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

   1 /*
   2  * Copyright (C) 2006-2007 Freescale Semicondutor, Inc. All rights reserved.
   3  *
   4  * Author: Shlomi Gridish <gridish@freescale.com>
   5  *         Li Yang <leoli@freescale.com>
   6  *
   7  * Description:
   8  * QE UCC Gigabit Ethernet Driver
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  */
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/errno.h>
  18 #include <linux/slab.h>
  19 #include <linux/stddef.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/netdevice.h>
  22 #include <linux/etherdevice.h>
  23 #include <linux/skbuff.h>
  24 #include <linux/spinlock.h>
  25 #include <linux/mm.h>
  26 #include <linux/dma-mapping.h>
  27 #include <linux/fsl_devices.h>
  28 #include <linux/mii.h>
  29 #include <linux/phy.h>
  30 #include <linux/workqueue.h>
  31 #include <linux/of_platform.h>
  32
  33 #include <asm/uaccess.h>
  34 #include <asm/irq.h>
  35 #include <asm/io.h>
  36 #include <asm/immap_qe.h>
  37 #include <asm/qe.h>
  38 #include <asm/ucc.h>
  39 #include <asm/ucc_fast.h>
  40
  41 #include "ucc_geth.h"
  42 #include "ucc_geth_mii.h"
  43
  44 #undef DEBUG
  45
  46 #define ugeth_printk(level, format, arg...)  \
  47         printk(level format "\n", ## arg)
  48
  49 #define ugeth_dbg(format, arg...)            \
  50         ugeth_printk(KERN_DEBUG , format , ## arg)
  51 #define ugeth_err(format, arg...)            \
  52         ugeth_printk(KERN_ERR , format , ## arg)
  53 #define ugeth_info(format, arg...)           \
  54         ugeth_printk(KERN_INFO , format , ## arg)
  55 #define ugeth_warn(format, arg...)           \
  56         ugeth_printk(KERN_WARNING , format , ## arg)
  57
  58 #ifdef UGETH_VERBOSE_DEBUG
  59 #define ugeth_vdbg ugeth_dbg
  60 #else
  61 #define ugeth_vdbg(fmt, args...) do { } while (0)
  62 #endif                          /* UGETH_VERBOSE_DEBUG */
  63 #define UGETH_MSG_DEFAULT       (NETIF_MSG_IFUP << 1 ) - 1
  64
  65
  66 static DEFINE_SPINLOCK(ugeth_lock);
  67
  68 static struct {
  69         u32 msg_enable;
  70 } debug = { -1 };
  71
  72 module_param_named(debug, debug.msg_enable, int, 0);
  73 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
  74
  75 static struct ucc_geth_info ugeth_primary_info = {
  76         .uf_info = {
  77                     .bd_mem_part = MEM_PART_SYSTEM,
  78                     .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
  79                     .max_rx_buf_length = 1536,
  80                     /* adjusted at startup if max-speed 1000 */
  81                     .urfs = UCC_GETH_URFS_INIT,
  82                     .urfet = UCC_GETH_URFET_INIT,
  83                     .urfset = UCC_GETH_URFSET_INIT,
  84                     .utfs = UCC_GETH_UTFS_INIT,
  85                     .utfet = UCC_GETH_UTFET_INIT,
  86                     .utftt = UCC_GETH_UTFTT_INIT,
  87                     .ufpt = 256,
  88                     .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
  89                     .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
  90                     .tenc = UCC_FAST_TX_ENCODING_NRZ,
  91                     .renc = UCC_FAST_RX_ENCODING_NRZ,
  92                     .tcrc = UCC_FAST_16_BIT_CRC,
  93                     .synl = UCC_FAST_SYNC_LEN_NOT_USED,
  94                     },
  95         .numQueuesTx = 1,
  96         .numQueuesRx = 1,
  97         .extendedFilteringChainPointer = ((uint32_t) NULL),
  98         .typeorlen = 3072 /*1536 */ ,
  99         .nonBackToBackIfgPart1 = 0x40,
 100         .nonBackToBackIfgPart2 = 0x60,
 101         .miminumInterFrameGapEnforcement = 0x50,
 102         .backToBackInterFrameGap = 0x60,
 103         .mblinterval = 128,
 104         .nortsrbytetime = 5,
 105         .fracsiz = 1,
 106         .strictpriorityq = 0xff,
 107         .altBebTruncation = 0xa,
 108         .excessDefer = 1,
 109         .maxRetransmission = 0xf,
 110         .collisionWindow = 0x37,
 111         .receiveFlowControl = 1,
 112         .transmitFlowControl = 1,
 113         .maxGroupAddrInHash = 4,
 114         .maxIndAddrInHash = 4,
 115         .prel = 7,
 116         .maxFrameLength = 1518,
 117         .minFrameLength = 64,
 118         .maxD1Length = 1520,
 119         .maxD2Length = 1520,
 120         .vlantype = 0x8100,
 121         .ecamptr = ((uint32_t) NULL),
 122         .eventRegMask = UCCE_OTHER,
 123         .pausePeriod = 0xf000,
 124         .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
 125         .bdRingLenTx = {
 126                         TX_BD_RING_LEN,
 127                         TX_BD_RING_LEN,
 128                         TX_BD_RING_LEN,
 129                         TX_BD_RING_LEN,
 130                         TX_BD_RING_LEN,
 131                         TX_BD_RING_LEN,
 132                         TX_BD_RING_LEN,
 133                         TX_BD_RING_LEN},
 134
 135         .bdRingLenRx = {
 136                         RX_BD_RING_LEN,
 137                         RX_BD_RING_LEN,
 138                         RX_BD_RING_LEN,
 139                         RX_BD_RING_LEN,
 140                         RX_BD_RING_LEN,
 141                         RX_BD_RING_LEN,
 142                         RX_BD_RING_LEN,
 143                         RX_BD_RING_LEN},
 144
 145         .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
 146         .largestexternallookupkeysize =
 147             QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
 148         .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
 149                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
 150                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
 151         .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
 152         .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
 153         .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
 154         .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
 155         .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
 156         .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
 157         .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
 158         .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 159         .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 160 };
 161
 162 static struct ucc_geth_info ugeth_info[8];
 163
 164 #ifdef DEBUG
 165 static void mem_disp(u8 *addr, int size)
 166 {
 167         u8 *i;
 168         int size16Aling = (size >> 4) << 4;
 169         int size4Aling = (size >> 2) << 2;
 170         int notAlign = 0;
 171         if (size % 16)
 172                 notAlign = 1;
 173
 174         for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
 175                 printk("0x%08x: %08x %08x %08x %08x\r\n",
 176                        (u32) i,
 177                        *((u32 *) (i)),
 178                        *((u32 *) (i + 4)),
 179                        *((u32 *) (i + 8)), *((u32 *) (i + 12)));
 180         if (notAlign == 1)
 181                 printk("0x%08x: ", (u32) i);
 182         for (; (u32) i < (u32) addr + size4Aling; i += 4)
 183                 printk("%08x ", *((u32 *) (i)));
 184         for (; (u32) i < (u32) addr + size; i++)
 185                 printk("%02x", *((u8 *) (i)));
 186         if (notAlign == 1)
 187                 printk("\r\n");
 188 }
 189 #endif /* DEBUG */
 190
 191 static struct list_head *dequeue(struct list_head *lh)
 192 {
 193         unsigned long flags;
 194
 195         spin_lock_irqsave(&ugeth_lock, flags);
 196         if (!list_empty(lh)) {
 197                 struct list_head *node = lh->next;
 198                 list_del(node);
 199                 spin_unlock_irqrestore(&ugeth_lock, flags);
 200                 return node;
 201         } else {
 202                 spin_unlock_irqrestore(&ugeth_lock, flags);
 203                 return NULL;
 204         }
 205 }
 206
 207 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
 208                 u8 __iomem *bd)
 209 {
 210         struct sk_buff *skb = NULL;
 211
 212         skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
 213                                   UCC_GETH_RX_DATA_BUF_ALIGNMENT);
 214
 215         if (skb == NULL)
 216                 return NULL;
 217
 218         /* We need the data buffer to be aligned properly.  We will reserve
 219          * as many bytes as needed to align the data properly
 220          */
 221         skb_reserve(skb,
 222                     UCC_GETH_RX_DATA_BUF_ALIGNMENT -
 223                     (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
 224                                               1)));
 225
 226         skb->dev = ugeth->dev;
 227
 228         out_be32(&((struct qe_bd __iomem *)bd)->buf,
 229                       dma_map_single(&ugeth->dev->dev,
 230                                      skb->data,
 231                                      ugeth->ug_info->uf_info.max_rx_buf_length +
 232                                      UCC_GETH_RX_DATA_BUF_ALIGNMENT,
 233                                      DMA_FROM_DEVICE));
 234
 235         out_be32((u32 __iomem *)bd,
 236                         (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
 237
 238         return skb;
 239 }
 240
 241 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
 242 {
 243         u8 __iomem *bd;
 244         u32 bd_status;
 245         struct sk_buff *skb;
 246         int i;
 247
 248         bd = ugeth->p_rx_bd_ring[rxQ];
 249         i = 0;
 250
 251         do {
 252                 bd_status = in_be32((u32 __iomem *)bd);
 253                 skb = get_new_skb(ugeth, bd);
 254
 255                 if (!skb)       /* If can not allocate data buffer,
 256                                 abort. Cleanup will be elsewhere */
 257                         return -ENOMEM;
 258
 259                 ugeth->rx_skbuff[rxQ][i] = skb;
 260
 261                 /* advance the BD pointer */
 262                 bd += sizeof(struct qe_bd);
 263                 i++;
 264         } while (!(bd_status & R_W));
 265
 266         return 0;
 267 }
 268
 269 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
 270                                   u32 *p_start,
 271                                   u8 num_entries,
 272                                   u32 thread_size,
 273                                   u32 thread_alignment,
 274                                   enum qe_risc_allocation risc,
 275                                   int skip_page_for_first_entry)
 276 {
 277         u32 init_enet_offset;
 278         u8 i;
 279         int snum;
 280
 281         for (i = 0; i < num_entries; i++) {
 282                 if ((snum = qe_get_snum()) < 0) {
 283                         if (netif_msg_ifup(ugeth))
 284                                 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
 285                         return snum;
 286                 }
 287                 if ((i == 0) && skip_page_for_first_entry)
 288                 /* First entry of Rx does not have page */
 289                         init_enet_offset = 0;
 290                 else {
 291                         init_enet_offset =
 292                             qe_muram_alloc(thread_size, thread_alignment);
 293                         if (IS_ERR_VALUE(init_enet_offset)) {
 294                                 if (netif_msg_ifup(ugeth))
 295                                         ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
 296                                 qe_put_snum((u8) snum);
 297                                 return -ENOMEM;
 298                         }
 299                 }
 300                 *(p_start++) =
 301                     ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
 302                     | risc;
 303         }
 304
 305         return 0;
 306 }
 307
 308 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
 309                                     u32 *p_start,
 310                                     u8 num_entries,
 311                                     enum qe_risc_allocation risc,
 312                                     int skip_page_for_first_entry)
 313 {
 314         u32 init_enet_offset;
 315         u8 i;
 316         int snum;
 317
 318         for (i = 0; i < num_entries; i++) {
 319                 u32 val = *p_start;
 320
 321                 /* Check that this entry was actually valid --
 322                 needed in case failed in allocations */
 323                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
 324                         snum =
 325                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
 326                             ENET_INIT_PARAM_SNUM_SHIFT;
 327                         qe_put_snum((u8) snum);
 328                         if (!((i == 0) && skip_page_for_first_entry)) {
 329                         /* First entry of Rx does not have page */
 330                                 init_enet_offset =
 331                                     (val & ENET_INIT_PARAM_PTR_MASK);
 332                                 qe_muram_free(init_enet_offset);
 333                         }
 334                         *p_start++ = 0;
 335                 }
 336         }
 337
 338         return 0;
 339 }
 340
 341 #ifdef DEBUG
 342 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
 343                                   u32 __iomem *p_start,
 344                                   u8 num_entries,
 345                                   u32 thread_size,
 346                                   enum qe_risc_allocation risc,
 347                                   int skip_page_for_first_entry)
 348 {
 349         u32 init_enet_offset;
 350         u8 i;
 351         int snum;
 352
 353         for (i = 0; i < num_entries; i++) {
 354                 u32 val = in_be32(p_start);
 355
 356                 /* Check that this entry was actually valid --
 357                 needed in case failed in allocations */
 358                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
 359                         snum =
 360                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
 361                             ENET_INIT_PARAM_SNUM_SHIFT;
 362                         qe_put_snum((u8) snum);
 363                         if (!((i == 0) && skip_page_for_first_entry)) {
 364                         /* First entry of Rx does not have page */
 365                                 init_enet_offset =
 366                                     (in_be32(p_start) &
 367                                      ENET_INIT_PARAM_PTR_MASK);
 368                                 ugeth_info("Init enet entry %d:", i);
 369                                 ugeth_info("Base address: 0x%08x",
 370                                            (u32)
 371                                            qe_muram_addr(init_enet_offset));
 372                                 mem_disp(qe_muram_addr(init_enet_offset),
 373                                          thread_size);
 374                         }
 375                         p_start++;
 376                 }
 377         }
 378
 379         return 0;
 380 }
 381 #endif
 382
 383 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
 384 {
 385         kfree(enet_addr_cont);
 386 }
 387
 388 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
 389 {
 390         out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
 391         out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
 392         out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
 393 }
 394
 395 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
 396 {
 397         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
 398
 399         if (!(paddr_num < NUM_OF_PADDRS)) {
 400                 ugeth_warn("%s: Illagel paddr_num.", __func__);
 401                 return -EINVAL;
 402         }
 403
 404         p_82xx_addr_filt =
 405             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
 406             addressfiltering;
 407
 408         /* Writing address ff.ff.ff.ff.ff.ff disables address
 409         recognition for this register */
 410         out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
 411         out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
 412         out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
 413
 414         return 0;
 415 }
 416
 417 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
 418                                 u8 *p_enet_addr)
 419 {
 420         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
 421         u32 cecr_subblock;
 422
 423         p_82xx_addr_filt =
 424             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
 425             addressfiltering;
 426
 427         cecr_subblock =
 428             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
 429
 430         /* Ethernet frames are defined in Little Endian mode,
 431         therefor to insert */
 432         /* the address to the hash (Big Endian mode), we reverse the bytes.*/
 433
 434         set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
 435
 436         qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
 437                      QE_CR_PROTOCOL_ETHERNET, 0);
 438 }
 439
 440 #ifdef CONFIG_UGETH_MAGIC_PACKET
 441 static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
 442 {
 443         struct ucc_fast_private *uccf;
 444         struct ucc_geth __iomem *ug_regs;
 445
 446         uccf = ugeth->uccf;
 447         ug_regs = ugeth->ug_regs;
 448
 449         /* Enable interrupts for magic packet detection */
 450         setbits32(uccf->p_uccm, UCC_GETH_UCCE_MPD);
 451
 452         /* Enable magic packet detection */
 453         setbits32(&ug_regs->maccfg2, MACCFG2_MPE);
 454 }
 455
 456 static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
 457 {
 458         struct ucc_fast_private *uccf;
 459         struct ucc_geth __iomem *ug_regs;
 460
 461         uccf = ugeth->uccf;
 462         ug_regs = ugeth->ug_regs;
 463
 464         /* Disable interrupts for magic packet detection */
 465         clrbits32(uccf->p_uccm, UCC_GETH_UCCE_MPD);
 466
 467         /* Disable magic packet detection */
 468         clrbits32(&ug_regs->maccfg2, MACCFG2_MPE);
 469 }
 470 #endif /* MAGIC_PACKET */
 471
 472 static inline int compare_addr(u8 **addr1, u8 **addr2)
 473 {
 474         return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
 475 }
 476
 477 #ifdef DEBUG
 478 static void get_statistics(struct ucc_geth_private *ugeth,
 479                            struct ucc_geth_tx_firmware_statistics *
 480                            tx_firmware_statistics,
 481                            struct ucc_geth_rx_firmware_statistics *
 482                            rx_firmware_statistics,
 483                            struct ucc_geth_hardware_statistics *hardware_statistics)
 484 {
 485         struct ucc_fast __iomem *uf_regs;
 486         struct ucc_geth __iomem *ug_regs;
 487         struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
 488         struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
 489
 490         ug_regs = ugeth->ug_regs;
 491         uf_regs = (struct ucc_fast __iomem *) ug_regs;
 492         p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
 493         p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
 494
 495         /* Tx firmware only if user handed pointer and driver actually
 496         gathers Tx firmware statistics */
 497         if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
 498                 tx_firmware_statistics->sicoltx =
 499                     in_be32(&p_tx_fw_statistics_pram->sicoltx);
 500                 tx_firmware_statistics->mulcoltx =
 501                     in_be32(&p_tx_fw_statistics_pram->mulcoltx);
 502                 tx_firmware_statistics->latecoltxfr =
 503                     in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
 504                 tx_firmware_statistics->frabortduecol =
 505                     in_be32(&p_tx_fw_statistics_pram->frabortduecol);
 506                 tx_firmware_statistics->frlostinmactxer =
 507                     in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
 508                 tx_firmware_statistics->carriersenseertx =
 509                     in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
 510                 tx_firmware_statistics->frtxok =
 511                     in_be32(&p_tx_fw_statistics_pram->frtxok);
 512                 tx_firmware_statistics->txfrexcessivedefer =
 513                     in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
 514                 tx_firmware_statistics->txpkts256 =
 515                     in_be32(&p_tx_fw_statistics_pram->txpkts256);
 516                 tx_firmware_statistics->txpkts512 =
 517                     in_be32(&p_tx_fw_statistics_pram->txpkts512);
 518                 tx_firmware_statistics->txpkts1024 =
 519                     in_be32(&p_tx_fw_statistics_pram->txpkts1024);
 520                 tx_firmware_statistics->txpktsjumbo =
 521                     in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
 522         }
 523
 524         /* Rx firmware only if user handed pointer and driver actually
 525          * gathers Rx firmware statistics */
 526         if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
 527                 int i;
 528                 rx_firmware_statistics->frrxfcser =
 529                     in_be32(&p_rx_fw_statistics_pram->frrxfcser);
 530                 rx_firmware_statistics->fraligner =
 531                     in_be32(&p_rx_fw_statistics_pram->fraligner);
 532                 rx_firmware_statistics->inrangelenrxer =
 533                     in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
 534                 rx_firmware_statistics->outrangelenrxer =
 535                     in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
 536                 rx_firmware_statistics->frtoolong =
 537                     in_be32(&p_rx_fw_statistics_pram->frtoolong);
 538                 rx_firmware_statistics->runt =
 539                     in_be32(&p_rx_fw_statistics_pram->runt);
 540                 rx_firmware_statistics->verylongevent =
 541                     in_be32(&p_rx_fw_statistics_pram->verylongevent);
 542                 rx_firmware_statistics->symbolerror =
 543                     in_be32(&p_rx_fw_statistics_pram->symbolerror);
 544                 rx_firmware_statistics->dropbsy =
 545                     in_be32(&p_rx_fw_statistics_pram->dropbsy);
 546                 for (i = 0; i < 0x8; i++)
 547                         rx_firmware_statistics->res0[i] =
 548                             p_rx_fw_statistics_pram->res0[i];
 549                 rx_firmware_statistics->mismatchdrop =
 550                     in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
 551                 rx_firmware_statistics->underpkts =
 552                     in_be32(&p_rx_fw_statistics_pram->underpkts);
 553                 rx_firmware_statistics->pkts256 =
 554                     in_be32(&p_rx_fw_statistics_pram->pkts256);
 555                 rx_firmware_statistics->pkts512 =
 556                     in_be32(&p_rx_fw_statistics_pram->pkts512);
 557                 rx_firmware_statistics->pkts1024 =
 558                     in_be32(&p_rx_fw_statistics_pram->pkts1024);
 559                 rx_firmware_statistics->pktsjumbo =
 560                     in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
 561                 rx_firmware_statistics->frlossinmacer =
