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 #ifdef CONFIG_UGETH_FILTERING
 192 static void enqueue(struct list_head *node, struct list_head *lh)
 193 {
 194         unsigned long flags;
 195
 196         spin_lock_irqsave(&ugeth_lock, flags);
 197         list_add_tail(node, lh);
 198         spin_unlock_irqrestore(&ugeth_lock, flags);
 199 }
 200 #endif /* CONFIG_UGETH_FILTERING */
 201
 202 static struct list_head *dequeue(struct list_head *lh)
 203 {
 204         unsigned long flags;
 205
 206         spin_lock_irqsave(&ugeth_lock, flags);
 207         if (!list_empty(lh)) {
 208                 struct list_head *node = lh->next;
 209                 list_del(node);
 210                 spin_unlock_irqrestore(&ugeth_lock, flags);
 211                 return node;
 212         } else {
 213                 spin_unlock_irqrestore(&ugeth_lock, flags);
 214                 return NULL;
 215         }
 216 }
 217
 218 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
 219                 u8 __iomem *bd)
 220 {
 221         struct sk_buff *skb = NULL;
 222
 223         skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
 224                                   UCC_GETH_RX_DATA_BUF_ALIGNMENT);
 225
 226         if (skb == NULL)
 227                 return NULL;
 228
 229         /* We need the data buffer to be aligned properly.  We will reserve
 230          * as many bytes as needed to align the data properly
 231          */
 232         skb_reserve(skb,
 233                     UCC_GETH_RX_DATA_BUF_ALIGNMENT -
 234                     (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
 235                                               1)));
 236
 237         skb->dev = ugeth->dev;
 238
 239         out_be32(&((struct qe_bd __iomem *)bd)->buf,
 240                       dma_map_single(&ugeth->dev->dev,
 241                                      skb->data,
 242                                      ugeth->ug_info->uf_info.max_rx_buf_length +
 243                                      UCC_GETH_RX_DATA_BUF_ALIGNMENT,
 244                                      DMA_FROM_DEVICE));
 245
 246         out_be32((u32 __iomem *)bd,
 247                         (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
 248
 249         return skb;
 250 }
 251
 252 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
 253 {
 254         u8 __iomem *bd;
 255         u32 bd_status;
 256         struct sk_buff *skb;
 257         int i;
 258
 259         bd = ugeth->p_rx_bd_ring[rxQ];
 260         i = 0;
 261
 262         do {
 263                 bd_status = in_be32((u32 __iomem *)bd);
 264                 skb = get_new_skb(ugeth, bd);
 265
 266                 if (!skb)       /* If can not allocate data buffer,
 267                                 abort. Cleanup will be elsewhere */
 268                         return -ENOMEM;
 269
 270                 ugeth->rx_skbuff[rxQ][i] = skb;
 271
 272                 /* advance the BD pointer */
 273                 bd += sizeof(struct qe_bd);
 274                 i++;
 275         } while (!(bd_status & R_W));
 276
 277         return 0;
 278 }
 279
 280 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
 281                                   u32 *p_start,
 282                                   u8 num_entries,
 283                                   u32 thread_size,
 284                                   u32 thread_alignment,
 285                                   enum qe_risc_allocation risc,
 286                                   int skip_page_for_first_entry)
 287 {
 288         u32 init_enet_offset;
 289         u8 i;
 290         int snum;
 291
 292         for (i = 0; i < num_entries; i++) {
 293                 if ((snum = qe_get_snum()) < 0) {
 294                         if (netif_msg_ifup(ugeth))
 295                                 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
 296                         return snum;
 297                 }
 298                 if ((i == 0) && skip_page_for_first_entry)
 299                 /* First entry of Rx does not have page */
 300                         init_enet_offset = 0;
 301                 else {
 302                         init_enet_offset =
 303                             qe_muram_alloc(thread_size, thread_alignment);
 304                         if (IS_ERR_VALUE(init_enet_offset)) {
 305                                 if (netif_msg_ifup(ugeth))
 306                                         ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
 307                                 qe_put_snum((u8) snum);
 308                                 return -ENOMEM;
 309                         }
 310                 }
 311                 *(p_start++) =
 312                     ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
 313                     | risc;
 314         }
 315
 316         return 0;
 317 }
 318
 319 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
 320                                     u32 *p_start,
 321                                     u8 num_entries,
 322                                     enum qe_risc_allocation risc,
