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 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  10  *      Derived from proprietary unpublished source code,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/if_vlan.h>
  36 #include <linux/ip.h>
  37 #include <linux/tcp.h>
  38 #include <linux/workqueue.h>
  39 #include <linux/prefetch.h>
  40 #include <linux/dma-mapping.h>
  41
  42 #include <net/checksum.h>
  43
  44 #include <asm/system.h>
  45 #include <asm/io.h>
  46 #include <asm/byteorder.h>
  47 #include <asm/uaccess.h>
  48
  49 #ifdef CONFIG_SPARC64
  50 #include <asm/idprom.h>
  51 #include <asm/oplib.h>
  52 #include <asm/pbm.h>
  53 #endif
  54
  55 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
  56 #define TG3_VLAN_TAG_USED 1
  57 #else
  58 #define TG3_VLAN_TAG_USED 0
  59 #endif
  60
  61 #ifdef NETIF_F_TSO
  62 #define TG3_TSO_SUPPORT 1
  63 #else
  64 #define TG3_TSO_SUPPORT 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      "3.65"
  72 #define DRV_MODULE_RELDATE      "August 07, 2006"
  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            (TG3_TX_RING_SIZE / 4)
 133
 134 /* number of ETHTOOL_GSTATS u64's */
 135 #define TG3_NUM_STATS           (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
 136
 137 #define TG3_NUM_TEST            6
 138
 139 static char version[] __devinitdata =
 140         DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 141
 142 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
 143 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
 144 MODULE_LICENSE("GPL");
 145 MODULE_VERSION(DRV_MODULE_VERSION);
 146
 147 static int tg3_debug = -1;      /* -1 == use TG3_DEF_MSG_ENABLE as value */
 148 module_param(tg3_debug, int, 0);
 149 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
 150
 151 static struct pci_device_id tg3_pci_tbl[] = {
 152         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
 153         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
 154         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
 155         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
 156         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
 157         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
 158         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
 159         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
 160         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
 161         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
 162         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
 163         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
 164         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
 165         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
 166         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
 167         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
 168         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
 169         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
 170         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
 171         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
 172         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
 173         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
 174         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
 175         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
 176         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
 177         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
 178         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
 179         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
 180         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
 181         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
 182         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
 183         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
 184         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
 185         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
 186         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
 187         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
 188         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
 189         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
 190         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
 191         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
 192         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
 193         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
 194         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
 195         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
 196         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
 197         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
 198         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
 199         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
 200         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
 201         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
 202         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
 203         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
 204         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
 205         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
 206         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
 207         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
 208         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
 209         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
 210         {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
 211         {}
 212 };
 213
 214 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
 215
 216 static const struct {
 217         const char string[ETH_GSTRING_LEN];
 218 } ethtool_stats_keys[TG3_NUM_STATS] = {
 219         { "rx_octets" },
 220         { "rx_fragments" },
 221         { "rx_ucast_packets" },
 222         { "rx_mcast_packets" },
 223         { "rx_bcast_packets" },
 224         { "rx_fcs_errors" },
 225         { "rx_align_errors" },
 226         { "rx_xon_pause_rcvd" },
 227         { "rx_xoff_pause_rcvd" },
 228         { "rx_mac_ctrl_rcvd" },
 229         { "rx_xoff_entered" },
 230         { "rx_frame_too_long_errors" },
 231         { "rx_jabbers" },
 232         { "rx_undersize_packets" },
 233         { "rx_in_length_errors" },
 234         { "rx_out_length_errors" },
 235         { "rx_64_or_less_octet_packets" },
 236         { "rx_65_to_127_octet_packets" },
 237         { "rx_128_to_255_octet_packets" },
 238         { "rx_256_to_511_octet_packets" },
 239         { "rx_512_to_1023_octet_packets" },
 240         { "rx_1024_to_1522_octet_packets" },
 241         { "rx_1523_to_2047_octet_packets" },
 242         { "rx_2048_to_4095_octet_packets" },
 243         { "rx_4096_to_8191_octet_packets" },
 244         { "rx_8192_to_9022_octet_packets" },
 245
 246         { "tx_octets" },
 247         { "tx_collisions" },
 248
 249         { "tx_xon_sent" },
 250         { "tx_xoff_sent" },
 251         { "tx_flow_control" },
 252         { "tx_mac_errors" },
 253         { "tx_single_collisions" },
 254         { "tx_mult_collisions" },
 255         { "tx_deferred" },
 256         { "tx_excessive_collisions" },
 257         { "tx_late_collisions" },
 258         { "tx_collide_2times" },
 259         { "tx_collide_3times" },
 260         { "tx_collide_4times" },
 261         { "tx_collide_5times" },
 262         { "tx_collide_6times" },
 263         { "tx_collide_7times" },
 264         { "tx_collide_8times" },
 265         { "tx_collide_9times" },
 266         { "tx_collide_10times" },
 267         { "tx_collide_11times" },
 268         { "tx_collide_12times" },
 269         { "tx_collide_13times" },
 270         { "tx_collide_14times" },
 271         { "tx_collide_15times" },
 272         { "tx_ucast_packets" },
 273         { "tx_mcast_packets" },
 274         { "tx_bcast_packets" },
 275         { "tx_carrier_sense_errors" },
 276         { "tx_discards" },
 277         { "tx_errors" },
 278
 279         { "dma_writeq_full" },
 280         { "dma_write_prioq_full" },
 281         { "rxbds_empty" },
 282         { "rx_discards" },
 283         { "rx_errors" },
 284         { "rx_threshold_hit" },
 285
 286         { "dma_readq_full" },
 287         { "dma_read_prioq_full" },
 288         { "tx_comp_queue_full" },
 289
 290         { "ring_set_send_prod_index" },
 291         { "ring_status_update" },
 292         { "nic_irqs" },
 293         { "nic_avoided_irqs" },
 294         { "nic_tx_threshold_hit" }
 295 };
 296
 297 static const struct {
 298         const char string[ETH_GSTRING_LEN];
 299 } ethtool_test_keys[TG3_NUM_TEST] = {
 300         { "nvram test     (online) " },
 301         { "link test      (online) " },
 302         { "register test  (offline)" },
 303         { "memory test    (offline)" },
 304         { "loopback test  (offline)" },
 305         { "interrupt test (offline)" },
 306 };
 307
 308 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
 309 {
 310         writel(val, tp->regs + off);
 311 }
 312
 313 static u32 tg3_read32(struct tg3 *tp, u32 off)
 314 {
 315         return (readl(tp->regs + off));
 316 }
 317
 318 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
 319 {
 320         unsigned long flags;
 321
 322         spin_lock_irqsave(&tp->indirect_lock, flags);
 323         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 324         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 325         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 326 }
 327
 328 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
 329 {
 330         writel(val, tp->regs + off);
 331         readl(tp->regs + off);
 332 }
 333
 334 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
 335 {
 336         unsigned long flags;
 337         u32 val;
 338
 339         spin_lock_irqsave(&tp->indirect_lock, flags);
 340         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
 341         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 342         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 343         return val;
 344 }
 345
 346 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
 347 {
 348         unsigned long flags;
 349
 350         if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
 351                 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
 352                                        TG3_64BIT_REG_LOW, val);
 353                 return;
 354         }
 355         if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
 356                 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
 357                                        TG3_64BIT_REG_LOW, val);
 358                 return;
 359         }
 360
 361         spin_lock_irqsave(&tp->indirect_lock, flags);
 362         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 363         pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
 364         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 365
 366         /* In indirect mode when disabling interrupts, we also need
 367          * to clear the interrupt bit in the GRC local ctrl register.
 368          */
 369         if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
 370             (val == 0x1)) {
 371                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
 372                                        tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
 373         }
 374 }
 375
 376 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
 377 {
 378         unsigned long flags;
 379         u32 val;
 380
 381         spin_lock_irqsave(&tp->indirect_lock, flags);
 382         pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
 383         pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
 384         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 385         return val;
 386 }
 387
 388 /* usec_wait specifies the wait time in usec when writing to certain registers
 389  * where it is unsafe to read back the register without some delay.
 390  * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
 391  * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
 392  */
 393 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
 394 {
 395         if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
 396             (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 397                 /* Non-posted methods */
 398                 tp->write32(tp, off, val);
 399         else {
 400                 /* Posted method */
 401                 tg3_write32(tp, off, val);
 402                 if (usec_wait)
 403                         udelay(usec_wait);
 404                 tp->read32(tp, off);
 405         }
 406         /* Wait again after the read for the posted method to guarantee that
 407          * the wait time is met.
 408          */
 409         if (usec_wait)
 410                 udelay(usec_wait);
 411 }
 412
 413 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
 414 {
 415         tp->write32_mbox(tp, off, val);
 416         if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
 417             !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
 418                 tp->read32_mbox(tp, off);
 419 }
 420
 421 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
 422 {
 423         void __iomem *mbox = tp->regs + off;
 424         writel(val, mbox);
 425         if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
 426                 writel(val, mbox);
 427         if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
 428                 readl(mbox);
 429 }
 430
 431 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
 432 {
 433         return (readl(tp->regs + off + GRCMBOX_BASE));
 434 }
 435
 436 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
 437 {
 438         writel(val, tp->regs + off + GRCMBOX_BASE);
 439 }
 440
 441 #define tw32_mailbox(reg, val)  tp->write32_mbox(tp, reg, val)
 442 #define tw32_mailbox_f(reg, val)        tw32_mailbox_flush(tp, (reg), (val))
 443 #define tw32_rx_mbox(reg, val)  tp->write32_rx_mbox(tp, reg, val)
 444 #define tw32_tx_mbox(reg, val)  tp->write32_tx_mbox(tp, reg, val)
 445 #define tr32_mailbox(reg)       tp->read32_mbox(tp, reg)
 446
 447 #define tw32(reg,val)           tp->write32(tp, reg, val)
 448 #define tw32_f(reg,val)         _tw32_flush(tp,(reg),(val), 0)
 449 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
 450 #define tr32(reg)               tp->read32(tp, reg)
 451
 452 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
 453 {
 454         unsigned long flags;
 455
 456         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 457             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
 458                 return;
 459
 460         spin_lock_irqsave(&tp->indirect_lock, flags);
 461         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 462                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 463                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 464
 465                 /* Always leave this as zero. */
 466                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 467         } else {
 468                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 469                 tw32_f(TG3PCI_MEM_WIN_DATA, val);
 470
 471                 /* Always leave this as zero. */
 472                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 473         }
 474         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 475 }
 476
 477 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
 478 {
 479         unsigned long flags;
 480
 481         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
 482             (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
 483                 *val = 0;
 484                 return;
 485         }
 486
 487         spin_lock_irqsave(&tp->indirect_lock, flags);
 488         if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
 489                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
 490                 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 491
 492                 /* Always leave this as zero. */
 493                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
 494         } else {
 495                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
 496                 *val = tr32(TG3PCI_MEM_WIN_DATA);
 497
 498                 /* Always leave this as zero. */
 499                 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
 500         }
 501         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 502 }
 503
 504 static void tg3_disable_ints(struct tg3 *tp)
 505 {
 506         tw32(TG3PCI_MISC_HOST_CTRL,
 507              (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
 508         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
 509 }
 510
 511 static inline void tg3_cond_int(struct tg3 *tp)
 512 {
 513         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 514             (tp->hw_status->status & SD_STATUS_UPDATED))
 515                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
 516         else
 517                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 518                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 519 }
 520
 521 static void tg3_enable_ints(struct tg3 *tp)
 522 {
 523         tp->irq_sync = 0;
 524         wmb();
 525
 526         tw32(TG3PCI_MISC_HOST_CTRL,
 527              (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
 528         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 529                        (tp->last_tag << 24));
 530         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
 531                 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 532                                (tp->last_tag << 24));
 533         tg3_cond_int(tp);
 534 }
 535
 536 static inline unsigned int tg3_has_work(struct tg3 *tp)
 537 {
 538         struct tg3_hw_status *sblk = tp->hw_status;
 539         unsigned int work_exists = 0;
 540
 541         /* check for phy events */
 542         if (!(tp->tg3_flags &
 543               (TG3_FLAG_USE_LINKCHG_REG |
 544                TG3_FLAG_POLL_SERDES))) {
 545                 if (sblk->status & SD_STATUS_LINK_CHG)
 546                         work_exists = 1;
 547         }
 548         /* check for RX/TX work to do */
 549         if (sblk->idx[0].tx_consumer != tp->tx_cons ||
 550             sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
 551                 work_exists = 1;
 552
 553         return work_exists;
 554 }
 555
 556 /* tg3_restart_ints
 557  *  similar to tg3_enable_ints, but it accurately determines whether there
 558  *  is new work pending and can return without flushing the PIO write
 559  *  which reenables interrupts
 560  */
 561 static void tg3_restart_ints(struct tg3 *tp)
 562 {
 563         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
 564                      tp->last_tag << 24);
 565         mmiowb();
 566
 567         /* When doing tagged status, this work check is unnecessary.
 568          * The last_tag we write above tells the chip which piece of
 569          * work we've completed.
 570          */
 571         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
 572             tg3_has_work(tp))
 573                 tw32(HOSTCC_MODE, tp->coalesce_mode |
 574                      (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
 575 }
 576
 577 static inline void tg3_netif_stop(struct tg3 *tp)
 578 {
 579         tp->dev->trans_start = jiffies; /* prevent tx timeout */
 580         netif_poll_disable(tp->dev);
 581         netif_tx_disable(tp->dev);
 582 }
 583
 584 static inline void tg3_netif_start(struct tg3 *tp)
 585 {
 586         netif_wake_queue(tp->dev);
 587         /* NOTE: unconditional netif_wake_queue is only appropriate
 588          * so long as all callers are assured to have free tx slots
 589          * (such as after tg3_init_hw)
 590          */
 591         netif_poll_enable(tp->dev);
 592         tp->hw_status->status |= SD_STATUS_UPDATED;
 593         tg3_enable_ints(tp);
 594 }
 595
 596 static void tg3_switch_clocks(struct tg3 *tp)
 597 {
 598         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
 599         u32 orig_clock_ctrl;
 600
 601         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
 602                 return;
 603
 604         orig_clock_ctrl = clock_ctrl;
 605         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
 606                        CLOCK_CTRL_CLKRUN_OENABLE |
 607                        0x1f);
 608         tp->pci_clock_ctrl = clock_ctrl;
 609
 610         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
 611                 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
 612                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
 613                                     clock_ctrl | CLOCK_CTRL_625_CORE, 40);
 614                 }
 615         } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
 616                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 617                             clock_ctrl |
 618                             (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
 619                             40);
 620                 tw32_wait_f(TG3PCI_CLOCK_CTRL,
 621                             clock_ctrl | (CLOCK_CTRL_ALTCLK),
 622                             40);
 623         }
 624         tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
 625 }
 626
 627 #define PHY_BUSY_LOOPS  5000
 628
 629 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
 630 {
 631         u32 frame_val;
 632         unsigned int loops;
 633         int ret;
 634
 635         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 636                 tw32_f(MAC_MI_MODE,
 637                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 638                 udelay(80);
 639         }
 640
 641         *val = 0x0;
 642
 643         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 644                       MI_COM_PHY_ADDR_MASK);
 645         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 646                       MI_COM_REG_ADDR_MASK);
 647         frame_val |= (MI_COM_CMD_READ | MI_COM_START);
 648
 649         tw32_f(MAC_MI_COM, frame_val);
 650
 651         loops = PHY_BUSY_LOOPS;
 652         while (loops != 0) {
 653                 udelay(10);
 654                 frame_val = tr32(MAC_MI_COM);
 655
 656                 if ((frame_val & MI_COM_BUSY) == 0) {
 657                         udelay(5);
 658                         frame_val = tr32(MAC_MI_COM);
 659                         break;
 660                 }
 661                 loops -= 1;
 662         }
 663
 664         ret = -EBUSY;
 665         if (loops != 0) {
 666                 *val = frame_val & MI_COM_DATA_MASK;
 667                 ret = 0;
 668         }
 669
 670         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 671                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 672                 udelay(80);
 673         }
 674
 675         return ret;
 676 }
 677
 678 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
 679 {
 680         u32 frame_val;
 681         unsigned int loops;
 682         int ret;
 683
 684         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
 685             (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
 686                 return 0;
 687
 688         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 689                 tw32_f(MAC_MI_MODE,
 690                      (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
 691                 udelay(80);
 692         }
 693
 694         frame_val  = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
 695                       MI_COM_PHY_ADDR_MASK);
 696         frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
 697                       MI_COM_REG_ADDR_MASK);
 698         frame_val |= (val & MI_COM_DATA_MASK);
 699         frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
 700
 701         tw32_f(MAC_MI_COM, frame_val);
 702
 703         loops = PHY_BUSY_LOOPS;
 704         while (loops != 0) {
 705                 udelay(10);
 706                 frame_val = tr32(MAC_MI_COM);
 707                 if ((frame_val & MI_COM_BUSY) == 0) {
 708                         udelay(5);
 709                         frame_val = tr32(MAC_MI_COM);
 710                         break;
 711                 }
 712                 loops -= 1;
 713         }
 714
 715         ret = -EBUSY;
 716         if (loops != 0)
 717                 ret = 0;
 718
 719         if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
 720                 tw32_f(MAC_MI_MODE, tp->mi_mode);
 721                 udelay(80);
 722         }
 723
 724         return ret;
 725 }
 726
 727 static void tg3_phy_set_wirespeed(struct tg3 *tp)
 728 {
 729         u32 val;
 730
 731         if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
 732                 return;
 733
 734         if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
 735             !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
 736                 tg3_writephy(tp, MII_TG3_AUX_CTRL,
 737                              (val | (1 << 15) | (1 << 4)));
 738 }
 739
 740 static int tg3_bmcr_reset(struct tg3 *tp)
 741 {
 742         u32 phy_control;
 743         int limit, err;
 744
 745         /* OK, reset it, and poll the BMCR_RESET bit until it
 746          * clears or we time out.
 747          */
 748         phy_control = BMCR_RESET;
 749         err = tg3_writephy(tp, MII_BMCR, phy_control);
 750         if (err != 0)
 751                 return -EBUSY;
 752
 753         limit = 5000;
 754         while (limit--) {
 755                 err = tg3_readphy(tp, MII_BMCR, &phy_control);
 756                 if (err != 0)
 757                         return -EBUSY;
 758
 759                 if ((phy_control & BMCR_RESET) == 0) {
 760                         udelay(40);
 761                         break;
 762                 }
 763                 udelay(10);
 764         }
 765         if (limit <= 0)
 766                 return -EBUSY;
 767
 768         return 0;
 769 }
 770
 771 static int tg3_wait_macro_done(struct tg3 *tp)
 772 {
 773         int limit = 100;
 774
 775         while (limit--) {
 776                 u32 tmp32;
 777
 778                 if (!tg3_readphy(tp, 0x16, &tmp32)) {
 779                         if ((tmp32 & 0x1000) == 0)
 780                                 break;
 781                 }
 782         }
 783         if (limit <= 0)
 784                 return -EBUSY;
 785
 786         return 0;
 787 }
 788
 789 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
 790 {
 791         static const u32 test_pat[4][6] = {
 792         { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
 793         { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
 794         { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
 795         { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
 796         };
 797         int chan;
 798
 799         for (chan = 0; chan < 4; chan++) {
 800                 int i;
 801
 802                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 803                              (chan * 0x2000) | 0x0200);
 804                 tg3_writephy(tp, 0x16, 0x0002);
 805
 806                 for (i = 0; i < 6; i++)
 807                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
 808                                      test_pat[chan][i]);
 809
 810                 tg3_writephy(tp, 0x16, 0x0202);
 811                 if (tg3_wait_macro_done(tp)) {
 812                         *resetp = 1;
 813                         return -EBUSY;
 814                 }
 815
 816                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 817                              (chan * 0x2000) | 0x0200);
 818                 tg3_writephy(tp, 0x16, 0x0082);
 819                 if (tg3_wait_macro_done(tp)) {
 820                         *resetp = 1;
 821                         return -EBUSY;
 822                 }
 823
 824                 tg3_writephy(tp, 0x16, 0x0802);
 825                 if (tg3_wait_macro_done(tp)) {
 826                         *resetp = 1;
 827                         return -EBUSY;
 828                 }
 829
 830                 for (i = 0; i < 6; i += 2) {
 831                         u32 low, high;
 832
 833                         if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
 834                             tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
 835                             tg3_wait_macro_done(tp)) {
 836                                 *resetp = 1;
 837                                 return -EBUSY;
 838                         }
 839                         low &= 0x7fff;
 840                         high &= 0x000f;
 841                         if (low != test_pat[chan][i] ||
 842                             high != test_pat[chan][i+1]) {
 843                                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
 844                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
 845                                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
 846
 847                                 return -EBUSY;
 848                         }
 849                 }
 850         }
 851
 852         return 0;
 853 }
 854
 855 static int tg3_phy_reset_chanpat(struct tg3 *tp)
 856 {
 857         int chan;
 858
 859         for (chan = 0; chan < 4; chan++) {
 860                 int i;
 861
 862                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
 863                              (chan * 0x2000) | 0x0200);
 864                 tg3_writephy(tp, 0x16, 0x0002);
 865                 for (i = 0; i < 6; i++)
 866                         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
 867                 tg3_writephy(tp, 0x16, 0x0202);
 868                 if (tg3_wait_macro_done(tp))
 869                         return -EBUSY;
 870         }
 871
 872         return 0;
 873 }
 874
 875 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
 876 {
 877         u32 reg32, phy9_orig;
 878         int retries, do_phy_reset, err;
 879
 880         retries = 10;
 881         do_phy_reset = 1;
 882         do {
 883                 if (do_phy_reset) {
 884                         err = tg3_bmcr_reset(tp);
 885                         if (err)
 886                                 return err;
 887                         do_phy_reset = 0;
 888                 }
 889
 890                 /* Disable transmitter and interrupt.  */
 891                 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
 892                         continue;
 893
 894                 reg32 |= 0x3000;
 895                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 896
 897                 /* Set full-duplex, 1000 mbps.  */
 898                 tg3_writephy(tp, MII_BMCR,
 899                              BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
 900
 901                 /* Set to master mode.  */
 902                 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
 903                         continue;
 904
 905                 tg3_writephy(tp, MII_TG3_CTRL,
 906                              (MII_TG3_CTRL_AS_MASTER |
 907                               MII_TG3_CTRL_ENABLE_AS_MASTER));
 908
 909                 /* Enable SM_DSP_CLOCK and 6dB.  */
 910                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 911
 912                 /* Block the PHY control access.  */
 913                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 914                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
 915
 916                 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
 917                 if (!err)
 918                         break;
 919         } while (--retries);
 920
 921         err = tg3_phy_reset_chanpat(tp);
 922         if (err)
 923                 return err;
 924
 925         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
 926         tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
 927
 928         tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
 929         tg3_writephy(tp, 0x16, 0x0000);
 930
 931         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 932             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 933                 /* Set Extended packet length bit for jumbo frames */
 934                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
 935         }
 936         else {
 937                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 938         }
 939
 940         tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
 941
 942         if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
 943                 reg32 &= ~0x3000;
 944                 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
 945         } else if (!err)
 946                 err = -EBUSY;
 947
 948         return err;
 949 }
 950
 951 static void tg3_link_report(struct tg3 *);
 952
 953 /* This will reset the tigon3 PHY if there is no valid
 954  * link unless the FORCE argument is non-zero.
 955  */
 956 static int tg3_phy_reset(struct tg3 *tp)
 957 {
 958         u32 phy_status;
 959         int err;
 960
 961         err  = tg3_readphy(tp, MII_BMSR, &phy_status);
 962         err |= tg3_readphy(tp, MII_BMSR, &phy_status);
 963         if (err != 0)
 964                 return -EBUSY;
 965
 966         if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
 967                 netif_carrier_off(tp->dev);
 968                 tg3_link_report(tp);
 969         }
 970
 971         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
 972             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
 973             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
 974                 err = tg3_phy_reset_5703_4_5(tp);
 975                 if (err)
 976                         return err;
 977                 goto out;
 978         }
 979
 980         err = tg3_bmcr_reset(tp);
 981         if (err)
 982                 return err;
 983
 984 out:
 985         if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
 986                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 987                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
 988                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
 989                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
 990                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
 991                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
 992         }
 993         if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
 994                 tg3_writephy(tp, 0x1c, 0x8d68);
 995                 tg3_writephy(tp, 0x1c, 0x8d68);
 996         }
 997         if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
 998                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
 999                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1000                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1001                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1002                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1003                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1004                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1005                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1006         }
1007         else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1008                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1009                 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1010                 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1011                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1012         }
1013         /* Set Extended packet length bit (bit 14) on all chips that */
1014         /* support jumbo frames */
1015         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1016                 /* Cannot do read-modify-write on 5401 */
1017                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1018         } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1019                 u32 phy_reg;
1020
1021                 /* Set bit 14 with read-modify-write to preserve other bits */
1022                 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1023                     !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1024                         tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1025         }
1026
1027         /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1028          * jumbo frames transmission.
1029          */
1030         if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1031                 u32 phy_reg;
1032
1033                 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1034                     tg3_writephy(tp, MII_TG3_EXT_CTRL,
1035                                  phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1036         }
1037
1038         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1039                 u32 phy_reg;
1040
1041                 /* adjust output voltage */
1042                 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1043
1044                 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phy_reg)) {
1045                         u32 phy_reg2;
1046
1047                         tg3_writephy(tp, MII_TG3_EPHY_TEST,
1048                                      phy_reg | MII_TG3_EPHY_SHADOW_EN);
1049                         /* Enable auto-MDIX */
1050                         if (!tg3_readphy(tp, 0x10, &phy_reg2))
1051                                 tg3_writephy(tp, 0x10, phy_reg2 | 0x4000);
1052                         tg3_writephy(tp, MII_TG3_EPHY_TEST, phy_reg);
1053                 }
1054         }
1055
1056         tg3_phy_set_wirespeed(tp);
1057         return 0;
1058 }
1059
1060 static void tg3_frob_aux_power(struct tg3 *tp)
1061 {
1062         struct tg3 *tp_peer = tp;
1063
1064         if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
1065                 return;
1066
1067         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1068             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1069                 struct net_device *dev_peer;
1070
1071                 dev_peer = pci_get_drvdata(tp->pdev_peer);
1072                 /* remove_one() may have been run on the peer. */
1073                 if (!dev_peer)
1074                         tp_peer = tp;
1075                 else
1076                         tp_peer = netdev_priv(dev_peer);
1077         }
1078
1079         if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1080             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1081             (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1082             (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1083                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1084                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1085                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1086                                     (GRC_LCLCTRL_GPIO_OE0 |
1087                                      GRC_LCLCTRL_GPIO_OE1 |
1088                                      GRC_LCLCTRL_GPIO_OE2 |
1089                                      GRC_LCLCTRL_GPIO_OUTPUT0 |
1090                                      GRC_LCLCTRL_GPIO_OUTPUT1),
1091                                     100);
1092                 } else {
1093                         u32 no_gpio2;
1094                         u32 grc_local_ctrl = 0;
1095
1096                         if (tp_peer != tp &&
1097                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1098                                 return;
1099
1100                         /* Workaround to prevent overdrawing Amps. */
1101                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1102                             ASIC_REV_5714) {
1103                                 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1104                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1105                                             grc_local_ctrl, 100);
1106                         }
1107
1108                         /* On 5753 and variants, GPIO2 cannot be used. */
1109                         no_gpio2 = tp->nic_sram_data_cfg &
1110                                     NIC_SRAM_DATA_CFG_NO_GPIO2;
1111
1112                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1113                                          GRC_LCLCTRL_GPIO_OE1 |
1114                                          GRC_LCLCTRL_GPIO_OE2 |
1115                                          GRC_LCLCTRL_GPIO_OUTPUT1 |
1116                                          GRC_LCLCTRL_GPIO_OUTPUT2;
1117                         if (no_gpio2) {
1118                                 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1119                                                     GRC_LCLCTRL_GPIO_OUTPUT2);
1120                         }
1121                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1122                                                     grc_local_ctrl, 100);
1123
1124                         grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1125
1126                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1127                                                     grc_local_ctrl, 100);
1128
1129                         if (!no_gpio2) {
1130                                 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
1131                                 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1132                                             grc_local_ctrl, 100);
1133                         }
1134                 }
1135         } else {
1136                 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1137                     GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1138                         if (tp_peer != tp &&
1139                             (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1140                                 return;
1141
1142                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1143                                     (GRC_LCLCTRL_GPIO_OE1 |
1144                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1145
1146                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1147                                     GRC_LCLCTRL_GPIO_OE1, 100);
1148
1149                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1150                                     (GRC_LCLCTRL_GPIO_OE1 |
1151                                      GRC_LCLCTRL_GPIO_OUTPUT1), 100);
1152                 }
1153         }
1154 }
1155
1156 static int tg3_setup_phy(struct tg3 *, int);
1157
1158 #define RESET_KIND_SHUTDOWN     0
1159 #define RESET_KIND_INIT         1
1160 #define RESET_KIND_SUSPEND      2
1161
1162 static void tg3_write_sig_post_reset(struct tg3 *, int);
1163 static int tg3_halt_cpu(struct tg3 *, u32);
1164 static int tg3_nvram_lock(struct tg3 *);
1165 static void tg3_nvram_unlock(struct tg3 *);
1166
1167 static void tg3_power_down_phy(struct tg3 *tp)
1168 {
1169         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
1170                 return;
1171
1172         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
1173                 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1174                              MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1175                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1176         }
1177
1178         /* The PHY should not be powered down on some chips because
1179          * of bugs.
1180          */
1181         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1182             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1183             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1184              (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1185                 return;
1186         tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1187 }
1188
1189 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
1190 {
1191         u32 misc_host_ctrl;
1192         u16 power_control, power_caps;
1193         int pm = tp->pm_cap;
1194
1195         /* Make sure register accesses (indirect or otherwise)
1196          * will function correctly.
1197          */
1198         pci_write_config_dword(tp->pdev,
1199                                TG3PCI_MISC_HOST_CTRL,
1200                                tp->misc_host_ctrl);
1201
1202         pci_read_config_word(tp->pdev,
1203                              pm + PCI_PM_CTRL,
1204                              &power_control);
1205         power_control |= PCI_PM_CTRL_PME_STATUS;
1206         power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1207         switch (state) {
1208         case PCI_D0:
1209                 power_control |= 0;
1210                 pci_write_config_word(tp->pdev,
1211                                       pm + PCI_PM_CTRL,
1212                                       power_control);
1213                 udelay(100);    /* Delay after power state change */
1214
1215                 /* Switch out of Vaux if it is not a LOM */
1216                 if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
1217                         tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
1218
1219                 return 0;
1220
1221         case PCI_D1:
1222                 power_control |= 1;
1223                 break;
1224
1225         case PCI_D2:
1226                 power_control |= 2;
1227                 break;
1228
1229         case PCI_D3hot:
1230                 power_control |= 3;
1231                 break;
1232
1233         default:
1234                 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1235                        "requested.\n",
1236                        tp->dev->name, state);
1237                 return -EINVAL;
1238         };
1239
1240         power_control |= PCI_PM_CTRL_PME_ENABLE;
1241
1242         misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1243         tw32(TG3PCI_MISC_HOST_CTRL,
1244              misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1245
1246         if (tp->link_config.phy_is_low_power == 0) {
1247                 tp->link_config.phy_is_low_power = 1;
1248                 tp->link_config.orig_speed = tp->link_config.speed;
1249                 tp->link_config.orig_duplex = tp->link_config.duplex;
1250                 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1251         }
1252
1253         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
1254                 tp->link_config.speed = SPEED_10;
1255                 tp->link_config.duplex = DUPLEX_HALF;
1256                 tp->link_config.autoneg = AUTONEG_ENABLE;
1257                 tg3_setup_phy(tp, 0);
1258         }
1259
1260         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1261                 u32 val;
1262
1263                 val = tr32(GRC_VCPU_EXT_CTRL);
1264                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1265         } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1266                 int i;
1267                 u32 val;
1268
1269                 for (i = 0; i < 200; i++) {
1270                         tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1271                         if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1272                                 break;
1273                         msleep(1);
1274                 }
1275         }
1276         tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1277                                              WOL_DRV_STATE_SHUTDOWN |
1278                                              WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
1279
1280         pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1281
1282         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1283                 u32 mac_mode;
1284
1285                 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1286                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1287                         udelay(40);
1288
1289                         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1290                                 mac_mode = MAC_MODE_PORT_MODE_GMII;
1291                         else
1292                                 mac_mode = MAC_MODE_PORT_MODE_MII;
1293
1294                         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 ||
1295                             !(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB))
1296                                 mac_mode |= MAC_MODE_LINK_POLARITY;
1297                 } else {
1298                         mac_mode = MAC_MODE_PORT_MODE_TBI;
1299                 }
1300
1301                 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
1302                         tw32(MAC_LED_CTRL, tp->led_ctrl);
1303
1304                 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1305                      (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1306                         mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1307
1308                 tw32_f(MAC_MODE, mac_mode);
1309                 udelay(100);
1310
1311                 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1312                 udelay(10);
1313         }
1314
1315         if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1316             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1317              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1318                 u32 base_val;
1319
1320                 base_val = tp->pci_clock_ctrl;
1321                 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1322                              CLOCK_CTRL_TXCLK_DISABLE);
1323
1324                 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1325                             CLOCK_CTRL_PWRDOWN_PLL133, 40);
1326         } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
1327                 /* do nothing */
1328         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
1329                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1330                 u32 newbits1, newbits2;
1331
1332                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1333                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1334                         newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1335                                     CLOCK_CTRL_TXCLK_DISABLE |
1336                                     CLOCK_CTRL_ALTCLK);
1337                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1338                 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1339                         newbits1 = CLOCK_CTRL_625_CORE;
1340                         newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1341                 } else {
1342                         newbits1 = CLOCK_CTRL_ALTCLK;
1343                         newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1344                 }
1345
1346                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1347                             40);
1348
1349                 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1350                             40);
1351
1352                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1353                         u32 newbits3;
1354
1355                         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1356                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1357                                 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1358                                             CLOCK_CTRL_TXCLK_DISABLE |
1359                                             CLOCK_CTRL_44MHZ_CORE);
1360                         } else {
1361                                 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1362                         }
1363
1364                         tw32_wait_f(TG3PCI_CLOCK_CTRL,
1365                                     tp->pci_clock_ctrl | newbits3, 40);
1366                 }
1367         }
1368
1369         if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
1370             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1371                 tg3_power_down_phy(tp);
1372
1373         tg3_frob_aux_power(tp);
1374
1375         /* Workaround for unstable PLL clock */
1376         if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1377             (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1378                 u32 val = tr32(0x7d00);
1379
1380                 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1381                 tw32(0x7d00, val);
1382                 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
1383                         int err;
1384
1385                         err = tg3_nvram_lock(tp);
1386                         tg3_halt_cpu(tp, RX_CPU_BASE);
1387                         if (!err)
1388                                 tg3_nvram_unlock(tp);
1389                 }
1390         }
1391
1392         tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1393
1394         /* Finally, set the new power state. */
1395         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
1396         udelay(100);    /* Delay after power state change */
1397
1398         return 0;
1399 }
1400
1401 static void tg3_link_report(struct tg3 *tp)
1402 {
1403         if (!netif_carrier_ok(tp->dev)) {
1404                 printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name);
1405         } else {
1406                 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1407                        tp->dev->name,
1408                        (tp->link_config.active_speed == SPEED_1000 ?
1409                         1000 :
1410                         (tp->link_config.active_speed == SPEED_100 ?
1411                          100 : 10)),
1412                        (tp->link_config.active_duplex == DUPLEX_FULL ?
1413                         "full" : "half"));
1414
1415                 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1416                        "%s for RX.\n",
1417                        tp->dev->name,
1418                        (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1419                        (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1420         }
1421 }
1422
1423 static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1424 {
1425         u32 new_tg3_flags = 0;
1426         u32 old_rx_mode = tp->rx_mode;
1427         u32 old_tx_mode = tp->tx_mode;
1428
1429         if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
1430
1431                 /* Convert 1000BaseX flow control bits to 1000BaseT
1432                  * bits before resolving flow control.
1433                  */
1434                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1435                         local_adv &= ~(ADVERTISE_PAUSE_CAP |
1436                                        ADVERTISE_PAUSE_ASYM);
1437                         remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1438
1439                         if (local_adv & ADVERTISE_1000XPAUSE)
1440                                 local_adv |= ADVERTISE_PAUSE_CAP;
1441                         if (local_adv & ADVERTISE_1000XPSE_ASYM)
1442                                 local_adv |= ADVERTISE_PAUSE_ASYM;
1443                         if (remote_adv & LPA_1000XPAUSE)
1444                                 remote_adv |= LPA_PAUSE_CAP;
1445                         if (remote_adv & LPA_1000XPAUSE_ASYM)
1446                                 remote_adv |= LPA_PAUSE_ASYM;
1447                 }
1448
1449                 if (local_adv & ADVERTISE_PAUSE_CAP) {
1450                         if (local_adv & ADVERTISE_PAUSE_ASYM) {
1451                                 if (remote_adv & LPA_PAUSE_CAP)
1452                                         new_tg3_flags |=
1453                                                 (TG3_FLAG_RX_PAUSE |
1454                                                 TG3_FLAG_TX_PAUSE);
1455                                 else if (remote_adv & LPA_PAUSE_ASYM)
1456                                         new_tg3_flags |=
1457                                                 (TG3_FLAG_RX_PAUSE);
1458                         } else {
1459                                 if (remote_adv & LPA_PAUSE_CAP)
1460                                         new_tg3_flags |=
1461                                                 (TG3_FLAG_RX_PAUSE |
1462                                                 TG3_FLAG_TX_PAUSE);
1463                         }
1464                 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1465                         if ((remote_adv & LPA_PAUSE_CAP) &&
1466                         (remote_adv & LPA_PAUSE_ASYM))
1467                                 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1468                 }
1469
1470                 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1471                 tp->tg3_flags |= new_tg3_flags;
1472         } else {
1473                 new_tg3_flags = tp->tg3_flags;
1474         }
1475
1476         if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1477                 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1478         else
1479                 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1480
1481         if (old_rx_mode != tp->rx_mode) {
1482                 tw32_f(MAC_RX_MODE, tp->rx_mode);
1483         }
1484
1485         if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1486                 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1487         else
1488                 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1489
1490         if (old_tx_mode != tp->tx_mode) {
1491                 tw32_f(MAC_TX_MODE, tp->tx_mode);
1492         }
1493 }
1494
1495 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1496 {
1497         switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1498         case MII_TG3_AUX_STAT_10HALF:
1499                 *speed = SPEED_10;
1500                 *duplex = DUPLEX_HALF;
1501                 break;
1502
1503         case MII_TG3_AUX_STAT_10FULL:
1504                 *speed = SPEED_10;
1505                 *duplex = DUPLEX_FULL;
1506                 break;
1507
1508         case MII_TG3_AUX_STAT_100HALF:
1509                 *speed = SPEED_100;
1510                 *duplex = DUPLEX_HALF;
1511                 break;
1512
1513         case MII_TG3_AUX_STAT_100FULL:
1514                 *speed = SPEED_100;
1515                 *duplex = DUPLEX_FULL;
1516                 break;
1517
1518         case MII_TG3_AUX_STAT_1000HALF:
1519                 *speed = SPEED_1000;
1520                 *duplex = DUPLEX_HALF;
1521                 break;
1522
1523         case MII_TG3_AUX_STAT_1000FULL:
1524                 *speed = SPEED_1000;
1525                 *duplex = DUPLEX_FULL;
1526                 break;
1527
1528         default:
1529                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1530                         *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1531                                  SPEED_10;
1532                         *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1533                                   DUPLEX_HALF;
1534                         break;
1535                 }
1536                 *speed = SPEED_INVALID;
1537                 *duplex = DUPLEX_INVALID;
1538                 break;
1539         };
1540 }
1541
1542 static void tg3_phy_copper_begin(struct tg3 *tp)
1543 {
1544         u32 new_adv;
1545         int i;
1546
1547         if (tp->link_config.phy_is_low_power) {
1548                 /* Entering low power mode.  Disable gigabit and
1549                  * 100baseT advertisements.
1550                  */
1551                 tg3_writephy(tp, MII_TG3_CTRL, 0);
1552
1553                 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1554                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1555                 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1556                         new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1557
1558                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1559         } else if (tp->link_config.speed == SPEED_INVALID) {
1560                 tp->link_config.advertising =
1561                         (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
1562                          ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
1563                          ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
1564                          ADVERTISED_Autoneg | ADVERTISED_MII);
1565
1566                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1567                         tp->link_config.advertising &=
1568                                 ~(ADVERTISED_1000baseT_Half |
1569                                   ADVERTISED_1000baseT_Full);
1570
1571                 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1572                 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1573                         new_adv |= ADVERTISE_10HALF;
1574                 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1575                         new_adv |= ADVERTISE_10FULL;
1576                 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1577                         new_adv |= ADVERTISE_100HALF;
1578                 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1579                         new_adv |= ADVERTISE_100FULL;
1580                 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1581
1582                 if (tp->link_config.advertising &
1583                     (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1584                         new_adv = 0;
1585                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1586                                 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1587                         if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1588                                 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1589                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1590                             (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1591                              tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1592                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1593                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1594                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1595                 } else {
1596                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1597                 }
1598         } else {
1599                 /* Asking for a specific link mode. */
1600                 if (tp->link_config.speed == SPEED_1000) {
1601                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1602                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1603
1604                         if (tp->link_config.duplex == DUPLEX_FULL)
1605                                 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1606                         else
1607                                 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1608                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1609                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1610                                 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1611                                             MII_TG3_CTRL_ENABLE_AS_MASTER);
1612                         tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1613                 } else {
1614                         tg3_writephy(tp, MII_TG3_CTRL, 0);
1615
1616                         new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1617                         if (tp->link_config.speed == SPEED_100) {
1618                                 if (tp->link_config.duplex == DUPLEX_FULL)
1619                                         new_adv |= ADVERTISE_100FULL;
1620                                 else
1621                                         new_adv |= ADVERTISE_100HALF;
1622                         } else {
1623                                 if (tp->link_config.duplex == DUPLEX_FULL)
1624                                         new_adv |= ADVERTISE_10FULL;
1625                                 else
1626                                         new_adv |= ADVERTISE_10HALF;
1627                         }
1628                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
1629                 }
1630         }
1631
1632         if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1633             tp->link_config.speed != SPEED_INVALID) {
1634                 u32 bmcr, orig_bmcr;
1635
1636                 tp->link_config.active_speed = tp->link_config.speed;
1637                 tp->link_config.active_duplex = tp->link_config.duplex;
1638
1639                 bmcr = 0;
1640                 switch (tp->link_config.speed) {
1641                 default:
1642                 case SPEED_10:
1643                         break;
1644
1645                 case SPEED_100:
1646                         bmcr |= BMCR_SPEED100;
1647                         break;
1648
1649                 case SPEED_1000:
1650                         bmcr |= TG3_BMCR_SPEED1000;
1651                         break;
1652                 };
1653
1654                 if (tp->link_config.duplex == DUPLEX_FULL)
1655                         bmcr |= BMCR_FULLDPLX;
1656
1657                 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1658                     (bmcr != orig_bmcr)) {
1659                         tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1660                         for (i = 0; i < 1500; i++) {
1661                                 u32 tmp;
1662
1663                                 udelay(10);
1664                                 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1665                                     tg3_readphy(tp, MII_BMSR, &tmp))
1666                                         continue;
1667                                 if (!(tmp & BMSR_LSTATUS)) {
1668                                         udelay(40);
1669                                         break;
1670                                 }
1671                         }
1672                         tg3_writephy(tp, MII_BMCR, bmcr);
1673                         udelay(40);
1674                 }
1675         } else {
1676                 tg3_writephy(tp, MII_BMCR,
1677                              BMCR_ANENABLE | BMCR_ANRESTART);
1678         }
1679 }
1680
1681 static int tg3_init_5401phy_dsp(struct tg3 *tp)
1682 {
1683         int err;
1684
1685         /* Turn off tap power management. */
1686         /* Set Extended packet length bit */
1687         err  = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1688
1689         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1690         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1691
1692         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1693         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1694
1695         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1696         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1697
1698         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1699         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1700
1701         err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1702         err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1703
1704         udelay(40);
1705
1706         return err;
1707 }
1708
1709 static int tg3_copper_is_advertising_all(struct tg3 *tp)
1710 {
1711         u32 adv_reg, all_mask;
1712
1713         if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1714                 return 0;
1715
1716         all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1717                     ADVERTISE_100HALF | ADVERTISE_100FULL);
1718         if ((adv_reg & all_mask) != all_mask)
1719                 return 0;
1720         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1721                 u32 tg3_ctrl;
1722
1723                 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1724                         return 0;
1725
1726                 all_mask = (MII_TG3_CTRL_ADV_1000_HALF |
1727                             MII_TG3_CTRL_ADV_1000_FULL);
1728                 if ((tg3_ctrl & all_mask) != all_mask)
1729                         return 0;
1730         }
1731         return 1;
1732 }
1733
1734 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1735 {
1736         int current_link_up;
1737         u32 bmsr, dummy;
1738         u16 current_speed;
1739         u8 current_duplex;
1740         int i, err;
1741
1742         tw32(MAC_EVENT, 0);
1743
1744         tw32_f(MAC_STATUS,
1745              (MAC_STATUS_SYNC_CHANGED |
1746               MAC_STATUS_CFG_CHANGED |
1747               MAC_STATUS_MI_COMPLETION |
1748               MAC_STATUS_LNKSTATE_CHANGED));
1749         udelay(40);
1750
1751         tp->mi_mode = MAC_MI_MODE_BASE;
1752         tw32_f(MAC_MI_MODE, tp->mi_mode);
1753         udelay(80);
1754
1755         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1756
1757         /* Some third-party PHYs need to be reset on link going
1758          * down.