 562                     in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
 563                 rx_firmware_statistics->pausefr =
 564                     in_be32(&p_rx_fw_statistics_pram->pausefr);
 565                 for (i = 0; i < 0x4; i++)
 566                         rx_firmware_statistics->res1[i] =
 567                             p_rx_fw_statistics_pram->res1[i];
 568                 rx_firmware_statistics->removevlan =
 569                     in_be32(&p_rx_fw_statistics_pram->removevlan);
 570                 rx_firmware_statistics->replacevlan =
 571                     in_be32(&p_rx_fw_statistics_pram->replacevlan);
 572                 rx_firmware_statistics->insertvlan =
 573                     in_be32(&p_rx_fw_statistics_pram->insertvlan);
 574         }
 575
 576         /* Hardware only if user handed pointer and driver actually
 577         gathers hardware statistics */
 578         if (hardware_statistics &&
 579             (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) {
 580                 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
 581                 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
 582                 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
 583                 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
 584                 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
 585                 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
 586                 hardware_statistics->txok = in_be32(&ug_regs->txok);
 587                 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
 588                 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
 589                 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
 590                 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
 591                 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
 592                 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
 593                 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
 594                 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
 595         }
 596 }
 597
 598 static void dump_bds(struct ucc_geth_private *ugeth)
 599 {
 600         int i;
 601         int length;
 602
 603         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
 604                 if (ugeth->p_tx_bd_ring[i]) {
 605                         length =
 606                             (ugeth->ug_info->bdRingLenTx[i] *
 607                              sizeof(struct qe_bd));
 608                         ugeth_info("TX BDs[%d]", i);
 609                         mem_disp(ugeth->p_tx_bd_ring[i], length);
 610                 }
 611         }
 612         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 613                 if (ugeth->p_rx_bd_ring[i]) {
 614                         length =
 615                             (ugeth->ug_info->bdRingLenRx[i] *
 616                              sizeof(struct qe_bd));
 617                         ugeth_info("RX BDs[%d]", i);
 618                         mem_disp(ugeth->p_rx_bd_ring[i], length);
 619                 }
 620         }
 621 }
 622
 623 static void dump_regs(struct ucc_geth_private *ugeth)
 624 {
 625         int i;
 626
 627         ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
 628         ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
 629
 630         ugeth_info("maccfg1    : addr - 0x%08x, val - 0x%08x",
 631                    (u32) & ugeth->ug_regs->maccfg1,
 632                    in_be32(&ugeth->ug_regs->maccfg1));
 633         ugeth_info("maccfg2    : addr - 0x%08x, val - 0x%08x",
 634                    (u32) & ugeth->ug_regs->maccfg2,
 635                    in_be32(&ugeth->ug_regs->maccfg2));
 636         ugeth_info("ipgifg     : addr - 0x%08x, val - 0x%08x",
 637                    (u32) & ugeth->ug_regs->ipgifg,
 638                    in_be32(&ugeth->ug_regs->ipgifg));
 639         ugeth_info("hafdup     : addr - 0x%08x, val - 0x%08x",
 640                    (u32) & ugeth->ug_regs->hafdup,
 641                    in_be32(&ugeth->ug_regs->hafdup));
 642         ugeth_info("ifctl      : addr - 0x%08x, val - 0x%08x",
 643                    (u32) & ugeth->ug_regs->ifctl,
 644                    in_be32(&ugeth->ug_regs->ifctl));
 645         ugeth_info("ifstat     : addr - 0x%08x, val - 0x%08x",
 646                    (u32) & ugeth->ug_regs->ifstat,
 647                    in_be32(&ugeth->ug_regs->ifstat));
 648         ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
 649                    (u32) & ugeth->ug_regs->macstnaddr1,
 650                    in_be32(&ugeth->ug_regs->macstnaddr1));
 651         ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
 652                    (u32) & ugeth->ug_regs->macstnaddr2,
 653                    in_be32(&ugeth->ug_regs->macstnaddr2));
 654         ugeth_info("uempr      : addr - 0x%08x, val - 0x%08x",
 655                    (u32) & ugeth->ug_regs->uempr,
 656                    in_be32(&ugeth->ug_regs->uempr));
 657         ugeth_info("utbipar    : addr - 0x%08x, val - 0x%08x",
 658                    (u32) & ugeth->ug_regs->utbipar,
 659                    in_be32(&ugeth->ug_regs->utbipar));
 660         ugeth_info("uescr      : addr - 0x%08x, val - 0x%04x",
 661                    (u32) & ugeth->ug_regs->uescr,
 662                    in_be16(&ugeth->ug_regs->uescr));
 663         ugeth_info("tx64       : addr - 0x%08x, val - 0x%08x",
 664                    (u32) & ugeth->ug_regs->tx64,
 665                    in_be32(&ugeth->ug_regs->tx64));
 666         ugeth_info("tx127      : addr - 0x%08x, val - 0x%08x",
 667                    (u32) & ugeth->ug_regs->tx127,
 668                    in_be32(&ugeth->ug_regs->tx127));
 669         ugeth_info("tx255      : addr - 0x%08x, val - 0x%08x",
 670                    (u32) & ugeth->ug_regs->tx255,
 671                    in_be32(&ugeth->ug_regs->tx255));
 672         ugeth_info("rx64       : addr - 0x%08x, val - 0x%08x",
 673                    (u32) & ugeth->ug_regs->rx64,
 674                    in_be32(&ugeth->ug_regs->rx64));
 675         ugeth_info("rx127      : addr - 0x%08x, val - 0x%08x",
 676                    (u32) & ugeth->ug_regs->rx127,
 677                    in_be32(&ugeth->ug_regs->rx127));
 678         ugeth_info("rx255      : addr - 0x%08x, val - 0x%08x",
 679                    (u32) & ugeth->ug_regs->rx255,
 680                    in_be32(&ugeth->ug_regs->rx255));
 681         ugeth_info("txok       : addr - 0x%08x, val - 0x%08x",
 682                    (u32) & ugeth->ug_regs->txok,
 683                    in_be32(&ugeth->ug_regs->txok));
 684         ugeth_info("txcf       : addr - 0x%08x, val - 0x%04x",
 685                    (u32) & ugeth->ug_regs->txcf,
 686                    in_be16(&ugeth->ug_regs->txcf));
 687         ugeth_info("tmca       : addr - 0x%08x, val - 0x%08x",
 688                    (u32) & ugeth->ug_regs->tmca,
 689                    in_be32(&ugeth->ug_regs->tmca));
 690         ugeth_info("tbca       : addr - 0x%08x, val - 0x%08x",
 691                    (u32) & ugeth->ug_regs->tbca,
 692                    in_be32(&ugeth->ug_regs->tbca));
 693         ugeth_info("rxfok      : addr - 0x%08x, val - 0x%08x",
 694                    (u32) & ugeth->ug_regs->rxfok,
 695                    in_be32(&ugeth->ug_regs->rxfok));
 696         ugeth_info("rxbok      : addr - 0x%08x, val - 0x%08x",
 697                    (u32) & ugeth->ug_regs->rxbok,
 698                    in_be32(&ugeth->ug_regs->rxbok));
 699         ugeth_info("rbyt       : addr - 0x%08x, val - 0x%08x",
 700                    (u32) & ugeth->ug_regs->rbyt,
 701                    in_be32(&ugeth->ug_regs->rbyt));
 702         ugeth_info("rmca       : addr - 0x%08x, val - 0x%08x",
 703                    (u32) & ugeth->ug_regs->rmca,
 704                    in_be32(&ugeth->ug_regs->rmca));
 705         ugeth_info("rbca       : addr - 0x%08x, val - 0x%08x",
 706                    (u32) & ugeth->ug_regs->rbca,
 707                    in_be32(&ugeth->ug_regs->rbca));
 708         ugeth_info("scar       : addr - 0x%08x, val - 0x%08x",
 709                    (u32) & ugeth->ug_regs->scar,
 710                    in_be32(&ugeth->ug_regs->scar));
 711         ugeth_info("scam       : addr - 0x%08x, val - 0x%08x",
 712                    (u32) & ugeth->ug_regs->scam,
 713                    in_be32(&ugeth->ug_regs->scam));
 714
 715         if (ugeth->p_thread_data_tx) {
 716                 int numThreadsTxNumerical;
 717                 switch (ugeth->ug_info->numThreadsTx) {
 718                 case UCC_GETH_NUM_OF_THREADS_1:
 719                         numThreadsTxNumerical = 1;
 720                         break;
 721                 case UCC_GETH_NUM_OF_THREADS_2:
 722                         numThreadsTxNumerical = 2;
 723                         break;
 724                 case UCC_GETH_NUM_OF_THREADS_4:
 725                         numThreadsTxNumerical = 4;
 726                         break;
 727                 case UCC_GETH_NUM_OF_THREADS_6:
 728                         numThreadsTxNumerical = 6;
 729                         break;
 730                 case UCC_GETH_NUM_OF_THREADS_8:
 731                         numThreadsTxNumerical = 8;
 732                         break;
 733                 default:
 734                         numThreadsTxNumerical = 0;
 735                         break;
 736                 }
 737
 738                 ugeth_info("Thread data TXs:");
 739                 ugeth_info("Base address: 0x%08x",
 740                            (u32) ugeth->p_thread_data_tx);
 741                 for (i = 0; i < numThreadsTxNumerical; i++) {
 742                         ugeth_info("Thread data TX[%d]:", i);
 743                         ugeth_info("Base address: 0x%08x",
 744                                    (u32) & ugeth->p_thread_data_tx[i]);
 745                         mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
 746                                  sizeof(struct ucc_geth_thread_data_tx));
 747                 }
 748         }
 749         if (ugeth->p_thread_data_rx) {
 750                 int numThreadsRxNumerical;
 751                 switch (ugeth->ug_info->numThreadsRx) {
 752                 case UCC_GETH_NUM_OF_THREADS_1:
 753                         numThreadsRxNumerical = 1;
 754                         break;
 755                 case UCC_GETH_NUM_OF_THREADS_2:
 756                         numThreadsRxNumerical = 2;
 757                         break;
 758                 case UCC_GETH_NUM_OF_THREADS_4:
 759                         numThreadsRxNumerical = 4;
 760                         break;
 761                 case UCC_GETH_NUM_OF_THREADS_6:
 762                         numThreadsRxNumerical = 6;
 763                         break;
 764                 case UCC_GETH_NUM_OF_THREADS_8:
 765                         numThreadsRxNumerical = 8;
 766                         break;
 767                 default:
 768                         numThreadsRxNumerical = 0;
 769                         break;
 770                 }
 771
 772                 ugeth_info("Thread data RX:");
 773                 ugeth_info("Base address: 0x%08x",
 774                            (u32) ugeth->p_thread_data_rx);
 775                 for (i = 0; i < numThreadsRxNumerical; i++) {
 776                         ugeth_info("Thread data RX[%d]:", i);
 777                         ugeth_info("Base address: 0x%08x",
 778                                    (u32) & ugeth->p_thread_data_rx[i]);
 779                         mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
 780                                  sizeof(struct ucc_geth_thread_data_rx));
 781                 }
 782         }
 783         if (ugeth->p_exf_glbl_param) {
 784                 ugeth_info("EXF global param:");
 785                 ugeth_info("Base address: 0x%08x",
 786                            (u32) ugeth->p_exf_glbl_param);
 787                 mem_disp((u8 *) ugeth->p_exf_glbl_param,
 788                          sizeof(*ugeth->p_exf_glbl_param));
 789         }
 790         if (ugeth->p_tx_glbl_pram) {
 791                 ugeth_info("TX global param:");
 792                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
 793                 ugeth_info("temoder      : addr - 0x%08x, val - 0x%04x",
 794                            (u32) & ugeth->p_tx_glbl_pram->temoder,
 795                            in_be16(&ugeth->p_tx_glbl_pram->temoder));
 796                 ugeth_info("sqptr        : addr - 0x%08x, val - 0x%08x",
 797                            (u32) & ugeth->p_tx_glbl_pram->sqptr,
 798                            in_be32(&ugeth->p_tx_glbl_pram->sqptr));
 799                 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
 800                            (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
 801                            in_be32(&ugeth->p_tx_glbl_pram->
 802                                    schedulerbasepointer));
 803                 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
 804                            (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
 805                            in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
 806                 ugeth_info("tstate       : addr - 0x%08x, val - 0x%08x",
 807                            (u32) & ugeth->p_tx_glbl_pram->tstate,
 808                            in_be32(&ugeth->p_tx_glbl_pram->tstate));
 809                 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
 810                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
 811                            ugeth->p_tx_glbl_pram->iphoffset[0]);
 812                 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
 813                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
 814                            ugeth->p_tx_glbl_pram->iphoffset[1]);
 815                 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
 816                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
 817                            ugeth->p_tx_glbl_pram->iphoffset[2]);
 818                 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
 819                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
 820                            ugeth->p_tx_glbl_pram->iphoffset[3]);
 821                 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
 822                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
 823                            ugeth->p_tx_glbl_pram->iphoffset[4]);
 824                 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
 825                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
 826                            ugeth->p_tx_glbl_pram->iphoffset[5]);
 827                 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
 828                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
 829                            ugeth->p_tx_glbl_pram->iphoffset[6]);
 830                 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
 831                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
 832                            ugeth->p_tx_glbl_pram->iphoffset[7]);
 833                 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
 834                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
 835                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
 836                 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
 837                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
 838                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
 839                 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
 840                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
 841                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
 842                 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
 843                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
 844                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
 845                 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
 846                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
 847                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
 848                 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
 849                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
 850                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
 851                 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
 852                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
 853                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
 854                 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
 855                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
 856                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
 857                 ugeth_info("tqptr        : addr - 0x%08x, val - 0x%08x",
 858                            (u32) & ugeth->p_tx_glbl_pram->tqptr,
 859                            in_be32(&ugeth->p_tx_glbl_pram->tqptr));
 860         }
 861         if (ugeth->p_rx_glbl_pram) {
 862                 ugeth_info("RX global param:");
 863                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
 864                 ugeth_info("remoder         : addr - 0x%08x, val - 0x%08x",
 865                            (u32) & ugeth->p_rx_glbl_pram->remoder,
 866                            in_be32(&ugeth->p_rx_glbl_pram->remoder));
 867                 ugeth_info("rqptr           : addr - 0x%08x, val - 0x%08x",
 868                            (u32) & ugeth->p_rx_glbl_pram->rqptr,
 869                            in_be32(&ugeth->p_rx_glbl_pram->rqptr));
 870                 ugeth_info("typeorlen       : addr - 0x%08x, val - 0x%04x",
 871                            (u32) & ugeth->p_rx_glbl_pram->typeorlen,
 872                            in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
 873                 ugeth_info("rxgstpack       : addr - 0x%08x, val - 0x%02x",
 874                            (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
 875                            ugeth->p_rx_glbl_pram->rxgstpack);
 876                 ugeth_info("rxrmonbaseptr   : addr - 0x%08x, val - 0x%08x",
 877                            (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
 878                            in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
 879                 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
 880                            (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
 881                            in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
 882                 ugeth_info("rstate          : addr - 0x%08x, val - 0x%02x",
 883                            (u32) & ugeth->p_rx_glbl_pram->rstate,
 884                            ugeth->p_rx_glbl_pram->rstate);
 885                 ugeth_info("mrblr           : addr - 0x%08x, val - 0x%04x",
 886                            (u32) & ugeth->p_rx_glbl_pram->mrblr,
 887                            in_be16(&ugeth->p_rx_glbl_pram->mrblr));
 888                 ugeth_info("rbdqptr         : addr - 0x%08x, val - 0x%08x",
 889                            (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
 890                            in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
 891                 ugeth_info("mflr            : addr - 0x%08x, val - 0x%04x",
 892                            (u32) & ugeth->p_rx_glbl_pram->mflr,
 893                            in_be16(&ugeth->p_rx_glbl_pram->mflr));
 894                 ugeth_info("minflr          : addr - 0x%08x, val - 0x%04x",
 895                            (u32) & ugeth->p_rx_glbl_pram->minflr,
 896                            in_be16(&ugeth->p_rx_glbl_pram->minflr));
 897                 ugeth_info("maxd1           : addr - 0x%08x, val - 0x%04x",
 898                            (u32) & ugeth->p_rx_glbl_pram->maxd1,
 899                            in_be16(&ugeth->p_rx_glbl_pram->maxd1));
 900                 ugeth_info("maxd2           : addr - 0x%08x, val - 0x%04x",
 901                            (u32) & ugeth->p_rx_glbl_pram->maxd2,
 902                            in_be16(&ugeth->p_rx_glbl_pram->maxd2));
 903                 ugeth_info("ecamptr         : addr - 0x%08x, val - 0x%08x",
 904                            (u32) & ugeth->p_rx_glbl_pram->ecamptr,
 905                            in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
 906                 ugeth_info("l2qt            : addr - 0x%08x, val - 0x%08x",
 907                            (u32) & ugeth->p_rx_glbl_pram->l2qt,
 908                            in_be32(&ugeth->p_rx_glbl_pram->l2qt));
 909                 ugeth_info("l3qt[0]         : addr - 0x%08x, val - 0x%08x",
 910                            (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
 911                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
 912                 ugeth_info("l3qt[1]         : addr - 0x%08x, val - 0x%08x",
 913                            (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
 914                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
 915                 ugeth_info("l3qt[2]         : addr - 0x%08x, val - 0x%08x",
 916                            (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
 917                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
 918                 ugeth_info("l3qt[3]         : addr - 0x%08x, val - 0x%08x",
 919                            (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
 920                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
 921                 ugeth_info("l3qt[4]         : addr - 0x%08x, val - 0x%08x",
 922                            (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
 923                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
 924                 ugeth_info("l3qt[5]         : addr - 0x%08x, val - 0x%08x",
 925                            (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
 926                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
 927                 ugeth_info("l3qt[6]         : addr - 0x%08x, val - 0x%08x",
 928                            (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
 929                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
 930                 ugeth_info("l3qt[7]         : addr - 0x%08x, val - 0x%08x",
 931                            (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
 932                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
 933                 ugeth_info("vlantype        : addr - 0x%08x, val - 0x%04x",
 934                            (u32) & ugeth->p_rx_glbl_pram->vlantype,
 935                            in_be16(&ugeth->p_rx_glbl_pram->vlantype));
 936                 ugeth_info("vlantci         : addr - 0x%08x, val - 0x%04x",
 937                            (u32) & ugeth->p_rx_glbl_pram->vlantci,
 938                            in_be16(&ugeth->p_rx_glbl_pram->vlantci));
 939                 for (i = 0; i < 64; i++)
 940                         ugeth_info
 941                     ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
 942                              i,
 943                              (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
