tg3_writephy(tp, MII_BMCR, bmcr);
4105                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4106                         }
4107                 }
4108         }
4109         else if (netif_carrier_ok(tp->dev) &&
4110                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4111                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4112                 u32 phy2;
4113
4114                 /* Select expansion interrupt status register */
4115                 tg3_writephy(tp, 0x17, 0x0f01);
4116                 tg3_readphy(tp, 0x15, &phy2);
4117                 if (phy2 & 0x20) {
4118                         u32 bmcr;
4119
4120                         /* Config code words received, turn on autoneg. */
4121                         tg3_readphy(tp, MII_BMCR, &bmcr);
4122                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4123
4124                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4125
4126                 }
4127         }
4128 }
4129
4130 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4131 {
4132         int err;
4133
4134         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4135                 err = tg3_setup_fiber_phy(tp, force_reset);
4136         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4137                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4138         } else {
4139                 err = tg3_setup_copper_phy(tp, force_reset);
4140         }
4141
4142         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4143                 u32 val, scale;
4144
4145                 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4146                 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4147                         scale = 65;
4148                 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4149                         scale = 6;
4150                 else
4151                         scale = 12;
4152
4153                 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4154                 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4155                 tw32(GRC_MISC_CFG, val);
4156         }
4157
4158         if (tp->link_config.active_speed == SPEED_1000 &&
4159             tp->link_config.active_duplex == DUPLEX_HALF)
4160                 tw32(MAC_TX_LENGTHS,
4161                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4162                       (6 << TX_LENGTHS_IPG_SHIFT) |
4163                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4164         else
4165                 tw32(MAC_TX_LENGTHS,
4166                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4167                       (6 << TX_LENGTHS_IPG_SHIFT) |
4168                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4169
4170         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4171                 if (netif_carrier_ok(tp->dev)) {
4172                         tw32(HOSTCC_STAT_COAL_TICKS,
4173                              tp->coal.stats_block_coalesce_usecs);
4174                 } else {
4175                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
4176                 }
4177         }
4178
4179         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4180                 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4181                 if (!netif_carrier_ok(tp->dev))
4182                         val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4183                               tp->pwrmgmt_thresh;
4184                 else
4185                         val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4186                 tw32(PCIE_PWR_MGMT_THRESH, val);
4187         }
4188
4189         return err;
4190 }
4191
4192 /* This is called whenever we suspect that the system chipset is re-
4193  * ordering the sequence of MMIO to the tx send mailbox. The symptom
4194  * is bogus tx completions. We try to recover by setting the
4195  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4196  * in the workqueue.
4197  */
4198 static void tg3_tx_recover(struct tg3 *tp)
4199 {
4200         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4201                tp->write32_tx_mbox == tg3_write_indirect_mbox);
4202
4203         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4204                "mapped I/O cycles to the network device, attempting to "
4205                "recover. Please report the problem to the driver maintainer "
4206                "and include system chipset information.\n", tp->dev->name);
4207
4208         spin_lock(&tp->lock);
4209         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4210         spin_unlock(&tp->lock);
4211 }
4212
4213 static inline u32 tg3_tx_avail(struct tg3 *tp)
4214 {
4215         smp_mb();
4216         return (tp->tx_pending -
4217                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
4218 }
4219
4220 /* Tigon3 never reports partial packet sends.  So we do not
4221  * need special logic to handle SKBs that have not had all
4222  * of their frags sent yet, like SunGEM does.
4223  */
4224 static void tg3_tx(struct tg3 *tp)
4225 {
4226         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
4227         u32 sw_idx = tp->tx_cons;
4228
4229         while (sw_idx != hw_idx) {
4230                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
4231                 struct sk_buff *skb = ri->skb;
4232                 int i, tx_bug = 0;
4233
4234                 if (unlikely(skb == NULL)) {
4235                         tg3_tx_recover(tp);
4236                         return;
4237                 }
4238
4239                 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
4240
4241                 ri->skb = NULL;
4242
4243                 sw_idx = NEXT_TX(sw_idx);
4244
4245                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4246                         ri = &tp->tx_buffers[sw_idx];
4247                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4248                                 tx_bug = 1;
4249                         sw_idx = NEXT_TX(sw_idx);
4250                 }
4251
4252                 dev_kfree_skb(skb);
4253
4254                 if (unlikely(tx_bug)) {
4255                         tg3_tx_recover(tp);
4256                         return;
4257                 }
4258         }
4259
4260         tp->tx_cons = sw_idx;
4261
4262         /* Need to make the tx_cons update visible to tg3_start_xmit()
4263          * before checking for netif_queue_stopped().  Without the
4264          * memory barrier, there is a small possibility that tg3_start_xmit()
4265          * will miss it and cause the queue to be stopped forever.
4266          */
4267         smp_mb();
4268
4269         if (unlikely(netif_queue_stopped(tp->dev) &&
4270                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
4271                 netif_tx_lock(tp->dev);
4272                 if (netif_queue_stopped(tp->dev) &&
4273                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
4274                         netif_wake_queue(tp->dev);
4275                 netif_tx_unlock(tp->dev);
4276         }
4277 }
4278
4279 /* Returns size of skb allocated or < 0 on error.
4280  *
4281  * We only need to fill in the address because the other members
4282  * of the RX descriptor are invariant, see tg3_init_rings.
4283  *
4284  * Note the purposeful assymetry of cpu vs. chip accesses.  For
4285  * posting buffers we only dirty the first cache line of the RX
4286  * descriptor (containing the address).  Whereas for the RX status
4287  * buffers the cpu only reads the last cacheline of the RX descriptor
4288  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4289  */
4290 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
4291                             int src_idx, u32 dest_idx_unmasked)
4292 {
4293         struct tg3_rx_buffer_desc *desc;
4294         struct ring_info *map, *src_map;
4295         struct sk_buff *skb;
4296         dma_addr_t mapping;
4297         int skb_size, dest_idx;
4298
4299         src_map = NULL;
4300         switch (opaque_key) {
4301         case RXD_OPAQUE_RING_STD:
4302                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4303                 desc = &tp->rx_std[dest_idx];
4304                 map = &tp->rx_std_buffers[dest_idx];
4305                 if (src_idx >= 0)
4306                         src_map = &tp->rx_std_buffers[src_idx];
4307                 skb_size = tp->rx_pkt_buf_sz;
4308                 break;
4309
4310         case RXD_OPAQUE_RING_JUMBO:
4311                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4312                 desc = &tp->rx_jumbo[dest_idx];
4313                 map = &tp->rx_jumbo_buffers[dest_idx];
4314                 if (src_idx >= 0)
4315                         src_map = &tp->rx_jumbo_buffers[src_idx];
4316                 skb_size = RX_JUMBO_PKT_BUF_SZ;
4317                 break;
4318
4319         default:
4320                 return -EINVAL;
4321         }
4322
4323         /* Do not overwrite any of the map or rp information
4324          * until we are sure we can commit to a new buffer.
4325          *
4326          * Callers depend upon this behavior and assume that
4327          * we leave everything unchanged if we fail.
4328          */
4329         skb = netdev_alloc_skb(tp->dev, skb_size);
4330         if (skb == NULL)
4331                 return -ENOMEM;
4332
4333         skb_reserve(skb, tp->rx_offset);
4334
4335         mapping = pci_map_single(tp->pdev, skb->data,
4336                                  skb_size - tp->rx_offset,
4337                                  PCI_DMA_FROMDEVICE);
4338
4339         map->skb = skb;
4340         pci_unmap_addr_set(map, mapping, mapping);
4341
4342         if (src_map != NULL)
4343                 src_map->skb = NULL;
4344
4345         desc->addr_hi = ((u64)mapping >> 32);
4346         desc->addr_lo = ((u64)mapping & 0xffffffff);
4347
4348         return skb_size;
4349 }
4350
4351 /* We only need to move over in the address because the other
4352  * members of the RX descriptor are invariant.  See notes above
4353  * tg3_alloc_rx_skb for full details.
4354  */
4355 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
4356                            int src_idx, u32 dest_idx_unmasked)
4357 {
4358         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4359         struct ring_info *src_map, *dest_map;
4360         int dest_idx;
4361
4362         switch (opaque_key) {
4363         case RXD_OPAQUE_RING_STD:
4364                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4365                 dest_desc = &tp->rx_std[dest_idx];
4366                 dest_map = &tp->rx_std_buffers[dest_idx];
4367                 src_desc = &tp->rx_std[src_idx];
4368                 src_map = &tp->rx_std_buffers[src_idx];
4369                 break;
4370
4371         case RXD_OPAQUE_RING_JUMBO:
4372                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4373                 dest_desc = &tp->rx_jumbo[dest_idx];
4374                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
4375                 src_desc = &tp->rx_jumbo[src_idx];
4376                 src_map = &tp->rx_jumbo_buffers[src_idx];
4377                 break;
4378
4379         default:
4380                 return;
4381         }
4382
4383         dest_map->skb = src_map->skb;
4384         pci_unmap_addr_set(dest_map, mapping,
4385                            pci_unmap_addr(src_map, mapping));
4386         dest_desc->addr_hi = src_desc->addr_hi;
4387         dest_desc->addr_lo = src_desc->addr_lo;
4388
4389         src_map->skb = NULL;
4390 }
4391
4392 #if TG3_VLAN_TAG_USED
4393 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
4394 {
4395         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
4396 }
4397 #endif
4398
4399 /* The RX ring scheme is composed of multiple rings which post fresh
4400  * buffers to the chip, and one special ring the chip uses to report
4401  * status back to the host.
4402  *
4403  * The special ring reports the status of received packets to the
4404  * host.  The chip does not write into the original descriptor the
4405  * RX buffer was obtained from.  The chip simply takes the original
4406  * descriptor as provided by the host, updates the status and length
4407  * field, then writes this into the next status ring entry.
4408  *
4409  * Each ring the host uses to post buffers to the chip is described
4410  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
4411  * it is first placed into the on-chip ram.  When the packet's length
4412  * is known, it walks down the TG3_BDINFO entries to select the ring.
4413  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4414  * which is within the range of the new packet's length is chosen.
4415  *
4416  * The "separate ring for rx status" scheme may sound queer, but it makes
4417  * sense from a cache coherency perspective.  If only the host writes
4418  * to the buffer post rings, and only the chip writes to the rx status
4419  * rings, then cache lines never move beyond shared-modified state.
4420  * If both the host and chip were to write into the same ring, cache line
4421  * eviction could occur since both entities want it in an exclusive state.
4422  */
4423 static int tg3_rx(struct tg3 *tp, int budget)
4424 {
4425         u32 work_mask, rx_std_posted = 0;
4426         u32 sw_idx = tp->rx_rcb_ptr;
4427         u16 hw_idx;
4428         int received;
4429
4430         hw_idx = tp->hw_status->idx[0].rx_producer;
4431         /*
4432          * We need to order the read of hw_idx and the read of
4433          * the opaque cookie.
4434          */
4435         rmb();
4436         work_mask = 0;
4437         received = 0;
4438         while (sw_idx != hw_idx && budget > 0) {
4439                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
4440                 unsigned int len;
4441                 struct sk_buff *skb;
4442                 dma_addr_t dma_addr;
4443                 u32 opaque_key, desc_idx, *post_ptr;
4444
4445                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4446                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4447                 if (opaque_key == RXD_OPAQUE_RING_STD) {
4448                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
4449                                                   mapping);
4450                         skb = tp->rx_std_buffers[desc_idx].skb;
4451                         post_ptr = &tp->rx_std_ptr;
4452                         rx_std_posted++;
4453                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4454                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
4455                                                   mapping);
4456                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
4457                         post_ptr = &tp->rx_jumbo_ptr;
4458                 }
4459                 else {
4460                         goto next_pkt_nopost;
4461                 }
4462
4463                 work_mask |= opaque_key;
4464
4465                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4466                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4467                 drop_it:
4468                         tg3_recycle_rx(tp, opaque_key,
4469                                        desc_idx, *post_ptr);
4470                 drop_it_no_recycle:
4471                         /* Other statistics kept track of by card. */
4472                         tp->net_stats.rx_dropped++;
4473                         goto next_pkt;
4474                 }
4475
4476                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4477                       ETH_FCS_LEN;
4478
4479                 if (len > RX_COPY_THRESHOLD
4480                         && tp->rx_offset == NET_IP_ALIGN
4481                         /* rx_offset will likely not equal NET_IP_ALIGN
4482                          * if this is a 5701 card running in PCI-X mode
4483                          * [see tg3_get_invariants()]
4484                          */
4485                 ) {
4486                         int skb_size;
4487
4488                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
4489                                                     desc_idx, *post_ptr);
4490                         if (skb_size < 0)
4491                                 goto drop_it;
4492
4493                         pci_unmap_single(tp->pdev, dma_addr,
4494                                          skb_size - tp->rx_offset,
4495                                          PCI_DMA_FROMDEVICE);
4496
4497                         skb_put(skb, len);
4498                 } else {
4499                         struct sk_buff *copy_skb;
4500
4501                         tg3_recycle_rx(tp, opaque_key,
4502                                        desc_idx, *post_ptr);
4503
4504                         copy_skb = netdev_alloc_skb(tp->dev,
4505                                                     len + TG3_RAW_IP_ALIGN);
4506                         if (copy_skb == NULL)
4507                                 goto drop_it_no_recycle;
4508
4509                         skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4510                         skb_put(copy_skb, len);
4511                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4512                         skb_copy_from_linear_data(skb, copy_skb->data, len);
4513                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4514
4515                         /* We'll reuse the original ring buffer. */
4516                         skb = copy_skb;
4517                 }
4518
4519                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4520                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4521                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4522                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
4523                         skb->ip_summed = CHECKSUM_UNNECESSARY;
4524                 else
4525                         skb->ip_summed = CHECKSUM_NONE;
4526
4527                 skb->protocol = eth_type_trans(skb, tp->dev);
4528
4529                 if (len > (tp->dev->mtu + ETH_HLEN) &&
4530                     skb->protocol != htons(ETH_P_8021Q)) {
4531                         dev_kfree_skb(skb);
4532                         goto next_pkt;
4533                 }
4534
4535 #if TG3_VLAN_TAG_USED
4536                 if (tp->vlgrp != NULL &&
4537                     desc->type_flags & RXD_FLAG_VLAN) {
4538                         tg3_vlan_rx(tp, skb,
4539                                     desc->err_vlan & RXD_VLAN_MASK);
4540                 } else
4541 #endif
4542                         netif_receive_skb(skb);
4543
4544                 received++;
4545                 budget--;
4546
4547 next_pkt:
4548                 (*post_ptr)++;
4549
4550                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4551                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
4552
4553                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
4554                                      TG3_64BIT_REG_LOW, idx);
4555                         work_mask &= ~RXD_OPAQUE_RING_STD;
4556                         rx_std_posted = 0;
4557                 }
4558 next_pkt_nopost:
4559                 sw_idx++;
4560                 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4561
4562                 /* Refresh hw_idx to see if there is new work */
4563                 if (sw_idx == hw_idx) {
4564                         hw_idx = tp->hw_status->idx[0].rx_producer;
4565                         rmb();
4566                 }
4567         }
4568
4569         /* ACK the status ring. */
4570         tp->rx_rcb_ptr = sw_idx;
4571         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
4572
4573         /* Refill RX ring(s). */
4574         if (work_mask & RXD_OPAQUE_RING_STD) {
4575                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
4576                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
4577                              sw_idx);
4578         }
4579         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4580                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
4581                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
4582                              sw_idx);
4583         }
4584         mmiowb();
4585
4586         return received;
4587 }
4588
4589 static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
4590 {
4591         struct tg3_hw_status *sblk = tp->hw_status;
4592
4593         /* handle link change and other phy events */
4594         if (!(tp->tg3_flags &
4595               (TG3_FLAG_USE_LINKCHG_REG |
4596                TG3_FLAG_POLL_SERDES))) {
4597                 if (sblk->status & SD_STATUS_LINK_CHG) {
4598                         sblk->status = SD_STATUS_UPDATED |
4599                                 (sblk->status & ~SD_STATUS_LINK_CHG);
4600                         spin_lock(&tp->lock);
4601                         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4602                                 tw32_f(MAC_STATUS,
4603                                      (MAC_STATUS_SYNC_CHANGED |
4604                                       MAC_STATUS_CFG_CHANGED |
4605                                       MAC_STATUS_MI_COMPLETION |
4606                                       MAC_STATUS_LNKSTATE_CHANGED));
4607                                 udelay(40);
4608                         } else
4609                                 tg3_setup_phy(tp, 0);
4610                         spin_unlock(&tp->lock);
4611                 }
4612         }
4613
4614         /* run TX completion thread */
4615         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
4616                 tg3_tx(tp);
4617                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4618                         return work_done;
4619         }
4620
4621         /* run RX thread, within the bounds set by NAPI.
4622          * All RX "locking" is done by ensuring outside
4623          * code synchronizes with tg3->napi.poll()
4624          */
4625         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
4626                 work_done += tg3_rx(tp, budget - work_done);
4627
4628         return work_done;
4629 }
4630
4631 static int tg3_poll(struct napi_struct *napi, int budget)
4632 {
4633         struct tg3 *tp = container_of(napi, struct tg3, napi);
4634         int work_done = 0;
4635         struct tg3_hw_status *sblk = tp->hw_status;
4636
4637         while (1) {
4638                 work_done = tg3_poll_work(tp, work_done, budget);
4639
4640                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4641                         goto tx_recovery;
4642
4643                 if (unlikely(work_done >= budget))
4644                         break;
4645
4646                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
4647                         /* tp->last_tag is used in tg3_restart_ints() below
4648                          * to tell the hw how much work has been processed,
4649                          * so we must read it before checking for more work.
4650                          */
4651                         tp->last_tag = sblk->status_tag;
4652                         rmb();
4653                 } else
4654                         sblk->status &= ~SD_STATUS_UPDATED;
4655
4656                 if (likely(!tg3_has_work(tp))) {
4657                         napi_complete(napi);
4658                         tg3_restart_ints(tp);
4659                         break;
4660                 }
4661         }
4662
4663         return work_done;
4664
4665 tx_recovery:
4666         /* work_done is guaranteed to be less than budget. */
4667         napi_complete(napi);
4668         schedule_work(&tp->reset_task);
4669         return work_done;
4670 }
4671
4672 static void tg3_irq_quiesce(struct tg3 *tp)
4673 {
4674         BUG_ON(tp->irq_sync);
4675
4676         tp->irq_sync = 1;
4677         smp_mb();
4678
4679         synchronize_irq(tp->pdev->irq);
4680 }
4681
4682 static inline int tg3_irq_sync(struct tg3 *tp)
4683 {
4684         return tp->irq_sync;
4685 }
4686
4687 /* Fully shutdown all tg3 driver activity elsewhere in the system.
4688  * If irq_sync is non-zero, then the IRQ handler must be synchronized
4689  * with as well.  Most of the time, this is not necessary except when
4690  * shutting down the device.
4691  */
4692 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
4693 {
4694         spin_lock_bh(&tp->lock);
4695         if (irq_sync)
4696                 tg3_irq_quiesce(tp);
4697 }
4698
4699 static inline void tg3_full_unlock(struct tg3 *tp)
4700 {
4701         spin_unlock_bh(&tp->lock);
4702 }
4703
4704 /* One-shot MSI handler - Chip automatically disables interrupt
4705  * after sending MSI so driver doesn't have to do it.
4706  */
4707 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
4708 {
4709         struct net_device *dev = dev_id;
4710         struct tg3 *tp = netdev_priv(dev);
4711
4712         prefetch(tp->hw_status);
4713         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4714
4715         if (likely(!tg3_irq_sync(tp)))
4716                 napi_schedule(&tp->napi);
4717
4718         return IRQ_HANDLED;
4719 }
4720
4721 /* MSI ISR - No need to check for interrupt sharing and no need to
4722  * flush status block and interrupt mailbox. PCI ordering rules
4723  * guarantee that MSI will arrive after the status block.
4724  */
4725 static irqreturn_t tg3_msi(int irq, void *dev_id)
4726 {
4727         struct net_device *dev = dev_id;
4728         struct tg3 *tp = netdev_priv(dev);
4729
4730         prefetch(tp->hw_status);
4731         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4732         /*
4733          * Writing any value to intr-mbox-0 clears PCI INTA# and
4734          * chip-internal interrupt pending events.
4735          * Writing non-zero to intr-mbox-0 additional tells the
4736          * NIC to stop sending us irqs, engaging "in-intr-handler"
4737          * event coalescing.
4738          */
4739         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4740         if (likely(!tg3_irq_sync(tp)))
4741                 napi_schedule(&tp->napi);
4742
4743         return IRQ_RETVAL(1);
4744 }
4745
4746 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
4747 {
4748         struct net_device *dev = dev_id;
4749         struct tg3 *tp = netdev_priv(dev);
4750         struct tg3_hw_status *sblk = tp->hw_status;
4751         unsigned int handled = 1;
4752
4753         /* In INTx mode, it is possible for the interrupt to arrive at
4754          * the CPU before the status block posted prior to the interrupt.
4755          * Reading the PCI State register will confirm whether the
4756          * interrupt is ours and will flush the status block.
4757          */
4758         if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
4759                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4760                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4761                         handled = 0;
4762                         goto out;
4763                 }
4764         }
4765
4766         /*
4767          * Writing any value to intr-mbox-0 clears PCI INTA# and
4768          * chip-internal interrupt pending events.
4769          * Writing non-zero to intr-mbox-0 additional tells the
4770          * NIC to stop sending us irqs, engaging "in-intr-handler"
4771          * event coalescing.
4772          *
4773          * Flush the mailbox to de-assert the IRQ immediately to prevent
4774          * spurious interrupts.  The flush impacts performance but
4775          * excessive spurious interrupts can be worse in some cases.
4776          */
4777         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4778         if (tg3_irq_sync(tp))
4779                 goto out;
4780         sblk->status &= ~SD_STATUS_UPDATED;
4781         if (likely(tg3_has_work(tp))) {
4782                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4783                 napi_schedule(&tp->napi);
4784         } else {
4785                 /* No work, shared interrupt perhaps?  re-enable
4786                  * interrupts, and flush that PCI write
4787                  */
4788                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
4789                                0x00000000);
4790         }
4791 out:
4792         return IRQ_RETVAL(handled);
4793 }
4794
4795 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
4796 {
4797         struct net_device *dev = dev_id;
4798         struct tg3 *tp = netdev_priv(dev);
4799         struct tg3_hw_status *sblk = tp->hw_status;
4800         unsigned int handled = 1;
4801
4802         /* In INTx mode, it is possible for the interrupt to arrive at
4803          * the CPU before the status block posted prior to the interrupt.
4804          * Reading the PCI State register will confirm whether the
4805          * interrupt is ours and will flush the status block.
4806          */
4807         if (unlikely(sblk->status_tag == tp->last_tag)) {
4808                 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4809                     (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4810                         handled = 0;
4811                         goto out;
4812                 }
4813         }
4814
4815         /*
4816          * writing any value to intr-mbox-0 clears PCI INTA# and
4817          * chip-internal interrupt pending events.
4818          * writing non-zero to intr-mbox-0 additional tells the
4819          * NIC to stop sending us irqs, engaging "in-intr-handler"
4820          * event coalescing.
4821          *
4822          * Flush the mailbox to de-assert the IRQ immediately to prevent
4823          * spurious interrupts.  The flush impacts performance but
4824          * excessive spurious interrupts can be worse in some cases.
4825          */
4826         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4827         if (tg3_irq_sync(tp))
4828                 goto out;
4829         if (napi_schedule_prep(&tp->napi)) {
4830                 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4831                 /* Update last_tag to mark that this status has been
4832                  * seen. Because interrupt may be shared, we may be
4833                  * racing with tg3_poll(), so only update last_tag
4834                  * if tg3_poll() is not scheduled.
4835                  */
4836                 tp->last_tag = sblk->status_tag;
4837                 __napi_schedule(&tp->napi);
4838         }
4839 out:
4840         return IRQ_RETVAL(handled);
4841 }
4842
4843 /* ISR for interrupt test */
4844 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
4845 {
4846         struct net_device *dev = dev_id;
4847         struct tg3 *tp = netdev_priv(dev);
4848         struct tg3_hw_status *sblk = tp->hw_status;
4849
4850         if ((sblk->status & SD_STATUS_UPDATED) ||
4851             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4852                 tg3_disable_ints(tp);
4853                 return IRQ_RETVAL(1);
4854         }
4855         return IRQ_RETVAL(0);
4856 }
4857
4858 static int tg3_init_hw(struct tg3 *, int);
4859 static int tg3_halt(struct tg3 *, int, int);
4860
4861 /* Restart hardware after configuration changes, self-test, etc.
4862  * Invoked with tp->lock held.
4863  */
4864 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
4865         __releases(tp->lock)
4866         __acquires(tp->lock)
4867 {
4868         int err;
4869
4870         err = tg3_init_hw(tp, reset_phy);
4871         if (err) {
4872                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
4873                        "aborting.\n", tp->dev->name);
4874                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4875                 tg3_full_unlock(tp);
4876                 del_timer_sync(&tp->timer);
4877                 tp->irq_sync = 0;
4878                 napi_enable(&tp->napi);
4879                 dev_close(tp->dev);
4880                 tg3_full_lock(tp, 0);
4881         }
4882         return err;
4883 }
4884
4885 #ifdef CONFIG_NET_POLL_CONTROLLER
4886 static void tg3_poll_controller(struct net_device *dev)
4887 {
4888         struct tg3 *tp = netdev_priv(dev);
4889
4890         tg3_interrupt(tp->pdev->irq, dev);
4891 }
4892 #endif
4893
4894 static void tg3_reset_task(struct work_struct *work)
4895 {
4896         struct tg3 *tp = container_of(work, struct tg3, reset_task);
4897         int err;
4898         unsigned int restart_timer;
4899
4900         tg3_full_lock(tp, 0);
4901
4902         if (!netif_running(tp->dev)) {
4903                 tg3_full_unlock(tp);
4904                 return;
4905         }
4906
4907         tg3_full_unlock(tp);
4908
4909         tg3_phy_stop(tp);
4910
4911         tg3_netif_stop(tp);
4912
4913         tg3_full_lock(tp, 1);
4914
4915         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
4916         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
4917
4918         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
4919                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
4920                 tp->write32_rx_mbox = tg3_write_flush_reg32;
4921                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
4922                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
4923         }
4924
4925         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
4926         err = tg3_init_hw(tp, 1);
4927         if (err)
4928                 goto out;
4929
4930         tg3_netif_start(tp);
4931
4932         if (restart_timer)
4933                 mod_timer(&tp->timer, jiffies + 1);
4934
4935 out:
4936         tg3_full_unlock(tp);
4937
4938         if (!err)
4939                 tg3_phy_start(tp);
4940 }
4941
4942 static void tg3_dump_short_state(struct tg3 *tp)
4943 {
4944         printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
4945                tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
4946         printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
4947                tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
4948 }
4949
4950 static void tg3_tx_timeout(struct net_device *dev)
4951 {
4952         struct tg3 *tp = netdev_priv(dev);
4953
4954         if (netif_msg_tx_err(tp)) {
4955                 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
4956                        dev->name);
4957                 tg3_dump_short_state(tp);
4958         }
4959
4960         schedule_work(&tp->reset_task);
4961 }
4962
4963 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
4964 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
4965 {
4966         u32 base = (u32) mapping & 0xffffffff;
4967
4968         return ((base > 0xffffdcc0) &&
4969                 (base + len + 8 < base));
4970 }
4971
4972 /* Test for DMA addresses > 40-bit */
4973 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
4974                                           int len)
4975 {
4976 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
4977         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
4978                 return (((u64) mapping + len) > DMA_40BIT_MASK);
4979         return 0;
4980 #else
4981         return 0;
4982 #endif
4983 }
4984
4985 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
4986
4987 /* Workaround 4GB and 40-bit hardware DMA bugs. */
4988 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
4989                                        u32 last_plus_one, u32 *start,
4990                                        u32 base_flags, u32 mss)
4991 {
4992         struct sk_buff *new_skb;
4993         dma_addr_t new_addr = 0;
4994         u32 entry = *start;
4995         int i, ret = 0;
4996
4997         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
4998                 new_skb = skb_copy(skb, GFP_ATOMIC);
4999         else {
5000                 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5001
5002                 new_skb = skb_copy_expand(skb,
5003                                           skb_headroom(skb) + more_headroom,
5004                                           skb_tailroom(skb), GFP_ATOMIC);
5005         }
5006
5007         if (!new_skb) {
5008                 ret = -1;
5009         } else {
5010                 /* New SKB is guaranteed to be linear. */
5011                 entry = *start;
5012                 ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
5013                 new_addr = skb_shinfo(new_skb)->dma_maps[0];
5014
5015                 /* Make sure new skb does not cross any 4G boundaries.
5016                  * Drop the packet if it does.
5017                  */
5018                 if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
5019                         if (!ret)
5020                                 skb_dma_unmap(&tp->pdev->dev, new_skb,
5021                                               DMA_TO_DEVICE);
5022                         ret = -1;
5023                         dev_kfree_skb(new_skb);
5024                         new_skb = NULL;
5025                 } else {
5026                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
5027                                     base_flags, 1 | (mss << 1));
5028                         *start = NEXT_TX(entry);
5029                 }
5030         }
5031
5032         /* Now clean up the sw ring entries. */
5033         i = 0;
5034         while (entry != last_plus_one) {
5035                 if (i == 0) {
5036                         tp->tx_buffers[entry].skb = new_skb;
5037                 } else {
5038                         tp->tx_buffers[entry].skb = NULL;
5039                 }
5040                 entry = NEXT_TX(entry);
5041                 i++;
5042         }
5043
5044         skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5045         dev_kfree_skb(skb);
5046
5047         return ret;
5048 }
5049
5050 static void tg3_set_txd(struct tg3 *tp, int entry,
5051                         dma_addr_t mapping, int len, u32 flags,
5052                         u32 mss_and_is_end)
5053 {
5054         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
5055         int is_end = (mss_and_is_end & 0x1);
5056         u32 mss = (mss_and_is_end >> 1);
5057         u32 vlan_tag = 0;
5058
5059         if (is_end)
5060                 flags |= TXD_FLAG_END;
5061         if (flags & TXD_FLAG_VLAN) {
5062                 vlan_tag = flags >> 16;
5063                 flags &= 0xffff;
5064         }
5065         vlan_tag |= (mss << TXD_MSS_SHIFT);
5066
5067         txd->addr_hi = ((u64) mapping >> 32);
5068         txd->addr_lo = ((u64) mapping & 0xffffffff);
5069         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5070         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5071 }
5072
5073 /* hard_start_xmit for devices that don't have any bugs and
5074  * support TG3_FLG2_HW_TSO_2 only.
5075  */
5076 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5077 {
5078         struct tg3 *tp = netdev_priv(dev);
5079         u32 len, entry, base_flags, mss;
5080         struct skb_shared_info *sp;
5081         dma_addr_t mapping;
5082
5083         len = skb_headlen(skb);
5084
5085         /* We are running in BH disabled context with netif_tx_lock
5086          * and TX reclaim runs via tp->napi.poll inside of a software
5087          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5088          * no IRQ context deadlocks to worry about either.  Rejoice!
5089          */
5090         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5091                 if (!netif_queue_stopped(dev)) {
5092                         netif_stop_queue(dev);
5093
5094                         /* This is a hard error, log it. */
5095                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5096                                "queue awake!\n", dev->name);
5097                 }
5098                 return NETDEV_TX_BUSY;
5099         }
5100
5101         entry = tp->tx_prod;
5102         base_flags = 0;
5103         mss = 0;
5104         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5105                 int tcp_opt_len, ip_tcp_len;
5106
5107                 if (skb_header_cloned(skb) &&
5108                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5109                         dev_kfree_skb(skb);
5110                         goto out_unlock;
5111                 }
5112
5113                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5114                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
5115                 else {
5116                         struct iphdr *iph = ip_hdr(skb);
5117
5118                         tcp_opt_len = tcp_optlen(skb);
5119                         ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5120
5121                         iph->check = 0;
5122                         iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5123                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
5124                 }
5125
5126                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5127                                TXD_FLAG_CPU_POST_DMA);
5128
5129                 tcp_hdr(skb)->check = 0;
5130
5131         }
5132         else if (skb->ip_summed == CHECKSUM_PARTIAL)
5133                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5134 #if TG3_VLAN_TAG_USED
5135         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5136                 base_flags |= (TXD_FLAG_VLAN |
5137                                (vlan_tx_tag_get(skb) << 16));
5138 #endif
5139
5140         if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5141                 dev_kfree_skb(skb);
5142                 goto out_unlock;
5143         }
5144
5145         sp = skb_shinfo(skb);
5146
5147         mapping = sp->dma_maps[0];
5148
5149         tp->tx_buffers[entry].skb = skb;
5150
5151         tg3_set_txd(tp, entry, mapping, len, base_flags,
5152                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5153
5154         entry = NEXT_TX(entry);
5155
5156         /* Now loop through additional data fragments, and queue them. */
5157         if (skb_shinfo(skb)->nr_frags > 0) {
5158                 unsigned int i, last;
5159
5160                 last = skb_shinfo(skb)->nr_frags - 1;
5161                 for (i = 0; i <= last; i++) {
5162                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5163
5164                         len = frag->size;
5165                         mapping = sp->dma_maps[i + 1];
5166                         tp->tx_buffers[entry].skb = NULL;
5167
5168                         tg3_set_txd(tp, entry, mapping, len,
5169                                     base_flags, (i == last) | (mss << 1));
5170
5171                         entry = NEXT_TX(entry);
5172                 }
5173         }
5174
5175         /* Packets are ready, update Tx producer idx local and on card. */
5176         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
5177
5178         tp->tx_prod = entry;
5179         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5180                 netif_stop_queue(dev);
5181                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5182                         netif_wake_queue(tp->dev);
5183         }
5184
5185 out_unlock:
5186         mmiowb();
5187
5188         dev->trans_start = jiffies;
5189
5190         return NETDEV_TX_OK;
5191 }
5192
5193 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
5194
5195 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5196  * TSO header is greater than 80 bytes.