 323                                     int skip_page_for_first_entry)
 324 {
 325         u32 init_enet_offset;
 326         u8 i;
 327         int snum;
 328
 329         for (i = 0; i < num_entries; i++) {
 330                 u32 val = *p_start;
 331
 332                 /* Check that this entry was actually valid --
 333                 needed in case failed in allocations */
 334                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
 335                         snum =
 336                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
 337                             ENET_INIT_PARAM_SNUM_SHIFT;
 338                         qe_put_snum((u8) snum);
 339                         if (!((i == 0) && skip_page_for_first_entry)) {
 340                         /* First entry of Rx does not have page */
 341                                 init_enet_offset =
 342                                     (val & ENET_INIT_PARAM_PTR_MASK);
 343                                 qe_muram_free(init_enet_offset);
 344                         }
 345                         *p_start++ = 0;
 346                 }
 347         }
 348
 349         return 0;
 350 }
 351
 352 #ifdef DEBUG
 353 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
 354                                   u32 __iomem *p_start,
 355                                   u8 num_entries,
 356                                   u32 thread_size,
 357                                   enum qe_risc_allocation risc,
 358                                   int skip_page_for_first_entry)
 359 {
 360         u32 init_enet_offset;
 361         u8 i;
 362         int snum;
 363
 364         for (i = 0; i < num_entries; i++) {
 365                 u32 val = in_be32(p_start);
 366
 367                 /* Check that this entry was actually valid --
 368                 needed in case failed in allocations */
 369                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
 370                         snum =
 371                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
 372                             ENET_INIT_PARAM_SNUM_SHIFT;
 373                         qe_put_snum((u8) snum);
 374                         if (!((i == 0) && skip_page_for_first_entry)) {
 375                         /* First entry of Rx does not have page */
 376                                 init_enet_offset =
 377                                     (in_be32(p_start) &
 378                                      ENET_INIT_PARAM_PTR_MASK);
 379                                 ugeth_info("Init enet entry %d:", i);
 380                                 ugeth_info("Base address: 0x%08x",
 381                                            (u32)
 382                                            qe_muram_addr(init_enet_offset));
 383                                 mem_disp(qe_muram_addr(init_enet_offset),
 384                                          thread_size);
 385                         }
 386                         p_start++;
 387                 }
 388         }
 389
 390         return 0;
 391 }
 392 #endif
 393
 394 #ifdef CONFIG_UGETH_FILTERING
 395 static struct enet_addr_container *get_enet_addr_container(void)
 396 {
 397         struct enet_addr_container *enet_addr_cont;
 398
 399         /* allocate memory */
 400         enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL);
 401         if (!enet_addr_cont) {
 402                 ugeth_err("%s: No memory for enet_addr_container object.",
 403                           __func__);
 404                 return NULL;
 405         }
 406
 407         return enet_addr_cont;
 408 }
 409 #endif /* CONFIG_UGETH_FILTERING */
 410
 411 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
 412 {
 413         kfree(enet_addr_cont);
 414 }
 415
 416 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
 417 {
 418         out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
 419         out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
 420         out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
 421 }
 422
 423 #ifdef CONFIG_UGETH_FILTERING
 424 static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth,
 425                                 u8 *p_enet_addr, u8 paddr_num)
 426 {
 427         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
 428
 429         if (!(paddr_num < NUM_OF_PADDRS)) {
 430                 ugeth_warn("%s: Illegal paddr_num.", __func__);
 431                 return -EINVAL;
 432         }
 433
 434         p_82xx_addr_filt =
 435             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
 436             addressfiltering;
 437
 438         /* Ethernet frames are defined in Little Endian mode,    */
 439         /* therefore to insert the address we reverse the bytes. */
 440         set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr);
 441         return 0;
 442 }
 443 #endif /* CONFIG_UGETH_FILTERING */
 444
 445 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
 446 {
 447         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
 448