 944                              ugeth->p_rx_glbl_pram->addressfiltering[i]);
 945                 ugeth_info("exfGlobalParam  : addr - 0x%08x, val - 0x%08x",
 946                            (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
 947                            in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
 948         }
 949         if (ugeth->p_send_q_mem_reg) {
 950                 ugeth_info("Send Q memory registers:");
 951                 ugeth_info("Base address: 0x%08x",
 952                            (u32) ugeth->p_send_q_mem_reg);
 953                 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
 954                         ugeth_info("SQQD[%d]:", i);
 955                         ugeth_info("Base address: 0x%08x",
 956                                    (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
 957                         mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
 958                                  sizeof(struct ucc_geth_send_queue_qd));
 959                 }
 960         }
 961         if (ugeth->p_scheduler) {
 962                 ugeth_info("Scheduler:");
 963                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
 964                 mem_disp((u8 *) ugeth->p_scheduler,
 965                          sizeof(*ugeth->p_scheduler));
 966         }
 967         if (ugeth->p_tx_fw_statistics_pram) {
 968                 ugeth_info("TX FW statistics pram:");
 969                 ugeth_info("Base address: 0x%08x",
 970                            (u32) ugeth->p_tx_fw_statistics_pram);
 971                 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
 972                          sizeof(*ugeth->p_tx_fw_statistics_pram));
 973         }
 974         if (ugeth->p_rx_fw_statistics_pram) {
 975                 ugeth_info("RX FW statistics pram:");
 976                 ugeth_info("Base address: 0x%08x",
 977                            (u32) ugeth->p_rx_fw_statistics_pram);
 978                 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
 979                          sizeof(*ugeth->p_rx_fw_statistics_pram));
 980         }
 981         if (ugeth->p_rx_irq_coalescing_tbl) {
 982                 ugeth_info("RX IRQ coalescing tables:");
 983                 ugeth_info("Base address: 0x%08x",
 984                            (u32) ugeth->p_rx_irq_coalescing_tbl);
 985                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 986                         ugeth_info("RX IRQ coalescing table entry[%d]:", i);
 987                         ugeth_info("Base address: 0x%08x",
 988                                    (u32) & ugeth->p_rx_irq_coalescing_tbl->
 989                                    coalescingentry[i]);
 990                         ugeth_info
 991                 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
 992                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
 993                              coalescingentry[i].interruptcoalescingmaxvalue,
 994                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
 995                                      coalescingentry[i].
 996                                      interruptcoalescingmaxvalue));
 997                         ugeth_info
 998                 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
 999                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1000                              coalescingentry[i].interruptcoalescingcounter,
1001                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1002                                      coalescingentry[i].
1003                                      interruptcoalescingcounter));
1004                 }
1005         }
1006         if (ugeth->p_rx_bd_qs_tbl) {
1007                 ugeth_info("RX BD QS tables:");
1008                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1009                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1010                         ugeth_info("RX BD QS table[%d]:", i);
1011                         ugeth_info("Base address: 0x%08x",
1012                                    (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1013                         ugeth_info
1014                             ("bdbaseptr        : addr - 0x%08x, val - 0x%08x",
1015                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1016                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1017                         ugeth_info
1018                             ("bdptr            : addr - 0x%08x, val - 0x%08x",
1019                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1020                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1021                         ugeth_info
1022                             ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1023                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1024                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1025                                      externalbdbaseptr));
1026                         ugeth_info
1027                             ("externalbdptr    : addr - 0x%08x, val - 0x%08x",
1028                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1029                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1030                         ugeth_info("ucode RX Prefetched BDs:");
1031                         ugeth_info("Base address: 0x%08x",
1032                                    (u32)
1033                                    qe_muram_addr(in_be32
1034                                                  (&ugeth->p_rx_bd_qs_tbl[i].
1035                                                   bdbaseptr)));
1036                         mem_disp((u8 *)
1037                                  qe_muram_addr(in_be32
1038                                                (&ugeth->p_rx_bd_qs_tbl[i].
1039                                                 bdbaseptr)),
1040                                  sizeof(struct ucc_geth_rx_prefetched_bds));
1041                 }
1042         }
1043         if (ugeth->p_init_enet_param_shadow) {
1044                 int size;
1045                 ugeth_info("Init enet param shadow:");
1046                 ugeth_info("Base address: 0x%08x",
1047                            (u32) ugeth->p_init_enet_param_shadow);
1048                 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1049                          sizeof(*ugeth->p_init_enet_param_shadow));
1050
1051                 size = sizeof(struct ucc_geth_thread_rx_pram);
1052                 if (ugeth->ug_info->rxExtendedFiltering) {
1053                         size +=
1054                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1055                         if (ugeth->ug_info->largestexternallookupkeysize ==
1056                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1057                                 size +=
1058                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1059                         if (ugeth->ug_info->largestexternallookupkeysize ==
1060                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1061                                 size +=
1062                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1063                 }
1064
1065                 dump_init_enet_entries(ugeth,
1066                                        &(ugeth->p_init_enet_param_shadow->
1067                                          txthread[0]),
1068                                        ENET_INIT_PARAM_MAX_ENTRIES_TX,
1069                                        sizeof(struct ucc_geth_thread_tx_pram),
1070                                        ugeth->ug_info->riscTx, 0);
1071                 dump_init_enet_entries(ugeth,
1072                                        &(ugeth->p_init_enet_param_shadow->
1073                                          rxthread[0]),
1074                                        ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1075                                        ugeth->ug_info->riscRx, 1);
1076         }
1077 }
1078 #endif /* DEBUG */
1079
1080 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1081                                   u32 __iomem *maccfg1_register,
1082                                   u32 __iomem *maccfg2_register)
1083 {
1084         out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1085         out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1086         out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1087 }
1088
1089 static int init_half_duplex_params(int alt_beb,
1090                                    int back_pressure_no_backoff,
1091                                    int no_backoff,
1092                                    int excess_defer,
1093                                    u8 alt_beb_truncation,
1094                                    u8 max_retransmissions,
1095                                    u8 collision_window,
1096                                    u32 __iomem *hafdup_register)
1097 {
1098         u32 value = 0;
1099
1100         if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1101             (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1102             (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1103                 return -EINVAL;
1104
1105         value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1106
1107         if (alt_beb)
1108                 value |= HALFDUP_ALT_BEB;
1109         if (back_pressure_no_backoff)
1110                 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1111         if (no_backoff)
1112                 value |= HALFDUP_NO_BACKOFF;
1113         if (excess_defer)
1114                 value |= HALFDUP_EXCESSIVE_DEFER;
1115
1116         value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1117
1118         value |= collision_window;
1119
1120         out_be32(hafdup_register, value);
1121         return 0;
1122 }
1123
1124 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1125                                        u8 non_btb_ipg,
1126                                        u8 min_ifg,
1127                                        u8 btb_ipg,
1128                                        u32 __iomem *ipgifg_register)
1129 {
1130         u32 value = 0;
1131
1132         /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1133         IPG part 2 */
1134         if (non_btb_cs_ipg > non_btb_ipg)
1135                 return -EINVAL;
1136
1137         if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1138             (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1139             /*(min_ifg        > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1140             (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1141                 return -EINVAL;
1142
1143         value |=
1144             ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1145              IPGIFG_NBTB_CS_IPG_MASK);
1146         value |=
1147             ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1148              IPGIFG_NBTB_IPG_MASK);
1149         value |=
1150             ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1151              IPGIFG_MIN_IFG_MASK);
1152         value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1153
1154         out_be32(ipgifg_register, value);
1155         return 0;
1156 }
1157
1158 int init_flow_control_params(u32 automatic_flow_control_mode,
1159                                     int rx_flow_control_enable,
1160                                     int tx_flow_control_enable,
1161                                     u16 pause_period,
1162                                     u16 extension_field,
1163                                     u32 __iomem *upsmr_register,
1164                                     u32 __iomem *uempr_register,
1165                                     u32 __iomem *maccfg1_register)
1166 {
1167         u32 value = 0;
1168
1169         /* Set UEMPR register */
1170         value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1171         value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1172         out_be32(uempr_register, value);
1173
1174         /* Set UPSMR register */
1175         setbits32(upsmr_register, automatic_flow_control_mode);
1176
1177         value = in_be32(maccfg1_register);
1178         if (rx_flow_control_enable)
1179                 value |= MACCFG1_FLOW_RX;
1180         if (tx_flow_control_enable)
1181                 value |= MACCFG1_FLOW_TX;
1182         out_be32(maccfg1_register, value);
1183
1184         return 0;
1185 }
1186
1187 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1188                                              int auto_zero_hardware_statistics,
1189                                              u32 __iomem *upsmr_register,
1190                                              u16 __iomem *uescr_register)
1191 {
1192         u16 uescr_value = 0;
1193
1194         /* Enable hardware statistics gathering if requested */
1195         if (enable_hardware_statistics)
1196                 setbits32(upsmr_register, UCC_GETH_UPSMR_HSE);
1197
1198         /* Clear hardware statistics counters */
1199         uescr_value = in_be16(uescr_register);
1200         uescr_value |= UESCR_CLRCNT;
1201         /* Automatically zero hardware statistics counters on read,
1202         if requested */
1203         if (auto_zero_hardware_statistics)
1204                 uescr_value |= UESCR_AUTOZ;
1205         out_be16(uescr_register, uescr_value);
1206
1207         return 0;
1208 }
1209
1210 static int init_firmware_statistics_gathering_mode(int
1211                 enable_tx_firmware_statistics,
1212                 int enable_rx_firmware_statistics,
1213                 u32 __iomem *tx_rmon_base_ptr,
1214                 u32 tx_firmware_statistics_structure_address,
1215                 u32 __iomem *rx_rmon_base_ptr,
1216                 u32 rx_firmware_statistics_structure_address,
1217                 u16 __iomem *temoder_register,
1218                 u32 __iomem *remoder_register)
1219 {
1220         /* Note: this function does not check if */
1221         /* the parameters it receives are NULL   */
1222
1223         if (enable_tx_firmware_statistics) {
1224                 out_be32(tx_rmon_base_ptr,
1225                          tx_firmware_statistics_structure_address);
1226                 setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE);
1227         }
1228
1229         if (enable_rx_firmware_statistics) {
1230                 out_be32(rx_rmon_base_ptr,
1231                          rx_firmware_statistics_structure_address);
1232                 setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE);
1233         }
1234
1235         return 0;
1236 }
1237
1238 static int init_mac_station_addr_regs(u8 address_byte_0,
1239                                       u8 address_byte_1,
1240                                       u8 address_byte_2,
1241                                       u8 address_byte_3,
1242                                       u8 address_byte_4,
1243                                       u8 address_byte_5,
1244                                       u32 __iomem *macstnaddr1_register,
1245                                       u32 __iomem *macstnaddr2_register)
1246 {
1247         u32 value = 0;
1248
1249         /* Example: for a station address of 0x12345678ABCD, */
1250         /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1251
1252         /* MACSTNADDR1 Register: */
1253
1254         /* 0                      7   8                      15  */
1255         /* station address byte 5     station address byte 4     */
1256         /* 16                     23  24                     31  */
1257         /* station address byte 3     station address byte 2     */
1258         value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1259         value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1260         value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1261         value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1262
1263         out_be32(macstnaddr1_register, value);
1264
1265         /* MACSTNADDR2 Register: */
1266
1267         /* 0                      7   8                      15  */
1268         /* station address byte 1     station address byte 0     */
1269         /* 16                     23  24                     31  */
1270         /*         reserved                   reserved           */
1271         value = 0;
1272         value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1273         value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1274
1275         out_be32(macstnaddr2_register, value);
1276
1277         return 0;
1278 }
1279
1280 static int init_check_frame_length_mode(int length_check,
1281                                         u32 __iomem *maccfg2_register)
1282 {
1283         u32 value = 0;
1284
1285         value = in_be32(maccfg2_register);
1286
1287         if (length_check)
1288                 value |= MACCFG2_LC;
1289         else
1290                 value &= ~MACCFG2_LC;
1291
1292         out_be32(maccfg2_register, value);
1293         return 0;
1294 }
1295
1296 static int init_preamble_length(u8 preamble_length,
1297                                 u32 __iomem *maccfg2_register)
1298 {
1299         if ((preamble_length < 3) || (preamble_length > 7))
1300                 return -EINVAL;
1301
1302         clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK,
1303                         preamble_length << MACCFG2_PREL_SHIFT);
1304
1305         return 0;
1306 }
1307
1308 static int init_rx_parameters(int reject_broadcast,
1309                               int receive_short_frames,
1310                               int promiscuous, u32 __iomem *upsmr_register)
1311 {
1312         u32 value = 0;
1313
1314         value = in_be32(upsmr_register);
1315
1316         if (reject_broadcast)
1317                 value |= UCC_GETH_UPSMR_BRO;
1318         else
1319                 value &= ~UCC_GETH_UPSMR_BRO;
1320
1321         if (receive_short_frames)
1322                 value |= UCC_GETH_UPSMR_RSH;
1323         else
1324                 value &= ~UCC_GETH_UPSMR_RSH;
1325
1326         if (promiscuous)
1327                 value |= UCC_GETH_UPSMR_PRO;
1328         else
1329                 value &= ~UCC_GETH_UPSMR_PRO;
1330
1331         out_be32(upsmr_register, value);
1332
1333         return 0;
1334 }
1335
1336 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1337                                 u16 __iomem *mrblr_register)
1338 {
1339         /* max_rx_buf_len value must be a multiple of 128 */
1340         if ((max_rx_buf_len == 0)
1341             || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1342                 return -EINVAL;
1343
1344         out_be16(mrblr_register, max_rx_buf_len);
1345         return 0;
1346 }
1347
1348 static int init_min_frame_len(u16 min_frame_length,
1349                               u16 __iomem *minflr_register,
1350                               u16 __iomem *mrblr_register)
1351 {
1352         u16 mrblr_value = 0;
1353
1354         mrblr_value = in_be16(mrblr_register);
1355         if (min_frame_length >= (mrblr_value - 4))
1356                 return -EINVAL;
1357
1358         out_be16(minflr_register, min_frame_length);
1359         return 0;
1360 }
1361
1362 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1363 {
1364         struct ucc_geth_info *ug_info;
1365         struct ucc_geth __iomem *ug_regs;
1366         struct ucc_fast __iomem *uf_regs;
1367         int ret_val;
1368         u32 upsmr, maccfg2, tbiBaseAddress;
1369         u16 value;
1370
1371         ugeth_vdbg("%s: IN", __func__);
1372
1373         ug_info = ugeth->ug_info;
1374         ug_regs = ugeth->ug_regs;
1375         uf_regs = ugeth->uccf->uf_regs;
1376
1377         /*                    Set MACCFG2                    */
1378         maccfg2 = in_be32(&ug_regs->maccfg2);
1379         maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1380         if ((ugeth->max_speed == SPEED_10) ||
1381             (ugeth->max_speed == SPEED_100))
1382                 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1383         else if (ugeth->max_speed == SPEED_1000)
1384                 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1385         maccfg2 |= ug_info->padAndCrc;
1386         out_be32(&ug_regs->maccfg2, maccfg2);
1387
1388         /*                    Set UPSMR                      */
1389         upsmr = in_be32(&uf_regs->upsmr);
1390         upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
1391                    UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
1392         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1393             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1394             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1395             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1396             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1397             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1398                 upsmr |= UCC_GETH_UPSMR_RPM;
1399                 switch (ugeth->max_speed) {
1400                 case SPEED_10:
1401                         upsmr |= UCC_GETH_UPSMR_R10M;
1402                         /* FALLTHROUGH */
1403                 case SPEED_100:
1404                         if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1405                                 upsmr |= UCC_GETH_UPSMR_RMM;
1406                 }
1407         }
1408         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1409             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1410                 upsmr |= UCC_GETH_UPSMR_TBIM;
1411         }
1412         out_be32(&uf_regs->upsmr, upsmr);
1413
1414         /* Disable autonegotiation in tbi mode, because by default it
1415         comes up in autonegotiation mode. */
1416         /* Note that this depends on proper setting in utbipar register. */
1417         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1418             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1419                 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1420                 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1421                 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1422                 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1423                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
1424                 value &= ~0x1000;       /* Turn off autonegotiation */
1425                 ugeth->phydev->bus->write(ugeth->phydev->bus,
1426                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1427         }
1428
1429         init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1430
1431         ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1432         if (ret_val != 0) {
1433                 if (netif_msg_probe(ugeth))
1434                         ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1435                              __func__);
1436                 return ret_val;
1437         }
1438
1439         return 0;
1440 }
1441
1442 /* Called every time the controller might need to be made
1443  * aware of new link state.  The PHY code conveys this
1444  * information through variables in the ugeth structure, and this
1445  * function converts those variables into the appropriate
1446  * register values, and can bring down the device if needed.