5197  */
5198 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5199 {
5200         struct sk_buff *segs, *nskb;
5201
5202         /* Estimate the number of fragments in the worst case */
5203         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
5204                 netif_stop_queue(tp->dev);
5205                 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
5206                         return NETDEV_TX_BUSY;
5207
5208                 netif_wake_queue(tp->dev);
5209         }
5210
5211         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5212         if (IS_ERR(segs))
5213                 goto tg3_tso_bug_end;
5214
5215         do {
5216                 nskb = segs;
5217                 segs = segs->next;
5218                 nskb->next = NULL;
5219                 tg3_start_xmit_dma_bug(nskb, tp->dev);
5220         } while (segs);
5221
5222 tg3_tso_bug_end:
5223         dev_kfree_skb(skb);
5224
5225         return NETDEV_TX_OK;
5226 }
5227
5228 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5229  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5230  */
5231 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
5232 {
5233         struct tg3 *tp = netdev_priv(dev);
5234         u32 len, entry, base_flags, mss;
5235         struct skb_shared_info *sp;
5236         int would_hit_hwbug;
5237         dma_addr_t mapping;
5238
5239         len = skb_headlen(skb);
5240
5241         /* We are running in BH disabled context with netif_tx_lock
5242          * and TX reclaim runs via tp->napi.poll inside of a software
5243          * interrupt.  Furthermore, IRQ processing runs lockless so we have
5244          * no IRQ context deadlocks to worry about either.  Rejoice!
5245          */
5246         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5247                 if (!netif_queue_stopped(dev)) {
5248                         netif_stop_queue(dev);
5249
5250                         /* This is a hard error, log it. */
5251                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5252                                "queue awake!\n", dev->name);
5253                 }
5254                 return NETDEV_TX_BUSY;
5255         }
5256
5257         entry = tp->tx_prod;
5258         base_flags = 0;
5259         if (skb->ip_summed == CHECKSUM_PARTIAL)
5260                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5261         mss = 0;
5262         if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5263                 struct iphdr *iph;
5264                 int tcp_opt_len, ip_tcp_len, hdr_len;
5265
5266                 if (skb_header_cloned(skb) &&
5267                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5268                         dev_kfree_skb(skb);
5269                         goto out_unlock;
5270                 }
5271
5272                 tcp_opt_len = tcp_optlen(skb);
5273                 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5274
5275                 hdr_len = ip_tcp_len + tcp_opt_len;
5276                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5277                              (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5278                         return (tg3_tso_bug(tp, skb));
5279
5280                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5281                                TXD_FLAG_CPU_POST_DMA);
5282
5283                 iph = ip_hdr(skb);
5284                 iph->check = 0;
5285                 iph->tot_len = htons(mss + hdr_len);
5286                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5287                         tcp_hdr(skb)->check = 0;
5288                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5289                 } else
5290                         tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5291                                                                  iph->daddr, 0,
5292                                                                  IPPROTO_TCP,
5293                                                                  0);
5294
5295                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
5296                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
5297                         if (tcp_opt_len || iph->ihl > 5) {
5298                                 int tsflags;
5299
5300                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5301                                 mss |= (tsflags << 11);
5302                         }
5303                 } else {
5304                         if (tcp_opt_len || iph->ihl > 5) {
5305                                 int tsflags;
5306
5307                                 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5308                                 base_flags |= tsflags << 12;
5309                         }
5310                 }
5311         }
5312 #if TG3_VLAN_TAG_USED
5313         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5314                 base_flags |= (TXD_FLAG_VLAN |
5315                                (vlan_tx_tag_get(skb) << 16));
5316 #endif
5317
5318         if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5319                 dev_kfree_skb(skb);
5320                 goto out_unlock;
5321         }
5322
5323         sp = skb_shinfo(skb);
5324
5325         mapping = sp->dma_maps[0];
5326
5327         tp->tx_buffers[entry].skb = skb;
5328
5329         would_hit_hwbug = 0;
5330
5331         if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5332                 would_hit_hwbug = 1;
5333         else if (tg3_4g_overflow_test(mapping, len))
5334                 would_hit_hwbug = 1;
5335
5336         tg3_set_txd(tp, entry, mapping, len, base_flags,
5337                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5338
5339         entry = NEXT_TX(entry);
5340
5341         /* Now loop through additional data fragments, and queue them. */
5342         if (skb_shinfo(skb)->nr_frags > 0) {
5343                 unsigned int i, last;
5344
5345                 last = skb_shinfo(skb)->nr_frags - 1;
5346                 for (i = 0; i <= last; i++) {
5347                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5348
5349                         len = frag->size;
5350                         mapping = sp->dma_maps[i + 1];
5351
5352                         tp->tx_buffers[entry].skb = NULL;
5353
5354                         if (tg3_4g_overflow_test(mapping, len))
5355                                 would_hit_hwbug = 1;
5356
5357                         if (tg3_40bit_overflow_test(tp, mapping, len))
5358                                 would_hit_hwbug = 1;
5359
5360                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5361                                 tg3_set_txd(tp, entry, mapping, len,
5362                                             base_flags, (i == last)|(mss << 1));
5363                         else
5364                                 tg3_set_txd(tp, entry, mapping, len,
5365                                             base_flags, (i == last));
5366
5367                         entry = NEXT_TX(entry);
5368                 }
5369         }
5370
5371         if (would_hit_hwbug) {
5372                 u32 last_plus_one = entry;
5373                 u32 start;
5374
5375                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5376                 start &= (TG3_TX_RING_SIZE - 1);
5377
5378                 /* If the workaround fails due to memory/mapping
5379                  * failure, silently drop this packet.
5380                  */
5381                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
5382                                                 &start, base_flags, mss))
5383                         goto out_unlock;
5384
5385                 entry = start;
5386         }
5387
5388         /* Packets are ready, update Tx producer idx local and on card. */
5389         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
5390
5391         tp->tx_prod = entry;
5392         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5393                 netif_stop_queue(dev);
5394                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5395                         netif_wake_queue(tp->dev);
5396         }
5397
5398 out_unlock:
5399         mmiowb();
5400
5401         dev->trans_start = jiffies;
5402
5403         return NETDEV_TX_OK;
5404 }
5405
5406 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5407                                int new_mtu)
5408 {
5409         dev->mtu = new_mtu;
5410
5411         if (new_mtu > ETH_DATA_LEN) {
5412                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5413                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5414                         ethtool_op_set_tso(dev, 0);
5415                 }
5416                 else
5417                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5418         } else {
5419                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5420                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5421                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5422         }
5423 }
5424
5425 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5426 {
5427         struct tg3 *tp = netdev_priv(dev);
5428         int err;
5429
5430         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5431                 return -EINVAL;
5432
5433         if (!netif_running(dev)) {
5434                 /* We'll just catch it later when the
5435                  * device is up'd.
5436                  */
5437                 tg3_set_mtu(dev, tp, new_mtu);
5438                 return 0;
5439         }
5440
5441         tg3_phy_stop(tp);
5442
5443         tg3_netif_stop(tp);
5444
5445         tg3_full_lock(tp, 1);
5446
5447         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5448
5449         tg3_set_mtu(dev, tp, new_mtu);
5450
5451         err = tg3_restart_hw(tp, 0);
5452
5453         if (!err)
5454                 tg3_netif_start(tp);
5455
5456         tg3_full_unlock(tp);
5457
5458         if (!err)
5459                 tg3_phy_start(tp);
5460
5461         return err;
5462 }
5463
5464 /* Free up pending packets in all rx/tx rings.
5465  *
5466  * The chip has been shut down and the driver detached from
5467  * the networking, so no interrupts or new tx packets will
5468  * end up in the driver.  tp->{tx,}lock is not held and we are not
5469  * in an interrupt context and thus may sleep.
5470  */
5471 static void tg3_free_rings(struct tg3 *tp)
5472 {
5473         struct ring_info *rxp;
5474         int i;
5475
5476         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5477                 rxp = &tp->rx_std_buffers[i];
5478
5479                 if (rxp->skb == NULL)
5480                         continue;
5481                 pci_unmap_single(tp->pdev,
5482                                  pci_unmap_addr(rxp, mapping),
5483                                  tp->rx_pkt_buf_sz - tp->rx_offset,
5484                                  PCI_DMA_FROMDEVICE);
5485                 dev_kfree_skb_any(rxp->skb);
5486                 rxp->skb = NULL;
5487         }
5488
5489         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5490                 rxp = &tp->rx_jumbo_buffers[i];
5491
5492                 if (rxp->skb == NULL)
5493                         continue;
5494                 pci_unmap_single(tp->pdev,
5495                                  pci_unmap_addr(rxp, mapping),
5496                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
5497                                  PCI_DMA_FROMDEVICE);
5498                 dev_kfree_skb_any(rxp->skb);
5499                 rxp->skb = NULL;
5500         }
5501
5502         for (i = 0; i < TG3_TX_RING_SIZE; ) {
5503                 struct tx_ring_info *txp;
5504                 struct sk_buff *skb;
5505
5506                 txp = &tp->tx_buffers[i];
5507                 skb = txp->skb;
5508
5509                 if (skb == NULL) {
5510                         i++;
5511                         continue;
5512                 }
5513
5514                 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5515
5516                 txp->skb = NULL;
5517
5518                 i += skb_shinfo(skb)->nr_frags + 1;
5519
5520                 dev_kfree_skb_any(skb);
5521         }
5522 }
5523
5524 /* Initialize tx/rx rings for packet processing.
5525  *
5526  * The chip has been shut down and the driver detached from
5527  * the networking, so no interrupts or new tx packets will
5528  * end up in the driver.  tp->{tx,}lock are held and thus
5529  * we may not sleep.
5530  */
5531 static int tg3_init_rings(struct tg3 *tp)
5532 {
5533         u32 i;
5534
5535         /* Free up all the SKBs. */
5536         tg3_free_rings(tp);
5537
5538         /* Zero out all descriptors. */
5539         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
5540         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
5541         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
5542         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
5543
5544         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
5545         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
5546             (tp->dev->mtu > ETH_DATA_LEN))
5547                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
5548
5549         /* Initialize invariants of the rings, we only set this
5550          * stuff once.  This works because the card does not
5551          * write into the rx buffer posting rings.
5552          */
5553         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5554                 struct tg3_rx_buffer_desc *rxd;
5555
5556                 rxd = &tp->rx_std[i];
5557                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
5558                         << RXD_LEN_SHIFT;
5559                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5560                 rxd->opaque = (RXD_OPAQUE_RING_STD |
5561                                (i << RXD_OPAQUE_INDEX_SHIFT));
5562         }
5563
5564         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5565                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5566                         struct tg3_rx_buffer_desc *rxd;
5567
5568                         rxd = &tp->rx_jumbo[i];
5569                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
5570                                 << RXD_LEN_SHIFT;
5571                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
5572                                 RXD_FLAG_JUMBO;
5573                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
5574                                (i << RXD_OPAQUE_INDEX_SHIFT));
5575                 }
5576         }
5577
5578         /* Now allocate fresh SKBs for each rx ring. */
5579         for (i = 0; i < tp->rx_pending; i++) {
5580                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
5581                         printk(KERN_WARNING PFX
5582                                "%s: Using a smaller RX standard ring, "
5583                                "only %d out of %d buffers were allocated "
5584                                "successfully.\n",
5585                                tp->dev->name, i, tp->rx_pending);
5586                         if (i == 0)
5587                                 return -ENOMEM;
5588                         tp->rx_pending = i;
5589                         break;
5590                 }
5591         }
5592
5593         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5594                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
5595                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
5596                                              -1, i) < 0) {
5597                                 printk(KERN_WARNING PFX
5598                                        "%s: Using a smaller RX jumbo ring, "
5599                                        "only %d out of %d buffers were "
5600                                        "allocated successfully.\n",
5601                                        tp->dev->name, i, tp->rx_jumbo_pending);
5602                                 if (i == 0) {
5603                                         tg3_free_rings(tp);
5604                                         return -ENOMEM;
5605                                 }
5606                                 tp->rx_jumbo_pending = i;
5607                                 break;
5608                         }
5609                 }
5610         }
5611         return 0;
5612 }
5613
5614 /*
5615  * Must not be invoked with interrupt sources disabled and
5616  * the hardware shutdown down.
5617  */
5618 static void tg3_free_consistent(struct tg3 *tp)
5619 {
5620         kfree(tp->rx_std_buffers);
5621         tp->rx_std_buffers = NULL;
5622         if (tp->rx_std) {
5623                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
5624                                     tp->rx_std, tp->rx_std_mapping);
5625                 tp->rx_std = NULL;
5626         }
5627         if (tp->rx_jumbo) {
5628                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5629                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
5630                 tp->rx_jumbo = NULL;
5631         }
5632         if (tp->rx_rcb) {
5633                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5634                                     tp->rx_rcb, tp->rx_rcb_mapping);
5635                 tp->rx_rcb = NULL;
5636         }
5637         if (tp->tx_ring) {
5638                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
5639                         tp->tx_ring, tp->tx_desc_mapping);
5640                 tp->tx_ring = NULL;
5641         }
5642         if (tp->hw_status) {
5643                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
5644                                     tp->hw_status, tp->status_mapping);
5645                 tp->hw_status = NULL;
5646         }
5647         if (tp->hw_stats) {
5648                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
5649                                     tp->hw_stats, tp->stats_mapping);
5650                 tp->hw_stats = NULL;
5651         }
5652 }
5653
5654 /*
5655  * Must not be invoked with interrupt sources disabled and
5656  * the hardware shutdown down.  Can sleep.
5657  */
5658 static int tg3_alloc_consistent(struct tg3 *tp)
5659 {
5660         tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
5661                                       (TG3_RX_RING_SIZE +
5662                                        TG3_RX_JUMBO_RING_SIZE)) +
5663                                      (sizeof(struct tx_ring_info) *
5664                                       TG3_TX_RING_SIZE),
5665                                      GFP_KERNEL);
5666         if (!tp->rx_std_buffers)
5667                 return -ENOMEM;
5668
5669         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
5670         tp->tx_buffers = (struct tx_ring_info *)
5671                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
5672
5673         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
5674                                           &tp->rx_std_mapping);
5675         if (!tp->rx_std)
5676                 goto err_out;
5677
5678         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5679                                             &tp->rx_jumbo_mapping);
5680
5681         if (!tp->rx_jumbo)
5682                 goto err_out;
5683
5684         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5685                                           &tp->rx_rcb_mapping);
5686         if (!tp->rx_rcb)
5687                 goto err_out;
5688
5689         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
5690                                            &tp->tx_desc_mapping);
5691         if (!tp->tx_ring)
5692                 goto err_out;
5693
5694         tp->hw_status = pci_alloc_consistent(tp->pdev,
5695                                              TG3_HW_STATUS_SIZE,
5696                                              &tp->status_mapping);
5697         if (!tp->hw_status)
5698                 goto err_out;
5699
5700         tp->hw_stats = pci_alloc_consistent(tp->pdev,
5701                                             sizeof(struct tg3_hw_stats),
5702                                             &tp->stats_mapping);
5703         if (!tp->hw_stats)
5704                 goto err_out;
5705
5706         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5707         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5708
5709         return 0;
5710
5711 err_out:
5712         tg3_free_consistent(tp);
5713         return -ENOMEM;
5714 }
5715
5716 #define MAX_WAIT_CNT 1000
5717
5718 /* To stop a block, clear the enable bit and poll till it
5719  * clears.  tp->lock is held.
5720  */
5721 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
5722 {
5723         unsigned int i;
5724         u32 val;
5725
5726         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
5727                 switch (ofs) {
5728                 case RCVLSC_MODE:
5729                 case DMAC_MODE:
5730                 case MBFREE_MODE:
5731                 case BUFMGR_MODE:
5732                 case MEMARB_MODE:
5733                         /* We can't enable/disable these bits of the
5734                          * 5705/5750, just say success.
5735                          */
5736                         return 0;
5737
5738                 default:
5739                         break;
5740                 }
5741         }
5742
5743         val = tr32(ofs);
5744         val &= ~enable_bit;
5745         tw32_f(ofs, val);
5746
5747         for (i = 0; i < MAX_WAIT_CNT; i++) {
5748                 udelay(100);
5749                 val = tr32(ofs);
5750                 if ((val & enable_bit) == 0)
5751                         break;
5752         }
5753
5754         if (i == MAX_WAIT_CNT && !silent) {
5755                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
5756                        "ofs=%lx enable_bit=%x\n",
5757                        ofs, enable_bit);
5758                 return -ENODEV;
5759         }
5760
5761         return 0;
5762 }
5763
5764 /* tp->lock is held. */
5765 static int tg3_abort_hw(struct tg3 *tp, int silent)
5766 {
5767         int i, err;
5768
5769         tg3_disable_ints(tp);
5770
5771         tp->rx_mode &= ~RX_MODE_ENABLE;
5772         tw32_f(MAC_RX_MODE, tp->rx_mode);
5773         udelay(10);
5774
5775         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
5776         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
5777         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
5778         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
5779         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
5780         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
5781
5782         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
5783         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
5784         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
5785         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
5786         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
5787         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
5788         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
5789
5790         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
5791         tw32_f(MAC_MODE, tp->mac_mode);
5792         udelay(40);
5793
5794         tp->tx_mode &= ~TX_MODE_ENABLE;
5795         tw32_f(MAC_TX_MODE, tp->tx_mode);
5796
5797         for (i = 0; i < MAX_WAIT_CNT; i++) {
5798                 udelay(100);
5799                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
5800                         break;
5801         }
5802         if (i >= MAX_WAIT_CNT) {
5803                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
5804                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
5805                        tp->dev->name, tr32(MAC_TX_MODE));
5806                 err |= -ENODEV;
5807         }
5808
5809         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
5810         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
5811         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
5812
5813         tw32(FTQ_RESET, 0xffffffff);
5814         tw32(FTQ_RESET, 0x00000000);
5815
5816         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
5817         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
5818
5819         if (tp->hw_status)
5820                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5821         if (tp->hw_stats)
5822                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5823
5824         return err;
5825 }
5826
5827 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
5828 {
5829         int i;
5830         u32 apedata;
5831
5832         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
5833         if (apedata != APE_SEG_SIG_MAGIC)
5834                 return;
5835
5836         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
5837         if (!(apedata & APE_FW_STATUS_READY))
5838                 return;
5839
5840         /* Wait for up to 1 millisecond for APE to service previous event. */
5841         for (i = 0; i < 10; i++) {
5842                 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
5843                         return;
5844
5845                 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
5846
5847                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5848                         tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
5849                                         event | APE_EVENT_STATUS_EVENT_PENDING);
5850
5851                 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
5852
5853                 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5854                         break;
5855
5856                 udelay(100);
5857         }
5858
5859         if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5860                 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
5861 }
5862
5863 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
5864 {
5865         u32 event;
5866         u32 apedata;
5867
5868         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
5869                 return;
5870
5871         switch (kind) {
5872                 case RESET_KIND_INIT:
5873                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
5874                                         APE_HOST_SEG_SIG_MAGIC);
5875                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
5876                                         APE_HOST_SEG_LEN_MAGIC);
5877                         apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
5878                         tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
5879                         tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
5880                                         APE_HOST_DRIVER_ID_MAGIC);
5881                         tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
5882                                         APE_HOST_BEHAV_NO_PHYLOCK);
5883
5884                         event = APE_EVENT_STATUS_STATE_START;
5885                         break;
5886                 case RESET_KIND_SHUTDOWN:
5887                         /* With the interface we are currently using,
5888                          * APE does not track driver state.  Wiping
5889                          * out the HOST SEGMENT SIGNATURE forces
5890                          * the APE to assume OS absent status.
5891                          */
5892                         tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
5893
5894                         event = APE_EVENT_STATUS_STATE_UNLOAD;
5895                         break;
5896                 case RESET_KIND_SUSPEND:
5897                         event = APE_EVENT_STATUS_STATE_SUSPEND;
5898                         break;
5899                 default:
5900                         return;
5901         }
5902
5903         event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
5904
5905         tg3_ape_send_event(tp, event);
5906 }
5907
5908 /* tp->lock is held. */
5909 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
5910 {
5911         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
5912                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
5913
5914         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
5915                 switch (kind) {
5916                 case RESET_KIND_INIT:
5917                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5918                                       DRV_STATE_START);
5919                         break;
5920
5921                 case RESET_KIND_SHUTDOWN:
5922                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5923                                       DRV_STATE_UNLOAD);
5924                         break;
5925
5926                 case RESET_KIND_SUSPEND:
5927                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5928                                       DRV_STATE_SUSPEND);
5929                         break;
5930
5931                 default:
5932                         break;
5933                 }
5934         }
5935
5936         if (kind == RESET_KIND_INIT ||
5937             kind == RESET_KIND_SUSPEND)
5938                 tg3_ape_driver_state_change(tp, kind);
5939 }
5940
5941 /* tp->lock is held. */
5942 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
5943 {
5944         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
5945                 switch (kind) {
5946                 case RESET_KIND_INIT:
5947                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5948                                       DRV_STATE_START_DONE);
5949                         break;
5950
5951                 case RESET_KIND_SHUTDOWN:
5952                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5953                                       DRV_STATE_UNLOAD_DONE);
5954                         break;
5955
5956                 default:
5957                         break;
5958                 }
5959         }
5960
5961         if (kind == RESET_KIND_SHUTDOWN)
5962                 tg3_ape_driver_state_change(tp, kind);
5963 }
5964
5965 /* tp->lock is held. */
5966 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
5967 {
5968         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5969                 switch (kind) {
5970                 case RESET_KIND_INIT:
5971                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5972                                       DRV_STATE_START);
5973                         break;
5974
5975                 case RESET_KIND_SHUTDOWN:
5976                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5977                                       DRV_STATE_UNLOAD);
5978                         break;
5979
5980                 case RESET_KIND_SUSPEND:
5981                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5982                                       DRV_STATE_SUSPEND);
5983                         break;
5984
5985                 default:
5986                         break;
5987                 }
5988         }
5989 }
5990
5991 static int tg3_poll_fw(struct tg3 *tp)
5992 {
5993         int i;
5994         u32 val;
5995
5996         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5997                 /* Wait up to 20ms for init done. */
5998                 for (i = 0; i < 200; i++) {
5999                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6000                                 return 0;
6001                         udelay(100);
6002                 }
6003                 return -ENODEV;
6004         }
6005
6006         /* Wait for firmware initialization to complete. */
6007         for (i = 0; i < 100000; i++) {
6008                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6009                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6010                         break;
6011                 udelay(10);
6012         }
6013
6014         /* Chip might not be fitted with firmware.  Some Sun onboard
6015          * parts are configured like that.  So don't signal the timeout
6016          * of the above loop as an error, but do report the lack of
6017          * running firmware once.
6018          */
6019         if (i >= 100000 &&
6020             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6021                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6022
6023                 printk(KERN_INFO PFX "%s: No firmware running.\n",
6024                        tp->dev->name);
6025         }
6026
6027         return 0;
6028 }
6029
6030 /* Save PCI command register before chip reset */
6031 static void tg3_save_pci_state(struct tg3 *tp)
6032 {
6033         pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6034 }
6035
6036 /* Restore PCI state after chip reset */
6037 static void tg3_restore_pci_state(struct tg3 *tp)
6038 {
6039         u32 val;
6040
6041         /* Re-enable indirect register accesses. */
6042         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6043                                tp->misc_host_ctrl);
6044
6045         /* Set MAX PCI retry to zero. */
6046         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6047         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6048             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6049                 val |= PCISTATE_RETRY_SAME_DMA;
6050         /* Allow reads and writes to the APE register and memory space. */
6051         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6052                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6053                        PCISTATE_ALLOW_APE_SHMEM_WR;
6054         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6055
6056         pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6057
6058         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6059                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6060                         pcie_set_readrq(tp->pdev, 4096);
6061                 else {
6062                         pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6063                                               tp->pci_cacheline_sz);
6064                         pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6065                                               tp->pci_lat_timer);
6066                 }
6067         }
6068
6069         /* Make sure PCI-X relaxed ordering bit is clear. */
6070         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6071                 u16 pcix_cmd;
6072
6073                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6074                                      &pcix_cmd);
6075                 pcix_cmd &= ~PCI_X_CMD_ERO;
6076                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6077                                       pcix_cmd);
6078         }
6079
6080         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6081
6082                 /* Chip reset on 5780 will reset MSI enable bit,
6083                  * so need to restore it.
6084                  */
6085                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6086                         u16 ctrl;
6087
6088                         pci_read_config_word(tp->pdev,
6089                                              tp->msi_cap + PCI_MSI_FLAGS,
6090                                              &ctrl);
6091                         pci_write_config_word(tp->pdev,
6092                                               tp->msi_cap + PCI_MSI_FLAGS,
6093                                               ctrl | PCI_MSI_FLAGS_ENABLE);
6094                         val = tr32(MSGINT_MODE);
6095                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6096                 }
6097         }
6098 }
6099
6100 static void tg3_stop_fw(struct tg3 *);
6101
6102 /* tp->lock is held. */
6103 static int tg3_chip_reset(struct tg3 *tp)
6104 {
6105         u32 val;
6106         void (*write_op)(struct tg3 *, u32, u32);
6107         int err;
6108
6109         tg3_nvram_lock(tp);
6110
6111         tg3_mdio_stop(tp);
6112
6113         tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6114
6115         /* No matching tg3_nvram_unlock() after this because
6116          * chip reset below will undo the nvram lock.
6117          */
6118         tp->nvram_lock_cnt = 0;
6119
6120         /* GRC_MISC_CFG core clock reset will clear the memory
6121          * enable bit in PCI register 4 and the MSI enable bit
6122          * on some chips, so we save relevant registers here.
6123          */
6124         tg3_save_pci_state(tp);
6125
6126         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6127             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6128                 tw32(GRC_FASTBOOT_PC, 0);
6129
6130         /*
6131          * We must avoid the readl() that normally takes place.
6132          * It locks machines, causes machine checks, and other
6133          * fun things.  So, temporarily disable the 5701
6134          * hardware workaround, while we do the reset.
6135          */
6136         write_op = tp->write32;
6137         if (write_op == tg3_write_flush_reg32)
6138                 tp->write32 = tg3_write32;
6139
6140         /* Prevent the irq handler from reading or writing PCI registers
6141          * during chip reset when the memory enable bit in the PCI command
6142          * register may be cleared.  The chip does not generate interrupt
6143          * at this time, but the irq handler may still be called due to irq
6144          * sharing or irqpoll.
6145          */
6146         tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6147         if (tp->hw_status) {
6148                 tp->hw_status->status = 0;
6149                 tp->hw_status->status_tag = 0;
6150         }
6151         tp->last_tag = 0;
6152         smp_mb();
6153         synchronize_irq(tp->pdev->irq);
6154
6155         /* do the reset */
6156         val = GRC_MISC_CFG_CORECLK_RESET;
6157
6158         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6159                 if (tr32(0x7e2c) == 0x60) {
6160                         tw32(0x7e2c, 0x20);
6161                 }
6162                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6163                         tw32(GRC_MISC_CFG, (1 << 29));
6164                         val |= (1 << 29);
6165                 }
6166         }
6167
6168         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6169                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6170                 tw32(GRC_VCPU_EXT_CTRL,
6171                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6172         }
6173
6174         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6175                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6176         tw32(GRC_MISC_CFG, val);
6177
6178         /* restore 5701 hardware bug workaround write method */
6179         tp->write32 = write_op;
6180
6181         /* Unfortunately, we have to delay before the PCI read back.
6182          * Some 575X chips even will not respond to a PCI cfg access
6183          * when the reset command is given to the chip.
6184          *
6185          * How do these hardware designers expect things to work
6186          * properly if the PCI write is posted for a long period
6187          * of time?  It is always necessary to have some method by
6188          * which a register read back can occur to push the write
6189          * out which does the reset.
6190          *
6191          * For most tg3 variants the trick below was working.
6192          * Ho hum...
6193          */
6194         udelay(120);
6195
6196         /* Flush PCI posted writes.  The normal MMIO registers
6197          * are inaccessible at this time so this is the only
6198          * way to make this reliably (actually, this is no longer
6199          * the case, see above).  I tried to use indirect
6200          * register read/write but this upset some 5701 variants.
6201          */
6202         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6203
6204         udelay(120);
6205
6206         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6207                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6208                         int i;
6209                         u32 cfg_val;
6210
6211                         /* Wait for link training to complete.  */
6212                         for (i = 0; i < 5000; i++)
6213                                 udelay(100);
6214
6215                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6216                         pci_write_config_dword(tp->pdev, 0xc4,
6217                                                cfg_val | (1 << 15));
6218                 }
6219
6220                 /* Set PCIE max payload size to 128 bytes and
6221                  * clear the "no snoop" and "relaxed ordering" bits.
6222                  */
6223                 pci_write_config_word(tp->pdev,
6224                                       tp->pcie_cap + PCI_EXP_DEVCTL,
6225                                       0);
6226
6227                 pcie_set_readrq(tp->pdev, 4096);
6228
6229                 /* Clear error status */
6230                 pci_write_config_word(tp->pdev,
6231                                       tp->pcie_cap + PCI_EXP_DEVSTA,
6232                                       PCI_EXP_DEVSTA_CED |
6233                                       PCI_EXP_DEVSTA_NFED |
6234                                       PCI_EXP_DEVSTA_FED |
6235                                       PCI_EXP_DEVSTA_URD);
6236         }
6237
6238         tg3_restore_pci_state(tp);
6239
6240         tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6241
6242         val = 0;
6243         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6244                 val = tr32(MEMARB_MODE);
6245         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6246
6247         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6248                 tg3_stop_fw(tp);
6249                 tw32(0x5000, 0x400);
6250         }
6251
6252         tw32(GRC_MODE, tp->grc_mode);
6253
6254         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6255                 val = tr32(0xc4);
6256
6257                 tw32(0xc4, val | (1 << 15));
6258         }
6259
6260         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6261             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6262                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6263                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6264                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6265                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6266         }
6267
6268         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6269                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6270                 tw32_f(MAC_MODE, tp->mac_mode);
6271         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6272                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6273                 tw32_f(MAC_MODE, tp->mac_mode);
6274         } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6275                 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6276                 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6277                         tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6278                 tw32_f(MAC_MODE, tp->mac_mode);
6279         } else
6280                 tw32_f(MAC_MODE, 0);
6281         udelay(40);
6282
6283         tg3_mdio_start(tp);
6284
6285         tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6286
6287         err = tg3_poll_fw(tp);
6288         if (err)
6289                 return err;
6290
6291         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
6292             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6293                 val = tr32(0x7c00);
6294
6295                 tw32(0x7c00, val | (1 << 25));
6296         }
6297
6298         /* Reprobe ASF enable state.  */
6299         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6300         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6301         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6302         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6303                 u32 nic_cfg;
6304
6305                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6306                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6307                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
6308                         tp->last_event_jiffies = jiffies;
6309                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
6310                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6311                 }
6312         }
6313
6314         return 0;
6315 }
6316
6317 /* tp->lock is held. */
6318 static void tg3_stop_fw(struct tg3 *tp)
6319 {
6320         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
6321            !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
6322                 /* Wait for RX cpu to ACK the previous event. */
6323                 tg3_wait_for_event_ack(tp);
6324
6325                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
6326
6327                 tg3_generate_fw_event(tp);
6328
6329                 /* Wait for RX cpu to ACK this event. */
6330                 tg3_wait_for_event_ack(tp);
6331         }
6332 }
6333
6334 /* tp->lock is held. */
6335 static int tg3_halt(struct tg3 *tp, int kind, int silent)
6336 {
6337         int err;
6338
6339         tg3_stop_fw(tp);
6340
6341         tg3_write_sig_pre_reset(tp, kind);
6342
6343         tg3_abort_hw(tp, silent);
6344         err = tg3_chip_reset(tp);
6345
6346         tg3_write_sig_legacy(tp, kind);
6347         tg3_write_sig_post_reset(tp, kind);
6348
6349         if (err)
6350                 return err;
6351
6352         return 0;
6353 }
6354
6355 #define RX_CPU_SCRATCH_BASE     0x30000
6356 #define RX_CPU_SCRATCH_SIZE     0x04000
6357 #define TX_CPU_SCRATCH_BASE     0x34000
6358 #define TX_CPU_SCRATCH_SIZE     0x04000
6359
6360 /* tp->lock is held. */
6361 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
6362 {
6363         int i;
6364
6365         BUG_ON(offset == TX_CPU_BASE &&
6366             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
6367
6368         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6369                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
6370
6371                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
6372                 return 0;
6373         }
6374         if (offset == RX_CPU_BASE) {
6375                 for (i = 0; i < 10000; i++) {
6376                         tw32(offset + CPU_STATE, 0xffffffff);
6377                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
6378                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6379                                 break;
6380                 }
6381
6382                 tw32(offset + CPU_STATE, 0xffffffff);
6383                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
6384                 udelay(10);
6385         } else {
6386                 for (i = 0; i < 10000; i++) {
6387                         tw32(offset + CPU_STATE, 0xffffffff);
6388                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
6389                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6390                                 break;
6391                 }
6392         }
6393
6394         if (i >= 10000) {
6395                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
6396                        "and %s CPU\n",
6397                        tp->dev->name,
6398                        (offset == RX_CPU_BASE ? "RX" : "TX"));
6399                 return -ENODEV;
6400         }
6401
6402         /* Clear firmware's nvram arbitration. */
6403         if (tp->tg3_flags & TG3_FLAG_NVRAM)
6404                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
6405         return 0;
6406 }
6407
6408 struct fw_info {
6409         unsigned int fw_base;
6410         unsigned int fw_len;
6411         const __be32 *fw_data;
6412 };
6413
6414 /* tp->lock is held. */
6415 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
6416                                  int cpu_scratch_size, struct fw_info *info)
6417 {
6418         int err, lock_err, i;
6419         void (*write_op)(struct tg3 *, u32, u32);
6420
6421         if (cpu_base == TX_CPU_BASE &&
6422             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6423                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
6424                        "TX cpu firmware on %s which is 5705.\n",
6425                        tp->dev->name);
6426                 return -EINVAL;
6427         }
6428
6429         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6430                 write_op = tg3_write_mem;
6431         else
6432                 write_op = tg3_write_indirect_reg32;
6433
6434         /* It is possible that bootcode is still loading at this point.