 449         if (!(paddr_num < NUM_OF_PADDRS)) {
 450                 ugeth_warn("%s: Illagel paddr_num.", __func__);
 451                 return -EINVAL;
 452         }
 453
 454         p_82xx_addr_filt =
 455             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
 456             addressfiltering;
 457
 458         /* Writing address ff.ff.ff.ff.ff.ff disables address
 459         recognition for this register */
 460         out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
 461         out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
 462         out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
 463
 464         return 0;
 465 }
 466
 467 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
 468                                 u8 *p_enet_addr)
 469 {
 470         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
 471         u32 cecr_subblock;
 472
 473         p_82xx_addr_filt =
 474             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
 475             addressfiltering;
 476
 477         cecr_subblock =
 478             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
 479
 480         /* Ethernet frames are defined in Little Endian mode,
 481         therefor to insert */
 482         /* the address to the hash (Big Endian mode), we reverse the bytes.*/
 483
 484         set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
 485
 486         qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
 487                      QE_CR_PROTOCOL_ETHERNET, 0);
 488 }
 489
 490 #ifdef CONFIG_UGETH_MAGIC_PACKET
 491 static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
 492 {
 493         struct ucc_fast_private *uccf;
 494         struct ucc_geth __iomem *ug_regs;
 495         u32 maccfg2, uccm;
 496
 497         uccf = ugeth->uccf;
 498         ug_regs = ugeth->ug_regs;
 499
 500         /* Enable interrupts for magic packet detection */
 501         uccm = in_be32(uccf->p_uccm);
 502         uccm |= UCCE_MPD;
 503         out_be32(uccf->p_uccm, uccm);
 504
 505         /* Enable magic packet detection */
 506         maccfg2 = in_be32(&ug_regs->maccfg2);
 507         maccfg2 |= MACCFG2_MPE;
 508         out_be32(&ug_regs->maccfg2, maccfg2);
 509 }
 510
 511 static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
 512 {
 513         struct ucc_fast_private *uccf;
 514         struct ucc_geth __iomem *ug_regs;
 515         u32 maccfg2, uccm;
 516
 517         uccf = ugeth->uccf;
 518         ug_regs = ugeth->ug_regs;
 519
 520         /* Disable interrupts for magic packet detection */
 521         uccm = in_be32(uccf->p_uccm);
 522         uccm &= ~UCCE_MPD;
 523         out_be32(uccf->p_uccm, uccm);
 524
 525         /* Disable magic packet detection */
 526         maccfg2 = in_be32(&ug_regs->maccfg2);
 527         maccfg2 &= ~MACCFG2_MPE;
 528         out_be32(&ug_regs->maccfg2, maccfg2);
 529 }
 530 #endif /* MAGIC_PACKET */
 531
 532 static inline int compare_addr(u8 **addr1, u8 **addr2)
 533 {
 534         return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
 535 }
 536
 537 #ifdef DEBUG
 538 static void get_statistics(struct ucc_geth_private *ugeth,
 539                            struct ucc_geth_tx_firmware_statistics *
 540                            tx_firmware_statistics,
 541                            struct ucc_geth_rx_firmware_statistics *
 542                            rx_firmware_statistics,
 543                            struct ucc_geth_hardware_statistics *hardware_statistics)
 544 {
 545         struct ucc_fast __iomem *uf_regs;
 546         struct ucc_geth __iomem *ug_regs;
 547         struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
 548         struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
 549
 550         ug_regs = ugeth->ug_regs;
 551         uf_regs = (struct ucc_fast __iomem *) ug_regs;
 552         p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
 553         p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
 554
 555         /* Tx firmware only if user handed pointer and driver actually
 556         gathers Tx firmware statistics */
 557         if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
 558                 tx_firmware_statistics->sicoltx =
 559                     in_be32(&p_tx_fw_statistics_pram->sicoltx);
 560                 tx_firmware_statistics->mulcoltx =
 561                     in_be32(&p_tx_fw_statistics_pram->mulcoltx);
 562                 tx_firmware_statistics->latecoltxfr =
 563                     in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
 564                 tx_firmware_statistics->frabortduecol =
 565                     in_be32(&p_tx_fw_statistics_pram->frabortduecol);
 566                 tx_firmware_statistics->frlostinmactxer =
 567                     in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
 568                 tx_firmware_statistics->carriersenseertx =
 569                     in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
 570                 tx_firmware_statistics->frtxok =
 571                     in_be32(&p_tx_fw_statistics_pram->frtxok);