1447  */
1448
1449 static void adjust_link(struct net_device *dev)
1450 {
1451         struct ucc_geth_private *ugeth = netdev_priv(dev);
1452         struct ucc_geth __iomem *ug_regs;
1453         struct ucc_fast __iomem *uf_regs;
1454         struct phy_device *phydev = ugeth->phydev;
1455         unsigned long flags;
1456         int new_state = 0;
1457
1458         ug_regs = ugeth->ug_regs;
1459         uf_regs = ugeth->uccf->uf_regs;
1460
1461         spin_lock_irqsave(&ugeth->lock, flags);
1462
1463         if (phydev->link) {
1464                 u32 tempval = in_be32(&ug_regs->maccfg2);
1465                 u32 upsmr = in_be32(&uf_regs->upsmr);
1466                 /* Now we make sure that we can be in full duplex mode.
1467                  * If not, we operate in half-duplex mode. */
1468                 if (phydev->duplex != ugeth->oldduplex) {
1469                         new_state = 1;
1470                         if (!(phydev->duplex))
1471                                 tempval &= ~(MACCFG2_FDX);
1472                         else
1473                                 tempval |= MACCFG2_FDX;
1474                         ugeth->oldduplex = phydev->duplex;
1475                 }
1476
1477                 if (phydev->speed != ugeth->oldspeed) {
1478                         new_state = 1;
1479                         switch (phydev->speed) {
1480                         case SPEED_1000:
1481                                 tempval = ((tempval &
1482                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1483                                             MACCFG2_INTERFACE_MODE_BYTE);
1484                                 break;
1485                         case SPEED_100:
1486                         case SPEED_10:
1487                                 tempval = ((tempval &
1488                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1489                                             MACCFG2_INTERFACE_MODE_NIBBLE);
1490                                 /* if reduced mode, re-set UPSMR.R10M */
1491                                 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1492                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1493                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1494                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1495                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1496                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1497                                         if (phydev->speed == SPEED_10)
1498                                                 upsmr |= UCC_GETH_UPSMR_R10M;
1499                                         else
1500                                                 upsmr &= ~UCC_GETH_UPSMR_R10M;
1501                                 }
1502                                 break;
1503                         default:
1504                                 if (netif_msg_link(ugeth))
1505                                         ugeth_warn(
1506                                                 "%s: Ack!  Speed (%d) is not 10/100/1000!",
1507                                                 dev->name, phydev->speed);
1508                                 break;
1509                         }
1510                         ugeth->oldspeed = phydev->speed;
1511                 }
1512
1513                 out_be32(&ug_regs->maccfg2, tempval);
1514                 out_be32(&uf_regs->upsmr, upsmr);
1515
1516                 if (!ugeth->oldlink) {
1517                         new_state = 1;
1518                         ugeth->oldlink = 1;
1519                 }
1520         } else if (ugeth->oldlink) {
1521                         new_state = 1;
1522                         ugeth->oldlink = 0;
1523                         ugeth->oldspeed = 0;
1524                         ugeth->oldduplex = -1;
1525         }
1526
1527         if (new_state && netif_msg_link(ugeth))
1528                 phy_print_status(phydev);
1529
1530         spin_unlock_irqrestore(&ugeth->lock, flags);
1531 }
1532
1533 /* Configure the PHY for dev.
1534  * returns 0 if success.  -1 if failure
1535  */
1536 static int init_phy(struct net_device *dev)
1537 {
1538         struct ucc_geth_private *priv = netdev_priv(dev);
1539         struct ucc_geth_info *ug_info = priv->ug_info;
1540         struct phy_device *phydev;
1541
1542         priv->oldlink = 0;
1543         priv->oldspeed = 0;
1544         priv->oldduplex = -1;
1545
1546         phydev = phy_connect(dev, ug_info->phy_bus_id, &adjust_link, 0,
1547                              priv->phy_interface);
1548
1549         if (IS_ERR(phydev)) {
1550                 printk("%s: Could not attach to PHY\n", dev->name);
1551                 return PTR_ERR(phydev);
1552         }
1553
1554         phydev->supported &= (ADVERTISED_10baseT_Half |
1555                                  ADVERTISED_10baseT_Full |
1556                                  ADVERTISED_100baseT_Half |
1557                                  ADVERTISED_100baseT_Full);
1558
1559         if (priv->max_speed == SPEED_1000)
1560                 phydev->supported |= ADVERTISED_1000baseT_Full;
1561
1562         phydev->advertising = phydev->supported;
1563
1564         priv->phydev = phydev;
1565
1566         return 0;
1567 }
1568
1569
1570
1571 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1572 {
1573         struct ucc_fast_private *uccf;
1574         u32 cecr_subblock;
1575         u32 temp;
1576         int i = 10;
1577
1578         uccf = ugeth->uccf;
1579
1580         /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1581         clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA);
1582         out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA);  /* clear by writing 1 */
1583
1584         /* Issue host command */
1585         cecr_subblock =
1586             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1587         qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1588                      QE_CR_PROTOCOL_ETHERNET, 0);
1589
1590         /* Wait for command to complete */
1591         do {
1592                 msleep(10);
1593                 temp = in_be32(uccf->p_ucce);
1594         } while (!(temp & UCC_GETH_UCCE_GRA) && --i);
1595
1596         uccf->stopped_tx = 1;
1597
1598         return 0;
1599 }
1600
1601 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1602 {
1603         struct ucc_fast_private *uccf;
1604         u32 cecr_subblock;
1605         u8 temp;
1606         int i = 10;
1607
1608         uccf = ugeth->uccf;
1609
1610         /* Clear acknowledge bit */
1611         temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1612         temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1613         out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1614
1615         /* Keep issuing command and checking acknowledge bit until
1616         it is asserted, according to spec */
1617         do {
1618                 /* Issue host command */
1619                 cecr_subblock =
1620                     ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1621                                                 ucc_num);
1622                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1623                              QE_CR_PROTOCOL_ETHERNET, 0);
1624                 msleep(10);
1625                 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1626         } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1627
1628         uccf->stopped_rx = 1;
1629
1630         return 0;
1631 }
1632
1633 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1634 {
1635         struct ucc_fast_private *uccf;
1636         u32 cecr_subblock;
1637
1638         uccf = ugeth->uccf;
1639
1640         cecr_subblock =
1641             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1642         qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1643         uccf->stopped_tx = 0;
1644
1645         return 0;
1646 }
1647
1648 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1649 {
1650         struct ucc_fast_private *uccf;
1651         u32 cecr_subblock;
1652
1653         uccf = ugeth->uccf;
1654
1655         cecr_subblock =
1656             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1657         qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1658                      0);
1659         uccf->stopped_rx = 0;
1660
1661         return 0;
1662 }
1663
1664 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1665 {
1666         struct ucc_fast_private *uccf;
1667         int enabled_tx, enabled_rx;
1668
1669         uccf = ugeth->uccf;
1670
1671         /* check if the UCC number is in range. */
1672         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1673                 if (netif_msg_probe(ugeth))
1674                         ugeth_err("%s: ucc_num out of range.", __func__);
1675                 return -EINVAL;
1676         }
1677
1678         enabled_tx = uccf->enabled_tx;
1679         enabled_rx = uccf->enabled_rx;
1680
1681         /* Get Tx and Rx going again, in case this channel was actively
1682         disabled. */
1683         if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1684                 ugeth_restart_tx(ugeth);
1685         if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1686                 ugeth_restart_rx(ugeth);
1687
1688         ucc_fast_enable(uccf, mode);    /* OK to do even if not disabled */
1689
1690         return 0;
1691
1692 }
1693
1694 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1695 {
1696         struct ucc_fast_private *uccf;
1697
1698         uccf = ugeth->uccf;
1699
1700         /* check if the UCC number is in range. */
1701         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1702                 if (netif_msg_probe(ugeth))
1703                         ugeth_err("%s: ucc_num out of range.", __func__);
1704                 return -EINVAL;
1705         }
1706
1707         /* Stop any transmissions */
1708         if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1709                 ugeth_graceful_stop_tx(ugeth);
1710
1711         /* Stop any receptions */
1712         if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1713                 ugeth_graceful_stop_rx(ugeth);
1714
1715         ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1716
1717         return 0;
1718 }
1719
1720 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1721 {
1722 #ifdef DEBUG
1723         ucc_fast_dump_regs(ugeth->uccf);
1724         dump_regs(ugeth);
1725         dump_bds(ugeth);
1726 #endif
1727 }
1728
1729 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1730                                                        ugeth,
1731                                                        enum enet_addr_type
1732                                                        enet_addr_type)
1733 {
1734         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1735         struct ucc_fast_private *uccf;
1736         enum comm_dir comm_dir;
1737         struct list_head *p_lh;
1738         u16 i, num;
1739         u32 __iomem *addr_h;
1740         u32 __iomem *addr_l;
1741         u8 *p_counter;
1742
1743         uccf = ugeth->uccf;
1744
1745         p_82xx_addr_filt =
1746             (struct ucc_geth_82xx_address_filtering_pram __iomem *)
1747             ugeth->p_rx_glbl_pram->addressfiltering;
1748
1749         if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
1750                 addr_h = &(p_82xx_addr_filt->gaddr_h);
1751                 addr_l = &(p_82xx_addr_filt->gaddr_l);
1752                 p_lh = &ugeth->group_hash_q;
1753                 p_counter = &(ugeth->numGroupAddrInHash);
1754         } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
1755                 addr_h = &(p_82xx_addr_filt->iaddr_h);
1756                 addr_l = &(p_82xx_addr_filt->iaddr_l);
1757                 p_lh = &ugeth->ind_hash_q;
1758                 p_counter = &(ugeth->numIndAddrInHash);
1759         } else
1760                 return -EINVAL;
1761
1762         comm_dir = 0;
1763         if (uccf->enabled_tx)
1764                 comm_dir |= COMM_DIR_TX;
1765         if (uccf->enabled_rx)
1766                 comm_dir |= COMM_DIR_RX;
1767         if (comm_dir)
1768                 ugeth_disable(ugeth, comm_dir);
1769
1770         /* Clear the hash table. */
1771         out_be32(addr_h, 0x00000000);
1772         out_be32(addr_l, 0x00000000);
1773
1774         if (!p_lh)
1775                 return 0;
1776
1777         num = *p_counter;
1778
1779         /* Delete all remaining CQ elements */
1780         for (i = 0; i < num; i++)
1781                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
1782
1783         *p_counter = 0;
1784
1785         if (comm_dir)
1786                 ugeth_enable(ugeth, comm_dir);
1787
1788         return 0;
1789 }
1790
1791 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
1792                                                     u8 paddr_num)
1793 {
1794         ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
1795         return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
1796 }
1797
1798 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
1799 {
1800         u16 i, j;
1801         u8 __iomem *bd;
1802
1803         if (!ugeth)
1804                 return;
1805
1806         if (ugeth->uccf) {
1807                 ucc_fast_free(ugeth->uccf);
1808                 ugeth->uccf = NULL;
1809         }
1810
1811         if (ugeth->p_thread_data_tx) {
1812                 qe_muram_free(ugeth->thread_dat_tx_offset);
1813                 ugeth->p_thread_data_tx = NULL;
1814         }
1815         if (ugeth->p_thread_data_rx) {
1816                 qe_muram_free(ugeth->thread_dat_rx_offset);
1817                 ugeth->p_thread_data_rx = NULL;
1818         }
1819         if (ugeth->p_exf_glbl_param) {
1820                 qe_muram_free(ugeth->exf_glbl_param_offset);
1821                 ugeth->p_exf_glbl_param = NULL;
1822         }
1823         if (ugeth->p_rx_glbl_pram) {
1824                 qe_muram_free(ugeth->rx_glbl_pram_offset);
1825                 ugeth->p_rx_glbl_pram = NULL;
1826         }
1827         if (ugeth->p_tx_glbl_pram) {
1828                 qe_muram_free(ugeth->tx_glbl_pram_offset);
1829                 ugeth->p_tx_glbl_pram = NULL;
1830         }
1831         if (ugeth->p_send_q_mem_reg) {
1832                 qe_muram_free(ugeth->send_q_mem_reg_offset);
1833                 ugeth->p_send_q_mem_reg = NULL;
1834         }
1835         if (ugeth->p_scheduler) {
1836                 qe_muram_free(ugeth->scheduler_offset);
1837                 ugeth->p_scheduler = NULL;
1838         }
1839         if (ugeth->p_tx_fw_statistics_pram) {
1840                 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
1841                 ugeth->p_tx_fw_statistics_pram = NULL;
1842         }
1843         if (ugeth->p_rx_fw_statistics_pram) {
1844                 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
1845                 ugeth->p_rx_fw_statistics_pram = NULL;
1846         }
1847         if (ugeth->p_rx_irq_coalescing_tbl) {
1848                 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
1849                 ugeth->p_rx_irq_coalescing_tbl = NULL;
1850         }
1851         if (ugeth->p_rx_bd_qs_tbl) {
1852                 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
1853                 ugeth->p_rx_bd_qs_tbl = NULL;
1854         }
1855         if (ugeth->p_init_enet_param_shadow) {
1856                 return_init_enet_entries(ugeth,
1857                                          &(ugeth->p_init_enet_param_shadow->
1858                                            rxthread[0]),
1859                                          ENET_INIT_PARAM_MAX_ENTRIES_RX,
1860                                          ugeth->ug_info->riscRx, 1);
1861                 return_init_enet_entries(ugeth,
1862                                          &(ugeth->p_init_enet_param_shadow->
1863                                            txthread[0]),
1864                                          ENET_INIT_PARAM_MAX_ENTRIES_TX,
1865                                          ugeth->ug_info->riscTx, 0);
1866                 kfree(ugeth->p_init_enet_param_shadow);
1867                 ugeth->p_init_enet_param_shadow = NULL;
1868         }
1869         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1870                 bd = ugeth->p_tx_bd_ring[i];
1871                 if (!bd)
1872                         continue;
1873                 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
1874                         if (ugeth->tx_skbuff[i][j]) {
1875                                 dma_unmap_single(&ugeth->dev->dev,
1876                                                  in_be32(&((struct qe_bd __iomem *)bd)->buf),
1877                                                  (in_be32((u32 __iomem *)bd) &
1878                                                   BD_LENGTH_MASK),
1879                                                  DMA_TO_DEVICE);
1880                                 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
1881                                 ugeth->tx_skbuff[i][j] = NULL;
1882                         }
1883                 }
1884
1885                 kfree(ugeth->tx_skbuff[i]);
1886
1887                 if (ugeth->p_tx_bd_ring[i]) {
1888                         if (ugeth->ug_info->uf_info.bd_mem_part ==
1889                             MEM_PART_SYSTEM)
1890                                 kfree((void *)ugeth->tx_bd_ring_offset[i]);
1891                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
1892                                  MEM_PART_MURAM)
1893                                 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
1894                         ugeth->p_tx_bd_ring[i] = NULL;
1895                 }
1896         }
1897         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1898                 if (ugeth->p_rx_bd_ring[i]) {
1899                         /* Return existing data buffers in ring */
1900                         bd = ugeth->p_rx_bd_ring[i];
1901                         for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
1902                                 if (ugeth->rx_skbuff[i][j]) {
1903                                         dma_unmap_single(&ugeth->dev->dev,
1904                                                 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1905                                                 ugeth->ug_info->
1906                                                 uf_info.max_rx_buf_length +
1907                                                 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
1908                                                 DMA_FROM_DEVICE);
1909                                         dev_kfree_skb_any(
1910                                                 ugeth->rx_skbuff[i][j]);
1911                                         ugeth->rx_skbuff[i][j] = NULL;
1912                                 }
1913                                 bd += sizeof(struct qe_bd);
1914                         }
1915
1916                         kfree(ugeth->rx_skbuff[i]);
1917
1918                         if (ugeth->ug_info->uf_info.bd_mem_part ==
1919                             MEM_PART_SYSTEM)
1920                                 kfree((void *)ugeth->rx_bd_ring_offset[i]);
1921                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
1922                                  MEM_PART_MURAM)
1923                                 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
1924                         ugeth->p_rx_bd_ring[i] = NULL;
1925                 }
1926         }
1927         while (!list_empty(&ugeth->group_hash_q))
1928                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1929                                         (dequeue(&ugeth->group_hash_q)));
1930         while (!list_empty(&ugeth->ind_hash_q))
1931                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1932                                         (dequeue(&ugeth->ind_hash_q)));
1933         if (ugeth->ug_regs) {
1934                 iounmap(ugeth->ug_regs);
1935                 ugeth->ug_regs = NULL;
1936         }
1937 }
1938
1939 static void ucc_geth_set_multi(struct net_device *dev)
1940 {
1941         struct ucc_geth_private *ugeth;
1942         struct dev_mc_list *dmi;
1943         struct ucc_fast __iomem *uf_regs;
1944         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1945         int i;
1946
1947         ugeth = netdev_priv(dev);
1948
1949         uf_regs = ugeth->uccf->uf_regs;
1950
1951         if (dev->flags & IFF_PROMISC) {
1952                 setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
1953         } else {
1954                 clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
1955
1956                 p_82xx_addr_filt =
1957                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
1958                     p_rx_glbl_pram->addressfiltering;
1959
1960                 if (dev->flags & IFF_ALLMULTI) {
1961                         /* Catch all multicast addresses, so set the
1962                          * filter to all 1's.
1963                          */
1964                         out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
1965                         out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
1966                 } else {
1967                         /* Clear filter and add the addresses in the list.
1968                          */
1969                         out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
1970                         out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
1971
1972                         dmi = dev->mc_list;
1973
1974                         for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
1975
1976                                 /* Only support group multicast for now.
1977                                  */
1978                                 if (!(dmi->dmi_addr[0] & 1))
1979                                         continue;
1980
1981                                 /* Ask CPM to run CRC and set bit in
1982                                  * filter mask.
1983                                  */