6435          * Get the nvram lock first before halting the cpu.
6436          */
6437         lock_err = tg3_nvram_lock(tp);
6438         err = tg3_halt_cpu(tp, cpu_base);
6439         if (!lock_err)
6440                 tg3_nvram_unlock(tp);
6441         if (err)
6442                 goto out;
6443
6444         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
6445                 write_op(tp, cpu_scratch_base + i, 0);
6446         tw32(cpu_base + CPU_STATE, 0xffffffff);
6447         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
6448         for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
6449                 write_op(tp, (cpu_scratch_base +
6450                               (info->fw_base & 0xffff) +
6451                               (i * sizeof(u32))),
6452                               be32_to_cpu(info->fw_data[i]));
6453
6454         err = 0;
6455
6456 out:
6457         return err;
6458 }
6459
6460 /* tp->lock is held. */
6461 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
6462 {
6463         struct fw_info info;
6464         const __be32 *fw_data;
6465         int err, i;
6466
6467         fw_data = (void *)tp->fw->data;
6468
6469         /* Firmware blob starts with version numbers, followed by
6470            start address and length. We are setting complete length.
6471            length = end_address_of_bss - start_address_of_text.
6472            Remainder is the blob to be loaded contiguously
6473            from start address. */
6474
6475         info.fw_base = be32_to_cpu(fw_data[1]);
6476         info.fw_len = tp->fw->size - 12;
6477         info.fw_data = &fw_data[3];
6478
6479         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
6480                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
6481                                     &info);
6482         if (err)
6483                 return err;
6484
6485         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
6486                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
6487                                     &info);
6488         if (err)
6489                 return err;
6490
6491         /* Now startup only the RX cpu. */
6492         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6493         tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6494
6495         for (i = 0; i < 5; i++) {
6496                 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
6497                         break;
6498                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6499                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
6500                 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6501                 udelay(1000);
6502         }
6503         if (i >= 5) {
6504                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
6505                        "to set RX CPU PC, is %08x should be %08x\n",
6506                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
6507                        info.fw_base);
6508                 return -ENODEV;
6509         }
6510         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6511         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
6512
6513         return 0;
6514 }
6515
6516 /* 5705 needs a special version of the TSO firmware.  */
6517
6518 /* tp->lock is held. */
6519 static int tg3_load_tso_firmware(struct tg3 *tp)
6520 {
6521         struct fw_info info;
6522         const __be32 *fw_data;
6523         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6524         int err, i;
6525
6526         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6527                 return 0;
6528
6529         fw_data = (void *)tp->fw->data;
6530
6531         /* Firmware blob starts with version numbers, followed by
6532            start address and length. We are setting complete length.
6533            length = end_address_of_bss - start_address_of_text.
6534            Remainder is the blob to be loaded contiguously
6535            from start address. */
6536
6537         info.fw_base = be32_to_cpu(fw_data[1]);
6538         cpu_scratch_size = tp->fw_len;
6539         info.fw_len = tp->fw->size - 12;
6540         info.fw_data = &fw_data[3];
6541
6542         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6543                 cpu_base = RX_CPU_BASE;
6544                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6545         } else {
6546                 cpu_base = TX_CPU_BASE;
6547                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6548                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6549         }
6550
6551         err = tg3_load_firmware_cpu(tp, cpu_base,
6552                                     cpu_scratch_base, cpu_scratch_size,
6553                                     &info);
6554         if (err)
6555                 return err;
6556
6557         /* Now startup the cpu. */
6558         tw32(cpu_base + CPU_STATE, 0xffffffff);
6559         tw32_f(cpu_base + CPU_PC, info.fw_base);
6560
6561         for (i = 0; i < 5; i++) {
6562                 if (tr32(cpu_base + CPU_PC) == info.fw_base)
6563                         break;
6564                 tw32(cpu_base + CPU_STATE, 0xffffffff);
6565                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
6566                 tw32_f(cpu_base + CPU_PC, info.fw_base);
6567                 udelay(1000);
6568         }
6569         if (i >= 5) {
6570                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6571                        "to set CPU PC, is %08x should be %08x\n",
6572                        tp->dev->name, tr32(cpu_base + CPU_PC),
6573                        info.fw_base);
6574                 return -ENODEV;
6575         }
6576         tw32(cpu_base + CPU_STATE, 0xffffffff);
6577         tw32_f(cpu_base + CPU_MODE,  0x00000000);
6578         return 0;
6579 }
6580
6581
6582 static int tg3_set_mac_addr(struct net_device *dev, void *p)
6583 {
6584         struct tg3 *tp = netdev_priv(dev);
6585         struct sockaddr *addr = p;
6586         int err = 0, skip_mac_1 = 0;
6587
6588         if (!is_valid_ether_addr(addr->sa_data))
6589                 return -EINVAL;
6590
6591         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6592
6593         if (!netif_running(dev))
6594                 return 0;
6595
6596         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6597                 u32 addr0_high, addr0_low, addr1_high, addr1_low;
6598
6599                 addr0_high = tr32(MAC_ADDR_0_HIGH);
6600                 addr0_low = tr32(MAC_ADDR_0_LOW);
6601                 addr1_high = tr32(MAC_ADDR_1_HIGH);
6602                 addr1_low = tr32(MAC_ADDR_1_LOW);
6603
6604                 /* Skip MAC addr 1 if ASF is using it. */
6605                 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6606                     !(addr1_high == 0 && addr1_low == 0))
6607                         skip_mac_1 = 1;
6608         }
6609         spin_lock_bh(&tp->lock);
6610         __tg3_set_mac_addr(tp, skip_mac_1);
6611         spin_unlock_bh(&tp->lock);
6612
6613         return err;
6614 }
6615
6616 /* tp->lock is held. */
6617 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6618                            dma_addr_t mapping, u32 maxlen_flags,
6619                            u32 nic_addr)
6620 {
6621         tg3_write_mem(tp,
6622                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6623                       ((u64) mapping >> 32));
6624         tg3_write_mem(tp,
6625                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6626                       ((u64) mapping & 0xffffffff));
6627         tg3_write_mem(tp,
6628                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6629                        maxlen_flags);
6630
6631         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6632                 tg3_write_mem(tp,
6633                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6634                               nic_addr);
6635 }
6636
6637 static void __tg3_set_rx_mode(struct net_device *);
6638 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
6639 {
6640         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6641         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6642         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6643         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6644         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6645                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6646                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6647         }
6648         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6649         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6650         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6651                 u32 val = ec->stats_block_coalesce_usecs;
6652
6653                 if (!netif_carrier_ok(tp->dev))
6654                         val = 0;
6655
6656                 tw32(HOSTCC_STAT_COAL_TICKS, val);
6657         }
6658 }
6659
6660 /* tp->lock is held. */
6661 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6662 {
6663         u32 val, rdmac_mode;
6664         int i, err, limit;
6665
6666         tg3_disable_ints(tp);
6667
6668         tg3_stop_fw(tp);
6669
6670         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6671
6672         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6673                 tg3_abort_hw(tp, 1);
6674         }
6675
6676         if (reset_phy &&
6677             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
6678                 tg3_phy_reset(tp);
6679
6680         err = tg3_chip_reset(tp);
6681         if (err)
6682                 return err;
6683
6684         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6685
6686         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
6687                 val = tr32(TG3_CPMU_CTRL);
6688                 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
6689                 tw32(TG3_CPMU_CTRL, val);
6690
6691                 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
6692                 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
6693                 val |= CPMU_LSPD_10MB_MACCLK_6_25;
6694                 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
6695
6696                 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
6697                 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
6698                 val |= CPMU_LNK_AWARE_MACCLK_6_25;
6699                 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
6700
6701                 val = tr32(TG3_CPMU_HST_ACC);
6702                 val &= ~CPMU_HST_ACC_MACCLK_MASK;
6703                 val |= CPMU_HST_ACC_MACCLK_6_25;
6704                 tw32(TG3_CPMU_HST_ACC, val);
6705         }
6706
6707         /* This works around an issue with Athlon chipsets on
6708          * B3 tigon3 silicon.  This bit has no effect on any
6709          * other revision.  But do not set this on PCI Express
6710          * chips and don't even touch the clocks if the CPMU is present.
6711          */
6712         if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
6713                 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6714                         tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6715                 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6716         }
6717
6718         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6719             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6720                 val = tr32(TG3PCI_PCISTATE);
6721                 val |= PCISTATE_RETRY_SAME_DMA;
6722                 tw32(TG3PCI_PCISTATE, val);
6723         }
6724
6725         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6726                 /* Allow reads and writes to the
6727                  * APE register and memory space.
6728                  */
6729                 val = tr32(TG3PCI_PCISTATE);
6730                 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6731                        PCISTATE_ALLOW_APE_SHMEM_WR;
6732                 tw32(TG3PCI_PCISTATE, val);
6733         }
6734
6735         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6736                 /* Enable some hw fixes.  */
6737                 val = tr32(TG3PCI_MSI_DATA);
6738                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6739                 tw32(TG3PCI_MSI_DATA, val);
6740         }
6741
6742         /* Descriptor ring init may make accesses to the
6743          * NIC SRAM area to setup the TX descriptors, so we
6744          * can only do this after the hardware has been
6745          * successfully reset.
6746          */
6747         err = tg3_init_rings(tp);
6748         if (err)
6749                 return err;
6750
6751         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
6752             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
6753                 /* This value is determined during the probe time DMA
6754                  * engine test, tg3_test_dma.
6755                  */
6756                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6757         }
6758
6759         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6760                           GRC_MODE_4X_NIC_SEND_RINGS |
6761                           GRC_MODE_NO_TX_PHDR_CSUM |
6762                           GRC_MODE_NO_RX_PHDR_CSUM);
6763         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6764
6765         /* Pseudo-header checksum is done by hardware logic and not
6766          * the offload processers, so make the chip do the pseudo-
6767          * header checksums on receive.  For transmit it is more
6768          * convenient to do the pseudo-header checksum in software
6769          * as Linux does that on transmit for us in all cases.
6770          */
6771         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6772
6773         tw32(GRC_MODE,
6774              tp->grc_mode |
6775              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6776
6777         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6778         val = tr32(GRC_MISC_CFG);
6779         val &= ~0xff;
6780         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6781         tw32(GRC_MISC_CFG, val);
6782
6783         /* Initialize MBUF/DESC pool. */
6784         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6785                 /* Do nothing.  */
6786         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6787                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6788                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6789                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6790                 else
6791                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6792                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6793                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6794         }
6795         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6796                 int fw_len;
6797
6798                 fw_len = tp->fw_len;
6799                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6800                 tw32(BUFMGR_MB_POOL_ADDR,
6801                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6802                 tw32(BUFMGR_MB_POOL_SIZE,
6803                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6804         }
6805
6806         if (tp->dev->mtu <= ETH_DATA_LEN) {
6807                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6808                      tp->bufmgr_config.mbuf_read_dma_low_water);
6809                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6810                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6811                 tw32(BUFMGR_MB_HIGH_WATER,
6812                      tp->bufmgr_config.mbuf_high_water);
6813         } else {
6814                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6815                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6816                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6817                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6818                 tw32(BUFMGR_MB_HIGH_WATER,
6819                      tp->bufmgr_config.mbuf_high_water_jumbo);
6820         }
6821         tw32(BUFMGR_DMA_LOW_WATER,
6822              tp->bufmgr_config.dma_low_water);
6823         tw32(BUFMGR_DMA_HIGH_WATER,
6824              tp->bufmgr_config.dma_high_water);
6825
6826         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6827         for (i = 0; i < 2000; i++) {
6828                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6829                         break;
6830                 udelay(10);
6831         }
6832         if (i >= 2000) {
6833                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6834                        tp->dev->name);
6835                 return -ENODEV;
6836         }
6837
6838         /* Setup replenish threshold. */
6839         val = tp->rx_pending / 8;
6840         if (val == 0)
6841                 val = 1;
6842         else if (val > tp->rx_std_max_post)
6843                 val = tp->rx_std_max_post;
6844         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6845                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6846                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6847
6848                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6849                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6850         }
6851
6852         tw32(RCVBDI_STD_THRESH, val);
6853
6854         /* Initialize TG3_BDINFO's at:
6855          *  RCVDBDI_STD_BD:     standard eth size rx ring
6856          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6857          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6858          *
6859          * like so:
6860          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6861          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6862          *                              ring attribute flags
6863          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6864          *
6865          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6866          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6867          *
6868          * The size of each ring is fixed in the firmware, but the location is
6869          * configurable.
6870          */
6871         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6872              ((u64) tp->rx_std_mapping >> 32));
6873         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6874              ((u64) tp->rx_std_mapping & 0xffffffff));
6875         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6876              NIC_SRAM_RX_BUFFER_DESC);
6877
6878         /* Don't even try to program the JUMBO/MINI buffer descriptor
6879          * configs on 5705.
6880          */
6881         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6882                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6883                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6884         } else {
6885                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6886                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6887
6888                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6889                      BDINFO_FLAGS_DISABLED);
6890
6891                 /* Setup replenish threshold. */
6892                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6893
6894                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6895                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6896                              ((u64) tp->rx_jumbo_mapping >> 32));
6897                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6898                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6899                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6900                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6901                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6902                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6903                 } else {
6904                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6905                              BDINFO_FLAGS_DISABLED);
6906                 }
6907
6908         }
6909
6910         /* There is only one send ring on 5705/5750, no need to explicitly
6911          * disable the others.
6912          */
6913         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6914                 /* Clear out send RCB ring in SRAM. */
6915                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6916                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6917                                       BDINFO_FLAGS_DISABLED);
6918         }
6919
6920         tp->tx_prod = 0;
6921         tp->tx_cons = 0;
6922         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6923         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6924
6925         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6926                        tp->tx_desc_mapping,
6927                        (TG3_TX_RING_SIZE <<
6928                         BDINFO_FLAGS_MAXLEN_SHIFT),
6929                        NIC_SRAM_TX_BUFFER_DESC);
6930
6931         /* There is only one receive return ring on 5705/5750, no need
6932          * to explicitly disable the others.
6933          */
6934         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6935                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6936                      i += TG3_BDINFO_SIZE) {
6937                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6938                                       BDINFO_FLAGS_DISABLED);
6939                 }
6940         }
6941
6942         tp->rx_rcb_ptr = 0;
6943         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6944
6945         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6946                        tp->rx_rcb_mapping,
6947                        (TG3_RX_RCB_RING_SIZE(tp) <<
6948                         BDINFO_FLAGS_MAXLEN_SHIFT),
6949                        0);
6950
6951         tp->rx_std_ptr = tp->rx_pending;
6952         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6953                      tp->rx_std_ptr);
6954
6955         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6956                                                 tp->rx_jumbo_pending : 0;
6957         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6958                      tp->rx_jumbo_ptr);
6959
6960         /* Initialize MAC address and backoff seed. */
6961         __tg3_set_mac_addr(tp, 0);
6962
6963         /* MTU + ethernet header + FCS + optional VLAN tag */
6964         tw32(MAC_RX_MTU_SIZE,
6965              tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
6966
6967         /* The slot time is changed by tg3_setup_phy if we
6968          * run at gigabit with half duplex.
6969          */
6970         tw32(MAC_TX_LENGTHS,
6971              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6972              (6 << TX_LENGTHS_IPG_SHIFT) |
6973              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6974
6975         /* Receive rules. */
6976         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6977         tw32(RCVLPC_CONFIG, 0x0181);
6978
6979         /* Calculate RDMAC_MODE setting early, we need it to determine
6980          * the RCVLPC_STATE_ENABLE mask.
6981          */
6982         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6983                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6984                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6985                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6986                       RDMAC_MODE_LNGREAD_ENAB);
6987
6988         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
6989             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
6990             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
6991                 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
6992                               RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
6993                               RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
6994
6995         /* If statement applies to 5705 and 5750 PCI devices only */
6996         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6997              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6998             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6999                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7000                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7001                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7002                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7003                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7004                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7005                 }
7006         }
7007
7008         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7009                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7010
7011         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7012                 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7013
7014         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7015             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7016                 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7017
7018         /* Receive/send statistics. */
7019         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7020                 val = tr32(RCVLPC_STATS_ENABLE);
7021                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7022                 tw32(RCVLPC_STATS_ENABLE, val);
7023         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7024                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7025                 val = tr32(RCVLPC_STATS_ENABLE);
7026                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7027                 tw32(RCVLPC_STATS_ENABLE, val);
7028         } else {
7029                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7030         }
7031         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7032         tw32(SNDDATAI_STATSENAB, 0xffffff);
7033         tw32(SNDDATAI_STATSCTRL,
7034              (SNDDATAI_SCTRL_ENABLE |
7035               SNDDATAI_SCTRL_FASTUPD));
7036
7037         /* Setup host coalescing engine. */
7038         tw32(HOSTCC_MODE, 0);
7039         for (i = 0; i < 2000; i++) {
7040                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7041                         break;
7042                 udelay(10);
7043         }
7044
7045         __tg3_set_coalesce(tp, &tp->coal);
7046
7047         /* set status block DMA address */
7048         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7049              ((u64) tp->status_mapping >> 32));
7050         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7051              ((u64) tp->status_mapping & 0xffffffff));
7052
7053         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7054                 /* Status/statistics block address.  See tg3_timer,
7055                  * the tg3_periodic_fetch_stats call there, and
7056                  * tg3_get_stats to see how this works for 5705/5750 chips.
7057                  */
7058                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7059                      ((u64) tp->stats_mapping >> 32));
7060                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7061                      ((u64) tp->stats_mapping & 0xffffffff));
7062                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7063                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7064         }
7065
7066         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7067
7068         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7069         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7070         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7071                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7072
7073         /* Clear statistics/status block in chip, and status block in ram. */
7074         for (i = NIC_SRAM_STATS_BLK;
7075              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7076              i += sizeof(u32)) {
7077                 tg3_write_mem(tp, i, 0);
7078                 udelay(40);
7079         }
7080         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
7081
7082         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7083                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7084                 /* reset to prevent losing 1st rx packet intermittently */
7085                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7086                 udelay(10);
7087         }
7088
7089         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7090                 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7091         else
7092                 tp->mac_mode = 0;
7093         tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
7094                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
7095         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7096             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7097             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7098                 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
7099         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7100         udelay(40);
7101
7102         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
7103          * If TG3_FLG2_IS_NIC is zero, we should read the
7104          * register to preserve the GPIO settings for LOMs. The GPIOs,
7105          * whether used as inputs or outputs, are set by boot code after
7106          * reset.
7107          */
7108         if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
7109                 u32 gpio_mask;
7110
7111                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7112                             GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7113                             GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
7114
7115                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7116                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7117                                      GRC_LCLCTRL_GPIO_OUTPUT3;
7118
7119                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7120                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7121
7122                 tp->grc_local_ctrl &= ~gpio_mask;
7123                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7124
7125                 /* GPIO1 must be driven high for eeprom write protect */
7126                 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7127                         tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7128                                                GRC_LCLCTRL_GPIO_OUTPUT1);
7129         }
7130         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7131         udelay(100);
7132
7133         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
7134         tp->last_tag = 0;
7135
7136         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7137                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7138                 udelay(40);
7139         }
7140
7141         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7142                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7143                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7144                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7145                WDMAC_MODE_LNGREAD_ENAB);
7146
7147         /* If statement applies to 5705 and 5750 PCI devices only */
7148         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7149              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7150             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
7151                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
7152                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7153                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7154                         /* nothing */
7155                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7156                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7157                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7158                         val |= WDMAC_MODE_RX_ACCEL;
7159                 }
7160         }
7161
7162         /* Enable host coalescing bug fix */
7163         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7164                 val |= WDMAC_MODE_STATUS_TAG_FIX;
7165
7166         tw32_f(WDMAC_MODE, val);
7167         udelay(40);
7168
7169         if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7170                 u16 pcix_cmd;
7171
7172                 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7173                                      &pcix_cmd);
7174                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
7175                         pcix_cmd &= ~PCI_X_CMD_MAX_READ;
7176                         pcix_cmd |= PCI_X_CMD_READ_2K;
7177                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
7178                         pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
7179                         pcix_cmd |= PCI_X_CMD_READ_2K;
7180                 }
7181                 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7182                                       pcix_cmd);
7183         }
7184
7185         tw32_f(RDMAC_MODE, rdmac_mode);
7186         udelay(40);
7187
7188         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
7189         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7190                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
7191
7192         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
7193                 tw32(SNDDATAC_MODE,
7194                      SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
7195         else
7196                 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
7197
7198         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
7199         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7200         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
7201         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
7202         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7203                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
7204         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
7205         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
7206
7207         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7208                 err = tg3_load_5701_a0_firmware_fix(tp);
7209                 if (err)
7210                         return err;
7211         }
7212
7213         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7214                 err = tg3_load_tso_firmware(tp);
7215                 if (err)
7216                         return err;
7217         }
7218
7219         tp->tx_mode = TX_MODE_ENABLE;
7220         tw32_f(MAC_TX_MODE, tp->tx_mode);
7221         udelay(100);
7222
7223         tp->rx_mode = RX_MODE_ENABLE;
7224         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7225                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
7226
7227         tw32_f(MAC_RX_MODE, tp->rx_mode);
7228         udelay(10);
7229
7230         tw32(MAC_LED_CTRL, tp->led_ctrl);
7231
7232         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
7233         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7234                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7235                 udelay(10);
7236         }
7237         tw32_f(MAC_RX_MODE, tp->rx_mode);
7238         udelay(10);
7239
7240         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7241                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
7242                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
7243                         /* Set drive transmission level to 1.2V  */
7244                         /* only if the signal pre-emphasis bit is not set  */
7245                         val = tr32(MAC_SERDES_CFG);
7246                         val &= 0xfffff000;
7247                         val |= 0x880;
7248                         tw32(MAC_SERDES_CFG, val);
7249                 }
7250                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
7251                         tw32(MAC_SERDES_CFG, 0x616000);
7252         }
7253
7254         /* Prevent chip from dropping frames when flow control
7255          * is enabled.
7256          */
7257         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
7258
7259         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
7260             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
7261                 /* Use hardware link auto-negotiation */
7262                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
7263         }
7264
7265         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
7266             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
7267                 u32 tmp;
7268
7269                 tmp = tr32(SERDES_RX_CTRL);
7270                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
7271                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
7272                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
7273                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7274         }
7275
7276         if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
7277                 if (tp->link_config.phy_is_low_power) {
7278                         tp->link_config.phy_is_low_power = 0;
7279                         tp->link_config.speed = tp->link_config.orig_speed;
7280                         tp->link_config.duplex = tp->link_config.orig_duplex;
7281                         tp->link_config.autoneg = tp->link_config.orig_autoneg;
7282                 }
7283
7284                 err = tg3_setup_phy(tp, 0);
7285                 if (err)
7286                         return err;
7287
7288                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7289                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
7290                         u32 tmp;
7291
7292                         /* Clear CRC stats. */
7293                         if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
7294                                 tg3_writephy(tp, MII_TG3_TEST1,
7295                                              tmp | MII_TG3_TEST1_CRC_EN);
7296                                 tg3_readphy(tp, 0x14, &tmp);
7297                         }
7298                 }
7299         }
7300
7301         __tg3_set_rx_mode(tp->dev);
7302
7303         /* Initialize receive rules. */
7304         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
7305         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
7306         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
7307         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
7308
7309         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7310             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
7311                 limit = 8;
7312         else
7313                 limit = 16;
7314         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
7315                 limit -= 4;
7316         switch (limit) {
7317         case 16:
7318                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
7319         case 15:
7320                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
7321         case 14:
7322                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
7323         case 13:
7324                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
7325         case 12:
7326                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
7327         case 11:
7328                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
7329         case 10:
7330                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
7331         case 9:
7332                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
7333         case 8:
7334                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
7335         case 7:
7336                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
7337         case 6:
7338                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
7339         case 5:
7340                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
7341         case 4:
7342                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
7343         case 3:
7344                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
7345         case 2:
7346         case 1:
7347
7348         default:
7349                 break;
7350         }
7351
7352         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7353                 /* Write our heartbeat update interval to APE. */
7354                 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7355                                 APE_HOST_HEARTBEAT_INT_DISABLE);
7356
7357         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7358
7359         return 0;
7360 }
7361
7362 /* Called at device open time to get the chip ready for
7363  * packet processing.  Invoked with tp->lock held.
7364  */
7365 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
7366 {
7367         tg3_switch_clocks(tp);
7368
7369         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7370
7371         return tg3_reset_hw(tp, reset_phy);
7372 }
7373
7374 #define TG3_STAT_ADD32(PSTAT, REG) \
7375 do {    u32 __val = tr32(REG); \
7376         (PSTAT)->low += __val; \
7377         if ((PSTAT)->low < __val) \
7378                 (PSTAT)->high += 1; \
7379 } while (0)
7380
7381 static void tg3_periodic_fetch_stats(struct tg3 *tp)
7382 {
7383         struct tg3_hw_stats *sp = tp->hw_stats;
7384
7385         if (!netif_carrier_ok(tp->dev))
7386                 return;
7387
7388         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7389         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7390         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7391         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7392         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7393         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7394         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7395         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7396         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7397         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7398         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7399         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7400         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7401
7402         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7403         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7404         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7405         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7406         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7407         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7408         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7409         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7410         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7411         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7412         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7413         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7414         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7415         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
7416
7417         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7418         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7419         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
7420 }
7421
7422 static void tg3_timer(unsigned long __opaque)
7423 {
7424         struct tg3 *tp = (struct tg3 *) __opaque;
7425
7426         if (tp->irq_sync)
7427                 goto restart_timer;
7428
7429         spin_lock(&tp->lock);
7430
7431         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7432                 /* All of this garbage is because when using non-tagged
7433                  * IRQ status the mailbox/status_block protocol the chip
7434                  * uses with the cpu is race prone.
7435                  */
7436                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
7437                         tw32(GRC_LOCAL_CTRL,
7438                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
7439                 } else {
7440                         tw32(HOSTCC_MODE, tp->coalesce_mode |
7441                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
7442                 }
7443
7444                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
7445                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
7446                         spin_unlock(&tp->lock);
7447                         schedule_work(&tp->reset_task);
7448                         return;
7449                 }
7450         }
7451
7452         /* This part only runs once per second. */
7453         if (!--tp->timer_counter) {
7454                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7455                         tg3_periodic_fetch_stats(tp);
7456
7457                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
7458                         u32 mac_stat;
7459                         int phy_event;
7460
7461                         mac_stat = tr32(MAC_STATUS);
7462
7463                         phy_event = 0;
7464                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
7465                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
7466                                         phy_event = 1;
7467                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
7468                                 phy_event = 1;
7469
7470                         if (phy_event)
7471                                 tg3_setup_phy(tp, 0);
7472                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
7473                         u32 mac_stat = tr32(MAC_STATUS);
7474                         int need_setup = 0;
7475
7476                         if (netif_carrier_ok(tp->dev) &&
7477                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
7478                                 need_setup = 1;
7479                         }
7480                         if (! netif_carrier_ok(tp->dev) &&
7481                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
7482                                          MAC_STATUS_SIGNAL_DET))) {
7483                                 need_setup = 1;
7484                         }
7485                         if (need_setup) {
7486                                 if (!tp->serdes_counter) {
7487                                         tw32_f(MAC_MODE,
7488                                              (tp->mac_mode &
7489                                               ~MAC_MODE_PORT_MODE_MASK));
7490                                         udelay(40);
7491                                         tw32_f(MAC_MODE, tp->mac_mode);
7492                                         udelay(40);
7493                                 }
7494                                 tg3_setup_phy(tp, 0);
7495                         }
7496                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
7497                         tg3_serdes_parallel_detect(tp);
7498
7499                 tp->timer_counter = tp->timer_multiplier;
7500         }
7501
7502         /* Heartbeat is only sent once every 2 seconds.
7503          *
7504          * The heartbeat is to tell the ASF firmware that the host
7505          * driver is still alive.  In the event that the OS crashes,
7506          * ASF needs to reset the hardware to free up the FIFO space
7507          * that may be filled with rx packets destined for the host.
7508          * If the FIFO is full, ASF will no longer function properly.
7509          *
7510          * Unintended resets have been reported on real time kernels
7511          * where the timer doesn't run on time.  Netpoll will also have
7512          * same problem.
7513          *
7514          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
7515          * to check the ring condition when the heartbeat is expiring
7516          * before doing the reset.  This will prevent most unintended
7517          * resets.
7518          */
7519         if (!--tp->asf_counter) {
7520                 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7521                     !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7522                         tg3_wait_for_event_ack(tp);
7523
7524                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
7525                                       FWCMD_NICDRV_ALIVE3);
7526                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
7527                         /* 5 seconds timeout */
7528                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
7529
7530                         tg3_generate_fw_event(tp);
7531                 }
7532                 tp->asf_counter = tp->asf_multiplier;
7533         }
7534
7535         spin_unlock(&tp->lock);
7536
7537 restart_timer:
7538         tp->timer.expires = jiffies + tp->timer_offset;
7539         add_timer(&tp->timer);
7540 }
7541
7542 static int tg3_request_irq(struct tg3 *tp)
7543 {
7544         irq_handler_t fn;
7545         unsigned long flags;
7546         struct net_device *dev = tp->dev;
7547
7548         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7549                 fn = tg3_msi;
7550                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
7551                         fn = tg3_msi_1shot;
7552                 flags = IRQF_SAMPLE_RANDOM;
7553         } else {
7554                 fn = tg3_interrupt;
7555                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7556                         fn = tg3_interrupt_tagged;
7557                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
7558         }
7559         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
7560 }
7561
7562 static int tg3_test_interrupt(struct tg3 *tp)
7563 {
7564         struct net_device *dev = tp->dev;
7565         int err, i, intr_ok = 0;
7566
7567         if (!netif_running(dev))
7568                 return -ENODEV;
7569
7570         tg3_disable_ints(tp);
7571
7572         free_irq(tp->pdev->irq, dev);
7573
7574         err = request_irq(tp->pdev->irq, tg3_test_isr,
7575                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7576         if (err)
7577                 return err;
7578
7579         tp->hw_status->status &= ~SD_STATUS_UPDATED;
7580         tg3_enable_ints(tp);
7581
7582         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
7583                HOSTCC_MODE_NOW);
7584
7585         for (i = 0; i < 5; i++) {
7586                 u32 int_mbox, misc_host_ctrl;
7587
7588                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
7589                                         TG3_64BIT_REG_LOW);
7590                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
7591
7592                 if ((int_mbox != 0) ||
7593                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7594                         intr_ok = 1;
7595                         break;
7596                 }
7597
7598                 msleep(10);
7599         }
7600
7601         tg3_disable_ints(tp);
7602
7603         free_irq(tp->pdev->irq, dev);
7604
7605         err = tg3_request_irq(tp);
7606
7607         if (err)
7608                 return err;
7609
7610         if (intr_ok)
7611                 return 0;
7612
7613         return -EIO;
7614 }
7615
7616 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7617  * successfully restored
7618  */
7619 static int tg3_test_msi(struct tg3 *tp)
7620 {
7621         struct net_device *dev = tp->dev;
7622         int err;
7623         u16 pci_cmd;
7624
7625         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7626                 return 0;
7627
7628         /* Turn off SERR reporting in case MSI terminates with Master
7629          * Abort.
7630          */
7631         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7632         pci_write_config_word(tp->pdev, PCI_COMMAND,
7633                               pci_cmd & ~PCI_COMMAND_SERR);
7634
7635         err = tg3_test_interrupt(tp);
7636
7637         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7638
7639         if (!err)
7640                 return 0;
7641
7642         /* other failures */
7643         if (err != -EIO)
7644                 return err;
7645
7646         /* MSI test failed, go back to INTx mode */
7647         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7648                "switching to INTx mode. Please report this failure to "
7649                "the PCI maintainer and include system chipset information.\n",
7650                        tp->dev->name);
7651
7652         free_irq(tp->pdev->irq, dev);
7653         pci_disable_msi(tp->pdev);
7654
7655         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7656
7657         err = tg3_request_irq(tp);
7658         if (err)
7659                 return err;
7660
7661         /* Need to reset the chip because the MSI cycle may have terminated
7662          * with Master Abort.
7663          */
7664         tg3_full_lock(tp, 1);
7665
7666         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7667         err = tg3_init_hw(tp, 1);
7668
7669         tg3_full_unlock(tp);
7670
7671         if (err)
7672                 free_irq(tp->pdev->irq, dev);
7673
7674         return err;
7675 }
7676
7677 static int tg3_request_firmware(struct tg3 *tp)
7678 {
7679         const __be32 *fw_data;
7680
7681         if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
7682                 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
7683                        tp->dev->name, tp->fw_needed);
7684                 return -ENOENT;
7685         }
7686
7687         fw_data = (void *)tp->fw->data;
7688
7689         /* Firmware blob starts with version numbers, followed by
7690          * start address and _full_ length including BSS sections
7691          * (which must be longer than the actual data, of course
7692          */
7693
7694         tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
7695         if (tp->fw_len < (tp->fw->size - 12)) {
7696                 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
7697                        tp->dev->name, tp->fw_len, tp->fw_needed);
7698                 release_firmware(tp->fw);
7699                 tp->fw = NULL;
7700                 return -EINVAL;
7701         }
7702
7703         /* We no longer need firmware; we have it. */
7704         tp->fw_needed = NULL;
7705         return 0;
7706 }
7707
7708 static int tg3_open(struct net_device *dev)
7709 {
7710         struct tg3 *tp = netdev_priv(dev);
7711         int err;
7712
7713         if (tp->fw_needed) {
7714                 err = tg3_request_firmware(tp);
7715                 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7716                         if (err)
7717                                 return err;
7718                 } else if (err) {
7719                         printk(KERN_WARNING "%s: TSO capability disabled.\n",
7720                                tp->dev->name);
7721                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
7722                 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7723                         printk(KERN_NOTICE "%s: TSO capability restored.\n",
7724                                tp->dev->name);
7725                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
7726                 }
7727         }
7728
7729         netif_carrier_off(tp->dev);
7730
7731         err = tg3_set_power_state(tp, PCI_D0);
7732         if (err)
7733                 return err;
7734
7735         tg3_full_lock(tp, 0);
7736
7737         tg3_disable_ints(tp);
7738         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7739
7740         tg3_full_unlock(tp);
7741
7742         /* The placement of this call is tied
7743          * to the setup and use of Host TX descriptors.