1759          */
1760         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1761              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1762              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1763             netif_carrier_ok(tp->dev)) {
1764                 tg3_readphy(tp, MII_BMSR, &bmsr);
1765                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1766                     !(bmsr & BMSR_LSTATUS))
1767                         force_reset = 1;
1768         }
1769         if (force_reset)
1770                 tg3_phy_reset(tp);
1771
1772         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1773                 tg3_readphy(tp, MII_BMSR, &bmsr);
1774                 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1775                     !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1776                         bmsr = 0;
1777
1778                 if (!(bmsr & BMSR_LSTATUS)) {
1779                         err = tg3_init_5401phy_dsp(tp);
1780                         if (err)
1781                                 return err;
1782
1783                         tg3_readphy(tp, MII_BMSR, &bmsr);
1784                         for (i = 0; i < 1000; i++) {
1785                                 udelay(10);
1786                                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1787                                     (bmsr & BMSR_LSTATUS)) {
1788                                         udelay(40);
1789                                         break;
1790                                 }
1791                         }
1792
1793                         if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1794                             !(bmsr & BMSR_LSTATUS) &&
1795                             tp->link_config.active_speed == SPEED_1000) {
1796                                 err = tg3_phy_reset(tp);
1797                                 if (!err)
1798                                         err = tg3_init_5401phy_dsp(tp);
1799                                 if (err)
1800                                         return err;
1801                         }
1802                 }
1803         } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1804                    tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1805                 /* 5701 {A0,B0} CRC bug workaround */
1806                 tg3_writephy(tp, 0x15, 0x0a75);
1807                 tg3_writephy(tp, 0x1c, 0x8c68);
1808                 tg3_writephy(tp, 0x1c, 0x8d68);
1809                 tg3_writephy(tp, 0x1c, 0x8c68);
1810         }
1811
1812         /* Clear pending interrupts... */
1813         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1814         tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1815
1816         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1817                 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
1818         else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
1819                 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1820
1821         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1822             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1823                 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1824                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
1825                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1826                 else
1827                         tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1828         }
1829
1830         current_link_up = 0;
1831         current_speed = SPEED_INVALID;
1832         current_duplex = DUPLEX_INVALID;
1833
1834         if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1835                 u32 val;
1836
1837                 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1838                 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1839                 if (!(val & (1 << 10))) {
1840                         val |= (1 << 10);
1841                         tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1842                         goto relink;
1843                 }
1844         }
1845
1846         bmsr = 0;
1847         for (i = 0; i < 100; i++) {
1848                 tg3_readphy(tp, MII_BMSR, &bmsr);
1849                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1850                     (bmsr & BMSR_LSTATUS))
1851                         break;
1852                 udelay(40);
1853         }
1854
1855         if (bmsr & BMSR_LSTATUS) {
1856                 u32 aux_stat, bmcr;
1857
1858                 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1859                 for (i = 0; i < 2000; i++) {
1860                         udelay(10);
1861                         if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1862                             aux_stat)
1863                                 break;
1864                 }
1865
1866                 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1867                                              &current_speed,
1868                                              &current_duplex);
1869
1870                 bmcr = 0;
1871                 for (i = 0; i < 200; i++) {
1872                         tg3_readphy(tp, MII_BMCR, &bmcr);
1873                         if (tg3_readphy(tp, MII_BMCR, &bmcr))
1874                                 continue;
1875                         if (bmcr && bmcr != 0x7fff)
1876                                 break;
1877                         udelay(10);
1878                 }
1879
1880                 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1881                         if (bmcr & BMCR_ANENABLE) {
1882                                 current_link_up = 1;
1883
1884                                 /* Force autoneg restart if we are exiting
1885                                  * low power mode.
1886                                  */
1887                                 if (!tg3_copper_is_advertising_all(tp))
1888                                         current_link_up = 0;
1889                         } else {
1890                                 current_link_up = 0;
1891                         }
1892                 } else {
1893                         if (!(bmcr & BMCR_ANENABLE) &&
1894                             tp->link_config.speed == current_speed &&
1895                             tp->link_config.duplex == current_duplex) {
1896                                 current_link_up = 1;
1897                         } else {
1898                                 current_link_up = 0;
1899                         }
1900                 }
1901
1902                 tp->link_config.active_speed = current_speed;
1903                 tp->link_config.active_duplex = current_duplex;
1904         }
1905
1906         if (current_link_up == 1 &&
1907             (tp->link_config.active_duplex == DUPLEX_FULL) &&
1908             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1909                 u32 local_adv, remote_adv;
1910
1911                 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1912                         local_adv = 0;
1913                 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1914
1915                 if (tg3_readphy(tp, MII_LPA, &remote_adv))
1916                         remote_adv = 0;
1917
1918                 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1919
1920                 /* If we are not advertising full pause capability,
1921                  * something is wrong.  Bring the link down and reconfigure.
1922                  */
1923                 if (local_adv != ADVERTISE_PAUSE_CAP) {
1924                         current_link_up = 0;
1925                 } else {
1926                         tg3_setup_flow_control(tp, local_adv, remote_adv);
1927                 }
1928         }
1929 relink:
1930         if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
1931                 u32 tmp;
1932
1933                 tg3_phy_copper_begin(tp);
1934
1935                 tg3_readphy(tp, MII_BMSR, &tmp);
1936                 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
1937                     (tmp & BMSR_LSTATUS))
1938                         current_link_up = 1;
1939         }
1940
1941         tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
1942         if (current_link_up == 1) {
1943                 if (tp->link_config.active_speed == SPEED_100 ||
1944                     tp->link_config.active_speed == SPEED_10)
1945                         tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
1946                 else
1947                         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1948         } else
1949                 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
1950
1951         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
1952         if (tp->link_config.active_duplex == DUPLEX_HALF)
1953                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
1954
1955         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1956         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
1957                 if ((tp->led_ctrl == LED_CTRL_MODE_PHY_2) ||
1958                     (current_link_up == 1 &&
1959                      tp->link_config.active_speed == SPEED_10))
1960                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1961         } else {
1962                 if (current_link_up == 1)
1963                         tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1964         }
1965
1966         /* ??? Without this setting Netgear GA302T PHY does not
1967          * ??? send/receive packets...
1968          */
1969         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
1970             tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
1971                 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
1972                 tw32_f(MAC_MI_MODE, tp->mi_mode);
1973                 udelay(80);
1974         }
1975
1976         tw32_f(MAC_MODE, tp->mac_mode);
1977         udelay(40);
1978
1979         if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
1980                 /* Polled via timer. */
1981                 tw32_f(MAC_EVENT, 0);
1982         } else {
1983                 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
1984         }
1985         udelay(40);
1986
1987         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
1988             current_link_up == 1 &&
1989             tp->link_config.active_speed == SPEED_1000 &&
1990             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
1991              (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
1992                 udelay(120);
1993                 tw32_f(MAC_STATUS,
1994                      (MAC_STATUS_SYNC_CHANGED |
1995                       MAC_STATUS_CFG_CHANGED));
1996                 udelay(40);
1997                 tg3_write_mem(tp,
1998                               NIC_SRAM_FIRMWARE_MBOX,
1999                               NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2000         }
2001
2002         if (current_link_up != netif_carrier_ok(tp->dev)) {
2003                 if (current_link_up)
2004                         netif_carrier_on(tp->dev);
2005                 else
2006                         netif_carrier_off(tp->dev);
2007                 tg3_link_report(tp);
2008         }
2009
2010         return 0;
2011 }
2012
2013 struct tg3_fiber_aneginfo {
2014         int state;
2015 #define ANEG_STATE_UNKNOWN              0
2016 #define ANEG_STATE_AN_ENABLE            1
2017 #define ANEG_STATE_RESTART_INIT         2
2018 #define ANEG_STATE_RESTART              3
2019 #define ANEG_STATE_DISABLE_LINK_OK      4
2020 #define ANEG_STATE_ABILITY_DETECT_INIT  5
2021 #define ANEG_STATE_ABILITY_DETECT       6
2022 #define ANEG_STATE_ACK_DETECT_INIT      7
2023 #define ANEG_STATE_ACK_DETECT           8
2024 #define ANEG_STATE_COMPLETE_ACK_INIT    9
2025 #define ANEG_STATE_COMPLETE_ACK         10
2026 #define ANEG_STATE_IDLE_DETECT_INIT     11
2027 #define ANEG_STATE_IDLE_DETECT          12
2028 #define ANEG_STATE_LINK_OK              13
2029 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT  14
2030 #define ANEG_STATE_NEXT_PAGE_WAIT       15
2031
2032         u32 flags;
2033 #define MR_AN_ENABLE            0x00000001
2034 #define MR_RESTART_AN           0x00000002
2035 #define MR_AN_COMPLETE          0x00000004
2036 #define MR_PAGE_RX              0x00000008
2037 #define MR_NP_LOADED            0x00000010
2038 #define MR_TOGGLE_TX            0x00000020
2039 #define MR_LP_ADV_FULL_DUPLEX   0x00000040
2040 #define MR_LP_ADV_HALF_DUPLEX   0x00000080
2041 #define MR_LP_ADV_SYM_PAUSE     0x00000100
2042 #define MR_LP_ADV_ASYM_PAUSE    0x00000200
2043 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2044 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2045 #define MR_LP_ADV_NEXT_PAGE     0x00001000
2046 #define MR_TOGGLE_RX            0x00002000
2047 #define MR_NP_RX                0x00004000
2048
2049 #define MR_LINK_OK              0x80000000
2050
2051         unsigned long link_time, cur_time;
2052
2053         u32 ability_match_cfg;
2054         int ability_match_count;
2055
2056         char ability_match, idle_match, ack_match;
2057
2058         u32 txconfig, rxconfig;
2059 #define ANEG_CFG_NP             0x00000080
2060 #define ANEG_CFG_ACK            0x00000040
2061 #define ANEG_CFG_RF2            0x00000020
2062 #define ANEG_CFG_RF1            0x00000010
2063 #define ANEG_CFG_PS2            0x00000001
2064 #define ANEG_CFG_PS1            0x00008000
2065 #define ANEG_CFG_HD             0x00004000
2066 #define ANEG_CFG_FD             0x00002000
2067 #define ANEG_CFG_INVAL          0x00001f06
2068
2069 };
2070 #define ANEG_OK         0
2071 #define ANEG_DONE       1
2072 #define ANEG_TIMER_ENAB 2
2073 #define ANEG_FAILED     -1
2074
2075 #define ANEG_STATE_SETTLE_TIME  10000
2076
2077 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2078                                    struct tg3_fiber_aneginfo *ap)
2079 {
2080         unsigned long delta;
2081         u32 rx_cfg_reg;
2082         int ret;
2083
2084         if (ap->state == ANEG_STATE_UNKNOWN) {
2085                 ap->rxconfig = 0;
2086                 ap->link_time = 0;
2087                 ap->cur_time = 0;
2088                 ap->ability_match_cfg = 0;
2089                 ap->ability_match_count = 0;
2090                 ap->ability_match = 0;
2091                 ap->idle_match = 0;
2092                 ap->ack_match = 0;
2093         }
2094         ap->cur_time++;
2095
2096         if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2097                 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2098
2099                 if (rx_cfg_reg != ap->ability_match_cfg) {
2100                         ap->ability_match_cfg = rx_cfg_reg;
2101                         ap->ability_match = 0;
2102                         ap->ability_match_count = 0;
2103                 } else {
2104                         if (++ap->ability_match_count > 1) {
2105                                 ap->ability_match = 1;
2106                                 ap->ability_match_cfg = rx_cfg_reg;
2107                         }
2108                 }
2109                 if (rx_cfg_reg & ANEG_CFG_ACK)
2110                         ap->ack_match = 1;
2111                 else
2112                         ap->ack_match = 0;
2113
2114                 ap->idle_match = 0;
2115         } else {
2116                 ap->idle_match = 1;
2117                 ap->ability_match_cfg = 0;
2118                 ap->ability_match_count = 0;
2119                 ap->ability_match = 0;
2120                 ap->ack_match = 0;
2121
2122                 rx_cfg_reg = 0;
2123         }
2124
2125         ap->rxconfig = rx_cfg_reg;
2126         ret = ANEG_OK;
2127
2128         switch(ap->state) {
2129         case ANEG_STATE_UNKNOWN:
2130                 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2131                         ap->state = ANEG_STATE_AN_ENABLE;
2132
2133                 /* fallthru */
2134         case ANEG_STATE_AN_ENABLE:
2135                 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2136                 if (ap->flags & MR_AN_ENABLE) {
2137                         ap->link_time = 0;
2138                         ap->cur_time = 0;
2139                         ap->ability_match_cfg = 0;
2140                         ap->ability_match_count = 0;
2141                         ap->ability_match = 0;
2142                         ap->idle_match = 0;
2143                         ap->ack_match = 0;
2144
2145                         ap->state = ANEG_STATE_RESTART_INIT;
2146                 } else {
2147                         ap->state = ANEG_STATE_DISABLE_LINK_OK;
2148                 }
2149                 break;
2150
2151         case ANEG_STATE_RESTART_INIT:
2152                 ap->link_time = ap->cur_time;
2153                 ap->flags &= ~(MR_NP_LOADED);
2154                 ap->txconfig = 0;
2155                 tw32(MAC_TX_AUTO_NEG, 0);
2156                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2157                 tw32_f(MAC_MODE, tp->mac_mode);
2158                 udelay(40);
2159
2160                 ret = ANEG_TIMER_ENAB;
2161                 ap->state = ANEG_STATE_RESTART;
2162
2163                 /* fallthru */
2164         case ANEG_STATE_RESTART:
2165                 delta = ap->cur_time - ap->link_time;
2166                 if (delta > ANEG_STATE_SETTLE_TIME) {
2167                         ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2168                 } else {
2169                         ret = ANEG_TIMER_ENAB;
2170                 }
2171                 break;
2172
2173         case ANEG_STATE_DISABLE_LINK_OK:
2174                 ret = ANEG_DONE;
2175                 break;
2176
2177         case ANEG_STATE_ABILITY_DETECT_INIT:
2178                 ap->flags &= ~(MR_TOGGLE_TX);
2179                 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2180                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2181                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2182                 tw32_f(MAC_MODE, tp->mac_mode);
2183                 udelay(40);
2184
2185                 ap->state = ANEG_STATE_ABILITY_DETECT;
2186                 break;
2187
2188         case ANEG_STATE_ABILITY_DETECT:
2189                 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2190                         ap->state = ANEG_STATE_ACK_DETECT_INIT;
2191                 }
2192                 break;
2193
2194         case ANEG_STATE_ACK_DETECT_INIT:
2195                 ap->txconfig |= ANEG_CFG_ACK;
2196                 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2197                 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2198                 tw32_f(MAC_MODE, tp->mac_mode);
2199                 udelay(40);
2200
2201                 ap->state = ANEG_STATE_ACK_DETECT;
2202
2203                 /* fallthru */
2204         case ANEG_STATE_ACK_DETECT:
2205                 if (ap->ack_match != 0) {
2206                         if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2207                             (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2208                                 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2209                         } else {
2210                                 ap->state = ANEG_STATE_AN_ENABLE;
2211                         }
2212                 } else if (ap->ability_match != 0 &&
2213                            ap->rxconfig == 0) {
2214                         ap->state = ANEG_STATE_AN_ENABLE;
2215                 }
2216                 break;
2217
2218         case ANEG_STATE_COMPLETE_ACK_INIT:
2219                 if (ap->rxconfig & ANEG_CFG_INVAL) {
2220                         ret = ANEG_FAILED;
2221                         break;
2222                 }
2223                 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2224                                MR_LP_ADV_HALF_DUPLEX |
2225                                MR_LP_ADV_SYM_PAUSE |
2226                                MR_LP_ADV_ASYM_PAUSE |
2227                                MR_LP_ADV_REMOTE_FAULT1 |
2228                                MR_LP_ADV_REMOTE_FAULT2 |
2229                                MR_LP_ADV_NEXT_PAGE |
2230                                MR_TOGGLE_RX |
2231                                MR_NP_RX);
2232                 if (ap->rxconfig & ANEG_CFG_FD)
2233                         ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2234                 if (ap->rxconfig & ANEG_CFG_HD)
2235                         ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2236                 if (ap->rxconfig & ANEG_CFG_PS1)
2237                         ap->flags |= MR_LP_ADV_SYM_PAUSE;
2238                 if (ap->rxconfig & ANEG_CFG_PS2)
2239                         ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2240                 if (ap->rxconfig & ANEG_CFG_RF1)
2241                         ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2242                 if (ap->rxconfig & ANEG_CFG_RF2)
2243                         ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2244                 if (ap->rxconfig & ANEG_CFG_NP)
2245                         ap->flags |= MR_LP_ADV_NEXT_PAGE;
2246
2247                 ap->link_time = ap->cur_time;
2248
2249                 ap->flags ^= (MR_TOGGLE_TX);
2250                 if (ap->rxconfig & 0x0008)
2251                         ap->flags |= MR_TOGGLE_RX;
2252                 if (ap->rxconfig & ANEG_CFG_NP)
2253                         ap->flags |= MR_NP_RX;
2254                 ap->flags |= MR_PAGE_RX;
2255
2256                 ap->state = ANEG_STATE_COMPLETE_ACK;
2257                 ret = ANEG_TIMER_ENAB;
2258                 break;
2259
2260         case ANEG_STATE_COMPLETE_ACK:
2261                 if (ap->ability_match != 0 &&
2262                     ap->rxconfig == 0) {
2263                         ap->state = ANEG_STATE_AN_ENABLE;
2264                         break;
2265                 }
2266                 delta = ap->cur_time - ap->link_time;
2267                 if (delta > ANEG_STATE_SETTLE_TIME) {
2268                         if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2269                                 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2270                         } else {
2271                                 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2272                                     !(ap->flags & MR_NP_RX)) {
2273                                         ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2274                                 } else {
2275                                         ret = ANEG_FAILED;
2276                                 }
2277                         }
2278                 }
2279                 break;
2280
2281         case ANEG_STATE_IDLE_DETECT_INIT:
2282                 ap->link_time = ap->cur_time;
2283                 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2284                 tw32_f(MAC_MODE, tp->mac_mode);
2285                 udelay(40);
2286
2287                 ap->state = ANEG_STATE_IDLE_DETECT;
2288                 ret = ANEG_TIMER_ENAB;
2289                 break;
2290
2291         case ANEG_STATE_IDLE_DETECT:
2292                 if (ap->ability_match != 0 &&
2293                     ap->rxconfig == 0) {
2294                         ap->state = ANEG_STATE_AN_ENABLE;
2295                         break;
2296                 }
2297                 delta = ap->cur_time - ap->link_time;
2298                 if (delta > ANEG_STATE_SETTLE_TIME) {
2299                         /* XXX another gem from the Broadcom driver :( */
2300                         ap->state = ANEG_STATE_LINK_OK;
2301                 }
2302                 break;
2303
2304         case ANEG_STATE_LINK_OK:
2305                 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2306                 ret = ANEG_DONE;
2307                 break;
2308
2309         case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2310                 /* ??? unimplemented */
2311                 break;
2312
2313         case ANEG_STATE_NEXT_PAGE_WAIT:
2314                 /* ??? unimplemented */
2315                 break;
2316
2317         default:
2318                 ret = ANEG_FAILED;
2319                 break;
2320         };
2321
2322         return ret;
2323 }
2324
2325 static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2326 {
2327         int res = 0;
2328         struct tg3_fiber_aneginfo aninfo;
2329         int status = ANEG_FAILED;
2330         unsigned int tick;
2331         u32 tmp;
2332
2333         tw32_f(MAC_TX_AUTO_NEG, 0);
2334
2335         tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2336         tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2337         udelay(40);
2338
2339         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2340         udelay(40);
2341
2342         memset(&aninfo, 0, sizeof(aninfo));
2343         aninfo.flags |= MR_AN_ENABLE;
2344         aninfo.state = ANEG_STATE_UNKNOWN;
2345         aninfo.cur_time = 0;
2346         tick = 0;
2347         while (++tick < 195000) {
2348                 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2349                 if (status == ANEG_DONE || status == ANEG_FAILED)
2350                         break;
2351
2352                 udelay(1);
2353         }
2354
2355         tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2356         tw32_f(MAC_MODE, tp->mac_mode);
2357         udelay(40);
2358
2359         *flags = aninfo.flags;
2360
2361         if (status == ANEG_DONE &&
2362             (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2363                              MR_LP_ADV_FULL_DUPLEX)))
2364                 res = 1;
2365
2366         return res;
2367 }
2368
2369 static void tg3_init_bcm8002(struct tg3 *tp)
2370 {
2371         u32 mac_status = tr32(MAC_STATUS);
2372         int i;
2373
2374         /* Reset when initting first time or we have a link. */
2375         if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2376             !(mac_status & MAC_STATUS_PCS_SYNCED))
2377                 return;
2378
2379         /* Set PLL lock range. */
2380         tg3_writephy(tp, 0x16, 0x8007);
2381
2382         /* SW reset */
2383         tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2384
2385         /* Wait for reset to complete. */
2386         /* XXX schedule_timeout() ... */
2387         for (i = 0; i < 500; i++)
2388                 udelay(10);
2389
2390         /* Config mode; select PMA/Ch 1 regs. */
2391         tg3_writephy(tp, 0x10, 0x8411);
2392
2393         /* Enable auto-lock and comdet, select txclk for tx. */
2394         tg3_writephy(tp, 0x11, 0x0a10);
2395
2396         tg3_writephy(tp, 0x18, 0x00a0);
2397         tg3_writephy(tp, 0x16, 0x41ff);
2398
2399         /* Assert and deassert POR. */
2400         tg3_writephy(tp, 0x13, 0x0400);
2401         udelay(40);
2402         tg3_writephy(tp, 0x13, 0x0000);
2403
2404         tg3_writephy(tp, 0x11, 0x0a50);
2405         udelay(40);
2406         tg3_writephy(tp, 0x11, 0x0a10);
2407
2408         /* Wait for signal to stabilize */
2409         /* XXX schedule_timeout() ... */
2410         for (i = 0; i < 15000; i++)
2411                 udelay(10);
2412
2413         /* Deselect the channel register so we can read the PHYID
2414          * later.
2415          */
2416         tg3_writephy(tp, 0x10, 0x8011);
2417 }
2418
2419 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2420 {
2421         u32 sg_dig_ctrl, sg_dig_status;
2422         u32 serdes_cfg, expected_sg_dig_ctrl;
2423         int workaround, port_a;
2424         int current_link_up;
2425
2426         serdes_cfg = 0;
2427         expected_sg_dig_ctrl = 0;
2428         workaround = 0;
2429         port_a = 1;
2430         current_link_up = 0;
2431
2432         if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2433             tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2434                 workaround = 1;
2435                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2436                         port_a = 0;
2437
2438                 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2439                 /* preserve bits 20-23 for voltage regulator */
2440                 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2441         }
2442
2443         sg_dig_ctrl = tr32(SG_DIG_CTRL);
2444
2445         if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2446                 if (sg_dig_ctrl & (1 << 31)) {
2447                         if (workaround) {
2448                                 u32 val = serdes_cfg;
2449
2450                                 if (port_a)
2451                                         val |= 0xc010000;
2452                                 else
2453                                         val |= 0x4010000;
2454                                 tw32_f(MAC_SERDES_CFG, val);
2455                         }
2456                         tw32_f(SG_DIG_CTRL, 0x01388400);
2457                 }
2458                 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2459                         tg3_setup_flow_control(tp, 0, 0);
2460                         current_link_up = 1;
2461                 }
2462                 goto out;
2463         }
2464
2465         /* Want auto-negotiation.  */
2466         expected_sg_dig_ctrl = 0x81388400;
2467
2468         /* Pause capability */
2469         expected_sg_dig_ctrl |= (1 << 11);
2470
2471         /* Asymettric pause */
2472         expected_sg_dig_ctrl |= (1 << 12);
2473
2474         if (sg_dig_ctrl != expected_sg_dig_ctrl) {
2475                 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2476                     tp->serdes_counter &&
2477                     ((mac_status & (MAC_STATUS_PCS_SYNCED |
2478                                     MAC_STATUS_RCVD_CFG)) ==
2479                      MAC_STATUS_PCS_SYNCED)) {
2480                         tp->serdes_counter--;
2481                         current_link_up = 1;
2482                         goto out;
2483                 }
2484 restart_autoneg:
2485                 if (workaround)
2486                         tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2487                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2488                 udelay(5);
2489                 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2490
2491                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2492                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2493         } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2494                                  MAC_STATUS_SIGNAL_DET)) {
2495                 sg_dig_status = tr32(SG_DIG_STATUS);
2496                 mac_status = tr32(MAC_STATUS);
2497
2498                 if ((sg_dig_status & (1 << 1)) &&
2499                     (mac_status & MAC_STATUS_PCS_SYNCED)) {
2500                         u32 local_adv, remote_adv;
2501
2502                         local_adv = ADVERTISE_PAUSE_CAP;
2503                         remote_adv = 0;
2504                         if (sg_dig_status & (1 << 19))
2505                                 remote_adv |= LPA_PAUSE_CAP;
2506                         if (sg_dig_status & (1 << 20))
2507                                 remote_adv |= LPA_PAUSE_ASYM;
2508
2509                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2510                         current_link_up = 1;
2511                         tp->serdes_counter = 0;
2512                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2513                 } else if (!(sg_dig_status & (1 << 1))) {
2514                         if (tp->serdes_counter)
2515                                 tp->serdes_counter--;
2516                         else {
2517                                 if (workaround) {
2518                                         u32 val = serdes_cfg;
2519
2520                                         if (port_a)
2521                                                 val |= 0xc010000;
2522                                         else
2523                                                 val |= 0x4010000;
2524
2525                                         tw32_f(MAC_SERDES_CFG, val);
2526                                 }
2527
2528                                 tw32_f(SG_DIG_CTRL, 0x01388400);
2529                                 udelay(40);
2530
2531                                 /* Link parallel detection - link is up */
2532                                 /* only if we have PCS_SYNC and not */
2533                                 /* receiving config code words */
2534                                 mac_status = tr32(MAC_STATUS);
2535                                 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2536                                     !(mac_status & MAC_STATUS_RCVD_CFG)) {
2537                                         tg3_setup_flow_control(tp, 0, 0);
2538                                         current_link_up = 1;
2539                                         tp->tg3_flags2 |=
2540                                                 TG3_FLG2_PARALLEL_DETECT;
2541                                         tp->serdes_counter =
2542                                                 SERDES_PARALLEL_DET_TIMEOUT;
2543                                 } else
2544                                         goto restart_autoneg;
2545                         }
2546                 }
2547         } else {
2548                 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2549                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2550         }
2551
2552 out:
2553         return current_link_up;
2554 }
2555
2556 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2557 {
2558         int current_link_up = 0;
2559
2560         if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
2561                 tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
2562                 goto out;
2563         }
2564
2565         if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2566                 u32 flags;
2567                 int i;
2568
2569                 if (fiber_autoneg(tp, &flags)) {
2570                         u32 local_adv, remote_adv;
2571
2572                         local_adv = ADVERTISE_PAUSE_CAP;
2573                         remote_adv = 0;
2574                         if (flags & MR_LP_ADV_SYM_PAUSE)
2575                                 remote_adv |= LPA_PAUSE_CAP;
2576                         if (flags & MR_LP_ADV_ASYM_PAUSE)
2577                                 remote_adv |= LPA_PAUSE_ASYM;
2578
2579                         tg3_setup_flow_control(tp, local_adv, remote_adv);
2580
2581                         tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2582                         current_link_up = 1;
2583                 }
2584                 for (i = 0; i < 30; i++) {
2585                         udelay(20);
2586                         tw32_f(MAC_STATUS,
2587                                (MAC_STATUS_SYNC_CHANGED |
2588                                 MAC_STATUS_CFG_CHANGED));
2589                         udelay(40);
2590                         if ((tr32(MAC_STATUS) &
2591                              (MAC_STATUS_SYNC_CHANGED |
2592                               MAC_STATUS_CFG_CHANGED)) == 0)
2593                                 break;
2594                 }
2595
2596                 mac_status = tr32(MAC_STATUS);
2597                 if (current_link_up == 0 &&
2598                     (mac_status & MAC_STATUS_PCS_SYNCED) &&
2599                     !(mac_status & MAC_STATUS_RCVD_CFG))
2600                         current_link_up = 1;
2601         } else {
2602                 /* Forcing 1000FD link up. */
2603                 current_link_up = 1;
2604                 tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
2605
2606                 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2607                 udelay(40);
2608         }
2609
2610 out:
2611         return current_link_up;
2612 }
2613
2614 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2615 {
2616         u32 orig_pause_cfg;
2617         u16 orig_active_speed;
2618         u8 orig_active_duplex;
2619         u32 mac_status;
2620         int current_link_up;
2621         int i;
2622
2623         orig_pause_cfg =
2624                 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2625                                   TG3_FLAG_TX_PAUSE));
2626         orig_active_speed = tp->link_config.active_speed;
2627         orig_active_duplex = tp->link_config.active_duplex;
2628
2629         if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2630             netif_carrier_ok(tp->dev) &&
2631             (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2632                 mac_status = tr32(MAC_STATUS);
2633                 mac_status &= (MAC_STATUS_PCS_SYNCED |
2634                                MAC_STATUS_SIGNAL_DET |
2635                                MAC_STATUS_CFG_CHANGED |
2636                                MAC_STATUS_RCVD_CFG);
2637                 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2638                                    MAC_STATUS_SIGNAL_DET)) {
2639                         tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2640                                             MAC_STATUS_CFG_CHANGED));
2641                         return 0;
2642                 }
2643         }
2644
2645         tw32_f(MAC_TX_AUTO_NEG, 0);
2646
2647         tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2648         tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2649         tw32_f(MAC_MODE, tp->mac_mode);
2650         udelay(40);
2651
2652         if (tp->phy_id == PHY_ID_BCM8002)
2653                 tg3_init_bcm8002(tp);
2654
2655         /* Enable link change event even when serdes polling.  */
2656         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2657         udelay(40);
2658
2659         current_link_up = 0;
2660         mac_status = tr32(MAC_STATUS);
2661
2662         if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2663                 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2664         else
2665                 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2666
2667         tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
2668         tw32_f(MAC_MODE, tp->mac_mode);
2669         udelay(40);
2670
2671         tp->hw_status->status =
2672                 (SD_STATUS_UPDATED |
2673                  (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2674
2675         for (i = 0; i < 100; i++) {
2676                 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2677                                     MAC_STATUS_CFG_CHANGED));
2678                 udelay(5);
2679                 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
2680                                          MAC_STATUS_CFG_CHANGED |
2681                                          MAC_STATUS_LNKSTATE_CHANGED)) == 0)
2682                         break;
2683         }
2684
2685         mac_status = tr32(MAC_STATUS);
2686         if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2687                 current_link_up = 0;
2688                 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2689                     tp->serdes_counter == 0) {
2690                         tw32_f(MAC_MODE, (tp->mac_mode |
2691                                           MAC_MODE_SEND_CONFIGS));
2692                         udelay(1);
2693                         tw32_f(MAC_MODE, tp->mac_mode);
2694                 }
2695         }
2696
2697         if (current_link_up == 1) {
2698                 tp->link_config.active_speed = SPEED_1000;
2699                 tp->link_config.active_duplex = DUPLEX_FULL;
2700                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2701                                     LED_CTRL_LNKLED_OVERRIDE |
2702                                     LED_CTRL_1000MBPS_ON));
2703         } else {
2704                 tp->link_config.active_speed = SPEED_INVALID;
2705                 tp->link_config.active_duplex = DUPLEX_INVALID;
2706                 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2707                                     LED_CTRL_LNKLED_OVERRIDE |
2708                                     LED_CTRL_TRAFFIC_OVERRIDE));
2709         }
2710
2711         if (current_link_up != netif_carrier_ok(tp->dev)) {
2712                 if (current_link_up)
2713                         netif_carrier_on(tp->dev);
2714                 else
2715                         netif_carrier_off(tp->dev);
2716                 tg3_link_report(tp);
2717         } else {
2718                 u32 now_pause_cfg =
2719                         tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2720                                          TG3_FLAG_TX_PAUSE);
2721                 if (orig_pause_cfg != now_pause_cfg ||
2722                     orig_active_speed != tp->link_config.active_speed ||
2723                     orig_active_duplex != tp->link_config.active_duplex)
2724                         tg3_link_report(tp);
2725         }
2726
2727         return 0;
2728 }
2729
2730 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2731 {
2732         int current_link_up, err = 0;
2733         u32 bmsr, bmcr;
2734         u16 current_speed;
2735         u8 current_duplex;
2736
2737         tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2738         tw32_f(MAC_MODE, tp->mac_mode);
2739         udelay(40);
2740
2741         tw32(MAC_EVENT, 0);
2742
2743         tw32_f(MAC_STATUS,
2744              (MAC_STATUS_SYNC_CHANGED |
2745               MAC_STATUS_CFG_CHANGED |
2746               MAC_STATUS_MI_COMPLETION |
2747               MAC_STATUS_LNKSTATE_CHANGED));
2748         udelay(40);
2749
2750         if (force_reset)
2751                 tg3_phy_reset(tp);
2752
2753         current_link_up = 0;
2754         current_speed = SPEED_INVALID;
2755         current_duplex = DUPLEX_INVALID;
2756
2757         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2758         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2759         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2760                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2761                         bmsr |= BMSR_LSTATUS;
2762                 else
2763                         bmsr &= ~BMSR_LSTATUS;
2764         }
2765
2766         err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2767
2768         if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2769             (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2770                 /* do nothing, just check for link up at the end */
2771         } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2772                 u32 adv, new_adv;
2773
2774                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2775                 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2776                                   ADVERTISE_1000XPAUSE |
2777                                   ADVERTISE_1000XPSE_ASYM |
2778                                   ADVERTISE_SLCT);
2779
2780                 /* Always advertise symmetric PAUSE just like copper */
2781                 new_adv |= ADVERTISE_1000XPAUSE;
2782
2783                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2784                         new_adv |= ADVERTISE_1000XHALF;
2785                 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2786                         new_adv |= ADVERTISE_1000XFULL;
2787
2788                 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2789                         tg3_writephy(tp, MII_ADVERTISE, new_adv);
2790                         bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2791                         tg3_writephy(tp, MII_BMCR, bmcr);
2792
2793                         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2794                         tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
2795                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2796
2797                         return err;
2798                 }
2799         } else {
2800                 u32 new_bmcr;
2801
2802                 bmcr &= ~BMCR_SPEED1000;
2803                 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2804
2805                 if (tp->link_config.duplex == DUPLEX_FULL)
2806                         new_bmcr |= BMCR_FULLDPLX;
2807
2808                 if (new_bmcr != bmcr) {
2809                         /* BMCR_SPEED1000 is a reserved bit that needs
2810                          * to be set on write.
2811                          */
2812                         new_bmcr |= BMCR_SPEED1000;
2813
2814                         /* Force a linkdown */
2815                         if (netif_carrier_ok(tp->dev)) {
2816                                 u32 adv;
2817
2818                                 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2819                                 adv &= ~(ADVERTISE_1000XFULL |
2820                                          ADVERTISE_1000XHALF |
2821                                          ADVERTISE_SLCT);
2822                                 tg3_writephy(tp, MII_ADVERTISE, adv);
2823                                 tg3_writephy(tp, MII_BMCR, bmcr |
2824                                                            BMCR_ANRESTART |
2825                                                            BMCR_ANENABLE);
2826                                 udelay(10);
2827                                 netif_carrier_off(tp->dev);
2828                         }
2829                         tg3_writephy(tp, MII_BMCR, new_bmcr);
2830                         bmcr = new_bmcr;
2831                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2832                         err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2833                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2834                             ASIC_REV_5714) {
2835                                 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2836                                         bmsr |= BMSR_LSTATUS;
2837                                 else
2838                                         bmsr &= ~BMSR_LSTATUS;
2839                         }
2840                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2841                 }
2842         }
2843
2844         if (bmsr & BMSR_LSTATUS) {
2845                 current_speed = SPEED_1000;
2846                 current_link_up = 1;
2847                 if (bmcr & BMCR_FULLDPLX)
2848                         current_duplex = DUPLEX_FULL;
2849                 else
2850                         current_duplex = DUPLEX_HALF;
2851
2852                 if (bmcr & BMCR_ANENABLE) {
2853                         u32 local_adv, remote_adv, common;
2854
2855                         err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2856                         err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2857                         common = local_adv & remote_adv;
2858                         if (common & (ADVERTISE_1000XHALF |
2859                                       ADVERTISE_1000XFULL)) {
2860                                 if (common & ADVERTISE_1000XFULL)
2861                                         current_duplex = DUPLEX_FULL;
2862                                 else
2863                                         current_duplex = DUPLEX_HALF;
2864
2865                                 tg3_setup_flow_control(tp, local_adv,
2866                                                        remote_adv);
2867                         }
2868                         else
2869                                 current_link_up = 0;
2870                 }
2871         }
2872
2873         tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2874         if (tp->link_config.active_duplex == DUPLEX_HALF)
2875                 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2876
2877         tw32_f(MAC_MODE, tp->mac_mode);
2878         udelay(40);
2879
2880         tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2881
2882         tp->link_config.active_speed = current_speed;
2883         tp->link_config.active_duplex = current_duplex;
2884
2885         if (current_link_up != netif_carrier_ok(tp->dev)) {
2886                 if (current_link_up)
2887                         netif_carrier_on(tp->dev);
2888                 else {
2889                         netif_carrier_off(tp->dev);
2890                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2891                 }
2892                 tg3_link_report(tp);
2893         }
2894         return err;
2895 }
2896
2897 static void tg3_serdes_parallel_detect(struct tg3 *tp)
2898 {
2899         if (tp->serdes_counter) {
2900                 /* Give autoneg time to complete. */
2901                 tp->serdes_counter--;
2902                 return;
2903         }
2904         if (!netif_carrier_ok(tp->dev) &&
2905             (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2906                 u32 bmcr;
2907
2908                 tg3_readphy(tp, MII_BMCR, &bmcr);
2909                 if (bmcr & BMCR_ANENABLE) {
2910                         u32 phy1, phy2;
2911
2912                         /* Select shadow register 0x1f */
2913                         tg3_writephy(tp, 0x1c, 0x7c00);
2914                         tg3_readphy(tp, 0x1c, &phy1);
2915
2916                         /* Select expansion interrupt status register */
2917                         tg3_writephy(tp, 0x17, 0x0f01);
2918                         tg3_readphy(tp, 0x15, &phy2);
2919                         tg3_readphy(tp, 0x15, &phy2);
2920
2921                         if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2922                                 /* We have signal detect and not receiving
2923                                  * config code words, link is up by parallel
2924                                  * detection.
2925                                  */
2926
2927                                 bmcr &= ~BMCR_ANENABLE;
2928                                 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
2929                                 tg3_writephy(tp, MII_BMCR, bmcr);
2930                                 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
2931                         }
2932                 }
2933         }
2934         else if (netif_carrier_ok(tp->dev) &&
2935                  (tp->link_config.autoneg == AUTONEG_ENABLE) &&
2936                  (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2937                 u32 phy2;
2938
2939                 /* Select expansion interrupt status register */
2940                 tg3_writephy(tp, 0x17, 0x0f01);
2941                 tg3_readphy(tp, 0x15, &phy2);
2942                 if (phy2 & 0x20) {
2943                         u32 bmcr;
2944
2945                         /* Config code words received, turn on autoneg. */
2946                         tg3_readphy(tp, MII_BMCR, &bmcr);
2947                         tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
2948
2949                         tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2950
2951                 }
2952         }
2953 }
2954
2955 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
2956 {
2957         int err;
2958
2959         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2960                 err = tg3_setup_fiber_phy(tp, force_reset);
2961         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
2962                 err = tg3_setup_fiber_mii_phy(tp, force_reset);
2963         } else {
2964                 err = tg3_setup_copper_phy(tp, force_reset);
2965         }
2966
2967         if (tp->link_config.active_speed == SPEED_1000 &&
2968             tp->link_config.active_duplex == DUPLEX_HALF)
2969                 tw32(MAC_TX_LENGTHS,
2970                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2971                       (6 << TX_LENGTHS_IPG_SHIFT) |
2972                       (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2973         else
2974                 tw32(MAC_TX_LENGTHS,
2975                      ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2976                       (6 << TX_LENGTHS_IPG_SHIFT) |
2977                       (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2978
2979         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2980                 if (netif_carrier_ok(tp->dev)) {
2981                         tw32(HOSTCC_STAT_COAL_TICKS,
2982                              tp->coal.stats_block_coalesce_usecs);
2983                 } else {
2984                         tw32(HOSTCC_STAT_COAL_TICKS, 0);
2985                 }
2986         }
2987
2988         return err;
2989 }
2990
2991 /* This is called whenever we suspect that the system chipset is re-
2992  * ordering the sequence of MMIO to the tx send mailbox. The symptom
2993  * is bogus tx completions. We try to recover by setting the
2994  * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
2995  * in the workqueue.