1984                                 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
1985                         }
1986                 }
1987         }
1988 }
1989
1990 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
1991 {
1992         struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
1993         struct phy_device *phydev = ugeth->phydev;
1994
1995         ugeth_vdbg("%s: IN", __func__);
1996
1997         /* Disable the controller */
1998         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
1999
2000         /* Tell the kernel the link is down */
2001         phy_stop(phydev);
2002
2003         /* Mask all interrupts */
2004         out_be32(ugeth->uccf->p_uccm, 0x00000000);
2005
2006         /* Clear all interrupts */
2007         out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2008
2009         /* Disable Rx and Tx */
2010         clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2011
2012         ucc_geth_memclean(ugeth);
2013 }
2014
2015 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2016 {
2017         struct ucc_geth_info *ug_info;
2018         struct ucc_fast_info *uf_info;
2019         int i;
2020
2021         ug_info = ugeth->ug_info;
2022         uf_info = &ug_info->uf_info;
2023
2024         if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2025               (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2026                 if (netif_msg_probe(ugeth))
2027                         ugeth_err("%s: Bad memory partition value.",
2028                                         __func__);
2029                 return -EINVAL;
2030         }
2031
2032         /* Rx BD lengths */
2033         for (i = 0; i < ug_info->numQueuesRx; i++) {
2034                 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2035                     (ug_info->bdRingLenRx[i] %
2036                      UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2037                         if (netif_msg_probe(ugeth))
2038                                 ugeth_err
2039                                     ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2040                                         __func__);
2041                         return -EINVAL;
2042                 }
2043         }
2044
2045         /* Tx BD lengths */
2046         for (i = 0; i < ug_info->numQueuesTx; i++) {
2047                 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2048                         if (netif_msg_probe(ugeth))
2049                                 ugeth_err
2050                                     ("%s: Tx BD ring length must be no smaller than 2.",
2051                                      __func__);
2052                         return -EINVAL;
2053                 }
2054         }
2055
2056         /* mrblr */
2057         if ((uf_info->max_rx_buf_length == 0) ||
2058             (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2059                 if (netif_msg_probe(ugeth))
2060                         ugeth_err
2061                             ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2062                              __func__);
2063                 return -EINVAL;
2064         }
2065
2066         /* num Tx queues */
2067         if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2068                 if (netif_msg_probe(ugeth))
2069                         ugeth_err("%s: number of tx queues too large.", __func__);
2070                 return -EINVAL;
2071         }
2072
2073         /* num Rx queues */
2074         if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2075                 if (netif_msg_probe(ugeth))
2076                         ugeth_err("%s: number of rx queues too large.", __func__);
2077                 return -EINVAL;
2078         }
2079
2080         /* l2qt */
2081         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2082                 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2083                         if (netif_msg_probe(ugeth))
2084                                 ugeth_err
2085                                     ("%s: VLAN priority table entry must not be"
2086                                         " larger than number of Rx queues.",
2087                                      __func__);
2088                         return -EINVAL;
2089                 }
2090         }
2091
2092         /* l3qt */
2093         for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2094                 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2095                         if (netif_msg_probe(ugeth))
2096                                 ugeth_err
2097                                     ("%s: IP priority table entry must not be"
2098                                         " larger than number of Rx queues.",
2099                                      __func__);
2100                         return -EINVAL;
2101                 }
2102         }
2103
2104         if (ug_info->cam && !ug_info->ecamptr) {
2105                 if (netif_msg_probe(ugeth))
2106                         ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2107                                   __func__);
2108                 return -EINVAL;
2109         }
2110
2111         if ((ug_info->numStationAddresses !=
2112              UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2113             && ug_info->rxExtendedFiltering) {
2114                 if (netif_msg_probe(ugeth))
2115                         ugeth_err("%s: Number of station addresses greater than 1 "
2116                                   "not allowed in extended parsing mode.",
2117                                   __func__);
2118                 return -EINVAL;
2119         }
2120
2121         /* Generate uccm_mask for receive */
2122         uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2123         for (i = 0; i < ug_info->numQueuesRx; i++)
2124                 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
2125
2126         for (i = 0; i < ug_info->numQueuesTx; i++)
2127                 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
2128         /* Initialize the general fast UCC block. */
2129         if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2130                 if (netif_msg_probe(ugeth))
2131                         ugeth_err("%s: Failed to init uccf.", __func__);
2132                 return -ENOMEM;
2133         }
2134
2135         ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2136         if (!ugeth->ug_regs) {
2137                 if (netif_msg_probe(ugeth))
2138                         ugeth_err("%s: Failed to ioremap regs.", __func__);
2139                 return -ENOMEM;
2140         }
2141
2142         return 0;
2143 }
2144
2145 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2146 {
2147         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2148         struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2149         struct ucc_fast_private *uccf;
2150         struct ucc_geth_info *ug_info;
2151         struct ucc_fast_info *uf_info;
2152         struct ucc_fast __iomem *uf_regs;
2153         struct ucc_geth __iomem *ug_regs;
2154         int ret_val = -EINVAL;
2155         u32 remoder = UCC_GETH_REMODER_INIT;
2156         u32 init_enet_pram_offset, cecr_subblock, command;
2157         u32 ifstat, i, j, size, l2qt, l3qt, length;
2158         u16 temoder = UCC_GETH_TEMODER_INIT;
2159         u16 test;
2160         u8 function_code = 0;
2161         u8 __iomem *bd;
2162         u8 __iomem *endOfRing;
2163         u8 numThreadsRxNumerical, numThreadsTxNumerical;
2164
2165         ugeth_vdbg("%s: IN", __func__);
2166         uccf = ugeth->uccf;
2167         ug_info = ugeth->ug_info;
2168         uf_info = &ug_info->uf_info;
2169         uf_regs = uccf->uf_regs;
2170         ug_regs = ugeth->ug_regs;
2171
2172         switch (ug_info->numThreadsRx) {
2173         case UCC_GETH_NUM_OF_THREADS_1:
2174                 numThreadsRxNumerical = 1;
2175                 break;
2176         case UCC_GETH_NUM_OF_THREADS_2:
2177                 numThreadsRxNumerical = 2;
2178                 break;
2179         case UCC_GETH_NUM_OF_THREADS_4:
2180                 numThreadsRxNumerical = 4;
2181                 break;
2182         case UCC_GETH_NUM_OF_THREADS_6:
2183                 numThreadsRxNumerical = 6;
2184                 break;
2185         case UCC_GETH_NUM_OF_THREADS_8:
2186                 numThreadsRxNumerical = 8;
2187                 break;
2188         default:
2189                 if (netif_msg_ifup(ugeth))
2190                         ugeth_err("%s: Bad number of Rx threads value.",
2191                                         __func__);
2192                 return -EINVAL;
2193                 break;
2194         }
2195
2196         switch (ug_info->numThreadsTx) {
2197         case UCC_GETH_NUM_OF_THREADS_1:
2198                 numThreadsTxNumerical = 1;
2199                 break;
2200         case UCC_GETH_NUM_OF_THREADS_2:
2201                 numThreadsTxNumerical = 2;
2202                 break;
2203         case UCC_GETH_NUM_OF_THREADS_4:
2204                 numThreadsTxNumerical = 4;
2205                 break;
2206         case UCC_GETH_NUM_OF_THREADS_6:
2207                 numThreadsTxNumerical = 6;
2208                 break;
2209         case UCC_GETH_NUM_OF_THREADS_8:
2210                 numThreadsTxNumerical = 8;
2211                 break;
2212         default:
2213                 if (netif_msg_ifup(ugeth))
2214                         ugeth_err("%s: Bad number of Tx threads value.",
2215                                         __func__);
2216                 return -EINVAL;
2217                 break;
2218         }
2219
2220         /* Calculate rx_extended_features */
2221         ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2222             ug_info->ipAddressAlignment ||
2223             (ug_info->numStationAddresses !=
2224              UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2225
2226         ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2227             (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2228             || (ug_info->vlanOperationNonTagged !=
2229                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2230
2231         init_default_reg_vals(&uf_regs->upsmr,
2232                               &ug_regs->maccfg1, &ug_regs->maccfg2);
2233
2234         /*                    Set UPSMR                      */
2235         /* For more details see the hardware spec.           */
2236         init_rx_parameters(ug_info->bro,
2237                            ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2238
2239         /* We're going to ignore other registers for now, */
2240         /* except as needed to get up and running         */
2241
2242         /*                    Set MACCFG1                    */
2243         /* For more details see the hardware spec.           */
2244         init_flow_control_params(ug_info->aufc,
2245                                  ug_info->receiveFlowControl,
2246                                  ug_info->transmitFlowControl,
2247                                  ug_info->pausePeriod,
2248                                  ug_info->extensionField,
2249                                  &uf_regs->upsmr,
2250                                  &ug_regs->uempr, &ug_regs->maccfg1);
2251
2252         setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2253
2254         /*                    Set IPGIFG                     */
2255         /* For more details see the hardware spec.           */
2256         ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2257                                               ug_info->nonBackToBackIfgPart2,
2258                                               ug_info->
2259                                               miminumInterFrameGapEnforcement,
2260                                               ug_info->backToBackInterFrameGap,
2261                                               &ug_regs->ipgifg);
2262         if (ret_val != 0) {
2263                 if (netif_msg_ifup(ugeth))
2264                         ugeth_err("%s: IPGIFG initialization parameter too large.",
2265                                   __func__);
2266                 return ret_val;
2267         }
2268
2269         /*                    Set HAFDUP                     */
2270         /* For more details see the hardware spec.           */
2271         ret_val = init_half_duplex_params(ug_info->altBeb,
2272                                           ug_info->backPressureNoBackoff,
2273                                           ug_info->noBackoff,
2274                                           ug_info->excessDefer,
2275                                           ug_info->altBebTruncation,
2276                                           ug_info->maxRetransmission,
2277                                           ug_info->collisionWindow,
2278                                           &ug_regs->hafdup);
2279         if (ret_val != 0) {
2280                 if (netif_msg_ifup(ugeth))
2281                         ugeth_err("%s: Half Duplex initialization parameter too large.",
2282                           __func__);
2283                 return ret_val;
2284         }
2285
2286         /*                    Set IFSTAT                     */
2287         /* For more details see the hardware spec.           */
2288         /* Read only - resets upon read                      */
2289         ifstat = in_be32(&ug_regs->ifstat);
2290
2291         /*                    Clear UEMPR                    */
2292         /* For more details see the hardware spec.           */
2293         out_be32(&ug_regs->uempr, 0);
2294
2295         /*                    Set UESCR                      */
2296         /* For more details see the hardware spec.           */
2297         init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2298                                 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2299                                 0, &uf_regs->upsmr, &ug_regs->uescr);
2300
2301         /* Allocate Tx bds */
2302         for (j = 0; j < ug_info->numQueuesTx; j++) {
2303                 /* Allocate in multiple of
2304                    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2305                    according to spec */
2306                 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2307                           / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2308                     * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2309                 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2310                     UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2311                         length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2312                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2313                         u32 align = 4;
2314                         if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2315                                 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2316                         ugeth->tx_bd_ring_offset[j] =
2317                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2318
2319                         if (ugeth->tx_bd_ring_offset[j] != 0)
2320                                 ugeth->p_tx_bd_ring[j] =
2321                                         (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2322                                         align) & ~(align - 1));
2323                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2324                         ugeth->tx_bd_ring_offset[j] =
2325                             qe_muram_alloc(length,
2326                                            UCC_GETH_TX_BD_RING_ALIGNMENT);
2327                         if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2328                                 ugeth->p_tx_bd_ring[j] =
2329                                     (u8 __iomem *) qe_muram_addr(ugeth->
2330                                                          tx_bd_ring_offset[j]);
2331                 }
2332                 if (!ugeth->p_tx_bd_ring[j]) {
2333                         if (netif_msg_ifup(ugeth))
2334                                 ugeth_err
2335                                     ("%s: Can not allocate memory for Tx bd rings.",
2336                                      __func__);
2337                         return -ENOMEM;
2338                 }
2339                 /* Zero unused end of bd ring, according to spec */
2340                 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2341                        ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2342                        length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2343         }
2344
2345         /* Allocate Rx bds */
2346         for (j = 0; j < ug_info->numQueuesRx; j++) {
2347                 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2348                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2349                         u32 align = 4;
2350                         if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2351                                 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2352                         ugeth->rx_bd_ring_offset[j] =
2353                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2354                         if (ugeth->rx_bd_ring_offset[j] != 0)
2355                                 ugeth->p_rx_bd_ring[j] =
2356                                         (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2357                                         align) & ~(align - 1));
2358                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2359                         ugeth->rx_bd_ring_offset[j] =
2360                             qe_muram_alloc(length,
2361                                            UCC_GETH_RX_BD_RING_ALIGNMENT);
2362                         if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2363                                 ugeth->p_rx_bd_ring[j] =
2364                                     (u8 __iomem *) qe_muram_addr(ugeth->
2365                                                          rx_bd_ring_offset[j]);
2366                 }
2367                 if (!ugeth->p_rx_bd_ring[j]) {
2368                         if (netif_msg_ifup(ugeth))
2369                                 ugeth_err
2370                                     ("%s: Can not allocate memory for Rx bd rings.",
2371                                      __func__);
2372                         return -ENOMEM;
2373                 }
2374         }
2375
2376         /* Init Tx bds */
2377         for (j = 0; j < ug_info->numQueuesTx; j++) {
2378                 /* Setup the skbuff rings */
2379                 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2380                                               ugeth->ug_info->bdRingLenTx[j],
2381                                               GFP_KERNEL);
2382
2383                 if (ugeth->tx_skbuff[j] == NULL) {
2384                         if (netif_msg_ifup(ugeth))
2385                                 ugeth_err("%s: Could not allocate tx_skbuff",
2386                                           __func__);
2387                         return -ENOMEM;
2388                 }
2389
2390                 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2391                         ugeth->tx_skbuff[j][i] = NULL;
2392
2393                 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2394                 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2395                 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2396                         /* clear bd buffer */
2397                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2398                         /* set bd status and length */
2399                         out_be32((u32 __iomem *)bd, 0);
2400                         bd += sizeof(struct qe_bd);
2401                 }
2402                 bd -= sizeof(struct qe_bd);
2403                 /* set bd status and length */
2404                 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2405         }
2406
2407         /* Init Rx bds */
2408         for (j = 0; j < ug_info->numQueuesRx; j++) {
2409                 /* Setup the skbuff rings */
2410                 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2411                                               ugeth->ug_info->bdRingLenRx[j],
2412                                               GFP_KERNEL);
2413
2414                 if (ugeth->rx_skbuff[j] == NULL) {
2415                         if (netif_msg_ifup(ugeth))
2416                                 ugeth_err("%s: Could not allocate rx_skbuff",
2417                                           __func__);
2418                         return -ENOMEM;
2419                 }
2420
2421                 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2422                         ugeth->rx_skbuff[j][i] = NULL;
2423
2424                 ugeth->skb_currx[j] = 0;
2425                 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2426                 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2427                         /* set bd status and length */
2428                         out_be32((u32 __iomem *)bd, R_I);
2429                         /* clear bd buffer */
2430                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2431                         bd += sizeof(struct qe_bd);
2432                 }
2433                 bd -= sizeof(struct qe_bd);
2434                 /* set bd status and length */
2435                 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2436         }
2437
2438         /*
2439          * Global PRAM
2440          */
2441         /* Tx global PRAM */
2442         /* Allocate global tx parameter RAM page */
2443         ugeth->tx_glbl_pram_offset =
2444             qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2445                            UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2446         if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2447                 if (netif_msg_ifup(ugeth))
2448                         ugeth_err
2449                             ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2450                              __func__);