7744          */
7745         err = tg3_alloc_consistent(tp);
7746         if (err)
7747                 return err;
7748
7749         if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
7750                 /* All MSI supporting chips should support tagged
7751                  * status.  Assert that this is the case.
7752                  */
7753                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7754                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7755                                "Not using MSI.\n", tp->dev->name);
7756                 } else if (pci_enable_msi(tp->pdev) == 0) {
7757                         u32 msi_mode;
7758
7759                         msi_mode = tr32(MSGINT_MODE);
7760                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7761                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7762                 }
7763         }
7764         err = tg3_request_irq(tp);
7765
7766         if (err) {
7767                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7768                         pci_disable_msi(tp->pdev);
7769                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7770                 }
7771                 tg3_free_consistent(tp);
7772                 return err;
7773         }
7774
7775         napi_enable(&tp->napi);
7776
7777         tg3_full_lock(tp, 0);
7778
7779         err = tg3_init_hw(tp, 1);
7780         if (err) {
7781                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7782                 tg3_free_rings(tp);
7783         } else {
7784                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7785                         tp->timer_offset = HZ;
7786                 else
7787                         tp->timer_offset = HZ / 10;
7788
7789                 BUG_ON(tp->timer_offset > HZ);
7790                 tp->timer_counter = tp->timer_multiplier =
7791                         (HZ / tp->timer_offset);
7792                 tp->asf_counter = tp->asf_multiplier =
7793                         ((HZ / tp->timer_offset) * 2);
7794
7795                 init_timer(&tp->timer);
7796                 tp->timer.expires = jiffies + tp->timer_offset;
7797                 tp->timer.data = (unsigned long) tp;
7798                 tp->timer.function = tg3_timer;
7799         }
7800
7801         tg3_full_unlock(tp);
7802
7803         if (err) {
7804                 napi_disable(&tp->napi);
7805                 free_irq(tp->pdev->irq, dev);
7806                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7807                         pci_disable_msi(tp->pdev);
7808                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7809                 }
7810                 tg3_free_consistent(tp);
7811                 return err;
7812         }
7813
7814         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7815                 err = tg3_test_msi(tp);
7816
7817                 if (err) {
7818                         tg3_full_lock(tp, 0);
7819
7820                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7821                                 pci_disable_msi(tp->pdev);
7822                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7823                         }
7824                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7825                         tg3_free_rings(tp);
7826                         tg3_free_consistent(tp);
7827
7828                         tg3_full_unlock(tp);
7829
7830                         napi_disable(&tp->napi);
7831
7832                         return err;
7833                 }
7834
7835                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7836                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7837                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7838
7839                                 tw32(PCIE_TRANSACTION_CFG,
7840                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7841                         }
7842                 }
7843         }
7844
7845         tg3_phy_start(tp);
7846
7847         tg3_full_lock(tp, 0);
7848
7849         add_timer(&tp->timer);
7850         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7851         tg3_enable_ints(tp);
7852
7853         tg3_full_unlock(tp);
7854
7855         netif_start_queue(dev);
7856
7857         return 0;
7858 }
7859
7860 #if 0
7861 /*static*/ void tg3_dump_state(struct tg3 *tp)
7862 {
7863         u32 val32, val32_2, val32_3, val32_4, val32_5;
7864         u16 val16;
7865         int i;
7866
7867         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7868         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7869         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7870                val16, val32);
7871
7872         /* MAC block */
7873         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7874                tr32(MAC_MODE), tr32(MAC_STATUS));
7875         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7876                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7877         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7878                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7879         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7880                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7881
7882         /* Send data initiator control block */
7883         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7884                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7885         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7886                tr32(SNDDATAI_STATSCTRL));
7887
7888         /* Send data completion control block */
7889         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7890
7891         /* Send BD ring selector block */
7892         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7893                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7894
7895         /* Send BD initiator control block */
7896         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7897                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7898
7899         /* Send BD completion control block */
7900         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7901
7902         /* Receive list placement control block */
7903         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7904                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7905         printk("       RCVLPC_STATSCTRL[%08x]\n",
7906                tr32(RCVLPC_STATSCTRL));
7907
7908         /* Receive data and receive BD initiator control block */
7909         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7910                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7911
7912         /* Receive data completion control block */
7913         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7914                tr32(RCVDCC_MODE));
7915
7916         /* Receive BD initiator control block */
7917         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7918                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7919
7920         /* Receive BD completion control block */
7921         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7922                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7923
7924         /* Receive list selector control block */
7925         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7926                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7927
7928         /* Mbuf cluster free block */
7929         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7930                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7931
7932         /* Host coalescing control block */
7933         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7934                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7935         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7936                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7937                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7938         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7939                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7940                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7941         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7942                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7943         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7944                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7945
7946         /* Memory arbiter control block */
7947         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7948                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7949
7950         /* Buffer manager control block */
7951         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7952                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7953         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7954                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7955         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7956                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7957                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7958                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7959
7960         /* Read DMA control block */
7961         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7962                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7963
7964         /* Write DMA control block */
7965         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7966                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7967
7968         /* DMA completion block */
7969         printk("DEBUG: DMAC_MODE[%08x]\n",
7970                tr32(DMAC_MODE));
7971
7972         /* GRC block */
7973         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7974                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7975         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7976                tr32(GRC_LOCAL_CTRL));
7977
7978         /* TG3_BDINFOs */
7979         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7980                tr32(RCVDBDI_JUMBO_BD + 0x0),
7981                tr32(RCVDBDI_JUMBO_BD + 0x4),
7982                tr32(RCVDBDI_JUMBO_BD + 0x8),
7983                tr32(RCVDBDI_JUMBO_BD + 0xc));
7984         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7985                tr32(RCVDBDI_STD_BD + 0x0),
7986                tr32(RCVDBDI_STD_BD + 0x4),
7987                tr32(RCVDBDI_STD_BD + 0x8),
7988                tr32(RCVDBDI_STD_BD + 0xc));
7989         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7990                tr32(RCVDBDI_MINI_BD + 0x0),
7991                tr32(RCVDBDI_MINI_BD + 0x4),
7992                tr32(RCVDBDI_MINI_BD + 0x8),
7993                tr32(RCVDBDI_MINI_BD + 0xc));
7994
7995         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7996         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7997         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7998         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7999         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8000                val32, val32_2, val32_3, val32_4);
8001
8002         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8003         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8004         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8005         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8006         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8007                val32, val32_2, val32_3, val32_4);
8008
8009         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8010         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8011         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8012         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8013         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8014         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
8015                val32, val32_2, val32_3, val32_4, val32_5);
8016
8017         /* SW status block */
8018         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
8019                tp->hw_status->status,
8020                tp->hw_status->status_tag,
8021                tp->hw_status->rx_jumbo_consumer,
8022                tp->hw_status->rx_consumer,
8023                tp->hw_status->rx_mini_consumer,
8024                tp->hw_status->idx[0].rx_producer,
8025                tp->hw_status->idx[0].tx_consumer);
8026
8027         /* SW statistics block */
8028         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
8029                ((u32 *)tp->hw_stats)[0],
8030                ((u32 *)tp->hw_stats)[1],
8031                ((u32 *)tp->hw_stats)[2],
8032                ((u32 *)tp->hw_stats)[3]);
8033
8034         /* Mailboxes */
8035         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
8036                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
8037                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
8038                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
8039                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
8040
8041         /* NIC side send descriptors. */
8042         for (i = 0; i < 6; i++) {
8043                 unsigned long txd;
8044
8045                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
8046                         + (i * sizeof(struct tg3_tx_buffer_desc));
8047                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
8048                        i,
8049                        readl(txd + 0x0), readl(txd + 0x4),
8050                        readl(txd + 0x8), readl(txd + 0xc));
8051         }
8052
8053         /* NIC side RX descriptors. */
8054         for (i = 0; i < 6; i++) {
8055                 unsigned long rxd;
8056
8057                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
8058                         + (i * sizeof(struct tg3_rx_buffer_desc));
8059                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
8060                        i,
8061                        readl(rxd + 0x0), readl(rxd + 0x4),
8062                        readl(rxd + 0x8), readl(rxd + 0xc));
8063                 rxd += (4 * sizeof(u32));
8064                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
8065                        i,
8066                        readl(rxd + 0x0), readl(rxd + 0x4),
8067                        readl(rxd + 0x8), readl(rxd + 0xc));
8068         }
8069
8070         for (i = 0; i < 6; i++) {
8071                 unsigned long rxd;
8072
8073                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
8074                         + (i * sizeof(struct tg3_rx_buffer_desc));
8075                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
8076                        i,
8077                        readl(rxd + 0x0), readl(rxd + 0x4),
8078                        readl(rxd + 0x8), readl(rxd + 0xc));
8079                 rxd += (4 * sizeof(u32));
8080                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
8081                        i,
8082                        readl(rxd + 0x0), readl(rxd + 0x4),
8083                        readl(rxd + 0x8), readl(rxd + 0xc));
8084         }
8085 }
8086 #endif
8087
8088 static struct net_device_stats *tg3_get_stats(struct net_device *);
8089 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8090
8091 static int tg3_close(struct net_device *dev)
8092 {
8093         struct tg3 *tp = netdev_priv(dev);
8094
8095         napi_disable(&tp->napi);
8096         cancel_work_sync(&tp->reset_task);
8097
8098         netif_stop_queue(dev);
8099
8100         del_timer_sync(&tp->timer);
8101
8102         tg3_full_lock(tp, 1);
8103 #if 0
8104         tg3_dump_state(tp);
8105 #endif
8106
8107         tg3_disable_ints(tp);
8108
8109         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8110         tg3_free_rings(tp);
8111         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8112
8113         tg3_full_unlock(tp);
8114
8115         free_irq(tp->pdev->irq, dev);
8116         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8117                 pci_disable_msi(tp->pdev);
8118                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8119         }
8120
8121         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8122                sizeof(tp->net_stats_prev));
8123         memcpy(&tp->estats_prev, tg3_get_estats(tp),
8124                sizeof(tp->estats_prev));
8125
8126         tg3_free_consistent(tp);
8127
8128         tg3_set_power_state(tp, PCI_D3hot);
8129
8130         netif_carrier_off(tp->dev);
8131
8132         return 0;
8133 }
8134
8135 static inline unsigned long get_stat64(tg3_stat64_t *val)
8136 {
8137         unsigned long ret;
8138
8139 #if (BITS_PER_LONG == 32)
8140         ret = val->low;
8141 #else
8142         ret = ((u64)val->high << 32) | ((u64)val->low);
8143 #endif
8144         return ret;
8145 }
8146
8147 static inline u64 get_estat64(tg3_stat64_t *val)
8148 {
8149        return ((u64)val->high << 32) | ((u64)val->low);
8150 }
8151
8152 static unsigned long calc_crc_errors(struct tg3 *tp)
8153 {
8154         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8155
8156         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8157             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8158              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
8159                 u32 val;
8160
8161                 spin_lock_bh(&tp->lock);
8162                 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
8163                         tg3_writephy(tp, MII_TG3_TEST1,
8164                                      val | MII_TG3_TEST1_CRC_EN);
8165                         tg3_readphy(tp, 0x14, &val);
8166                 } else
8167                         val = 0;
8168                 spin_unlock_bh(&tp->lock);
8169
8170                 tp->phy_crc_errors += val;
8171
8172                 return tp->phy_crc_errors;
8173         }
8174
8175         return get_stat64(&hw_stats->rx_fcs_errors);
8176 }
8177
8178 #define ESTAT_ADD(member) \
8179         estats->member =        old_estats->member + \
8180                                 get_estat64(&hw_stats->member)
8181
8182 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
8183 {
8184         struct tg3_ethtool_stats *estats = &tp->estats;
8185         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
8186         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8187
8188         if (!hw_stats)
8189                 return old_estats;
8190
8191         ESTAT_ADD(rx_octets);
8192         ESTAT_ADD(rx_fragments);
8193         ESTAT_ADD(rx_ucast_packets);
8194         ESTAT_ADD(rx_mcast_packets);
8195         ESTAT_ADD(rx_bcast_packets);
8196         ESTAT_ADD(rx_fcs_errors);
8197         ESTAT_ADD(rx_align_errors);
8198         ESTAT_ADD(rx_xon_pause_rcvd);
8199         ESTAT_ADD(rx_xoff_pause_rcvd);
8200         ESTAT_ADD(rx_mac_ctrl_rcvd);
8201         ESTAT_ADD(rx_xoff_entered);
8202         ESTAT_ADD(rx_frame_too_long_errors);
8203         ESTAT_ADD(rx_jabbers);
8204         ESTAT_ADD(rx_undersize_packets);
8205         ESTAT_ADD(rx_in_length_errors);
8206         ESTAT_ADD(rx_out_length_errors);
8207         ESTAT_ADD(rx_64_or_less_octet_packets);
8208         ESTAT_ADD(rx_65_to_127_octet_packets);
8209         ESTAT_ADD(rx_128_to_255_octet_packets);
8210         ESTAT_ADD(rx_256_to_511_octet_packets);
8211         ESTAT_ADD(rx_512_to_1023_octet_packets);
8212         ESTAT_ADD(rx_1024_to_1522_octet_packets);
8213         ESTAT_ADD(rx_1523_to_2047_octet_packets);
8214         ESTAT_ADD(rx_2048_to_4095_octet_packets);
8215         ESTAT_ADD(rx_4096_to_8191_octet_packets);
8216         ESTAT_ADD(rx_8192_to_9022_octet_packets);
8217
8218         ESTAT_ADD(tx_octets);
8219         ESTAT_ADD(tx_collisions);
8220         ESTAT_ADD(tx_xon_sent);
8221         ESTAT_ADD(tx_xoff_sent);
8222         ESTAT_ADD(tx_flow_control);
8223         ESTAT_ADD(tx_mac_errors);
8224         ESTAT_ADD(tx_single_collisions);
8225         ESTAT_ADD(tx_mult_collisions);
8226         ESTAT_ADD(tx_deferred);
8227         ESTAT_ADD(tx_excessive_collisions);
8228         ESTAT_ADD(tx_late_collisions);
8229         ESTAT_ADD(tx_collide_2times);
8230         ESTAT_ADD(tx_collide_3times);
8231         ESTAT_ADD(tx_collide_4times);
8232         ESTAT_ADD(tx_collide_5times);
8233         ESTAT_ADD(tx_collide_6times);
8234         ESTAT_ADD(tx_collide_7times);
8235         ESTAT_ADD(tx_collide_8times);
8236         ESTAT_ADD(tx_collide_9times);
8237         ESTAT_ADD(tx_collide_10times);
8238         ESTAT_ADD(tx_collide_11times);
8239         ESTAT_ADD(tx_collide_12times);
8240         ESTAT_ADD(tx_collide_13times);
8241         ESTAT_ADD(tx_collide_14times);
8242         ESTAT_ADD(tx_collide_15times);
8243         ESTAT_ADD(tx_ucast_packets);
8244         ESTAT_ADD(tx_mcast_packets);
8245         ESTAT_ADD(tx_bcast_packets);
8246         ESTAT_ADD(tx_carrier_sense_errors);
8247         ESTAT_ADD(tx_discards);
8248         ESTAT_ADD(tx_errors);
8249
8250         ESTAT_ADD(dma_writeq_full);
8251         ESTAT_ADD(dma_write_prioq_full);
8252         ESTAT_ADD(rxbds_empty);
8253         ESTAT_ADD(rx_discards);
8254         ESTAT_ADD(rx_errors);
8255         ESTAT_ADD(rx_threshold_hit);
8256
8257         ESTAT_ADD(dma_readq_full);
8258         ESTAT_ADD(dma_read_prioq_full);
8259         ESTAT_ADD(tx_comp_queue_full);
8260
8261         ESTAT_ADD(ring_set_send_prod_index);
8262         ESTAT_ADD(ring_status_update);
8263         ESTAT_ADD(nic_irqs);
8264         ESTAT_ADD(nic_avoided_irqs);
8265         ESTAT_ADD(nic_tx_threshold_hit);
8266
8267         return estats;
8268 }
8269
8270 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
8271 {
8272         struct tg3 *tp = netdev_priv(dev);
8273         struct net_device_stats *stats = &tp->net_stats;
8274         struct net_device_stats *old_stats = &tp->net_stats_prev;
8275         struct tg3_hw_stats *hw_stats = tp->hw_stats;
8276
8277         if (!hw_stats)
8278                 return old_stats;
8279
8280         stats->rx_packets = old_stats->rx_packets +
8281                 get_stat64(&hw_stats->rx_ucast_packets) +
8282                 get_stat64(&hw_stats->rx_mcast_packets) +
8283                 get_stat64(&hw_stats->rx_bcast_packets);
8284
8285         stats->tx_packets = old_stats->tx_packets +
8286                 get_stat64(&hw_stats->tx_ucast_packets) +
8287                 get_stat64(&hw_stats->tx_mcast_packets) +
8288                 get_stat64(&hw_stats->tx_bcast_packets);
8289
8290         stats->rx_bytes = old_stats->rx_bytes +
8291                 get_stat64(&hw_stats->rx_octets);
8292         stats->tx_bytes = old_stats->tx_bytes +
8293                 get_stat64(&hw_stats->tx_octets);
8294
8295         stats->rx_errors = old_stats->rx_errors +
8296                 get_stat64(&hw_stats->rx_errors);
8297         stats->tx_errors = old_stats->tx_errors +
8298                 get_stat64(&hw_stats->tx_errors) +
8299                 get_stat64(&hw_stats->tx_mac_errors) +
8300                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
8301                 get_stat64(&hw_stats->tx_discards);
8302
8303         stats->multicast = old_stats->multicast +
8304                 get_stat64(&hw_stats->rx_mcast_packets);
8305         stats->collisions = old_stats->collisions +
8306                 get_stat64(&hw_stats->tx_collisions);
8307
8308         stats->rx_length_errors = old_stats->rx_length_errors +
8309                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
8310                 get_stat64(&hw_stats->rx_undersize_packets);
8311
8312         stats->rx_over_errors = old_stats->rx_over_errors +
8313                 get_stat64(&hw_stats->rxbds_empty);
8314         stats->rx_frame_errors = old_stats->rx_frame_errors +
8315                 get_stat64(&hw_stats->rx_align_errors);
8316         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
8317                 get_stat64(&hw_stats->tx_discards);
8318         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
8319                 get_stat64(&hw_stats->tx_carrier_sense_errors);
8320
8321         stats->rx_crc_errors = old_stats->rx_crc_errors +
8322                 calc_crc_errors(tp);
8323
8324         stats->rx_missed_errors = old_stats->rx_missed_errors +
8325                 get_stat64(&hw_stats->rx_discards);
8326
8327         return stats;
8328 }
8329
8330 static inline u32 calc_crc(unsigned char *buf, int len)
8331 {
8332         u32 reg;
8333         u32 tmp;
8334         int j, k;
8335
8336         reg = 0xffffffff;
8337
8338         for (j = 0; j < len; j++) {
8339                 reg ^= buf[j];
8340
8341                 for (k = 0; k < 8; k++) {
8342                         tmp = reg & 0x01;
8343
8344                         reg >>= 1;
8345
8346                         if (tmp) {
8347                                 reg ^= 0xedb88320;
8348                         }
8349                 }
8350         }
8351
8352         return ~reg;
8353 }
8354
8355 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
8356 {
8357         /* accept or reject all multicast frames */
8358         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
8359         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
8360         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
8361         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
8362 }
8363
8364 static void __tg3_set_rx_mode(struct net_device *dev)
8365 {
8366         struct tg3 *tp = netdev_priv(dev);
8367         u32 rx_mode;
8368
8369         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
8370                                   RX_MODE_KEEP_VLAN_TAG);
8371
8372         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
8373          * flag clear.
8374          */
8375 #if TG3_VLAN_TAG_USED
8376         if (!tp->vlgrp &&
8377             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8378                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8379 #else
8380         /* By definition, VLAN is disabled always in this
8381          * case.
8382          */
8383         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8384                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8385 #endif
8386
8387         if (dev->flags & IFF_PROMISC) {
8388                 /* Promiscuous mode. */
8389                 rx_mode |= RX_MODE_PROMISC;
8390         } else if (dev->flags & IFF_ALLMULTI) {
8391                 /* Accept all multicast. */
8392                 tg3_set_multi (tp, 1);
8393         } else if (dev->mc_count < 1) {
8394                 /* Reject all multicast. */
8395                 tg3_set_multi (tp, 0);
8396         } else {
8397                 /* Accept one or more multicast(s). */
8398                 struct dev_mc_list *mclist;
8399                 unsigned int i;
8400                 u32 mc_filter[4] = { 0, };
8401                 u32 regidx;
8402                 u32 bit;
8403                 u32 crc;
8404
8405                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
8406                      i++, mclist = mclist->next) {
8407
8408                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
8409                         bit = ~crc & 0x7f;
8410                         regidx = (bit & 0x60) >> 5;
8411                         bit &= 0x1f;
8412                         mc_filter[regidx] |= (1 << bit);
8413                 }
8414
8415                 tw32(MAC_HASH_REG_0, mc_filter[0]);
8416                 tw32(MAC_HASH_REG_1, mc_filter[1]);
8417                 tw32(MAC_HASH_REG_2, mc_filter[2]);
8418                 tw32(MAC_HASH_REG_3, mc_filter[3]);
8419         }
8420
8421         if (rx_mode != tp->rx_mode) {
8422                 tp->rx_mode = rx_mode;
8423                 tw32_f(MAC_RX_MODE, rx_mode);
8424                 udelay(10);
8425         }
8426 }
8427
8428 static void tg3_set_rx_mode(struct net_device *dev)
8429 {
8430         struct tg3 *tp = netdev_priv(dev);
8431
8432         if (!netif_running(dev))
8433                 return;
8434
8435         tg3_full_lock(tp, 0);
8436         __tg3_set_rx_mode(dev);
8437         tg3_full_unlock(tp);
8438 }
8439
8440 #define TG3_REGDUMP_LEN         (32 * 1024)
8441
8442 static int tg3_get_regs_len(struct net_device *dev)
8443 {
8444         return TG3_REGDUMP_LEN;
8445 }
8446
8447 static void tg3_get_regs(struct net_device *dev,
8448                 struct ethtool_regs *regs, void *_p)
8449 {
8450         u32 *p = _p;
8451         struct tg3 *tp = netdev_priv(dev);
8452         u8 *orig_p = _p;
8453         int i;
8454
8455         regs->version = 0;
8456
8457         memset(p, 0, TG3_REGDUMP_LEN);
8458
8459         if (tp->link_config.phy_is_low_power)
8460                 return;
8461
8462         tg3_full_lock(tp, 0);
8463
8464 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
8465 #define GET_REG32_LOOP(base,len)                \
8466 do {    p = (u32 *)(orig_p + (base));           \
8467         for (i = 0; i < len; i += 4)            \
8468                 __GET_REG32((base) + i);        \
8469 } while (0)
8470 #define GET_REG32_1(reg)                        \
8471 do {    p = (u32 *)(orig_p + (reg));            \
8472         __GET_REG32((reg));                     \
8473 } while (0)
8474
8475         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
8476         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
8477         GET_REG32_LOOP(MAC_MODE, 0x4f0);
8478         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
8479         GET_REG32_1(SNDDATAC_MODE);
8480         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
8481         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
8482         GET_REG32_1(SNDBDC_MODE);
8483         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
8484         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
8485         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
8486         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
8487         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
8488         GET_REG32_1(RCVDCC_MODE);
8489         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
8490         GET_REG32_LOOP(RCVCC_MODE, 0x14);
8491         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
8492         GET_REG32_1(MBFREE_MODE);
8493         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
8494         GET_REG32_LOOP(MEMARB_MODE, 0x10);
8495         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
8496         GET_REG32_LOOP(RDMAC_MODE, 0x08);
8497         GET_REG32_LOOP(WDMAC_MODE, 0x08);
8498         GET_REG32_1(RX_CPU_MODE);
8499         GET_REG32_1(RX_CPU_STATE);
8500         GET_REG32_1(RX_CPU_PGMCTR);
8501         GET_REG32_1(RX_CPU_HWBKPT);
8502         GET_REG32_1(TX_CPU_MODE);
8503         GET_REG32_1(TX_CPU_STATE);
8504         GET_REG32_1(TX_CPU_PGMCTR);
8505         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
8506         GET_REG32_LOOP(FTQ_RESET, 0x120);
8507         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
8508         GET_REG32_1(DMAC_MODE);
8509         GET_REG32_LOOP(GRC_MODE, 0x4c);
8510         if (tp->tg3_flags & TG3_FLAG_NVRAM)
8511                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
8512
8513 #undef __GET_REG32
8514 #undef GET_REG32_LOOP
8515 #undef GET_REG32_1
8516
8517         tg3_full_unlock(tp);
8518 }
8519
8520 static int tg3_get_eeprom_len(struct net_device *dev)
8521 {
8522         struct tg3 *tp = netdev_priv(dev);
8523
8524         return tp->nvram_size;
8525 }
8526
8527 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8528 {
8529         struct tg3 *tp = netdev_priv(dev);
8530         int ret;
8531         u8  *pd;
8532         u32 i, offset, len, b_offset, b_count;
8533         __be32 val;
8534
8535         if (tp->link_config.phy_is_low_power)
8536                 return -EAGAIN;
8537
8538         offset = eeprom->offset;
8539         len = eeprom->len;
8540         eeprom->len = 0;
8541
8542         eeprom->magic = TG3_EEPROM_MAGIC;
8543
8544         if (offset & 3) {
8545                 /* adjustments to start on required 4 byte boundary */
8546                 b_offset = offset & 3;
8547                 b_count = 4 - b_offset;
8548                 if (b_count > len) {
8549                         /* i.e. offset=1 len=2 */
8550                         b_count = len;
8551                 }
8552                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
8553                 if (ret)
8554                         return ret;
8555                 memcpy(data, ((char*)&val) + b_offset, b_count);
8556                 len -= b_count;
8557                 offset += b_count;
8558                 eeprom->len += b_count;
8559         }
8560
8561         /* read bytes upto the last 4 byte boundary */
8562         pd = &data[eeprom->len];
8563         for (i = 0; i < (len - (len & 3)); i += 4) {
8564                 ret = tg3_nvram_read_be32(tp, offset + i, &val);
8565                 if (ret) {
8566                         eeprom->len += i;
8567                         return ret;
8568                 }
8569                 memcpy(pd + i, &val, 4);
8570         }
8571         eeprom->len += i;
8572
8573         if (len & 3) {
8574                 /* read last bytes not ending on 4 byte boundary */
8575                 pd = &data[eeprom->len];
8576                 b_count = len & 3;
8577                 b_offset = offset + len - b_count;
8578                 ret = tg3_nvram_read_be32(tp, b_offset, &val);
8579                 if (ret)
8580                         return ret;
8581                 memcpy(pd, &val, b_count);
8582                 eeprom->len += b_count;
8583         }
8584         return 0;
8585 }
8586
8587 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
8588
8589 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8590 {
8591         struct tg3 *tp = netdev_priv(dev);
8592         int ret;
8593         u32 offset, len, b_offset, odd_len;
8594         u8 *buf;
8595         __be32 start, end;
8596
8597         if (tp->link_config.phy_is_low_power)
8598                 return -EAGAIN;
8599
8600         if (eeprom->magic != TG3_EEPROM_MAGIC)
8601                 return -EINVAL;
8602
8603         offset = eeprom->offset;
8604         len = eeprom->len;
8605
8606         if ((b_offset = (offset & 3))) {
8607                 /* adjustments to start on required 4 byte boundary */
8608                 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
8609                 if (ret)
8610                         return ret;
8611                 len += b_offset;
8612                 offset &= ~3;
8613                 if (len < 4)
8614                         len = 4;
8615         }
8616
8617         odd_len = 0;
8618         if (len & 3) {
8619                 /* adjustments to end on required 4 byte boundary */
8620                 odd_len = 1;
8621                 len = (len + 3) & ~3;
8622                 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
8623                 if (ret)
8624                         return ret;
8625         }
8626
8627         buf = data;
8628         if (b_offset || odd_len) {
8629                 buf = kmalloc(len, GFP_KERNEL);
8630                 if (!buf)
8631                         return -ENOMEM;
8632                 if (b_offset)
8633                         memcpy(buf, &start, 4);
8634                 if (odd_len)
8635                         memcpy(buf+len-4, &end, 4);
8636                 memcpy(buf + b_offset, data, eeprom->len);
8637         }
8638
8639         ret = tg3_nvram_write_block(tp, offset, len, buf);
8640
8641         if (buf != data)
8642                 kfree(buf);
8643
8644         return ret;
8645 }
8646
8647 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8648 {
8649         struct tg3 *tp = netdev_priv(dev);
8650
8651         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8652                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8653                         return -EAGAIN;
8654                 return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8655         }
8656
8657         cmd->supported = (SUPPORTED_Autoneg);
8658
8659         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8660                 cmd->supported |= (SUPPORTED_1000baseT_Half |
8661                                    SUPPORTED_1000baseT_Full);
8662
8663         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
8664                 cmd->supported |= (SUPPORTED_100baseT_Half |
8665                                   SUPPORTED_100baseT_Full |
8666                                   SUPPORTED_10baseT_Half |
8667                                   SUPPORTED_10baseT_Full |
8668                                   SUPPORTED_TP);
8669                 cmd->port = PORT_TP;
8670         } else {
8671                 cmd->supported |= SUPPORTED_FIBRE;
8672                 cmd->port = PORT_FIBRE;
8673         }
8674
8675         cmd->advertising = tp->link_config.advertising;
8676         if (netif_running(dev)) {
8677                 cmd->speed = tp->link_config.active_speed;
8678                 cmd->duplex = tp->link_config.active_duplex;
8679         }
8680         cmd->phy_address = PHY_ADDR;
8681         cmd->transceiver = XCVR_INTERNAL;
8682         cmd->autoneg = tp->link_config.autoneg;
8683         cmd->maxtxpkt = 0;
8684         cmd->maxrxpkt = 0;
8685         return 0;
8686 }
8687
8688 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8689 {
8690         struct tg3 *tp = netdev_priv(dev);
8691
8692         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8693                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8694                         return -EAGAIN;
8695                 return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8696         }
8697
8698         if (cmd->autoneg != AUTONEG_ENABLE &&
8699             cmd->autoneg != AUTONEG_DISABLE)
8700                 return -EINVAL;
8701
8702         if (cmd->autoneg == AUTONEG_DISABLE &&
8703             cmd->duplex != DUPLEX_FULL &&
8704             cmd->duplex != DUPLEX_HALF)
8705                 return -EINVAL;
8706
8707         if (cmd->autoneg == AUTONEG_ENABLE) {
8708                 u32 mask = ADVERTISED_Autoneg |
8709                            ADVERTISED_Pause |
8710                            ADVERTISED_Asym_Pause;
8711
8712                 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8713                         mask |= ADVERTISED_1000baseT_Half |
8714                                 ADVERTISED_1000baseT_Full;
8715
8716                 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