2996  */
2997 static void tg3_tx_recover(struct tg3 *tp)
2998 {
2999         BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3000                tp->write32_tx_mbox == tg3_write_indirect_mbox);
3001
3002         printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3003                "mapped I/O cycles to the network device, attempting to "
3004                "recover. Please report the problem to the driver maintainer "
3005                "and include system chipset information.\n", tp->dev->name);
3006
3007         spin_lock(&tp->lock);
3008         tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
3009         spin_unlock(&tp->lock);
3010 }
3011
3012 static inline u32 tg3_tx_avail(struct tg3 *tp)
3013 {
3014         smp_mb();
3015         return (tp->tx_pending -
3016                 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3017 }
3018
3019 /* Tigon3 never reports partial packet sends.  So we do not
3020  * need special logic to handle SKBs that have not had all
3021  * of their frags sent yet, like SunGEM does.
3022  */
3023 static void tg3_tx(struct tg3 *tp)
3024 {
3025         u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3026         u32 sw_idx = tp->tx_cons;
3027
3028         while (sw_idx != hw_idx) {
3029                 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3030                 struct sk_buff *skb = ri->skb;
3031                 int i, tx_bug = 0;
3032
3033                 if (unlikely(skb == NULL)) {
3034                         tg3_tx_recover(tp);
3035                         return;
3036                 }
3037
3038                 pci_unmap_single(tp->pdev,
3039                                  pci_unmap_addr(ri, mapping),
3040                                  skb_headlen(skb),
3041                                  PCI_DMA_TODEVICE);
3042
3043                 ri->skb = NULL;
3044
3045                 sw_idx = NEXT_TX(sw_idx);
3046
3047                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
3048                         ri = &tp->tx_buffers[sw_idx];
3049                         if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3050                                 tx_bug = 1;
3051
3052                         pci_unmap_page(tp->pdev,
3053                                        pci_unmap_addr(ri, mapping),
3054                                        skb_shinfo(skb)->frags[i].size,
3055                                        PCI_DMA_TODEVICE);
3056
3057                         sw_idx = NEXT_TX(sw_idx);
3058                 }
3059
3060                 dev_kfree_skb(skb);
3061
3062                 if (unlikely(tx_bug)) {
3063                         tg3_tx_recover(tp);
3064                         return;
3065                 }
3066         }
3067
3068         tp->tx_cons = sw_idx;
3069
3070         /* Need to make the tx_cons update visible to tg3_start_xmit()
3071          * before checking for netif_queue_stopped().  Without the
3072          * memory barrier, there is a small possibility that tg3_start_xmit()
3073          * will miss it and cause the queue to be stopped forever.
3074          */
3075         smp_mb();
3076
3077         if (unlikely(netif_queue_stopped(tp->dev) &&
3078                      (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH))) {
3079                 netif_tx_lock(tp->dev);
3080                 if (netif_queue_stopped(tp->dev) &&
3081                     (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH))
3082                         netif_wake_queue(tp->dev);
3083                 netif_tx_unlock(tp->dev);
3084         }
3085 }
3086
3087 /* Returns size of skb allocated or < 0 on error.
3088  *
3089  * We only need to fill in the address because the other members
3090  * of the RX descriptor are invariant, see tg3_init_rings.
3091  *
3092  * Note the purposeful assymetry of cpu vs. chip accesses.  For
3093  * posting buffers we only dirty the first cache line of the RX
3094  * descriptor (containing the address).  Whereas for the RX status
3095  * buffers the cpu only reads the last cacheline of the RX descriptor
3096  * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3097  */
3098 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3099                             int src_idx, u32 dest_idx_unmasked)
3100 {
3101         struct tg3_rx_buffer_desc *desc;
3102         struct ring_info *map, *src_map;
3103         struct sk_buff *skb;
3104         dma_addr_t mapping;
3105         int skb_size, dest_idx;
3106
3107         src_map = NULL;
3108         switch (opaque_key) {
3109         case RXD_OPAQUE_RING_STD:
3110                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3111                 desc = &tp->rx_std[dest_idx];
3112                 map = &tp->rx_std_buffers[dest_idx];
3113                 if (src_idx >= 0)
3114                         src_map = &tp->rx_std_buffers[src_idx];
3115                 skb_size = tp->rx_pkt_buf_sz;
3116                 break;
3117
3118         case RXD_OPAQUE_RING_JUMBO:
3119                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3120                 desc = &tp->rx_jumbo[dest_idx];
3121                 map = &tp->rx_jumbo_buffers[dest_idx];
3122                 if (src_idx >= 0)
3123                         src_map = &tp->rx_jumbo_buffers[src_idx];
3124                 skb_size = RX_JUMBO_PKT_BUF_SZ;
3125                 break;
3126
3127         default:
3128                 return -EINVAL;
3129         };
3130
3131         /* Do not overwrite any of the map or rp information
3132          * until we are sure we can commit to a new buffer.
3133          *
3134          * Callers depend upon this behavior and assume that
3135          * we leave everything unchanged if we fail.
3136          */
3137         skb = netdev_alloc_skb(tp->dev, skb_size);
3138         if (skb == NULL)
3139                 return -ENOMEM;
3140
3141         skb_reserve(skb, tp->rx_offset);
3142
3143         mapping = pci_map_single(tp->pdev, skb->data,
3144                                  skb_size - tp->rx_offset,
3145                                  PCI_DMA_FROMDEVICE);
3146
3147         map->skb = skb;
3148         pci_unmap_addr_set(map, mapping, mapping);
3149
3150         if (src_map != NULL)
3151                 src_map->skb = NULL;
3152
3153         desc->addr_hi = ((u64)mapping >> 32);
3154         desc->addr_lo = ((u64)mapping & 0xffffffff);
3155
3156         return skb_size;
3157 }
3158
3159 /* We only need to move over in the address because the other
3160  * members of the RX descriptor are invariant.  See notes above
3161  * tg3_alloc_rx_skb for full details.
3162  */
3163 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3164                            int src_idx, u32 dest_idx_unmasked)
3165 {
3166         struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3167         struct ring_info *src_map, *dest_map;
3168         int dest_idx;
3169
3170         switch (opaque_key) {
3171         case RXD_OPAQUE_RING_STD:
3172                 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3173                 dest_desc = &tp->rx_std[dest_idx];
3174                 dest_map = &tp->rx_std_buffers[dest_idx];
3175                 src_desc = &tp->rx_std[src_idx];
3176                 src_map = &tp->rx_std_buffers[src_idx];
3177                 break;
3178
3179         case RXD_OPAQUE_RING_JUMBO:
3180                 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3181                 dest_desc = &tp->rx_jumbo[dest_idx];
3182                 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3183                 src_desc = &tp->rx_jumbo[src_idx];
3184                 src_map = &tp->rx_jumbo_buffers[src_idx];
3185                 break;
3186
3187         default:
3188                 return;
3189         };
3190
3191         dest_map->skb = src_map->skb;
3192         pci_unmap_addr_set(dest_map, mapping,
3193                            pci_unmap_addr(src_map, mapping));
3194         dest_desc->addr_hi = src_desc->addr_hi;
3195         dest_desc->addr_lo = src_desc->addr_lo;
3196
3197         src_map->skb = NULL;
3198 }
3199
3200 #if TG3_VLAN_TAG_USED
3201 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3202 {
3203         return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3204 }
3205 #endif
3206
3207 /* The RX ring scheme is composed of multiple rings which post fresh
3208  * buffers to the chip, and one special ring the chip uses to report
3209  * status back to the host.
3210  *
3211  * The special ring reports the status of received packets to the
3212  * host.  The chip does not write into the original descriptor the
3213  * RX buffer was obtained from.  The chip simply takes the original
3214  * descriptor as provided by the host, updates the status and length
3215  * field, then writes this into the next status ring entry.
3216  *
3217  * Each ring the host uses to post buffers to the chip is described
3218  * by a TG3_BDINFO entry in the chips SRAM area.  When a packet arrives,
3219  * it is first placed into the on-chip ram.  When the packet's length
3220  * is known, it walks down the TG3_BDINFO entries to select the ring.
3221  * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3222  * which is within the range of the new packet's length is chosen.
3223  *
3224  * The "separate ring for rx status" scheme may sound queer, but it makes
3225  * sense from a cache coherency perspective.  If only the host writes
3226  * to the buffer post rings, and only the chip writes to the rx status
3227  * rings, then cache lines never move beyond shared-modified state.
3228  * If both the host and chip were to write into the same ring, cache line
3229  * eviction could occur since both entities want it in an exclusive state.
3230  */
3231 static int tg3_rx(struct tg3 *tp, int budget)
3232 {
3233         u32 work_mask, rx_std_posted = 0;
3234         u32 sw_idx = tp->rx_rcb_ptr;
3235         u16 hw_idx;
3236         int received;
3237
3238         hw_idx = tp->hw_status->idx[0].rx_producer;
3239         /*
3240          * We need to order the read of hw_idx and the read of
3241          * the opaque cookie.
3242          */
3243         rmb();
3244         work_mask = 0;
3245         received = 0;
3246         while (sw_idx != hw_idx && budget > 0) {
3247                 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3248                 unsigned int len;
3249                 struct sk_buff *skb;
3250                 dma_addr_t dma_addr;
3251                 u32 opaque_key, desc_idx, *post_ptr;
3252
3253                 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3254                 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3255                 if (opaque_key == RXD_OPAQUE_RING_STD) {
3256                         dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3257                                                   mapping);
3258                         skb = tp->rx_std_buffers[desc_idx].skb;
3259                         post_ptr = &tp->rx_std_ptr;
3260                         rx_std_posted++;
3261                 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3262                         dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3263                                                   mapping);
3264                         skb = tp->rx_jumbo_buffers[desc_idx].skb;
3265                         post_ptr = &tp->rx_jumbo_ptr;
3266                 }
3267                 else {
3268                         goto next_pkt_nopost;
3269                 }
3270
3271                 work_mask |= opaque_key;
3272
3273                 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3274                     (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3275                 drop_it:
3276                         tg3_recycle_rx(tp, opaque_key,
3277                                        desc_idx, *post_ptr);
3278                 drop_it_no_recycle:
3279                         /* Other statistics kept track of by card. */
3280                         tp->net_stats.rx_dropped++;
3281                         goto next_pkt;
3282                 }
3283
3284                 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3285
3286                 if (len > RX_COPY_THRESHOLD
3287                         && tp->rx_offset == 2
3288                         /* rx_offset != 2 iff this is a 5701 card running
3289                          * in PCI-X mode [see tg3_get_invariants()] */
3290                 ) {
3291                         int skb_size;
3292
3293                         skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3294                                                     desc_idx, *post_ptr);
3295                         if (skb_size < 0)
3296                                 goto drop_it;
3297
3298                         pci_unmap_single(tp->pdev, dma_addr,
3299                                          skb_size - tp->rx_offset,
3300                                          PCI_DMA_FROMDEVICE);
3301
3302                         skb_put(skb, len);
3303                 } else {
3304                         struct sk_buff *copy_skb;
3305
3306                         tg3_recycle_rx(tp, opaque_key,
3307                                        desc_idx, *post_ptr);
3308
3309                         copy_skb = netdev_alloc_skb(tp->dev, len + 2);
3310                         if (copy_skb == NULL)
3311                                 goto drop_it_no_recycle;
3312
3313                         skb_reserve(copy_skb, 2);
3314                         skb_put(copy_skb, len);
3315                         pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3316                         memcpy(copy_skb->data, skb->data, len);
3317                         pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3318
3319                         /* We'll reuse the original ring buffer. */
3320                         skb = copy_skb;
3321                 }
3322
3323                 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3324                     (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3325                     (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3326                       >> RXD_TCPCSUM_SHIFT) == 0xffff))
3327                         skb->ip_summed = CHECKSUM_UNNECESSARY;
3328                 else
3329                         skb->ip_summed = CHECKSUM_NONE;
3330
3331                 skb->protocol = eth_type_trans(skb, tp->dev);
3332 #if TG3_VLAN_TAG_USED
3333                 if (tp->vlgrp != NULL &&
3334                     desc->type_flags & RXD_FLAG_VLAN) {
3335                         tg3_vlan_rx(tp, skb,
3336                                     desc->err_vlan & RXD_VLAN_MASK);
3337                 } else
3338 #endif
3339                         netif_receive_skb(skb);
3340
3341                 tp->dev->last_rx = jiffies;
3342                 received++;
3343                 budget--;
3344
3345 next_pkt:
3346                 (*post_ptr)++;
3347
3348                 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3349                         u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3350
3351                         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3352                                      TG3_64BIT_REG_LOW, idx);
3353                         work_mask &= ~RXD_OPAQUE_RING_STD;
3354                         rx_std_posted = 0;
3355                 }
3356 next_pkt_nopost:
3357                 sw_idx++;
3358                 sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
3359
3360                 /* Refresh hw_idx to see if there is new work */
3361                 if (sw_idx == hw_idx) {
3362                         hw_idx = tp->hw_status->idx[0].rx_producer;
3363                         rmb();
3364                 }
3365         }
3366
3367         /* ACK the status ring. */
3368         tp->rx_rcb_ptr = sw_idx;
3369         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
3370
3371         /* Refill RX ring(s). */
3372         if (work_mask & RXD_OPAQUE_RING_STD) {
3373                 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3374                 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3375                              sw_idx);
3376         }
3377         if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3378                 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3379                 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3380                              sw_idx);
3381         }
3382         mmiowb();
3383
3384         return received;
3385 }
3386
3387 static int tg3_poll(struct net_device *netdev, int *budget)
3388 {
3389         struct tg3 *tp = netdev_priv(netdev);
3390         struct tg3_hw_status *sblk = tp->hw_status;
3391         int done;
3392
3393         /* handle link change and other phy events */
3394         if (!(tp->tg3_flags &
3395               (TG3_FLAG_USE_LINKCHG_REG |
3396                TG3_FLAG_POLL_SERDES))) {
3397                 if (sblk->status & SD_STATUS_LINK_CHG) {
3398                         sblk->status = SD_STATUS_UPDATED |
3399                                 (sblk->status & ~SD_STATUS_LINK_CHG);
3400                         spin_lock(&tp->lock);
3401                         tg3_setup_phy(tp, 0);
3402                         spin_unlock(&tp->lock);
3403                 }
3404         }
3405
3406         /* run TX completion thread */
3407         if (sblk->idx[0].tx_consumer != tp->tx_cons) {
3408                 tg3_tx(tp);
3409                 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
3410                         netif_rx_complete(netdev);
3411                         schedule_work(&tp->reset_task);
3412                         return 0;
3413                 }
3414         }
3415
3416         /* run RX thread, within the bounds set by NAPI.
3417          * All RX "locking" is done by ensuring outside
3418          * code synchronizes with dev->poll()
3419          */
3420         if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr) {
3421                 int orig_budget = *budget;
3422                 int work_done;
3423
3424                 if (orig_budget > netdev->quota)
3425                         orig_budget = netdev->quota;
3426
3427                 work_done = tg3_rx(tp, orig_budget);
3428
3429                 *budget -= work_done;
3430                 netdev->quota -= work_done;
3431         }
3432
3433         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
3434                 tp->last_tag = sblk->status_tag;
3435                 rmb();
3436         } else
3437                 sblk->status &= ~SD_STATUS_UPDATED;
3438
3439         /* if no more work, tell net stack and NIC we're done */
3440         done = !tg3_has_work(tp);
3441         if (done) {
3442                 netif_rx_complete(netdev);
3443                 tg3_restart_ints(tp);
3444         }
3445
3446         return (done ? 0 : 1);
3447 }
3448
3449 static void tg3_irq_quiesce(struct tg3 *tp)
3450 {
3451         BUG_ON(tp->irq_sync);
3452
3453         tp->irq_sync = 1;
3454         smp_mb();
3455
3456         synchronize_irq(tp->pdev->irq);
3457 }
3458
3459 static inline int tg3_irq_sync(struct tg3 *tp)
3460 {
3461         return tp->irq_sync;
3462 }
3463
3464 /* Fully shutdown all tg3 driver activity elsewhere in the system.
3465  * If irq_sync is non-zero, then the IRQ handler must be synchronized
3466  * with as well.  Most of the time, this is not necessary except when
3467  * shutting down the device.
3468  */
3469 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3470 {
3471         if (irq_sync)
3472                 tg3_irq_quiesce(tp);
3473         spin_lock_bh(&tp->lock);
3474 }
3475
3476 static inline void tg3_full_unlock(struct tg3 *tp)
3477 {
3478         spin_unlock_bh(&tp->lock);
3479 }
3480
3481 /* One-shot MSI handler - Chip automatically disables interrupt
3482  * after sending MSI so driver doesn't have to do it.
3483  */
3484 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id, struct pt_regs *regs)
3485 {
3486         struct net_device *dev = dev_id;
3487         struct tg3 *tp = netdev_priv(dev);
3488
3489         prefetch(tp->hw_status);
3490         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3491
3492         if (likely(!tg3_irq_sync(tp)))
3493                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3494
3495         return IRQ_HANDLED;
3496 }
3497
3498 /* MSI ISR - No need to check for interrupt sharing and no need to
3499  * flush status block and interrupt mailbox. PCI ordering rules
3500  * guarantee that MSI will arrive after the status block.
3501  */
3502 static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
3503 {
3504         struct net_device *dev = dev_id;
3505         struct tg3 *tp = netdev_priv(dev);
3506
3507         prefetch(tp->hw_status);
3508         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3509         /*
3510          * Writing any value to intr-mbox-0 clears PCI INTA# and
3511          * chip-internal interrupt pending events.
3512          * Writing non-zero to intr-mbox-0 additional tells the
3513          * NIC to stop sending us irqs, engaging "in-intr-handler"
3514          * event coalescing.
3515          */
3516         tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
3517         if (likely(!tg3_irq_sync(tp)))
3518                 netif_rx_schedule(dev);         /* schedule NAPI poll */
3519
3520         return IRQ_RETVAL(1);
3521 }
3522
3523 static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
3524 {
3525         struct net_device *dev = dev_id;
3526         struct tg3 *tp = netdev_priv(dev);
3527         struct tg3_hw_status *sblk = tp->hw_status;
3528         unsigned int handled = 1;
3529
3530         /* In INTx mode, it is possible for the interrupt to arrive at
3531          * the CPU before the status block posted prior to the interrupt.
3532          * Reading the PCI State register will confirm whether the
3533          * interrupt is ours and will flush the status block.
3534          */
3535         if ((sblk->status & SD_STATUS_UPDATED) ||
3536             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3537                 /*
3538                  * Writing any value to intr-mbox-0 clears PCI INTA# and
3539                  * chip-internal interrupt pending events.
3540                  * Writing non-zero to intr-mbox-0 additional tells the
3541                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3542                  * event coalescing.
3543                  */
3544                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3545                              0x00000001);
3546                 if (tg3_irq_sync(tp))
3547                         goto out;
3548                 sblk->status &= ~SD_STATUS_UPDATED;
3549                 if (likely(tg3_has_work(tp))) {
3550                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3551                         netif_rx_schedule(dev);         /* schedule NAPI poll */
3552                 } else {
3553                         /* No work, shared interrupt perhaps?  re-enable
3554                          * interrupts, and flush that PCI write
3555                          */
3556                         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3557                                 0x00000000);
3558                 }
3559         } else {        /* shared interrupt */
3560                 handled = 0;
3561         }
3562 out:
3563         return IRQ_RETVAL(handled);
3564 }
3565
3566 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id, struct pt_regs *regs)
3567 {
3568         struct net_device *dev = dev_id;
3569         struct tg3 *tp = netdev_priv(dev);
3570         struct tg3_hw_status *sblk = tp->hw_status;
3571         unsigned int handled = 1;
3572
3573         /* In INTx mode, it is possible for the interrupt to arrive at
3574          * the CPU before the status block posted prior to the interrupt.
3575          * Reading the PCI State register will confirm whether the
3576          * interrupt is ours and will flush the status block.
3577          */
3578         if ((sblk->status_tag != tp->last_tag) ||
3579             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3580                 /*
3581                  * writing any value to intr-mbox-0 clears PCI INTA# and
3582                  * chip-internal interrupt pending events.
3583                  * writing non-zero to intr-mbox-0 additional tells the
3584                  * NIC to stop sending us irqs, engaging "in-intr-handler"
3585                  * event coalescing.
3586                  */
3587                 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3588                              0x00000001);
3589                 if (tg3_irq_sync(tp))
3590                         goto out;
3591                 if (netif_rx_schedule_prep(dev)) {
3592                         prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3593                         /* Update last_tag to mark that this status has been
3594                          * seen. Because interrupt may be shared, we may be
3595                          * racing with tg3_poll(), so only update last_tag
3596                          * if tg3_poll() is not scheduled.
3597                          */
3598                         tp->last_tag = sblk->status_tag;
3599                         __netif_rx_schedule(dev);
3600                 }
3601         } else {        /* shared interrupt */
3602                 handled = 0;
3603         }
3604 out:
3605         return IRQ_RETVAL(handled);
3606 }
3607
3608 /* ISR for interrupt test */
3609 static irqreturn_t tg3_test_isr(int irq, void *dev_id,
3610                 struct pt_regs *regs)
3611 {
3612         struct net_device *dev = dev_id;
3613         struct tg3 *tp = netdev_priv(dev);
3614         struct tg3_hw_status *sblk = tp->hw_status;
3615
3616         if ((sblk->status & SD_STATUS_UPDATED) ||
3617             !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3618                 tg3_disable_ints(tp);
3619                 return IRQ_RETVAL(1);
3620         }
3621         return IRQ_RETVAL(0);
3622 }
3623
3624 static int tg3_init_hw(struct tg3 *, int);
3625 static int tg3_halt(struct tg3 *, int, int);
3626
3627 /* Restart hardware after configuration changes, self-test, etc.
3628  * Invoked with tp->lock held.
3629  */
3630 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3631 {
3632         int err;
3633
3634         err = tg3_init_hw(tp, reset_phy);
3635         if (err) {
3636                 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3637                        "aborting.\n", tp->dev->name);
3638                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3639                 tg3_full_unlock(tp);
3640                 del_timer_sync(&tp->timer);
3641                 tp->irq_sync = 0;
3642                 netif_poll_enable(tp->dev);
3643                 dev_close(tp->dev);
3644                 tg3_full_lock(tp, 0);
3645         }
3646         return err;
3647 }
3648
3649 #ifdef CONFIG_NET_POLL_CONTROLLER
3650 static void tg3_poll_controller(struct net_device *dev)
3651 {
3652         struct tg3 *tp = netdev_priv(dev);
3653
3654         tg3_interrupt(tp->pdev->irq, dev, NULL);
3655 }
3656 #endif
3657
3658 static void tg3_reset_task(void *_data)
3659 {
3660         struct tg3 *tp = _data;
3661         unsigned int restart_timer;
3662
3663         tg3_full_lock(tp, 0);
3664         tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
3665
3666         if (!netif_running(tp->dev)) {
3667                 tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3668                 tg3_full_unlock(tp);
3669                 return;
3670         }
3671
3672         tg3_full_unlock(tp);
3673
3674         tg3_netif_stop(tp);
3675
3676         tg3_full_lock(tp, 1);
3677
3678         restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3679         tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3680
3681         if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3682                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3683                 tp->write32_rx_mbox = tg3_write_flush_reg32;
3684                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3685                 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3686         }
3687
3688         tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
3689         if (tg3_init_hw(tp, 1))
3690                 goto out;
3691
3692         tg3_netif_start(tp);
3693
3694         if (restart_timer)
3695                 mod_timer(&tp->timer, jiffies + 1);
3696
3697 out:
3698         tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
3699
3700         tg3_full_unlock(tp);
3701 }
3702
3703 static void tg3_tx_timeout(struct net_device *dev)
3704 {
3705         struct tg3 *tp = netdev_priv(dev);
3706
3707         printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3708                dev->name);
3709
3710         schedule_work(&tp->reset_task);
3711 }
3712
3713 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3714 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3715 {
3716         u32 base = (u32) mapping & 0xffffffff;
3717
3718         return ((base > 0xffffdcc0) &&
3719                 (base + len + 8 < base));
3720 }
3721
3722 /* Test for DMA addresses > 40-bit */
3723 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3724                                           int len)
3725 {
3726 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
3727         if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
3728                 return (((u64) mapping + len) > DMA_40BIT_MASK);
3729         return 0;
3730 #else
3731         return 0;
3732 #endif
3733 }
3734
3735 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3736
3737 /* Workaround 4GB and 40-bit hardware DMA bugs. */
3738 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
3739                                        u32 last_plus_one, u32 *start,
3740                                        u32 base_flags, u32 mss)
3741 {
3742         struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
3743         dma_addr_t new_addr = 0;
3744         u32 entry = *start;
3745         int i, ret = 0;
3746
3747         if (!new_skb) {
3748                 ret = -1;
3749         } else {
3750                 /* New SKB is guaranteed to be linear. */
3751                 entry = *start;
3752                 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3753                                           PCI_DMA_TODEVICE);
3754                 /* Make sure new skb does not cross any 4G boundaries.
3755                  * Drop the packet if it does.
3756                  */
3757                 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3758                         ret = -1;
3759                         dev_kfree_skb(new_skb);
3760                         new_skb = NULL;
3761                 } else {
3762                         tg3_set_txd(tp, entry, new_addr, new_skb->len,
3763                                     base_flags, 1 | (mss << 1));
3764                         *start = NEXT_TX(entry);
3765                 }
3766         }
3767
3768         /* Now clean up the sw ring entries. */
3769         i = 0;
3770         while (entry != last_plus_one) {
3771                 int len;
3772
3773                 if (i == 0)
3774                         len = skb_headlen(skb);
3775                 else
3776                         len = skb_shinfo(skb)->frags[i-1].size;
3777                 pci_unmap_single(tp->pdev,
3778                                  pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3779                                  len, PCI_DMA_TODEVICE);
3780                 if (i == 0) {
3781                         tp->tx_buffers[entry].skb = new_skb;
3782                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3783                 } else {
3784                         tp->tx_buffers[entry].skb = NULL;
3785                 }
3786                 entry = NEXT_TX(entry);
3787                 i++;
3788         }
3789
3790         dev_kfree_skb(skb);
3791
3792         return ret;
3793 }
3794
3795 static void tg3_set_txd(struct tg3 *tp, int entry,
3796                         dma_addr_t mapping, int len, u32 flags,
3797                         u32 mss_and_is_end)
3798 {
3799         struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3800         int is_end = (mss_and_is_end & 0x1);
3801         u32 mss = (mss_and_is_end >> 1);
3802         u32 vlan_tag = 0;
3803
3804         if (is_end)
3805                 flags |= TXD_FLAG_END;
3806         if (flags & TXD_FLAG_VLAN) {
3807                 vlan_tag = flags >> 16;
3808                 flags &= 0xffff;
3809         }
3810         vlan_tag |= (mss << TXD_MSS_SHIFT);
3811
3812         txd->addr_hi = ((u64) mapping >> 32);
3813         txd->addr_lo = ((u64) mapping & 0xffffffff);
3814         txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3815         txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3816 }
3817
3818 /* hard_start_xmit for devices that don't have any bugs and
3819  * support TG3_FLG2_HW_TSO_2 only.
3820  */
3821 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3822 {
3823         struct tg3 *tp = netdev_priv(dev);
3824         dma_addr_t mapping;
3825         u32 len, entry, base_flags, mss;
3826
3827         len = skb_headlen(skb);
3828
3829         /* We are running in BH disabled context with netif_tx_lock
3830          * and TX reclaim runs via tp->poll inside of a software
3831          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3832          * no IRQ context deadlocks to worry about either.  Rejoice!
3833          */
3834         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3835                 if (!netif_queue_stopped(dev)) {
3836                         netif_stop_queue(dev);
3837
3838                         /* This is a hard error, log it. */
3839                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3840                                "queue awake!\n", dev->name);
3841                 }
3842                 return NETDEV_TX_BUSY;
3843         }
3844
3845         entry = tp->tx_prod;
3846         base_flags = 0;
3847 #if TG3_TSO_SUPPORT != 0
3848         mss = 0;
3849         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
3850             (mss = skb_shinfo(skb)->gso_size) != 0) {
3851                 int tcp_opt_len, ip_tcp_len;
3852
3853                 if (skb_header_cloned(skb) &&
3854                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3855                         dev_kfree_skb(skb);
3856                         goto out_unlock;
3857                 }
3858
3859                 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3860                         mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3861                 else {
3862                         tcp_opt_len = ((skb->h.th->doff - 5) * 4);
3863                         ip_tcp_len = (skb->nh.iph->ihl * 4) +
3864                                      sizeof(struct tcphdr);
3865
3866                         skb->nh.iph->check = 0;
3867                         skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
3868                                                      tcp_opt_len);
3869                         mss |= (ip_tcp_len + tcp_opt_len) << 9;
3870                 }
3871
3872                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3873                                TXD_FLAG_CPU_POST_DMA);
3874
3875                 skb->h.th->check = 0;
3876
3877         }
3878         else if (skb->ip_summed == CHECKSUM_PARTIAL)
3879                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3880 #else
3881         mss = 0;
3882         if (skb->ip_summed == CHECKSUM_PARTIAL)
3883                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
3884 #endif
3885 #if TG3_VLAN_TAG_USED
3886         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3887                 base_flags |= (TXD_FLAG_VLAN |
3888                                (vlan_tx_tag_get(skb) << 16));
3889 #endif
3890
3891         /* Queue skb data, a.k.a. the main skb fragment. */
3892         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3893
3894         tp->tx_buffers[entry].skb = skb;
3895         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3896
3897         tg3_set_txd(tp, entry, mapping, len, base_flags,
3898                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3899
3900         entry = NEXT_TX(entry);
3901
3902         /* Now loop through additional data fragments, and queue them. */
3903         if (skb_shinfo(skb)->nr_frags > 0) {
3904                 unsigned int i, last;
3905
3906                 last = skb_shinfo(skb)->nr_frags - 1;
3907                 for (i = 0; i <= last; i++) {
3908                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3909
3910                         len = frag->size;
3911                         mapping = pci_map_page(tp->pdev,
3912                                                frag->page,
3913                                                frag->page_offset,
3914                                                len, PCI_DMA_TODEVICE);
3915
3916                         tp->tx_buffers[entry].skb = NULL;
3917                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3918
3919                         tg3_set_txd(tp, entry, mapping, len,
3920                                     base_flags, (i == last) | (mss << 1));
3921
3922                         entry = NEXT_TX(entry);
3923                 }
3924         }
3925
3926         /* Packets are ready, update Tx producer idx local and on card. */
3927         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
3928
3929         tp->tx_prod = entry;
3930         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
3931                 netif_stop_queue(dev);
3932                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH)
3933                         netif_wake_queue(tp->dev);
3934         }
3935
3936 out_unlock:
3937         mmiowb();
3938
3939         dev->trans_start = jiffies;
3940
3941         return NETDEV_TX_OK;
3942 }
3943
3944 #if TG3_TSO_SUPPORT != 0
3945 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
3946
3947 /* Use GSO to workaround a rare TSO bug that may be triggered when the
3948  * TSO header is greater than 80 bytes.
3949  */
3950 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
3951 {
3952         struct sk_buff *segs, *nskb;
3953
3954         /* Estimate the number of fragments in the worst case */
3955         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
3956                 netif_stop_queue(tp->dev);
3957                 return NETDEV_TX_BUSY;
3958         }
3959
3960         segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
3961         if (unlikely(IS_ERR(segs)))
3962                 goto tg3_tso_bug_end;
3963
3964         do {
3965                 nskb = segs;
3966                 segs = segs->next;
3967                 nskb->next = NULL;
3968                 tg3_start_xmit_dma_bug(nskb, tp->dev);
3969         } while (segs);
3970
3971 tg3_tso_bug_end:
3972         dev_kfree_skb(skb);
3973
3974         return NETDEV_TX_OK;
3975 }
3976 #endif
3977
3978 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
3979  * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
3980  */
3981 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
3982 {
3983         struct tg3 *tp = netdev_priv(dev);
3984         dma_addr_t mapping;
3985         u32 len, entry, base_flags, mss;
3986         int would_hit_hwbug;
3987
3988         len = skb_headlen(skb);
3989
3990         /* We are running in BH disabled context with netif_tx_lock
3991          * and TX reclaim runs via tp->poll inside of a software
3992          * interrupt.  Furthermore, IRQ processing runs lockless so we have
3993          * no IRQ context deadlocks to worry about either.  Rejoice!
3994          */
3995         if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
3996                 if (!netif_queue_stopped(dev)) {
3997                         netif_stop_queue(dev);
3998
3999                         /* This is a hard error, log it. */
4000                         printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4001                                "queue awake!\n", dev->name);
4002                 }
4003                 return NETDEV_TX_BUSY;
4004         }
4005
4006         entry = tp->tx_prod;
4007         base_flags = 0;
4008         if (skb->ip_summed == CHECKSUM_PARTIAL)
4009                 base_flags |= TXD_FLAG_TCPUDP_CSUM;
4010 #if TG3_TSO_SUPPORT != 0
4011         mss = 0;
4012         if (skb->len > (tp->dev->mtu + ETH_HLEN) &&
4013             (mss = skb_shinfo(skb)->gso_size) != 0) {
4014                 int tcp_opt_len, ip_tcp_len, hdr_len;
4015
4016                 if (skb_header_cloned(skb) &&
4017                     pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4018                         dev_kfree_skb(skb);
4019                         goto out_unlock;
4020                 }
4021
4022                 tcp_opt_len = ((skb->h.th->doff - 5) * 4);
4023                 ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
4024
4025                 hdr_len = ip_tcp_len + tcp_opt_len;
4026                 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
4027                              (tp->tg3_flags2 & TG3_FLG2_HW_TSO_1_BUG))
4028                         return (tg3_tso_bug(tp, skb));
4029
4030                 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4031                                TXD_FLAG_CPU_POST_DMA);
4032
4033                 skb->nh.iph->check = 0;
4034                 skb->nh.iph->tot_len = htons(mss + hdr_len);
4035                 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
4036                         skb->h.th->check = 0;
4037                         base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
4038                 }
4039                 else {
4040                         skb->h.th->check =
4041                                 ~csum_tcpudp_magic(skb->nh.iph->saddr,
4042                                                    skb->nh.iph->daddr,
4043                                                    0, IPPROTO_TCP, 0);
4044                 }
4045
4046                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4047                     (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
4048                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4049                                 int tsflags;
4050
4051                                 tsflags = ((skb->nh.iph->ihl - 5) +
4052                                            (tcp_opt_len >> 2));
4053                                 mss |= (tsflags << 11);
4054                         }
4055                 } else {
4056                         if (tcp_opt_len || skb->nh.iph->ihl > 5) {
4057                                 int tsflags;
4058
4059                                 tsflags = ((skb->nh.iph->ihl - 5) +
4060                                            (tcp_opt_len >> 2));
4061                                 base_flags |= tsflags << 12;
4062                         }
4063                 }
4064         }
4065 #else
4066         mss = 0;
4067 #endif
4068 #if TG3_VLAN_TAG_USED
4069         if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4070                 base_flags |= (TXD_FLAG_VLAN |
4071                                (vlan_tx_tag_get(skb) << 16));
4072 #endif
4073
4074         /* Queue skb data, a.k.a. the main skb fragment. */
4075         mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4076
4077         tp->tx_buffers[entry].skb = skb;
4078         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4079
4080         would_hit_hwbug = 0;
4081
4082         if (tg3_4g_overflow_test(mapping, len))
4083                 would_hit_hwbug = 1;
4084
4085         tg3_set_txd(tp, entry, mapping, len, base_flags,
4086                     (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4087
4088         entry = NEXT_TX(entry);
4089
4090         /* Now loop through additional data fragments, and queue them. */
4091         if (skb_shinfo(skb)->nr_frags > 0) {
4092                 unsigned int i, last;
4093
4094                 last = skb_shinfo(skb)->nr_frags - 1;
4095                 for (i = 0; i <= last; i++) {
4096                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4097
4098                         len = frag->size;
4099                         mapping = pci_map_page(tp->pdev,
4100                                                frag->page,
4101                                                frag->page_offset,
4102                                                len, PCI_DMA_TODEVICE);
4103
4104                         tp->tx_buffers[entry].skb = NULL;
4105                         pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4106
4107                         if (tg3_4g_overflow_test(mapping, len))
4108                                 would_hit_hwbug = 1;
4109
4110                         if (tg3_40bit_overflow_test(tp, mapping, len))
4111                                 would_hit_hwbug = 1;
4112
4113                         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4114                                 tg3_set_txd(tp, entry, mapping, len,
4115                                             base_flags, (i == last)|(mss << 1));
4116                         else
4117                                 tg3_set_txd(tp, entry, mapping, len,
4118                                             base_flags, (i == last));
4119
4120                         entry = NEXT_TX(entry);
4121                 }
4122         }
4123
4124         if (would_hit_hwbug) {
4125                 u32 last_plus_one = entry;
4126                 u32 start;
4127
4128                 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4129                 start &= (TG3_TX_RING_SIZE - 1);
4130
4131                 /* If the workaround fails due to memory/mapping
4132                  * failure, silently drop this packet.
4133                  */
4134                 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
4135                                                 &start, base_flags, mss))
4136                         goto out_unlock;
4137
4138                 entry = start;
4139         }
4140
4141         /* Packets are ready, update Tx producer idx local and on card. */
4142         tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4143
4144         tp->tx_prod = entry;
4145         if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
4146                 netif_stop_queue(dev);
4147                 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH)
4148                         netif_wake_queue(tp->dev);
4149         }
4150
4151 out_unlock:
4152         mmiowb();
4153
4154         dev->trans_start = jiffies;
4155
4156         return NETDEV_TX_OK;
4157 }
4158
4159 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4160                                int new_mtu)
4161 {
4162         dev->mtu = new_mtu;
4163
4164         if (new_mtu > ETH_DATA_LEN) {
4165                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4166                         tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4167                         ethtool_op_set_tso(dev, 0);
4168                 }
4169                 else
4170                         tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4171         } else {
4172                 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
4173                         tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
4174                 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
4175         }
4176 }
4177
4178 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4179 {
4180         struct tg3 *tp = netdev_priv(dev);
4181         int err;
4182
4183         if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4184                 return -EINVAL;
4185
4186         if (!netif_running(dev)) {
4187                 /* We'll just catch it later when the
4188                  * device is up'd.
4189                  */
4190                 tg3_set_mtu(dev, tp, new_mtu);
4191                 return 0;
4192         }
4193
4194         tg3_netif_stop(tp);
4195
4196         tg3_full_lock(tp, 1);
4197
4198         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4199
4200         tg3_set_mtu(dev, tp, new_mtu);
4201
4202         err = tg3_restart_hw(tp, 0);
4203
4204         if (!err)
4205                 tg3_netif_start(tp);
4206
4207         tg3_full_unlock(tp);
4208
4209         return err;
4210 }
4211
4212 /* Free up pending packets in all rx/tx rings.
4213  *
4214  * The chip has been shut down and the driver detached from
4215  * the networking, so no interrupts or new tx packets will
4216  * end up in the driver.  tp->{tx,}lock is not held and we are not
4217  * in an interrupt context and thus may sleep.
4218  */
4219 static void tg3_free_rings(struct tg3 *tp)
4220 {
4221         struct ring_info *rxp;
4222         int i;
4223
4224         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4225                 rxp = &tp->rx_std_buffers[i];
4226
4227                 if (rxp->skb == NULL)
4228                         continue;
4229                 pci_unmap_single(tp->pdev,
4230                                  pci_unmap_addr(rxp, mapping),
4231                                  tp->rx_pkt_buf_sz - tp->rx_offset,
4232                                  PCI_DMA_FROMDEVICE);
4233                 dev_kfree_skb_any(rxp->skb);
4234                 rxp->skb = NULL;
4235         }
4236
4237         for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4238                 rxp = &tp->rx_jumbo_buffers[i];
4239
4240                 if (rxp->skb == NULL)
4241                         continue;
4242                 pci_unmap_single(tp->pdev,
4243                                  pci_unmap_addr(rxp, mapping),
4244                                  RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4245                                  PCI_DMA_FROMDEVICE);
4246                 dev_kfree_skb_any(rxp->skb);
4247                 rxp->skb = NULL;
4248         }
4249
4250         for (i = 0; i < TG3_TX_RING_SIZE; ) {
4251                 struct tx_ring_info *txp;
4252                 struct sk_buff *skb;
4253                 int j;
4254
4255                 txp = &tp->tx_buffers[i];
4256                 skb = txp->skb;
4257
4258                 if (skb == NULL) {
4259                         i++;
4260                         continue;
4261                 }
4262
4263                 pci_unmap_single(tp->pdev,
4264                                  pci_unmap_addr(txp, mapping),
4265                                  skb_headlen(skb),
4266                                  PCI_DMA_TODEVICE);
4267                 txp->skb = NULL;
4268
4269                 i++;
4270
4271                 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4272                         txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4273                         pci_unmap_page(tp->pdev,
4274                                        pci_unmap_addr(txp, mapping),
4275                                        skb_shinfo(skb)->frags[j].size,
4276                                        PCI_DMA_TODEVICE);
4277                         i++;
4278                 }
4279
4280                 dev_kfree_skb_any(skb);
4281         }
4282 }
4283
4284 /* Initialize tx/rx rings for packet processing.
4285  *
4286  * The chip has been shut down and the driver detached from
4287  * the networking, so no interrupts or new tx packets will
4288  * end up in the driver.  tp->{tx,}lock are held and thus
4289  * we may not sleep.
4290  */
4291 static int tg3_init_rings(struct tg3 *tp)
4292 {
4293         u32 i;
4294
4295         /* Free up all the SKBs. */
4296         tg3_free_rings(tp);
4297
4298         /* Zero out all descriptors. */
4299         memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4300         memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4301         memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4302         memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4303
4304         tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
4305         if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
4306             (tp->dev->mtu > ETH_DATA_LEN))
4307                 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4308
4309         /* Initialize invariants of the rings, we only set this
4310          * stuff once.  This works because the card does not
4311          * write into the rx buffer posting rings.
4312          */
4313         for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4314                 struct tg3_rx_buffer_desc *rxd;
4315
4316                 rxd = &tp->rx_std[i];
4317                 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
4318                         << RXD_LEN_SHIFT;
4319                 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4320                 rxd->opaque = (RXD_OPAQUE_RING_STD |
4321                                (i << RXD_OPAQUE_INDEX_SHIFT));
4322         }
4323
4324         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4325                 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4326                         struct tg3_rx_buffer_desc *rxd;
4327
4328                         rxd = &tp->rx_jumbo[i];
4329                         rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4330                                 << RXD_LEN_SHIFT;
4331                         rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4332                                 RXD_FLAG_JUMBO;
4333                         rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4334                                (i << RXD_OPAQUE_INDEX_SHIFT));
4335                 }
4336         }
4337
4338         /* Now allocate fresh SKBs for each rx ring. */
4339         for (i = 0; i < tp->rx_pending; i++) {
4340                 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4341                         printk(KERN_WARNING PFX
4342                                "%s: Using a smaller RX standard ring, "
4343                                "only %d out of %d buffers were allocated "
4344                                "successfully.\n",
4345                                tp->dev->name, i, tp->rx_pending);
4346                         if (i == 0)
4347                                 return -ENOMEM;
4348                         tp->rx_pending = i;
4349                         break;
4350                 }
4351         }
4352
4353         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
4354                 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4355                         if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
4356                                              -1, i) < 0) {
4357                                 printk(KERN_WARNING PFX
4358                                        "%s: Using a smaller RX jumbo ring, "
4359                                        "only %d out of %d buffers were "
4360                                        "allocated successfully.\n",
4361                                        tp->dev->name, i, tp->rx_jumbo_pending);
4362                                 if (i == 0) {
4363                                         tg3_free_rings(tp);
4364                                         return -ENOMEM;
4365                                 }
4366                                 tp->rx_jumbo_pending = i;
4367                                 break;
4368                         }
4369                 }
4370         }
4371         return 0;
4372 }
4373
4374 /*
4375  * Must not be invoked with interrupt sources disabled and
4376  * the hardware shutdown down.