2451                 return -ENOMEM;
2452         }
2453         ugeth->p_tx_glbl_pram =
2454             (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2455                                                         tx_glbl_pram_offset);
2456         /* Zero out p_tx_glbl_pram */
2457         memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2458
2459         /* Fill global PRAM */
2460
2461         /* TQPTR */
2462         /* Size varies with number of Tx threads */
2463         ugeth->thread_dat_tx_offset =
2464             qe_muram_alloc(numThreadsTxNumerical *
2465                            sizeof(struct ucc_geth_thread_data_tx) +
2466                            32 * (numThreadsTxNumerical == 1),
2467                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2468         if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2469                 if (netif_msg_ifup(ugeth))
2470                         ugeth_err
2471                             ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2472                              __func__);
2473                 return -ENOMEM;
2474         }
2475
2476         ugeth->p_thread_data_tx =
2477             (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2478                                                         thread_dat_tx_offset);
2479         out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2480
2481         /* vtagtable */
2482         for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2483                 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2484                          ug_info->vtagtable[i]);
2485
2486         /* iphoffset */
2487         for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2488                 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2489                                 ug_info->iphoffset[i]);
2490
2491         /* SQPTR */
2492         /* Size varies with number of Tx queues */
2493         ugeth->send_q_mem_reg_offset =
2494             qe_muram_alloc(ug_info->numQueuesTx *
2495                            sizeof(struct ucc_geth_send_queue_qd),
2496                            UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2497         if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2498                 if (netif_msg_ifup(ugeth))
2499                         ugeth_err
2500                             ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2501                              __func__);
2502                 return -ENOMEM;
2503         }
2504
2505         ugeth->p_send_q_mem_reg =
2506             (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2507                         send_q_mem_reg_offset);
2508         out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2509
2510         /* Setup the table */
2511         /* Assume BD rings are already established */
2512         for (i = 0; i < ug_info->numQueuesTx; i++) {
2513                 endOfRing =
2514                     ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2515                                               1) * sizeof(struct qe_bd);
2516                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2517                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2518                                  (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2519                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2520                                  last_bd_completed_address,
2521                                  (u32) virt_to_phys(endOfRing));
2522                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2523                            MEM_PART_MURAM) {
2524                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2525                                  (u32) immrbar_virt_to_phys(ugeth->
2526                                                             p_tx_bd_ring[i]));
2527                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2528                                  last_bd_completed_address,
2529                                  (u32) immrbar_virt_to_phys(endOfRing));
2530                 }
2531         }
2532
2533         /* schedulerbasepointer */
2534
2535         if (ug_info->numQueuesTx > 1) {
2536         /* scheduler exists only if more than 1 tx queue */
2537                 ugeth->scheduler_offset =
2538                     qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2539                                    UCC_GETH_SCHEDULER_ALIGNMENT);
2540                 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2541                         if (netif_msg_ifup(ugeth))
2542                                 ugeth_err
2543                                  ("%s: Can not allocate DPRAM memory for p_scheduler.",
2544                                      __func__);
2545                         return -ENOMEM;
2546                 }
2547
2548                 ugeth->p_scheduler =
2549                     (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2550                                                            scheduler_offset);
2551                 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2552                          ugeth->scheduler_offset);
2553                 /* Zero out p_scheduler */
2554                 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2555
2556                 /* Set values in scheduler */
2557                 out_be32(&ugeth->p_scheduler->mblinterval,
2558                          ug_info->mblinterval);
2559                 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2560                          ug_info->nortsrbytetime);
2561                 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2562                 out_8(&ugeth->p_scheduler->strictpriorityq,
2563                                 ug_info->strictpriorityq);
2564                 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2565                 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2566                 for (i = 0; i < NUM_TX_QUEUES; i++)
2567                         out_8(&ugeth->p_scheduler->weightfactor[i],
2568                             ug_info->weightfactor[i]);
2569
2570                 /* Set pointers to cpucount registers in scheduler */
2571                 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2572                 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2573                 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2574                 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2575                 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2576                 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2577                 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2578                 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2579         }
2580
2581         /* schedulerbasepointer */
2582         /* TxRMON_PTR (statistics) */
2583         if (ug_info->
2584             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2585                 ugeth->tx_fw_statistics_pram_offset =
2586                     qe_muram_alloc(sizeof
2587                                    (struct ucc_geth_tx_firmware_statistics_pram),
2588                                    UCC_GETH_TX_STATISTICS_ALIGNMENT);
2589                 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2590                         if (netif_msg_ifup(ugeth))
2591                                 ugeth_err
2592                                     ("%s: Can not allocate DPRAM memory for"
2593                                         " p_tx_fw_statistics_pram.",
2594                                         __func__);
2595                         return -ENOMEM;
2596                 }
2597                 ugeth->p_tx_fw_statistics_pram =
2598                     (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2599                     qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2600                 /* Zero out p_tx_fw_statistics_pram */
2601                 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2602                        0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2603         }
2604
2605         /* temoder */
2606         /* Already has speed set */
2607
2608         if (ug_info->numQueuesTx > 1)
2609                 temoder |= TEMODER_SCHEDULER_ENABLE;
2610         if (ug_info->ipCheckSumGenerate)
2611                 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2612         temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2613         out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2614
2615         test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2616
2617         /* Function code register value to be used later */
2618         function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2619         /* Required for QE */
2620
2621         /* function code register */
2622         out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2623
2624         /* Rx global PRAM */
2625         /* Allocate global rx parameter RAM page */
2626         ugeth->rx_glbl_pram_offset =
2627             qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2628                            UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2629         if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2630                 if (netif_msg_ifup(ugeth))
2631                         ugeth_err
2632                             ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2633                              __func__);
2634                 return -ENOMEM;
2635         }
2636         ugeth->p_rx_glbl_pram =
2637             (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2638                                                         rx_glbl_pram_offset);
2639         /* Zero out p_rx_glbl_pram */
2640         memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2641
2642         /* Fill global PRAM */
2643
2644         /* RQPTR */
2645         /* Size varies with number of Rx threads */
2646         ugeth->thread_dat_rx_offset =
2647             qe_muram_alloc(numThreadsRxNumerical *
2648                            sizeof(struct ucc_geth_thread_data_rx),
2649                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2650         if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2651                 if (netif_msg_ifup(ugeth))
2652                         ugeth_err
2653                             ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2654                              __func__);
2655                 return -ENOMEM;
2656         }
2657
2658         ugeth->p_thread_data_rx =
2659             (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2660                                                         thread_dat_rx_offset);
2661         out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2662
2663         /* typeorlen */
2664         out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2665
2666         /* rxrmonbaseptr (statistics) */
2667         if (ug_info->
2668             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2669                 ugeth->rx_fw_statistics_pram_offset =
2670                     qe_muram_alloc(sizeof
2671                                    (struct ucc_geth_rx_firmware_statistics_pram),
2672                                    UCC_GETH_RX_STATISTICS_ALIGNMENT);
2673                 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2674                         if (netif_msg_ifup(ugeth))
2675                                 ugeth_err
2676                                         ("%s: Can not allocate DPRAM memory for"
2677                                         " p_rx_fw_statistics_pram.", __func__);
2678                         return -ENOMEM;
2679                 }
2680                 ugeth->p_rx_fw_statistics_pram =
2681                     (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2682                     qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2683                 /* Zero out p_rx_fw_statistics_pram */
2684                 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2685                        sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2686         }
2687
2688         /* intCoalescingPtr */
2689
2690         /* Size varies with number of Rx queues */
2691         ugeth->rx_irq_coalescing_tbl_offset =
2692             qe_muram_alloc(ug_info->numQueuesRx *
2693                            sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2694                            + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2695         if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2696                 if (netif_msg_ifup(ugeth))
2697                         ugeth_err
2698                             ("%s: Can not allocate DPRAM memory for"
2699                                 " p_rx_irq_coalescing_tbl.", __func__);
2700                 return -ENOMEM;
2701         }
2702
2703         ugeth->p_rx_irq_coalescing_tbl =
2704             (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2705             qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2706         out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2707                  ugeth->rx_irq_coalescing_tbl_offset);
2708
2709         /* Fill interrupt coalescing table */
2710         for (i = 0; i < ug_info->numQueuesRx; i++) {
2711                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2712                          interruptcoalescingmaxvalue,
2713                          ug_info->interruptcoalescingmaxvalue[i]);
2714                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2715                          interruptcoalescingcounter,
2716                          ug_info->interruptcoalescingmaxvalue[i]);
2717         }
2718
2719         /* MRBLR */
2720         init_max_rx_buff_len(uf_info->max_rx_buf_length,
2721                              &ugeth->p_rx_glbl_pram->mrblr);
2722         /* MFLR */
2723         out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2724         /* MINFLR */
2725         init_min_frame_len(ug_info->minFrameLength,
2726                            &ugeth->p_rx_glbl_pram->minflr,
2727                            &ugeth->p_rx_glbl_pram->mrblr);
2728         /* MAXD1 */
2729         out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2730         /* MAXD2 */
2731         out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2732
2733         /* l2qt */
2734         l2qt = 0;
2735         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2736                 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2737         out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2738
2739         /* l3qt */
2740         for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2741                 l3qt = 0;
2742                 for (i = 0; i < 8; i++)
2743                         l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
2744                 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
2745         }
2746
2747         /* vlantype */
2748         out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2749
2750         /* vlantci */
2751         out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2752
2753         /* ecamptr */
2754         out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2755
2756         /* RBDQPTR */
2757         /* Size varies with number of Rx queues */
2758         ugeth->rx_bd_qs_tbl_offset =
2759             qe_muram_alloc(ug_info->numQueuesRx *
2760                            (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2761                             sizeof(struct ucc_geth_rx_prefetched_bds)),
2762                            UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
2763         if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
2764                 if (netif_msg_ifup(ugeth))
2765                         ugeth_err
2766                             ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
2767                              __func__);
2768                 return -ENOMEM;
2769         }
2770
2771         ugeth->p_rx_bd_qs_tbl =
2772             (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
2773                                     rx_bd_qs_tbl_offset);
2774         out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2775         /* Zero out p_rx_bd_qs_tbl */
2776         memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
2777                0,
2778                ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2779                                        sizeof(struct ucc_geth_rx_prefetched_bds)));
2780
2781         /* Setup the table */
2782         /* Assume BD rings are already established */
2783         for (i = 0; i < ug_info->numQueuesRx; i++) {
2784                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2785                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2786                                  (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2787                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2788                            MEM_PART_MURAM) {
2789                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2790                                  (u32) immrbar_virt_to_phys(ugeth->
2791                                                             p_rx_bd_ring[i]));
2792                 }
2793                 /* rest of fields handled by QE */
2794         }
2795
2796         /* remoder */
2797         /* Already has speed set */
2798
2799         if (ugeth->rx_extended_features)
2800                 remoder |= REMODER_RX_EXTENDED_FEATURES;
2801         if (ug_info->rxExtendedFiltering)
2802                 remoder |= REMODER_RX_EXTENDED_FILTERING;
2803         if (ug_info->dynamicMaxFrameLength)
2804                 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2805         if (ug_info->dynamicMinFrameLength)
2806                 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2807         remoder |=
2808             ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2809         remoder |=
2810             ug_info->
2811             vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2812         remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2813         remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2814         if (ug_info->ipCheckSumCheck)
2815                 remoder |= REMODER_IP_CHECKSUM_CHECK;
2816         if (ug_info->ipAddressAlignment)
2817                 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2818         out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2819
2820         /* Note that this function must be called */
2821         /* ONLY AFTER p_tx_fw_statistics_pram */
2822         /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2823         init_firmware_statistics_gathering_mode((ug_info->
2824                 statisticsMode &
2825                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2826                 (ug_info->statisticsMode &
2827                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2828                 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2829                 ugeth->tx_fw_statistics_pram_offset,
2830                 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2831                 ugeth->rx_fw_statistics_pram_offset,
2832                 &ugeth->p_tx_glbl_pram->temoder,
2833                 &ugeth->p_rx_glbl_pram->remoder);
2834
2835         /* function code register */
2836         out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
2837
2838         /* initialize extended filtering */
2839         if (ug_info->rxExtendedFiltering) {
2840                 if (!ug_info->extendedFilteringChainPointer) {
2841                         if (netif_msg_ifup(ugeth))
2842                                 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
2843                                           __func__);
2844                         return -EINVAL;
2845                 }
2846
2847                 /* Allocate memory for extended filtering Mode Global
2848                 Parameters */
2849                 ugeth->exf_glbl_param_offset =
2850                     qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
2851                 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
2852                 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
2853                         if (netif_msg_ifup(ugeth))
2854                                 ugeth_err
2855                                         ("%s: Can not allocate DPRAM memory for"
2856                                         " p_exf_glbl_param.", __func__);
2857                         return -ENOMEM;
2858                 }
2859
2860                 ugeth->p_exf_glbl_param =
2861                     (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
2862                                  exf_glbl_param_offset);
2863                 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2864                          ugeth->exf_glbl_param_offset);
2865                 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2866                          (u32) ug_info->extendedFilteringChainPointer);
2867
2868         } else {                /* initialize 82xx style address filtering */
2869
2870                 /* Init individual address recognition registers to disabled */
2871
2872                 for (j = 0; j < NUM_OF_PADDRS; j++)
2873                         ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2874
2875                 p_82xx_addr_filt =
2876                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2877                     p_rx_glbl_pram->addressfiltering;
2878
2879                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2880                         ENET_ADDR_TYPE_GROUP);
2881                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2882                         ENET_ADDR_TYPE_INDIVIDUAL);
2883         }
2884
2885         /*
2886          * Initialize UCC at QE level
2887          */
2888
2889         command = QE_INIT_TX_RX;
2890
2891         /* Allocate shadow InitEnet command parameter structure.