8717                         mask |= ADVERTISED_100baseT_Half |
8718                                 ADVERTISED_100baseT_Full |
8719                                 ADVERTISED_10baseT_Half |
8720                                 ADVERTISED_10baseT_Full |
8721                                 ADVERTISED_TP;
8722                 else
8723                         mask |= ADVERTISED_FIBRE;
8724
8725                 if (cmd->advertising & ~mask)
8726                         return -EINVAL;
8727
8728                 mask &= (ADVERTISED_1000baseT_Half |
8729                          ADVERTISED_1000baseT_Full |
8730                          ADVERTISED_100baseT_Half |
8731                          ADVERTISED_100baseT_Full |
8732                          ADVERTISED_10baseT_Half |
8733                          ADVERTISED_10baseT_Full);
8734
8735                 cmd->advertising &= mask;
8736         } else {
8737                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
8738                         if (cmd->speed != SPEED_1000)
8739                                 return -EINVAL;
8740
8741                         if (cmd->duplex != DUPLEX_FULL)
8742                                 return -EINVAL;
8743                 } else {
8744                         if (cmd->speed != SPEED_100 &&
8745                             cmd->speed != SPEED_10)
8746                                 return -EINVAL;
8747                 }
8748         }
8749
8750         tg3_full_lock(tp, 0);
8751
8752         tp->link_config.autoneg = cmd->autoneg;
8753         if (cmd->autoneg == AUTONEG_ENABLE) {
8754                 tp->link_config.advertising = (cmd->advertising |
8755                                               ADVERTISED_Autoneg);
8756                 tp->link_config.speed = SPEED_INVALID;
8757                 tp->link_config.duplex = DUPLEX_INVALID;
8758         } else {
8759                 tp->link_config.advertising = 0;
8760                 tp->link_config.speed = cmd->speed;
8761                 tp->link_config.duplex = cmd->duplex;
8762         }
8763
8764         tp->link_config.orig_speed = tp->link_config.speed;
8765         tp->link_config.orig_duplex = tp->link_config.duplex;
8766         tp->link_config.orig_autoneg = tp->link_config.autoneg;
8767
8768         if (netif_running(dev))
8769                 tg3_setup_phy(tp, 1);
8770
8771         tg3_full_unlock(tp);
8772
8773         return 0;
8774 }
8775
8776 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8777 {
8778         struct tg3 *tp = netdev_priv(dev);
8779
8780         strcpy(info->driver, DRV_MODULE_NAME);
8781         strcpy(info->version, DRV_MODULE_VERSION);
8782         strcpy(info->fw_version, tp->fw_ver);
8783         strcpy(info->bus_info, pci_name(tp->pdev));
8784 }
8785
8786 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8787 {
8788         struct tg3 *tp = netdev_priv(dev);
8789
8790         if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
8791             device_can_wakeup(&tp->pdev->dev))
8792                 wol->supported = WAKE_MAGIC;
8793         else
8794                 wol->supported = 0;
8795         wol->wolopts = 0;
8796         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
8797             device_can_wakeup(&tp->pdev->dev))
8798                 wol->wolopts = WAKE_MAGIC;
8799         memset(&wol->sopass, 0, sizeof(wol->sopass));
8800 }
8801
8802 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8803 {
8804         struct tg3 *tp = netdev_priv(dev);
8805         struct device *dp = &tp->pdev->dev;
8806
8807         if (wol->wolopts & ~WAKE_MAGIC)
8808                 return -EINVAL;
8809         if ((wol->wolopts & WAKE_MAGIC) &&
8810             !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
8811                 return -EINVAL;
8812
8813         spin_lock_bh(&tp->lock);
8814         if (wol->wolopts & WAKE_MAGIC) {
8815                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8816                 device_set_wakeup_enable(dp, true);
8817         } else {
8818                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8819                 device_set_wakeup_enable(dp, false);
8820         }
8821         spin_unlock_bh(&tp->lock);
8822
8823         return 0;
8824 }
8825
8826 static u32 tg3_get_msglevel(struct net_device *dev)
8827 {
8828         struct tg3 *tp = netdev_priv(dev);
8829         return tp->msg_enable;
8830 }
8831
8832 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8833 {
8834         struct tg3 *tp = netdev_priv(dev);
8835         tp->msg_enable = value;
8836 }
8837
8838 static int tg3_set_tso(struct net_device *dev, u32 value)
8839 {
8840         struct tg3 *tp = netdev_priv(dev);
8841
8842         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8843                 if (value)
8844                         return -EINVAL;
8845                 return 0;
8846         }
8847         if ((dev->features & NETIF_F_IPV6_CSUM) &&
8848             (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)) {
8849                 if (value) {
8850                         dev->features |= NETIF_F_TSO6;
8851                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
8852                             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
8853                              GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
8854                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8855                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8856                                 dev->features |= NETIF_F_TSO_ECN;
8857                 } else
8858                         dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
8859         }
8860         return ethtool_op_set_tso(dev, value);
8861 }
8862
8863 static int tg3_nway_reset(struct net_device *dev)
8864 {
8865         struct tg3 *tp = netdev_priv(dev);
8866         int r;
8867
8868         if (!netif_running(dev))
8869                 return -EAGAIN;
8870
8871         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8872                 return -EINVAL;
8873
8874         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8875                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8876                         return -EAGAIN;
8877                 r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
8878         } else {
8879                 u32 bmcr;
8880
8881                 spin_lock_bh(&tp->lock);
8882                 r = -EINVAL;
8883                 tg3_readphy(tp, MII_BMCR, &bmcr);
8884                 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8885                     ((bmcr & BMCR_ANENABLE) ||
8886                      (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8887                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8888                                                    BMCR_ANENABLE);
8889                         r = 0;
8890                 }
8891                 spin_unlock_bh(&tp->lock);
8892         }
8893
8894         return r;
8895 }
8896
8897 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8898 {
8899         struct tg3 *tp = netdev_priv(dev);
8900
8901         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8902         ering->rx_mini_max_pending = 0;
8903         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8904                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8905         else
8906                 ering->rx_jumbo_max_pending = 0;
8907
8908         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8909
8910         ering->rx_pending = tp->rx_pending;
8911         ering->rx_mini_pending = 0;
8912         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8913                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8914         else
8915                 ering->rx_jumbo_pending = 0;
8916
8917         ering->tx_pending = tp->tx_pending;
8918 }
8919
8920 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8921 {
8922         struct tg3 *tp = netdev_priv(dev);
8923         int irq_sync = 0, err = 0;
8924
8925         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8926             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8927             (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8928             (ering->tx_pending <= MAX_SKB_FRAGS) ||
8929             ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
8930              (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8931                 return -EINVAL;
8932
8933         if (netif_running(dev)) {
8934                 tg3_phy_stop(tp);
8935                 tg3_netif_stop(tp);
8936                 irq_sync = 1;
8937         }
8938
8939         tg3_full_lock(tp, irq_sync);
8940
8941         tp->rx_pending = ering->rx_pending;
8942
8943         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8944             tp->rx_pending > 63)
8945                 tp->rx_pending = 63;
8946         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8947         tp->tx_pending = ering->tx_pending;
8948
8949         if (netif_running(dev)) {
8950                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8951                 err = tg3_restart_hw(tp, 1);
8952                 if (!err)
8953                         tg3_netif_start(tp);
8954         }
8955
8956         tg3_full_unlock(tp);
8957
8958         if (irq_sync && !err)
8959                 tg3_phy_start(tp);
8960
8961         return err;
8962 }
8963
8964 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8965 {
8966         struct tg3 *tp = netdev_priv(dev);
8967
8968         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8969
8970         if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
8971                 epause->rx_pause = 1;
8972         else
8973                 epause->rx_pause = 0;
8974
8975         if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
8976                 epause->tx_pause = 1;
8977         else
8978                 epause->tx_pause = 0;
8979 }
8980
8981 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8982 {
8983         struct tg3 *tp = netdev_priv(dev);
8984         int err = 0;
8985
8986         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8987                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8988                         return -EAGAIN;
8989
8990                 if (epause->autoneg) {
8991                         u32 newadv;
8992                         struct phy_device *phydev;
8993
8994                         phydev = tp->mdio_bus->phy_map[PHY_ADDR];
8995
8996                         if (epause->rx_pause) {
8997                                 if (epause->tx_pause)
8998                                         newadv = ADVERTISED_Pause;
8999                                 else
9000                                         newadv = ADVERTISED_Pause |
9001                                                  ADVERTISED_Asym_Pause;
9002                         } else if (epause->tx_pause) {
9003                                 newadv = ADVERTISED_Asym_Pause;
9004                         } else
9005                                 newadv = 0;
9006
9007                         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9008                                 u32 oldadv = phydev->advertising &
9009                                              (ADVERTISED_Pause |
9010                                               ADVERTISED_Asym_Pause);
9011                                 if (oldadv != newadv) {
9012                                         phydev->advertising &=
9013                                                 ~(ADVERTISED_Pause |
9014                                                   ADVERTISED_Asym_Pause);
9015                                         phydev->advertising |= newadv;
9016                                         err = phy_start_aneg(phydev);
9017                                 }
9018                         } else {
9019                                 tp->link_config.advertising &=
9020                                                 ~(ADVERTISED_Pause |
9021                                                   ADVERTISED_Asym_Pause);
9022                                 tp->link_config.advertising |= newadv;
9023                         }
9024                 } else {
9025                         if (epause->rx_pause)
9026                                 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9027                         else
9028                                 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9029
9030                         if (epause->tx_pause)
9031                                 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9032                         else
9033                                 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9034
9035                         if (netif_running(dev))
9036                                 tg3_setup_flow_control(tp, 0, 0);
9037                 }
9038         } else {
9039                 int irq_sync = 0;
9040
9041                 if (netif_running(dev)) {
9042                         tg3_netif_stop(tp);
9043                         irq_sync = 1;
9044                 }
9045
9046                 tg3_full_lock(tp, irq_sync);
9047
9048                 if (epause->autoneg)
9049                         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9050                 else
9051                         tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9052                 if (epause->rx_pause)
9053                         tp->link_config.flowctrl |= FLOW_CTRL_RX;
9054                 else
9055                         tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9056                 if (epause->tx_pause)
9057                         tp->link_config.flowctrl |= FLOW_CTRL_TX;
9058                 else
9059                         tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9060
9061                 if (netif_running(dev)) {
9062                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9063                         err = tg3_restart_hw(tp, 1);
9064                         if (!err)
9065                                 tg3_netif_start(tp);
9066                 }
9067
9068                 tg3_full_unlock(tp);
9069         }
9070
9071         return err;
9072 }
9073
9074 static u32 tg3_get_rx_csum(struct net_device *dev)
9075 {
9076         struct tg3 *tp = netdev_priv(dev);
9077         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9078 }
9079
9080 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9081 {
9082         struct tg3 *tp = netdev_priv(dev);
9083
9084         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9085                 if (data != 0)
9086                         return -EINVAL;
9087                 return 0;
9088         }
9089
9090         spin_lock_bh(&tp->lock);
9091         if (data)
9092                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9093         else
9094                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9095         spin_unlock_bh(&tp->lock);
9096
9097         return 0;
9098 }
9099
9100 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9101 {
9102         struct tg3 *tp = netdev_priv(dev);
9103
9104         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9105                 if (data != 0)
9106                         return -EINVAL;
9107                 return 0;
9108         }
9109
9110         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9111                 ethtool_op_set_tx_ipv6_csum(dev, data);
9112         else
9113                 ethtool_op_set_tx_csum(dev, data);
9114
9115         return 0;
9116 }
9117
9118 static int tg3_get_sset_count (struct net_device *dev, int sset)
9119 {
9120         switch (sset) {
9121         case ETH_SS_TEST:
9122                 return TG3_NUM_TEST;
9123         case ETH_SS_STATS:
9124                 return TG3_NUM_STATS;
9125         default:
9126                 return -EOPNOTSUPP;
9127         }
9128 }
9129
9130 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
9131 {
9132         switch (stringset) {
9133         case ETH_SS_STATS:
9134                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
9135                 break;
9136         case ETH_SS_TEST:
9137                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
9138                 break;
9139         default:
9140                 WARN_ON(1);     /* we need a WARN() */
9141                 break;
9142         }
9143 }
9144
9145 static int tg3_phys_id(struct net_device *dev, u32 data)
9146 {
9147         struct tg3 *tp = netdev_priv(dev);
9148         int i;
9149
9150         if (!netif_running(tp->dev))
9151                 return -EAGAIN;
9152
9153         if (data == 0)
9154                 data = UINT_MAX / 2;
9155
9156         for (i = 0; i < (data * 2); i++) {
9157                 if ((i % 2) == 0)
9158                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9159                                            LED_CTRL_1000MBPS_ON |
9160                                            LED_CTRL_100MBPS_ON |
9161                                            LED_CTRL_10MBPS_ON |
9162                                            LED_CTRL_TRAFFIC_OVERRIDE |
9163                                            LED_CTRL_TRAFFIC_BLINK |
9164                                            LED_CTRL_TRAFFIC_LED);
9165
9166                 else
9167                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9168                                            LED_CTRL_TRAFFIC_OVERRIDE);
9169
9170                 if (msleep_interruptible(500))
9171                         break;
9172         }
9173         tw32(MAC_LED_CTRL, tp->led_ctrl);
9174         return 0;
9175 }
9176
9177 static void tg3_get_ethtool_stats (struct net_device *dev,
9178                                    struct ethtool_stats *estats, u64 *tmp_stats)
9179 {
9180         struct tg3 *tp = netdev_priv(dev);
9181         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
9182 }
9183
9184 #define NVRAM_TEST_SIZE 0x100
9185 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE   0x14
9186 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE   0x18
9187 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE   0x1c
9188 #define NVRAM_SELFBOOT_HW_SIZE 0x20
9189 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
9190
9191 static int tg3_test_nvram(struct tg3 *tp)
9192 {
9193         u32 csum, magic;
9194         __be32 *buf;
9195         int i, j, k, err = 0, size;
9196
9197         if (tg3_nvram_read(tp, 0, &magic) != 0)
9198                 return -EIO;
9199
9200         if (magic == TG3_EEPROM_MAGIC)
9201                 size = NVRAM_TEST_SIZE;
9202         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
9203                 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
9204                     TG3_EEPROM_SB_FORMAT_1) {
9205                         switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
9206                         case TG3_EEPROM_SB_REVISION_0:
9207                                 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
9208                                 break;
9209                         case TG3_EEPROM_SB_REVISION_2:
9210                                 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
9211                                 break;
9212                         case TG3_EEPROM_SB_REVISION_3:
9213                                 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
9214                                 break;
9215                         default:
9216                                 return 0;
9217                         }
9218                 } else
9219                         return 0;
9220         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
9221                 size = NVRAM_SELFBOOT_HW_SIZE;
9222         else
9223                 return -EIO;
9224
9225         buf = kmalloc(size, GFP_KERNEL);
9226         if (buf == NULL)
9227                 return -ENOMEM;
9228
9229         err = -EIO;
9230         for (i = 0, j = 0; i < size; i += 4, j++) {
9231                 err = tg3_nvram_read_be32(tp, i, &buf[j]);
9232                 if (err)
9233                         break;
9234         }
9235         if (i < size)
9236                 goto out;
9237
9238         /* Selfboot format */
9239         magic = be32_to_cpu(buf[0]);
9240         if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
9241             TG3_EEPROM_MAGIC_FW) {
9242                 u8 *buf8 = (u8 *) buf, csum8 = 0;
9243
9244                 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
9245                     TG3_EEPROM_SB_REVISION_2) {
9246                         /* For rev 2, the csum doesn't include the MBA. */
9247                         for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
9248                                 csum8 += buf8[i];
9249                         for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
9250                                 csum8 += buf8[i];
9251                 } else {
9252                         for (i = 0; i < size; i++)
9253                                 csum8 += buf8[i];
9254                 }
9255
9256                 if (csum8 == 0) {
9257                         err = 0;
9258                         goto out;
9259                 }
9260
9261                 err = -EIO;
9262                 goto out;
9263         }
9264
9265         if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
9266             TG3_EEPROM_MAGIC_HW) {
9267                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
9268                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
9269                 u8 *buf8 = (u8 *) buf;
9270
9271                 /* Separate the parity bits and the data bytes.  */
9272                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
9273                         if ((i == 0) || (i == 8)) {
9274                                 int l;
9275                                 u8 msk;
9276
9277                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
9278                                         parity[k++] = buf8[i] & msk;
9279                                 i++;
9280                         }
9281                         else if (i == 16) {
9282                                 int l;
9283                                 u8 msk;
9284
9285                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
9286                                         parity[k++] = buf8[i] & msk;
9287                                 i++;
9288
9289                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
9290                                         parity[k++] = buf8[i] & msk;
9291                                 i++;
9292                         }
9293                         data[j++] = buf8[i];
9294                 }
9295
9296                 err = -EIO;
9297                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
9298                         u8 hw8 = hweight8(data[i]);
9299
9300                         if ((hw8 & 0x1) && parity[i])
9301                                 goto out;
9302                         else if (!(hw8 & 0x1) && !parity[i])
9303                                 goto out;
9304                 }
9305                 err = 0;
9306                 goto out;
9307         }
9308
9309         /* Bootstrap checksum at offset 0x10 */
9310         csum = calc_crc((unsigned char *) buf, 0x10);
9311         if (csum != be32_to_cpu(buf[0x10/4]))
9312                 goto out;
9313
9314         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
9315         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
9316         if (csum != be32_to_cpu(buf[0xfc/4]))
9317                 goto out;
9318
9319         err = 0;
9320
9321 out:
9322         kfree(buf);
9323         return err;
9324 }
9325
9326 #define TG3_SERDES_TIMEOUT_SEC  2
9327 #define TG3_COPPER_TIMEOUT_SEC  6
9328
9329 static int tg3_test_link(struct tg3 *tp)
9330 {
9331         int i, max;
9332
9333         if (!netif_running(tp->dev))
9334                 return -ENODEV;
9335
9336         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
9337                 max = TG3_SERDES_TIMEOUT_SEC;
9338         else
9339                 max = TG3_COPPER_TIMEOUT_SEC;
9340
9341         for (i = 0; i < max; i++) {
9342                 if (netif_carrier_ok(tp->dev))
9343                         return 0;
9344
9345                 if (msleep_interruptible(1000))
9346                         break;
9347         }
9348
9349         return -EIO;
9350 }
9351
9352 /* Only test the commonly used registers */
9353 static int tg3_test_registers(struct tg3 *tp)
9354 {
9355         int i, is_5705, is_5750;
9356         u32 offset, read_mask, write_mask, val, save_val, read_val;
9357         static struct {
9358                 u16 offset;
9359                 u16 flags;
9360 #define TG3_FL_5705     0x1
9361 #define TG3_FL_NOT_5705 0x2
9362 #define TG3_FL_NOT_5788 0x4
9363 #define TG3_FL_NOT_5750 0x8
9364                 u32 read_mask;
9365                 u32 write_mask;
9366         } reg_tbl[] = {
9367                 /* MAC Control Registers */
9368                 { MAC_MODE, TG3_FL_NOT_5705,
9369                         0x00000000, 0x00ef6f8c },
9370                 { MAC_MODE, TG3_FL_5705,
9371                         0x00000000, 0x01ef6b8c },
9372                 { MAC_STATUS, TG3_FL_NOT_5705,
9373                         0x03800107, 0x00000000 },
9374                 { MAC_STATUS, TG3_FL_5705,
9375                         0x03800100, 0x00000000 },
9376                 { MAC_ADDR_0_HIGH, 0x0000,
9377                         0x00000000, 0x0000ffff },
9378                 { MAC_ADDR_0_LOW, 0x0000,
9379                         0x00000000, 0xffffffff },
9380                 { MAC_RX_MTU_SIZE, 0x0000,
9381                         0x00000000, 0x0000ffff },
9382                 { MAC_TX_MODE, 0x0000,
9383                         0x00000000, 0x00000070 },
9384                 { MAC_TX_LENGTHS, 0x0000,
9385                         0x00000000, 0x00003fff },
9386                 { MAC_RX_MODE, TG3_FL_NOT_5705,
9387                         0x00000000, 0x000007fc },
9388                 { MAC_RX_MODE, TG3_FL_5705,
9389                         0x00000000, 0x000007dc },
9390                 { MAC_HASH_REG_0, 0x0000,
9391                         0x00000000, 0xffffffff },
9392                 { MAC_HASH_REG_1, 0x0000,
9393                         0x00000000, 0xffffffff },
9394                 { MAC_HASH_REG_2, 0x0000,
9395                         0x00000000, 0xffffffff },
9396                 { MAC_HASH_REG_3, 0x0000,
9397                         0x00000000, 0xffffffff },
9398
9399                 /* Receive Data and Receive BD Initiator Control Registers. */
9400                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
9401                         0x00000000, 0xffffffff },
9402                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
9403                         0x00000000, 0xffffffff },
9404                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
9405                         0x00000000, 0x00000003 },
9406                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
9407                         0x00000000, 0xffffffff },
9408                 { RCVDBDI_STD_BD+0, 0x0000,
9409                         0x00000000, 0xffffffff },
9410                 { RCVDBDI_STD_BD+4, 0x0000,
9411                         0x00000000, 0xffffffff },
9412                 { RCVDBDI_STD_BD+8, 0x0000,
9413                         0x00000000, 0xffff0002 },
9414                 { RCVDBDI_STD_BD+0xc, 0x0000,
9415                         0x00000000, 0xffffffff },
9416
9417                 /* Receive BD Initiator Control Registers. */
9418                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
9419                         0x00000000, 0xffffffff },
9420                 { RCVBDI_STD_THRESH, TG3_FL_5705,
9421                         0x00000000, 0x000003ff },
9422                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
9423                         0x00000000, 0xffffffff },
9424
9425                 /* Host Coalescing Control Registers. */
9426                 { HOSTCC_MODE, TG3_FL_NOT_5705,
9427                         0x00000000, 0x00000004 },
9428                 { HOSTCC_MODE, TG3_FL_5705,
9429                         0x00000000, 0x000000f6 },
9430                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
9431                         0x00000000, 0xffffffff },
9432                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
9433                         0x00000000, 0x000003ff },
9434                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
9435                         0x00000000, 0xffffffff },
9436                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
9437                         0x00000000, 0x000003ff },
9438                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
9439                         0x00000000, 0xffffffff },
9440                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9441                         0x00000000, 0x000000ff },
9442                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
9443                         0x00000000, 0xffffffff },
9444                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9445                         0x00000000, 0x000000ff },
9446                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
9447                         0x00000000, 0xffffffff },
9448                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
9449                         0x00000000, 0xffffffff },
9450                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9451                         0x00000000, 0xffffffff },
9452                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9453                         0x00000000, 0x000000ff },
9454                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9455                         0x00000000, 0xffffffff },
9456                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9457                         0x00000000, 0x000000ff },
9458                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
9459                         0x00000000, 0xffffffff },
9460                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
9461                         0x00000000, 0xffffffff },
9462                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
9463                         0x00000000, 0xffffffff },
9464                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
9465                         0x00000000, 0xffffffff },
9466                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
9467                         0x00000000, 0xffffffff },
9468                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
9469                         0xffffffff, 0x00000000 },
9470                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
9471                         0xffffffff, 0x00000000 },
9472
9473                 /* Buffer Manager Control Registers. */
9474                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
9475                         0x00000000, 0x007fff80 },
9476                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
9477                         0x00000000, 0x007fffff },
9478                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
9479                         0x00000000, 0x0000003f },
9480                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
9481                         0x00000000, 0x000001ff },
9482                 { BUFMGR_MB_HIGH_WATER, 0x0000,
9483                         0x00000000, 0x000001ff },
9484                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
9485                         0xffffffff, 0x00000000 },
9486                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
9487                         0xffffffff, 0x00000000 },
9488
9489                 /* Mailbox Registers */
9490                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
9491                         0x00000000, 0x000001ff },
9492                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
9493                         0x00000000, 0x000001ff },
9494                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
9495                         0x00000000, 0x000007ff },
9496                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
9497                         0x00000000, 0x000001ff },
9498
9499                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
9500         };
9501
9502         is_5705 = is_5750 = 0;
9503         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
9504                 is_5705 = 1;
9505                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
9506                         is_5750 = 1;
9507         }
9508
9509         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
9510                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
9511                         continue;
9512
9513                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
9514                         continue;
9515
9516                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
9517                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
9518                         continue;
9519
9520                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
9521                         continue;
9522
9523                 offset = (u32) reg_tbl[i].offset;
9524                 read_mask = reg_tbl[i].read_mask;
9525                 write_mask = reg_tbl[i].write_mask;
9526
9527                 /* Save the original register content */
9528                 save_val = tr32(offset);
9529
9530                 /* Determine the read-only value. */
9531                 read_val = save_val & read_mask;
9532
9533                 /* Write zero to the register, then make sure the read-only bits
9534                  * are not changed and the read/write bits are all zeros.
9535                  */
9536                 tw32(offset, 0);
9537
9538                 val = tr32(offset);
9539
9540                 /* Test the read-only and read/write bits. */
9541                 if (((val & read_mask) != read_val) || (val & write_mask))
9542                         goto out;
9543
9544                 /* Write ones to all the bits defined by RdMask and WrMask, then
9545                  * make sure the read-only bits are not changed and the
9546                  * read/write bits are all ones.
9547                  */
9548                 tw32(offset, read_mask | write_mask);
9549
9550                 val = tr32(offset);
9551
9552                 /* Test the read-only bits. */
9553                 if ((val & read_mask) != read_val)
9554                         goto out;
9555
9556                 /* Test the read/write bits. */
9557                 if ((val & write_mask) != write_mask)
9558                         goto out;
9559
9560                 tw32(offset, save_val);
9561         }
9562
9563         return 0;
9564
9565 out:
9566         if (netif_msg_hw(tp))
9567                 printk(KERN_ERR PFX "Register test failed at offset %x\n",
9568                        offset);
9569         tw32(offset, save_val);
9570         return -EIO;
9571 }
9572
9573 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
9574 {
9575         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
9576         int i;
9577         u32 j;
9578
9579         for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
9580                 for (j = 0; j < len; j += 4) {
9581                         u32 val;
9582
9583                         tg3_write_mem(tp, offset + j, test_pattern[i]);
9584                         tg3_read_mem(tp, offset + j, &val);
9585                         if (val != test_pattern[i])
9586                                 return -EIO;
9587                 }
9588         }
9589         return 0;
9590 }
9591
9592 static int tg3_test_memory(struct tg3 *tp)
9593 {
9594         static struct mem_entry {
9595                 u32 offset;
9596                 u32 len;
9597         } mem_tbl_570x[] = {
9598                 { 0x00000000, 0x00b50},
9599                 { 0x00002000, 0x1c000},
9600                 { 0xffffffff, 0x00000}
9601         }, mem_tbl_5705[] = {
9602                 { 0x00000100, 0x0000c},
9603                 { 0x00000200, 0x00008},
9604                 { 0x00004000, 0x00800},
9605                 { 0x00006000, 0x01000},
9606                 { 0x00008000, 0x02000},
9607                 { 0x00010000, 0x0e000},
9608                 { 0xffffffff, 0x00000}
9609         }, mem_tbl_5755[] = {
9610                 { 0x00000200, 0x00008},
9611                 { 0x00004000, 0x00800},
9612                 { 0x00006000, 0x00800},
9613                 { 0x00008000, 0x02000},
9614                 { 0x00010000, 0x0c000},
9615                 { 0xffffffff, 0x00000}
9616         }, mem_tbl_5906[] = {
9617                 { 0x00000200, 0x00008},
9618                 { 0x00004000, 0x00400},
9619                 { 0x00006000, 0x00400},
9620                 { 0x00008000, 0x01000},
9621                 { 0x00010000, 0x01000},
9622                 { 0xffffffff, 0x00000}
9623         };
9624         struct mem_entry *mem_tbl;
9625         int err = 0;
9626         int i;
9627
9628         if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9629                 mem_tbl = mem_tbl_5755;
9630         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9631                 mem_tbl = mem_tbl_5906;
9632         else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
9633                 mem_tbl = mem_tbl_5705;
9634         else
9635                 mem_tbl = mem_tbl_570x;
9636
9637         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
9638                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
9639                     mem_tbl[i].len)) != 0)
9640                         break;
9641         }
9642
9643         return err;
9644 }
9645
9646 #define TG3_MAC_LOOPBACK        0
9647 #define TG3_PHY_LOOPBACK        1
9648
9649 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
9650 {
9651         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
9652         u32 desc_idx;
9653         struct sk_buff *skb, *rx_skb;
9654         u8 *tx_data;
9655         dma_addr_t map;
9656         int num_pkts, tx_len, rx_len, i, err;
9657         struct tg3_rx_buffer_desc *desc;
9658
9659         if (loopback_mode == TG3_MAC_LOOPBACK) {
9660                 /* HW errata - mac loopback fails in some cases on 5780.
9661                  * Normal traffic and PHY loopback are not affected by
9662                  * errata.