4377  */
4378 static void tg3_free_consistent(struct tg3 *tp)
4379 {
4380         kfree(tp->rx_std_buffers);
4381         tp->rx_std_buffers = NULL;
4382         if (tp->rx_std) {
4383                 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4384                                     tp->rx_std, tp->rx_std_mapping);
4385                 tp->rx_std = NULL;
4386         }
4387         if (tp->rx_jumbo) {
4388                 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4389                                     tp->rx_jumbo, tp->rx_jumbo_mapping);
4390                 tp->rx_jumbo = NULL;
4391         }
4392         if (tp->rx_rcb) {
4393                 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4394                                     tp->rx_rcb, tp->rx_rcb_mapping);
4395                 tp->rx_rcb = NULL;
4396         }
4397         if (tp->tx_ring) {
4398                 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4399                         tp->tx_ring, tp->tx_desc_mapping);
4400                 tp->tx_ring = NULL;
4401         }
4402         if (tp->hw_status) {
4403                 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4404                                     tp->hw_status, tp->status_mapping);
4405                 tp->hw_status = NULL;
4406         }
4407         if (tp->hw_stats) {
4408                 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4409                                     tp->hw_stats, tp->stats_mapping);
4410                 tp->hw_stats = NULL;
4411         }
4412 }
4413
4414 /*
4415  * Must not be invoked with interrupt sources disabled and
4416  * the hardware shutdown down.  Can sleep.
4417  */
4418 static int tg3_alloc_consistent(struct tg3 *tp)
4419 {
4420         tp->rx_std_buffers = kmalloc((sizeof(struct ring_info) *
4421                                       (TG3_RX_RING_SIZE +
4422                                        TG3_RX_JUMBO_RING_SIZE)) +
4423                                      (sizeof(struct tx_ring_info) *
4424                                       TG3_TX_RING_SIZE),
4425                                      GFP_KERNEL);
4426         if (!tp->rx_std_buffers)
4427                 return -ENOMEM;
4428
4429         memset(tp->rx_std_buffers, 0,
4430                (sizeof(struct ring_info) *
4431                 (TG3_RX_RING_SIZE +
4432                  TG3_RX_JUMBO_RING_SIZE)) +
4433                (sizeof(struct tx_ring_info) *
4434                 TG3_TX_RING_SIZE));
4435
4436         tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4437         tp->tx_buffers = (struct tx_ring_info *)
4438                 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4439
4440         tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4441                                           &tp->rx_std_mapping);
4442         if (!tp->rx_std)
4443                 goto err_out;
4444
4445         tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4446                                             &tp->rx_jumbo_mapping);
4447
4448         if (!tp->rx_jumbo)
4449                 goto err_out;
4450
4451         tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4452                                           &tp->rx_rcb_mapping);
4453         if (!tp->rx_rcb)
4454                 goto err_out;
4455
4456         tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4457                                            &tp->tx_desc_mapping);
4458         if (!tp->tx_ring)
4459                 goto err_out;
4460
4461         tp->hw_status = pci_alloc_consistent(tp->pdev,
4462                                              TG3_HW_STATUS_SIZE,
4463                                              &tp->status_mapping);
4464         if (!tp->hw_status)
4465                 goto err_out;
4466
4467         tp->hw_stats = pci_alloc_consistent(tp->pdev,
4468                                             sizeof(struct tg3_hw_stats),
4469                                             &tp->stats_mapping);
4470         if (!tp->hw_stats)
4471                 goto err_out;
4472
4473         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4474         memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4475
4476         return 0;
4477
4478 err_out:
4479         tg3_free_consistent(tp);
4480         return -ENOMEM;
4481 }
4482
4483 #define MAX_WAIT_CNT 1000
4484
4485 /* To stop a block, clear the enable bit and poll till it
4486  * clears.  tp->lock is held.
4487  */
4488 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
4489 {
4490         unsigned int i;
4491         u32 val;
4492
4493         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4494                 switch (ofs) {
4495                 case RCVLSC_MODE:
4496                 case DMAC_MODE:
4497                 case MBFREE_MODE:
4498                 case BUFMGR_MODE:
4499                 case MEMARB_MODE:
4500                         /* We can't enable/disable these bits of the
4501                          * 5705/5750, just say success.
4502                          */
4503                         return 0;
4504
4505                 default:
4506                         break;
4507                 };
4508         }
4509
4510         val = tr32(ofs);
4511         val &= ~enable_bit;
4512         tw32_f(ofs, val);
4513
4514         for (i = 0; i < MAX_WAIT_CNT; i++) {
4515                 udelay(100);
4516                 val = tr32(ofs);
4517                 if ((val & enable_bit) == 0)
4518                         break;
4519         }
4520
4521         if (i == MAX_WAIT_CNT && !silent) {
4522                 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4523                        "ofs=%lx enable_bit=%x\n",
4524                        ofs, enable_bit);
4525                 return -ENODEV;
4526         }
4527
4528         return 0;
4529 }
4530
4531 /* tp->lock is held. */
4532 static int tg3_abort_hw(struct tg3 *tp, int silent)
4533 {
4534         int i, err;
4535
4536         tg3_disable_ints(tp);
4537
4538         tp->rx_mode &= ~RX_MODE_ENABLE;
4539         tw32_f(MAC_RX_MODE, tp->rx_mode);
4540         udelay(10);
4541
4542         err  = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4543         err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4544         err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4545         err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4546         err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4547         err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
4548
4549         err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4550         err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4551         err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4552         err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4553         err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4554         err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4555         err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
4556
4557         tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4558         tw32_f(MAC_MODE, tp->mac_mode);
4559         udelay(40);
4560
4561         tp->tx_mode &= ~TX_MODE_ENABLE;
4562         tw32_f(MAC_TX_MODE, tp->tx_mode);
4563
4564         for (i = 0; i < MAX_WAIT_CNT; i++) {
4565                 udelay(100);
4566                 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4567                         break;
4568         }
4569         if (i >= MAX_WAIT_CNT) {
4570                 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4571                        "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4572                        tp->dev->name, tr32(MAC_TX_MODE));
4573                 err |= -ENODEV;
4574         }
4575
4576         err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
4577         err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4578         err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
4579
4580         tw32(FTQ_RESET, 0xffffffff);
4581         tw32(FTQ_RESET, 0x00000000);
4582
4583         err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4584         err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
4585
4586         if (tp->hw_status)
4587                 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4588         if (tp->hw_stats)
4589                 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4590
4591         return err;
4592 }
4593
4594 /* tp->lock is held. */
4595 static int tg3_nvram_lock(struct tg3 *tp)
4596 {
4597         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4598                 int i;
4599
4600                 if (tp->nvram_lock_cnt == 0) {
4601                         tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4602                         for (i = 0; i < 8000; i++) {
4603                                 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4604                                         break;
4605                                 udelay(20);
4606                         }
4607                         if (i == 8000) {
4608                                 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4609                                 return -ENODEV;
4610                         }
4611                 }
4612                 tp->nvram_lock_cnt++;
4613         }
4614         return 0;
4615 }
4616
4617 /* tp->lock is held. */
4618 static void tg3_nvram_unlock(struct tg3 *tp)
4619 {
4620         if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4621                 if (tp->nvram_lock_cnt > 0)
4622                         tp->nvram_lock_cnt--;
4623                 if (tp->nvram_lock_cnt == 0)
4624                         tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4625         }
4626 }
4627
4628 /* tp->lock is held. */
4629 static void tg3_enable_nvram_access(struct tg3 *tp)
4630 {
4631         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4632             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4633                 u32 nvaccess = tr32(NVRAM_ACCESS);
4634
4635                 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4636         }
4637 }
4638
4639 /* tp->lock is held. */
4640 static void tg3_disable_nvram_access(struct tg3 *tp)
4641 {
4642         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4643             !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4644                 u32 nvaccess = tr32(NVRAM_ACCESS);
4645
4646                 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4647         }
4648 }
4649
4650 /* tp->lock is held. */
4651 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4652 {
4653         tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4654                       NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
4655
4656         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4657                 switch (kind) {
4658                 case RESET_KIND_INIT:
4659                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4660                                       DRV_STATE_START);
4661                         break;
4662
4663                 case RESET_KIND_SHUTDOWN:
4664                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4665                                       DRV_STATE_UNLOAD);
4666                         break;
4667
4668                 case RESET_KIND_SUSPEND:
4669                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4670                                       DRV_STATE_SUSPEND);
4671                         break;
4672
4673                 default:
4674                         break;
4675                 };
4676         }
4677 }
4678
4679 /* tp->lock is held. */
4680 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4681 {
4682         if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4683                 switch (kind) {
4684                 case RESET_KIND_INIT:
4685                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4686                                       DRV_STATE_START_DONE);
4687                         break;
4688
4689                 case RESET_KIND_SHUTDOWN:
4690                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4691                                       DRV_STATE_UNLOAD_DONE);
4692                         break;
4693
4694                 default:
4695                         break;
4696                 };
4697         }
4698 }
4699
4700 /* tp->lock is held. */
4701 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4702 {
4703         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4704                 switch (kind) {
4705                 case RESET_KIND_INIT:
4706                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4707                                       DRV_STATE_START);
4708                         break;
4709
4710                 case RESET_KIND_SHUTDOWN:
4711                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4712                                       DRV_STATE_UNLOAD);
4713                         break;
4714
4715                 case RESET_KIND_SUSPEND:
4716                         tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4717                                       DRV_STATE_SUSPEND);
4718                         break;
4719
4720                 default:
4721                         break;
4722                 };
4723         }
4724 }
4725
4726 static int tg3_poll_fw(struct tg3 *tp)
4727 {
4728         int i;
4729         u32 val;
4730
4731         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4732                 for (i = 0; i < 400; i++) {
4733                         if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4734                                 return 0;
4735                         udelay(10);
4736                 }
4737                 return -ENODEV;
4738         }
4739
4740         /* Wait for firmware initialization to complete. */
4741         for (i = 0; i < 100000; i++) {
4742                 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4743                 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4744                         break;
4745                 udelay(10);
4746         }
4747
4748         /* Chip might not be fitted with firmware.  Some Sun onboard
4749          * parts are configured like that.  So don't signal the timeout
4750          * of the above loop as an error, but do report the lack of
4751          * running firmware once.
4752          */
4753         if (i >= 100000 &&
4754             !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4755                 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4756
4757                 printk(KERN_INFO PFX "%s: No firmware running.\n",
4758                        tp->dev->name);
4759         }
4760
4761         return 0;
4762 }
4763
4764 static void tg3_stop_fw(struct tg3 *);
4765
4766 /* tp->lock is held. */
4767 static int tg3_chip_reset(struct tg3 *tp)
4768 {
4769         u32 val;
4770         void (*write_op)(struct tg3 *, u32, u32);
4771         int err;
4772
4773         tg3_nvram_lock(tp);
4774
4775         /* No matching tg3_nvram_unlock() after this because
4776          * chip reset below will undo the nvram lock.
4777          */
4778         tp->nvram_lock_cnt = 0;
4779
4780         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
4781             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
4782             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4783                 tw32(GRC_FASTBOOT_PC, 0);
4784
4785         /*
4786          * We must avoid the readl() that normally takes place.
4787          * It locks machines, causes machine checks, and other
4788          * fun things.  So, temporarily disable the 5701
4789          * hardware workaround, while we do the reset.
4790          */
4791         write_op = tp->write32;
4792         if (write_op == tg3_write_flush_reg32)
4793                 tp->write32 = tg3_write32;
4794
4795         /* do the reset */
4796         val = GRC_MISC_CFG_CORECLK_RESET;
4797
4798         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4799                 if (tr32(0x7e2c) == 0x60) {
4800                         tw32(0x7e2c, 0x20);
4801                 }
4802                 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4803                         tw32(GRC_MISC_CFG, (1 << 29));
4804                         val |= (1 << 29);
4805                 }
4806         }
4807
4808         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4809                 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4810                 tw32(GRC_VCPU_EXT_CTRL,
4811                      tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4812         }
4813
4814         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4815                 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4816         tw32(GRC_MISC_CFG, val);
4817
4818         /* restore 5701 hardware bug workaround write method */
4819         tp->write32 = write_op;
4820
4821         /* Unfortunately, we have to delay before the PCI read back.
4822          * Some 575X chips even will not respond to a PCI cfg access
4823          * when the reset command is given to the chip.
4824          *
4825          * How do these hardware designers expect things to work
4826          * properly if the PCI write is posted for a long period
4827          * of time?  It is always necessary to have some method by
4828          * which a register read back can occur to push the write
4829          * out which does the reset.
4830          *
4831          * For most tg3 variants the trick below was working.
4832          * Ho hum...
4833          */
4834         udelay(120);
4835
4836         /* Flush PCI posted writes.  The normal MMIO registers
4837          * are inaccessible at this time so this is the only
4838          * way to make this reliably (actually, this is no longer
4839          * the case, see above).  I tried to use indirect
4840          * register read/write but this upset some 5701 variants.
4841          */
4842         pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4843
4844         udelay(120);
4845
4846         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4847                 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4848                         int i;
4849                         u32 cfg_val;
4850
4851                         /* Wait for link training to complete.  */
4852                         for (i = 0; i < 5000; i++)
4853                                 udelay(100);
4854
4855                         pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
4856                         pci_write_config_dword(tp->pdev, 0xc4,
4857                                                cfg_val | (1 << 15));
4858                 }
4859                 /* Set PCIE max payload size and clear error status.  */
4860                 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
4861         }
4862
4863         /* Re-enable indirect register accesses. */
4864         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4865                                tp->misc_host_ctrl);
4866
4867         /* Set MAX PCI retry to zero. */
4868         val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4869         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4870             (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4871                 val |= PCISTATE_RETRY_SAME_DMA;
4872         pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4873
4874         pci_restore_state(tp->pdev);
4875
4876         /* Make sure PCI-X relaxed ordering bit is clear. */
4877         pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4878         val &= ~PCIX_CAPS_RELAXED_ORDERING;
4879         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4880
4881         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4882                 u32 val;
4883
4884                 /* Chip reset on 5780 will reset MSI enable bit,
4885                  * so need to restore it.
4886                  */
4887                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4888                         u16 ctrl;
4889
4890                         pci_read_config_word(tp->pdev,
4891                                              tp->msi_cap + PCI_MSI_FLAGS,
4892                                              &ctrl);
4893                         pci_write_config_word(tp->pdev,
4894                                               tp->msi_cap + PCI_MSI_FLAGS,
4895                                               ctrl | PCI_MSI_FLAGS_ENABLE);
4896                         val = tr32(MSGINT_MODE);
4897                         tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4898                 }
4899
4900                 val = tr32(MEMARB_MODE);
4901                 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
4902
4903         } else
4904                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
4905
4906         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
4907                 tg3_stop_fw(tp);
4908                 tw32(0x5000, 0x400);
4909         }
4910
4911         tw32(GRC_MODE, tp->grc_mode);
4912
4913         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
4914                 u32 val = tr32(0xc4);
4915
4916                 tw32(0xc4, val | (1 << 15));
4917         }
4918
4919         if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4920             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
4921                 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4922                 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
4923                         tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
4924                 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
4925         }
4926
4927         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4928                 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
4929                 tw32_f(MAC_MODE, tp->mac_mode);
4930         } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4931                 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
4932                 tw32_f(MAC_MODE, tp->mac_mode);
4933         } else
4934                 tw32_f(MAC_MODE, 0);
4935         udelay(40);
4936
4937         err = tg3_poll_fw(tp);
4938         if (err)
4939                 return err;
4940
4941         if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4942             tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4943                 u32 val = tr32(0x7c00);
4944
4945                 tw32(0x7c00, val | (1 << 25));
4946         }
4947
4948         /* Reprobe ASF enable state.  */
4949         tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
4950         tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
4951         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
4952         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
4953                 u32 nic_cfg;
4954
4955                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
4956                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
4957                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
4958                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
4959                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
4960                 }
4961         }
4962
4963         return 0;
4964 }
4965
4966 /* tp->lock is held. */
4967 static void tg3_stop_fw(struct tg3 *tp)
4968 {
4969         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4970                 u32 val;
4971                 int i;
4972
4973                 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
4974                 val = tr32(GRC_RX_CPU_EVENT);
4975                 val |= (1 << 14);
4976                 tw32(GRC_RX_CPU_EVENT, val);
4977
4978                 /* Wait for RX cpu to ACK the event.  */
4979                 for (i = 0; i < 100; i++) {
4980                         if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
4981                                 break;
4982                         udelay(1);
4983                 }
4984         }
4985 }
4986
4987 /* tp->lock is held. */
4988 static int tg3_halt(struct tg3 *tp, int kind, int silent)
4989 {
4990         int err;
4991
4992         tg3_stop_fw(tp);
4993
4994         tg3_write_sig_pre_reset(tp, kind);
4995
4996         tg3_abort_hw(tp, silent);
4997         err = tg3_chip_reset(tp);
4998
4999         tg3_write_sig_legacy(tp, kind);
5000         tg3_write_sig_post_reset(tp, kind);
5001
5002         if (err)
5003                 return err;
5004
5005         return 0;
5006 }
5007
5008 #define TG3_FW_RELEASE_MAJOR    0x0
5009 #define TG3_FW_RELASE_MINOR     0x0
5010 #define TG3_FW_RELEASE_FIX      0x0
5011 #define TG3_FW_START_ADDR       0x08000000
5012 #define TG3_FW_TEXT_ADDR        0x08000000
5013 #define TG3_FW_TEXT_LEN         0x9c0
5014 #define TG3_FW_RODATA_ADDR      0x080009c0
5015 #define TG3_FW_RODATA_LEN       0x60
5016 #define TG3_FW_DATA_ADDR        0x08000a40
5017 #define TG3_FW_DATA_LEN         0x20
5018 #define TG3_FW_SBSS_ADDR        0x08000a60
5019 #define TG3_FW_SBSS_LEN         0xc
5020 #define TG3_FW_BSS_ADDR         0x08000a70
5021 #define TG3_FW_BSS_LEN          0x10
5022
5023 static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
5024         0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5025         0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5026         0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5027         0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5028         0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5029         0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5030         0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5031         0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5032         0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5033         0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5034         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5035         0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5036         0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5037         0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5038         0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5039         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5040         0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5041         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5042         0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5043         0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5044         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5045         0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5046         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5047         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5048         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5049         0, 0, 0, 0, 0, 0,
5050         0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5051         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5052         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5053         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5054         0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5055         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5056         0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5057         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5058         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5059         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5060         0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5061         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5062         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5063         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5064         0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5065         0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5066         0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5067         0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5068         0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5069         0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5070         0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5071         0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5072         0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5073         0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5074         0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5075         0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5076         0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5077         0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5078         0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5079         0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5080         0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5081         0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5082         0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5083         0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5084         0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5085         0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5086         0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5087         0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5088         0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5089         0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5090         0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5091         0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5092         0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5093         0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5094         0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5095         0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5096         0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5097         0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5098         0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5099         0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5100         0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5101         0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5102         0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5103         0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5104         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5105         0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5106         0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5107         0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5108         0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5109         0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5110         0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5111         0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5112         0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5113         0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5114         0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5115 };
5116
5117 static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
5118         0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5119         0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5120         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5121         0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5122         0x00000000
5123 };
5124
5125 #if 0 /* All zeros, don't eat up space with it. */
5126 u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5127         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5128         0x00000000, 0x00000000, 0x00000000, 0x00000000
5129 };
5130 #endif
5131
5132 #define RX_CPU_SCRATCH_BASE     0x30000
5133 #define RX_CPU_SCRATCH_SIZE     0x04000
5134 #define TX_CPU_SCRATCH_BASE     0x34000
5135 #define TX_CPU_SCRATCH_SIZE     0x04000
5136
5137 /* tp->lock is held. */
5138 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5139 {
5140         int i;
5141
5142         BUG_ON(offset == TX_CPU_BASE &&
5143             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
5144
5145         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5146                 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5147
5148                 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5149                 return 0;
5150         }
5151         if (offset == RX_CPU_BASE) {
5152                 for (i = 0; i < 10000; i++) {
5153                         tw32(offset + CPU_STATE, 0xffffffff);
5154                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5155                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5156                                 break;
5157                 }
5158
5159                 tw32(offset + CPU_STATE, 0xffffffff);
5160                 tw32_f(offset + CPU_MODE,  CPU_MODE_HALT);
5161                 udelay(10);
5162         } else {
5163                 for (i = 0; i < 10000; i++) {
5164                         tw32(offset + CPU_STATE, 0xffffffff);
5165                         tw32(offset + CPU_MODE,  CPU_MODE_HALT);
5166                         if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5167                                 break;
5168                 }
5169         }
5170
5171         if (i >= 10000) {
5172                 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5173                        "and %s CPU\n",
5174                        tp->dev->name,
5175                        (offset == RX_CPU_BASE ? "RX" : "TX"));
5176                 return -ENODEV;
5177         }
5178
5179         /* Clear firmware's nvram arbitration. */
5180         if (tp->tg3_flags & TG3_FLAG_NVRAM)
5181                 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
5182         return 0;
5183 }
5184
5185 struct fw_info {
5186         unsigned int text_base;
5187         unsigned int text_len;
5188         const u32 *text_data;
5189         unsigned int rodata_base;
5190         unsigned int rodata_len;
5191         const u32 *rodata_data;
5192         unsigned int data_base;
5193         unsigned int data_len;
5194         const u32 *data_data;
5195 };
5196
5197 /* tp->lock is held. */
5198 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5199                                  int cpu_scratch_size, struct fw_info *info)
5200 {
5201         int err, lock_err, i;
5202         void (*write_op)(struct tg3 *, u32, u32);
5203
5204         if (cpu_base == TX_CPU_BASE &&
5205             (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5206                 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5207                        "TX cpu firmware on %s which is 5705.\n",
5208                        tp->dev->name);
5209                 return -EINVAL;
5210         }
5211
5212         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5213                 write_op = tg3_write_mem;
5214         else
5215                 write_op = tg3_write_indirect_reg32;
5216
5217         /* It is possible that bootcode is still loading at this point.
5218          * Get the nvram lock first before halting the cpu.
5219          */
5220         lock_err = tg3_nvram_lock(tp);
5221         err = tg3_halt_cpu(tp, cpu_base);
5222         if (!lock_err)
5223                 tg3_nvram_unlock(tp);
5224         if (err)
5225                 goto out;
5226
5227         for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5228                 write_op(tp, cpu_scratch_base + i, 0);
5229         tw32(cpu_base + CPU_STATE, 0xffffffff);
5230         tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5231         for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5232                 write_op(tp, (cpu_scratch_base +
5233                               (info->text_base & 0xffff) +
5234                               (i * sizeof(u32))),
5235                          (info->text_data ?
5236                           info->text_data[i] : 0));
5237         for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5238                 write_op(tp, (cpu_scratch_base +
5239                               (info->rodata_base & 0xffff) +
5240                               (i * sizeof(u32))),
5241                          (info->rodata_data ?
5242                           info->rodata_data[i] : 0));
5243         for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5244                 write_op(tp, (cpu_scratch_base +
5245                               (info->data_base & 0xffff) +
5246                               (i * sizeof(u32))),
5247                          (info->data_data ?
5248                           info->data_data[i] : 0));
5249
5250         err = 0;
5251
5252 out:
5253         return err;
5254 }
5255
5256 /* tp->lock is held. */
5257 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5258 {
5259         struct fw_info info;
5260         int err, i;
5261
5262         info.text_base = TG3_FW_TEXT_ADDR;
5263         info.text_len = TG3_FW_TEXT_LEN;
5264         info.text_data = &tg3FwText[0];
5265         info.rodata_base = TG3_FW_RODATA_ADDR;
5266         info.rodata_len = TG3_FW_RODATA_LEN;
5267         info.rodata_data = &tg3FwRodata[0];
5268         info.data_base = TG3_FW_DATA_ADDR;
5269         info.data_len = TG3_FW_DATA_LEN;
5270         info.data_data = NULL;
5271
5272         err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5273                                     RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5274                                     &info);
5275         if (err)
5276                 return err;
5277
5278         err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5279                                     TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5280                                     &info);
5281         if (err)
5282                 return err;
5283
5284         /* Now startup only the RX cpu. */
5285         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5286         tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5287
5288         for (i = 0; i < 5; i++) {
5289                 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5290                         break;
5291                 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5292                 tw32(RX_CPU_BASE + CPU_MODE,  CPU_MODE_HALT);
5293                 tw32_f(RX_CPU_BASE + CPU_PC,    TG3_FW_TEXT_ADDR);
5294                 udelay(1000);
5295         }
5296         if (i >= 5) {
5297                 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5298                        "to set RX CPU PC, is %08x should be %08x\n",
5299                        tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5300                        TG3_FW_TEXT_ADDR);
5301                 return -ENODEV;
5302         }
5303         tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5304         tw32_f(RX_CPU_BASE + CPU_MODE,  0x00000000);
5305
5306         return 0;
5307 }
5308
5309 #if TG3_TSO_SUPPORT != 0
5310
5311 #define TG3_TSO_FW_RELEASE_MAJOR        0x1
5312 #define TG3_TSO_FW_RELASE_MINOR         0x6
5313 #define TG3_TSO_FW_RELEASE_FIX          0x0
5314 #define TG3_TSO_FW_START_ADDR           0x08000000
5315 #define TG3_TSO_FW_TEXT_ADDR            0x08000000
5316 #define TG3_TSO_FW_TEXT_LEN             0x1aa0
5317 #define TG3_TSO_FW_RODATA_ADDR          0x08001aa0
5318 #define TG3_TSO_FW_RODATA_LEN           0x60
5319 #define TG3_TSO_FW_DATA_ADDR            0x08001b20
5320 #define TG3_TSO_FW_DATA_LEN             0x30
5321 #define TG3_TSO_FW_SBSS_ADDR            0x08001b50
5322 #define TG3_TSO_FW_SBSS_LEN             0x2c
5323 #define TG3_TSO_FW_BSS_ADDR             0x08001b80
5324 #define TG3_TSO_FW_BSS_LEN              0x894
5325
5326 static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
5327         0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5328         0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5329         0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5330         0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5331         0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5332         0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5333         0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5334         0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5335         0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5336         0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5337         0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5338         0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5339         0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5340         0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5341         0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5342         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5343         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5344         0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5345         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5346         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5347         0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5348         0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5349         0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5350         0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5351         0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5352         0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5353         0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5354         0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5355         0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5356         0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5357         0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5358         0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5359         0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5360         0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5361         0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5362         0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5363         0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5364         0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5365         0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5366         0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5367         0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5368         0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5369         0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5370         0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5371         0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5372         0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5373         0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5374         0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5375         0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5376         0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5377         0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5378         0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5379         0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5380         0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5381         0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5382         0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5383         0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5384         0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5385         0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5386         0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5387         0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5388         0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5389         0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5390         0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5391         0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5392         0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5393         0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5394         0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5395         0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5396         0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5397         0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5398         0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5399         0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5400         0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5401         0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5402         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5403         0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5404         0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5405         0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5406         0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5407         0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5408         0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5409         0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5410         0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5411         0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5412         0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5413         0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5414         0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5415         0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5416         0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5417         0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5418         0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5419         0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5420         0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5421         0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5422         0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5423         0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5424         0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5425         0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5426         0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5427         0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5428         0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5429         0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5430         0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5431         0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5432         0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5433         0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5434         0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5435         0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5436         0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5437         0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5438         0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5439         0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5440         0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5441         0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5442         0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5443         0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5444         0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5445         0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5446         0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5447         0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5448         0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5449         0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5450         0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5451         0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5452         0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5453         0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5454         0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5455         0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5456         0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5457         0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5458         0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5459         0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5460         0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5461         0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5462         0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5463         0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5464         0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5465         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5466         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5467         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5468         0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5469         0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5470         0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5471         0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5472         0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5473         0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5474         0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5475         0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5476         0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5477         0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5478         0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5479         0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5480         0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5481         0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5482         0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5483         0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5484         0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5485         0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5486         0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5487         0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5488         0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5489         0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5490         0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5491         0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5492         0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5493         0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5494         0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5495         0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5496         0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5497         0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5498         0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5499         0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5500         0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5501         0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5502         0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5503         0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5504         0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5505         0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5506         0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5507         0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5508         0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5509         0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5510         0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5511         0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5512         0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5513         0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5514         0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5515         0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5516         0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5517         0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5518         0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5519         0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5520         0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5521         0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5522         0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5523         0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5524         0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5525         0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5526         0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5527         0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5528         0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5529         0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5530         0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5531         0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5532         0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5533         0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5534         0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5535         0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5536         0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5537         0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5538         0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5539         0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5540         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5541         0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5542         0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5543         0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5544         0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5545         0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5546         0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5547         0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5548         0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5549         0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5550         0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5551         0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5552         0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5553         0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5554         0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5555         0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5556         0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5557         0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5558         0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5559         0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5560         0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5561         0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5562         0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5563         0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5564         0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5565         0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5566         0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5567         0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5568         0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5569         0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5570         0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5571         0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5572         0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5573         0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5574         0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5575         0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5576         0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5577         0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5578         0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5579         0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5580         0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5581         0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5582         0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5583         0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5584         0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5585         0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5586         0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5587         0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5588         0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5589         0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5590         0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5591         0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5592         0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5593         0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5594         0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5595         0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5596         0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5597         0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5598         0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5599         0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5600         0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5601         0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5602         0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5603         0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5604         0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5605         0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5606         0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5607         0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5608         0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5609         0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5610         0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5611 };
5612
5613 static const u32 tg3TsoFwRodata[] = {
5614         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5615         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5616         0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5617         0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5618         0x00000000,
5619 };
5620
5621 static const u32 tg3TsoFwData[] = {
5622         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5623         0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5624         0x00000000,
5625 };
5626
5627 /* 5705 needs a special version of the TSO firmware.  */
5628 #define TG3_TSO5_FW_RELEASE_MAJOR       0x1
5629 #define TG3_TSO5_FW_RELASE_MINOR        0x2
5630 #define TG3_TSO5_FW_RELEASE_FIX         0x0
5631 #define TG3_TSO5_FW_START_ADDR          0x00010000
5632 #define TG3_TSO5_FW_TEXT_ADDR           0x00010000
5633 #define TG3_TSO5_FW_TEXT_LEN            0xe90
5634 #define TG3_TSO5_FW_RODATA_ADDR         0x00010e90
5635 #define TG3_TSO5_FW_RODATA_LEN          0x50
5636 #define TG3_TSO5_FW_DATA_ADDR           0x00010f00
5637 #define TG3_TSO5_FW_DATA_LEN            0x20
5638 #define TG3_TSO5_FW_SBSS_ADDR           0x00010f20
5639 #define TG3_TSO5_FW_SBSS_LEN            0x28
5640 #define TG3_TSO5_FW_BSS_ADDR            0x00010f50
5641 #define TG3_TSO5_FW_BSS_LEN             0x88
5642
5643 static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
5644         0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5645         0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5646         0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5647         0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5648         0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5649         0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5650         0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5651         0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5652         0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5653         0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5654         0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5655         0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5656         0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5657         0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5658         0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5659         0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5660         0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5661         0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5662         0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5663         0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5664         0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5665         0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5666         0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5667         0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5668         0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5669         0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5670         0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5671         0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5672         0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5673         0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5674         0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5675         0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5676         0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5677         0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5678         0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5679         0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5680         0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5681         0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5682         0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5683         0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5684         0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5685         0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5686         0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5687         0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5688         0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5689         0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5690         0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5691         0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5692         0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5693         0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5694         0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5695         0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5696         0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5697         0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5698         0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5699         0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5700         0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5701         0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5702         0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5703         0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5704         0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5705         0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5706         0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5707         0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5708         0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5709         0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5710         0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5711         0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5712         0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5713         0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5714         0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5715         0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5716         0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5717         0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5718         0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5719         0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5720         0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5721         0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5722         0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5723         0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5724         0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5725         0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5726         0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5727         0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5728         0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5729         0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5730         0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5731         0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5732         0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5733         0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5734         0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5735         0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5736         0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5737         0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5738         0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5739         0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5740         0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5741         0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5742         0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5743         0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5744         0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5745         0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5746         0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5747         0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5748         0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5749         0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5750         0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5751         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5752         0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5753         0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5754         0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5755         0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5756         0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5757         0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5758         0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5759         0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5760         0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5761         0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5762         0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5763         0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5764         0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5765         0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5766         0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5767         0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5768         0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5769         0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5770         0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5771         0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5772         0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5773         0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5774         0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5775         0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5776         0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5777         0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5778         0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5779         0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5780         0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5781         0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5782         0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5783         0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5784         0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5785         0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5786         0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5787         0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5788         0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5789         0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5790         0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5791         0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5792         0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5793         0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5794         0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5795         0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5796         0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5797         0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5798         0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5799         0x00000000, 0x00000000, 0x00000000,
5800 };
5801
5802 static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
5803         0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5804         0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5805         0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5806         0x00000000, 0x00000000, 0x00000000,
5807 };
5808
5809 static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
5810         0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5811         0x00000000, 0x00000000, 0x00000000,
5812 };
5813
5814 /* tp->lock is held. */
5815 static int tg3_load_tso_firmware(struct tg3 *tp)
5816 {
5817         struct fw_info info;
5818         unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5819         int err, i;
5820
5821         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5822                 return 0;
5823
5824         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5825                 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5826                 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5827                 info.text_data = &tg3Tso5FwText[0];
5828                 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5829                 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5830                 info.rodata_data = &tg3Tso5FwRodata[0];
5831                 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5832                 info.data_len = TG3_TSO5_FW_DATA_LEN;
5833                 info.data_data = &tg3Tso5FwData[0];
5834                 cpu_base = RX_CPU_BASE;
5835                 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5836                 cpu_scratch_size = (info.text_len +
5837                                     info.rodata_len +
5838                                     info.data_len +
5839                                     TG3_TSO5_FW_SBSS_LEN +
5840                                     TG3_TSO5_FW_BSS_LEN);
5841         } else {
5842                 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5843                 info.text_len = TG3_TSO_FW_TEXT_LEN;
5844                 info.text_data = &tg3TsoFwText[0];
5845                 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5846                 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5847                 info.rodata_data = &tg3TsoFwRodata[0];
5848                 info.data_base = TG3_TSO_FW_DATA_ADDR;
5849                 info.data_len = TG3_TSO_FW_DATA_LEN;
5850                 info.data_data = &tg3TsoFwData[0];
5851                 cpu_base = TX_CPU_BASE;
5852                 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5853                 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5854         }
5855
5856         err = tg3_load_firmware_cpu(tp, cpu_base,
5857                                     cpu_scratch_base, cpu_scratch_size,
5858                                     &info);
5859         if (err)
5860                 return err;
5861
5862         /* Now startup the cpu. */
5863         tw32(cpu_base + CPU_STATE, 0xffffffff);
5864         tw32_f(cpu_base + CPU_PC,    info.text_base);
5865
5866         for (i = 0; i < 5; i++) {
5867                 if (tr32(cpu_base + CPU_PC) == info.text_base)
5868                         break;
5869                 tw32(cpu_base + CPU_STATE, 0xffffffff);
5870                 tw32(cpu_base + CPU_MODE,  CPU_MODE_HALT);
5871                 tw32_f(cpu_base + CPU_PC,    info.text_base);
5872                 udelay(1000);
5873         }
5874         if (i >= 5) {
5875                 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5876                        "to set CPU PC, is %08x should be %08x\n",
5877                        tp->dev->name, tr32(cpu_base + CPU_PC),
5878                        info.text_base);
5879                 return -ENODEV;
5880         }
5881         tw32(cpu_base + CPU_STATE, 0xffffffff);
5882         tw32_f(cpu_base + CPU_MODE,  0x00000000);
5883         return 0;
5884 }
5885
5886 #endif /* TG3_TSO_SUPPORT != 0 */
5887
5888 /* tp->lock is held. */
5889 static void __tg3_set_mac_addr(struct tg3 *tp)
5890 {
5891         u32 addr_high, addr_low;
5892         int i;
5893
5894         addr_high = ((tp->dev->dev_addr[0] << 8) |
5895                      tp->dev->dev_addr[1]);
5896         addr_low = ((tp->dev->dev_addr[2] << 24) |
5897                     (tp->dev->dev_addr[3] << 16) |
5898                     (tp->dev->dev_addr[4] <<  8) |
5899                     (tp->dev->dev_addr[5] <<  0));
5900         for (i = 0; i < 4; i++) {
5901                 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
5902                 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
5903         }
5904
5905         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
5906             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
5907                 for (i = 0; i < 12; i++) {
5908                         tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
5909                         tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
5910                 }
5911         }
5912
5913         addr_high = (tp->dev->dev_addr[0] +
5914                      tp->dev->dev_addr[1] +
5915                      tp->dev->dev_addr[2] +
5916                      tp->dev->dev_addr[3] +
5917                      tp->dev->dev_addr[4] +
5918                      tp->dev->dev_addr[5]) &
5919                 TX_BACKOFF_SEED_MASK;
5920         tw32(MAC_TX_BACKOFF_SEED, addr_high);
5921 }
5922
5923 static int tg3_set_mac_addr(struct net_device *dev, void *p)
5924 {
5925         struct tg3 *tp = netdev_priv(dev);
5926         struct sockaddr *addr = p;
5927         int err = 0;
5928
5929         if (!is_valid_ether_addr(addr->sa_data))
5930                 return -EINVAL;
5931
5932         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
5933
5934         if (!netif_running(dev))
5935                 return 0;
5936
5937         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5938                 /* Reset chip so that ASF can re-init any MAC addresses it
5939                  * needs.
5940                  */
5941                 tg3_netif_stop(tp);
5942                 tg3_full_lock(tp, 1);
5943
5944                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5945                 err = tg3_restart_hw(tp, 0);
5946                 if (!err)
5947                         tg3_netif_start(tp);
5948                 tg3_full_unlock(tp);
5949         } else {
5950                 spin_lock_bh(&tp->lock);
5951                 __tg3_set_mac_addr(tp);
5952                 spin_unlock_bh(&tp->lock);
5953         }
5954
5955         return err;
5956 }
5957
5958 /* tp->lock is held. */
5959 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
5960                            dma_addr_t mapping, u32 maxlen_flags,
5961                            u32 nic_addr)
5962 {
5963         tg3_write_mem(tp,
5964                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
5965                       ((u64) mapping >> 32));
5966         tg3_write_mem(tp,
5967                       (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
5968                       ((u64) mapping & 0xffffffff));
5969         tg3_write_mem(tp,
5970                       (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
5971                        maxlen_flags);
5972
5973         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
5974                 tg3_write_mem(tp,
5975                               (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
5976                               nic_addr);
5977 }
5978
5979 static void __tg3_set_rx_mode(struct net_device *);
5980 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
5981 {
5982         tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
5983         tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
5984         tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
5985         tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
5986         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5987                 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
5988                 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
5989         }
5990         tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
5991         tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
5992         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5993                 u32 val = ec->stats_block_coalesce_usecs;
5994
5995                 if (!netif_carrier_ok(tp->dev))
5996                         val = 0;
5997
5998                 tw32(HOSTCC_STAT_COAL_TICKS, val);
5999         }
6000 }
6001
6002 /* tp->lock is held. */
6003 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6004 {
6005         u32 val, rdmac_mode;
6006         int i, err, limit;
6007
6008         tg3_disable_ints(tp);
6009
6010         tg3_stop_fw(tp);
6011
6012         tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6013
6014         if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6015                 tg3_abort_hw(tp, 1);
6016         }
6017
6018         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) && reset_phy)
6019                 tg3_phy_reset(tp);
6020
6021         err = tg3_chip_reset(tp);
6022         if (err)
6023                 return err;
6024
6025         tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6026
6027         /* This works around an issue with Athlon chipsets on
6028          * B3 tigon3 silicon.  This bit has no effect on any
6029          * other revision.  But do not set this on PCI Express
6030          * chips.
6031          */
6032         if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6033                 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6034         tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6035
6036         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6037             (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6038                 val = tr32(TG3PCI_PCISTATE);
6039                 val |= PCISTATE_RETRY_SAME_DMA;
6040                 tw32(TG3PCI_PCISTATE, val);
6041         }
6042
6043         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6044                 /* Enable some hw fixes.  */
6045                 val = tr32(TG3PCI_MSI_DATA);
6046                 val |= (1 << 26) | (1 << 28) | (1 << 29);
6047                 tw32(TG3PCI_MSI_DATA, val);
6048         }
6049
6050         /* Descriptor ring init may make accesses to the
6051          * NIC SRAM area to setup the TX descriptors, so we
6052          * can only do this after the hardware has been
6053          * successfully reset.
6054          */
6055         err = tg3_init_rings(tp);
6056         if (err)
6057                 return err;
6058
6059         /* This value is determined during the probe time DMA
6060          * engine test, tg3_test_dma.
6061          */
6062         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6063
6064         tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6065                           GRC_MODE_4X_NIC_SEND_RINGS |
6066                           GRC_MODE_NO_TX_PHDR_CSUM |
6067                           GRC_MODE_NO_RX_PHDR_CSUM);
6068         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6069
6070         /* Pseudo-header checksum is done by hardware logic and not
6071          * the offload processers, so make the chip do the pseudo-
6072          * header checksums on receive.  For transmit it is more
6073          * convenient to do the pseudo-header checksum in software
6074          * as Linux does that on transmit for us in all cases.
6075          */
6076         tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6077
6078         tw32(GRC_MODE,
6079              tp->grc_mode |
6080              (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6081
6082         /* Setup the timer prescalar register.  Clock is always 66Mhz. */
6083         val = tr32(GRC_MISC_CFG);
6084         val &= ~0xff;
6085         val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6086         tw32(GRC_MISC_CFG, val);
6087
6088         /* Initialize MBUF/DESC pool. */
6089         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6090                 /* Do nothing.  */
6091         } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6092                 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6093                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6094                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6095                 else
6096                         tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6097                 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6098                 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6099         }
6100 #if TG3_TSO_SUPPORT != 0
6101         else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6102                 int fw_len;
6103
6104                 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6105                           TG3_TSO5_FW_RODATA_LEN +
6106                           TG3_TSO5_FW_DATA_LEN +
6107                           TG3_TSO5_FW_SBSS_LEN +
6108                           TG3_TSO5_FW_BSS_LEN);
6109                 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6110                 tw32(BUFMGR_MB_POOL_ADDR,
6111                      NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6112                 tw32(BUFMGR_MB_POOL_SIZE,
6113                      NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6114         }
6115 #endif
6116
6117         if (tp->dev->mtu <= ETH_DATA_LEN) {
6118                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6119                      tp->bufmgr_config.mbuf_read_dma_low_water);
6120                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6121                      tp->bufmgr_config.mbuf_mac_rx_low_water);
6122                 tw32(BUFMGR_MB_HIGH_WATER,
6123                      tp->bufmgr_config.mbuf_high_water);
6124         } else {
6125                 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6126                      tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6127                 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6128                      tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6129                 tw32(BUFMGR_MB_HIGH_WATER,
6130                      tp->bufmgr_config.mbuf_high_water_jumbo);
6131         }
6132         tw32(BUFMGR_DMA_LOW_WATER,
6133              tp->bufmgr_config.dma_low_water);
6134         tw32(BUFMGR_DMA_HIGH_WATER,
6135              tp->bufmgr_config.dma_high_water);
6136
6137         tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6138         for (i = 0; i < 2000; i++) {
6139                 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6140                         break;
6141                 udelay(10);
6142         }
6143         if (i >= 2000) {
6144                 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6145                        tp->dev->name);
6146                 return -ENODEV;
6147         }
6148
6149         /* Setup replenish threshold. */
6150         val = tp->rx_pending / 8;
6151         if (val == 0)
6152                 val = 1;
6153         else if (val > tp->rx_std_max_post)
6154                 val = tp->rx_std_max_post;
6155         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6156                 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6157                         tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6158
6159                 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6160                         val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6161         }
6162
6163         tw32(RCVBDI_STD_THRESH, val);
6164
6165         /* Initialize TG3_BDINFO's at:
6166          *  RCVDBDI_STD_BD:     standard eth size rx ring
6167          *  RCVDBDI_JUMBO_BD:   jumbo frame rx ring
6168          *  RCVDBDI_MINI_BD:    small frame rx ring (??? does not work)
6169          *
6170          * like so:
6171          *  TG3_BDINFO_HOST_ADDR:       high/low parts of DMA address of ring
6172          *  TG3_BDINFO_MAXLEN_FLAGS:    (rx max buffer size << 16) |
6173          *                              ring attribute flags
6174          *  TG3_BDINFO_NIC_ADDR:        location of descriptors in nic SRAM
6175          *
6176          * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6177          * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6178          *
6179          * The size of each ring is fixed in the firmware, but the location is
6180          * configurable.