2892          * This is needed because after the InitEnet command is executed,
2893          * the structure in DPRAM is released, because DPRAM is a premium
2894          * resource.
2895          * This shadow structure keeps a copy of what was done so that the
2896          * allocated resources can be released when the channel is freed.
2897          */
2898         if (!(ugeth->p_init_enet_param_shadow =
2899               kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
2900                 if (netif_msg_ifup(ugeth))
2901                         ugeth_err
2902                             ("%s: Can not allocate memory for"
2903                                 " p_UccInitEnetParamShadows.", __func__);
2904                 return -ENOMEM;
2905         }
2906         /* Zero out *p_init_enet_param_shadow */
2907         memset((char *)ugeth->p_init_enet_param_shadow,
2908                0, sizeof(struct ucc_geth_init_pram));
2909
2910         /* Fill shadow InitEnet command parameter structure */
2911
2912         ugeth->p_init_enet_param_shadow->resinit1 =
2913             ENET_INIT_PARAM_MAGIC_RES_INIT1;
2914         ugeth->p_init_enet_param_shadow->resinit2 =
2915             ENET_INIT_PARAM_MAGIC_RES_INIT2;
2916         ugeth->p_init_enet_param_shadow->resinit3 =
2917             ENET_INIT_PARAM_MAGIC_RES_INIT3;
2918         ugeth->p_init_enet_param_shadow->resinit4 =
2919             ENET_INIT_PARAM_MAGIC_RES_INIT4;
2920         ugeth->p_init_enet_param_shadow->resinit5 =
2921             ENET_INIT_PARAM_MAGIC_RES_INIT5;
2922         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2923             ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2924         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2925             ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2926
2927         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2928             ugeth->rx_glbl_pram_offset | ug_info->riscRx;
2929         if ((ug_info->largestexternallookupkeysize !=
2930              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
2931             && (ug_info->largestexternallookupkeysize !=
2932                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
2933             && (ug_info->largestexternallookupkeysize !=
2934                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
2935                 if (netif_msg_ifup(ugeth))
2936                         ugeth_err("%s: Invalid largest External Lookup Key Size.",
2937                                   __func__);
2938                 return -EINVAL;
2939         }
2940         ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
2941             ug_info->largestexternallookupkeysize;
2942         size = sizeof(struct ucc_geth_thread_rx_pram);
2943         if (ug_info->rxExtendedFiltering) {
2944                 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
2945                 if (ug_info->largestexternallookupkeysize ==
2946                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
2947                         size +=
2948                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
2949                 if (ug_info->largestexternallookupkeysize ==
2950                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
2951                         size +=
2952                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
2953         }
2954
2955         if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
2956                 p_init_enet_param_shadow->rxthread[0]),
2957                 (u8) (numThreadsRxNumerical + 1)
2958                 /* Rx needs one extra for terminator */
2959                 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
2960                 ug_info->riscRx, 1)) != 0) {
2961                 if (netif_msg_ifup(ugeth))
2962                                 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
2963                                         __func__);
2964                 return ret_val;
2965         }
2966
2967         ugeth->p_init_enet_param_shadow->txglobal =
2968             ugeth->tx_glbl_pram_offset | ug_info->riscTx;
2969         if ((ret_val =
2970              fill_init_enet_entries(ugeth,
2971                                     &(ugeth->p_init_enet_param_shadow->
2972                                       txthread[0]), numThreadsTxNumerical,
2973                                     sizeof(struct ucc_geth_thread_tx_pram),
2974                                     UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
2975                                     ug_info->riscTx, 0)) != 0) {
2976                 if (netif_msg_ifup(ugeth))
2977                         ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
2978                                   __func__);
2979                 return ret_val;
2980         }
2981
2982         /* Load Rx bds with buffers */
2983         for (i = 0; i < ug_info->numQueuesRx; i++) {
2984                 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
2985                         if (netif_msg_ifup(ugeth))
2986                                 ugeth_err("%s: Can not fill Rx bds with buffers.",
2987                                           __func__);
2988                         return ret_val;
2989                 }
2990         }
2991
2992         /* Allocate InitEnet command parameter structure */
2993         init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
2994         if (IS_ERR_VALUE(init_enet_pram_offset)) {
2995                 if (netif_msg_ifup(ugeth))
2996                         ugeth_err
2997                             ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
2998                              __func__);
2999                 return -ENOMEM;
3000         }
3001         p_init_enet_pram =
3002             (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3003
3004         /* Copy shadow InitEnet command parameter structure into PRAM */
3005         out_8(&p_init_enet_pram->resinit1,
3006                         ugeth->p_init_enet_param_shadow->resinit1);
3007         out_8(&p_init_enet_pram->resinit2,
3008                         ugeth->p_init_enet_param_shadow->resinit2);
3009         out_8(&p_init_enet_pram->resinit3,
3010                         ugeth->p_init_enet_param_shadow->resinit3);
3011         out_8(&p_init_enet_pram->resinit4,
3012                         ugeth->p_init_enet_param_shadow->resinit4);
3013         out_be16(&p_init_enet_pram->resinit5,
3014                  ugeth->p_init_enet_param_shadow->resinit5);
3015         out_8(&p_init_enet_pram->largestexternallookupkeysize,
3016             ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3017         out_be32(&p_init_enet_pram->rgftgfrxglobal,
3018                  ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3019         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3020                 out_be32(&p_init_enet_pram->rxthread[i],
3021                          ugeth->p_init_enet_param_shadow->rxthread[i]);
3022         out_be32(&p_init_enet_pram->txglobal,
3023                  ugeth->p_init_enet_param_shadow->txglobal);
3024         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3025                 out_be32(&p_init_enet_pram->txthread[i],
3026                          ugeth->p_init_enet_param_shadow->txthread[i]);
3027
3028         /* Issue QE command */
3029         cecr_subblock =
3030             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3031         qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3032                      init_enet_pram_offset);
3033
3034         /* Free InitEnet command parameter */
3035         qe_muram_free(init_enet_pram_offset);
3036
3037         return 0;
3038 }
3039
3040 /* This is called by the kernel when a frame is ready for transmission. */
3041 /* It is pointed to by the dev->hard_start_xmit function pointer */
3042 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3043 {
3044         struct ucc_geth_private *ugeth = netdev_priv(dev);
3045 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3046         struct ucc_fast_private *uccf;
3047 #endif
3048         u8 __iomem *bd;                 /* BD pointer */
3049         u32 bd_status;
3050         u8 txQ = 0;
3051
3052         ugeth_vdbg("%s: IN", __func__);
3053
3054         spin_lock_irq(&ugeth->lock);
3055
3056         dev->stats.tx_bytes += skb->len;
3057
3058         /* Start from the next BD that should be filled */
3059         bd = ugeth->txBd[txQ];
3060         bd_status = in_be32((u32 __iomem *)bd);
3061         /* Save the skb pointer so we can free it later */
3062         ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3063
3064         /* Update the current skb pointer (wrapping if this was the last) */
3065         ugeth->skb_curtx[txQ] =
3066             (ugeth->skb_curtx[txQ] +
3067              1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3068
3069         /* set up the buffer descriptor */
3070         out_be32(&((struct qe_bd __iomem *)bd)->buf,
3071                       dma_map_single(&ugeth->dev->dev, skb->data,
3072                               skb->len, DMA_TO_DEVICE));
3073
3074         /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3075
3076         bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3077
3078         /* set bd status and length */
3079         out_be32((u32 __iomem *)bd, bd_status);
3080
3081         dev->trans_start = jiffies;
3082
3083         /* Move to next BD in the ring */
3084         if (!(bd_status & T_W))
3085                 bd += sizeof(struct qe_bd);
3086         else
3087                 bd = ugeth->p_tx_bd_ring[txQ];
3088
3089         /* If the next BD still needs to be cleaned up, then the bds
3090            are full.  We need to tell the kernel to stop sending us stuff. */
3091         if (bd == ugeth->confBd[txQ]) {
3092                 if (!netif_queue_stopped(dev))
3093                         netif_stop_queue(dev);
3094         }
3095
3096         ugeth->txBd[txQ] = bd;
3097
3098         if (ugeth->p_scheduler) {
3099                 ugeth->cpucount[txQ]++;
3100                 /* Indicate to QE that there are more Tx bds ready for
3101                 transmission */
3102                 /* This is done by writing a running counter of the bd
3103                 count to the scheduler PRAM. */
3104                 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3105         }
3106
3107 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3108         uccf = ugeth->uccf;
3109         out_be16(uccf->p_utodr, UCC_FAST_TOD);
3110 #endif
3111         spin_unlock_irq(&ugeth->lock);
3112
3113         return 0;
3114 }
3115
3116 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3117 {
3118         struct sk_buff *skb;
3119         u8 __iomem *bd;
3120         u16 length, howmany = 0;
3121         u32 bd_status;
3122         u8 *bdBuffer;
3123         struct net_device *dev;
3124
3125         ugeth_vdbg("%s: IN", __func__);
3126
3127         dev = ugeth->dev;
3128
3129         /* collect received buffers */
3130         bd = ugeth->rxBd[rxQ];
3131
3132         bd_status = in_be32((u32 __iomem *)bd);
3133
3134         /* while there are received buffers and BD is full (~R_E) */
3135         while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3136                 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3137                 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3138                 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3139
3140                 /* determine whether buffer is first, last, first and last
3141                 (single buffer frame) or middle (not first and not last) */
3142                 if (!skb ||
3143                     (!(bd_status & (R_F | R_L))) ||
3144                     (bd_status & R_ERRORS_FATAL)) {
3145                         if (netif_msg_rx_err(ugeth))
3146                                 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3147                                            __func__, __LINE__, (u32) skb);
3148                         if (skb)
3149                                 dev_kfree_skb_any(skb);
3150
3151                         ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3152                         dev->stats.rx_dropped++;
3153                 } else {
3154                         dev->stats.rx_packets++;
3155                         howmany++;
3156
3157                         /* Prep the skb for the packet */
3158                         skb_put(skb, length);
3159
3160                         /* Tell the skb what kind of packet this is */
3161                         skb->protocol = eth_type_trans(skb, ugeth->dev);
3162
3163                         dev->stats.rx_bytes += length;
3164                         /* Send the packet up the stack */
3165                         netif_receive_skb(skb);
3166                 }
3167
3168                 skb = get_new_skb(ugeth, bd);
3169                 if (!skb) {
3170                         if (netif_msg_rx_err(ugeth))
3171                                 ugeth_warn("%s: No Rx Data Buffer", __func__);
3172                         dev->stats.rx_dropped++;
3173                         break;
3174                 }
3175
3176                 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3177
3178                 /* update to point at the next skb */
3179                 ugeth->skb_currx[rxQ] =
3180                     (ugeth->skb_currx[rxQ] +
3181                      1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3182
3183                 if (bd_status & R_W)
3184                         bd = ugeth->p_rx_bd_ring[rxQ];
3185                 else
3186                         bd += sizeof(struct qe_bd);
3187
3188                 bd_status = in_be32((u32 __iomem *)bd);
3189         }
3190
3191         ugeth->rxBd[rxQ] = bd;
3192         return howmany;
3193 }
3194
3195 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3196 {
3197         /* Start from the next BD that should be filled */
3198         struct ucc_geth_private *ugeth = netdev_priv(dev);
3199         u8 __iomem *bd;         /* BD pointer */
3200         u32 bd_status;
3201
3202         bd = ugeth->confBd[txQ];
3203         bd_status = in_be32((u32 __iomem *)bd);
3204
3205         /* Normal processing. */
3206         while ((bd_status & T_R) == 0) {
3207                 /* BD contains already transmitted buffer.   */
3208                 /* Handle the transmitted buffer and release */
3209                 /* the BD to be used with the current frame  */
3210
3211                 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3212                         break;
3213
3214                 dev->stats.tx_packets++;
3215
3216                 /* Free the sk buffer associated with this TxBD */
3217                 dev_kfree_skb_irq(ugeth->
3218                                   tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3219                 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3220                 ugeth->skb_dirtytx[txQ] =
3221                     (ugeth->skb_dirtytx[txQ] +
3222                      1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3223
3224                 /* We freed a buffer, so now we can restart transmission */
3225                 if (netif_queue_stopped(dev))
3226                         netif_wake_queue(dev);
3227
3228                 /* Advance the confirmation BD pointer */
3229                 if (!(bd_status & T_W))
3230                         bd += sizeof(struct qe_bd);
3231                 else
3232                         bd = ugeth->p_tx_bd_ring[txQ];
3233                 bd_status = in_be32((u32 __iomem *)bd);
3234         }
3235         ugeth->confBd[txQ] = bd;
3236         return 0;
3237 }
3238
3239 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3240 {
3241         struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3242         struct ucc_geth_info *ug_info;
3243         int howmany, i;
3244
3245         ug_info = ugeth->ug_info;
3246
3247         howmany = 0;
3248         for (i = 0; i < ug_info->numQueuesRx; i++)
3249                 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3250
3251         if (howmany < budget) {
3252                 netif_rx_complete(napi);
3253                 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS);
3254         }
3255
3256         return howmany;
3257 }
3258
3259 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3260 {
3261         struct net_device *dev = info;
3262         struct ucc_geth_private *ugeth = netdev_priv(dev);
3263         struct ucc_fast_private *uccf;
3264         struct ucc_geth_info *ug_info;
3265         register u32 ucce;
3266         register u32 uccm;
3267         register u32 tx_mask;
3268         u8 i;
3269
3270         ugeth_vdbg("%s: IN", __func__);
3271
3272         uccf = ugeth->uccf;
3273         ug_info = ugeth->ug_info;
3274
3275         /* read and clear events */
3276         ucce = (u32) in_be32(uccf->p_ucce);
3277         uccm = (u32) in_be32(uccf->p_uccm);
3278         ucce &= uccm;
3279         out_be32(uccf->p_ucce, ucce);
3280
3281         /* check for receive events that require processing */
3282         if (ucce & UCCE_RX_EVENTS) {
3283                 if (netif_rx_schedule_prep(&ugeth->napi)) {
3284                         uccm &= ~UCCE_RX_EVENTS;
3285                         out_be32(uccf->p_uccm, uccm);
3286                         __netif_rx_schedule(&ugeth->napi);
3287                 }
3288         }
3289
3290         /* Tx event processing */
3291         if (ucce & UCCE_TX_EVENTS) {
3292                 spin_lock(&ugeth->lock);
3293                 tx_mask = UCC_GETH_UCCE_TXB0;
3294                 for (i = 0; i < ug_info->numQueuesTx; i++) {
3295                         if (ucce & tx_mask)
3296                                 ucc_geth_tx(dev, i);
3297                         ucce &= ~tx_mask;
3298                         tx_mask <<= 1;
3299                 }
3300                 spin_unlock(&ugeth->lock);
3301         }
3302
3303         /* Errors and other events */
3304         if (ucce & UCCE_OTHER) {
3305                 if (ucce & UCC_GETH_UCCE_BSY)
3306                         dev->stats.rx_errors++;
3307                 if (ucce & UCC_GETH_UCCE_TXE)
3308                         dev->stats.tx_errors++;
3309         }
3310
3311         return IRQ_HANDLED;
3312 }
3313
3314 #ifdef CONFIG_NET_POLL_CONTROLLER
3315 /*
3316  * Polling 'interrupt' - used by things like netconsole to send skbs
3317  * without having to re-enable interrupts. It's not called while
3318  * the interrupt routine is executing.