9663                  */
9664                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
9665                         return 0;
9666
9667                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
9668                            MAC_MODE_PORT_INT_LPBACK;
9669                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9670                         mac_mode |= MAC_MODE_LINK_POLARITY;
9671                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9672                         mac_mode |= MAC_MODE_PORT_MODE_MII;
9673                 else
9674                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
9675                 tw32(MAC_MODE, mac_mode);
9676         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
9677                 u32 val;
9678
9679                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9680                         u32 phytest;
9681
9682                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
9683                                 u32 phy;
9684
9685                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
9686                                              phytest | MII_TG3_EPHY_SHADOW_EN);
9687                                 if (!tg3_readphy(tp, 0x1b, &phy))
9688                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
9689                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
9690                         }
9691                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
9692                 } else
9693                         val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
9694
9695                 tg3_phy_toggle_automdix(tp, 0);
9696
9697                 tg3_writephy(tp, MII_BMCR, val);
9698                 udelay(40);
9699
9700                 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
9701                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9702                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
9703                         mac_mode |= MAC_MODE_PORT_MODE_MII;
9704                 } else
9705                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
9706
9707                 /* reset to prevent losing 1st rx packet intermittently */
9708                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
9709                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
9710                         udelay(10);
9711                         tw32_f(MAC_RX_MODE, tp->rx_mode);
9712                 }
9713                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
9714                         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
9715                                 mac_mode &= ~MAC_MODE_LINK_POLARITY;
9716                         else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
9717                                 mac_mode |= MAC_MODE_LINK_POLARITY;
9718                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
9719                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
9720                 }
9721                 tw32(MAC_MODE, mac_mode);
9722         }
9723         else
9724                 return -EINVAL;
9725
9726         err = -EIO;
9727
9728         tx_len = 1514;
9729         skb = netdev_alloc_skb(tp->dev, tx_len);
9730         if (!skb)
9731                 return -ENOMEM;
9732
9733         tx_data = skb_put(skb, tx_len);
9734         memcpy(tx_data, tp->dev->dev_addr, 6);
9735         memset(tx_data + 6, 0x0, 8);
9736
9737         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
9738
9739         for (i = 14; i < tx_len; i++)
9740                 tx_data[i] = (u8) (i & 0xff);
9741
9742         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
9743
9744         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9745              HOSTCC_MODE_NOW);
9746
9747         udelay(10);
9748
9749         rx_start_idx = tp->hw_status->idx[0].rx_producer;
9750
9751         num_pkts = 0;
9752
9753         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
9754
9755         tp->tx_prod++;
9756         num_pkts++;
9757
9758         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
9759                      tp->tx_prod);
9760         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
9761
9762         udelay(10);
9763
9764         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
9765         for (i = 0; i < 25; i++) {
9766                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9767                        HOSTCC_MODE_NOW);
9768
9769                 udelay(10);
9770
9771                 tx_idx = tp->hw_status->idx[0].tx_consumer;
9772                 rx_idx = tp->hw_status->idx[0].rx_producer;
9773                 if ((tx_idx == tp->tx_prod) &&
9774                     (rx_idx == (rx_start_idx + num_pkts)))
9775                         break;
9776         }
9777
9778         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
9779         dev_kfree_skb(skb);
9780
9781         if (tx_idx != tp->tx_prod)
9782                 goto out;
9783
9784         if (rx_idx != rx_start_idx + num_pkts)
9785                 goto out;
9786
9787         desc = &tp->rx_rcb[rx_start_idx];
9788         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
9789         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
9790         if (opaque_key != RXD_OPAQUE_RING_STD)
9791                 goto out;
9792
9793         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9794             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9795                 goto out;
9796
9797         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9798         if (rx_len != tx_len)
9799                 goto out;
9800
9801         rx_skb = tp->rx_std_buffers[desc_idx].skb;
9802
9803         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9804         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9805
9806         for (i = 14; i < tx_len; i++) {
9807                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9808                         goto out;
9809         }
9810         err = 0;
9811
9812         /* tg3_free_rings will unmap and free the rx_skb */
9813 out:
9814         return err;
9815 }
9816
9817 #define TG3_MAC_LOOPBACK_FAILED         1
9818 #define TG3_PHY_LOOPBACK_FAILED         2
9819 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
9820                                          TG3_PHY_LOOPBACK_FAILED)
9821
9822 static int tg3_test_loopback(struct tg3 *tp)
9823 {
9824         int err = 0;
9825         u32 cpmuctrl = 0;
9826
9827         if (!netif_running(tp->dev))
9828                 return TG3_LOOPBACK_FAILED;
9829
9830         err = tg3_reset_hw(tp, 1);
9831         if (err)
9832                 return TG3_LOOPBACK_FAILED;
9833
9834         /* Turn off gphy autopowerdown. */
9835         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
9836                 tg3_phy_toggle_apd(tp, false);
9837
9838         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9839                 int i;
9840                 u32 status;
9841
9842                 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
9843
9844                 /* Wait for up to 40 microseconds to acquire lock. */
9845                 for (i = 0; i < 4; i++) {
9846                         status = tr32(TG3_CPMU_MUTEX_GNT);
9847                         if (status == CPMU_MUTEX_GNT_DRIVER)
9848                                 break;
9849                         udelay(10);
9850                 }
9851
9852                 if (status != CPMU_MUTEX_GNT_DRIVER)
9853                         return TG3_LOOPBACK_FAILED;
9854
9855                 /* Turn off link-based power management. */
9856                 cpmuctrl = tr32(TG3_CPMU_CTRL);
9857                 tw32(TG3_CPMU_CTRL,
9858                      cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
9859                                   CPMU_CTRL_LINK_AWARE_MODE));
9860         }
9861
9862         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9863                 err |= TG3_MAC_LOOPBACK_FAILED;
9864
9865         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9866                 tw32(TG3_CPMU_CTRL, cpmuctrl);
9867
9868                 /* Release the mutex */
9869                 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
9870         }
9871
9872         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9873             !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
9874                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9875                         err |= TG3_PHY_LOOPBACK_FAILED;
9876         }
9877
9878         /* Re-enable gphy autopowerdown. */
9879         if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
9880                 tg3_phy_toggle_apd(tp, true);
9881
9882         return err;
9883 }
9884
9885 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9886                           u64 *data)
9887 {
9888         struct tg3 *tp = netdev_priv(dev);
9889
9890         if (tp->link_config.phy_is_low_power)
9891                 tg3_set_power_state(tp, PCI_D0);
9892
9893         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9894
9895         if (tg3_test_nvram(tp) != 0) {
9896                 etest->flags |= ETH_TEST_FL_FAILED;
9897                 data[0] = 1;
9898         }
9899         if (tg3_test_link(tp) != 0) {
9900                 etest->flags |= ETH_TEST_FL_FAILED;
9901                 data[1] = 1;
9902         }
9903         if (etest->flags & ETH_TEST_FL_OFFLINE) {
9904                 int err, err2 = 0, irq_sync = 0;
9905
9906                 if (netif_running(dev)) {
9907                         tg3_phy_stop(tp);
9908                         tg3_netif_stop(tp);
9909                         irq_sync = 1;
9910                 }
9911
9912                 tg3_full_lock(tp, irq_sync);
9913
9914                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
9915                 err = tg3_nvram_lock(tp);
9916                 tg3_halt_cpu(tp, RX_CPU_BASE);
9917                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9918                         tg3_halt_cpu(tp, TX_CPU_BASE);
9919                 if (!err)
9920                         tg3_nvram_unlock(tp);
9921
9922                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9923                         tg3_phy_reset(tp);
9924
9925                 if (tg3_test_registers(tp) != 0) {
9926                         etest->flags |= ETH_TEST_FL_FAILED;
9927                         data[2] = 1;
9928                 }
9929                 if (tg3_test_memory(tp) != 0) {
9930                         etest->flags |= ETH_TEST_FL_FAILED;
9931                         data[3] = 1;
9932                 }
9933                 if ((data[4] = tg3_test_loopback(tp)) != 0)
9934                         etest->flags |= ETH_TEST_FL_FAILED;
9935
9936                 tg3_full_unlock(tp);
9937
9938                 if (tg3_test_interrupt(tp) != 0) {
9939                         etest->flags |= ETH_TEST_FL_FAILED;
9940                         data[5] = 1;
9941                 }
9942
9943                 tg3_full_lock(tp, 0);
9944
9945                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9946                 if (netif_running(dev)) {
9947                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9948                         err2 = tg3_restart_hw(tp, 1);
9949                         if (!err2)
9950                                 tg3_netif_start(tp);
9951                 }
9952
9953                 tg3_full_unlock(tp);
9954
9955                 if (irq_sync && !err2)
9956                         tg3_phy_start(tp);
9957         }
9958         if (tp->link_config.phy_is_low_power)
9959                 tg3_set_power_state(tp, PCI_D3hot);
9960
9961 }
9962
9963 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9964 {
9965         struct mii_ioctl_data *data = if_mii(ifr);
9966         struct tg3 *tp = netdev_priv(dev);
9967         int err;
9968
9969         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9970                 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9971                         return -EAGAIN;
9972                 return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
9973         }
9974
9975         switch(cmd) {
9976         case SIOCGMIIPHY:
9977                 data->phy_id = PHY_ADDR;
9978
9979                 /* fallthru */
9980         case SIOCGMIIREG: {
9981                 u32 mii_regval;
9982
9983                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9984                         break;                  /* We have no PHY */
9985
9986                 if (tp->link_config.phy_is_low_power)
9987                         return -EAGAIN;
9988
9989                 spin_lock_bh(&tp->lock);
9990                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9991                 spin_unlock_bh(&tp->lock);
9992
9993                 data->val_out = mii_regval;
9994
9995                 return err;
9996         }
9997
9998         case SIOCSMIIREG:
9999                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10000                         break;                  /* We have no PHY */
10001
10002                 if (!capable(CAP_NET_ADMIN))
10003                         return -EPERM;
10004
10005                 if (tp->link_config.phy_is_low_power)
10006                         return -EAGAIN;
10007
10008                 spin_lock_bh(&tp->lock);
10009                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10010                 spin_unlock_bh(&tp->lock);
10011
10012                 return err;
10013
10014         default:
10015                 /* do nothing */
10016                 break;
10017         }
10018         return -EOPNOTSUPP;
10019 }
10020
10021 #if TG3_VLAN_TAG_USED
10022 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10023 {
10024         struct tg3 *tp = netdev_priv(dev);
10025
10026         if (!netif_running(dev)) {
10027                 tp->vlgrp = grp;
10028                 return;
10029         }
10030
10031         tg3_netif_stop(tp);
10032
10033         tg3_full_lock(tp, 0);
10034
10035         tp->vlgrp = grp;
10036
10037         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10038         __tg3_set_rx_mode(dev);
10039
10040         tg3_netif_start(tp);
10041
10042         tg3_full_unlock(tp);
10043 }
10044 #endif
10045
10046 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10047 {
10048         struct tg3 *tp = netdev_priv(dev);
10049
10050         memcpy(ec, &tp->coal, sizeof(*ec));
10051         return 0;
10052 }
10053
10054 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10055 {
10056         struct tg3 *tp = netdev_priv(dev);
10057         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10058         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10059
10060         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10061                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10062                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10063                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10064                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10065         }
10066
10067         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10068             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10069             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10070             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10071             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10072             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10073             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10074             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10075             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10076             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10077                 return -EINVAL;
10078
10079         /* No rx interrupts will be generated if both are zero */
10080         if ((ec->rx_coalesce_usecs == 0) &&
10081             (ec->rx_max_coalesced_frames == 0))
10082                 return -EINVAL;
10083
10084         /* No tx interrupts will be generated if both are zero */
10085         if ((ec->tx_coalesce_usecs == 0) &&
10086             (ec->tx_max_coalesced_frames == 0))
10087                 return -EINVAL;
10088
10089         /* Only copy relevant parameters, ignore all others. */
10090         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10091         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10092         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10093         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
10094         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
10095         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
10096         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
10097         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
10098         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
10099
10100         if (netif_running(dev)) {
10101                 tg3_full_lock(tp, 0);
10102                 __tg3_set_coalesce(tp, &tp->coal);
10103                 tg3_full_unlock(tp);
10104         }
10105         return 0;
10106 }
10107
10108 static const struct ethtool_ops tg3_ethtool_ops = {
10109         .get_settings           = tg3_get_settings,
10110         .set_settings           = tg3_set_settings,
10111         .get_drvinfo            = tg3_get_drvinfo,
10112         .get_regs_len           = tg3_get_regs_len,
10113         .get_regs               = tg3_get_regs,
10114         .get_wol                = tg3_get_wol,
10115         .set_wol                = tg3_set_wol,
10116         .get_msglevel           = tg3_get_msglevel,
10117         .set_msglevel           = tg3_set_msglevel,
10118         .nway_reset             = tg3_nway_reset,
10119         .get_link               = ethtool_op_get_link,
10120         .get_eeprom_len         = tg3_get_eeprom_len,
10121         .get_eeprom             = tg3_get_eeprom,
10122         .set_eeprom             = tg3_set_eeprom,
10123         .get_ringparam          = tg3_get_ringparam,
10124         .set_ringparam          = tg3_set_ringparam,
10125         .get_pauseparam         = tg3_get_pauseparam,
10126         .set_pauseparam         = tg3_set_pauseparam,
10127         .get_rx_csum            = tg3_get_rx_csum,
10128         .set_rx_csum            = tg3_set_rx_csum,
10129         .set_tx_csum            = tg3_set_tx_csum,
10130         .set_sg                 = ethtool_op_set_sg,
10131         .set_tso                = tg3_set_tso,
10132         .self_test              = tg3_self_test,
10133         .get_strings            = tg3_get_strings,
10134         .phys_id                = tg3_phys_id,
10135         .get_ethtool_stats      = tg3_get_ethtool_stats,
10136         .get_coalesce           = tg3_get_coalesce,
10137         .set_coalesce           = tg3_set_coalesce,
10138         .get_sset_count         = tg3_get_sset_count,
10139 };
10140
10141 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
10142 {
10143         u32 cursize, val, magic;
10144
10145         tp->nvram_size = EEPROM_CHIP_SIZE;
10146
10147         if (tg3_nvram_read(tp, 0, &magic) != 0)
10148                 return;
10149
10150         if ((magic != TG3_EEPROM_MAGIC) &&
10151             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
10152             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
10153                 return;
10154
10155         /*
10156          * Size the chip by reading offsets at increasing powers of two.
10157          * When we encounter our validation signature, we know the addressing
10158          * has wrapped around, and thus have our chip size.
10159          */
10160         cursize = 0x10;
10161
10162         while (cursize < tp->nvram_size) {
10163                 if (tg3_nvram_read(tp, cursize, &val) != 0)
10164                         return;
10165
10166                 if (val == magic)
10167                         break;
10168
10169                 cursize <<= 1;
10170         }
10171
10172         tp->nvram_size = cursize;
10173 }
10174
10175 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
10176 {
10177         u32 val;
10178
10179         if (tg3_nvram_read(tp, 0, &val) != 0)
10180                 return;
10181
10182         /* Selfboot format */
10183         if (val != TG3_EEPROM_MAGIC) {
10184                 tg3_get_eeprom_size(tp);
10185                 return;
10186         }
10187
10188         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
10189                 if (val != 0) {
10190                         /* This is confusing.  We want to operate on the
10191                          * 16-bit value at offset 0xf2.  The tg3_nvram_read()
10192                          * call will read from NVRAM and byteswap the data
10193                          * according to the byteswapping settings for all
10194                          * other register accesses.  This ensures the data we
10195                          * want will always reside in the lower 16-bits.
10196                          * However, the data in NVRAM is in LE format, which
10197                          * means the data from the NVRAM read will always be
10198                          * opposite the endianness of the CPU.  The 16-bit
10199                          * byteswap then brings the data to CPU endianness.
10200                          */
10201                         tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
10202                         return;
10203                 }
10204         }
10205         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10206 }
10207
10208 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
10209 {
10210         u32 nvcfg1;
10211
10212         nvcfg1 = tr32(NVRAM_CFG1);
10213         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
10214                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10215         }
10216         else {
10217                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10218                 tw32(NVRAM_CFG1, nvcfg1);
10219         }
10220
10221         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
10222             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10223                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
10224                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
10225                                 tp->nvram_jedecnum = JEDEC_ATMEL;
10226                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10227                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10228                                 break;
10229                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
10230                                 tp->nvram_jedecnum = JEDEC_ATMEL;
10231                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
10232                                 break;
10233                         case FLASH_VENDOR_ATMEL_EEPROM:
10234                                 tp->nvram_jedecnum = JEDEC_ATMEL;
10235                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10236                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10237                                 break;
10238                         case FLASH_VENDOR_ST:
10239                                 tp->nvram_jedecnum = JEDEC_ST;
10240                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
10241                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10242                                 break;
10243                         case FLASH_VENDOR_SAIFUN:
10244                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
10245                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
10246                                 break;
10247                         case FLASH_VENDOR_SST_SMALL:
10248                         case FLASH_VENDOR_SST_LARGE:
10249                                 tp->nvram_jedecnum = JEDEC_SST;
10250                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
10251                                 break;
10252                 }
10253         }
10254         else {
10255                 tp->nvram_jedecnum = JEDEC_ATMEL;
10256                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10257                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10258         }
10259 }
10260
10261 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
10262 {
10263         u32 nvcfg1;
10264
10265         nvcfg1 = tr32(NVRAM_CFG1);
10266
10267         /* NVRAM protection for TPM */
10268         if (nvcfg1 & (1 << 27))
10269                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10270
10271         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10272                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
10273                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
10274                         tp->nvram_jedecnum = JEDEC_ATMEL;
10275                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10276                         break;
10277                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10278                         tp->nvram_jedecnum = JEDEC_ATMEL;
10279                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10280                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10281                         break;
10282                 case FLASH_5752VENDOR_ST_M45PE10:
10283                 case FLASH_5752VENDOR_ST_M45PE20:
10284                 case FLASH_5752VENDOR_ST_M45PE40:
10285                         tp->nvram_jedecnum = JEDEC_ST;
10286                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10287                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10288                         break;
10289         }
10290
10291         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
10292                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10293                         case FLASH_5752PAGE_SIZE_256:
10294                                 tp->nvram_pagesize = 256;
10295                                 break;
10296                         case FLASH_5752PAGE_SIZE_512:
10297                                 tp->nvram_pagesize = 512;
10298                                 break;
10299                         case FLASH_5752PAGE_SIZE_1K:
10300                                 tp->nvram_pagesize = 1024;
10301                                 break;
10302                         case FLASH_5752PAGE_SIZE_2K:
10303                                 tp->nvram_pagesize = 2048;
10304                                 break;
10305                         case FLASH_5752PAGE_SIZE_4K:
10306                                 tp->nvram_pagesize = 4096;
10307                                 break;
10308                         case FLASH_5752PAGE_SIZE_264:
10309                                 tp->nvram_pagesize = 264;
10310                                 break;
10311                 }
10312         }
10313         else {
10314                 /* For eeprom, set pagesize to maximum eeprom size */
10315                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10316
10317                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10318                 tw32(NVRAM_CFG1, nvcfg1);
10319         }
10320 }
10321
10322 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
10323 {
10324         u32 nvcfg1, protect = 0;
10325
10326         nvcfg1 = tr32(NVRAM_CFG1);
10327
10328         /* NVRAM protection for TPM */
10329         if (nvcfg1 & (1 << 27)) {
10330                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10331                 protect = 1;
10332         }
10333
10334         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10335         switch (nvcfg1) {
10336                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
10337                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
10338                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
10339                 case FLASH_5755VENDOR_ATMEL_FLASH_5:
10340                         tp->nvram_jedecnum = JEDEC_ATMEL;
10341                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10342                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10343                         tp->nvram_pagesize = 264;
10344                         if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
10345                             nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
10346                                 tp->nvram_size = (protect ? 0x3e200 :
10347                                                   TG3_NVRAM_SIZE_512KB);
10348                         else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
10349                                 tp->nvram_size = (protect ? 0x1f200 :
10350                                                   TG3_NVRAM_SIZE_256KB);
10351                         else
10352                                 tp->nvram_size = (protect ? 0x1f200 :
10353                                                   TG3_NVRAM_SIZE_128KB);
10354                         break;
10355                 case FLASH_5752VENDOR_ST_M45PE10:
10356                 case FLASH_5752VENDOR_ST_M45PE20:
10357                 case FLASH_5752VENDOR_ST_M45PE40:
10358                         tp->nvram_jedecnum = JEDEC_ST;
10359                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10360                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10361                         tp->nvram_pagesize = 256;
10362                         if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
10363                                 tp->nvram_size = (protect ?
10364                                                   TG3_NVRAM_SIZE_64KB :
10365                                                   TG3_NVRAM_SIZE_128KB);
10366                         else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
10367                                 tp->nvram_size = (protect ?
10368                                                   TG3_NVRAM_SIZE_64KB :
10369                                                   TG3_NVRAM_SIZE_256KB);
10370                         else
10371                                 tp->nvram_size = (protect ?
10372                                                   TG3_NVRAM_SIZE_128KB :
10373                                                   TG3_NVRAM_SIZE_512KB);
10374                         break;
10375         }
10376 }
10377
10378 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
10379 {
10380         u32 nvcfg1;
10381
10382         nvcfg1 = tr32(NVRAM_CFG1);
10383
10384         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10385                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
10386                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10387                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
10388                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10389                         tp->nvram_jedecnum = JEDEC_ATMEL;
10390                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10391                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10392
10393                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10394                         tw32(NVRAM_CFG1, nvcfg1);
10395                         break;
10396                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10397                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
10398                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
10399                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
10400                         tp->nvram_jedecnum = JEDEC_ATMEL;
10401                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10402                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10403                         tp->nvram_pagesize = 264;
10404                         break;
10405                 case FLASH_5752VENDOR_ST_M45PE10:
10406                 case FLASH_5752VENDOR_ST_M45PE20:
10407                 case FLASH_5752VENDOR_ST_M45PE40:
10408                         tp->nvram_jedecnum = JEDEC_ST;
10409                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10410                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10411                         tp->nvram_pagesize = 256;
10412                         break;
10413         }
10414 }
10415
10416 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
10417 {
10418         u32 nvcfg1, protect = 0;
10419
10420         nvcfg1 = tr32(NVRAM_CFG1);
10421
10422         /* NVRAM protection for TPM */
10423         if (nvcfg1 & (1 << 27)) {
10424                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10425                 protect = 1;
10426         }
10427
10428         nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10429         switch (nvcfg1) {
10430                 case FLASH_5761VENDOR_ATMEL_ADB021D:
10431                 case FLASH_5761VENDOR_ATMEL_ADB041D:
10432                 case FLASH_5761VENDOR_ATMEL_ADB081D:
10433                 case FLASH_5761VENDOR_ATMEL_ADB161D:
10434                 case FLASH_5761VENDOR_ATMEL_MDB021D:
10435                 case FLASH_5761VENDOR_ATMEL_MDB041D:
10436                 case FLASH_5761VENDOR_ATMEL_MDB081D:
10437                 case FLASH_5761VENDOR_ATMEL_MDB161D:
10438                         tp->nvram_jedecnum = JEDEC_ATMEL;
10439                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10440                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10441                         tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10442                         tp->nvram_pagesize = 256;
10443                         break;
10444                 case FLASH_5761VENDOR_ST_A_M45PE20:
10445                 case FLASH_5761VENDOR_ST_A_M45PE40:
10446                 case FLASH_5761VENDOR_ST_A_M45PE80:
10447                 case FLASH_5761VENDOR_ST_A_M45PE16:
10448                 case FLASH_5761VENDOR_ST_M_M45PE20:
10449                 case FLASH_5761VENDOR_ST_M_M45PE40:
10450                 case FLASH_5761VENDOR_ST_M_M45PE80:
10451                 case FLASH_5761VENDOR_ST_M_M45PE16:
10452                         tp->nvram_jedecnum = JEDEC_ST;
10453                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10454                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
10455                         tp->nvram_pagesize = 256;
10456                         break;
10457         }
10458
10459         if (protect) {
10460                 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
10461         } else {
10462                 switch (nvcfg1) {
10463                         case FLASH_5761VENDOR_ATMEL_ADB161D:
10464                         case FLASH_5761VENDOR_ATMEL_MDB161D:
10465                         case FLASH_5761VENDOR_ST_A_M45PE16:
10466                         case FLASH_5761VENDOR_ST_M_M45PE16:
10467                                 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
10468                                 break;
10469                         case FLASH_5761VENDOR_ATMEL_ADB081D:
10470                         case FLASH_5761VENDOR_ATMEL_MDB081D:
10471                         case FLASH_5761VENDOR_ST_A_M45PE80:
10472                         case FLASH_5761VENDOR_ST_M_M45PE80:
10473                                 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
10474                                 break;
10475                         case FLASH_5761VENDOR_ATMEL_ADB041D:
10476                         case FLASH_5761VENDOR_ATMEL_MDB041D:
10477                         case FLASH_5761VENDOR_ST_A_M45PE40:
10478                         case FLASH_5761VENDOR_ST_M_M45PE40:
10479                                 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10480                                 break;
10481                         case FLASH_5761VENDOR_ATMEL_ADB021D:
10482                         case FLASH_5761VENDOR_ATMEL_MDB021D:
10483                         case FLASH_5761VENDOR_ST_A_M45PE20:
10484                         case FLASH_5761VENDOR_ST_M_M45PE20:
10485                                 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10486                                 break;
10487                 }
10488         }
10489 }
10490
10491 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
10492 {
10493         tp->nvram_jedecnum = JEDEC_ATMEL;
10494         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10495         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10496 }
10497
10498 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
10499 {
10500         u32 nvcfg1;
10501
10502         nvcfg1 = tr32(NVRAM_CFG1);
10503
10504         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10505         case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10506         case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10507                 tp->nvram_jedecnum = JEDEC_ATMEL;
10508                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10509                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10510
10511                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10512                 tw32(NVRAM_CFG1, nvcfg1);
10513                 return;
10514         case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10515         case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10516         case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10517         case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10518         case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10519         case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10520         case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10521                 tp->nvram_jedecnum = JEDEC_ATMEL;
10522                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10523                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10524
10525                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10526                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10527                 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10528                 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10529                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10530                         break;
10531                 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10532                 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10533                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10534                         break;
10535                 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10536                 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10537                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10538                         break;
10539                 }
10540                 break;
10541         case FLASH_5752VENDOR_ST_M45PE10:
10542         case FLASH_5752VENDOR_ST_M45PE20:
10543         case FLASH_5752VENDOR_ST_M45PE40:
10544                 tp->nvram_jedecnum = JEDEC_ST;
10545                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10546                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10547
10548                 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10549                 case FLASH_5752VENDOR_ST_M45PE10:
10550                         tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10551                         break;
10552                 case FLASH_5752VENDOR_ST_M45PE20:
10553                         tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10554                         break;
10555                 case FLASH_5752VENDOR_ST_M45PE40:
10556                         tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10557                         break;
10558                 }
10559                 break;
10560         default:
10561                 return;
10562         }
10563
10564         switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10565         case FLASH_5752PAGE_SIZE_256:
10566                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10567                 tp->nvram_pagesize = 256;
10568                 break;
10569         case FLASH_5752PAGE_SIZE_512:
10570                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10571                 tp->nvram_pagesize = 512;
10572                 break;
10573         case FLASH_5752PAGE_SIZE_1K:
10574                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10575                 tp->nvram_pagesize = 1024;
10576                 break;
10577         case FLASH_5752PAGE_SIZE_2K:
10578                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10579                 tp->nvram_pagesize = 2048;
10580                 break;
10581         case FLASH_5752PAGE_SIZE_4K:
10582                 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10583                 tp->nvram_pagesize = 4096;
10584                 break;
10585         case FLASH_5752PAGE_SIZE_264:
10586                 tp->nvram_pagesize = 264;
10587                 break;
10588         case FLASH_5752PAGE_SIZE_528:
10589                 tp->nvram_pagesize = 528;
10590                 break;
10591         }
10592 }
10593
10594 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
10595 static void __devinit tg3_nvram_init(struct tg3 *tp)
10596 {
10597         tw32_f(GRC_EEPROM_ADDR,
10598              (EEPROM_ADDR_FSM_RESET |
10599               (EEPROM_DEFAULT_CLOCK_PERIOD <<
10600                EEPROM_ADDR_CLKPERD_SHIFT)));
10601
10602         msleep(1);
10603
10604         /* Enable seeprom accesses. */
10605         tw32_f(GRC_LOCAL_CTRL,
10606              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
10607         udelay(100);
10608
10609         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
10610             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
10611                 tp->tg3_flags |= TG3_FLAG_NVRAM;
10612
10613                 if (tg3_nvram_lock(tp)) {
10614                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
10615                                "tg3_nvram_init failed.\n", tp->dev->name);
10616                         return;
10617                 }
10618                 tg3_enable_nvram_access(tp);
10619
10620                 tp->nvram_size = 0;
10621
10622                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10623                         tg3_get_5752_nvram_info(tp);
10624                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10625                         tg3_get_5755_nvram_info(tp);
10626                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10627                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
10628                          GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10629                         tg3_get_5787_nvram_info(tp);
10630                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
10631                         tg3_get_5761_nvram_info(tp);
10632                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10633                         tg3_get_5906_nvram_info(tp);
10634                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
10635                         tg3_get_57780_nvram_info(tp);
10636                 else
10637                         tg3_get_nvram_info(tp);
10638
10639                 if (tp->nvram_size == 0)
10640                         tg3_get_nvram_size(tp);
10641
10642                 tg3_disable_nvram_access(tp);
10643                 tg3_nvram_unlock(tp);
10644
10645         } else {
10646                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
10647
10648                 tg3_get_eeprom_size(tp);
10649         }
10650 }
10651
10652 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
10653                                     u32 offset, u32 len, u8 *buf)
10654 {
10655         int i, j, rc = 0;
10656         u32 val;
10657
10658         for (i = 0; i < len; i += 4) {
10659                 u32 addr;
10660                 __be32 data;
10661
10662                 addr = offset + i;
10663
10664                 memcpy(&data, buf + i, 4);
10665
10666                 tw32(GRC_EEPROM_DATA, be32_to_cpu(data));
10667
10668                 val = tr32(GRC_EEPROM_ADDR);
10669                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
10670
10671                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
10672                         EEPROM_ADDR_READ);
10673                 tw32(GRC_EEPROM_ADDR, val |
10674                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
10675                         (addr & EEPROM_ADDR_ADDR_MASK) |
10676                         EEPROM_ADDR_START |
10677                         EEPROM_ADDR_WRITE);
10678
10679                 for (j = 0; j < 1000; j++) {
10680                         val = tr32(GRC_EEPROM_ADDR);
10681
10682                         if (val & EEPROM_ADDR_COMPLETE)
10683                                 break;
10684                         msleep(1);
10685                 }
10686                 if (!(val & EEPROM_ADDR_COMPLETE)) {
10687                         rc = -EBUSY;
10688                         break;
10689                 }
10690         }
10691
10692         return rc;
10693 }
10694
10695 /* offset and length are dword aligned */
10696 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
10697                 u8 *buf)
10698 {
10699         int ret = 0;
10700         u32 pagesize = tp->nvram_pagesize;
10701         u32 pagemask = pagesize - 1;
10702         u32 nvram_cmd;
10703         u8 *tmp;
10704
10705         tmp = kmalloc(pagesize, GFP_KERNEL);
10706         if (tmp == NULL)
10707                 return -ENOMEM;
10708
10709         while (len) {
10710                 int j;
10711                 u32 phy_addr, page_off, size;
10712
10713                 phy_addr = offset & ~pagemask;
10714
10715                 for (j = 0; j < pagesize; j += 4) {
10716                         ret = tg3_nvram_read_be32(tp, phy_addr + j,
10717                                                   (__be32 *) (tmp + j));
10718                         if (ret)
10719                                 break;
10720                 }
10721                 if (ret)
10722                         break;
10723
10724                 page_off = offset & pagemask;
10725                 size = pagesize;
10726                 if (len < size)
10727                         size = len;
10728
10729                 len -= size;
10730
10731                 memcpy(tmp + page_off, buf, size);
10732
10733                 offset = offset + (pagesize - page_off);
10734
10735                 tg3_enable_nvram_access(tp);
10736
10737                 /*
10738                  * Before we can erase the flash page, we need
10739                  * to issue a special "write enable" command.
10740                  */
10741                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10742
10743                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10744                         break;
10745
10746                 /* Erase the target page */
10747                 tw32(NVRAM_ADDR, phy_addr);
10748
10749                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
10750                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
10751
10752                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10753                         break;
10754
10755                 /* Issue another write enable to start the write. */
10756                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10757
10758                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10759                         break;
10760
10761                 for (j = 0; j < pagesize; j += 4) {
10762                         __be32 data;
10763
10764                         data = *((__be32 *) (tmp + j));
10765
10766                         tw32(NVRAM_WRDATA, be32_to_cpu(data));
10767
10768                         tw32(NVRAM_ADDR, phy_addr + j);
10769
10770                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
10771                                 NVRAM_CMD_WR;
10772
10773                         if (j == 0)
10774                                 nvram_cmd |= NVRAM_CMD_FIRST;
10775                         else if (j == (pagesize - 4))
10776                                 nvram_cmd |= NVRAM_CMD_LAST;
10777
10778                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10779                                 break;
10780                 }
10781                 if (ret)
10782                         break;
10783         }
10784
10785         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10786         tg3_nvram_exec_cmd(tp, nvram_cmd);
10787
10788         kfree(tmp);
10789
10790         return ret;
10791 }
10792
10793 /* offset and length are dword aligned */
10794 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
10795                 u8 *buf)
10796 {
10797         int i, ret = 0;
10798
10799         for (i = 0; i < len; i += 4, offset += 4) {
10800                 u32 page_off, phy_addr, nvram_cmd;
10801                 __be32 data;
10802
10803                 memcpy(&data, buf + i, 4);
10804                 tw32(NVRAM_WRDATA, be32_to_cpu(data));
10805
10806                 page_off = offset % tp->nvram_pagesize;
10807
10808                 phy_addr = tg3_nvram_phys_addr(tp, offset);
10809
10810                 tw32(NVRAM_ADDR, phy_addr);
10811
10812                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
10813
10814                 if ((page_off == 0) || (i == 0))
10815                         nvram_cmd |= NVRAM_CMD_FIRST;
10816                 if (page_off == (tp->nvram_pagesize - 4))
10817                         nvram_cmd |= NVRAM_CMD_LAST;
10818
10819                 if (i == (len - 4))
10820                         nvram_cmd |= NVRAM_CMD_LAST;
10821
10822                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10823                     !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
10824                     (tp->nvram_jedecnum == JEDEC_ST) &&
10825                     (nvram_cmd & NVRAM_CMD_FIRST)) {
10826
10827                         if ((ret = tg3_nvram_exec_cmd(tp,
10828                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
10829                                 NVRAM_CMD_DONE)))
10830
10831                                 break;
10832                 }
10833                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10834                         /* We always do complete word writes to eeprom. */
10835                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
10836                 }
10837
10838                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10839                         break;
10840         }
10841         return ret;
10842 }
10843
10844 /* offset and length are dword aligned */
10845 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
10846 {
10847         int ret;
10848
10849         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10850                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
10851                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
10852                 udelay(40);
10853         }
10854
10855         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
10856                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
10857         }
10858         else {
10859                 u32 grc_mode;
10860
10861                 ret = tg3_nvram_lock(tp);
10862                 if (ret)
10863                         return ret;
10864
10865                 tg3_enable_nvram_access(tp);
10866                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
10867                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
10868                         tw32(NVRAM_WRITE1, 0x406);
10869
10870                 grc_mode = tr32(GRC_MODE);
10871                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
10872
10873                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
10874                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10875
10876                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
10877                                 buf);
10878                 }
10879                 else {
10880                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
10881                                 buf);
10882                 }
10883
10884                 grc_mode = tr32(GRC_MODE);
10885                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
10886
10887                 tg3_disable_nvram_access(tp);
10888                 tg3_nvram_unlock(tp);
10889         }
10890
10891         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10892                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
10893                 udelay(40);
10894         }
10895
10896         return ret;
10897 }
10898
10899 struct subsys_tbl_ent {
10900         u16 subsys_vendor, subsys_devid;
10901         u32 phy_id;
10902 };
10903
10904 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
10905         /* Broadcom boards. */
10906         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
10907         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
10908         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
10909         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
10910         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
10911         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
10912         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
10913         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
10914         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
10915         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
10916         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
10917
10918         /* 3com boards. */
10919         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10920         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10921         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
10922         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10923         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10924
10925         /* DELL boards. */
10926         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10927         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10928         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10929         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10930
10931         /* Compaq boards. */
10932         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10933         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10934         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
10935         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10936         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10937
10938         /* IBM boards. */
10939         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10940 };
10941
10942 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10943 {
10944         int i;
10945
10946         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10947                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10948                      tp->pdev->subsystem_vendor) &&
10949                     (subsys_id_to_phy_id[i].subsys_devid ==
10950                      tp->pdev->subsystem_device))
10951                         return &subsys_id_to_phy_id[i];
10952         }
10953         return NULL;
10954 }
10955
10956 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
10957 {
10958         u32 val;
10959         u16 pmcsr;
10960
10961         /* On some early chips the SRAM cannot be accessed in D3hot state,
10962          * so need make sure we're in D0.
10963          */
10964         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
10965         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
10966         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
10967         msleep(1);
10968
10969         /* Make sure register accesses (indirect or otherwise)
10970          * will function correctly.
10971          */
10972         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10973                                tp->misc_host_ctrl);
10974
10975         /* The memory arbiter has to be enabled in order for SRAM accesses
10976          * to succeed.  Normally on powerup the tg3 chip firmware will make
10977          * sure it is enabled, but other entities such as system netboot
10978          * code might disable it.
10979          */
10980         val = tr32(MEMARB_MODE);
10981         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
10982
10983         tp->phy_id = PHY_ID_INVALID;
10984         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10985
10986         /* Assume an onboard device and WOL capable by default.  */
10987         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
10988
10989         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10990                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
10991                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10992                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10993                 }
10994                 val = tr32(VCPU_CFGSHDW);
10995                 if (val & VCPU_CFGSHDW_ASPM_DBNC)
10996                         tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10997                 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
10998                     (val & VCPU_CFGSHDW_WOL_MAGPKT))
10999                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11000                 goto done;
11001         }
11002
11003         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
11004         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
11005                 u32 nic_cfg, led_cfg;
11006                 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
11007                 int eeprom_phy_serdes = 0;
11008
11009                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
11010                 tp->nic_sram_data_cfg = nic_cfg;
11011
11012                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
11013                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
11014                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
11015                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
11016                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
11017                     (ver > 0) && (ver < 0x100))
11018                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
11019
11020                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11021                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
11022
11023                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
11024                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
11025                         eeprom_phy_serdes = 1;
11026
11027                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
11028                 if (nic_phy_id != 0) {
11029                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
11030                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
11031
11032                         eeprom_phy_id  = (id1 >> 16) << 10;
11033                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
11034                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
11035                 } else
11036                         eeprom_phy_id = 0;
11037
11038                 tp->phy_id = eeprom_phy_id;
11039                 if (eeprom_phy_serdes) {
11040                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
11041                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
11042                         else
11043                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11044                 }
11045
11046                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11047                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
11048                                     SHASTA_EXT_LED_MODE_MASK);
11049                 else
11050                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
11051
11052                 switch (led_cfg) {
11053                 default:
11054                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
11055                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11056                         break;
11057
11058                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
11059                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11060                         break;
11061
11062                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
11063                         tp->led_ctrl = LED_CTRL_MODE_MAC;
11064
11065                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
11066                          * read on some older 5700/5701 bootcode.