6181          */
6182         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6183              ((u64) tp->rx_std_mapping >> 32));
6184         tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6185              ((u64) tp->rx_std_mapping & 0xffffffff));
6186         tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6187              NIC_SRAM_RX_BUFFER_DESC);
6188
6189         /* Don't even try to program the JUMBO/MINI buffer descriptor
6190          * configs on 5705.
6191          */
6192         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6193                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6194                      RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6195         } else {
6196                 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6197                      RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6198
6199                 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6200                      BDINFO_FLAGS_DISABLED);
6201
6202                 /* Setup replenish threshold. */
6203                 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6204
6205                 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6206                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6207                              ((u64) tp->rx_jumbo_mapping >> 32));
6208                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6209                              ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6210                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6211                              RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6212                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6213                              NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6214                 } else {
6215                         tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6216                              BDINFO_FLAGS_DISABLED);
6217                 }
6218
6219         }
6220
6221         /* There is only one send ring on 5705/5750, no need to explicitly
6222          * disable the others.
6223          */
6224         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6225                 /* Clear out send RCB ring in SRAM. */
6226                 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6227                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6228                                       BDINFO_FLAGS_DISABLED);
6229         }
6230
6231         tp->tx_prod = 0;
6232         tp->tx_cons = 0;
6233         tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6234         tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6235
6236         tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6237                        tp->tx_desc_mapping,
6238                        (TG3_TX_RING_SIZE <<
6239                         BDINFO_FLAGS_MAXLEN_SHIFT),
6240                        NIC_SRAM_TX_BUFFER_DESC);
6241
6242         /* There is only one receive return ring on 5705/5750, no need
6243          * to explicitly disable the others.
6244          */
6245         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6246                 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6247                      i += TG3_BDINFO_SIZE) {
6248                         tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6249                                       BDINFO_FLAGS_DISABLED);
6250                 }
6251         }
6252
6253         tp->rx_rcb_ptr = 0;
6254         tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6255
6256         tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6257                        tp->rx_rcb_mapping,
6258                        (TG3_RX_RCB_RING_SIZE(tp) <<
6259                         BDINFO_FLAGS_MAXLEN_SHIFT),
6260                        0);
6261
6262         tp->rx_std_ptr = tp->rx_pending;
6263         tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6264                      tp->rx_std_ptr);
6265
6266         tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6267                                                 tp->rx_jumbo_pending : 0;
6268         tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6269                      tp->rx_jumbo_ptr);
6270
6271         /* Initialize MAC address and backoff seed. */
6272         __tg3_set_mac_addr(tp);
6273
6274         /* MTU + ethernet header + FCS + optional VLAN tag */
6275         tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6276
6277         /* The slot time is changed by tg3_setup_phy if we
6278          * run at gigabit with half duplex.
6279          */
6280         tw32(MAC_TX_LENGTHS,
6281              (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6282              (6 << TX_LENGTHS_IPG_SHIFT) |
6283              (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6284
6285         /* Receive rules. */
6286         tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6287         tw32(RCVLPC_CONFIG, 0x0181);
6288
6289         /* Calculate RDMAC_MODE setting early, we need it to determine
6290          * the RCVLPC_STATE_ENABLE mask.
6291          */
6292         rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6293                       RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6294                       RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6295                       RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6296                       RDMAC_MODE_LNGREAD_ENAB);
6297         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6298                 rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
6299
6300         /* If statement applies to 5705 and 5750 PCI devices only */
6301         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6302              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6303             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
6304                 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
6305                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6306                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6307                         rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6308                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6309                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6310                         rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6311                 }
6312         }
6313
6314         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6315                 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6316
6317 #if TG3_TSO_SUPPORT != 0
6318         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6319                 rdmac_mode |= (1 << 27);
6320 #endif
6321
6322         /* Receive/send statistics. */
6323         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6324                 val = tr32(RCVLPC_STATS_ENABLE);
6325                 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6326                 tw32(RCVLPC_STATS_ENABLE, val);
6327         } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6328                    (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
6329                 val = tr32(RCVLPC_STATS_ENABLE);
6330                 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6331                 tw32(RCVLPC_STATS_ENABLE, val);
6332         } else {
6333                 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6334         }
6335         tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6336         tw32(SNDDATAI_STATSENAB, 0xffffff);
6337         tw32(SNDDATAI_STATSCTRL,
6338              (SNDDATAI_SCTRL_ENABLE |
6339               SNDDATAI_SCTRL_FASTUPD));
6340
6341         /* Setup host coalescing engine. */
6342         tw32(HOSTCC_MODE, 0);
6343         for (i = 0; i < 2000; i++) {
6344                 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6345                         break;
6346                 udelay(10);
6347         }
6348
6349         __tg3_set_coalesce(tp, &tp->coal);
6350
6351         /* set status block DMA address */
6352         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6353              ((u64) tp->status_mapping >> 32));
6354         tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6355              ((u64) tp->status_mapping & 0xffffffff));
6356
6357         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6358                 /* Status/statistics block address.  See tg3_timer,
6359                  * the tg3_periodic_fetch_stats call there, and
6360                  * tg3_get_stats to see how this works for 5705/5750 chips.
6361                  */
6362                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6363                      ((u64) tp->stats_mapping >> 32));
6364                 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6365                      ((u64) tp->stats_mapping & 0xffffffff));
6366                 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6367                 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6368         }
6369
6370         tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6371
6372         tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6373         tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6374         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6375                 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6376
6377         /* Clear statistics/status block in chip, and status block in ram. */
6378         for (i = NIC_SRAM_STATS_BLK;
6379              i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6380              i += sizeof(u32)) {
6381                 tg3_write_mem(tp, i, 0);
6382                 udelay(40);
6383         }
6384         memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6385
6386         if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6387                 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6388                 /* reset to prevent losing 1st rx packet intermittently */
6389                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6390                 udelay(10);
6391         }
6392
6393         tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6394                 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
6395         tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6396         udelay(40);
6397
6398         /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
6399          * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
6400          * register to preserve the GPIO settings for LOMs. The GPIOs,
6401          * whether used as inputs or outputs, are set by boot code after
6402          * reset.
6403          */
6404         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
6405                 u32 gpio_mask;
6406
6407                 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
6408                             GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
6409
6410                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6411                         gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6412                                      GRC_LCLCTRL_GPIO_OUTPUT3;
6413
6414                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6415                         gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6416
6417                 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6418
6419                 /* GPIO1 must be driven high for eeprom write protect */
6420                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6421                                        GRC_LCLCTRL_GPIO_OUTPUT1);
6422         }
6423         tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6424         udelay(100);
6425
6426         tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
6427         tp->last_tag = 0;
6428
6429         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6430                 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6431                 udelay(40);
6432         }
6433
6434         val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6435                WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6436                WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6437                WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6438                WDMAC_MODE_LNGREAD_ENAB);
6439
6440         /* If statement applies to 5705 and 5750 PCI devices only */
6441         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6442              tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6443             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
6444                 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6445                     (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6446                      tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6447                         /* nothing */
6448                 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6449                            !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6450                            !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6451                         val |= WDMAC_MODE_RX_ACCEL;
6452                 }
6453         }
6454
6455         /* Enable host coalescing bug fix */
6456         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6457             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
6458                 val |= (1 << 29);
6459
6460         tw32_f(WDMAC_MODE, val);
6461         udelay(40);
6462
6463         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6464                 val = tr32(TG3PCI_X_CAPS);
6465                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6466                         val &= ~PCIX_CAPS_BURST_MASK;
6467                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6468                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6469                         val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6470                         val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6471                         if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
6472                                 val |= (tp->split_mode_max_reqs <<
6473                                         PCIX_CAPS_SPLIT_SHIFT);
6474                 }
6475                 tw32(TG3PCI_X_CAPS, val);
6476         }
6477
6478         tw32_f(RDMAC_MODE, rdmac_mode);
6479         udelay(40);
6480
6481         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6482         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6483                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6484         tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6485         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6486         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6487         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6488         tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
6489 #if TG3_TSO_SUPPORT != 0
6490         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6491                 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
6492 #endif
6493         tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6494         tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6495
6496         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6497                 err = tg3_load_5701_a0_firmware_fix(tp);
6498                 if (err)
6499                         return err;
6500         }
6501
6502 #if TG3_TSO_SUPPORT != 0
6503         if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6504                 err = tg3_load_tso_firmware(tp);
6505                 if (err)
6506                         return err;
6507         }
6508 #endif
6509
6510         tp->tx_mode = TX_MODE_ENABLE;
6511         tw32_f(MAC_TX_MODE, tp->tx_mode);
6512         udelay(100);
6513
6514         tp->rx_mode = RX_MODE_ENABLE;
6515         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6516                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6517
6518         tw32_f(MAC_RX_MODE, tp->rx_mode);
6519         udelay(10);
6520
6521         if (tp->link_config.phy_is_low_power) {
6522                 tp->link_config.phy_is_low_power = 0;
6523                 tp->link_config.speed = tp->link_config.orig_speed;
6524                 tp->link_config.duplex = tp->link_config.orig_duplex;
6525                 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6526         }
6527
6528         tp->mi_mode = MAC_MI_MODE_BASE;
6529         tw32_f(MAC_MI_MODE, tp->mi_mode);
6530         udelay(80);
6531
6532         tw32(MAC_LED_CTRL, tp->led_ctrl);
6533
6534         tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
6535         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6536                 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6537                 udelay(10);
6538         }
6539         tw32_f(MAC_RX_MODE, tp->rx_mode);
6540         udelay(10);
6541
6542         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6543                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6544                         !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6545                         /* Set drive transmission level to 1.2V  */
6546                         /* only if the signal pre-emphasis bit is not set  */
6547                         val = tr32(MAC_SERDES_CFG);
6548                         val &= 0xfffff000;
6549                         val |= 0x880;
6550                         tw32(MAC_SERDES_CFG, val);
6551                 }
6552                 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6553                         tw32(MAC_SERDES_CFG, 0x616000);
6554         }
6555
6556         /* Prevent chip from dropping frames when flow control
6557          * is enabled.
6558          */
6559         tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6560
6561         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6562             (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6563                 /* Use hardware link auto-negotiation */
6564                 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6565         }
6566
6567         if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6568             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6569                 u32 tmp;
6570
6571                 tmp = tr32(SERDES_RX_CTRL);
6572                 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6573                 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6574                 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6575                 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6576         }
6577
6578         err = tg3_setup_phy(tp, reset_phy);
6579         if (err)
6580                 return err;
6581
6582         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6583             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
6584                 u32 tmp;
6585
6586                 /* Clear CRC stats. */
6587                 if (!tg3_readphy(tp, 0x1e, &tmp)) {
6588                         tg3_writephy(tp, 0x1e, tmp | 0x8000);
6589                         tg3_readphy(tp, 0x14, &tmp);
6590                 }
6591         }
6592
6593         __tg3_set_rx_mode(tp->dev);
6594
6595         /* Initialize receive rules. */
6596         tw32(MAC_RCV_RULE_0,  0xc2000000 & RCV_RULE_DISABLE_MASK);
6597         tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6598         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
6599         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6600
6601         if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6602             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
6603                 limit = 8;
6604         else
6605                 limit = 16;
6606         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6607                 limit -= 4;
6608         switch (limit) {
6609         case 16:
6610                 tw32(MAC_RCV_RULE_15,  0); tw32(MAC_RCV_VALUE_15,  0);
6611         case 15:
6612                 tw32(MAC_RCV_RULE_14,  0); tw32(MAC_RCV_VALUE_14,  0);
6613         case 14:
6614                 tw32(MAC_RCV_RULE_13,  0); tw32(MAC_RCV_VALUE_13,  0);
6615         case 13:
6616                 tw32(MAC_RCV_RULE_12,  0); tw32(MAC_RCV_VALUE_12,  0);
6617         case 12:
6618                 tw32(MAC_RCV_RULE_11,  0); tw32(MAC_RCV_VALUE_11,  0);
6619         case 11:
6620                 tw32(MAC_RCV_RULE_10,  0); tw32(MAC_RCV_VALUE_10,  0);
6621         case 10:
6622                 tw32(MAC_RCV_RULE_9,  0); tw32(MAC_RCV_VALUE_9,  0);
6623         case 9:
6624                 tw32(MAC_RCV_RULE_8,  0); tw32(MAC_RCV_VALUE_8,  0);
6625         case 8:
6626                 tw32(MAC_RCV_RULE_7,  0); tw32(MAC_RCV_VALUE_7,  0);
6627         case 7:
6628                 tw32(MAC_RCV_RULE_6,  0); tw32(MAC_RCV_VALUE_6,  0);
6629         case 6:
6630                 tw32(MAC_RCV_RULE_5,  0); tw32(MAC_RCV_VALUE_5,  0);
6631         case 5:
6632                 tw32(MAC_RCV_RULE_4,  0); tw32(MAC_RCV_VALUE_4,  0);
6633         case 4:
6634                 /* tw32(MAC_RCV_RULE_3,  0); tw32(MAC_RCV_VALUE_3,  0); */
6635         case 3:
6636                 /* tw32(MAC_RCV_RULE_2,  0); tw32(MAC_RCV_VALUE_2,  0); */
6637         case 2:
6638         case 1:
6639
6640         default:
6641                 break;
6642         };
6643
6644         tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6645
6646         return 0;
6647 }
6648
6649 /* Called at device open time to get the chip ready for
6650  * packet processing.  Invoked with tp->lock held.
6651  */
6652 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
6653 {
6654         int err;
6655
6656         /* Force the chip into D0. */
6657         err = tg3_set_power_state(tp, PCI_D0);
6658         if (err)
6659                 goto out;
6660
6661         tg3_switch_clocks(tp);
6662
6663         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6664
6665         err = tg3_reset_hw(tp, reset_phy);
6666
6667 out:
6668         return err;
6669 }
6670
6671 #define TG3_STAT_ADD32(PSTAT, REG) \
6672 do {    u32 __val = tr32(REG); \
6673         (PSTAT)->low += __val; \
6674         if ((PSTAT)->low < __val) \
6675                 (PSTAT)->high += 1; \
6676 } while (0)
6677
6678 static void tg3_periodic_fetch_stats(struct tg3 *tp)
6679 {
6680         struct tg3_hw_stats *sp = tp->hw_stats;
6681
6682         if (!netif_carrier_ok(tp->dev))
6683                 return;
6684
6685         TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6686         TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6687         TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6688         TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6689         TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6690         TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6691         TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6692         TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6693         TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6694         TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6695         TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6696         TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6697         TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6698
6699         TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6700         TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6701         TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6702         TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6703         TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6704         TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6705         TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6706         TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6707         TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6708         TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6709         TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6710         TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6711         TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6712         TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
6713
6714         TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6715         TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6716         TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
6717 }
6718
6719 static void tg3_timer(unsigned long __opaque)
6720 {
6721         struct tg3 *tp = (struct tg3 *) __opaque;
6722
6723         if (tp->irq_sync)
6724                 goto restart_timer;
6725
6726         spin_lock(&tp->lock);
6727
6728         if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6729                 /* All of this garbage is because when using non-tagged
6730                  * IRQ status the mailbox/status_block protocol the chip
6731                  * uses with the cpu is race prone.
6732                  */
6733                 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6734                         tw32(GRC_LOCAL_CTRL,
6735                              tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6736                 } else {
6737                         tw32(HOSTCC_MODE, tp->coalesce_mode |
6738                              (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6739                 }
6740
6741                 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6742                         tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
6743                         spin_unlock(&tp->lock);
6744                         schedule_work(&tp->reset_task);
6745                         return;
6746                 }
6747         }
6748
6749         /* This part only runs once per second. */
6750         if (!--tp->timer_counter) {
6751                 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6752                         tg3_periodic_fetch_stats(tp);
6753
6754                 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6755                         u32 mac_stat;
6756                         int phy_event;
6757
6758                         mac_stat = tr32(MAC_STATUS);
6759
6760                         phy_event = 0;
6761                         if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6762                                 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6763                                         phy_event = 1;
6764                         } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6765                                 phy_event = 1;
6766
6767                         if (phy_event)
6768                                 tg3_setup_phy(tp, 0);
6769                 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6770                         u32 mac_stat = tr32(MAC_STATUS);
6771                         int need_setup = 0;
6772
6773                         if (netif_carrier_ok(tp->dev) &&
6774                             (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6775                                 need_setup = 1;
6776                         }
6777                         if (! netif_carrier_ok(tp->dev) &&
6778                             (mac_stat & (MAC_STATUS_PCS_SYNCED |
6779                                          MAC_STATUS_SIGNAL_DET))) {
6780                                 need_setup = 1;
6781                         }
6782                         if (need_setup) {
6783                                 if (!tp->serdes_counter) {
6784                                         tw32_f(MAC_MODE,
6785                                              (tp->mac_mode &
6786                                               ~MAC_MODE_PORT_MODE_MASK));
6787                                         udelay(40);
6788                                         tw32_f(MAC_MODE, tp->mac_mode);
6789                                         udelay(40);
6790                                 }
6791                                 tg3_setup_phy(tp, 0);
6792                         }
6793                 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6794                         tg3_serdes_parallel_detect(tp);
6795
6796                 tp->timer_counter = tp->timer_multiplier;
6797         }
6798
6799         /* Heartbeat is only sent once every 2 seconds.
6800          *
6801          * The heartbeat is to tell the ASF firmware that the host
6802          * driver is still alive.  In the event that the OS crashes,
6803          * ASF needs to reset the hardware to free up the FIFO space
6804          * that may be filled with rx packets destined for the host.
6805          * If the FIFO is full, ASF will no longer function properly.
6806          *
6807          * Unintended resets have been reported on real time kernels
6808          * where the timer doesn't run on time.  Netpoll will also have
6809          * same problem.
6810          *
6811          * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6812          * to check the ring condition when the heartbeat is expiring
6813          * before doing the reset.  This will prevent most unintended
6814          * resets.
6815          */
6816         if (!--tp->asf_counter) {
6817                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6818                         u32 val;
6819
6820                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
6821                                       FWCMD_NICDRV_ALIVE3);
6822                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
6823                         /* 5 seconds timeout */
6824                         tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
6825                         val = tr32(GRC_RX_CPU_EVENT);
6826                         val |= (1 << 14);
6827                         tw32(GRC_RX_CPU_EVENT, val);
6828                 }
6829                 tp->asf_counter = tp->asf_multiplier;
6830         }
6831
6832         spin_unlock(&tp->lock);
6833
6834 restart_timer:
6835         tp->timer.expires = jiffies + tp->timer_offset;
6836         add_timer(&tp->timer);
6837 }
6838
6839 static int tg3_request_irq(struct tg3 *tp)
6840 {
6841         irqreturn_t (*fn)(int, void *, struct pt_regs *);
6842         unsigned long flags;
6843         struct net_device *dev = tp->dev;
6844
6845         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6846                 fn = tg3_msi;
6847                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6848                         fn = tg3_msi_1shot;
6849                 flags = IRQF_SAMPLE_RANDOM;
6850         } else {
6851                 fn = tg3_interrupt;
6852                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6853                         fn = tg3_interrupt_tagged;
6854                 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
6855         }
6856         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6857 }
6858
6859 static int tg3_test_interrupt(struct tg3 *tp)
6860 {
6861         struct net_device *dev = tp->dev;
6862         int err, i, intr_ok = 0;
6863
6864         if (!netif_running(dev))
6865                 return -ENODEV;
6866
6867         tg3_disable_ints(tp);
6868
6869         free_irq(tp->pdev->irq, dev);
6870
6871         err = request_irq(tp->pdev->irq, tg3_test_isr,
6872                           IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
6873         if (err)
6874                 return err;
6875
6876         tp->hw_status->status &= ~SD_STATUS_UPDATED;
6877         tg3_enable_ints(tp);
6878
6879         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6880                HOSTCC_MODE_NOW);
6881
6882         for (i = 0; i < 5; i++) {
6883                 u32 int_mbox, misc_host_ctrl;
6884
6885                 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6886                                         TG3_64BIT_REG_LOW);
6887                 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6888
6889                 if ((int_mbox != 0) ||
6890                     (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
6891                         intr_ok = 1;
6892                         break;
6893                 }
6894
6895                 msleep(10);
6896         }
6897
6898         tg3_disable_ints(tp);
6899
6900         free_irq(tp->pdev->irq, dev);
6901
6902         err = tg3_request_irq(tp);
6903
6904         if (err)
6905                 return err;
6906
6907         if (intr_ok)
6908                 return 0;
6909
6910         return -EIO;
6911 }
6912
6913 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
6914  * successfully restored
6915  */
6916 static int tg3_test_msi(struct tg3 *tp)
6917 {
6918         struct net_device *dev = tp->dev;
6919         int err;
6920         u16 pci_cmd;
6921
6922         if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
6923                 return 0;
6924
6925         /* Turn off SERR reporting in case MSI terminates with Master
6926          * Abort.
6927          */
6928         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
6929         pci_write_config_word(tp->pdev, PCI_COMMAND,
6930                               pci_cmd & ~PCI_COMMAND_SERR);
6931
6932         err = tg3_test_interrupt(tp);
6933
6934         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
6935
6936         if (!err)
6937                 return 0;
6938
6939         /* other failures */
6940         if (err != -EIO)
6941                 return err;
6942
6943         /* MSI test failed, go back to INTx mode */
6944         printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
6945                "switching to INTx mode. Please report this failure to "
6946                "the PCI maintainer and include system chipset information.\n",
6947                        tp->dev->name);
6948
6949         free_irq(tp->pdev->irq, dev);
6950         pci_disable_msi(tp->pdev);
6951
6952         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
6953
6954         err = tg3_request_irq(tp);
6955         if (err)
6956                 return err;
6957
6958         /* Need to reset the chip because the MSI cycle may have terminated
6959          * with Master Abort.
6960          */
6961         tg3_full_lock(tp, 1);
6962
6963         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6964         err = tg3_init_hw(tp, 1);
6965
6966         tg3_full_unlock(tp);
6967
6968         if (err)
6969                 free_irq(tp->pdev->irq, dev);
6970
6971         return err;
6972 }
6973
6974 static int tg3_open(struct net_device *dev)
6975 {
6976         struct tg3 *tp = netdev_priv(dev);
6977         int err;
6978
6979         tg3_full_lock(tp, 0);
6980
6981         err = tg3_set_power_state(tp, PCI_D0);
6982         if (err)
6983                 return err;
6984
6985         tg3_disable_ints(tp);
6986         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
6987
6988         tg3_full_unlock(tp);
6989
6990         /* The placement of this call is tied
6991          * to the setup and use of Host TX descriptors.
6992          */
6993         err = tg3_alloc_consistent(tp);
6994         if (err)
6995                 return err;
6996
6997         if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
6998             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
6999             (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
7000             !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
7001               (tp->pdev_peer == tp->pdev))) {
7002                 /* All MSI supporting chips should support tagged
7003                  * status.  Assert that this is the case.
7004                  */
7005                 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7006                         printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7007                                "Not using MSI.\n", tp->dev->name);
7008                 } else if (pci_enable_msi(tp->pdev) == 0) {
7009                         u32 msi_mode;
7010
7011                         msi_mode = tr32(MSGINT_MODE);
7012                         tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7013                         tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7014                 }
7015         }
7016         err = tg3_request_irq(tp);
7017
7018         if (err) {
7019                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7020                         pci_disable_msi(tp->pdev);
7021                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7022                 }
7023                 tg3_free_consistent(tp);
7024                 return err;
7025         }
7026
7027         tg3_full_lock(tp, 0);
7028
7029         err = tg3_init_hw(tp, 1);
7030         if (err) {
7031                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7032                 tg3_free_rings(tp);
7033         } else {
7034                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7035                         tp->timer_offset = HZ;
7036                 else
7037                         tp->timer_offset = HZ / 10;
7038
7039                 BUG_ON(tp->timer_offset > HZ);
7040                 tp->timer_counter = tp->timer_multiplier =
7041                         (HZ / tp->timer_offset);
7042                 tp->asf_counter = tp->asf_multiplier =
7043                         ((HZ / tp->timer_offset) * 2);
7044
7045                 init_timer(&tp->timer);
7046                 tp->timer.expires = jiffies + tp->timer_offset;
7047                 tp->timer.data = (unsigned long) tp;
7048                 tp->timer.function = tg3_timer;
7049         }
7050
7051         tg3_full_unlock(tp);
7052
7053         if (err) {
7054                 free_irq(tp->pdev->irq, dev);
7055                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7056                         pci_disable_msi(tp->pdev);
7057                         tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7058                 }
7059                 tg3_free_consistent(tp);
7060                 return err;
7061         }
7062
7063         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7064                 err = tg3_test_msi(tp);
7065
7066                 if (err) {
7067                         tg3_full_lock(tp, 0);
7068
7069                         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7070                                 pci_disable_msi(tp->pdev);
7071                                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7072                         }
7073                         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7074                         tg3_free_rings(tp);
7075                         tg3_free_consistent(tp);
7076
7077                         tg3_full_unlock(tp);
7078
7079                         return err;
7080                 }
7081
7082                 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7083                         if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7084                                 u32 val = tr32(PCIE_TRANSACTION_CFG);
7085
7086                                 tw32(PCIE_TRANSACTION_CFG,
7087                                      val | PCIE_TRANS_CFG_1SHOT_MSI);
7088                         }
7089                 }
7090         }
7091
7092         tg3_full_lock(tp, 0);
7093
7094         add_timer(&tp->timer);
7095         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7096         tg3_enable_ints(tp);
7097
7098         tg3_full_unlock(tp);
7099
7100         netif_start_queue(dev);
7101
7102         return 0;
7103 }
7104
7105 #if 0
7106 /*static*/ void tg3_dump_state(struct tg3 *tp)
7107 {
7108         u32 val32, val32_2, val32_3, val32_4, val32_5;
7109         u16 val16;
7110         int i;
7111
7112         pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7113         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7114         printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7115                val16, val32);
7116
7117         /* MAC block */
7118         printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7119                tr32(MAC_MODE), tr32(MAC_STATUS));
7120         printk("       MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7121                tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7122         printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7123                tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7124         printk("       MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7125                tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7126
7127         /* Send data initiator control block */
7128         printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7129                tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7130         printk("       SNDDATAI_STATSCTRL[%08x]\n",
7131                tr32(SNDDATAI_STATSCTRL));
7132
7133         /* Send data completion control block */
7134         printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7135
7136         /* Send BD ring selector block */
7137         printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7138                tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7139
7140         /* Send BD initiator control block */
7141         printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7142                tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7143
7144         /* Send BD completion control block */
7145         printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7146
7147         /* Receive list placement control block */
7148         printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7149                tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7150         printk("       RCVLPC_STATSCTRL[%08x]\n",
7151                tr32(RCVLPC_STATSCTRL));
7152
7153         /* Receive data and receive BD initiator control block */
7154         printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7155                tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7156
7157         /* Receive data completion control block */
7158         printk("DEBUG: RCVDCC_MODE[%08x]\n",
7159                tr32(RCVDCC_MODE));
7160
7161         /* Receive BD initiator control block */
7162         printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7163                tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7164
7165         /* Receive BD completion control block */
7166         printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7167                tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7168
7169         /* Receive list selector control block */
7170         printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7171                tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7172
7173         /* Mbuf cluster free block */
7174         printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7175                tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7176
7177         /* Host coalescing control block */
7178         printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7179                tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7180         printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7181                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7182                tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7183         printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7184                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7185                tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7186         printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7187                tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7188         printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7189                tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7190
7191         /* Memory arbiter control block */
7192         printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7193                tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7194
7195         /* Buffer manager control block */
7196         printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7197                tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7198         printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7199                tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7200         printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7201                "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7202                tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7203                tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7204
7205         /* Read DMA control block */
7206         printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7207                tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7208
7209         /* Write DMA control block */
7210         printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7211                tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7212
7213         /* DMA completion block */
7214         printk("DEBUG: DMAC_MODE[%08x]\n",
7215                tr32(DMAC_MODE));
7216
7217         /* GRC block */
7218         printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7219                tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7220         printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7221                tr32(GRC_LOCAL_CTRL));
7222
7223         /* TG3_BDINFOs */
7224         printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7225                tr32(RCVDBDI_JUMBO_BD + 0x0),
7226                tr32(RCVDBDI_JUMBO_BD + 0x4),
7227                tr32(RCVDBDI_JUMBO_BD + 0x8),
7228                tr32(RCVDBDI_JUMBO_BD + 0xc));
7229         printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7230                tr32(RCVDBDI_STD_BD + 0x0),
7231                tr32(RCVDBDI_STD_BD + 0x4),
7232                tr32(RCVDBDI_STD_BD + 0x8),
7233                tr32(RCVDBDI_STD_BD + 0xc));
7234         printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7235                tr32(RCVDBDI_MINI_BD + 0x0),
7236                tr32(RCVDBDI_MINI_BD + 0x4),
7237                tr32(RCVDBDI_MINI_BD + 0x8),
7238                tr32(RCVDBDI_MINI_BD + 0xc));
7239
7240         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7241         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7242         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7243         tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7244         printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7245                val32, val32_2, val32_3, val32_4);
7246
7247         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7248         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7249         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7250         tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7251         printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7252                val32, val32_2, val32_3, val32_4);
7253
7254         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7255         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7256         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7257         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7258         tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7259         printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7260                val32, val32_2, val32_3, val32_4, val32_5);
7261
7262         /* SW status block */
7263         printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7264                tp->hw_status->status,
7265                tp->hw_status->status_tag,
7266                tp->hw_status->rx_jumbo_consumer,
7267                tp->hw_status->rx_consumer,
7268                tp->hw_status->rx_mini_consumer,
7269                tp->hw_status->idx[0].rx_producer,
7270                tp->hw_status->idx[0].tx_consumer);
7271
7272         /* SW statistics block */
7273         printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7274                ((u32 *)tp->hw_stats)[0],
7275                ((u32 *)tp->hw_stats)[1],
7276                ((u32 *)tp->hw_stats)[2],
7277                ((u32 *)tp->hw_stats)[3]);
7278
7279         /* Mailboxes */
7280         printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
7281                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7282                tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7283                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7284                tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
7285
7286         /* NIC side send descriptors. */
7287         for (i = 0; i < 6; i++) {
7288                 unsigned long txd;
7289
7290                 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7291                         + (i * sizeof(struct tg3_tx_buffer_desc));
7292                 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7293                        i,
7294                        readl(txd + 0x0), readl(txd + 0x4),
7295                        readl(txd + 0x8), readl(txd + 0xc));
7296         }
7297
7298         /* NIC side RX descriptors. */
7299         for (i = 0; i < 6; i++) {
7300                 unsigned long rxd;
7301
7302                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7303                         + (i * sizeof(struct tg3_rx_buffer_desc));
7304                 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7305                        i,
7306                        readl(rxd + 0x0), readl(rxd + 0x4),
7307                        readl(rxd + 0x8), readl(rxd + 0xc));
7308                 rxd += (4 * sizeof(u32));
7309                 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7310                        i,
7311                        readl(rxd + 0x0), readl(rxd + 0x4),
7312                        readl(rxd + 0x8), readl(rxd + 0xc));
7313         }
7314
7315         for (i = 0; i < 6; i++) {
7316                 unsigned long rxd;
7317
7318                 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7319                         + (i * sizeof(struct tg3_rx_buffer_desc));
7320                 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7321                        i,
7322                        readl(rxd + 0x0), readl(rxd + 0x4),
7323                        readl(rxd + 0x8), readl(rxd + 0xc));
7324                 rxd += (4 * sizeof(u32));
7325                 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7326                        i,
7327                        readl(rxd + 0x0), readl(rxd + 0x4),
7328                        readl(rxd + 0x8), readl(rxd + 0xc));
7329         }
7330 }
7331 #endif
7332
7333 static struct net_device_stats *tg3_get_stats(struct net_device *);
7334 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7335
7336 static int tg3_close(struct net_device *dev)
7337 {
7338         struct tg3 *tp = netdev_priv(dev);
7339
7340         /* Calling flush_scheduled_work() may deadlock because
7341          * linkwatch_event() may be on the workqueue and it will try to get
7342          * the rtnl_lock which we are holding.
7343          */
7344         while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
7345                 msleep(1);
7346
7347         netif_stop_queue(dev);
7348
7349         del_timer_sync(&tp->timer);
7350
7351         tg3_full_lock(tp, 1);
7352 #if 0
7353         tg3_dump_state(tp);
7354 #endif
7355
7356         tg3_disable_ints(tp);
7357
7358         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7359         tg3_free_rings(tp);
7360         tp->tg3_flags &=
7361                 ~(TG3_FLAG_INIT_COMPLETE |
7362                   TG3_FLAG_GOT_SERDES_FLOWCTL);
7363
7364         tg3_full_unlock(tp);
7365
7366         free_irq(tp->pdev->irq, dev);
7367         if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7368                 pci_disable_msi(tp->pdev);
7369                 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7370         }
7371
7372         memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7373                sizeof(tp->net_stats_prev));
7374         memcpy(&tp->estats_prev, tg3_get_estats(tp),
7375                sizeof(tp->estats_prev));
7376
7377         tg3_free_consistent(tp);
7378
7379         tg3_set_power_state(tp, PCI_D3hot);
7380
7381         netif_carrier_off(tp->dev);
7382
7383         return 0;
7384 }
7385
7386 static inline unsigned long get_stat64(tg3_stat64_t *val)
7387 {
7388         unsigned long ret;
7389
7390 #if (BITS_PER_LONG == 32)
7391         ret = val->low;
7392 #else
7393         ret = ((u64)val->high << 32) | ((u64)val->low);
7394 #endif
7395         return ret;
7396 }
7397
7398 static unsigned long calc_crc_errors(struct tg3 *tp)
7399 {
7400         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7401
7402         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7403             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7404              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
7405                 u32 val;
7406
7407                 spin_lock_bh(&tp->lock);
7408                 if (!tg3_readphy(tp, 0x1e, &val)) {
7409                         tg3_writephy(tp, 0x1e, val | 0x8000);
7410                         tg3_readphy(tp, 0x14, &val);
7411                 } else
7412                         val = 0;
7413                 spin_unlock_bh(&tp->lock);
7414
7415                 tp->phy_crc_errors += val;
7416
7417                 return tp->phy_crc_errors;
7418         }
7419
7420         return get_stat64(&hw_stats->rx_fcs_errors);
7421 }
7422
7423 #define ESTAT_ADD(member) \
7424         estats->member =        old_estats->member + \
7425                                 get_stat64(&hw_stats->member)
7426
7427 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7428 {
7429         struct tg3_ethtool_stats *estats = &tp->estats;
7430         struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7431         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7432
7433         if (!hw_stats)
7434                 return old_estats;
7435
7436         ESTAT_ADD(rx_octets);
7437         ESTAT_ADD(rx_fragments);
7438         ESTAT_ADD(rx_ucast_packets);
7439         ESTAT_ADD(rx_mcast_packets);
7440         ESTAT_ADD(rx_bcast_packets);
7441         ESTAT_ADD(rx_fcs_errors);
7442         ESTAT_ADD(rx_align_errors);
7443         ESTAT_ADD(rx_xon_pause_rcvd);
7444         ESTAT_ADD(rx_xoff_pause_rcvd);
7445         ESTAT_ADD(rx_mac_ctrl_rcvd);
7446         ESTAT_ADD(rx_xoff_entered);
7447         ESTAT_ADD(rx_frame_too_long_errors);
7448         ESTAT_ADD(rx_jabbers);
7449         ESTAT_ADD(rx_undersize_packets);
7450         ESTAT_ADD(rx_in_length_errors);
7451         ESTAT_ADD(rx_out_length_errors);
7452         ESTAT_ADD(rx_64_or_less_octet_packets);
7453         ESTAT_ADD(rx_65_to_127_octet_packets);
7454         ESTAT_ADD(rx_128_to_255_octet_packets);
7455         ESTAT_ADD(rx_256_to_511_octet_packets);
7456         ESTAT_ADD(rx_512_to_1023_octet_packets);
7457         ESTAT_ADD(rx_1024_to_1522_octet_packets);
7458         ESTAT_ADD(rx_1523_to_2047_octet_packets);
7459         ESTAT_ADD(rx_2048_to_4095_octet_packets);
7460         ESTAT_ADD(rx_4096_to_8191_octet_packets);
7461         ESTAT_ADD(rx_8192_to_9022_octet_packets);
7462
7463         ESTAT_ADD(tx_octets);
7464         ESTAT_ADD(tx_collisions);
7465         ESTAT_ADD(tx_xon_sent);
7466         ESTAT_ADD(tx_xoff_sent);
7467         ESTAT_ADD(tx_flow_control);
7468         ESTAT_ADD(tx_mac_errors);
7469         ESTAT_ADD(tx_single_collisions);
7470         ESTAT_ADD(tx_mult_collisions);
7471         ESTAT_ADD(tx_deferred);
7472         ESTAT_ADD(tx_excessive_collisions);
7473         ESTAT_ADD(tx_late_collisions);
7474         ESTAT_ADD(tx_collide_2times);
7475         ESTAT_ADD(tx_collide_3times);
7476         ESTAT_ADD(tx_collide_4times);
7477         ESTAT_ADD(tx_collide_5times);
7478         ESTAT_ADD(tx_collide_6times);
7479         ESTAT_ADD(tx_collide_7times);
7480         ESTAT_ADD(tx_collide_8times);
7481         ESTAT_ADD(tx_collide_9times);
7482         ESTAT_ADD(tx_collide_10times);
7483         ESTAT_ADD(tx_collide_11times);
7484         ESTAT_ADD(tx_collide_12times);
7485         ESTAT_ADD(tx_collide_13times);
7486         ESTAT_ADD(tx_collide_14times);
7487         ESTAT_ADD(tx_collide_15times);
7488         ESTAT_ADD(tx_ucast_packets);
7489         ESTAT_ADD(tx_mcast_packets);
7490         ESTAT_ADD(tx_bcast_packets);
7491         ESTAT_ADD(tx_carrier_sense_errors);
7492         ESTAT_ADD(tx_discards);
7493         ESTAT_ADD(tx_errors);
7494
7495         ESTAT_ADD(dma_writeq_full);
7496         ESTAT_ADD(dma_write_prioq_full);
7497         ESTAT_ADD(rxbds_empty);
7498         ESTAT_ADD(rx_discards);
7499         ESTAT_ADD(rx_errors);
7500         ESTAT_ADD(rx_threshold_hit);
7501
7502         ESTAT_ADD(dma_readq_full);
7503         ESTAT_ADD(dma_read_prioq_full);
7504         ESTAT_ADD(tx_comp_queue_full);
7505
7506         ESTAT_ADD(ring_set_send_prod_index);
7507         ESTAT_ADD(ring_status_update);
7508         ESTAT_ADD(nic_irqs);
7509         ESTAT_ADD(nic_avoided_irqs);
7510         ESTAT_ADD(nic_tx_threshold_hit);
7511
7512         return estats;
7513 }
7514
7515 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7516 {
7517         struct tg3 *tp = netdev_priv(dev);
7518         struct net_device_stats *stats = &tp->net_stats;
7519         struct net_device_stats *old_stats = &tp->net_stats_prev;
7520         struct tg3_hw_stats *hw_stats = tp->hw_stats;
7521
7522         if (!hw_stats)
7523                 return old_stats;
7524
7525         stats->rx_packets = old_stats->rx_packets +
7526                 get_stat64(&hw_stats->rx_ucast_packets) +
7527                 get_stat64(&hw_stats->rx_mcast_packets) +
7528                 get_stat64(&hw_stats->rx_bcast_packets);
7529
7530         stats->tx_packets = old_stats->tx_packets +
7531                 get_stat64(&hw_stats->tx_ucast_packets) +
7532                 get_stat64(&hw_stats->tx_mcast_packets) +
7533                 get_stat64(&hw_stats->tx_bcast_packets);
7534
7535         stats->rx_bytes = old_stats->rx_bytes +
7536                 get_stat64(&hw_stats->rx_octets);
7537         stats->tx_bytes = old_stats->tx_bytes +
7538                 get_stat64(&hw_stats->tx_octets);
7539
7540         stats->rx_errors = old_stats->rx_errors +
7541                 get_stat64(&hw_stats->rx_errors);
7542         stats->tx_errors = old_stats->tx_errors +
7543                 get_stat64(&hw_stats->tx_errors) +
7544                 get_stat64(&hw_stats->tx_mac_errors) +
7545                 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7546                 get_stat64(&hw_stats->tx_discards);
7547
7548         stats->multicast = old_stats->multicast +
7549                 get_stat64(&hw_stats->rx_mcast_packets);
7550         stats->collisions = old_stats->collisions +
7551                 get_stat64(&hw_stats->tx_collisions);
7552
7553         stats->rx_length_errors = old_stats->rx_length_errors +
7554                 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7555                 get_stat64(&hw_stats->rx_undersize_packets);
7556
7557         stats->rx_over_errors = old_stats->rx_over_errors +
7558                 get_stat64(&hw_stats->rxbds_empty);
7559         stats->rx_frame_errors = old_stats->rx_frame_errors +
7560                 get_stat64(&hw_stats->rx_align_errors);
7561         stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7562                 get_stat64(&hw_stats->tx_discards);
7563         stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7564                 get_stat64(&hw_stats->tx_carrier_sense_errors);
7565
7566         stats->rx_crc_errors = old_stats->rx_crc_errors +
7567                 calc_crc_errors(tp);
7568
7569         stats->rx_missed_errors = old_stats->rx_missed_errors +
7570                 get_stat64(&hw_stats->rx_discards);
7571
7572         return stats;
7573 }
7574
7575 static inline u32 calc_crc(unsigned char *buf, int len)
7576 {
7577         u32 reg;
7578         u32 tmp;
7579         int j, k;
7580
7581         reg = 0xffffffff;
7582
7583         for (j = 0; j < len; j++) {
7584                 reg ^= buf[j];
7585
7586                 for (k = 0; k < 8; k++) {
7587                         tmp = reg & 0x01;
7588
7589                         reg >>= 1;
7590
7591                         if (tmp) {
7592                                 reg ^= 0xedb88320;
7593                         }
7594                 }
7595         }
7596
7597         return ~reg;
7598 }
7599
7600 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7601 {
7602         /* accept or reject all multicast frames */
7603         tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7604         tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7605         tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7606         tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7607 }
7608
7609 static void __tg3_set_rx_mode(struct net_device *dev)
7610 {
7611         struct tg3 *tp = netdev_priv(dev);
7612         u32 rx_mode;
7613
7614         rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7615                                   RX_MODE_KEEP_VLAN_TAG);
7616
7617         /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7618          * flag clear.