 572                 tx_firmware_statistics->txfrexcessivedefer =
 573                     in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
 574                 tx_firmware_statistics->txpkts256 =
 575                     in_be32(&p_tx_fw_statistics_pram->txpkts256);
 576                 tx_firmware_statistics->txpkts512 =
 577                     in_be32(&p_tx_fw_statistics_pram->txpkts512);
 578                 tx_firmware_statistics->txpkts1024 =
 579                     in_be32(&p_tx_fw_statistics_pram->txpkts1024);
 580                 tx_firmware_statistics->txpktsjumbo =
 581                     in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
 582         }
 583
 584         /* Rx firmware only if user handed pointer and driver actually
 585          * gathers Rx firmware statistics */
 586         if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
 587                 int i;
 588                 rx_firmware_statistics->frrxfcser =
 589                     in_be32(&p_rx_fw_statistics_pram->frrxfcser);
 590                 rx_firmware_statistics->fraligner =
 591                     in_be32(&p_rx_fw_statistics_pram->fraligner);
 592                 rx_firmware_statistics->inrangelenrxer =
 593                     in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
 594                 rx_firmware_statistics->outrangelenrxer =
 595                     in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
 596                 rx_firmware_statistics->frtoolong =
 597                     in_be32(&p_rx_fw_statistics_pram->frtoolong);
 598                 rx_firmware_statistics->runt =
 599                     in_be32(&p_rx_fw_statistics_pram->runt);
 600                 rx_firmware_statistics->verylongevent =
 601                     in_be32(&p_rx_fw_statistics_pram->verylongevent);
 602                 rx_firmware_statistics->symbolerror =
 603                     in_be32(&p_rx_fw_statistics_pram->symbolerror);
 604                 rx_firmware_statistics->dropbsy =
 605                     in_be32(&p_rx_fw_statistics_pram->dropbsy);
 606                 for (i = 0; i < 0x8; i++)
 607                         rx_firmware_statistics->res0[i] =
 608                             p_rx_fw_statistics_pram->res0[i];
 609                 rx_firmware_statistics->mismatchdrop =
 610                     in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
 611                 rx_firmware_statistics->underpkts =
 612                     in_be32(&p_rx_fw_statistics_pram->underpkts);
 613                 rx_firmware_statistics->pkts256 =
 614                     in_be32(&p_rx_fw_statistics_pram->pkts256);
 615                 rx_firmware_statistics->pkts512 =
 616                     in_be32(&p_rx_fw_statistics_pram->pkts512);
 617                 rx_firmware_statistics->pkts1024 =
 618                     in_be32(&p_rx_fw_statistics_pram->pkts1024);
 619                 rx_firmware_statistics->pktsjumbo =
 620                     in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
 621                 rx_firmware_statistics->frlossinmacer =
 622                     in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
 623                 rx_firmware_statistics->pausefr =
 624                     in_be32(&p_rx_fw_statistics_pram->pausefr);
 625                 for (i = 0; i < 0x4; i++)
 626                         rx_firmware_statistics->res1[i] =
 627                             p_rx_fw_statistics_pram->res1[i];
 628                 rx_firmware_statistics->removevlan =
 629                     in_be32(&p_rx_fw_statistics_pram->removevlan);
 630                 rx_firmware_statistics->replacevlan =
 631                     in_be32(&p_rx_fw_statistics_pram->replacevlan);
 632                 rx_firmware_statistics->insertvlan =
 633                     in_be32(&p_rx_fw_statistics_pram->insertvlan);
 634         }
 635
 636         /* Hardware only if user handed pointer and driver actually
 637         gathers hardware statistics */
 638         if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) {
 639                 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
 640                 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
 641                 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
 642                 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
 643                 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
 644                 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
 645                 hardware_statistics->txok = in_be32(&ug_regs->txok);
 646                 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
 647                 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
 648                 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
 649                 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
 650                 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
 651                 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