3319  */
3320 static void ucc_netpoll(struct net_device *dev)
3321 {
3322         struct ucc_geth_private *ugeth = netdev_priv(dev);
3323         int irq = ugeth->ug_info->uf_info.irq;
3324
3325         disable_irq(irq);
3326         ucc_geth_irq_handler(irq, dev);
3327         enable_irq(irq);
3328 }
3329 #endif /* CONFIG_NET_POLL_CONTROLLER */
3330
3331 /* Called when something needs to use the ethernet device */
3332 /* Returns 0 for success. */
3333 static int ucc_geth_open(struct net_device *dev)
3334 {
3335         struct ucc_geth_private *ugeth = netdev_priv(dev);
3336         int err;
3337
3338         ugeth_vdbg("%s: IN", __func__);
3339
3340         /* Test station address */
3341         if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3342                 if (netif_msg_ifup(ugeth))
3343                         ugeth_err("%s: Multicast address used for station address"
3344                                   " - is this what you wanted?", __func__);
3345                 return -EINVAL;
3346         }
3347
3348         err = ucc_struct_init(ugeth);
3349         if (err) {
3350                 if (netif_msg_ifup(ugeth))
3351                         ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3352                 goto out_err_stop;
3353         }
3354
3355         napi_enable(&ugeth->napi);
3356
3357         err = ucc_geth_startup(ugeth);
3358         if (err) {
3359                 if (netif_msg_ifup(ugeth))
3360                         ugeth_err("%s: Cannot configure net device, aborting.",
3361                                   dev->name);
3362                 goto out_err;
3363         }
3364
3365         err = adjust_enet_interface(ugeth);
3366         if (err) {
3367                 if (netif_msg_ifup(ugeth))
3368                         ugeth_err("%s: Cannot configure net device, aborting.",
3369                                   dev->name);
3370                 goto out_err;
3371         }
3372
3373         /*       Set MACSTNADDR1, MACSTNADDR2                */
3374         /* For more details see the hardware spec.           */
3375         init_mac_station_addr_regs(dev->dev_addr[0],
3376                                    dev->dev_addr[1],
3377                                    dev->dev_addr[2],
3378                                    dev->dev_addr[3],
3379                                    dev->dev_addr[4],
3380                                    dev->dev_addr[5],
3381                                    &ugeth->ug_regs->macstnaddr1,
3382                                    &ugeth->ug_regs->macstnaddr2);
3383
3384         err = init_phy(dev);
3385         if (err) {
3386                 if (netif_msg_ifup(ugeth))
3387                         ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3388                 goto out_err;
3389         }
3390
3391         phy_start(ugeth->phydev);
3392
3393         err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3394         if (err) {
3395                 if (netif_msg_ifup(ugeth))
3396                         ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3397                 goto out_err;
3398         }
3399
3400         err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3401                           0, "UCC Geth", dev);
3402         if (err) {
3403                 if (netif_msg_ifup(ugeth))
3404                         ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3405                                   dev->name);
3406                 goto out_err;
3407         }
3408
3409         netif_start_queue(dev);
3410
3411         return err;
3412
3413 out_err:
3414         napi_disable(&ugeth->napi);
3415 out_err_stop:
3416         ucc_geth_stop(ugeth);
3417         return err;
3418 }
3419
3420 /* Stops the kernel queue, and halts the controller */
3421 static int ucc_geth_close(struct net_device *dev)
3422 {
3423         struct ucc_geth_private *ugeth = netdev_priv(dev);
3424
3425         ugeth_vdbg("%s: IN", __func__);
3426
3427         napi_disable(&ugeth->napi);
3428
3429         ucc_geth_stop(ugeth);
3430
3431         free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
3432
3433         phy_disconnect(ugeth->phydev);
3434         ugeth->phydev = NULL;
3435
3436         netif_stop_queue(dev);
3437
3438         return 0;
3439 }
3440
3441 /* Reopen device. This will reset the MAC and PHY. */
3442 static void ucc_geth_timeout_work(struct work_struct *work)
3443 {
3444         struct ucc_geth_private *ugeth;
3445         struct net_device *dev;
3446
3447         ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3448         dev = ugeth->dev;
3449
3450         ugeth_vdbg("%s: IN", __func__);
3451
3452         dev->stats.tx_errors++;
3453
3454         ugeth_dump_regs(ugeth);
3455
3456         if (dev->flags & IFF_UP) {
3457                 /*
3458                  * Must reset MAC *and* PHY. This is done by reopening
3459                  * the device.
3460                  */
3461                 ucc_geth_close(dev);
3462                 ucc_geth_open(dev);
3463         }
3464
3465         netif_tx_schedule_all(dev);
3466 }
3467
3468 /*
3469  * ucc_geth_timeout gets called when a packet has not been
3470  * transmitted after a set amount of time.
3471  */
3472 static void ucc_geth_timeout(struct net_device *dev)
3473 {
3474         struct ucc_geth_private *ugeth = netdev_priv(dev);
3475
3476         netif_carrier_off(dev);
3477         schedule_work(&ugeth->timeout_work);
3478 }
3479
3480 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3481 {
3482         if (strcasecmp(phy_connection_type, "mii") == 0)
3483                 return PHY_INTERFACE_MODE_MII;
3484         if (strcasecmp(phy_connection_type, "gmii") == 0)
3485                 return PHY_INTERFACE_MODE_GMII;
3486         if (strcasecmp(phy_connection_type, "tbi") == 0)
3487                 return PHY_INTERFACE_MODE_TBI;
3488         if (strcasecmp(phy_connection_type, "rmii") == 0)
3489                 return PHY_INTERFACE_MODE_RMII;
3490         if (strcasecmp(phy_connection_type, "rgmii") == 0)
3491                 return PHY_INTERFACE_MODE_RGMII;
3492         if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3493                 return PHY_INTERFACE_MODE_RGMII_ID;
3494         if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3495                 return PHY_INTERFACE_MODE_RGMII_TXID;
3496         if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3497                 return PHY_INTERFACE_MODE_RGMII_RXID;
3498         if (strcasecmp(phy_connection_type, "rtbi") == 0)
3499                 return PHY_INTERFACE_MODE_RTBI;
3500
3501         return PHY_INTERFACE_MODE_MII;
3502 }
3503
3504 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3505 {
3506         struct device *device = &ofdev->dev;
3507         struct device_node *np = ofdev->node;
3508         struct device_node *mdio;
3509         struct net_device *dev = NULL;
3510         struct ucc_geth_private *ugeth = NULL;
3511         struct ucc_geth_info *ug_info;
3512         struct resource res;
3513         struct device_node *phy;
3514         int err, ucc_num, max_speed = 0;
3515         const phandle *ph;
3516         const u32 *fixed_link;
3517         const unsigned int *prop;
3518         const char *sprop;
3519         const void *mac_addr;
3520         phy_interface_t phy_interface;
3521         static const int enet_to_speed[] = {
3522                 SPEED_10, SPEED_10, SPEED_10,
3523                 SPEED_100, SPEED_100, SPEED_100,
3524                 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3525         };
3526         static const phy_interface_t enet_to_phy_interface[] = {
3527                 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3528                 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3529                 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3530                 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3531                 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3532         };
3533
3534         ugeth_vdbg("%s: IN", __func__);
3535
3536         prop = of_get_property(np, "cell-index", NULL);
3537         if (!prop) {
3538                 prop = of_get_property(np, "device-id", NULL);
3539                 if (!prop)
3540                         return -ENODEV;
3541         }
3542
3543         ucc_num = *prop - 1;
3544         if ((ucc_num < 0) || (ucc_num > 7))
3545                 return -ENODEV;
3546
3547         ug_info = &ugeth_info[ucc_num];
3548         if (ug_info == NULL) {
3549                 if (netif_msg_probe(&debug))
3550                         ugeth_err("%s: [%d] Missing additional data!",
3551                                         __func__, ucc_num);
3552                 return -ENODEV;
3553         }
3554
3555         ug_info->uf_info.ucc_num = ucc_num;
3556
3557         sprop = of_get_property(np, "rx-clock-name", NULL);
3558         if (sprop) {
3559                 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3560                 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3561                     (ug_info->uf_info.rx_clock > QE_CLK24)) {
3562                         printk(KERN_ERR
3563                                 "ucc_geth: invalid rx-clock-name property\n");
3564                         return -EINVAL;
3565                 }
3566         } else {
3567                 prop = of_get_property(np, "rx-clock", NULL);
3568                 if (!prop) {
3569                         /* If both rx-clock-name and rx-clock are missing,
3570                            we want to tell people to use rx-clock-name. */
3571                         printk(KERN_ERR
3572                                 "ucc_geth: missing rx-clock-name property\n");
3573                         return -EINVAL;
3574                 }
3575                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3576                         printk(KERN_ERR
3577                                 "ucc_geth: invalid rx-clock propperty\n");
3578                         return -EINVAL;
3579                 }
3580                 ug_info->uf_info.rx_clock = *prop;
3581         }
3582
3583         sprop = of_get_property(np, "tx-clock-name", NULL);
3584         if (sprop) {
3585                 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3586                 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3587                     (ug_info->uf_info.tx_clock > QE_CLK24)) {
3588                         printk(KERN_ERR
3589                                 "ucc_geth: invalid tx-clock-name property\n");
3590                         return -EINVAL;
3591                 }
3592         } else {
3593                 prop = of_get_property(np, "tx-clock", NULL);
3594                 if (!prop) {
3595                         printk(KERN_ERR
3596                                 "ucc_geth: mising tx-clock-name property\n");
3597                         return -EINVAL;
3598                 }
3599                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3600                         printk(KERN_ERR
3601                                 "ucc_geth: invalid tx-clock property\n");
3602                         return -EINVAL;
3603                 }
3604                 ug_info->uf_info.tx_clock = *prop;
3605         }
3606
3607         err = of_address_to_resource(np, 0, &res);
3608         if (err)
3609                 return -EINVAL;
3610
3611         ug_info->uf_info.regs = res.start;
3612         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3613         fixed_link = of_get_property(np, "fixed-link", NULL);
3614         if (fixed_link) {
3615                 snprintf(ug_info->phy_bus_id, sizeof(ug_info->phy_bus_id),
3616                          PHY_ID_FMT, "0", fixed_link[0]);
3617                 phy = NULL;
3618         } else {
3619                 char bus_name[MII_BUS_ID_SIZE];
3620
3621                 ph = of_get_property(np, "phy-handle", NULL);
3622                 phy = of_find_node_by_phandle(*ph);
3623
3624                 if (phy == NULL)
3625                         return -ENODEV;
3626
3627                 /* set the PHY address */
3628                 prop = of_get_property(phy, "reg", NULL);
3629                 if (prop == NULL)
3630                         return -1;
3631
3632                 /* Set the bus id */
3633                 mdio = of_get_parent(phy);
3634
3635                 if (mdio == NULL)
3636                         return -1;
3637
3638                 err = of_address_to_resource(mdio, 0, &res);
3639                 of_node_put(mdio);
3640
3641                 if (err)
3642                         return -1;
3643
3644                 uec_mdio_bus_name(bus_name, mdio);
3645                 snprintf(ug_info->phy_bus_id, sizeof(ug_info->phy_bus_id),
3646                         "%s:%02x", bus_name, *prop);
3647         }
3648
3649         /* get the phy interface type, or default to MII */
3650         prop = of_get_property(np, "phy-connection-type", NULL);
3651         if (!prop) {
3652                 /* handle interface property present in old trees */
3653                 prop = of_get_property(phy, "interface", NULL);
3654                 if (prop != NULL) {
3655                         phy_interface = enet_to_phy_interface[*prop];
3656                         max_speed = enet_to_speed[*prop];
3657                 } else
3658                         phy_interface = PHY_INTERFACE_MODE_MII;
3659         } else {
3660                 phy_interface = to_phy_interface((const char *)prop);
3661         }
3662
3663         /* get speed, or derive from PHY interface */
3664         if (max_speed == 0)
3665                 switch (phy_interface) {
3666                 case PHY_INTERFACE_MODE_GMII:
3667                 case PHY_INTERFACE_MODE_RGMII:
3668                 case PHY_INTERFACE_MODE_RGMII_ID:
3669                 case PHY_INTERFACE_MODE_RGMII_RXID:
3670                 case PHY_INTERFACE_MODE_RGMII_TXID:
3671                 case PHY_INTERFACE_MODE_TBI:
3672                 case PHY_INTERFACE_MODE_RTBI:
3673                         max_speed = SPEED_1000;
3674                         break;
3675                 default:
3676                         max_speed = SPEED_100;
3677                         break;
3678                 }
3679
3680         if (max_speed == SPEED_1000) {
3681                 /* configure muram FIFOs for gigabit operation */
3682                 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3683                 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3684                 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3685                 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3686                 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3687                 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3688                 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3689                 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3690         }
3691
3692         if (netif_msg_probe(&debug))
3693                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3694                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3695                         ug_info->uf_info.irq);
3696
3697         /* Create an ethernet device instance */
3698         dev = alloc_etherdev(sizeof(*ugeth));
3699
3700         if (dev == NULL)
3701                 return -ENOMEM;
3702
3703         ugeth = netdev_priv(dev);
3704         spin_lock_init(&ugeth->lock);
3705
3706         /* Create CQs for hash tables */
3707         INIT_LIST_HEAD(&ugeth->group_hash_q);
3708         INIT_LIST_HEAD(&ugeth->ind_hash_q);
3709
3710         dev_set_drvdata(device, dev);
3711
3712         /* Set the dev->base_addr to the gfar reg region */
3713         dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3714
3715         SET_NETDEV_DEV(dev, device);
3716
3717         /* Fill in the dev structure */
3718         uec_set_ethtool_ops(dev);
3719         dev->open = ucc_geth_open;
3720         dev->hard_start_xmit = ucc_geth_start_xmit;
3721         dev->tx_timeout = ucc_geth_timeout;
3722         dev->watchdog_timeo = TX_TIMEOUT;
3723         INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
3724         netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
3725 #ifdef CONFIG_NET_POLL_CONTROLLER
3726         dev->poll_controller = ucc_netpoll;
3727 #endif
3728         dev->stop = ucc_geth_close;
3729 //    dev->change_mtu = ucc_geth_change_mtu;
3730         dev->mtu = 1500;
3731         dev->set_multicast_list = ucc_geth_set_multi;
3732
3733         ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3734         ugeth->phy_interface = phy_interface;
3735         ugeth->max_speed = max_speed;
3736
3737         err = register_netdev(dev);
3738         if (err) {
3739                 if (netif_msg_probe(ugeth))
3740                         ugeth_err("%s: Cannot register net device, aborting.",
3741                                   dev->name);
3742                 free_netdev(dev);
3743                 return err;
3744         }
3745
3746         mac_addr = of_get_mac_address(np);
3747         if (mac_addr)
3748                 memcpy(dev->dev_addr, mac_addr, 6);
3749
3750         ugeth->ug_info = ug_info;
3751         ugeth->dev = dev;
3752         ugeth->node = np;
3753
3754         return 0;
3755 }
3756
3757 static int ucc_geth_remove(struct of_device* ofdev)
3758 {
3759         struct device *device = &ofdev->dev;
3760         struct net_device *dev = dev_get_drvdata(device);
3761         struct ucc_geth_private *ugeth = netdev_priv(dev);
3762
3763         unregister_netdev(dev);
3764         free_netdev(dev);
3765         ucc_geth_memclean(ugeth);
3766         dev_set_drvdata(device, NULL);
3767
3768         return 0;
3769 }
3770
3771 static struct of_device_id ucc_geth_match[] = {
3772         {
3773                 .type = "network",
3774                 .compatible = "ucc_geth",
3775         },
3776         {},
3777 };
3778
3779 MODULE_DEVICE_TABLE(of, ucc_geth_match);
3780
3781 static struct of_platform_driver ucc_geth_driver = {
3782         .name           = DRV_NAME,
3783         .match_table    = ucc_geth_match,
3784         .probe          = ucc_geth_probe,
3785         .remove         = ucc_geth_remove,
3786 };
3787
3788 static int __init ucc_geth_init(void)
3789 {
3790         int i, ret;
3791
3792         ret = uec_mdio_init();
3793
3794         if (ret)
3795                 return ret;
3796
3797         if (netif_msg_drv(&debug))
3798                 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
3799         for (i = 0; i < 8; i++)
3800                 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
3801                        sizeof(ugeth_primary_info));
3802
3803         ret = of_register_platform_driver(&ucc_geth_driver);
3804
3805         if (ret)
3806                 uec_mdio_exit();
3807
3808         return ret;
3809 }
3810
3811 static void __exit ucc_geth_exit(void)
3812 {
3813         of_unregister_platform_driver(&ucc_geth_driver);
3814         uec_mdio_exit();
3815 }
3816
3817 module_init(ucc_geth_init);
3818 module_exit(ucc_geth_exit);
3819
3820 MODULE_AUTHOR("Freescale Semiconductor, Inc");
3821 MODULE_DESCRIPTION(DRV_DESC);
3822 MODULE_VERSION(DRV_VERSION);
3823 MODULE_LICENSE("GPL");