7619          */
7620 #if TG3_VLAN_TAG_USED
7621         if (!tp->vlgrp &&
7622             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7623                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7624 #else
7625         /* By definition, VLAN is disabled always in this
7626          * case.
7627          */
7628         if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7629                 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7630 #endif
7631
7632         if (dev->flags & IFF_PROMISC) {
7633                 /* Promiscuous mode. */
7634                 rx_mode |= RX_MODE_PROMISC;
7635         } else if (dev->flags & IFF_ALLMULTI) {
7636                 /* Accept all multicast. */
7637                 tg3_set_multi (tp, 1);
7638         } else if (dev->mc_count < 1) {
7639                 /* Reject all multicast. */
7640                 tg3_set_multi (tp, 0);
7641         } else {
7642                 /* Accept one or more multicast(s). */
7643                 struct dev_mc_list *mclist;
7644                 unsigned int i;
7645                 u32 mc_filter[4] = { 0, };
7646                 u32 regidx;
7647                 u32 bit;
7648                 u32 crc;
7649
7650                 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7651                      i++, mclist = mclist->next) {
7652
7653                         crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7654                         bit = ~crc & 0x7f;
7655                         regidx = (bit & 0x60) >> 5;
7656                         bit &= 0x1f;
7657                         mc_filter[regidx] |= (1 << bit);
7658                 }
7659
7660                 tw32(MAC_HASH_REG_0, mc_filter[0]);
7661                 tw32(MAC_HASH_REG_1, mc_filter[1]);
7662                 tw32(MAC_HASH_REG_2, mc_filter[2]);
7663                 tw32(MAC_HASH_REG_3, mc_filter[3]);
7664         }
7665
7666         if (rx_mode != tp->rx_mode) {
7667                 tp->rx_mode = rx_mode;
7668                 tw32_f(MAC_RX_MODE, rx_mode);
7669                 udelay(10);
7670         }
7671 }
7672
7673 static void tg3_set_rx_mode(struct net_device *dev)
7674 {
7675         struct tg3 *tp = netdev_priv(dev);
7676
7677         if (!netif_running(dev))
7678                 return;
7679
7680         tg3_full_lock(tp, 0);
7681         __tg3_set_rx_mode(dev);
7682         tg3_full_unlock(tp);
7683 }
7684
7685 #define TG3_REGDUMP_LEN         (32 * 1024)
7686
7687 static int tg3_get_regs_len(struct net_device *dev)
7688 {
7689         return TG3_REGDUMP_LEN;
7690 }
7691
7692 static void tg3_get_regs(struct net_device *dev,
7693                 struct ethtool_regs *regs, void *_p)
7694 {
7695         u32 *p = _p;
7696         struct tg3 *tp = netdev_priv(dev);
7697         u8 *orig_p = _p;
7698         int i;
7699
7700         regs->version = 0;
7701
7702         memset(p, 0, TG3_REGDUMP_LEN);
7703
7704         if (tp->link_config.phy_is_low_power)
7705                 return;
7706
7707         tg3_full_lock(tp, 0);
7708
7709 #define __GET_REG32(reg)        (*(p)++ = tr32(reg))
7710 #define GET_REG32_LOOP(base,len)                \
7711 do {    p = (u32 *)(orig_p + (base));           \
7712         for (i = 0; i < len; i += 4)            \
7713                 __GET_REG32((base) + i);        \
7714 } while (0)
7715 #define GET_REG32_1(reg)                        \
7716 do {    p = (u32 *)(orig_p + (reg));            \
7717         __GET_REG32((reg));                     \
7718 } while (0)
7719
7720         GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7721         GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7722         GET_REG32_LOOP(MAC_MODE, 0x4f0);
7723         GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7724         GET_REG32_1(SNDDATAC_MODE);
7725         GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7726         GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7727         GET_REG32_1(SNDBDC_MODE);
7728         GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7729         GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7730         GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7731         GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7732         GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7733         GET_REG32_1(RCVDCC_MODE);
7734         GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7735         GET_REG32_LOOP(RCVCC_MODE, 0x14);
7736         GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7737         GET_REG32_1(MBFREE_MODE);
7738         GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7739         GET_REG32_LOOP(MEMARB_MODE, 0x10);
7740         GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7741         GET_REG32_LOOP(RDMAC_MODE, 0x08);
7742         GET_REG32_LOOP(WDMAC_MODE, 0x08);
7743         GET_REG32_1(RX_CPU_MODE);
7744         GET_REG32_1(RX_CPU_STATE);
7745         GET_REG32_1(RX_CPU_PGMCTR);
7746         GET_REG32_1(RX_CPU_HWBKPT);
7747         GET_REG32_1(TX_CPU_MODE);
7748         GET_REG32_1(TX_CPU_STATE);
7749         GET_REG32_1(TX_CPU_PGMCTR);
7750         GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7751         GET_REG32_LOOP(FTQ_RESET, 0x120);
7752         GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7753         GET_REG32_1(DMAC_MODE);
7754         GET_REG32_LOOP(GRC_MODE, 0x4c);
7755         if (tp->tg3_flags & TG3_FLAG_NVRAM)
7756                 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7757
7758 #undef __GET_REG32
7759 #undef GET_REG32_LOOP
7760 #undef GET_REG32_1
7761
7762         tg3_full_unlock(tp);
7763 }
7764
7765 static int tg3_get_eeprom_len(struct net_device *dev)
7766 {
7767         struct tg3 *tp = netdev_priv(dev);
7768
7769         return tp->nvram_size;
7770 }
7771
7772 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
7773 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
7774
7775 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7776 {
7777         struct tg3 *tp = netdev_priv(dev);
7778         int ret;
7779         u8  *pd;
7780         u32 i, offset, len, val, b_offset, b_count;
7781
7782         if (tp->link_config.phy_is_low_power)
7783                 return -EAGAIN;
7784
7785         offset = eeprom->offset;
7786         len = eeprom->len;
7787         eeprom->len = 0;
7788
7789         eeprom->magic = TG3_EEPROM_MAGIC;
7790
7791         if (offset & 3) {
7792                 /* adjustments to start on required 4 byte boundary */
7793                 b_offset = offset & 3;
7794                 b_count = 4 - b_offset;
7795                 if (b_count > len) {
7796                         /* i.e. offset=1 len=2 */
7797                         b_count = len;
7798                 }
7799                 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7800                 if (ret)
7801                         return ret;
7802                 val = cpu_to_le32(val);
7803                 memcpy(data, ((char*)&val) + b_offset, b_count);
7804                 len -= b_count;
7805                 offset += b_count;
7806                 eeprom->len += b_count;
7807         }
7808
7809         /* read bytes upto the last 4 byte boundary */
7810         pd = &data[eeprom->len];
7811         for (i = 0; i < (len - (len & 3)); i += 4) {
7812                 ret = tg3_nvram_read(tp, offset + i, &val);
7813                 if (ret) {
7814                         eeprom->len += i;
7815                         return ret;
7816                 }
7817                 val = cpu_to_le32(val);
7818                 memcpy(pd + i, &val, 4);
7819         }
7820         eeprom->len += i;
7821
7822         if (len & 3) {
7823                 /* read last bytes not ending on 4 byte boundary */
7824                 pd = &data[eeprom->len];
7825                 b_count = len & 3;
7826                 b_offset = offset + len - b_count;
7827                 ret = tg3_nvram_read(tp, b_offset, &val);
7828                 if (ret)
7829                         return ret;
7830                 val = cpu_to_le32(val);
7831                 memcpy(pd, ((char*)&val), b_count);
7832                 eeprom->len += b_count;
7833         }
7834         return 0;
7835 }
7836
7837 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
7838
7839 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7840 {
7841         struct tg3 *tp = netdev_priv(dev);
7842         int ret;
7843         u32 offset, len, b_offset, odd_len, start, end;
7844         u8 *buf;
7845
7846         if (tp->link_config.phy_is_low_power)
7847                 return -EAGAIN;
7848
7849         if (eeprom->magic != TG3_EEPROM_MAGIC)
7850                 return -EINVAL;
7851
7852         offset = eeprom->offset;
7853         len = eeprom->len;
7854
7855         if ((b_offset = (offset & 3))) {
7856                 /* adjustments to start on required 4 byte boundary */
7857                 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7858                 if (ret)
7859                         return ret;
7860                 start = cpu_to_le32(start);
7861                 len += b_offset;
7862                 offset &= ~3;
7863                 if (len < 4)
7864                         len = 4;
7865         }
7866
7867         odd_len = 0;
7868         if (len & 3) {
7869                 /* adjustments to end on required 4 byte boundary */
7870                 odd_len = 1;
7871                 len = (len + 3) & ~3;
7872                 ret = tg3_nvram_read(tp, offset+len-4, &end);
7873                 if (ret)
7874                         return ret;
7875                 end = cpu_to_le32(end);
7876         }
7877
7878         buf = data;
7879         if (b_offset || odd_len) {
7880                 buf = kmalloc(len, GFP_KERNEL);
7881                 if (buf == 0)
7882                         return -ENOMEM;
7883                 if (b_offset)
7884                         memcpy(buf, &start, 4);
7885                 if (odd_len)
7886                         memcpy(buf+len-4, &end, 4);
7887                 memcpy(buf + b_offset, data, eeprom->len);
7888         }
7889
7890         ret = tg3_nvram_write_block(tp, offset, len, buf);
7891
7892         if (buf != data)
7893                 kfree(buf);
7894
7895         return ret;
7896 }
7897
7898 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7899 {
7900         struct tg3 *tp = netdev_priv(dev);
7901
7902         cmd->supported = (SUPPORTED_Autoneg);
7903
7904         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
7905                 cmd->supported |= (SUPPORTED_1000baseT_Half |
7906                                    SUPPORTED_1000baseT_Full);
7907
7908         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
7909                 cmd->supported |= (SUPPORTED_100baseT_Half |
7910                                   SUPPORTED_100baseT_Full |
7911                                   SUPPORTED_10baseT_Half |
7912                                   SUPPORTED_10baseT_Full |
7913                                   SUPPORTED_MII);
7914                 cmd->port = PORT_TP;
7915         } else {
7916                 cmd->supported |= SUPPORTED_FIBRE;
7917                 cmd->port = PORT_FIBRE;
7918         }
7919
7920         cmd->advertising = tp->link_config.advertising;
7921         if (netif_running(dev)) {
7922                 cmd->speed = tp->link_config.active_speed;
7923                 cmd->duplex = tp->link_config.active_duplex;
7924         }
7925         cmd->phy_address = PHY_ADDR;
7926         cmd->transceiver = 0;
7927         cmd->autoneg = tp->link_config.autoneg;
7928         cmd->maxtxpkt = 0;
7929         cmd->maxrxpkt = 0;
7930         return 0;
7931 }
7932
7933 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7934 {
7935         struct tg3 *tp = netdev_priv(dev);
7936
7937         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
7938                 /* These are the only valid advertisement bits allowed.  */
7939                 if (cmd->autoneg == AUTONEG_ENABLE &&
7940                     (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
7941                                           ADVERTISED_1000baseT_Full |
7942                                           ADVERTISED_Autoneg |
7943                                           ADVERTISED_FIBRE)))
7944                         return -EINVAL;
7945                 /* Fiber can only do SPEED_1000.  */
7946                 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7947                          (cmd->speed != SPEED_1000))
7948                         return -EINVAL;
7949         /* Copper cannot force SPEED_1000.  */
7950         } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
7951                    (cmd->speed == SPEED_1000))
7952                 return -EINVAL;
7953         else if ((cmd->speed == SPEED_1000) &&
7954                  (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
7955                 return -EINVAL;
7956
7957         tg3_full_lock(tp, 0);
7958
7959         tp->link_config.autoneg = cmd->autoneg;
7960         if (cmd->autoneg == AUTONEG_ENABLE) {
7961                 tp->link_config.advertising = cmd->advertising;
7962                 tp->link_config.speed = SPEED_INVALID;
7963                 tp->link_config.duplex = DUPLEX_INVALID;
7964         } else {
7965                 tp->link_config.advertising = 0;
7966                 tp->link_config.speed = cmd->speed;
7967                 tp->link_config.duplex = cmd->duplex;
7968         }
7969
7970         if (netif_running(dev))
7971                 tg3_setup_phy(tp, 1);
7972
7973         tg3_full_unlock(tp);
7974
7975         return 0;
7976 }
7977
7978 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
7979 {
7980         struct tg3 *tp = netdev_priv(dev);
7981
7982         strcpy(info->driver, DRV_MODULE_NAME);
7983         strcpy(info->version, DRV_MODULE_VERSION);
7984         strcpy(info->fw_version, tp->fw_ver);
7985         strcpy(info->bus_info, pci_name(tp->pdev));
7986 }
7987
7988 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7989 {
7990         struct tg3 *tp = netdev_priv(dev);
7991
7992         wol->supported = WAKE_MAGIC;
7993         wol->wolopts = 0;
7994         if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
7995                 wol->wolopts = WAKE_MAGIC;
7996         memset(&wol->sopass, 0, sizeof(wol->sopass));
7997 }
7998
7999 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8000 {
8001         struct tg3 *tp = netdev_priv(dev);
8002
8003         if (wol->wolopts & ~WAKE_MAGIC)
8004                 return -EINVAL;
8005         if ((wol->wolopts & WAKE_MAGIC) &&
8006             tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
8007             !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
8008                 return -EINVAL;
8009
8010         spin_lock_bh(&tp->lock);
8011         if (wol->wolopts & WAKE_MAGIC)
8012                 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8013         else
8014                 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8015         spin_unlock_bh(&tp->lock);
8016
8017         return 0;
8018 }
8019
8020 static u32 tg3_get_msglevel(struct net_device *dev)
8021 {
8022         struct tg3 *tp = netdev_priv(dev);
8023         return tp->msg_enable;
8024 }
8025
8026 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8027 {
8028         struct tg3 *tp = netdev_priv(dev);
8029         tp->msg_enable = value;
8030 }
8031
8032 #if TG3_TSO_SUPPORT != 0
8033 static int tg3_set_tso(struct net_device *dev, u32 value)
8034 {
8035         struct tg3 *tp = netdev_priv(dev);
8036
8037         if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8038                 if (value)
8039                         return -EINVAL;
8040                 return 0;
8041         }
8042         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8043             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
8044                 if (value)
8045                         dev->features |= NETIF_F_TSO6;
8046                 else
8047                         dev->features &= ~NETIF_F_TSO6;
8048         }
8049         return ethtool_op_set_tso(dev, value);
8050 }
8051 #endif
8052
8053 static int tg3_nway_reset(struct net_device *dev)
8054 {
8055         struct tg3 *tp = netdev_priv(dev);
8056         u32 bmcr;
8057         int r;
8058
8059         if (!netif_running(dev))
8060                 return -EAGAIN;
8061
8062         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8063                 return -EINVAL;
8064
8065         spin_lock_bh(&tp->lock);
8066         r = -EINVAL;
8067         tg3_readphy(tp, MII_BMCR, &bmcr);
8068         if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8069             ((bmcr & BMCR_ANENABLE) ||
8070              (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8071                 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8072                                            BMCR_ANENABLE);
8073                 r = 0;
8074         }
8075         spin_unlock_bh(&tp->lock);
8076
8077         return r;
8078 }
8079
8080 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8081 {
8082         struct tg3 *tp = netdev_priv(dev);
8083
8084         ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8085         ering->rx_mini_max_pending = 0;
8086         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8087                 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8088         else
8089                 ering->rx_jumbo_max_pending = 0;
8090
8091         ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8092
8093         ering->rx_pending = tp->rx_pending;
8094         ering->rx_mini_pending = 0;
8095         if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8096                 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8097         else
8098                 ering->rx_jumbo_pending = 0;
8099
8100         ering->tx_pending = tp->tx_pending;
8101 }
8102
8103 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8104 {
8105         struct tg3 *tp = netdev_priv(dev);
8106         int irq_sync = 0, err = 0;
8107
8108         if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8109             (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8110             (ering->tx_pending > TG3_TX_RING_SIZE - 1))
8111                 return -EINVAL;
8112
8113         if (netif_running(dev)) {
8114                 tg3_netif_stop(tp);
8115                 irq_sync = 1;
8116         }
8117
8118         tg3_full_lock(tp, irq_sync);
8119
8120         tp->rx_pending = ering->rx_pending;
8121
8122         if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8123             tp->rx_pending > 63)
8124                 tp->rx_pending = 63;
8125         tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8126         tp->tx_pending = ering->tx_pending;
8127
8128         if (netif_running(dev)) {
8129                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8130                 err = tg3_restart_hw(tp, 1);
8131                 if (!err)
8132                         tg3_netif_start(tp);
8133         }
8134
8135         tg3_full_unlock(tp);
8136
8137         return err;
8138 }
8139
8140 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8141 {
8142         struct tg3 *tp = netdev_priv(dev);
8143
8144         epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8145         epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8146         epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8147 }
8148
8149 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8150 {
8151         struct tg3 *tp = netdev_priv(dev);
8152         int irq_sync = 0, err = 0;
8153
8154         if (netif_running(dev)) {
8155                 tg3_netif_stop(tp);
8156                 irq_sync = 1;
8157         }
8158
8159         tg3_full_lock(tp, irq_sync);
8160
8161         if (epause->autoneg)
8162                 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8163         else
8164                 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8165         if (epause->rx_pause)
8166                 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8167         else
8168                 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8169         if (epause->tx_pause)
8170                 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8171         else
8172                 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8173
8174         if (netif_running(dev)) {
8175                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8176                 err = tg3_restart_hw(tp, 1);
8177                 if (!err)
8178                         tg3_netif_start(tp);
8179         }
8180
8181         tg3_full_unlock(tp);
8182
8183         return err;
8184 }
8185
8186 static u32 tg3_get_rx_csum(struct net_device *dev)
8187 {
8188         struct tg3 *tp = netdev_priv(dev);
8189         return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8190 }
8191
8192 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8193 {
8194         struct tg3 *tp = netdev_priv(dev);
8195
8196         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8197                 if (data != 0)
8198                         return -EINVAL;
8199                 return 0;
8200         }
8201
8202         spin_lock_bh(&tp->lock);
8203         if (data)
8204                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8205         else
8206                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
8207         spin_unlock_bh(&tp->lock);
8208
8209         return 0;
8210 }
8211
8212 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8213 {
8214         struct tg3 *tp = netdev_priv(dev);
8215
8216         if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8217                 if (data != 0)
8218                         return -EINVAL;
8219                 return 0;
8220         }
8221
8222         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8223             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8224                 ethtool_op_set_tx_hw_csum(dev, data);
8225         else
8226                 ethtool_op_set_tx_csum(dev, data);
8227
8228         return 0;
8229 }
8230
8231 static int tg3_get_stats_count (struct net_device *dev)
8232 {
8233         return TG3_NUM_STATS;
8234 }
8235
8236 static int tg3_get_test_count (struct net_device *dev)
8237 {
8238         return TG3_NUM_TEST;
8239 }
8240
8241 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8242 {
8243         switch (stringset) {
8244         case ETH_SS_STATS:
8245                 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8246                 break;
8247         case ETH_SS_TEST:
8248                 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8249                 break;
8250         default:
8251                 WARN_ON(1);     /* we need a WARN() */
8252                 break;
8253         }
8254 }
8255
8256 static int tg3_phys_id(struct net_device *dev, u32 data)
8257 {
8258         struct tg3 *tp = netdev_priv(dev);
8259         int i;
8260
8261         if (!netif_running(tp->dev))
8262                 return -EAGAIN;
8263
8264         if (data == 0)
8265                 data = 2;
8266
8267         for (i = 0; i < (data * 2); i++) {
8268                 if ((i % 2) == 0)
8269                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8270                                            LED_CTRL_1000MBPS_ON |
8271                                            LED_CTRL_100MBPS_ON |
8272                                            LED_CTRL_10MBPS_ON |
8273                                            LED_CTRL_TRAFFIC_OVERRIDE |
8274                                            LED_CTRL_TRAFFIC_BLINK |
8275                                            LED_CTRL_TRAFFIC_LED);
8276
8277                 else
8278                         tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8279                                            LED_CTRL_TRAFFIC_OVERRIDE);
8280
8281                 if (msleep_interruptible(500))
8282                         break;
8283         }
8284         tw32(MAC_LED_CTRL, tp->led_ctrl);
8285         return 0;
8286 }
8287
8288 static void tg3_get_ethtool_stats (struct net_device *dev,
8289                                    struct ethtool_stats *estats, u64 *tmp_stats)
8290 {
8291         struct tg3 *tp = netdev_priv(dev);
8292         memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8293 }
8294
8295 #define NVRAM_TEST_SIZE 0x100
8296 #define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
8297 #define NVRAM_SELFBOOT_HW_SIZE 0x20
8298 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
8299
8300 static int tg3_test_nvram(struct tg3 *tp)
8301 {
8302         u32 *buf, csum, magic;
8303         int i, j, err = 0, size;
8304
8305         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
8306                 return -EIO;
8307
8308         if (magic == TG3_EEPROM_MAGIC)
8309                 size = NVRAM_TEST_SIZE;
8310         else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
8311                 if ((magic & 0xe00000) == 0x200000)
8312                         size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8313                 else
8314                         return 0;
8315         } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8316                 size = NVRAM_SELFBOOT_HW_SIZE;
8317         else
8318                 return -EIO;
8319
8320         buf = kmalloc(size, GFP_KERNEL);
8321         if (buf == NULL)
8322                 return -ENOMEM;
8323
8324         err = -EIO;
8325         for (i = 0, j = 0; i < size; i += 4, j++) {
8326                 u32 val;
8327
8328                 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8329                         break;
8330                 buf[j] = cpu_to_le32(val);
8331         }
8332         if (i < size)
8333                 goto out;
8334
8335         /* Selfboot format */
8336         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8337             TG3_EEPROM_MAGIC_FW) {
8338                 u8 *buf8 = (u8 *) buf, csum8 = 0;
8339
8340                 for (i = 0; i < size; i++)
8341                         csum8 += buf8[i];
8342
8343                 if (csum8 == 0) {
8344                         err = 0;
8345                         goto out;
8346                 }
8347
8348                 err = -EIO;
8349                 goto out;
8350         }
8351
8352         if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8353             TG3_EEPROM_MAGIC_HW) {
8354                 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8355                 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8356                 u8 *buf8 = (u8 *) buf;
8357                 int j, k;
8358
8359                 /* Separate the parity bits and the data bytes.  */
8360                 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8361                         if ((i == 0) || (i == 8)) {
8362                                 int l;
8363                                 u8 msk;
8364
8365                                 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8366                                         parity[k++] = buf8[i] & msk;
8367                                 i++;
8368                         }
8369                         else if (i == 16) {
8370                                 int l;
8371                                 u8 msk;
8372
8373                                 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8374                                         parity[k++] = buf8[i] & msk;
8375                                 i++;
8376
8377                                 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8378                                         parity[k++] = buf8[i] & msk;
8379                                 i++;
8380                         }
8381                         data[j++] = buf8[i];
8382                 }
8383
8384                 err = -EIO;
8385                 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8386                         u8 hw8 = hweight8(data[i]);
8387
8388                         if ((hw8 & 0x1) && parity[i])
8389                                 goto out;
8390                         else if (!(hw8 & 0x1) && !parity[i])
8391                                 goto out;
8392                 }
8393                 err = 0;
8394                 goto out;
8395         }
8396
8397         /* Bootstrap checksum at offset 0x10 */
8398         csum = calc_crc((unsigned char *) buf, 0x10);
8399         if(csum != cpu_to_le32(buf[0x10/4]))
8400                 goto out;
8401
8402         /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8403         csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8404         if (csum != cpu_to_le32(buf[0xfc/4]))
8405                  goto out;
8406
8407         err = 0;
8408
8409 out:
8410         kfree(buf);
8411         return err;
8412 }
8413
8414 #define TG3_SERDES_TIMEOUT_SEC  2
8415 #define TG3_COPPER_TIMEOUT_SEC  6
8416
8417 static int tg3_test_link(struct tg3 *tp)
8418 {
8419         int i, max;
8420
8421         if (!netif_running(tp->dev))
8422                 return -ENODEV;
8423
8424         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
8425                 max = TG3_SERDES_TIMEOUT_SEC;
8426         else
8427                 max = TG3_COPPER_TIMEOUT_SEC;
8428
8429         for (i = 0; i < max; i++) {
8430                 if (netif_carrier_ok(tp->dev))
8431                         return 0;
8432
8433                 if (msleep_interruptible(1000))
8434                         break;
8435         }
8436
8437         return -EIO;
8438 }
8439
8440 /* Only test the commonly used registers */
8441 static int tg3_test_registers(struct tg3 *tp)
8442 {
8443         int i, is_5705, is_5750;
8444         u32 offset, read_mask, write_mask, val, save_val, read_val;
8445         static struct {
8446                 u16 offset;
8447                 u16 flags;
8448 #define TG3_FL_5705     0x1
8449 #define TG3_FL_NOT_5705 0x2
8450 #define TG3_FL_NOT_5788 0x4
8451 #define TG3_FL_NOT_5750 0x8
8452                 u32 read_mask;
8453                 u32 write_mask;
8454         } reg_tbl[] = {
8455                 /* MAC Control Registers */
8456                 { MAC_MODE, TG3_FL_NOT_5705,
8457                         0x00000000, 0x00ef6f8c },
8458                 { MAC_MODE, TG3_FL_5705,
8459                         0x00000000, 0x01ef6b8c },
8460                 { MAC_STATUS, TG3_FL_NOT_5705,
8461                         0x03800107, 0x00000000 },
8462                 { MAC_STATUS, TG3_FL_5705,
8463                         0x03800100, 0x00000000 },
8464                 { MAC_ADDR_0_HIGH, 0x0000,
8465                         0x00000000, 0x0000ffff },
8466                 { MAC_ADDR_0_LOW, 0x0000,
8467                         0x00000000, 0xffffffff },
8468                 { MAC_RX_MTU_SIZE, 0x0000,
8469                         0x00000000, 0x0000ffff },
8470                 { MAC_TX_MODE, 0x0000,
8471                         0x00000000, 0x00000070 },
8472                 { MAC_TX_LENGTHS, 0x0000,
8473                         0x00000000, 0x00003fff },
8474                 { MAC_RX_MODE, TG3_FL_NOT_5705,
8475                         0x00000000, 0x000007fc },
8476                 { MAC_RX_MODE, TG3_FL_5705,
8477                         0x00000000, 0x000007dc },
8478                 { MAC_HASH_REG_0, 0x0000,
8479                         0x00000000, 0xffffffff },
8480                 { MAC_HASH_REG_1, 0x0000,
8481                         0x00000000, 0xffffffff },
8482                 { MAC_HASH_REG_2, 0x0000,
8483                         0x00000000, 0xffffffff },
8484                 { MAC_HASH_REG_3, 0x0000,
8485                         0x00000000, 0xffffffff },
8486
8487                 /* Receive Data and Receive BD Initiator Control Registers. */
8488                 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8489                         0x00000000, 0xffffffff },
8490                 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8491                         0x00000000, 0xffffffff },
8492                 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8493                         0x00000000, 0x00000003 },
8494                 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8495                         0x00000000, 0xffffffff },
8496                 { RCVDBDI_STD_BD+0, 0x0000,
8497                         0x00000000, 0xffffffff },
8498                 { RCVDBDI_STD_BD+4, 0x0000,
8499                         0x00000000, 0xffffffff },
8500                 { RCVDBDI_STD_BD+8, 0x0000,
8501                         0x00000000, 0xffff0002 },
8502                 { RCVDBDI_STD_BD+0xc, 0x0000,
8503                         0x00000000, 0xffffffff },
8504
8505                 /* Receive BD Initiator Control Registers. */
8506                 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8507                         0x00000000, 0xffffffff },
8508                 { RCVBDI_STD_THRESH, TG3_FL_5705,
8509                         0x00000000, 0x000003ff },
8510                 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8511                         0x00000000, 0xffffffff },
8512
8513                 /* Host Coalescing Control Registers. */
8514                 { HOSTCC_MODE, TG3_FL_NOT_5705,
8515                         0x00000000, 0x00000004 },
8516                 { HOSTCC_MODE, TG3_FL_5705,
8517                         0x00000000, 0x000000f6 },
8518                 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8519                         0x00000000, 0xffffffff },
8520                 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8521                         0x00000000, 0x000003ff },
8522                 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8523                         0x00000000, 0xffffffff },
8524                 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8525                         0x00000000, 0x000003ff },
8526                 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8527                         0x00000000, 0xffffffff },
8528                 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8529                         0x00000000, 0x000000ff },
8530                 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8531                         0x00000000, 0xffffffff },
8532                 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8533                         0x00000000, 0x000000ff },
8534                 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8535                         0x00000000, 0xffffffff },
8536                 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8537                         0x00000000, 0xffffffff },
8538                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8539                         0x00000000, 0xffffffff },
8540                 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8541                         0x00000000, 0x000000ff },
8542                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8543                         0x00000000, 0xffffffff },
8544                 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8545                         0x00000000, 0x000000ff },
8546                 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8547                         0x00000000, 0xffffffff },
8548                 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8549                         0x00000000, 0xffffffff },
8550                 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8551                         0x00000000, 0xffffffff },
8552                 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8553                         0x00000000, 0xffffffff },
8554                 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8555                         0x00000000, 0xffffffff },
8556                 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8557                         0xffffffff, 0x00000000 },
8558                 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8559                         0xffffffff, 0x00000000 },
8560
8561                 /* Buffer Manager Control Registers. */
8562                 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
8563                         0x00000000, 0x007fff80 },
8564                 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
8565                         0x00000000, 0x007fffff },
8566                 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8567                         0x00000000, 0x0000003f },
8568                 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8569                         0x00000000, 0x000001ff },
8570                 { BUFMGR_MB_HIGH_WATER, 0x0000,
8571                         0x00000000, 0x000001ff },
8572                 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8573                         0xffffffff, 0x00000000 },
8574                 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8575                         0xffffffff, 0x00000000 },
8576
8577                 /* Mailbox Registers */
8578                 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8579                         0x00000000, 0x000001ff },
8580                 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8581                         0x00000000, 0x000001ff },
8582                 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8583                         0x00000000, 0x000007ff },
8584                 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8585                         0x00000000, 0x000001ff },
8586
8587                 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8588         };
8589
8590         is_5705 = is_5750 = 0;
8591         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8592                 is_5705 = 1;
8593                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8594                         is_5750 = 1;
8595         }
8596
8597         for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8598                 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8599                         continue;
8600
8601                 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8602                         continue;
8603
8604                 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8605                     (reg_tbl[i].flags & TG3_FL_NOT_5788))
8606                         continue;
8607
8608                 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8609                         continue;
8610
8611                 offset = (u32) reg_tbl[i].offset;
8612                 read_mask = reg_tbl[i].read_mask;
8613                 write_mask = reg_tbl[i].write_mask;
8614
8615                 /* Save the original register content */
8616                 save_val = tr32(offset);
8617
8618                 /* Determine the read-only value. */
8619                 read_val = save_val & read_mask;
8620
8621                 /* Write zero to the register, then make sure the read-only bits
8622                  * are not changed and the read/write bits are all zeros.
8623                  */
8624                 tw32(offset, 0);
8625
8626                 val = tr32(offset);
8627
8628                 /* Test the read-only and read/write bits. */
8629                 if (((val & read_mask) != read_val) || (val & write_mask))
8630                         goto out;
8631
8632                 /* Write ones to all the bits defined by RdMask and WrMask, then
8633                  * make sure the read-only bits are not changed and the
8634                  * read/write bits are all ones.
8635                  */
8636                 tw32(offset, read_mask | write_mask);
8637
8638                 val = tr32(offset);
8639
8640                 /* Test the read-only bits. */
8641                 if ((val & read_mask) != read_val)
8642                         goto out;
8643
8644                 /* Test the read/write bits. */
8645                 if ((val & write_mask) != write_mask)
8646                         goto out;
8647
8648                 tw32(offset, save_val);
8649         }
8650
8651         return 0;
8652
8653 out:
8654         printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
8655         tw32(offset, save_val);
8656         return -EIO;
8657 }
8658
8659 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8660 {
8661         static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
8662         int i;
8663         u32 j;
8664
8665         for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8666                 for (j = 0; j < len; j += 4) {
8667                         u32 val;
8668
8669                         tg3_write_mem(tp, offset + j, test_pattern[i]);
8670                         tg3_read_mem(tp, offset + j, &val);
8671                         if (val != test_pattern[i])
8672                                 return -EIO;
8673                 }
8674         }
8675         return 0;
8676 }
8677
8678 static int tg3_test_memory(struct tg3 *tp)
8679 {
8680         static struct mem_entry {
8681                 u32 offset;
8682                 u32 len;
8683         } mem_tbl_570x[] = {
8684                 { 0x00000000, 0x00b50},
8685                 { 0x00002000, 0x1c000},
8686                 { 0xffffffff, 0x00000}
8687         }, mem_tbl_5705[] = {
8688                 { 0x00000100, 0x0000c},
8689                 { 0x00000200, 0x00008},
8690                 { 0x00004000, 0x00800},
8691                 { 0x00006000, 0x01000},
8692                 { 0x00008000, 0x02000},
8693                 { 0x00010000, 0x0e000},
8694                 { 0xffffffff, 0x00000}
8695         }, mem_tbl_5755[] = {
8696                 { 0x00000200, 0x00008},
8697                 { 0x00004000, 0x00800},
8698                 { 0x00006000, 0x00800},
8699                 { 0x00008000, 0x02000},
8700                 { 0x00010000, 0x0c000},
8701                 { 0xffffffff, 0x00000}
8702         }, mem_tbl_5906[] = {
8703                 { 0x00000200, 0x00008},
8704                 { 0x00004000, 0x00400},
8705                 { 0x00006000, 0x00400},
8706                 { 0x00008000, 0x01000},
8707                 { 0x00010000, 0x01000},
8708                 { 0xffffffff, 0x00000}
8709         };
8710         struct mem_entry *mem_tbl;
8711         int err = 0;
8712         int i;
8713
8714         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
8715                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8716                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
8717                         mem_tbl = mem_tbl_5755;
8718                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8719                         mem_tbl = mem_tbl_5906;
8720                 else
8721                         mem_tbl = mem_tbl_5705;
8722         } else
8723                 mem_tbl = mem_tbl_570x;
8724
8725         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8726                 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8727                     mem_tbl[i].len)) != 0)
8728                         break;
8729         }
8730
8731         return err;
8732 }
8733
8734 #define TG3_MAC_LOOPBACK        0
8735 #define TG3_PHY_LOOPBACK        1
8736
8737 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
8738 {
8739         u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
8740         u32 desc_idx;
8741         struct sk_buff *skb, *rx_skb;
8742         u8 *tx_data;
8743         dma_addr_t map;
8744         int num_pkts, tx_len, rx_len, i, err;
8745         struct tg3_rx_buffer_desc *desc;
8746
8747         if (loopback_mode == TG3_MAC_LOOPBACK) {
8748                 /* HW errata - mac loopback fails in some cases on 5780.
8749                  * Normal traffic and PHY loopback are not affected by
8750                  * errata.
8751                  */
8752                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8753                         return 0;
8754
8755                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8756                            MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY;
8757                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8758                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8759                 else
8760                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8761                 tw32(MAC_MODE, mac_mode);
8762         } else if (loopback_mode == TG3_PHY_LOOPBACK) {
8763                 u32 val;
8764
8765                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8766                         u32 phytest;
8767
8768                         if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8769                                 u32 phy;
8770
8771                                 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8772                                              phytest | MII_TG3_EPHY_SHADOW_EN);
8773                                 if (!tg3_readphy(tp, 0x1b, &phy))
8774                                         tg3_writephy(tp, 0x1b, phy & ~0x20);
8775                                 if (!tg3_readphy(tp, 0x10, &phy))
8776                                         tg3_writephy(tp, 0x10, phy & ~0x4000);
8777                                 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8778                         }
8779                 }
8780                 val = BMCR_LOOPBACK | BMCR_FULLDPLX;
8781                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8782                         val |= BMCR_SPEED100;
8783                 else
8784                         val |= BMCR_SPEED1000;
8785
8786                 tg3_writephy(tp, MII_BMCR, val);
8787                 udelay(40);
8788                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8789                         tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
8790
8791                 /* reset to prevent losing 1st rx packet intermittently */
8792                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8793                         tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8794                         udelay(10);
8795                         tw32_f(MAC_RX_MODE, tp->rx_mode);
8796                 }
8797                 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
8798                            MAC_MODE_LINK_POLARITY;
8799                 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8800                         mac_mode |= MAC_MODE_PORT_MODE_MII;
8801                 else
8802                         mac_mode |= MAC_MODE_PORT_MODE_GMII;
8803                 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
8804                         mac_mode &= ~MAC_MODE_LINK_POLARITY;
8805                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
8806                                      MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8807                 }
8808                 tw32(MAC_MODE, mac_mode);
8809         }
8810         else
8811                 return -EINVAL;
8812
8813         err = -EIO;
8814
8815         tx_len = 1514;
8816         skb = netdev_alloc_skb(tp->dev, tx_len);
8817         if (!skb)
8818                 return -ENOMEM;
8819
8820         tx_data = skb_put(skb, tx_len);
8821         memcpy(tx_data, tp->dev->dev_addr, 6);
8822         memset(tx_data + 6, 0x0, 8);
8823
8824         tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8825
8826         for (i = 14; i < tx_len; i++)
8827                 tx_data[i] = (u8) (i & 0xff);
8828
8829         map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8830
8831         tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8832              HOSTCC_MODE_NOW);
8833
8834         udelay(10);
8835
8836         rx_start_idx = tp->hw_status->idx[0].rx_producer;
8837
8838         num_pkts = 0;
8839
8840         tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
8841
8842         tp->tx_prod++;
8843         num_pkts++;
8844
8845         tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8846                      tp->tx_prod);
8847         tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
8848
8849         udelay(10);
8850
8851         /* 250 usec to allow enough time on some 10/100 Mbps devices.  */
8852         for (i = 0; i < 25; i++) {
8853                 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8854                        HOSTCC_MODE_NOW);
8855
8856                 udelay(10);
8857
8858                 tx_idx = tp->hw_status->idx[0].tx_consumer;
8859                 rx_idx = tp->hw_status->idx[0].rx_producer;
8860                 if ((tx_idx == tp->tx_prod) &&
8861                     (rx_idx == (rx_start_idx + num_pkts)))
8862                         break;
8863         }
8864
8865         pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8866         dev_kfree_skb(skb);
8867
8868         if (tx_idx != tp->tx_prod)
8869                 goto out;
8870
8871         if (rx_idx != rx_start_idx + num_pkts)
8872                 goto out;
8873
8874         desc = &tp->rx_rcb[rx_start_idx];
8875         desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8876         opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
8877         if (opaque_key != RXD_OPAQUE_RING_STD)
8878                 goto out;
8879
8880         if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
8881             (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
8882                 goto out;
8883
8884         rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
8885         if (rx_len != tx_len)
8886                 goto out;
8887
8888         rx_skb = tp->rx_std_buffers[desc_idx].skb;
8889
8890         map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
8891         pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
8892
8893         for (i = 14; i < tx_len; i++) {
8894                 if (*(rx_skb->data + i) != (u8) (i & 0xff))
8895                         goto out;
8896         }
8897         err = 0;
8898
8899         /* tg3_free_rings will unmap and free the rx_skb */
8900 out:
8901         return err;
8902 }
8903
8904 #define TG3_MAC_LOOPBACK_FAILED         1
8905 #define TG3_PHY_LOOPBACK_FAILED         2
8906 #define TG3_LOOPBACK_FAILED             (TG3_MAC_LOOPBACK_FAILED |      \
8907                                          TG3_PHY_LOOPBACK_FAILED)
8908
8909 static int tg3_test_loopback(struct tg3 *tp)
8910 {
8911         int err = 0;
8912
8913         if (!netif_running(tp->dev))
8914                 return TG3_LOOPBACK_FAILED;
8915
8916         err = tg3_reset_hw(tp, 1);
8917         if (err)
8918                 return TG3_LOOPBACK_FAILED;
8919
8920         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
8921                 err |= TG3_MAC_LOOPBACK_FAILED;
8922         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
8923                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
8924                         err |= TG3_PHY_LOOPBACK_FAILED;
8925         }
8926
8927         return err;
8928 }
8929
8930 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
8931                           u64 *data)
8932 {
8933         struct tg3 *tp = netdev_priv(dev);
8934
8935         if (tp->link_config.phy_is_low_power)
8936                 tg3_set_power_state(tp, PCI_D0);
8937
8938         memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
8939
8940         if (tg3_test_nvram(tp) != 0) {
8941                 etest->flags |= ETH_TEST_FL_FAILED;
8942                 data[0] = 1;
8943         }
8944         if (tg3_test_link(tp) != 0) {
8945                 etest->flags |= ETH_TEST_FL_FAILED;
8946                 data[1] = 1;
8947         }
8948         if (etest->flags & ETH_TEST_FL_OFFLINE) {
8949                 int err, irq_sync = 0;
8950
8951                 if (netif_running(dev)) {
8952                         tg3_netif_stop(tp);
8953                         irq_sync = 1;
8954                 }
8955
8956                 tg3_full_lock(tp, irq_sync);
8957
8958                 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
8959                 err = tg3_nvram_lock(tp);
8960                 tg3_halt_cpu(tp, RX_CPU_BASE);
8961                 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8962                         tg3_halt_cpu(tp, TX_CPU_BASE);
8963                 if (!err)
8964                         tg3_nvram_unlock(tp);
8965
8966                 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
8967                         tg3_phy_reset(tp);
8968
8969                 if (tg3_test_registers(tp) != 0) {
8970                         etest->flags |= ETH_TEST_FL_FAILED;
8971                         data[2] = 1;
8972                 }
8973                 if (tg3_test_memory(tp) != 0) {
8974                         etest->flags |= ETH_TEST_FL_FAILED;
8975                         data[3] = 1;
8976                 }
8977                 if ((data[4] = tg3_test_loopback(tp)) != 0)
8978                         etest->flags |= ETH_TEST_FL_FAILED;
8979
8980                 tg3_full_unlock(tp);
8981
8982                 if (tg3_test_interrupt(tp) != 0) {
8983                         etest->flags |= ETH_TEST_FL_FAILED;
8984                         data[5] = 1;
8985                 }
8986
8987                 tg3_full_lock(tp, 0);
8988
8989                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8990                 if (netif_running(dev)) {
8991                         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
8992                         if (!tg3_restart_hw(tp, 1))
8993                                 tg3_netif_start(tp);
8994                 }
8995
8996                 tg3_full_unlock(tp);
8997         }
8998         if (tp->link_config.phy_is_low_power)
8999                 tg3_set_power_state(tp, PCI_D3hot);
9000
9001 }
9002
9003 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9004 {
9005         struct mii_ioctl_data *data = if_mii(ifr);
9006         struct tg3 *tp = netdev_priv(dev);
9007         int err;
9008
9009         switch(cmd) {
9010         case SIOCGMIIPHY:
9011                 data->phy_id = PHY_ADDR;
9012
9013                 /* fallthru */
9014         case SIOCGMIIREG: {
9015                 u32 mii_regval;
9016
9017                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9018                         break;                  /* We have no PHY */
9019
9020                 if (tp->link_config.phy_is_low_power)
9021                         return -EAGAIN;
9022
9023                 spin_lock_bh(&tp->lock);
9024                 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
9025                 spin_unlock_bh(&tp->lock);
9026
9027                 data->val_out = mii_regval;
9028
9029                 return err;
9030         }
9031
9032         case SIOCSMIIREG:
9033                 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9034                         break;                  /* We have no PHY */
9035
9036                 if (!capable(CAP_NET_ADMIN))
9037                         return -EPERM;
9038
9039                 if (tp->link_config.phy_is_low_power)
9040                         return -EAGAIN;
9041
9042                 spin_lock_bh(&tp->lock);
9043                 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
9044                 spin_unlock_bh(&tp->lock);
9045
9046                 return err;
9047
9048         default:
9049                 /* do nothing */
9050                 break;
9051         }
9052         return -EOPNOTSUPP;
9053 }
9054
9055 #if TG3_VLAN_TAG_USED
9056 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9057 {
9058         struct tg3 *tp = netdev_priv(dev);
9059
9060         if (netif_running(dev))
9061                 tg3_netif_stop(tp);
9062
9063         tg3_full_lock(tp, 0);
9064
9065         tp->vlgrp = grp;
9066
9067         /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9068         __tg3_set_rx_mode(dev);
9069
9070         tg3_full_unlock(tp);
9071
9072         if (netif_running(dev))
9073                 tg3_netif_start(tp);
9074 }
9075
9076 static void tg3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
9077 {
9078         struct tg3 *tp = netdev_priv(dev);
9079
9080         if (netif_running(dev))
9081                 tg3_netif_stop(tp);
9082
9083         tg3_full_lock(tp, 0);
9084         if (tp->vlgrp)
9085                 tp->vlgrp->vlan_devices[vid] = NULL;
9086         tg3_full_unlock(tp);
9087
9088         if (netif_running(dev))
9089                 tg3_netif_start(tp);
9090 }
9091 #endif
9092
9093 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9094 {
9095         struct tg3 *tp = netdev_priv(dev);
9096
9097         memcpy(ec, &tp->coal, sizeof(*ec));
9098         return 0;
9099 }
9100
9101 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9102 {
9103         struct tg3 *tp = netdev_priv(dev);
9104         u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9105         u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9106
9107         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9108                 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9109                 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9110                 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9111                 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9112         }
9113
9114         if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9115             (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9116             (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9117             (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9118             (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9119             (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9120             (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9121             (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9122             (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9123             (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9124                 return -EINVAL;
9125
9126         /* No rx interrupts will be generated if both are zero */
9127         if ((ec->rx_coalesce_usecs == 0) &&
9128             (ec->rx_max_coalesced_frames == 0))
9129                 return -EINVAL;
9130
9131         /* No tx interrupts will be generated if both are zero */
9132         if ((ec->tx_coalesce_usecs == 0) &&
9133             (ec->tx_max_coalesced_frames == 0))
9134                 return -EINVAL;
9135
9136         /* Only copy relevant parameters, ignore all others. */
9137         tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9138         tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9139         tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9140         tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9141         tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9142         tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9143         tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9144         tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9145         tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9146
9147         if (netif_running(dev)) {
9148                 tg3_full_lock(tp, 0);
9149                 __tg3_set_coalesce(tp, &tp->coal);
9150                 tg3_full_unlock(tp);
9151         }
9152         return 0;
9153 }
9154
9155 static const struct ethtool_ops tg3_ethtool_ops = {
9156         .get_settings           = tg3_get_settings,
9157         .set_settings           = tg3_set_settings,
9158         .get_drvinfo            = tg3_get_drvinfo,
9159         .get_regs_len           = tg3_get_regs_len,
9160         .get_regs               = tg3_get_regs,
9161         .get_wol                = tg3_get_wol,
9162         .set_wol                = tg3_set_wol,
9163         .get_msglevel           = tg3_get_msglevel,
9164         .set_msglevel           = tg3_set_msglevel,
9165         .nway_reset             = tg3_nway_reset,
9166         .get_link               = ethtool_op_get_link,
9167         .get_eeprom_len         = tg3_get_eeprom_len,
9168         .get_eeprom             = tg3_get_eeprom,
9169         .set_eeprom             = tg3_set_eeprom,
9170         .get_ringparam          = tg3_get_ringparam,
9171         .set_ringparam          = tg3_set_ringparam,
9172         .get_pauseparam         = tg3_get_pauseparam,
9173         .set_pauseparam         = tg3_set_pauseparam,
9174         .get_rx_csum            = tg3_get_rx_csum,
9175         .set_rx_csum            = tg3_set_rx_csum,
9176         .get_tx_csum            = ethtool_op_get_tx_csum,
9177         .set_tx_csum            = tg3_set_tx_csum,
9178         .get_sg                 = ethtool_op_get_sg,
9179         .set_sg                 = ethtool_op_set_sg,
9180 #if TG3_TSO_SUPPORT != 0
9181         .get_tso                = ethtool_op_get_tso,
9182         .set_tso                = tg3_set_tso,
9183 #endif
9184         .self_test_count        = tg3_get_test_count,
9185         .self_test              = tg3_self_test,
9186         .get_strings            = tg3_get_strings,
9187         .phys_id                = tg3_phys_id,
9188         .get_stats_count        = tg3_get_stats_count,
9189         .get_ethtool_stats      = tg3_get_ethtool_stats,
9190         .get_coalesce           = tg3_get_coalesce,
9191         .set_coalesce           = tg3_set_coalesce,
9192         .get_perm_addr          = ethtool_op_get_perm_addr,
9193 };
9194
9195 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9196 {
9197         u32 cursize, val, magic;
9198
9199         tp->nvram_size = EEPROM_CHIP_SIZE;
9200
9201         if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
9202                 return;
9203
9204         if ((magic != TG3_EEPROM_MAGIC) &&
9205             ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9206             ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
9207                 return;
9208
9209         /*
9210          * Size the chip by reading offsets at increasing powers of two.