11067                          */
11068                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11069                             ASIC_REV_5700 ||
11070                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
11071                             ASIC_REV_5701)
11072                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11073
11074                         break;
11075
11076                 case SHASTA_EXT_LED_SHARED:
11077                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
11078                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
11079                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
11080                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11081                                                  LED_CTRL_MODE_PHY_2);
11082                         break;
11083
11084                 case SHASTA_EXT_LED_MAC:
11085                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
11086                         break;
11087
11088                 case SHASTA_EXT_LED_COMBO:
11089                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
11090                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
11091                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11092                                                  LED_CTRL_MODE_PHY_2);
11093                         break;
11094
11095                 }
11096
11097                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11098                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
11099                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
11100                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11101
11102                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
11103                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11104
11105                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
11106                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
11107                         if ((tp->pdev->subsystem_vendor ==
11108                              PCI_VENDOR_ID_ARIMA) &&
11109                             (tp->pdev->subsystem_device == 0x205a ||
11110                              tp->pdev->subsystem_device == 0x2063))
11111                                 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11112                 } else {
11113                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11114                         tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11115                 }
11116
11117                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
11118                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
11119                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11120                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
11121                 }
11122
11123                 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
11124                         (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11125                         tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
11126
11127                 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
11128                     !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
11129                         tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
11130
11131                 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
11132                     (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
11133                         tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11134
11135                 if (cfg2 & (1 << 17))
11136                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
11137
11138                 /* serdes signal pre-emphasis in register 0x590 set by */
11139                 /* bootcode if bit 18 is set */
11140                 if (cfg2 & (1 << 18))
11141                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
11142
11143                 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
11144                       GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
11145                     (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
11146                         tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
11147
11148                 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11149                         u32 cfg3;
11150
11151                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
11152                         if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
11153                                 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11154                 }
11155
11156                 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
11157                         tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
11158                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
11159                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
11160                 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
11161                         tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
11162         }
11163 done:
11164         device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
11165         device_set_wakeup_enable(&tp->pdev->dev,
11166                                  tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
11167 }
11168
11169 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
11170 {
11171         int i;
11172         u32 val;
11173
11174         tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
11175         tw32(OTP_CTRL, cmd);
11176
11177         /* Wait for up to 1 ms for command to execute. */
11178         for (i = 0; i < 100; i++) {
11179                 val = tr32(OTP_STATUS);
11180                 if (val & OTP_STATUS_CMD_DONE)
11181                         break;
11182                 udelay(10);
11183         }
11184
11185         return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
11186 }
11187
11188 /* Read the gphy configuration from the OTP region of the chip.  The gphy
11189  * configuration is a 32-bit value that straddles the alignment boundary.
11190  * We do two 32-bit reads and then shift and merge the results.
11191  */
11192 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
11193 {
11194         u32 bhalf_otp, thalf_otp;
11195
11196         tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
11197
11198         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
11199                 return 0;
11200
11201         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
11202
11203         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11204                 return 0;
11205
11206         thalf_otp = tr32(OTP_READ_DATA);
11207
11208         tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
11209
11210         if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11211                 return 0;
11212
11213         bhalf_otp = tr32(OTP_READ_DATA);
11214
11215         return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
11216 }
11217
11218 static int __devinit tg3_phy_probe(struct tg3 *tp)
11219 {
11220         u32 hw_phy_id_1, hw_phy_id_2;
11221         u32 hw_phy_id, hw_phy_id_masked;
11222         int err;
11223
11224         if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
11225                 return tg3_phy_init(tp);
11226
11227         /* Reading the PHY ID register can conflict with ASF
11228          * firwmare access to the PHY hardware.
11229          */
11230         err = 0;
11231         if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11232             (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
11233                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
11234         } else {
11235                 /* Now read the physical PHY_ID from the chip and verify
11236                  * that it is sane.  If it doesn't look good, we fall back
11237                  * to either the hard-coded table based PHY_ID and failing
11238                  * that the value found in the eeprom area.
11239                  */
11240                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
11241                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
11242
11243                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
11244                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
11245                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
11246
11247                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
11248         }
11249
11250         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
11251                 tp->phy_id = hw_phy_id;
11252                 if (hw_phy_id_masked == PHY_ID_BCM8002)
11253                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11254                 else
11255                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
11256         } else {
11257                 if (tp->phy_id != PHY_ID_INVALID) {
11258                         /* Do nothing, phy ID already set up in
11259                          * tg3_get_eeprom_hw_cfg().
11260                          */
11261                 } else {
11262                         struct subsys_tbl_ent *p;
11263
11264                         /* No eeprom signature?  Try the hardcoded
11265                          * subsys device table.
11266                          */
11267                         p = lookup_by_subsys(tp);
11268                         if (!p)
11269                                 return -ENODEV;
11270
11271                         tp->phy_id = p->phy_id;
11272                         if (!tp->phy_id ||
11273                             tp->phy_id == PHY_ID_BCM8002)
11274                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11275                 }
11276         }
11277
11278         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
11279             !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
11280             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
11281                 u32 bmsr, adv_reg, tg3_ctrl, mask;
11282
11283                 tg3_readphy(tp, MII_BMSR, &bmsr);
11284                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
11285                     (bmsr & BMSR_LSTATUS))
11286                         goto skip_phy_reset;
11287
11288                 err = tg3_phy_reset(tp);
11289                 if (err)
11290                         return err;
11291
11292                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
11293                            ADVERTISE_100HALF | ADVERTISE_100FULL |
11294                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
11295                 tg3_ctrl = 0;
11296                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
11297                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
11298                                     MII_TG3_CTRL_ADV_1000_FULL);
11299                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
11300                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
11301                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
11302                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
11303                 }
11304
11305                 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11306                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11307                         ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
11308                 if (!tg3_copper_is_advertising_all(tp, mask)) {
11309                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11310
11311                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11312                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11313
11314                         tg3_writephy(tp, MII_BMCR,
11315                                      BMCR_ANENABLE | BMCR_ANRESTART);
11316                 }
11317                 tg3_phy_set_wirespeed(tp);
11318
11319                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11320                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11321                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11322         }
11323
11324 skip_phy_reset:
11325         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
11326                 err = tg3_init_5401phy_dsp(tp);
11327                 if (err)
11328                         return err;
11329         }
11330
11331         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
11332                 err = tg3_init_5401phy_dsp(tp);
11333         }
11334
11335         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
11336                 tp->link_config.advertising =
11337                         (ADVERTISED_1000baseT_Half |
11338                          ADVERTISED_1000baseT_Full |
11339                          ADVERTISED_Autoneg |
11340                          ADVERTISED_FIBRE);
11341         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
11342                 tp->link_config.advertising &=
11343                         ~(ADVERTISED_1000baseT_Half |
11344                           ADVERTISED_1000baseT_Full);
11345
11346         return err;
11347 }
11348
11349 static void __devinit tg3_read_partno(struct tg3 *tp)
11350 {
11351         unsigned char vpd_data[256];   /* in little-endian format */
11352         unsigned int i;
11353         u32 magic;
11354
11355         if (tg3_nvram_read(tp, 0x0, &magic))
11356                 goto out_not_found;
11357
11358         if (magic == TG3_EEPROM_MAGIC) {
11359                 for (i = 0; i < 256; i += 4) {
11360                         u32 tmp;
11361
11362                         /* The data is in little-endian format in NVRAM.
11363                          * Use the big-endian read routines to preserve
11364                          * the byte order as it exists in NVRAM.
11365                          */
11366                         if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
11367                                 goto out_not_found;
11368
11369                         memcpy(&vpd_data[i], &tmp, sizeof(tmp));
11370                 }
11371         } else {
11372                 int vpd_cap;
11373
11374                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
11375                 for (i = 0; i < 256; i += 4) {
11376                         u32 tmp, j = 0;
11377                         __le32 v;
11378                         u16 tmp16;
11379
11380                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
11381                                               i);
11382                         while (j++ < 100) {
11383                                 pci_read_config_word(tp->pdev, vpd_cap +
11384                                                      PCI_VPD_ADDR, &tmp16);
11385                                 if (tmp16 & 0x8000)
11386                                         break;
11387                                 msleep(1);
11388                         }
11389                         if (!(tmp16 & 0x8000))
11390                                 goto out_not_found;
11391
11392                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
11393                                               &tmp);
11394                         v = cpu_to_le32(tmp);
11395                         memcpy(&vpd_data[i], &v, sizeof(v));
11396                 }
11397         }
11398
11399         /* Now parse and find the part number. */
11400         for (i = 0; i < 254; ) {
11401                 unsigned char val = vpd_data[i];
11402                 unsigned int block_end;
11403
11404                 if (val == 0x82 || val == 0x91) {
11405                         i = (i + 3 +
11406                              (vpd_data[i + 1] +
11407                               (vpd_data[i + 2] << 8)));
11408                         continue;
11409                 }
11410
11411                 if (val != 0x90)
11412                         goto out_not_found;
11413
11414                 block_end = (i + 3 +
11415                              (vpd_data[i + 1] +
11416                               (vpd_data[i + 2] << 8)));
11417                 i += 3;
11418
11419                 if (block_end > 256)
11420                         goto out_not_found;
11421
11422                 while (i < (block_end - 2)) {
11423                         if (vpd_data[i + 0] == 'P' &&
11424                             vpd_data[i + 1] == 'N') {
11425                                 int partno_len = vpd_data[i + 2];
11426
11427                                 i += 3;
11428                                 if (partno_len > 24 || (partno_len + i) > 256)
11429                                         goto out_not_found;
11430
11431                                 memcpy(tp->board_part_number,
11432                                        &vpd_data[i], partno_len);
11433
11434                                 /* Success. */
11435                                 return;
11436                         }
11437                         i += 3 + vpd_data[i + 2];
11438                 }
11439
11440                 /* Part number not found. */
11441                 goto out_not_found;
11442         }
11443
11444 out_not_found:
11445         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11446                 strcpy(tp->board_part_number, "BCM95906");
11447         else
11448                 strcpy(tp->board_part_number, "none");
11449 }
11450
11451 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
11452 {
11453         u32 val;
11454
11455         if (tg3_nvram_read(tp, offset, &val) ||
11456             (val & 0xfc000000) != 0x0c000000 ||
11457             tg3_nvram_read(tp, offset + 4, &val) ||
11458             val != 0)
11459                 return 0;
11460
11461         return 1;
11462 }
11463
11464 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
11465 {
11466         u32 val, offset, start, ver_offset;
11467         int i;
11468         bool newver = false;
11469
11470         if (tg3_nvram_read(tp, 0xc, &offset) ||
11471             tg3_nvram_read(tp, 0x4, &start))
11472                 return;
11473
11474         offset = tg3_nvram_logical_addr(tp, offset);
11475
11476         if (tg3_nvram_read(tp, offset, &val))
11477                 return;
11478
11479         if ((val & 0xfc000000) == 0x0c000000) {
11480                 if (tg3_nvram_read(tp, offset + 4, &val))
11481                         return;
11482
11483                 if (val == 0)
11484                         newver = true;
11485         }
11486
11487         if (newver) {
11488                 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
11489                         return;
11490
11491                 offset = offset + ver_offset - start;
11492                 for (i = 0; i < 16; i += 4) {
11493                         __be32 v;
11494                         if (tg3_nvram_read_be32(tp, offset + i, &v))
11495                                 return;
11496
11497                         memcpy(tp->fw_ver + i, &v, sizeof(v));
11498                 }
11499         } else {
11500                 u32 major, minor;
11501
11502                 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
11503                         return;
11504
11505                 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
11506                         TG3_NVM_BCVER_MAJSFT;
11507                 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
11508                 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
11509         }
11510 }
11511
11512 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
11513 {
11514         u32 val, major, minor;
11515
11516         /* Use native endian representation */
11517         if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
11518                 return;
11519
11520         major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
11521                 TG3_NVM_HWSB_CFG1_MAJSFT;
11522         minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
11523                 TG3_NVM_HWSB_CFG1_MINSFT;
11524
11525         snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
11526 }
11527
11528 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
11529 {
11530         u32 offset, major, minor, build;
11531
11532         tp->fw_ver[0] = 's';
11533         tp->fw_ver[1] = 'b';
11534         tp->fw_ver[2] = '\0';
11535
11536         if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
11537                 return;
11538
11539         switch (val & TG3_EEPROM_SB_REVISION_MASK) {
11540         case TG3_EEPROM_SB_REVISION_0:
11541                 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
11542                 break;
11543         case TG3_EEPROM_SB_REVISION_2:
11544                 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
11545                 break;
11546         case TG3_EEPROM_SB_REVISION_3:
11547                 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
11548                 break;
11549         default:
11550                 return;
11551         }
11552
11553         if (tg3_nvram_read(tp, offset, &val))
11554                 return;
11555
11556         build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
11557                 TG3_EEPROM_SB_EDH_BLD_SHFT;
11558         major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
11559                 TG3_EEPROM_SB_EDH_MAJ_SHFT;
11560         minor =  val & TG3_EEPROM_SB_EDH_MIN_MASK;
11561
11562         if (minor > 99 || build > 26)
11563                 return;
11564
11565         snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
11566
11567         if (build > 0) {
11568                 tp->fw_ver[8] = 'a' + build - 1;
11569                 tp->fw_ver[9] = '\0';
11570         }
11571 }
11572
11573 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
11574 {
11575         u32 val, offset, start;
11576         int i, vlen;
11577
11578         for (offset = TG3_NVM_DIR_START;
11579              offset < TG3_NVM_DIR_END;
11580              offset += TG3_NVM_DIRENT_SIZE) {
11581                 if (tg3_nvram_read(tp, offset, &val))
11582                         return;
11583
11584                 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
11585                         break;
11586         }
11587
11588         if (offset == TG3_NVM_DIR_END)
11589                 return;
11590
11591         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11592                 start = 0x08000000;
11593         else if (tg3_nvram_read(tp, offset - 4, &start))
11594                 return;
11595
11596         if (tg3_nvram_read(tp, offset + 4, &offset) ||
11597             !tg3_fw_img_is_valid(tp, offset) ||
11598             tg3_nvram_read(tp, offset + 8, &val))
11599                 return;
11600
11601         offset += val - start;
11602
11603         vlen = strlen(tp->fw_ver);
11604
11605         tp->fw_ver[vlen++] = ',';
11606         tp->fw_ver[vlen++] = ' ';
11607
11608         for (i = 0; i < 4; i++) {
11609                 __be32 v;
11610                 if (tg3_nvram_read_be32(tp, offset, &v))
11611                         return;
11612
11613                 offset += sizeof(v);
11614
11615                 if (vlen > TG3_VER_SIZE - sizeof(v)) {
11616                         memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
11617                         break;
11618                 }
11619
11620                 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
11621                 vlen += sizeof(v);
11622         }
11623 }
11624
11625 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
11626 {
11627         int vlen;
11628         u32 apedata;
11629
11630         if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
11631             !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
11632                 return;
11633
11634         apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
11635         if (apedata != APE_SEG_SIG_MAGIC)
11636                 return;
11637
11638         apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
11639         if (!(apedata & APE_FW_STATUS_READY))
11640                 return;
11641
11642         apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
11643
11644         vlen = strlen(tp->fw_ver);
11645
11646         snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
11647                  (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
11648                  (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
11649                  (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
11650                  (apedata & APE_FW_VERSION_BLDMSK));
11651 }
11652
11653 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
11654 {
11655         u32 val;
11656
11657         if (tg3_nvram_read(tp, 0, &val))
11658                 return;
11659
11660         if (val == TG3_EEPROM_MAGIC)
11661                 tg3_read_bc_ver(tp);
11662         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
11663                 tg3_read_sb_ver(tp, val);
11664         else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
11665                 tg3_read_hwsb_ver(tp);
11666         else
11667                 return;
11668
11669         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11670              (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
11671                 return;
11672
11673         tg3_read_mgmtfw_ver(tp);
11674
11675         tp->fw_ver[TG3_VER_SIZE - 1] = 0;
11676 }
11677
11678 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
11679
11680 static int __devinit tg3_get_invariants(struct tg3 *tp)
11681 {
11682         static struct pci_device_id write_reorder_chipsets[] = {
11683                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
11684                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
11685                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
11686                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
11687                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
11688                              PCI_DEVICE_ID_VIA_8385_0) },
11689                 { },
11690         };
11691         u32 misc_ctrl_reg;
11692         u32 pci_state_reg, grc_misc_cfg;
11693         u32 val;
11694         u16 pci_cmd;
11695         int err;
11696
11697         /* Force memory write invalidate off.  If we leave it on,
11698          * then on 5700_BX chips we have to enable a workaround.
11699          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
11700          * to match the cacheline size.  The Broadcom driver have this
11701          * workaround but turns MWI off all the times so never uses
11702          * it.  This seems to suggest that the workaround is insufficient.
11703          */
11704         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11705         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
11706         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11707
11708         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
11709          * has the register indirect write enable bit set before
11710          * we try to access any of the MMIO registers.  It is also
11711          * critical that the PCI-X hw workaround situation is decided
11712          * before that as well.
11713          */
11714         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11715                               &misc_ctrl_reg);
11716
11717         tp->pci_chip_rev_id = (misc_ctrl_reg >>
11718                                MISC_HOST_CTRL_CHIPREV_SHIFT);
11719         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
11720                 u32 prod_id_asic_rev;
11721
11722                 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
11723                                       &prod_id_asic_rev);
11724                 tp->pci_chip_rev_id = prod_id_asic_rev;
11725         }
11726
11727         /* Wrong chip ID in 5752 A0. This code can be removed later
11728          * as A0 is not in production.
11729          */
11730         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
11731                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
11732
11733         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
11734          * we need to disable memory and use config. cycles
11735          * only to access all registers. The 5702/03 chips
11736          * can mistakenly decode the special cycles from the
11737          * ICH chipsets as memory write cycles, causing corruption
11738          * of register and memory space. Only certain ICH bridges
11739          * will drive special cycles with non-zero data during the
11740          * address phase which can fall within the 5703's address
11741          * range. This is not an ICH bug as the PCI spec allows
11742          * non-zero address during special cycles. However, only
11743          * these ICH bridges are known to drive non-zero addresses
11744          * during special cycles.
11745          *
11746          * Since special cycles do not cross PCI bridges, we only
11747          * enable this workaround if the 5703 is on the secondary
11748          * bus of these ICH bridges.
11749          */
11750         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
11751             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
11752                 static struct tg3_dev_id {
11753                         u32     vendor;
11754                         u32     device;
11755                         u32     rev;
11756                 } ich_chipsets[] = {
11757                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
11758                           PCI_ANY_ID },
11759                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
11760                           PCI_ANY_ID },
11761                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
11762                           0xa },
11763                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
11764                           PCI_ANY_ID },
11765                         { },
11766                 };
11767                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
11768                 struct pci_dev *bridge = NULL;
11769
11770                 while (pci_id->vendor != 0) {
11771                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
11772                                                 bridge);
11773                         if (!bridge) {
11774                                 pci_id++;
11775                                 continue;
11776                         }
11777                         if (pci_id->rev != PCI_ANY_ID) {
11778                                 if (bridge->revision > pci_id->rev)
11779                                         continue;
11780                         }
11781                         if (bridge->subordinate &&
11782                             (bridge->subordinate->number ==
11783                              tp->pdev->bus->number)) {
11784
11785                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
11786                                 pci_dev_put(bridge);
11787                                 break;
11788                         }
11789                 }
11790         }
11791
11792         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
11793                 static struct tg3_dev_id {
11794                         u32     vendor;
11795                         u32     device;
11796                 } bridge_chipsets[] = {
11797                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
11798                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
11799                         { },
11800                 };
11801                 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
11802                 struct pci_dev *bridge = NULL;
11803
11804                 while (pci_id->vendor != 0) {
11805                         bridge = pci_get_device(pci_id->vendor,
11806                                                 pci_id->device,
11807                                                 bridge);
11808                         if (!bridge) {
11809                                 pci_id++;
11810                                 continue;
11811                         }
11812                         if (bridge->subordinate &&
11813                             (bridge->subordinate->number <=
11814                              tp->pdev->bus->number) &&
11815                             (bridge->subordinate->subordinate >=
11816                              tp->pdev->bus->number)) {
11817                                 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
11818                                 pci_dev_put(bridge);
11819                                 break;
11820                         }
11821                 }
11822         }
11823
11824         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
11825          * DMA addresses > 40-bit. This bridge may have other additional
11826          * 57xx devices behind it in some 4-port NIC designs for example.
11827          * Any tg3 device found behind the bridge will also need the 40-bit
11828          * DMA workaround.
11829          */
11830         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
11831             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11832                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
11833                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11834                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
11835         }
11836         else {
11837                 struct pci_dev *bridge = NULL;
11838
11839                 do {
11840                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
11841                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
11842                                                 bridge);
11843                         if (bridge && bridge->subordinate &&
11844                             (bridge->subordinate->number <=
11845                              tp->pdev->bus->number) &&
11846                             (bridge->subordinate->subordinate >=
11847                              tp->pdev->bus->number)) {
11848                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11849                                 pci_dev_put(bridge);
11850                                 break;
11851                         }
11852                 } while (bridge);
11853         }
11854
11855         /* Initialize misc host control in PCI block. */
11856         tp->misc_host_ctrl |= (misc_ctrl_reg &
11857                                MISC_HOST_CTRL_CHIPREV);
11858         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11859                                tp->misc_host_ctrl);
11860
11861         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11862             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11863                 tp->pdev_peer = tg3_find_peer(tp);
11864
11865         /* Intentionally exclude ASIC_REV_5906 */
11866         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11867             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11868             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11869             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11870             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
11871             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11872                 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
11873
11874         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11875             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11876             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
11877             (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
11878             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11879                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
11880
11881         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
11882             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11883                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
11884
11885         /* 5700 B0 chips do not support checksumming correctly due
11886          * to hardware bugs.
11887          */
11888         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
11889                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
11890         else {
11891                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11892                 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
11893                 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
11894                         tp->dev->features |= NETIF_F_IPV6_CSUM;
11895         }
11896
11897         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
11898                 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
11899                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
11900                     GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
11901                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
11902                      tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
11903                      tp->pdev_peer == tp->pdev))
11904                         tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
11905
11906                 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
11907                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11908                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
11909                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
11910                 } else {
11911                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
11912                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11913                                 ASIC_REV_5750 &&
11914                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
11915                                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
11916                 }
11917         }
11918
11919         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11920              (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11921                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
11922
11923         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11924                               &pci_state_reg);
11925
11926         tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
11927         if (tp->pcie_cap != 0) {
11928                 u16 lnkctl;
11929
11930                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
11931
11932                 pcie_set_readrq(tp->pdev, 4096);
11933
11934                 pci_read_config_word(tp->pdev,
11935                                      tp->pcie_cap + PCI_EXP_LNKCTL,
11936                                      &lnkctl);
11937                 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
11938                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11939                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
11940                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11941                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11942                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11943                                 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
11944                 }
11945         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
11946                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
11947         } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11948                    (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11949                 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
11950                 if (!tp->pcix_cap) {
11951                         printk(KERN_ERR PFX "Cannot find PCI-X "
11952                                             "capability, aborting.\n");
11953                         return -EIO;
11954                 }
11955
11956                 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
11957                         tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
11958         }
11959
11960         /* If we have an AMD 762 or VIA K8T800 chipset, write
11961          * reordering to the mailbox registers done by the host
11962          * controller can cause major troubles.  We read back from
11963          * every mailbox register write to force the writes to be
11964          * posted to the chip in order.
11965          */
11966         if (pci_dev_present(write_reorder_chipsets) &&
11967             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11968                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
11969
11970         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
11971                              &tp->pci_cacheline_sz);
11972         pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
11973                              &tp->pci_lat_timer);
11974         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
11975             tp->pci_lat_timer < 64) {
11976                 tp->pci_lat_timer = 64;
11977                 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
11978                                       tp->pci_lat_timer);
11979         }
11980
11981         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
11982                 /* 5700 BX chips need to have their TX producer index
11983                  * mailboxes written twice to workaround a bug.
11984                  */
11985                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
11986
11987                 /* If we are in PCI-X mode, enable register write workaround.
11988                  *
11989                  * The workaround is to use indirect register accesses
11990                  * for all chip writes not to mailbox registers.
11991                  */
11992                 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11993                         u32 pm_reg;
11994
11995                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
11996
11997                         /* The chip can have it's power management PCI config
11998                          * space registers clobbered due to this bug.
11999                          * So explicitly force the chip into D0 here.
12000                          */
12001                         pci_read_config_dword(tp->pdev,
12002                                               tp->pm_cap + PCI_PM_CTRL,
12003                                               &pm_reg);
12004                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
12005                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
12006                         pci_write_config_dword(tp->pdev,
12007                                                tp->pm_cap + PCI_PM_CTRL,
12008                                                pm_reg);
12009
12010                         /* Also, force SERR#/PERR# in PCI command. */
12011                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12012                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
12013                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12014                 }
12015         }
12016
12017         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
12018                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
12019         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
12020                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
12021
12022         /* Chip-specific fixup from Broadcom driver */
12023         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
12024             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
12025                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
12026                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
12027         }
12028
12029         /* Default fast path register access methods */
12030         tp->read32 = tg3_read32;
12031         tp->write32 = tg3_write32;
12032         tp->read32_mbox = tg3_read32;
12033         tp->write32_mbox = tg3_write32;
12034         tp->write32_tx_mbox = tg3_write32;
12035         tp->write32_rx_mbox = tg3_write32;
12036
12037         /* Various workaround register access methods */
12038         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
12039                 tp->write32 = tg3_write_indirect_reg32;
12040         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12041                  ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12042                   tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
12043                 /*
12044                  * Back to back register writes can cause problems on these
12045                  * chips, the workaround is to read back all reg writes
12046                  * except those to mailbox regs.
12047                  *
12048                  * See tg3_write_indirect_reg32().
12049                  */
12050                 tp->write32 = tg3_write_flush_reg32;
12051         }
12052
12053
12054         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
12055             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
12056                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
12057                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
12058                         tp->write32_rx_mbox = tg3_write_flush_reg32;
12059         }
12060
12061         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
12062                 tp->read32 = tg3_read_indirect_reg32;
12063                 tp->write32 = tg3_write_indirect_reg32;
12064                 tp->read32_mbox = tg3_read_indirect_mbox;
12065                 tp->write32_mbox = tg3_write_indirect_mbox;
12066                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
12067                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
12068
12069                 iounmap(tp->regs);
12070                 tp->regs = NULL;
12071
12072                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12073                 pci_cmd &= ~PCI_COMMAND_MEMORY;
12074                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12075         }
12076         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12077                 tp->read32_mbox = tg3_read32_mbox_5906;
12078                 tp->write32_mbox = tg3_write32_mbox_5906;
12079                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
12080                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
12081         }
12082
12083         if (tp->write32 == tg3_write_indirect_reg32 ||
12084             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12085              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12086               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
12087                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
12088
12089         /* Get eeprom hw config before calling tg3_set_power_state().
12090          * In particular, the TG3_FLG2_IS_NIC flag must be
12091          * determined before calling tg3_set_power_state() so that
12092          * we know whether or not to switch out of Vaux power.
12093          * When the flag is set, it means that GPIO1 is used for eeprom
12094          * write protect and also implies that it is a LOM where GPIOs
12095          * are not used to switch power.
12096          */
12097         tg3_get_eeprom_hw_cfg(tp);
12098
12099         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12100                 /* Allow reads and writes to the
12101                  * APE register and memory space.
12102                  */
12103                 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
12104                                  PCISTATE_ALLOW_APE_SHMEM_WR;
12105                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
12106                                        pci_state_reg);
12107         }
12108
12109         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12110             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12111             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12112             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12113                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
12114
12115         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
12116          * GPIO1 driven high will bring 5700's external PHY out of reset.
12117          * It is also used as eeprom write protect on LOMs.
12118          */
12119         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
12120         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12121             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
12122                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
12123                                        GRC_LCLCTRL_GPIO_OUTPUT1);
12124         /* Unused GPIO3 must be driven as output on 5752 because there
12125          * are no pull-up resistors on unused GPIO pins.
12126          */
12127         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
12128                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
12129
12130         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12131             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12132                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12133
12134         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) {
12135                 /* Turn off the debug UART. */
12136                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12137                 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
12138                         /* Keep VMain power. */
12139                         tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
12140                                               GRC_LCLCTRL_GPIO_OUTPUT0;
12141         }
12142
12143         /* Force the chip into D0. */
12144         err = tg3_set_power_state(tp, PCI_D0);
12145         if (err) {
12146                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
12147                        pci_name(tp->pdev));
12148                 return err;
12149         }
12150
12151         /* Derive initial jumbo mode from MTU assigned in
12152          * ether_setup() via the alloc_etherdev() call
12153          */
12154         if (tp->dev->mtu > ETH_DATA_LEN &&
12155             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12156                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
12157
12158         /* Determine WakeOnLan speed to use. */
12159         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12160             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12161             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
12162             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
12163                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
12164         } else {
12165                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
12166         }
12167
12168         /* A few boards don't want Ethernet@WireSpeed phy feature */
12169         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12170             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
12171              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
12172              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
12173             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
12174             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
12175                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
12176
12177         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
12178             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
12179                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
12180         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
12181                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
12182
12183         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
12184             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906 &&
12185             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
12186             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780) {
12187                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12188                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12189                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12190                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
12191                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
12192                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
12193                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
12194                         if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
12195                                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
12196                 } else
12197                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
12198         }
12199
12200         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12201             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
12202                 tp->phy_otp = tg3_read_otp_phycfg(tp);
12203                 if (tp->phy_otp == 0)
12204                         tp->phy_otp = TG3_OTP_DEFAULT;
12205         }
12206
12207         if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
12208                 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
12209         else
12210                 tp->mi_mode = MAC_MI_MODE_BASE;
12211
12212         tp->coalesce_mode = 0;
12213         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
12214             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
12215                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
12216
12217         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12218             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12219                 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
12220
12221         err = tg3_mdio_init(tp);
12222         if (err)
12223                 return err;
12224
12225         /* Initialize data/descriptor byte/word swapping. */
12226         val = tr32(GRC_MODE);
12227         val &= GRC_MODE_HOST_STACKUP;
12228         tw32(GRC_MODE, val | tp->grc_mode);
12229
12230         tg3_switch_clocks(tp);
12231
12232         /* Clear this out for sanity. */
12233         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
12234
12235         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12236                               &pci_state_reg);
12237         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
12238             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
12239                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
12240
12241                 if (chiprevid == CHIPREV_ID_5701_A0 ||
12242                     chiprevid == CHIPREV_ID_5701_B0 ||
12243                     chiprevid == CHIPREV_ID_5701_B2 ||
12244                     chiprevid == CHIPREV_ID_5701_B5) {
12245                         void __iomem *sram_base;
12246
12247                         /* Write some dummy words into the SRAM status block
12248                          * area, see if it reads back correctly.  If the return
12249                          * value is bad, force enable the PCIX workaround.
12250                          */
12251                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
12252
12253                         writel(0x00000000, sram_base);
12254                         writel(0x00000000, sram_base + 4);
12255                         writel(0xffffffff, sram_base + 4);
12256                         if (readl(sram_base) != 0x00000000)
12257                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12258                 }
12259         }
12260
12261         udelay(50);
12262         tg3_nvram_init(tp);
12263
12264         grc_misc_cfg = tr32(GRC_MISC_CFG);
12265         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
12266
12267         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12268             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
12269              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
12270                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
12271
12272         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
12273             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
12274                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
12275         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
12276                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
12277                                       HOSTCC_MODE_CLRTICK_TXBD);
12278
12279                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
12280                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12281                                        tp->misc_host_ctrl);
12282         }
12283
12284         /* Preserve the APE MAC_MODE bits */
12285         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
12286                 tp->mac_mode = tr32(MAC_MODE) |
12287                                MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
12288         else
12289                 tp->mac_mode = TG3_DEF_MAC_MODE;
12290
12291         /* these are limited to 10/100 only */
12292         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12293              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
12294             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12295              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12296              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
12297               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
12298               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
12299             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12300              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
12301               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
12302               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
12303             tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
12304             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12305                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
12306
12307         err = tg3_phy_probe(tp);
12308         if (err) {
12309                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
12310                        pci_name(tp->pdev), err);
12311                 /* ... but do not return immediately ... */
12312                 tg3_mdio_fini(tp);
12313         }
12314
12315         tg3_read_partno(tp);
12316         tg3_read_fw_ver(tp);
12317
12318         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
12319                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12320         } else {
12321                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12322                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
12323                 else
12324                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12325         }
12326
12327         /* 5700 {AX,BX} chips have a broken status block link
12328          * change bit implementation, so we must use the
12329          * status register in those cases.
12330          */
12331         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12332                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
12333         else
12334                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
12335
12336         /* The led_ctrl is set during tg3_phy_probe, here we might
12337          * have to force the link status polling mechanism based
12338          * upon subsystem IDs.
12339          */
12340         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
12341             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12342             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
12343                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
12344                                   TG3_FLAG_USE_LINKCHG_REG);
12345         }
12346
12347         /* For all SERDES we poll the MAC status register. */
12348         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
12349                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
12350         else
12351                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
12352
12353         tp->rx_offset = NET_IP_ALIGN;
12354         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12355             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
12356                 tp->rx_offset = 0;
12357
12358         tp->rx_std_max_post = TG3_RX_RING_SIZE;
12359
12360         /* Increment the rx prod index on the rx std ring by at most
12361          * 8 for these chips to workaround hw errata.