 652                 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
 653                 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
 654         }
 655 }
 656
 657 static void dump_bds(struct ucc_geth_private *ugeth)
 658 {
 659         int i;
 660         int length;
 661
 662         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
 663                 if (ugeth->p_tx_bd_ring[i]) {
 664                         length =
 665                             (ugeth->ug_info->bdRingLenTx[i] *
 666                              sizeof(struct qe_bd));
 667                         ugeth_info("TX BDs[%d]", i);
 668                         mem_disp(ugeth->p_tx_bd_ring[i], length);
 669                 }
 670         }
 671         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 672                 if (ugeth->p_rx_bd_ring[i]) {
 673                         length =
 674                             (ugeth->ug_info->bdRingLenRx[i] *
 675                              sizeof(struct qe_bd));
 676                         ugeth_info("RX BDs[%d]", i);
 677                         mem_disp(ugeth->p_rx_bd_ring[i], length);
 678                 }
 679         }
 680 }
 681
 682 static void dump_regs(struct ucc_geth_private *ugeth)
 683 {
 684         int i;
 685
 686         ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
 687         ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
 688
 689         ugeth_info("maccfg1    : addr - 0x%08x, val - 0x%08x",
 690                    (u32) & ugeth->ug_regs->maccfg1,
 691                    in_be32(&ugeth->ug_regs->maccfg1));
 692         ugeth_info("maccfg2    : addr - 0x%08x, val - 0x%08x",
 693                    (u32) & ugeth->ug_regs->maccfg2,
 694                    in_be32(&ugeth->ug_regs->maccfg2));
 695         ugeth_info("ipgifg     : addr - 0x%08x, val - 0x%08x",
 696                    (u32) & ugeth->ug_regs->ipgifg,
 697                    in_be32(&ugeth->ug_regs->ipgifg));
 698         ugeth_info("hafdup     : addr - 0x%08x, val - 0x%08x",
 699                    (u32) & ugeth->ug_regs->hafdup,
 700                    in_be32(&ugeth->ug_regs->hafdup));
 701         ugeth_info("ifctl      : addr - 0x%08x, val - 0x%08x",
 702                    (u32) & ugeth->ug_regs->ifctl,
 703                    in_be32(&ugeth->ug_regs->ifctl));
 704         ugeth_info("ifstat     : addr - 0x%08x, val - 0x%08x",
 705                    (u32) & ugeth->ug_regs->ifstat,
 706                    in_be32(&ugeth->ug_regs->ifstat));
 707         ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
 708                    (u32) & ugeth->ug_regs->macstnaddr1,
 709                    in_be32(&ugeth->ug_regs->macstnaddr1));
 710         ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
 711                    (u32) & ugeth->ug_regs->macstnaddr2,
 712                    in_be32(&ugeth->ug_regs->macstnaddr2));
 713         ugeth_info("uempr      : addr - 0x%08x, val - 0x%08x",
 714                    (u32) & ugeth->ug_regs->uempr,
 715                    in_be32(&ugeth->ug_regs->uempr));
 716         ugeth_info("utbipar    : addr - 0x%08x, val - 0x%08x",
 717                    (u32) & ugeth->ug_regs->utbipar,
 718                    in_be32(&ugeth->ug_regs->utbipar));
 719         ugeth_info("uescr      : addr - 0x%08x, val - 0x%04x",
 720                    (u32) & ugeth->ug_regs->uescr,
 721                    in_be16(&ugeth->ug_regs->uescr));
 722         ugeth_info("tx64       : addr - 0x%08x, val - 0x%08x",
 723                    (u32) & ugeth->ug_regs->tx64,
 724                    in_be32(&ugeth->ug_regs->tx64));
 725         ugeth_info("tx127      : addr - 0x%08x, val - 0x%08x",
 726                    (u32) & ugeth->ug_regs->tx127,
 727                    in_be32(&ugeth->ug_regs->tx127));
 728         ugeth_info("tx255      : addr - 0x%08x, val - 0x%08x",
 729                    (u32) & ugeth->ug_regs->tx255,
 730                    in_be32(&ugeth->ug_regs->tx255));
 731         ugeth_info("rx64       : addr - 0x%08x, val - 0x%08x",
 732                    (u32) & ugeth->ug_regs->rx64,
 733                    in_be32(&ugeth->ug_regs->rx64));
 734         ugeth_info("rx127      : addr - 0x%08x, val - 0x%08x",
 735                    (u32) & ugeth->ug_regs->rx127,
 736                    in_be32(&ugeth->ug_regs->rx127));
 737         ugeth_info("rx255      : addr - 0x%08x, val - 0x%08x",
 738                    (u32) & ugeth->ug_regs->rx255,
 739                    in_be32(&ugeth->ug_regs->rx255));
 740         ugeth_info("txok       : addr - 0x%08x, val - 0x%08x",
 741                    (u32) & ugeth->ug_regs->txok,
 742                    in_be32(&ugeth->ug_regs->txok));
 743         ugeth_info("txcf       : addr - 0x%08x, val - 0x%04x",
 744                    (u32) & ugeth->ug_regs->txcf,
 745                    in_be16(&ugeth->ug_regs->txcf));
 746         ugeth_info("tmca       : addr - 0x%08x, val - 0x%08x",
 747                    (u32) & ugeth->ug_regs->tmca,
 748                    in_be32(&ugeth->ug_regs->tmca));
 749         ugeth_info("tbca       : addr - 0x%08x, val - 0x%08x",