9211          * When we encounter our validation signature, we know the addressing
9212          * has wrapped around, and thus have our chip size.
9213          */
9214         cursize = 0x10;
9215
9216         while (cursize < tp->nvram_size) {
9217                 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
9218                         return;
9219
9220                 if (val == magic)
9221                         break;
9222
9223                 cursize <<= 1;
9224         }
9225
9226         tp->nvram_size = cursize;
9227 }
9228
9229 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9230 {
9231         u32 val;
9232
9233         if (tg3_nvram_read_swab(tp, 0, &val) != 0)
9234                 return;
9235
9236         /* Selfboot format */
9237         if (val != TG3_EEPROM_MAGIC) {
9238                 tg3_get_eeprom_size(tp);
9239                 return;
9240         }
9241
9242         if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9243                 if (val != 0) {
9244                         tp->nvram_size = (val >> 16) * 1024;
9245                         return;
9246                 }
9247         }
9248         tp->nvram_size = 0x20000;
9249 }
9250
9251 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9252 {
9253         u32 nvcfg1;
9254
9255         nvcfg1 = tr32(NVRAM_CFG1);
9256         if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9257                 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9258         }
9259         else {
9260                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9261                 tw32(NVRAM_CFG1, nvcfg1);
9262         }
9263
9264         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
9265             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
9266                 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9267                         case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9268                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9269                                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9270                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9271                                 break;
9272                         case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9273                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9274                                 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9275                                 break;
9276                         case FLASH_VENDOR_ATMEL_EEPROM:
9277                                 tp->nvram_jedecnum = JEDEC_ATMEL;
9278                                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9279                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9280                                 break;
9281                         case FLASH_VENDOR_ST:
9282                                 tp->nvram_jedecnum = JEDEC_ST;
9283                                 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9284                                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9285                                 break;
9286                         case FLASH_VENDOR_SAIFUN:
9287                                 tp->nvram_jedecnum = JEDEC_SAIFUN;
9288                                 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9289                                 break;
9290                         case FLASH_VENDOR_SST_SMALL:
9291                         case FLASH_VENDOR_SST_LARGE:
9292                                 tp->nvram_jedecnum = JEDEC_SST;
9293                                 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9294                                 break;
9295                 }
9296         }
9297         else {
9298                 tp->nvram_jedecnum = JEDEC_ATMEL;
9299                 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9300                 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9301         }
9302 }
9303
9304 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9305 {
9306         u32 nvcfg1;
9307
9308         nvcfg1 = tr32(NVRAM_CFG1);
9309
9310         /* NVRAM protection for TPM */
9311         if (nvcfg1 & (1 << 27))
9312                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9313
9314         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9315                 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9316                 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9317                         tp->nvram_jedecnum = JEDEC_ATMEL;
9318                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9319                         break;
9320                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9321                         tp->nvram_jedecnum = JEDEC_ATMEL;
9322                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9323                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9324                         break;
9325                 case FLASH_5752VENDOR_ST_M45PE10:
9326                 case FLASH_5752VENDOR_ST_M45PE20:
9327                 case FLASH_5752VENDOR_ST_M45PE40:
9328                         tp->nvram_jedecnum = JEDEC_ST;
9329                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9330                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9331                         break;
9332         }
9333
9334         if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9335                 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9336                         case FLASH_5752PAGE_SIZE_256:
9337                                 tp->nvram_pagesize = 256;
9338                                 break;
9339                         case FLASH_5752PAGE_SIZE_512:
9340                                 tp->nvram_pagesize = 512;
9341                                 break;
9342                         case FLASH_5752PAGE_SIZE_1K:
9343                                 tp->nvram_pagesize = 1024;
9344                                 break;
9345                         case FLASH_5752PAGE_SIZE_2K:
9346                                 tp->nvram_pagesize = 2048;
9347                                 break;
9348                         case FLASH_5752PAGE_SIZE_4K:
9349                                 tp->nvram_pagesize = 4096;
9350                                 break;
9351                         case FLASH_5752PAGE_SIZE_264:
9352                                 tp->nvram_pagesize = 264;
9353                                 break;
9354                 }
9355         }
9356         else {
9357                 /* For eeprom, set pagesize to maximum eeprom size */
9358                 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9359
9360                 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9361                 tw32(NVRAM_CFG1, nvcfg1);
9362         }
9363 }
9364
9365 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9366 {
9367         u32 nvcfg1;
9368
9369         nvcfg1 = tr32(NVRAM_CFG1);
9370
9371         /* NVRAM protection for TPM */
9372         if (nvcfg1 & (1 << 27))
9373                 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9374
9375         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9376                 case FLASH_5755VENDOR_ATMEL_EEPROM_64KHZ:
9377                 case FLASH_5755VENDOR_ATMEL_EEPROM_376KHZ:
9378                         tp->nvram_jedecnum = JEDEC_ATMEL;
9379                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9380                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9381
9382                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9383                         tw32(NVRAM_CFG1, nvcfg1);
9384                         break;
9385                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9386                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9387                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9388                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9389                 case FLASH_5755VENDOR_ATMEL_FLASH_4:
9390                         tp->nvram_jedecnum = JEDEC_ATMEL;
9391                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9392                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9393                         tp->nvram_pagesize = 264;
9394                         break;
9395                 case FLASH_5752VENDOR_ST_M45PE10:
9396                 case FLASH_5752VENDOR_ST_M45PE20:
9397                 case FLASH_5752VENDOR_ST_M45PE40:
9398                         tp->nvram_jedecnum = JEDEC_ST;
9399                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9400                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9401                         tp->nvram_pagesize = 256;
9402                         break;
9403         }
9404 }
9405
9406 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9407 {
9408         u32 nvcfg1;
9409
9410         nvcfg1 = tr32(NVRAM_CFG1);
9411
9412         switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9413                 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9414                 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9415                 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9416                 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9417                         tp->nvram_jedecnum = JEDEC_ATMEL;
9418                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9419                         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9420
9421                         nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9422                         tw32(NVRAM_CFG1, nvcfg1);
9423                         break;
9424                 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9425                 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9426                 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9427                 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9428                         tp->nvram_jedecnum = JEDEC_ATMEL;
9429                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9430                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9431                         tp->nvram_pagesize = 264;
9432                         break;
9433                 case FLASH_5752VENDOR_ST_M45PE10:
9434                 case FLASH_5752VENDOR_ST_M45PE20:
9435                 case FLASH_5752VENDOR_ST_M45PE40:
9436                         tp->nvram_jedecnum = JEDEC_ST;
9437                         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9438                         tp->tg3_flags2 |= TG3_FLG2_FLASH;
9439                         tp->nvram_pagesize = 256;
9440                         break;
9441         }
9442 }
9443
9444 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9445 {
9446         tp->nvram_jedecnum = JEDEC_ATMEL;
9447         tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9448         tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9449 }
9450
9451 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
9452 static void __devinit tg3_nvram_init(struct tg3 *tp)
9453 {
9454         int j;
9455
9456         tw32_f(GRC_EEPROM_ADDR,
9457              (EEPROM_ADDR_FSM_RESET |
9458               (EEPROM_DEFAULT_CLOCK_PERIOD <<
9459                EEPROM_ADDR_CLKPERD_SHIFT)));
9460
9461         /* XXX schedule_timeout() ... */
9462         for (j = 0; j < 100; j++)
9463                 udelay(10);
9464
9465         /* Enable seeprom accesses. */
9466         tw32_f(GRC_LOCAL_CTRL,
9467              tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9468         udelay(100);
9469
9470         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9471             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9472                 tp->tg3_flags |= TG3_FLAG_NVRAM;
9473
9474                 if (tg3_nvram_lock(tp)) {
9475                         printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9476                                "tg3_nvram_init failed.\n", tp->dev->name);
9477                         return;
9478                 }
9479                 tg3_enable_nvram_access(tp);
9480
9481                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9482                         tg3_get_5752_nvram_info(tp);
9483                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9484                         tg3_get_5755_nvram_info(tp);
9485                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9486                         tg3_get_5787_nvram_info(tp);
9487                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9488                         tg3_get_5906_nvram_info(tp);
9489                 else
9490                         tg3_get_nvram_info(tp);
9491
9492                 tg3_get_nvram_size(tp);
9493
9494                 tg3_disable_nvram_access(tp);
9495                 tg3_nvram_unlock(tp);
9496
9497         } else {
9498                 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9499
9500                 tg3_get_eeprom_size(tp);
9501         }
9502 }
9503
9504 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9505                                         u32 offset, u32 *val)
9506 {
9507         u32 tmp;
9508         int i;
9509
9510         if (offset > EEPROM_ADDR_ADDR_MASK ||
9511             (offset % 4) != 0)
9512                 return -EINVAL;
9513
9514         tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9515                                         EEPROM_ADDR_DEVID_MASK |
9516                                         EEPROM_ADDR_READ);
9517         tw32(GRC_EEPROM_ADDR,
9518              tmp |
9519              (0 << EEPROM_ADDR_DEVID_SHIFT) |
9520              ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9521               EEPROM_ADDR_ADDR_MASK) |
9522              EEPROM_ADDR_READ | EEPROM_ADDR_START);
9523
9524         for (i = 0; i < 10000; i++) {
9525                 tmp = tr32(GRC_EEPROM_ADDR);
9526
9527                 if (tmp & EEPROM_ADDR_COMPLETE)
9528                         break;
9529                 udelay(100);
9530         }
9531         if (!(tmp & EEPROM_ADDR_COMPLETE))
9532                 return -EBUSY;
9533
9534         *val = tr32(GRC_EEPROM_DATA);
9535         return 0;
9536 }
9537
9538 #define NVRAM_CMD_TIMEOUT 10000
9539
9540 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9541 {
9542         int i;
9543
9544         tw32(NVRAM_CMD, nvram_cmd);
9545         for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9546                 udelay(10);
9547                 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9548                         udelay(10);
9549                         break;
9550                 }
9551         }
9552         if (i == NVRAM_CMD_TIMEOUT) {
9553                 return -EBUSY;
9554         }
9555         return 0;
9556 }
9557
9558 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9559 {
9560         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9561             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9562             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9563             (tp->nvram_jedecnum == JEDEC_ATMEL))
9564
9565                 addr = ((addr / tp->nvram_pagesize) <<
9566                         ATMEL_AT45DB0X1B_PAGE_POS) +
9567                        (addr % tp->nvram_pagesize);
9568
9569         return addr;
9570 }
9571
9572 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9573 {
9574         if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9575             (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9576             (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9577             (tp->nvram_jedecnum == JEDEC_ATMEL))
9578
9579                 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9580                         tp->nvram_pagesize) +
9581                        (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9582
9583         return addr;
9584 }
9585
9586 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9587 {
9588         int ret;
9589
9590         if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9591                 return tg3_nvram_read_using_eeprom(tp, offset, val);
9592
9593         offset = tg3_nvram_phys_addr(tp, offset);
9594
9595         if (offset > NVRAM_ADDR_MSK)
9596                 return -EINVAL;
9597
9598         ret = tg3_nvram_lock(tp);
9599         if (ret)
9600                 return ret;
9601
9602         tg3_enable_nvram_access(tp);
9603
9604         tw32(NVRAM_ADDR, offset);
9605         ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9606                 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9607
9608         if (ret == 0)
9609                 *val = swab32(tr32(NVRAM_RDDATA));
9610
9611         tg3_disable_nvram_access(tp);
9612
9613         tg3_nvram_unlock(tp);
9614
9615         return ret;
9616 }
9617
9618 static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9619 {
9620         int err;
9621         u32 tmp;
9622
9623         err = tg3_nvram_read(tp, offset, &tmp);
9624         *val = swab32(tmp);
9625         return err;
9626 }
9627
9628 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9629                                     u32 offset, u32 len, u8 *buf)
9630 {
9631         int i, j, rc = 0;
9632         u32 val;
9633
9634         for (i = 0; i < len; i += 4) {
9635                 u32 addr, data;
9636
9637                 addr = offset + i;
9638
9639                 memcpy(&data, buf + i, 4);
9640
9641                 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9642
9643                 val = tr32(GRC_EEPROM_ADDR);
9644                 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9645
9646                 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9647                         EEPROM_ADDR_READ);
9648                 tw32(GRC_EEPROM_ADDR, val |
9649                         (0 << EEPROM_ADDR_DEVID_SHIFT) |
9650                         (addr & EEPROM_ADDR_ADDR_MASK) |
9651                         EEPROM_ADDR_START |
9652                         EEPROM_ADDR_WRITE);
9653
9654                 for (j = 0; j < 10000; j++) {
9655                         val = tr32(GRC_EEPROM_ADDR);
9656
9657                         if (val & EEPROM_ADDR_COMPLETE)
9658                                 break;
9659                         udelay(100);
9660                 }
9661                 if (!(val & EEPROM_ADDR_COMPLETE)) {
9662                         rc = -EBUSY;
9663                         break;
9664                 }
9665         }
9666
9667         return rc;
9668 }
9669
9670 /* offset and length are dword aligned */
9671 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9672                 u8 *buf)
9673 {
9674         int ret = 0;
9675         u32 pagesize = tp->nvram_pagesize;
9676         u32 pagemask = pagesize - 1;
9677         u32 nvram_cmd;
9678         u8 *tmp;
9679
9680         tmp = kmalloc(pagesize, GFP_KERNEL);
9681         if (tmp == NULL)
9682                 return -ENOMEM;
9683
9684         while (len) {
9685                 int j;
9686                 u32 phy_addr, page_off, size;
9687
9688                 phy_addr = offset & ~pagemask;
9689
9690                 for (j = 0; j < pagesize; j += 4) {
9691                         if ((ret = tg3_nvram_read(tp, phy_addr + j,
9692                                                 (u32 *) (tmp + j))))
9693                                 break;
9694                 }
9695                 if (ret)
9696                         break;
9697
9698                 page_off = offset & pagemask;
9699                 size = pagesize;
9700                 if (len < size)
9701                         size = len;
9702
9703                 len -= size;
9704
9705                 memcpy(tmp + page_off, buf, size);
9706
9707                 offset = offset + (pagesize - page_off);
9708
9709                 tg3_enable_nvram_access(tp);
9710
9711                 /*
9712                  * Before we can erase the flash page, we need
9713                  * to issue a special "write enable" command.
9714                  */
9715                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9716
9717                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9718                         break;
9719
9720                 /* Erase the target page */
9721                 tw32(NVRAM_ADDR, phy_addr);
9722
9723                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9724                         NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9725
9726                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9727                         break;
9728
9729                 /* Issue another write enable to start the write. */
9730                 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9731
9732                 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9733                         break;
9734
9735                 for (j = 0; j < pagesize; j += 4) {
9736                         u32 data;
9737
9738                         data = *((u32 *) (tmp + j));
9739                         tw32(NVRAM_WRDATA, cpu_to_be32(data));
9740
9741                         tw32(NVRAM_ADDR, phy_addr + j);
9742
9743                         nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9744                                 NVRAM_CMD_WR;
9745
9746                         if (j == 0)
9747                                 nvram_cmd |= NVRAM_CMD_FIRST;
9748                         else if (j == (pagesize - 4))
9749                                 nvram_cmd |= NVRAM_CMD_LAST;
9750
9751                         if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9752                                 break;
9753                 }
9754                 if (ret)
9755                         break;
9756         }
9757
9758         nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9759         tg3_nvram_exec_cmd(tp, nvram_cmd);
9760
9761         kfree(tmp);
9762
9763         return ret;
9764 }
9765
9766 /* offset and length are dword aligned */
9767 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9768                 u8 *buf)
9769 {
9770         int i, ret = 0;
9771
9772         for (i = 0; i < len; i += 4, offset += 4) {
9773                 u32 data, page_off, phy_addr, nvram_cmd;
9774
9775                 memcpy(&data, buf + i, 4);
9776                 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9777
9778                 page_off = offset % tp->nvram_pagesize;
9779
9780                 phy_addr = tg3_nvram_phys_addr(tp, offset);
9781
9782                 tw32(NVRAM_ADDR, phy_addr);
9783
9784                 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9785
9786                 if ((page_off == 0) || (i == 0))
9787                         nvram_cmd |= NVRAM_CMD_FIRST;
9788                 if (page_off == (tp->nvram_pagesize - 4))
9789                         nvram_cmd |= NVRAM_CMD_LAST;
9790
9791                 if (i == (len - 4))
9792                         nvram_cmd |= NVRAM_CMD_LAST;
9793
9794                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
9795                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
9796                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
9797                     (tp->nvram_jedecnum == JEDEC_ST) &&
9798                     (nvram_cmd & NVRAM_CMD_FIRST)) {
9799
9800                         if ((ret = tg3_nvram_exec_cmd(tp,
9801                                 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9802                                 NVRAM_CMD_DONE)))
9803
9804                                 break;
9805                 }
9806                 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9807                         /* We always do complete word writes to eeprom. */
9808                         nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9809                 }
9810
9811                 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9812                         break;
9813         }
9814         return ret;
9815 }
9816
9817 /* offset and length are dword aligned */
9818 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9819 {
9820         int ret;
9821
9822         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9823                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9824                        ~GRC_LCLCTRL_GPIO_OUTPUT1);
9825                 udelay(40);
9826         }
9827
9828         if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9829                 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9830         }
9831         else {
9832                 u32 grc_mode;
9833
9834                 ret = tg3_nvram_lock(tp);
9835                 if (ret)
9836                         return ret;
9837
9838                 tg3_enable_nvram_access(tp);
9839                 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9840                     !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
9841                         tw32(NVRAM_WRITE1, 0x406);
9842
9843                 grc_mode = tr32(GRC_MODE);
9844                 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9845
9846                 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9847                         !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9848
9849                         ret = tg3_nvram_write_block_buffered(tp, offset, len,
9850                                 buf);
9851                 }
9852                 else {
9853                         ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9854                                 buf);
9855                 }
9856
9857                 grc_mode = tr32(GRC_MODE);
9858                 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9859
9860                 tg3_disable_nvram_access(tp);
9861                 tg3_nvram_unlock(tp);
9862         }
9863
9864         if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
9865                 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
9866                 udelay(40);
9867         }
9868
9869         return ret;
9870 }
9871
9872 struct subsys_tbl_ent {
9873         u16 subsys_vendor, subsys_devid;
9874         u32 phy_id;
9875 };
9876
9877 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9878         /* Broadcom boards. */
9879         { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9880         { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9881         { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9882         { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 },              /* BCM95700A9 */
9883         { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9884         { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9885         { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 },              /* BCM95701A7 */
9886         { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9887         { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9888         { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9889         { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9890
9891         /* 3com boards. */
9892         { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
9893         { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
9894         { PCI_VENDOR_ID_3COM, 0x1004, 0 },              /* 3C996SX */
9895         { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
9896         { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
9897
9898         /* DELL boards. */
9899         { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
9900         { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
9901         { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
9902         { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
9903
9904         /* Compaq boards. */
9905         { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
9906         { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
9907         { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 },              /* CHANGELING */
9908         { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
9909         { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
9910
9911         /* IBM boards. */
9912         { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
9913 };
9914
9915 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
9916 {
9917         int i;
9918
9919         for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
9920                 if ((subsys_id_to_phy_id[i].subsys_vendor ==
9921                      tp->pdev->subsystem_vendor) &&
9922                     (subsys_id_to_phy_id[i].subsys_devid ==
9923                      tp->pdev->subsystem_device))
9924                         return &subsys_id_to_phy_id[i];
9925         }
9926         return NULL;
9927 }
9928
9929 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
9930 {
9931         u32 val;
9932         u16 pmcsr;
9933
9934         /* On some early chips the SRAM cannot be accessed in D3hot state,
9935          * so need make sure we're in D0.
9936          */
9937         pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
9938         pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9939         pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
9940         msleep(1);
9941
9942         /* Make sure register accesses (indirect or otherwise)
9943          * will function correctly.
9944          */
9945         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9946                                tp->misc_host_ctrl);
9947
9948         /* The memory arbiter has to be enabled in order for SRAM accesses
9949          * to succeed.  Normally on powerup the tg3 chip firmware will make
9950          * sure it is enabled, but other entities such as system netboot
9951          * code might disable it.
9952          */
9953         val = tr32(MEMARB_MODE);
9954         tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
9955
9956         tp->phy_id = PHY_ID_INVALID;
9957         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
9958
9959         /* Assume an onboard device by default.  */
9960         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
9961
9962         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9963                 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM))
9964                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
9965                 return;
9966         }
9967
9968         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9969         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9970                 u32 nic_cfg, led_cfg;
9971                 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
9972                 int eeprom_phy_serdes = 0;
9973
9974                 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9975                 tp->nic_sram_data_cfg = nic_cfg;
9976
9977                 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
9978                 ver >>= NIC_SRAM_DATA_VER_SHIFT;
9979                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
9980                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
9981                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
9982                     (ver > 0) && (ver < 0x100))
9983                         tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
9984
9985                 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
9986                     NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
9987                         eeprom_phy_serdes = 1;
9988
9989                 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
9990                 if (nic_phy_id != 0) {
9991                         u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
9992                         u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
9993
9994                         eeprom_phy_id  = (id1 >> 16) << 10;
9995                         eeprom_phy_id |= (id2 & 0xfc00) << 16;
9996                         eeprom_phy_id |= (id2 & 0x03ff) <<  0;
9997                 } else
9998                         eeprom_phy_id = 0;
9999
10000                 tp->phy_id = eeprom_phy_id;
10001                 if (eeprom_phy_serdes) {
10002                         if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
10003                                 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10004                         else
10005                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10006                 }
10007
10008                 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10009                         led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10010                                     SHASTA_EXT_LED_MODE_MASK);
10011                 else
10012                         led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10013
10014                 switch (led_cfg) {
10015                 default:
10016                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10017                         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10018                         break;
10019
10020                 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10021                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10022                         break;
10023
10024                 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10025                         tp->led_ctrl = LED_CTRL_MODE_MAC;
10026
10027                         /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10028                          * read on some older 5700/5701 bootcode.
10029                          */
10030                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10031                             ASIC_REV_5700 ||
10032                             GET_ASIC_REV(tp->pci_chip_rev_id) ==
10033                             ASIC_REV_5701)
10034                                 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10035
10036                         break;
10037
10038                 case SHASTA_EXT_LED_SHARED:
10039                         tp->led_ctrl = LED_CTRL_MODE_SHARED;
10040                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10041                             tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10042                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10043                                                  LED_CTRL_MODE_PHY_2);
10044                         break;
10045
10046                 case SHASTA_EXT_LED_MAC:
10047                         tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10048                         break;
10049
10050                 case SHASTA_EXT_LED_COMBO:
10051                         tp->led_ctrl = LED_CTRL_MODE_COMBO;
10052                         if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10053                                 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10054                                                  LED_CTRL_MODE_PHY_2);
10055                         break;
10056
10057                 };
10058
10059                 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10060                      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10061                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10062                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10063
10064                 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP)
10065                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
10066                 else
10067                         tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10068
10069                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10070                         tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
10071                         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10072                                 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10073                 }
10074                 if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
10075                         tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP;
10076
10077                 if (cfg2 & (1 << 17))
10078                         tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10079
10080                 /* serdes signal pre-emphasis in register 0x590 set by */
10081                 /* bootcode if bit 18 is set */
10082                 if (cfg2 & (1 << 18))
10083                         tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
10084         }
10085 }
10086
10087 static int __devinit tg3_phy_probe(struct tg3 *tp)
10088 {
10089         u32 hw_phy_id_1, hw_phy_id_2;
10090         u32 hw_phy_id, hw_phy_id_masked;
10091         int err;
10092
10093         /* Reading the PHY ID register can conflict with ASF
10094          * firwmare access to the PHY hardware.
10095          */
10096         err = 0;
10097         if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10098                 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10099         } else {
10100                 /* Now read the physical PHY_ID from the chip and verify
10101                  * that it is sane.  If it doesn't look good, we fall back
10102                  * to either the hard-coded table based PHY_ID and failing
10103                  * that the value found in the eeprom area.
10104                  */
10105                 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10106                 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10107
10108                 hw_phy_id  = (hw_phy_id_1 & 0xffff) << 10;
10109                 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10110                 hw_phy_id |= (hw_phy_id_2 & 0x03ff) <<  0;
10111
10112                 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10113         }
10114
10115         if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10116                 tp->phy_id = hw_phy_id;
10117                 if (hw_phy_id_masked == PHY_ID_BCM8002)
10118                         tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10119                 else
10120                         tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
10121         } else {
10122                 if (tp->phy_id != PHY_ID_INVALID) {
10123                         /* Do nothing, phy ID already set up in
10124                          * tg3_get_eeprom_hw_cfg().
10125                          */
10126                 } else {
10127                         struct subsys_tbl_ent *p;
10128
10129                         /* No eeprom signature?  Try the hardcoded
10130                          * subsys device table.
10131                          */
10132                         p = lookup_by_subsys(tp);
10133                         if (!p)
10134                                 return -ENODEV;
10135
10136                         tp->phy_id = p->phy_id;
10137                         if (!tp->phy_id ||
10138                             tp->phy_id == PHY_ID_BCM8002)
10139                                 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10140                 }
10141         }
10142
10143         if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
10144             !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
10145                 u32 bmsr, adv_reg, tg3_ctrl;
10146
10147                 tg3_readphy(tp, MII_BMSR, &bmsr);
10148                 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10149                     (bmsr & BMSR_LSTATUS))
10150                         goto skip_phy_reset;
10151
10152                 err = tg3_phy_reset(tp);
10153                 if (err)
10154                         return err;
10155
10156                 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10157                            ADVERTISE_100HALF | ADVERTISE_100FULL |
10158                            ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10159                 tg3_ctrl = 0;
10160                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10161                         tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10162                                     MII_TG3_CTRL_ADV_1000_FULL);
10163                         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10164                             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10165                                 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10166                                              MII_TG3_CTRL_ENABLE_AS_MASTER);
10167                 }
10168
10169                 if (!tg3_copper_is_advertising_all(tp)) {
10170                         tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10171
10172                         if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10173                                 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10174
10175                         tg3_writephy(tp, MII_BMCR,
10176                                      BMCR_ANENABLE | BMCR_ANRESTART);
10177                 }
10178                 tg3_phy_set_wirespeed(tp);
10179
10180                 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10181                 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10182                         tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10183         }
10184
10185 skip_phy_reset:
10186         if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10187                 err = tg3_init_5401phy_dsp(tp);
10188                 if (err)
10189                         return err;
10190         }
10191
10192         if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10193                 err = tg3_init_5401phy_dsp(tp);
10194         }
10195
10196         if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
10197                 tp->link_config.advertising =
10198                         (ADVERTISED_1000baseT_Half |
10199                          ADVERTISED_1000baseT_Full |
10200                          ADVERTISED_Autoneg |
10201                          ADVERTISED_FIBRE);
10202         if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10203                 tp->link_config.advertising &=
10204                         ~(ADVERTISED_1000baseT_Half |
10205                           ADVERTISED_1000baseT_Full);
10206
10207         return err;
10208 }
10209
10210 static void __devinit tg3_read_partno(struct tg3 *tp)
10211 {
10212         unsigned char vpd_data[256];
10213         int i;
10214         u32 magic;
10215
10216         if (tg3_nvram_read_swab(tp, 0x0, &magic))
10217                 goto out_not_found;
10218
10219         if (magic == TG3_EEPROM_MAGIC) {
10220                 for (i = 0; i < 256; i += 4) {
10221                         u32 tmp;
10222
10223                         if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10224                                 goto out_not_found;
10225
10226                         vpd_data[i + 0] = ((tmp >>  0) & 0xff);
10227                         vpd_data[i + 1] = ((tmp >>  8) & 0xff);
10228                         vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10229                         vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10230                 }
10231         } else {
10232                 int vpd_cap;
10233
10234                 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10235                 for (i = 0; i < 256; i += 4) {
10236                         u32 tmp, j = 0;
10237                         u16 tmp16;
10238
10239                         pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10240                                               i);
10241                         while (j++ < 100) {
10242                                 pci_read_config_word(tp->pdev, vpd_cap +
10243                                                      PCI_VPD_ADDR, &tmp16);
10244                                 if (tmp16 & 0x8000)
10245                                         break;
10246                                 msleep(1);
10247                         }
10248                         if (!(tmp16 & 0x8000))
10249                                 goto out_not_found;
10250
10251                         pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10252                                               &tmp);
10253                         tmp = cpu_to_le32(tmp);
10254                         memcpy(&vpd_data[i], &tmp, 4);
10255                 }
10256         }
10257
10258         /* Now parse and find the part number. */
10259         for (i = 0; i < 256; ) {
10260                 unsigned char val = vpd_data[i];
10261                 int block_end;
10262
10263                 if (val == 0x82 || val == 0x91) {
10264                         i = (i + 3 +
10265                              (vpd_data[i + 1] +
10266                               (vpd_data[i + 2] << 8)));
10267                         continue;
10268                 }
10269
10270                 if (val != 0x90)
10271                         goto out_not_found;
10272
10273                 block_end = (i + 3 +
10274                              (vpd_data[i + 1] +
10275                               (vpd_data[i + 2] << 8)));
10276                 i += 3;
10277                 while (i < block_end) {
10278                         if (vpd_data[i + 0] == 'P' &&
10279                             vpd_data[i + 1] == 'N') {
10280                                 int partno_len = vpd_data[i + 2];
10281
10282                                 if (partno_len > 24)
10283                                         goto out_not_found;
10284
10285                                 memcpy(tp->board_part_number,
10286                                        &vpd_data[i + 3],
10287                                        partno_len);
10288
10289                                 /* Success. */
10290                                 return;
10291                         }
10292                 }
10293
10294                 /* Part number not found. */
10295                 goto out_not_found;
10296         }
10297
10298 out_not_found:
10299         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10300                 strcpy(tp->board_part_number, "BCM95906");
10301         else
10302                 strcpy(tp->board_part_number, "none");
10303 }
10304
10305 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10306 {
10307         u32 val, offset, start;
10308
10309         if (tg3_nvram_read_swab(tp, 0, &val))
10310                 return;
10311
10312         if (val != TG3_EEPROM_MAGIC)
10313                 return;
10314
10315         if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10316             tg3_nvram_read_swab(tp, 0x4, &start))
10317                 return;
10318
10319         offset = tg3_nvram_logical_addr(tp, offset);
10320         if (tg3_nvram_read_swab(tp, offset, &val))
10321                 return;
10322
10323         if ((val & 0xfc000000) == 0x0c000000) {
10324                 u32 ver_offset, addr;
10325                 int i;
10326
10327                 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10328                     tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10329                         return;
10330
10331                 if (val != 0)
10332                         return;
10333
10334                 addr = offset + ver_offset - start;
10335                 for (i = 0; i < 16; i += 4) {
10336                         if (tg3_nvram_read(tp, addr + i, &val))
10337                                 return;
10338
10339                         val = cpu_to_le32(val);
10340                         memcpy(tp->fw_ver + i, &val, 4);
10341                 }
10342         }
10343 }
10344
10345 static int __devinit tg3_get_invariants(struct tg3 *tp)
10346 {
10347         static struct pci_device_id write_reorder_chipsets[] = {
10348                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10349                              PCI_DEVICE_ID_AMD_FE_GATE_700C) },
10350                 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10351                              PCI_DEVICE_ID_AMD_8131_BRIDGE) },
10352                 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10353                              PCI_DEVICE_ID_VIA_8385_0) },
10354                 { },
10355         };
10356         u32 misc_ctrl_reg;
10357         u32 cacheline_sz_reg;
10358         u32 pci_state_reg, grc_misc_cfg;
10359         u32 val;
10360         u16 pci_cmd;
10361         int err;
10362
10363         /* Force memory write invalidate off.  If we leave it on,
10364          * then on 5700_BX chips we have to enable a workaround.
10365          * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10366          * to match the cacheline size.  The Broadcom driver have this
10367          * workaround but turns MWI off all the times so never uses
10368          * it.  This seems to suggest that the workaround is insufficient.
10369          */
10370         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10371         pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10372         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10373
10374         /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10375          * has the register indirect write enable bit set before
10376          * we try to access any of the MMIO registers.  It is also
10377          * critical that the PCI-X hw workaround situation is decided
10378          * before that as well.
10379          */
10380         pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10381                               &misc_ctrl_reg);
10382
10383         tp->pci_chip_rev_id = (misc_ctrl_reg >>
10384                                MISC_HOST_CTRL_CHIPREV_SHIFT);
10385
10386         /* Wrong chip ID in 5752 A0. This code can be removed later
10387          * as A0 is not in production.
10388          */
10389         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10390                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10391
10392         /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10393          * we need to disable memory and use config. cycles
10394          * only to access all registers. The 5702/03 chips
10395          * can mistakenly decode the special cycles from the
10396          * ICH chipsets as memory write cycles, causing corruption
10397          * of register and memory space. Only certain ICH bridges
10398          * will drive special cycles with non-zero data during the
10399          * address phase which can fall within the 5703's address
10400          * range. This is not an ICH bug as the PCI spec allows
10401          * non-zero address during special cycles. However, only
10402          * these ICH bridges are known to drive non-zero addresses
10403          * during special cycles.
10404          *
10405          * Since special cycles do not cross PCI bridges, we only
10406          * enable this workaround if the 5703 is on the secondary
10407          * bus of these ICH bridges.
10408          */
10409         if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10410             (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10411                 static struct tg3_dev_id {
10412                         u32     vendor;
10413                         u32     device;
10414                         u32     rev;
10415                 } ich_chipsets[] = {
10416                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10417                           PCI_ANY_ID },
10418                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10419                           PCI_ANY_ID },
10420                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10421                           0xa },
10422                         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10423                           PCI_ANY_ID },
10424                         { },
10425                 };
10426                 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10427                 struct pci_dev *bridge = NULL;
10428
10429                 while (pci_id->vendor != 0) {
10430                         bridge = pci_get_device(pci_id->vendor, pci_id->device,
10431                                                 bridge);
10432                         if (!bridge) {
10433                                 pci_id++;
10434                                 continue;
10435                         }
10436                         if (pci_id->rev != PCI_ANY_ID) {
10437                                 u8 rev;
10438
10439                                 pci_read_config_byte(bridge, PCI_REVISION_ID,
10440                                                      &rev);
10441                                 if (rev > pci_id->rev)
10442                                         continue;
10443                         }
10444                         if (bridge->subordinate &&
10445                             (bridge->subordinate->number ==
10446                              tp->pdev->bus->number)) {
10447
10448                                 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10449                                 pci_dev_put(bridge);
10450                                 break;
10451                         }
10452                 }
10453         }
10454
10455         /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10456          * DMA addresses > 40-bit. This bridge may have other additional
10457          * 57xx devices behind it in some 4-port NIC designs for example.
10458          * Any tg3 device found behind the bridge will also need the 40-bit
10459          * DMA workaround.
10460          */
10461         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10462             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10463                 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
10464                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10465                 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
10466         }
10467         else {
10468                 struct pci_dev *bridge = NULL;
10469
10470                 do {
10471                         bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10472                                                 PCI_DEVICE_ID_SERVERWORKS_EPB,
10473                                                 bridge);
10474                         if (bridge && bridge->subordinate &&
10475                             (bridge->subordinate->number <=
10476                              tp->pdev->bus->number) &&
10477                             (bridge->subordinate->subordinate >=
10478                              tp->pdev->bus->number)) {
10479                                 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10480                                 pci_dev_put(bridge);
10481                                 break;
10482                         }
10483                 } while (bridge);
10484         }
10485
10486         /* Initialize misc host control in PCI block. */
10487         tp->misc_host_ctrl |= (misc_ctrl_reg &
10488                                MISC_HOST_CTRL_CHIPREV);
10489         pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10490                                tp->misc_host_ctrl);
10491
10492         pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10493                               &cacheline_sz_reg);
10494
10495         tp->pci_cacheline_sz = (cacheline_sz_reg >>  0) & 0xff;
10496         tp->pci_lat_timer    = (cacheline_sz_reg >>  8) & 0xff;
10497         tp->pci_hdr_type     = (cacheline_sz_reg >> 16) & 0xff;
10498         tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
10499
10500         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10501             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10502             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10503             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10504             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
10505             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10506                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10507
10508         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10509             (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10510                 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10511
10512         if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
10513                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10514                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10515                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10516                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
10517                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
10518                 } else {
10519                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 |
10520                                           TG3_FLG2_HW_TSO_1_BUG;
10521                         if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10522                                 ASIC_REV_5750 &&
10523                             tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
10524                                 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_1_BUG;
10525                 }
10526         }
10527
10528         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10529             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
10530             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10531             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
10532             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10533             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10534                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10535
10536         if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
10537                 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
10538
10539         /* If we have an AMD 762 or VIA K8T800 chipset, write
10540          * reordering to the mailbox registers done by the host
10541          * controller can cause major troubles.  We read back from
10542          * every mailbox register write to force the writes to be
10543          * posted to the chip in order.
10544          */
10545         if (pci_dev_present(write_reorder_chipsets) &&
10546             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10547                 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10548
10549         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10550             tp->pci_lat_timer < 64) {
10551                 tp->pci_lat_timer = 64;
10552
10553                 cacheline_sz_reg  = ((tp->pci_cacheline_sz & 0xff) <<  0);
10554                 cacheline_sz_reg |= ((tp->pci_lat_timer    & 0xff) <<  8);
10555                 cacheline_sz_reg |= ((tp->pci_hdr_type     & 0xff) << 16);
10556                 cacheline_sz_reg |= ((tp->pci_bist         & 0xff) << 24);
10557
10558                 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10559                                        cacheline_sz_reg);
10560         }
10561
10562         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10563                               &pci_state_reg);
10564
10565         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10566                 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10567
10568                 /* If this is a 5700 BX chipset, and we are in PCI-X
10569                  * mode, enable register write workaround.