12362          */
12363         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12364             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12365             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
12366                 tp->rx_std_max_post = 8;
12367
12368         if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
12369                 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
12370                                      PCIE_PWR_MGMT_L1_THRESH_MSK;
12371
12372         return err;
12373 }
12374
12375 #ifdef CONFIG_SPARC
12376 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
12377 {
12378         struct net_device *dev = tp->dev;
12379         struct pci_dev *pdev = tp->pdev;
12380         struct device_node *dp = pci_device_to_OF_node(pdev);
12381         const unsigned char *addr;
12382         int len;
12383
12384         addr = of_get_property(dp, "local-mac-address", &len);
12385         if (addr && len == 6) {
12386                 memcpy(dev->dev_addr, addr, 6);
12387                 memcpy(dev->perm_addr, dev->dev_addr, 6);
12388                 return 0;
12389         }
12390         return -ENODEV;
12391 }
12392
12393 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
12394 {
12395         struct net_device *dev = tp->dev;
12396
12397         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
12398         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
12399         return 0;
12400 }
12401 #endif
12402
12403 static int __devinit tg3_get_device_address(struct tg3 *tp)
12404 {
12405         struct net_device *dev = tp->dev;
12406         u32 hi, lo, mac_offset;
12407         int addr_ok = 0;
12408
12409 #ifdef CONFIG_SPARC
12410         if (!tg3_get_macaddr_sparc(tp))
12411                 return 0;
12412 #endif
12413
12414         mac_offset = 0x7c;
12415         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
12416             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12417                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
12418                         mac_offset = 0xcc;
12419                 if (tg3_nvram_lock(tp))
12420                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
12421                 else
12422                         tg3_nvram_unlock(tp);
12423         }
12424         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12425                 mac_offset = 0x10;
12426
12427         /* First try to get it from MAC address mailbox. */
12428         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
12429         if ((hi >> 16) == 0x484b) {
12430                 dev->dev_addr[0] = (hi >>  8) & 0xff;
12431                 dev->dev_addr[1] = (hi >>  0) & 0xff;
12432
12433                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
12434                 dev->dev_addr[2] = (lo >> 24) & 0xff;
12435                 dev->dev_addr[3] = (lo >> 16) & 0xff;
12436                 dev->dev_addr[4] = (lo >>  8) & 0xff;
12437                 dev->dev_addr[5] = (lo >>  0) & 0xff;
12438
12439                 /* Some old bootcode may report a 0 MAC address in SRAM */
12440                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
12441         }
12442         if (!addr_ok) {
12443                 /* Next, try NVRAM. */
12444                 if (!tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
12445                     !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
12446                         memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
12447                         memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
12448                 }
12449                 /* Finally just fetch it out of the MAC control regs. */
12450                 else {
12451                         hi = tr32(MAC_ADDR_0_HIGH);
12452                         lo = tr32(MAC_ADDR_0_LOW);
12453
12454                         dev->dev_addr[5] = lo & 0xff;
12455                         dev->dev_addr[4] = (lo >> 8) & 0xff;
12456                         dev->dev_addr[3] = (lo >> 16) & 0xff;
12457                         dev->dev_addr[2] = (lo >> 24) & 0xff;
12458                         dev->dev_addr[1] = hi & 0xff;
12459                         dev->dev_addr[0] = (hi >> 8) & 0xff;
12460                 }
12461         }
12462
12463         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
12464 #ifdef CONFIG_SPARC
12465                 if (!tg3_get_default_macaddr_sparc(tp))
12466                         return 0;
12467 #endif
12468                 return -EINVAL;
12469         }
12470         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
12471         return 0;
12472 }
12473
12474 #define BOUNDARY_SINGLE_CACHELINE       1
12475 #define BOUNDARY_MULTI_CACHELINE        2
12476
12477 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
12478 {
12479         int cacheline_size;
12480         u8 byte;
12481         int goal;
12482
12483         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
12484         if (byte == 0)
12485                 cacheline_size = 1024;
12486         else
12487                 cacheline_size = (int) byte * 4;
12488
12489         /* On 5703 and later chips, the boundary bits have no
12490          * effect.
12491          */
12492         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12493             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12494             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12495                 goto out;
12496
12497 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
12498         goal = BOUNDARY_MULTI_CACHELINE;
12499 #else
12500 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
12501         goal = BOUNDARY_SINGLE_CACHELINE;
12502 #else
12503         goal = 0;
12504 #endif
12505 #endif
12506
12507         if (!goal)
12508                 goto out;
12509
12510         /* PCI controllers on most RISC systems tend to disconnect
12511          * when a device tries to burst across a cache-line boundary.
12512          * Therefore, letting tg3 do so just wastes PCI bandwidth.
12513          *
12514          * Unfortunately, for PCI-E there are only limited
12515          * write-side controls for this, and thus for reads
12516          * we will still get the disconnects.  We'll also waste
12517          * these PCI cycles for both read and write for chips
12518          * other than 5700 and 5701 which do not implement the
12519          * boundary bits.
12520          */
12521         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12522             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
12523                 switch (cacheline_size) {
12524                 case 16:
12525                 case 32:
12526                 case 64:
12527                 case 128:
12528                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12529                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
12530                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
12531                         } else {
12532                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12533                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12534                         }
12535                         break;
12536
12537                 case 256:
12538                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
12539                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
12540                         break;
12541
12542                 default:
12543                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12544                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12545                         break;
12546                 }
12547         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12548                 switch (cacheline_size) {
12549                 case 16:
12550                 case 32:
12551                 case 64:
12552                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12553                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12554                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
12555                                 break;
12556                         }
12557                         /* fallthrough */
12558                 case 128:
12559                 default:
12560                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12561                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
12562                         break;
12563                 }
12564         } else {
12565                 switch (cacheline_size) {
12566                 case 16:
12567                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12568                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
12569                                         DMA_RWCTRL_WRITE_BNDRY_16);
12570                                 break;
12571                         }
12572                         /* fallthrough */
12573                 case 32:
12574                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12575                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
12576                                         DMA_RWCTRL_WRITE_BNDRY_32);
12577                                 break;
12578                         }
12579                         /* fallthrough */
12580                 case 64:
12581                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12582                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
12583                                         DMA_RWCTRL_WRITE_BNDRY_64);
12584                                 break;
12585                         }
12586                         /* fallthrough */
12587                 case 128:
12588                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
12589                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
12590                                         DMA_RWCTRL_WRITE_BNDRY_128);
12591                                 break;
12592                         }
12593                         /* fallthrough */
12594                 case 256:
12595                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
12596                                 DMA_RWCTRL_WRITE_BNDRY_256);
12597                         break;
12598                 case 512:
12599                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
12600                                 DMA_RWCTRL_WRITE_BNDRY_512);
12601                         break;
12602                 case 1024:
12603                 default:
12604                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
12605                                 DMA_RWCTRL_WRITE_BNDRY_1024);
12606                         break;
12607                 }
12608         }
12609
12610 out:
12611         return val;
12612 }
12613
12614 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
12615 {
12616         struct tg3_internal_buffer_desc test_desc;
12617         u32 sram_dma_descs;
12618         int i, ret;
12619
12620         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
12621
12622         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
12623         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
12624         tw32(RDMAC_STATUS, 0);
12625         tw32(WDMAC_STATUS, 0);
12626
12627         tw32(BUFMGR_MODE, 0);
12628         tw32(FTQ_RESET, 0);
12629
12630         test_desc.addr_hi = ((u64) buf_dma) >> 32;
12631         test_desc.addr_lo = buf_dma & 0xffffffff;
12632         test_desc.nic_mbuf = 0x00002100;
12633         test_desc.len = size;
12634
12635         /*
12636          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
12637          * the *second* time the tg3 driver was getting loaded after an
12638          * initial scan.
12639          *
12640          * Broadcom tells me:
12641          *   ...the DMA engine is connected to the GRC block and a DMA
12642          *   reset may affect the GRC block in some unpredictable way...
12643          *   The behavior of resets to individual blocks has not been tested.
12644          *
12645          * Broadcom noted the GRC reset will also reset all sub-components.
12646          */
12647         if (to_device) {
12648                 test_desc.cqid_sqid = (13 << 8) | 2;
12649
12650                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
12651                 udelay(40);
12652         } else {
12653                 test_desc.cqid_sqid = (16 << 8) | 7;
12654
12655                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
12656                 udelay(40);
12657         }
12658         test_desc.flags = 0x00000005;
12659
12660         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
12661                 u32 val;
12662
12663                 val = *(((u32 *)&test_desc) + i);
12664                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
12665                                        sram_dma_descs + (i * sizeof(u32)));
12666                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
12667         }
12668         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
12669
12670         if (to_device) {
12671                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
12672         } else {
12673                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
12674         }
12675
12676         ret = -ENODEV;
12677         for (i = 0; i < 40; i++) {
12678                 u32 val;
12679
12680                 if (to_device)
12681                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
12682                 else
12683                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
12684                 if ((val & 0xffff) == sram_dma_descs) {
12685                         ret = 0;
12686                         break;
12687                 }
12688
12689                 udelay(100);
12690         }
12691
12692         return ret;
12693 }
12694
12695 #define TEST_BUFFER_SIZE        0x2000
12696
12697 static int __devinit tg3_test_dma(struct tg3 *tp)
12698 {
12699         dma_addr_t buf_dma;
12700         u32 *buf, saved_dma_rwctrl;
12701         int ret;
12702
12703         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
12704         if (!buf) {
12705                 ret = -ENOMEM;
12706                 goto out_nofree;
12707         }
12708
12709         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
12710                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
12711
12712         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
12713
12714         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12715                 /* DMA read watermark not used on PCIE */
12716                 tp->dma_rwctrl |= 0x00180000;
12717         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
12718                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
12719                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
12720                         tp->dma_rwctrl |= 0x003f0000;
12721                 else
12722                         tp->dma_rwctrl |= 0x003f000f;
12723         } else {
12724                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
12725                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
12726                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
12727                         u32 read_water = 0x7;
12728
12729                         /* If the 5704 is behind the EPB bridge, we can
12730                          * do the less restrictive ONE_DMA workaround for
12731                          * better performance.
12732                          */
12733                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
12734                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
12735                                 tp->dma_rwctrl |= 0x8000;
12736                         else if (ccval == 0x6 || ccval == 0x7)
12737                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
12738
12739                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
12740                                 read_water = 4;
12741                         /* Set bit 23 to enable PCIX hw bug fix */
12742                         tp->dma_rwctrl |=
12743                                 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
12744                                 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
12745                                 (1 << 23);
12746                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
12747                         /* 5780 always in PCIX mode */
12748                         tp->dma_rwctrl |= 0x00144000;
12749                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12750                         /* 5714 always in PCIX mode */
12751                         tp->dma_rwctrl |= 0x00148000;
12752                 } else {
12753                         tp->dma_rwctrl |= 0x001b000f;
12754                 }
12755         }
12756
12757         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
12758             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
12759                 tp->dma_rwctrl &= 0xfffffff0;
12760
12761         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12762             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
12763                 /* Remove this if it causes problems for some boards. */
12764                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
12765
12766                 /* On 5700/5701 chips, we need to set this bit.
12767                  * Otherwise the chip will issue cacheline transactions
12768                  * to streamable DMA memory with not all the byte
12769                  * enables turned on.  This is an error on several
12770                  * RISC PCI controllers, in particular sparc64.
12771                  *
12772                  * On 5703/5704 chips, this bit has been reassigned
12773                  * a different meaning.  In particular, it is used
12774                  * on those chips to enable a PCI-X workaround.
12775                  */
12776                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
12777         }
12778
12779         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12780
12781 #if 0
12782         /* Unneeded, already done by tg3_get_invariants.  */
12783         tg3_switch_clocks(tp);
12784 #endif
12785
12786         ret = 0;
12787         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12788             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
12789                 goto out;
12790
12791         /* It is best to perform DMA test with maximum write burst size
12792          * to expose the 5700/5701 write DMA bug.
12793          */
12794         saved_dma_rwctrl = tp->dma_rwctrl;
12795         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12796         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12797
12798         while (1) {
12799                 u32 *p = buf, i;
12800
12801                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
12802                         p[i] = i;
12803
12804                 /* Send the buffer to the chip. */
12805                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
12806                 if (ret) {
12807                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
12808                         break;
12809                 }
12810
12811 #if 0
12812                 /* validate data reached card RAM correctly. */
12813                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12814                         u32 val;
12815                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
12816                         if (le32_to_cpu(val) != p[i]) {
12817                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
12818                                 /* ret = -ENODEV here? */
12819                         }
12820                         p[i] = 0;
12821                 }
12822 #endif
12823                 /* Now read it back. */
12824                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
12825                 if (ret) {
12826                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
12827
12828                         break;
12829                 }
12830
12831                 /* Verify it. */
12832                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12833                         if (p[i] == i)
12834                                 continue;
12835
12836                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12837                             DMA_RWCTRL_WRITE_BNDRY_16) {
12838                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12839                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12840                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12841                                 break;
12842                         } else {
12843                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
12844                                 ret = -ENODEV;
12845                                 goto out;
12846                         }
12847                 }
12848
12849                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
12850                         /* Success. */
12851                         ret = 0;
12852                         break;
12853                 }
12854         }
12855         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12856             DMA_RWCTRL_WRITE_BNDRY_16) {
12857                 static struct pci_device_id dma_wait_state_chipsets[] = {
12858                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
12859                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
12860                         { },
12861                 };
12862
12863                 /* DMA test passed without adjusting DMA boundary,
12864                  * now look for chipsets that are known to expose the
12865                  * DMA bug without failing the test.
12866                  */
12867                 if (pci_dev_present(dma_wait_state_chipsets)) {
12868                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12869                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12870                 }
12871                 else
12872                         /* Safe to use the calculated DMA boundary. */
12873                         tp->dma_rwctrl = saved_dma_rwctrl;
12874
12875                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12876         }
12877
12878 out:
12879         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
12880 out_nofree:
12881         return ret;
12882 }
12883
12884 static void __devinit tg3_init_link_config(struct tg3 *tp)
12885 {
12886         tp->link_config.advertising =
12887                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12888                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12889                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
12890                  ADVERTISED_Autoneg | ADVERTISED_MII);
12891         tp->link_config.speed = SPEED_INVALID;
12892         tp->link_config.duplex = DUPLEX_INVALID;
12893         tp->link_config.autoneg = AUTONEG_ENABLE;
12894         tp->link_config.active_speed = SPEED_INVALID;
12895         tp->link_config.active_duplex = DUPLEX_INVALID;
12896         tp->link_config.phy_is_low_power = 0;
12897         tp->link_config.orig_speed = SPEED_INVALID;
12898         tp->link_config.orig_duplex = DUPLEX_INVALID;
12899         tp->link_config.orig_autoneg = AUTONEG_INVALID;
12900 }
12901
12902 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
12903 {
12904         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12905                 tp->bufmgr_config.mbuf_read_dma_low_water =
12906                         DEFAULT_MB_RDMA_LOW_WATER_5705;
12907                 tp->bufmgr_config.mbuf_mac_rx_low_water =
12908                         DEFAULT_MB_MACRX_LOW_WATER_5705;
12909                 tp->bufmgr_config.mbuf_high_water =
12910                         DEFAULT_MB_HIGH_WATER_5705;
12911                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12912                         tp->bufmgr_config.mbuf_mac_rx_low_water =
12913                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
12914                         tp->bufmgr_config.mbuf_high_water =
12915                                 DEFAULT_MB_HIGH_WATER_5906;
12916                 }
12917
12918                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12919                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
12920                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12921                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
12922                 tp->bufmgr_config.mbuf_high_water_jumbo =
12923                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
12924         } else {
12925                 tp->bufmgr_config.mbuf_read_dma_low_water =
12926                         DEFAULT_MB_RDMA_LOW_WATER;
12927                 tp->bufmgr_config.mbuf_mac_rx_low_water =
12928                         DEFAULT_MB_MACRX_LOW_WATER;
12929                 tp->bufmgr_config.mbuf_high_water =
12930                         DEFAULT_MB_HIGH_WATER;
12931
12932                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12933                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
12934                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12935                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
12936                 tp->bufmgr_config.mbuf_high_water_jumbo =
12937                         DEFAULT_MB_HIGH_WATER_JUMBO;
12938         }
12939
12940         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
12941         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
12942 }
12943
12944 static char * __devinit tg3_phy_string(struct tg3 *tp)
12945 {
12946         switch (tp->phy_id & PHY_ID_MASK) {
12947         case PHY_ID_BCM5400:    return "5400";
12948         case PHY_ID_BCM5401:    return "5401";
12949         case PHY_ID_BCM5411:    return "5411";
12950         case PHY_ID_BCM5701:    return "5701";
12951         case PHY_ID_BCM5703:    return "5703";
12952         case PHY_ID_BCM5704:    return "5704";
12953         case PHY_ID_BCM5705:    return "5705";
12954         case PHY_ID_BCM5750:    return "5750";
12955         case PHY_ID_BCM5752:    return "5752";
12956         case PHY_ID_BCM5714:    return "5714";
12957         case PHY_ID_BCM5780:    return "5780";
12958         case PHY_ID_BCM5755:    return "5755";
12959         case PHY_ID_BCM5787:    return "5787";
12960         case PHY_ID_BCM5784:    return "5784";
12961         case PHY_ID_BCM5756:    return "5722/5756";
12962         case PHY_ID_BCM5906:    return "5906";
12963         case PHY_ID_BCM5761:    return "5761";
12964         case PHY_ID_BCM8002:    return "8002/serdes";
12965         case 0:                 return "serdes";
12966         default:                return "unknown";
12967         }
12968 }
12969
12970 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
12971 {
12972         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12973                 strcpy(str, "PCI Express");
12974                 return str;
12975         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12976                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
12977
12978                 strcpy(str, "PCIX:");
12979
12980                 if ((clock_ctrl == 7) ||
12981                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
12982                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
12983                         strcat(str, "133MHz");
12984                 else if (clock_ctrl == 0)
12985                         strcat(str, "33MHz");
12986                 else if (clock_ctrl == 2)
12987                         strcat(str, "50MHz");
12988                 else if (clock_ctrl == 4)
12989                         strcat(str, "66MHz");
12990                 else if (clock_ctrl == 6)
12991                         strcat(str, "100MHz");
12992         } else {
12993                 strcpy(str, "PCI:");
12994                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
12995                         strcat(str, "66MHz");
12996                 else
12997                         strcat(str, "33MHz");
12998         }
12999         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
13000                 strcat(str, ":32-bit");
13001         else
13002                 strcat(str, ":64-bit");
13003         return str;
13004 }
13005
13006 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
13007 {
13008         struct pci_dev *peer;
13009         unsigned int func, devnr = tp->pdev->devfn & ~7;
13010
13011         for (func = 0; func < 8; func++) {
13012                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
13013                 if (peer && peer != tp->pdev)
13014                         break;
13015                 pci_dev_put(peer);
13016         }
13017         /* 5704 can be configured in single-port mode, set peer to
13018          * tp->pdev in that case.
13019          */
13020         if (!peer) {
13021                 peer = tp->pdev;
13022                 return peer;
13023         }
13024
13025         /*
13026          * We don't need to keep the refcount elevated; there's no way
13027          * to remove one half of this device without removing the other
13028          */
13029         pci_dev_put(peer);
13030
13031         return peer;
13032 }
13033
13034 static void __devinit tg3_init_coal(struct tg3 *tp)
13035 {
13036         struct ethtool_coalesce *ec = &tp->coal;
13037
13038         memset(ec, 0, sizeof(*ec));
13039         ec->cmd = ETHTOOL_GCOALESCE;
13040         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
13041         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
13042         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
13043         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
13044         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
13045         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
13046         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
13047         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
13048         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
13049
13050         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
13051                                  HOSTCC_MODE_CLRTICK_TXBD)) {
13052                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
13053                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
13054                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
13055                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
13056         }
13057
13058         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13059                 ec->rx_coalesce_usecs_irq = 0;
13060                 ec->tx_coalesce_usecs_irq = 0;
13061                 ec->stats_block_coalesce_usecs = 0;
13062         }
13063 }
13064
13065 static const struct net_device_ops tg3_netdev_ops = {
13066         .ndo_open               = tg3_open,
13067         .ndo_stop               = tg3_close,
13068         .ndo_start_xmit         = tg3_start_xmit,
13069         .ndo_get_stats          = tg3_get_stats,
13070         .ndo_validate_addr      = eth_validate_addr,
13071         .ndo_set_multicast_list = tg3_set_rx_mode,
13072         .ndo_set_mac_address    = tg3_set_mac_addr,
13073         .ndo_do_ioctl           = tg3_ioctl,
13074         .ndo_tx_timeout         = tg3_tx_timeout,
13075         .ndo_change_mtu         = tg3_change_mtu,
13076 #if TG3_VLAN_TAG_USED
13077         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
13078 #endif
13079 #ifdef CONFIG_NET_POLL_CONTROLLER
13080         .ndo_poll_controller    = tg3_poll_controller,
13081 #endif
13082 };
13083
13084 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
13085         .ndo_open               = tg3_open,
13086         .ndo_stop               = tg3_close,
13087         .ndo_start_xmit         = tg3_start_xmit_dma_bug,
13088         .ndo_get_stats          = tg3_get_stats,
13089         .ndo_validate_addr      = eth_validate_addr,
13090         .ndo_set_multicast_list = tg3_set_rx_mode,
13091         .ndo_set_mac_address    = tg3_set_mac_addr,
13092         .ndo_do_ioctl           = tg3_ioctl,
13093         .ndo_tx_timeout         = tg3_tx_timeout,
13094         .ndo_change_mtu         = tg3_change_mtu,
13095 #if TG3_VLAN_TAG_USED
13096         .ndo_vlan_rx_register   = tg3_vlan_rx_register,
13097 #endif
13098 #ifdef CONFIG_NET_POLL_CONTROLLER
13099         .ndo_poll_controller    = tg3_poll_controller,
13100 #endif
13101 };
13102
13103 static int __devinit tg3_init_one(struct pci_dev *pdev,
13104                                   const struct pci_device_id *ent)
13105 {
13106         static int tg3_version_printed = 0;
13107         struct net_device *dev;
13108         struct tg3 *tp;
13109         int err, pm_cap;
13110         char str[40];
13111         u64 dma_mask, persist_dma_mask;
13112
13113         if (tg3_version_printed++ == 0)
13114                 printk(KERN_INFO "%s", version);
13115
13116         err = pci_enable_device(pdev);
13117         if (err) {
13118                 printk(KERN_ERR PFX "Cannot enable PCI device, "
13119                        "aborting.\n");
13120                 return err;
13121         }
13122
13123         err = pci_request_regions(pdev, DRV_MODULE_NAME);
13124         if (err) {
13125                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
13126                        "aborting.\n");
13127                 goto err_out_disable_pdev;
13128         }
13129
13130         pci_set_master(pdev);
13131
13132         /* Find power-management capability. */
13133         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
13134         if (pm_cap == 0) {
13135                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
13136                        "aborting.\n");
13137                 err = -EIO;
13138                 goto err_out_free_res;
13139         }
13140
13141         dev = alloc_etherdev(sizeof(*tp));
13142         if (!dev) {
13143                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
13144                 err = -ENOMEM;
13145                 goto err_out_free_res;
13146         }
13147
13148         SET_NETDEV_DEV(dev, &pdev->dev);
13149
13150 #if TG3_VLAN_TAG_USED
13151         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
13152 #endif
13153
13154         tp = netdev_priv(dev);
13155         tp->pdev = pdev;
13156         tp->dev = dev;
13157         tp->pm_cap = pm_cap;
13158         tp->rx_mode = TG3_DEF_RX_MODE;
13159         tp->tx_mode = TG3_DEF_TX_MODE;
13160
13161         if (tg3_debug > 0)
13162                 tp->msg_enable = tg3_debug;
13163         else
13164                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
13165
13166         /* The word/byte swap controls here control register access byte
13167          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
13168          * setting below.
13169          */
13170         tp->misc_host_ctrl =
13171                 MISC_HOST_CTRL_MASK_PCI_INT |
13172                 MISC_HOST_CTRL_WORD_SWAP |
13173                 MISC_HOST_CTRL_INDIR_ACCESS |
13174                 MISC_HOST_CTRL_PCISTATE_RW;
13175
13176         /* The NONFRM (non-frame) byte/word swap controls take effect
13177          * on descriptor entries, anything which isn't packet data.
13178          *
13179          * The StrongARM chips on the board (one for tx, one for rx)
13180          * are running in big-endian mode.
13181          */
13182         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
13183                         GRC_MODE_WSWAP_NONFRM_DATA);
13184 #ifdef __BIG_ENDIAN
13185         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
13186 #endif
13187         spin_lock_init(&tp->lock);
13188         spin_lock_init(&tp->indirect_lock);
13189         INIT_WORK(&tp->reset_task, tg3_reset_task);
13190
13191         tp->regs = pci_ioremap_bar(pdev, BAR_0);
13192         if (!tp->regs) {
13193                 printk(KERN_ERR PFX "Cannot map device registers, "
13194                        "aborting.\n");
13195                 err = -ENOMEM;
13196                 goto err_out_free_dev;
13197         }
13198
13199         tg3_init_link_config(tp);
13200
13201         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
13202         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
13203         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
13204
13205         netif_napi_add(dev, &tp->napi, tg3_poll, 64);
13206         dev->ethtool_ops = &tg3_ethtool_ops;
13207         dev->watchdog_timeo = TG3_TX_TIMEOUT;
13208         dev->irq = pdev->irq;
13209
13210         err = tg3_get_invariants(tp);
13211         if (err) {
13212                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
13213                        "aborting.\n");
13214                 goto err_out_iounmap;
13215         }
13216
13217         if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13218             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13219                 dev->netdev_ops = &tg3_netdev_ops;
13220         else
13221                 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
13222
13223
13224         /* The EPB bridge inside 5714, 5715, and 5780 and any
13225          * device behind the EPB cannot support DMA addresses > 40-bit.
13226          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
13227          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
13228          * do DMA address check in tg3_start_xmit().
13229          */
13230         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
13231                 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
13232         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
13233                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
13234 #ifdef CONFIG_HIGHMEM
13235                 dma_mask = DMA_64BIT_MASK;
13236 #endif
13237         } else
13238                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
13239
13240         /* Configure DMA attributes. */
13241         if (dma_mask > DMA_32BIT_MASK) {
13242                 err = pci_set_dma_mask(pdev, dma_mask);
13243                 if (!err) {
13244                         dev->features |= NETIF_F_HIGHDMA;
13245                         err = pci_set_consistent_dma_mask(pdev,
13246                                                           persist_dma_mask);
13247                         if (err < 0) {
13248                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
13249                                        "DMA for consistent allocations\n");
13250                                 goto err_out_iounmap;
13251                         }
13252                 }
13253         }
13254         if (err || dma_mask == DMA_32BIT_MASK) {
13255                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
13256                 if (err) {
13257                         printk(KERN_ERR PFX "No usable DMA configuration, "
13258                                "aborting.\n");
13259                         goto err_out_iounmap;
13260                 }
13261         }
13262
13263         tg3_init_bufmgr_config(tp);
13264
13265         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
13266                 tp->fw_needed = FIRMWARE_TG3;
13267
13268         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13269                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
13270         }
13271         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13272             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13273             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
13274             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13275             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
13276                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
13277         } else {
13278                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
13279                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13280                         tp->fw_needed = FIRMWARE_TG3TSO5;
13281                 else
13282                         tp->fw_needed = FIRMWARE_TG3TSO;
13283         }
13284
13285         /* TSO is on by default on chips that support hardware TSO.
13286          * Firmware TSO on older chips gives lower performance, so it
13287          * is off by default, but can be enabled using ethtool.
13288          */
13289         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13290                 if (dev->features & NETIF_F_IP_CSUM)
13291                         dev->features |= NETIF_F_TSO;
13292                 if ((dev->features & NETIF_F_IPV6_CSUM) &&
13293                     (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2))
13294                         dev->features |= NETIF_F_TSO6;
13295                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13296                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13297                      GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
13298                         GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13299                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13300                         dev->features |= NETIF_F_TSO_ECN;
13301         }
13302
13303
13304         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
13305             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
13306             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
13307                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
13308                 tp->rx_pending = 63;
13309         }
13310
13311         err = tg3_get_device_address(tp);
13312         if (err) {
13313                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
13314                        "aborting.\n");
13315                 goto err_out_fw;
13316         }
13317
13318         if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13319                 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
13320                 if (!tp->aperegs) {
13321                         printk(KERN_ERR PFX "Cannot map APE registers, "
13322                                "aborting.\n");
13323                         err = -ENOMEM;
13324                         goto err_out_fw;
13325                 }
13326
13327                 tg3_ape_lock_init(tp);
13328
13329                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
13330                         tg3_read_dash_ver(tp);
13331         }
13332
13333         /*
13334          * Reset chip in case UNDI or EFI driver did not shutdown
13335          * DMA self test will enable WDMAC and we'll see (spurious)
13336          * pending DMA on the PCI bus at that point.
13337          */
13338         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
13339             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
13340                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
13341                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13342         }
13343
13344         err = tg3_test_dma(tp);
13345         if (err) {
13346                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
13347                 goto err_out_apeunmap;
13348         }
13349
13350         /* flow control autonegotiation is default behavior */
13351         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
13352         tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
13353
13354         tg3_init_coal(tp);
13355
13356         pci_set_drvdata(pdev, dev);
13357
13358         err = register_netdev(dev);
13359         if (err) {
13360                 printk(KERN_ERR PFX "Cannot register net device, "
13361                        "aborting.\n");
13362                 goto err_out_apeunmap;
13363         }
13364
13365         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
13366                dev->name,
13367                tp->board_part_number,
13368                tp->pci_chip_rev_id,
13369                tg3_bus_string(tp, str),
13370                dev->dev_addr);
13371
13372         if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
13373                 printk(KERN_INFO
13374                        "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
13375                        tp->dev->name,
13376                        tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
13377                        dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
13378         else
13379                 printk(KERN_INFO
13380                        "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
13381                        tp->dev->name, tg3_phy_string(tp),
13382                        ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
13383                         ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
13384                          "10/100/1000Base-T")),
13385                        (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
13386
13387         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
13388                dev->name,
13389                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
13390                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
13391                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
13392                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
13393                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
13394         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
13395                dev->name, tp->dma_rwctrl,
13396                (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
13397                 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
13398
13399         return 0;
13400
13401 err_out_apeunmap:
13402         if (tp->aperegs) {
13403                 iounmap(tp->aperegs);
13404                 tp->aperegs = NULL;
13405         }
13406
13407 err_out_fw:
13408         if (tp->fw)
13409                 release_firmware(tp->fw);
13410
13411 err_out_iounmap:
13412         if (tp->regs) {
13413                 iounmap(tp->regs);
13414                 tp->regs = NULL;
13415         }
13416
13417 err_out_free_dev:
13418         free_netdev(dev);
13419
13420 err_out_free_res:
13421         pci_release_regions(pdev);
13422
13423 err_out_disable_pdev:
13424         pci_disable_device(pdev);
13425         pci_set_drvdata(pdev, NULL);
13426         return err;
13427 }
13428
13429 static void __devexit tg3_remove_one(struct pci_dev *pdev)
13430 {
13431         struct net_device *dev = pci_get_drvdata(pdev);
13432
13433         if (dev) {
13434                 struct tg3 *tp = netdev_priv(dev);
13435
13436                 if (tp->fw)
13437                         release_firmware(tp->fw);
13438
13439                 flush_scheduled_work();
13440
13441                 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
13442                         tg3_phy_fini(tp);
13443                         tg3_mdio_fini(tp);
13444                 }
13445
13446                 unregister_netdev(dev);
13447                 if (tp->aperegs) {
13448                         iounmap(tp->aperegs);
13449                         tp->aperegs = NULL;
13450                 }
13451                 if (tp->regs) {
13452                         iounmap(tp->regs);
13453                         tp->regs = NULL;
13454                 }
13455                 free_netdev(dev);
13456                 pci_release_regions(pdev);
13457                 pci_disable_device(pdev);
13458                 pci_set_drvdata(pdev, NULL);
13459         }
13460 }
13461
13462 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
13463 {
13464         struct net_device *dev = pci_get_drvdata(pdev);
13465         struct tg3 *tp = netdev_priv(dev);
13466         pci_power_t target_state;
13467         int err;
13468
13469         /* PCI register 4 needs to be saved whether netif_running() or not.
13470          * MSI address and data need to be saved if using MSI and
13471          * netif_running().
13472          */
13473         pci_save_state(pdev);
13474
13475         if (!netif_running(dev))
13476                 return 0;
13477
13478         flush_scheduled_work();
13479         tg3_phy_stop(tp);
13480         tg3_netif_stop(tp);
13481
13482         del_timer_sync(&tp->timer);
13483
13484         tg3_full_lock(tp, 1);
13485         tg3_disable_ints(tp);
13486         tg3_full_unlock(tp);
13487
13488         netif_device_detach(dev);
13489
13490         tg3_full_lock(tp, 0);
13491         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13492         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
13493         tg3_full_unlock(tp);
13494
13495         target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
13496
13497         err = tg3_set_power_state(tp, target_state);
13498         if (err) {
13499                 int err2;
13500
13501                 tg3_full_lock(tp, 0);
13502
13503                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13504                 err2 = tg3_restart_hw(tp, 1);
13505                 if (err2)
13506                         goto out;
13507
13508                 tp->timer.expires = jiffies + tp->timer_offset;
13509                 add_timer(&tp->timer);
13510
13511                 netif_device_attach(dev);
13512                 tg3_netif_start(tp);
13513
13514 out:
13515                 tg3_full_unlock(tp);
13516
13517                 if (!err2)
13518                         tg3_phy_start(tp);
13519         }
13520
13521         return err;
13522 }
13523
13524 static int tg3_resume(struct pci_dev *pdev)
13525 {
13526         struct net_device *dev = pci_get_drvdata(pdev);
13527         struct tg3 *tp = netdev_priv(dev);
13528         int err;
13529
13530         pci_restore_state(tp->pdev);
13531
13532         if (!netif_running(dev))
13533                 return 0;
13534
13535         err = tg3_set_power_state(tp, PCI_D0);
13536         if (err)
13537                 return err;
13538
13539         netif_device_attach(dev);
13540
13541         tg3_full_lock(tp, 0);
13542
13543         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13544         err = tg3_restart_hw(tp, 1);
13545         if (err)
13546                 goto out;
13547
13548         tp->timer.expires = jiffies + tp->timer_offset;
13549         add_timer(&tp->timer);
13550
13551         tg3_netif_start(tp);
13552
13553 out:
13554         tg3_full_unlock(tp);
13555
13556         if (!err)
13557                 tg3_phy_start(tp);
13558
13559         return err;
13560 }
13561
13562 static struct pci_driver tg3_driver = {
13563         .name           = DRV_MODULE_NAME,
13564         .id_table       = tg3_pci_tbl,
13565         .probe          = tg3_init_one,
13566         .remove         = __devexit_p(tg3_remove_one),
13567         .suspend        = tg3_suspend,
13568         .resume         = tg3_resume
13569 };
13570
13571 static int __init tg3_init(void)
13572 {
13573         return pci_register_driver(&tg3_driver);
13574 }
13575
13576 static void __exit tg3_cleanup(void)
13577 {
13578         pci_unregister_driver(&tg3_driver);
13579 }
13580
13581 module_init(tg3_init);
13582 module_exit(tg3_cleanup);