 750                    (u32) & ugeth->ug_regs->tbca,
 751                    in_be32(&ugeth->ug_regs->tbca));
 752         ugeth_info("rxfok      : addr - 0x%08x, val - 0x%08x",
 753                    (u32) & ugeth->ug_regs->rxfok,
 754                    in_be32(&ugeth->ug_regs->rxfok));
 755         ugeth_info("rxbok      : addr - 0x%08x, val - 0x%08x",
 756                    (u32) & ugeth->ug_regs->rxbok,
 757                    in_be32(&ugeth->ug_regs->rxbok));
 758         ugeth_info("rbyt       : addr - 0x%08x, val - 0x%08x",
 759                    (u32) & ugeth->ug_regs->rbyt,
 760                    in_be32(&ugeth->ug_regs->rbyt));
 761         ugeth_info("rmca       : addr - 0x%08x, val - 0x%08x",
 762                    (u32) & ugeth->ug_regs->rmca,
 763                    in_be32(&ugeth->ug_regs->rmca));
 764         ugeth_info("rbca       : addr - 0x%08x, val - 0x%08x",
 765                    (u32) & ugeth->ug_regs->rbca,
 766                    in_be32(&ugeth->ug_regs->rbca));
 767         ugeth_info("scar       : addr - 0x%08x, val - 0x%08x",
 768                    (u32) & ugeth->ug_regs->scar,
 769                    in_be32(&ugeth->ug_regs->scar));
 770         ugeth_info("scam       : addr - 0x%08x, val - 0x%08x",
 771                    (u32) & ugeth->ug_regs->scam,
 772                    in_be32(&ugeth->ug_regs->scam));
 773
 774         if (ugeth->p_thread_data_tx) {
 775                 int numThreadsTxNumerical;
 776                 switch (ugeth->ug_info->numThreadsTx) {
 777                 case UCC_GETH_NUM_OF_THREADS_1:
 778                         numThreadsTxNumerical = 1;
 779                         break;
 780                 case UCC_GETH_NUM_OF_THREADS_2:
 781                         numThreadsTxNumerical = 2;
 782                         break;
 783                 case UCC_GETH_NUM_OF_THREADS_4:
 784                         numThreadsTxNumerical = 4;
 785                         break;
 786                 case UCC_GETH_NUM_OF_THREADS_6:
 787                         numThreadsTxNumerical = 6;
 788                         break;
 789                 case UCC_GETH_NUM_OF_THREADS_8:
 790                         numThreadsTxNumerical = 8;
 791                         break;
 792                 default:
 793                         numThreadsTxNumerical = 0;
 794                         break;
 795                 }
 796
 797                 ugeth_info("Thread data TXs:");
 798                 ugeth_info("Base address: 0x%08x",
 799                            (u32) ugeth->p_thread_data_tx);
 800                 for (i = 0; i < numThreadsTxNumerical; i++) {
 801                         ugeth_info("Thread data TX[%d]:", i);
 802                         ugeth_info("Base address: 0x%08x",
 803                                    (u32) & ugeth->p_thread_data_tx[i]);
 804                         mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
 805                                  sizeof(struct ucc_geth_thread_data_tx));
 806                 }
 807         }
 808         if (ugeth->p_thread_data_rx) {
 809                 int numThreadsRxNumerical;
 810                 switch (ugeth->ug_info->numThreadsRx) {
 811                 case UCC_GETH_NUM_OF_THREADS_1:
 812                         numThreadsRxNumerical = 1;
 813                         break;
 814                 case UCC_GETH_NUM_OF_THREADS_2:
 815                         numThreadsRxNumerical = 2;
 816                         break;
 817                 case UCC_GETH_NUM_OF_THREADS_4:
 818                         numThreadsRxNumerical = 4;
 819                         break;
 820                 case UCC_GETH_NUM_OF_THREADS_6:
 821                         numThreadsRxNumerical = 6;
 822                         break;
 823                 case UCC_GETH_NUM_OF_THREADS_8:
 824                         numThreadsRxNumerical = 8;
 825                         break;
 826                 default:
 827                         numThreadsRxNumerical = 0;
 828                         break;
 829                 }
 830
 831                 ugeth_info("Thread data RX:");
 832                 ugeth_info("Base address: 0x%08x",
 833                            (u32) ugeth->p_thread_data_rx);
 834                 for (i = 0; i < numThreadsRxNumerical; i++) {
 835                         ugeth_info("Thread data RX[%d]:", i);
 836                         ugeth_info("Base address: 0x%08x",
 837                                    (u32) & ugeth->p_thread_data_rx[i]);
 838                         mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
 839                                  sizeof(struct ucc_geth_thread_data_rx));
 840                 }
 841         }
 842         if (ugeth->p_exf_glbl_param) {
 843                 ugeth_info("EXF global param:");
 844                 ugeth_info("Base address: 0x%08x",
 845                            (u32) ugeth->p_exf_glbl_param);
 846                 mem_disp((u8 *) ugeth->p_exf_glbl_param,
 847                          sizeof(*ugeth->p_exf_glbl_param));
 848         }
 849         if (ugeth->p_tx_glbl_pram) {