10570                  *
10571                  * The workaround is to use indirect register accesses
10572                  * for all chip writes not to mailbox registers.
10573                  */
10574                 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10575                         u32 pm_reg;
10576                         u16 pci_cmd;
10577
10578                         tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10579
10580                         /* The chip can have it's power management PCI config
10581                          * space registers clobbered due to this bug.
10582                          * So explicitly force the chip into D0 here.
10583                          */
10584                         pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10585                                               &pm_reg);
10586                         pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10587                         pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10588                         pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10589                                                pm_reg);
10590
10591                         /* Also, force SERR#/PERR# in PCI command. */
10592                         pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10593                         pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10594                         pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10595                 }
10596         }
10597
10598         /* 5700 BX chips need to have their TX producer index mailboxes
10599          * written twice to workaround a bug.
10600          */
10601         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10602                 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10603
10604         /* Back to back register writes can cause problems on this chip,
10605          * the workaround is to read back all reg writes except those to
10606          * mailbox regs.  See tg3_write_indirect_reg32().
10607          *
10608          * PCI Express 5750_A0 rev chips need this workaround too.
10609          */
10610         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10611             ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10612              tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
10613                 tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
10614
10615         if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10616                 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10617         if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10618                 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10619
10620         /* Chip-specific fixup from Broadcom driver */
10621         if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10622             (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10623                 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10624                 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10625         }
10626
10627         /* Default fast path register access methods */
10628         tp->read32 = tg3_read32;
10629         tp->write32 = tg3_write32;
10630         tp->read32_mbox = tg3_read32;
10631         tp->write32_mbox = tg3_write32;
10632         tp->write32_tx_mbox = tg3_write32;
10633         tp->write32_rx_mbox = tg3_write32;
10634
10635         /* Various workaround register access methods */
10636         if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10637                 tp->write32 = tg3_write_indirect_reg32;
10638         else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
10639                 tp->write32 = tg3_write_flush_reg32;
10640
10641         if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10642             (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10643                 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10644                 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10645                         tp->write32_rx_mbox = tg3_write_flush_reg32;
10646         }
10647
10648         if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10649                 tp->read32 = tg3_read_indirect_reg32;
10650                 tp->write32 = tg3_write_indirect_reg32;
10651                 tp->read32_mbox = tg3_read_indirect_mbox;
10652                 tp->write32_mbox = tg3_write_indirect_mbox;
10653                 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10654                 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10655
10656                 iounmap(tp->regs);
10657                 tp->regs = NULL;
10658
10659                 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10660                 pci_cmd &= ~PCI_COMMAND_MEMORY;
10661                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10662         }
10663         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10664                 tp->read32_mbox = tg3_read32_mbox_5906;
10665                 tp->write32_mbox = tg3_write32_mbox_5906;
10666                 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10667                 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10668         }
10669
10670         if (tp->write32 == tg3_write_indirect_reg32 ||
10671             ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10672              (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10673               GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
10674                 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10675
10676         /* Get eeprom hw config before calling tg3_set_power_state().
10677          * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
10678          * determined before calling tg3_set_power_state() so that
10679          * we know whether or not to switch out of Vaux power.
10680          * When the flag is set, it means that GPIO1 is used for eeprom
10681          * write protect and also implies that it is a LOM where GPIOs
10682          * are not used to switch power.
10683          */
10684         tg3_get_eeprom_hw_cfg(tp);
10685
10686         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10687          * GPIO1 driven high will bring 5700's external PHY out of reset.
10688          * It is also used as eeprom write protect on LOMs.
10689          */
10690         tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10691         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10692             (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10693                 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10694                                        GRC_LCLCTRL_GPIO_OUTPUT1);
10695         /* Unused GPIO3 must be driven as output on 5752 because there
10696          * are no pull-up resistors on unused GPIO pins.
10697          */
10698         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10699                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
10700
10701         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10702                 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10703
10704         /* Force the chip into D0. */
10705         err = tg3_set_power_state(tp, PCI_D0);
10706         if (err) {
10707                 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10708                        pci_name(tp->pdev));
10709                 return err;
10710         }
10711
10712         /* 5700 B0 chips do not support checksumming correctly due
10713          * to hardware bugs.
10714          */
10715         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10716                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10717
10718         /* Derive initial jumbo mode from MTU assigned in
10719          * ether_setup() via the alloc_etherdev() call
10720          */
10721         if (tp->dev->mtu > ETH_DATA_LEN &&
10722             !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
10723                 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
10724
10725         /* Determine WakeOnLan speed to use. */
10726         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10727             tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10728             tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10729             tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10730                 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10731         } else {
10732                 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10733         }
10734
10735         /* A few boards don't want Ethernet@WireSpeed phy feature */
10736         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10737             ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10738              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
10739              (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
10740             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
10741             (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
10742                 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10743
10744         if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10745             GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10746                 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10747         if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10748                 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10749
10750         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10751                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10752                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
10753                         tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
10754                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
10755                         tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10756         }
10757
10758         tp->coalesce_mode = 0;
10759         if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10760             GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10761                 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10762
10763         /* Initialize MAC MI mode, polling disabled. */
10764         tw32_f(MAC_MI_MODE, tp->mi_mode);
10765         udelay(80);
10766
10767         /* Initialize data/descriptor byte/word swapping. */
10768         val = tr32(GRC_MODE);
10769         val &= GRC_MODE_HOST_STACKUP;
10770         tw32(GRC_MODE, val | tp->grc_mode);
10771
10772         tg3_switch_clocks(tp);
10773
10774         /* Clear this out for sanity. */
10775         tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10776
10777         pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10778                               &pci_state_reg);
10779         if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10780             (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10781                 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10782
10783                 if (chiprevid == CHIPREV_ID_5701_A0 ||
10784                     chiprevid == CHIPREV_ID_5701_B0 ||
10785                     chiprevid == CHIPREV_ID_5701_B2 ||
10786                     chiprevid == CHIPREV_ID_5701_B5) {
10787                         void __iomem *sram_base;
10788
10789                         /* Write some dummy words into the SRAM status block
10790                          * area, see if it reads back correctly.  If the return
10791                          * value is bad, force enable the PCIX workaround.
10792                          */
10793                         sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10794
10795                         writel(0x00000000, sram_base);
10796                         writel(0x00000000, sram_base + 4);
10797                         writel(0xffffffff, sram_base + 4);
10798                         if (readl(sram_base) != 0x00000000)
10799                                 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10800                 }
10801         }
10802
10803         udelay(50);
10804         tg3_nvram_init(tp);
10805
10806         grc_misc_cfg = tr32(GRC_MISC_CFG);
10807         grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10808
10809         /* Broadcom's driver says that CIOBE multisplit has a bug */
10810 #if 0
10811         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
10812             grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) {
10813                 tp->tg3_flags |= TG3_FLAG_SPLIT_MODE;
10814                 tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ;
10815         }
10816 #endif
10817         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10818             (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10819              grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10820                 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10821
10822         if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10823             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10824                 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10825         if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10826                 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10827                                       HOSTCC_MODE_CLRTICK_TXBD);
10828
10829                 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10830                 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10831                                        tp->misc_host_ctrl);
10832         }
10833
10834         /* these are limited to 10/100 only */
10835         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10836              (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10837             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10838              tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10839              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10840               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10841               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10842             (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10843              (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
10844               tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)) ||
10845             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10846                 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
10847
10848         err = tg3_phy_probe(tp);
10849         if (err) {
10850                 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
10851                        pci_name(tp->pdev), err);
10852                 /* ... but do not return immediately ... */
10853         }
10854
10855         tg3_read_partno(tp);
10856         tg3_read_fw_ver(tp);
10857
10858         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
10859                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10860         } else {
10861                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10862                         tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
10863                 else
10864                         tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
10865         }
10866
10867         /* 5700 {AX,BX} chips have a broken status block link
10868          * change bit implementation, so we must use the
10869          * status register in those cases.
10870          */
10871         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
10872                 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
10873         else
10874                 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
10875
10876         /* The led_ctrl is set during tg3_phy_probe, here we might
10877          * have to force the link status polling mechanism based
10878          * upon subsystem IDs.
10879          */
10880         if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10881             !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
10882                 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
10883                                   TG3_FLAG_USE_LINKCHG_REG);
10884         }
10885
10886         /* For all SERDES we poll the MAC status register. */
10887         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10888                 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
10889         else
10890                 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
10891
10892         /* All chips before 5787 can get confused if TX buffers
10893          * straddle the 4GB address boundary in some cases.
10894          */
10895         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
10896             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10897             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10898                 tp->dev->hard_start_xmit = tg3_start_xmit;
10899         else
10900                 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
10901
10902         tp->rx_offset = 2;
10903         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
10904             (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
10905                 tp->rx_offset = 0;
10906
10907         tp->rx_std_max_post = TG3_RX_RING_SIZE;
10908
10909         /* Increment the rx prod index on the rx std ring by at most
10910          * 8 for these chips to workaround hw errata.
10911          */
10912         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
10913             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
10914             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10915                 tp->rx_std_max_post = 8;
10916
10917         /* By default, disable wake-on-lan.  User can change this
10918          * using ETHTOOL_SWOL.
10919          */
10920         tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
10921
10922         return err;
10923 }
10924
10925 #ifdef CONFIG_SPARC64
10926 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
10927 {
10928         struct net_device *dev = tp->dev;
10929         struct pci_dev *pdev = tp->pdev;
10930         struct pcidev_cookie *pcp = pdev->sysdata;
10931
10932         if (pcp != NULL) {
10933                 unsigned char *addr;
10934                 int len;
10935
10936                 addr = of_get_property(pcp->prom_node, "local-mac-address",
10937                                         &len);
10938                 if (addr && len == 6) {
10939                         memcpy(dev->dev_addr, addr, 6);
10940                         memcpy(dev->perm_addr, dev->dev_addr, 6);
10941                         return 0;
10942                 }
10943         }
10944         return -ENODEV;
10945 }
10946
10947 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
10948 {
10949         struct net_device *dev = tp->dev;
10950
10951         memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
10952         memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
10953         return 0;
10954 }
10955 #endif
10956
10957 static int __devinit tg3_get_device_address(struct tg3 *tp)
10958 {
10959         struct net_device *dev = tp->dev;
10960         u32 hi, lo, mac_offset;
10961         int addr_ok = 0;
10962
10963 #ifdef CONFIG_SPARC64
10964         if (!tg3_get_macaddr_sparc(tp))
10965                 return 0;
10966 #endif
10967
10968         mac_offset = 0x7c;
10969         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10970             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10971                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
10972                         mac_offset = 0xcc;
10973                 if (tg3_nvram_lock(tp))
10974                         tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
10975                 else
10976                         tg3_nvram_unlock(tp);
10977         }
10978         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10979                 mac_offset = 0x10;
10980
10981         /* First try to get it from MAC address mailbox. */
10982         tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
10983         if ((hi >> 16) == 0x484b) {
10984                 dev->dev_addr[0] = (hi >>  8) & 0xff;
10985                 dev->dev_addr[1] = (hi >>  0) & 0xff;
10986
10987                 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
10988                 dev->dev_addr[2] = (lo >> 24) & 0xff;
10989                 dev->dev_addr[3] = (lo >> 16) & 0xff;
10990                 dev->dev_addr[4] = (lo >>  8) & 0xff;
10991                 dev->dev_addr[5] = (lo >>  0) & 0xff;
10992
10993                 /* Some old bootcode may report a 0 MAC address in SRAM */
10994                 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
10995         }
10996         if (!addr_ok) {
10997                 /* Next, try NVRAM. */
10998                 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
10999                     !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11000                         dev->dev_addr[0] = ((hi >> 16) & 0xff);
11001                         dev->dev_addr[1] = ((hi >> 24) & 0xff);
11002                         dev->dev_addr[2] = ((lo >>  0) & 0xff);
11003                         dev->dev_addr[3] = ((lo >>  8) & 0xff);
11004                         dev->dev_addr[4] = ((lo >> 16) & 0xff);
11005                         dev->dev_addr[5] = ((lo >> 24) & 0xff);
11006                 }
11007                 /* Finally just fetch it out of the MAC control regs. */
11008                 else {
11009                         hi = tr32(MAC_ADDR_0_HIGH);
11010                         lo = tr32(MAC_ADDR_0_LOW);
11011
11012                         dev->dev_addr[5] = lo & 0xff;
11013                         dev->dev_addr[4] = (lo >> 8) & 0xff;
11014                         dev->dev_addr[3] = (lo >> 16) & 0xff;
11015                         dev->dev_addr[2] = (lo >> 24) & 0xff;
11016                         dev->dev_addr[1] = hi & 0xff;
11017                         dev->dev_addr[0] = (hi >> 8) & 0xff;
11018                 }
11019         }
11020
11021         if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11022 #ifdef CONFIG_SPARC64
11023                 if (!tg3_get_default_macaddr_sparc(tp))
11024                         return 0;
11025 #endif
11026                 return -EINVAL;
11027         }
11028         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
11029         return 0;
11030 }
11031
11032 #define BOUNDARY_SINGLE_CACHELINE       1
11033 #define BOUNDARY_MULTI_CACHELINE        2
11034
11035 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11036 {
11037         int cacheline_size;
11038         u8 byte;
11039         int goal;
11040
11041         pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11042         if (byte == 0)
11043                 cacheline_size = 1024;
11044         else
11045                 cacheline_size = (int) byte * 4;
11046
11047         /* On 5703 and later chips, the boundary bits have no
11048          * effect.
11049          */
11050         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11051             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11052             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11053                 goto out;
11054
11055 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11056         goal = BOUNDARY_MULTI_CACHELINE;
11057 #else
11058 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11059         goal = BOUNDARY_SINGLE_CACHELINE;
11060 #else
11061         goal = 0;
11062 #endif
11063 #endif
11064
11065         if (!goal)
11066                 goto out;
11067
11068         /* PCI controllers on most RISC systems tend to disconnect
11069          * when a device tries to burst across a cache-line boundary.
11070          * Therefore, letting tg3 do so just wastes PCI bandwidth.
11071          *
11072          * Unfortunately, for PCI-E there are only limited
11073          * write-side controls for this, and thus for reads
11074          * we will still get the disconnects.  We'll also waste
11075          * these PCI cycles for both read and write for chips
11076          * other than 5700 and 5701 which do not implement the
11077          * boundary bits.
11078          */
11079         if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11080             !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11081                 switch (cacheline_size) {
11082                 case 16:
11083                 case 32:
11084                 case 64:
11085                 case 128:
11086                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11087                                 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11088                                         DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11089                         } else {
11090                                 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11091                                         DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11092                         }
11093                         break;
11094
11095                 case 256:
11096                         val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11097                                 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11098                         break;
11099
11100                 default:
11101                         val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11102                                 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11103                         break;
11104                 };
11105         } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11106                 switch (cacheline_size) {
11107                 case 16:
11108                 case 32:
11109                 case 64:
11110                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11111                                 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11112                                 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11113                                 break;
11114                         }
11115                         /* fallthrough */
11116                 case 128:
11117                 default:
11118                         val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11119                         val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11120                         break;
11121                 };
11122         } else {
11123                 switch (cacheline_size) {
11124                 case 16:
11125                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11126                                 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11127                                         DMA_RWCTRL_WRITE_BNDRY_16);
11128                                 break;
11129                         }
11130                         /* fallthrough */
11131                 case 32:
11132                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11133                                 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11134                                         DMA_RWCTRL_WRITE_BNDRY_32);
11135                                 break;
11136                         }
11137                         /* fallthrough */
11138                 case 64:
11139                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11140                                 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11141                                         DMA_RWCTRL_WRITE_BNDRY_64);
11142                                 break;
11143                         }
11144                         /* fallthrough */
11145                 case 128:
11146                         if (goal == BOUNDARY_SINGLE_CACHELINE) {
11147                                 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11148                                         DMA_RWCTRL_WRITE_BNDRY_128);
11149                                 break;
11150                         }
11151                         /* fallthrough */
11152                 case 256:
11153                         val |= (DMA_RWCTRL_READ_BNDRY_256 |
11154                                 DMA_RWCTRL_WRITE_BNDRY_256);
11155                         break;
11156                 case 512:
11157                         val |= (DMA_RWCTRL_READ_BNDRY_512 |
11158                                 DMA_RWCTRL_WRITE_BNDRY_512);
11159                         break;
11160                 case 1024:
11161                 default:
11162                         val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11163                                 DMA_RWCTRL_WRITE_BNDRY_1024);
11164                         break;
11165                 };
11166         }
11167
11168 out:
11169         return val;
11170 }
11171
11172 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11173 {
11174         struct tg3_internal_buffer_desc test_desc;
11175         u32 sram_dma_descs;
11176         int i, ret;
11177
11178         sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11179
11180         tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11181         tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11182         tw32(RDMAC_STATUS, 0);
11183         tw32(WDMAC_STATUS, 0);
11184
11185         tw32(BUFMGR_MODE, 0);
11186         tw32(FTQ_RESET, 0);
11187
11188         test_desc.addr_hi = ((u64) buf_dma) >> 32;
11189         test_desc.addr_lo = buf_dma & 0xffffffff;
11190         test_desc.nic_mbuf = 0x00002100;
11191         test_desc.len = size;
11192
11193         /*
11194          * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11195          * the *second* time the tg3 driver was getting loaded after an
11196          * initial scan.
11197          *
11198          * Broadcom tells me:
11199          *   ...the DMA engine is connected to the GRC block and a DMA
11200          *   reset may affect the GRC block in some unpredictable way...
11201          *   The behavior of resets to individual blocks has not been tested.
11202          *
11203          * Broadcom noted the GRC reset will also reset all sub-components.
11204          */
11205         if (to_device) {
11206                 test_desc.cqid_sqid = (13 << 8) | 2;
11207
11208                 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11209                 udelay(40);
11210         } else {
11211                 test_desc.cqid_sqid = (16 << 8) | 7;
11212
11213                 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11214                 udelay(40);
11215         }
11216         test_desc.flags = 0x00000005;
11217
11218         for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11219                 u32 val;
11220
11221                 val = *(((u32 *)&test_desc) + i);
11222                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11223                                        sram_dma_descs + (i * sizeof(u32)));
11224                 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11225         }
11226         pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11227
11228         if (to_device) {
11229                 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11230         } else {
11231                 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11232         }
11233
11234         ret = -ENODEV;
11235         for (i = 0; i < 40; i++) {
11236                 u32 val;
11237
11238                 if (to_device)
11239                         val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11240                 else
11241                         val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11242                 if ((val & 0xffff) == sram_dma_descs) {
11243                         ret = 0;
11244                         break;
11245                 }
11246
11247                 udelay(100);
11248         }
11249
11250         return ret;
11251 }
11252
11253 #define TEST_BUFFER_SIZE        0x2000
11254
11255 static int __devinit tg3_test_dma(struct tg3 *tp)
11256 {
11257         dma_addr_t buf_dma;
11258         u32 *buf, saved_dma_rwctrl;
11259         int ret;
11260
11261         buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11262         if (!buf) {
11263                 ret = -ENOMEM;
11264                 goto out_nofree;
11265         }
11266
11267         tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11268                           (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11269
11270         tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
11271
11272         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11273                 /* DMA read watermark not used on PCIE */
11274                 tp->dma_rwctrl |= 0x00180000;
11275         } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
11276                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11277                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
11278                         tp->dma_rwctrl |= 0x003f0000;
11279                 else
11280                         tp->dma_rwctrl |= 0x003f000f;
11281         } else {
11282                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11283                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11284                         u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
11285
11286                         /* If the 5704 is behind the EPB bridge, we can
11287                          * do the less restrictive ONE_DMA workaround for
11288                          * better performance.
11289                          */
11290                         if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11291                             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11292                                 tp->dma_rwctrl |= 0x8000;
11293                         else if (ccval == 0x6 || ccval == 0x7)
11294                                 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11295
11296                         /* Set bit 23 to enable PCIX hw bug fix */
11297                         tp->dma_rwctrl |= 0x009f0000;
11298                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11299                         /* 5780 always in PCIX mode */
11300                         tp->dma_rwctrl |= 0x00144000;
11301                 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11302                         /* 5714 always in PCIX mode */
11303                         tp->dma_rwctrl |= 0x00148000;
11304                 } else {
11305                         tp->dma_rwctrl |= 0x001b000f;
11306                 }
11307         }
11308
11309         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11310             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11311                 tp->dma_rwctrl &= 0xfffffff0;
11312
11313         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11314             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11315                 /* Remove this if it causes problems for some boards. */
11316                 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11317
11318                 /* On 5700/5701 chips, we need to set this bit.
11319                  * Otherwise the chip will issue cacheline transactions
11320                  * to streamable DMA memory with not all the byte
11321                  * enables turned on.  This is an error on several
11322                  * RISC PCI controllers, in particular sparc64.
11323                  *
11324                  * On 5703/5704 chips, this bit has been reassigned
11325                  * a different meaning.  In particular, it is used
11326                  * on those chips to enable a PCI-X workaround.
11327                  */
11328                 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11329         }
11330
11331         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11332
11333 #if 0
11334         /* Unneeded, already done by tg3_get_invariants.  */
11335         tg3_switch_clocks(tp);
11336 #endif
11337
11338         ret = 0;
11339         if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11340             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11341                 goto out;
11342
11343         /* It is best to perform DMA test with maximum write burst size
11344          * to expose the 5700/5701 write DMA bug.
11345          */
11346         saved_dma_rwctrl = tp->dma_rwctrl;
11347         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11348         tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11349
11350         while (1) {
11351                 u32 *p = buf, i;
11352
11353                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11354                         p[i] = i;
11355
11356                 /* Send the buffer to the chip. */
11357                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11358                 if (ret) {
11359                         printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11360                         break;
11361                 }
11362
11363 #if 0
11364                 /* validate data reached card RAM correctly. */
11365                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11366                         u32 val;
11367                         tg3_read_mem(tp, 0x2100 + (i*4), &val);
11368                         if (le32_to_cpu(val) != p[i]) {
11369                                 printk(KERN_ERR "  tg3_test_dma()  Card buffer corrupted on write! (%d != %d)\n", val, i);
11370                                 /* ret = -ENODEV here? */
11371                         }
11372                         p[i] = 0;
11373                 }
11374 #endif
11375                 /* Now read it back. */
11376                 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11377                 if (ret) {
11378                         printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11379
11380                         break;
11381                 }
11382
11383                 /* Verify it. */
11384                 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11385                         if (p[i] == i)
11386                                 continue;
11387
11388                         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11389                             DMA_RWCTRL_WRITE_BNDRY_16) {
11390                                 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11391                                 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11392                                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11393                                 break;
11394                         } else {
11395                                 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11396                                 ret = -ENODEV;
11397                                 goto out;
11398                         }
11399                 }
11400
11401                 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11402                         /* Success. */
11403                         ret = 0;
11404                         break;
11405                 }
11406         }
11407         if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11408             DMA_RWCTRL_WRITE_BNDRY_16) {
11409                 static struct pci_device_id dma_wait_state_chipsets[] = {
11410                         { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11411                                      PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11412                         { },
11413                 };
11414
11415                 /* DMA test passed without adjusting DMA boundary,
11416                  * now look for chipsets that are known to expose the
11417                  * DMA bug without failing the test.
11418                  */
11419                 if (pci_dev_present(dma_wait_state_chipsets)) {
11420                         tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11421                         tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11422                 }
11423                 else
11424                         /* Safe to use the calculated DMA boundary. */
11425                         tp->dma_rwctrl = saved_dma_rwctrl;
11426
11427                 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11428         }
11429
11430 out:
11431         pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11432 out_nofree:
11433         return ret;
11434 }
11435
11436 static void __devinit tg3_init_link_config(struct tg3 *tp)
11437 {
11438         tp->link_config.advertising =
11439                 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11440                  ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11441                  ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11442                  ADVERTISED_Autoneg | ADVERTISED_MII);
11443         tp->link_config.speed = SPEED_INVALID;
11444         tp->link_config.duplex = DUPLEX_INVALID;
11445         tp->link_config.autoneg = AUTONEG_ENABLE;
11446         tp->link_config.active_speed = SPEED_INVALID;
11447         tp->link_config.active_duplex = DUPLEX_INVALID;
11448         tp->link_config.phy_is_low_power = 0;
11449         tp->link_config.orig_speed = SPEED_INVALID;
11450         tp->link_config.orig_duplex = DUPLEX_INVALID;
11451         tp->link_config.orig_autoneg = AUTONEG_INVALID;
11452 }
11453
11454 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11455 {
11456         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11457                 tp->bufmgr_config.mbuf_read_dma_low_water =
11458                         DEFAULT_MB_RDMA_LOW_WATER_5705;
11459                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11460                         DEFAULT_MB_MACRX_LOW_WATER_5705;
11461                 tp->bufmgr_config.mbuf_high_water =
11462                         DEFAULT_MB_HIGH_WATER_5705;
11463                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11464                         tp->bufmgr_config.mbuf_mac_rx_low_water =
11465                                 DEFAULT_MB_MACRX_LOW_WATER_5906;
11466                         tp->bufmgr_config.mbuf_high_water =
11467                                 DEFAULT_MB_HIGH_WATER_5906;
11468                 }
11469
11470                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11471                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11472                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11473                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11474                 tp->bufmgr_config.mbuf_high_water_jumbo =
11475                         DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11476         } else {
11477                 tp->bufmgr_config.mbuf_read_dma_low_water =
11478                         DEFAULT_MB_RDMA_LOW_WATER;
11479                 tp->bufmgr_config.mbuf_mac_rx_low_water =
11480                         DEFAULT_MB_MACRX_LOW_WATER;
11481                 tp->bufmgr_config.mbuf_high_water =
11482                         DEFAULT_MB_HIGH_WATER;
11483
11484                 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11485                         DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11486                 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11487                         DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11488                 tp->bufmgr_config.mbuf_high_water_jumbo =
11489                         DEFAULT_MB_HIGH_WATER_JUMBO;
11490         }
11491
11492         tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11493         tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11494 }
11495
11496 static char * __devinit tg3_phy_string(struct tg3 *tp)
11497 {
11498         switch (tp->phy_id & PHY_ID_MASK) {
11499         case PHY_ID_BCM5400:    return "5400";
11500         case PHY_ID_BCM5401:    return "5401";
11501         case PHY_ID_BCM5411:    return "5411";
11502         case PHY_ID_BCM5701:    return "5701";
11503         case PHY_ID_BCM5703:    return "5703";
11504         case PHY_ID_BCM5704:    return "5704";
11505         case PHY_ID_BCM5705:    return "5705";
11506         case PHY_ID_BCM5750:    return "5750";
11507         case PHY_ID_BCM5752:    return "5752";
11508         case PHY_ID_BCM5714:    return "5714";
11509         case PHY_ID_BCM5780:    return "5780";
11510         case PHY_ID_BCM5755:    return "5755";
11511         case PHY_ID_BCM5787:    return "5787";
11512         case PHY_ID_BCM5756:    return "5722/5756";
11513         case PHY_ID_BCM5906:    return "5906";
11514         case PHY_ID_BCM8002:    return "8002/serdes";
11515         case 0:                 return "serdes";
11516         default:                return "unknown";
11517         };
11518 }
11519
11520 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11521 {
11522         if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11523                 strcpy(str, "PCI Express");
11524                 return str;
11525         } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11526                 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11527
11528                 strcpy(str, "PCIX:");
11529
11530                 if ((clock_ctrl == 7) ||
11531                     ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11532                      GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11533                         strcat(str, "133MHz");
11534                 else if (clock_ctrl == 0)
11535                         strcat(str, "33MHz");
11536                 else if (clock_ctrl == 2)
11537                         strcat(str, "50MHz");
11538                 else if (clock_ctrl == 4)
11539                         strcat(str, "66MHz");
11540                 else if (clock_ctrl == 6)
11541                         strcat(str, "100MHz");
11542         } else {
11543                 strcpy(str, "PCI:");
11544                 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11545                         strcat(str, "66MHz");
11546                 else
11547                         strcat(str, "33MHz");
11548         }
11549         if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11550                 strcat(str, ":32-bit");
11551         else
11552                 strcat(str, ":64-bit");
11553         return str;
11554 }
11555
11556 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
11557 {
11558         struct pci_dev *peer;
11559         unsigned int func, devnr = tp->pdev->devfn & ~7;
11560
11561         for (func = 0; func < 8; func++) {
11562                 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11563                 if (peer && peer != tp->pdev)
11564                         break;
11565                 pci_dev_put(peer);
11566         }
11567         /* 5704 can be configured in single-port mode, set peer to
11568          * tp->pdev in that case.
11569          */
11570         if (!peer) {
11571                 peer = tp->pdev;
11572                 return peer;
11573         }
11574
11575         /*
11576          * We don't need to keep the refcount elevated; there's no way
11577          * to remove one half of this device without removing the other
11578          */
11579         pci_dev_put(peer);
11580
11581         return peer;
11582 }
11583
11584 static void __devinit tg3_init_coal(struct tg3 *tp)
11585 {
11586         struct ethtool_coalesce *ec = &tp->coal;
11587
11588         memset(ec, 0, sizeof(*ec));
11589         ec->cmd = ETHTOOL_GCOALESCE;
11590         ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11591         ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11592         ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11593         ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11594         ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11595         ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11596         ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11597         ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11598         ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11599
11600         if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11601                                  HOSTCC_MODE_CLRTICK_TXBD)) {
11602                 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11603                 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11604                 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11605                 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11606         }
11607
11608         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11609                 ec->rx_coalesce_usecs_irq = 0;
11610                 ec->tx_coalesce_usecs_irq = 0;
11611                 ec->stats_block_coalesce_usecs = 0;
11612         }
11613 }
11614
11615 static int __devinit tg3_init_one(struct pci_dev *pdev,
11616                                   const struct pci_device_id *ent)
11617 {
11618         static int tg3_version_printed = 0;
11619         unsigned long tg3reg_base, tg3reg_len;
11620         struct net_device *dev;
11621         struct tg3 *tp;
11622         int i, err, pm_cap;
11623         char str[40];
11624         u64 dma_mask, persist_dma_mask;
11625
11626         if (tg3_version_printed++ == 0)
11627                 printk(KERN_INFO "%s", version);
11628
11629         err = pci_enable_device(pdev);
11630         if (err) {
11631                 printk(KERN_ERR PFX "Cannot enable PCI device, "
11632                        "aborting.\n");
11633                 return err;
11634         }
11635
11636         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11637                 printk(KERN_ERR PFX "Cannot find proper PCI device "
11638                        "base address, aborting.\n");
11639                 err = -ENODEV;
11640                 goto err_out_disable_pdev;
11641         }
11642
11643         err = pci_request_regions(pdev, DRV_MODULE_NAME);
11644         if (err) {
11645                 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11646                        "aborting.\n");
11647                 goto err_out_disable_pdev;
11648         }
11649
11650         pci_set_master(pdev);
11651
11652         /* Find power-management capability. */
11653         pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11654         if (pm_cap == 0) {
11655                 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11656                        "aborting.\n");
11657                 err = -EIO;
11658                 goto err_out_free_res;
11659         }
11660
11661         tg3reg_base = pci_resource_start(pdev, 0);
11662         tg3reg_len = pci_resource_len(pdev, 0);
11663
11664         dev = alloc_etherdev(sizeof(*tp));
11665         if (!dev) {
11666                 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11667                 err = -ENOMEM;
11668                 goto err_out_free_res;
11669         }
11670
11671         SET_MODULE_OWNER(dev);
11672         SET_NETDEV_DEV(dev, &pdev->dev);
11673
11674 #if TG3_VLAN_TAG_USED
11675         dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11676         dev->vlan_rx_register = tg3_vlan_rx_register;
11677         dev->vlan_rx_kill_vid = tg3_vlan_rx_kill_vid;
11678 #endif
11679
11680         tp = netdev_priv(dev);
11681         tp->pdev = pdev;
11682         tp->dev = dev;
11683         tp->pm_cap = pm_cap;
11684         tp->mac_mode = TG3_DEF_MAC_MODE;
11685         tp->rx_mode = TG3_DEF_RX_MODE;
11686         tp->tx_mode = TG3_DEF_TX_MODE;
11687         tp->mi_mode = MAC_MI_MODE_BASE;
11688         if (tg3_debug > 0)
11689                 tp->msg_enable = tg3_debug;
11690         else
11691                 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11692
11693         /* The word/byte swap controls here control register access byte
11694          * swapping.  DMA data byte swapping is controlled in the GRC_MODE
11695          * setting below.
11696          */
11697         tp->misc_host_ctrl =
11698                 MISC_HOST_CTRL_MASK_PCI_INT |
11699                 MISC_HOST_CTRL_WORD_SWAP |
11700                 MISC_HOST_CTRL_INDIR_ACCESS |
11701                 MISC_HOST_CTRL_PCISTATE_RW;
11702
11703         /* The NONFRM (non-frame) byte/word swap controls take effect
11704          * on descriptor entries, anything which isn't packet data.
11705          *
11706          * The StrongARM chips on the board (one for tx, one for rx)
11707          * are running in big-endian mode.
11708          */
11709         tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11710                         GRC_MODE_WSWAP_NONFRM_DATA);
11711 #ifdef __BIG_ENDIAN
11712         tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11713 #endif
11714         spin_lock_init(&tp->lock);
11715         spin_lock_init(&tp->indirect_lock);
11716         INIT_WORK(&tp->reset_task, tg3_reset_task, tp);
11717
11718         tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11719         if (tp->regs == 0UL) {
11720                 printk(KERN_ERR PFX "Cannot map device registers, "
11721                        "aborting.\n");
11722                 err = -ENOMEM;
11723                 goto err_out_free_dev;
11724         }
11725
11726         tg3_init_link_config(tp);
11727
11728         tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11729         tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11730         tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11731
11732         dev->open = tg3_open;
11733         dev->stop = tg3_close;
11734         dev->get_stats = tg3_get_stats;
11735         dev->set_multicast_list = tg3_set_rx_mode;
11736         dev->set_mac_address = tg3_set_mac_addr;
11737         dev->do_ioctl = tg3_ioctl;
11738         dev->tx_timeout = tg3_tx_timeout;
11739         dev->poll = tg3_poll;
11740         dev->ethtool_ops = &tg3_ethtool_ops;
11741         dev->weight = 64;
11742         dev->watchdog_timeo = TG3_TX_TIMEOUT;
11743         dev->change_mtu = tg3_change_mtu;
11744         dev->irq = pdev->irq;
11745 #ifdef CONFIG_NET_POLL_CONTROLLER
11746         dev->poll_controller = tg3_poll_controller;
11747 #endif
11748
11749         err = tg3_get_invariants(tp);
11750         if (err) {
11751                 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11752                        "aborting.\n");
11753                 goto err_out_iounmap;
11754         }
11755
11756         /* The EPB bridge inside 5714, 5715, and 5780 and any
11757          * device behind the EPB cannot support DMA addresses > 40-bit.
11758          * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11759          * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11760          * do DMA address check in tg3_start_xmit().
11761          */
11762         if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11763                 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11764         else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
11765                 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11766 #ifdef CONFIG_HIGHMEM
11767                 dma_mask = DMA_64BIT_MASK;
11768 #endif
11769         } else
11770                 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11771
11772         /* Configure DMA attributes. */
11773         if (dma_mask > DMA_32BIT_MASK) {
11774                 err = pci_set_dma_mask(pdev, dma_mask);
11775                 if (!err) {
11776                         dev->features |= NETIF_F_HIGHDMA;
11777                         err = pci_set_consistent_dma_mask(pdev,
11778                                                           persist_dma_mask);
11779                         if (err < 0) {
11780                                 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11781                                        "DMA for consistent allocations\n");
11782                                 goto err_out_iounmap;
11783                         }
11784                 }
11785         }
11786         if (err || dma_mask == DMA_32BIT_MASK) {
11787                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11788                 if (err) {
11789                         printk(KERN_ERR PFX "No usable DMA configuration, "
11790                                "aborting.\n");
11791                         goto err_out_iounmap;
11792                 }
11793         }
11794
11795         tg3_init_bufmgr_config(tp);
11796
11797 #if TG3_TSO_SUPPORT != 0
11798         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11799                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11800         }
11801         else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11802             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11803             tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
11804             (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11805                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11806         } else {
11807                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11808         }
11809
11810         /* TSO is on by default on chips that support hardware TSO.
11811          * Firmware TSO on older chips gives lower performance, so it
11812          * is off by default, but can be enabled using ethtool.
11813          */
11814         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11815                 dev->features |= NETIF_F_TSO;
11816                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11817                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
11818                         dev->features |= NETIF_F_TSO6;
11819         }
11820
11821 #endif
11822
11823         if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11824             !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11825             !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11826                 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11827                 tp->rx_pending = 63;
11828         }
11829
11830         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11831             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11832                 tp->pdev_peer = tg3_find_peer(tp);
11833
11834         err = tg3_get_device_address(tp);
11835         if (err) {
11836                 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11837                        "aborting.\n");
11838                 goto err_out_iounmap;
11839         }
11840
11841         /*
11842          * Reset chip in case UNDI or EFI driver did not shutdown
11843          * DMA self test will enable WDMAC and we'll see (spurious)
11844          * pending DMA on the PCI bus at that point.
11845          */
11846         if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
11847             (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
11848                 pci_save_state(tp->pdev);
11849                 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
11850                 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11851         }
11852
11853         err = tg3_test_dma(tp);
11854         if (err) {
11855                 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
11856                 goto err_out_iounmap;
11857         }
11858
11859         /* Tigon3 can do ipv4 only... and some chips have buggy
11860          * checksumming.
11861          */
11862         if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
11863                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11864                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
11865                         dev->features |= NETIF_F_HW_CSUM;
11866                 else
11867                         dev->features |= NETIF_F_IP_CSUM;
11868                 dev->features |= NETIF_F_SG;
11869                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11870         } else
11871                 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
11872
11873         /* flow control autonegotiation is default behavior */
11874         tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
11875
11876         tg3_init_coal(tp);
11877
11878         /* Now that we have fully setup the chip, save away a snapshot
11879          * of the PCI config space.  We need to restore this after
11880          * GRC_MISC_CFG core clock resets and some resume events.
11881          */
11882         pci_save_state(tp->pdev);
11883
11884         err = register_netdev(dev);
11885         if (err) {
11886                 printk(KERN_ERR PFX "Cannot register net device, "
11887                        "aborting.\n");
11888                 goto err_out_iounmap;
11889         }
11890
11891         pci_set_drvdata(pdev, dev);
11892
11893         printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ",
11894                dev->name,
11895                tp->board_part_number,
11896                tp->pci_chip_rev_id,
11897                tg3_phy_string(tp),
11898                tg3_bus_string(tp, str),
11899                (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000");
11900
11901         for (i = 0; i < 6; i++)
11902                 printk("%2.2x%c", dev->dev_addr[i],
11903                        i == 5 ? '\n' : ':');
11904
11905         printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
11906                "MIirq[%d] ASF[%d] Split[%d] WireSpeed[%d] "
11907                "TSOcap[%d] \n",
11908                dev->name,
11909                (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
11910                (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
11911                (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
11912                (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
11913                (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
11914                (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
11915                (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
11916         printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
11917                dev->name, tp->dma_rwctrl,
11918                (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
11919                 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
11920
11921         netif_carrier_off(tp->dev);
11922
11923         return 0;
11924
11925 err_out_iounmap:
11926         if (tp->regs) {
11927                 iounmap(tp->regs);
11928                 tp->regs = NULL;
11929         }
11930
11931 err_out_free_dev:
11932         free_netdev(dev);
11933
11934 err_out_free_res:
11935         pci_release_regions(pdev);
11936
11937 err_out_disable_pdev:
11938         pci_disable_device(pdev);
11939         pci_set_drvdata(pdev, NULL);
11940         return err;
11941 }
11942
11943 static void __devexit tg3_remove_one(struct pci_dev *pdev)
11944 {
11945         struct net_device *dev = pci_get_drvdata(pdev);
11946
11947         if (dev) {
11948                 struct tg3 *tp = netdev_priv(dev);
11949
11950                 flush_scheduled_work();
11951                 unregister_netdev(dev);
11952                 if (tp->regs) {
11953                         iounmap(tp->regs);
11954                         tp->regs = NULL;
11955                 }
11956                 free_netdev(dev);
11957                 pci_release_regions(pdev);
11958                 pci_disable_device(pdev);
11959                 pci_set_drvdata(pdev, NULL);
11960         }
11961 }
11962
11963 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
11964 {
11965         struct net_device *dev = pci_get_drvdata(pdev);
11966         struct tg3 *tp = netdev_priv(dev);
11967         int err;
11968
11969         if (!netif_running(dev))
11970                 return 0;
11971
11972         flush_scheduled_work();
11973         tg3_netif_stop(tp);
11974
11975         del_timer_sync(&tp->timer);
11976
11977         tg3_full_lock(tp, 1);
11978         tg3_disable_ints(tp);
11979         tg3_full_unlock(tp);
11980
11981         netif_device_detach(dev);
11982
11983         tg3_full_lock(tp, 0);
11984         tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11985         tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
11986         tg3_full_unlock(tp);
11987
11988         err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
11989         if (err) {
11990                 tg3_full_lock(tp, 0);
11991
11992                 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11993                 if (tg3_restart_hw(tp, 1))
11994                         goto out;
11995
11996                 tp->timer.expires = jiffies + tp->timer_offset;
11997                 add_timer(&tp->timer);
11998
11999                 netif_device_attach(dev);
12000                 tg3_netif_start(tp);
12001
12002 out:
12003                 tg3_full_unlock(tp);
12004         }
12005
12006         return err;
12007 }
12008
12009 static int tg3_resume(struct pci_dev *pdev)
12010 {
12011         struct net_device *dev = pci_get_drvdata(pdev);
12012         struct tg3 *tp = netdev_priv(dev);
12013         int err;
12014
12015         if (!netif_running(dev))
12016                 return 0;
12017
12018         pci_restore_state(tp->pdev);
12019
12020         err = tg3_set_power_state(tp, PCI_D0);
12021         if (err)
12022                 return err;
12023
12024         netif_device_attach(dev);
12025
12026         tg3_full_lock(tp, 0);
12027
12028         tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
12029         err = tg3_restart_hw(tp, 1);
12030         if (err)
12031                 goto out;
12032
12033         tp->timer.expires = jiffies + tp->timer_offset;
12034         add_timer(&tp->timer);
12035
12036         tg3_netif_start(tp);
12037
12038 out:
12039         tg3_full_unlock(tp);
12040
12041         return err;
12042 }
12043
12044 static struct pci_driver tg3_driver = {
12045         .name           = DRV_MODULE_NAME,
12046         .id_table       = tg3_pci_tbl,
12047         .probe          = tg3_init_one,
12048         .remove         = __devexit_p(tg3_remove_one),
12049         .suspend        = tg3_suspend,
12050         .resume         = tg3_resume
12051 };
12052
12053 static int __init tg3_init(void)
12054 {
12055         return pci_register_driver(&tg3_driver);
12056 }
12057
12058 static void __exit tg3_cleanup(void)
12059 {
12060         pci_unregister_driver(&tg3_driver);
12061 }
12062
12063 module_init(tg3_init);
12064 module_exit(tg3_cleanup);