 850                 ugeth_info("TX global param:");
 851                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
 852                 ugeth_info("temoder      : addr - 0x%08x, val - 0x%04x",
 853                            (u32) & ugeth->p_tx_glbl_pram->temoder,
 854                            in_be16(&ugeth->p_tx_glbl_pram->temoder));
 855                 ugeth_info("sqptr        : addr - 0x%08x, val - 0x%08x",
 856                            (u32) & ugeth->p_tx_glbl_pram->sqptr,
 857                            in_be32(&ugeth->p_tx_glbl_pram->sqptr));
 858                 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
 859                            (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
 860                            in_be32(&ugeth->p_tx_glbl_pram->
 861                                    schedulerbasepointer));
 862                 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
 863                            (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
 864                            in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
 865                 ugeth_info("tstate       : addr - 0x%08x, val - 0x%08x",
 866                            (u32) & ugeth->p_tx_glbl_pram->tstate,
 867                            in_be32(&ugeth->p_tx_glbl_pram->tstate));
 868                 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
 869                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
 870                            ugeth->p_tx_glbl_pram->iphoffset[0]);
 871                 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
 872                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
 873                            ugeth->p_tx_glbl_pram->iphoffset[1]);
 874                 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
 875                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
 876                            ugeth->p_tx_glbl_pram->iphoffset[2]);
 877                 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
 878                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
 879                            ugeth->p_tx_glbl_pram->iphoffset[3]);
 880                 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
 881                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
 882                            ugeth->p_tx_glbl_pram->iphoffset[4]);
 883                 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
 884                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
 885                            ugeth->p_tx_glbl_pram->iphoffset[5]);
 886                 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
 887                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
 888                            ugeth->p_tx_glbl_pram->iphoffset[6]);
 889                 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
 890                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
 891                            ugeth->p_tx_glbl_pram->iphoffset[7]);
 892                 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
 893                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
 894                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
 895                 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
 896                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
 897                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
 898                 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
 899                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
 900                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
 901                 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
 902                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
 903                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
 904                 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
 905                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
 906                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
 907                 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
 908                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
 909                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
 910                 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
 911                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
 912                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
 913                 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
 914                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
 915                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
 916                 ugeth_info("tqptr        : addr - 0x%08x, val - 0x%08x",
 917                            (u32) & ugeth->p_tx_glbl_pram->tqptr,
 918                            in_be32(&ugeth->p_tx_glbl_pram->tqptr));
 919         }
 920         if (ugeth->p_rx_glbl_pram) {
 921                 ugeth_info("RX global param:");
 922                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
 923                 ugeth_info("remoder         : addr - 0x%08x, val - 0x%08x",
 924                            (u32) & ugeth->p_rx_glbl_pram->remoder,
 925                            in_be32(&ugeth->p_rx_glbl_pram->remoder));
 926                 ugeth_info("rqptr           : addr - 0x%08x, val - 0x%08x",
 927                            (u32) & ugeth->p_rx_glbl_pram->rqptr,
 928                            in_be32(&ugeth->p_rx_glbl_pram->rqptr));
 929                 ugeth_info("typeorlen       : addr - 0x%08x, val - 0x%04x",
 930                            (u32) & ugeth->p_rx_glbl_pram->typeorlen,
 931                            in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
 932                 ugeth_info("rxgstpack       : addr - 0x%08x, val - 0x%02x",
 933                            (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
 934                            ugeth->p_rx_glbl_pram->rxgstpack);
 935                 ugeth_info("rxrmonbaseptr   : addr - 0x%08x, val - 0x%08x",
 936                            (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
 937                            in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
 938                 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
 939                            (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
 940                            in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
 941                 ugeth_info("rstate          : addr - 0x%08x, val - 0x%02x",
 942                            (u32) & ugeth->p_rx_glbl_pram->rstate,
 943                            ugeth->p_rx_glbl_pram->rstate);
 944                 ugeth_info("mrblr           : addr - 0x%08x, val - 0x%04x",
 945                            (u32) & ugeth->p_rx_glbl_pram->mrblr,
 946                            in_be16(&ugeth->p_rx_glbl_pram->mrblr));
 947                 ugeth_info("rbdqptr         : addr - 0x%08x, val - 0x%08x",
 948                            (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
 949                            in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
 950                 ugeth_info("mflr            : addr - 0x%08x, val - 0x%04x",
 951                            (u32) & ugeth->p_rx_glbl_pram->mflr,
 952                            in_be16(&ugeth->p_rx_glbl_pram->mflr));
 953                 ugeth_info("minflr          : addr - 0x%08x, val - 0x%04x",
 954                            (u32) & ugeth->p_rx_glbl_pram->minflr,
 955                            in_be16(&ugeth->p_rx_glbl_pram->minflr));
 956                 ugeth_info("maxd1           : addr - 0x%08x, val - 0x%04x",
 957                            (u32) & ugeth->p_rx_glbl_pram->maxd1,
 958                            in_be16(&ugeth->p_rx_glbl_pram->maxd1));
 959                 ugeth_info("maxd2           : addr - 0x%08x, val - 0x%04x",
 960                            (u32) & ugeth->p_rx_glbl_pram->maxd2,
 961                            in_be16(&ugeth->p_rx_glbl_pram->maxd2));
 962                 ugeth_info("ecamptr         : addr - 0x%08x, val - 0x%08x",
 963                            (u32) & ugeth->p_rx_glbl_pram->ecamptr,
 964                            in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
 965                 ugeth_info("l2qt            : addr - 0x%08x, val - 0x%08x",
 966                            (u32) & ugeth->p_rx_glbl_pram->l2qt,
 967                            in_be32(&ugeth->p_rx_glbl_pram->l2qt));
 968                 ugeth_info("l3qt[0]         : addr - 0x%08x, val - 0x%08x",
 969                            (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
 970                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
 971                 ugeth_info("l3qt[1]         : addr - 0x%08x, val - 0x%08x",
 972                            (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
 973                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
 974                 ugeth_info("l3qt[2]         : addr - 0x%08x, val - 0x%08x",
 975                            (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
 976                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
 977                 ugeth_info("l3qt[3]         : addr - 0x%08x, val - 0x%08x",
 978                            (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
 979                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
 980                 ugeth_info("l3qt[4]         : addr - 0x%08x, val - 0x%08x",
 981                            (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
 982                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
 983                 ugeth_info("l3qt[5]         : addr - 0x%08x, val - 0x%08x",
 984                            (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
 985                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
 986                 ugeth_info("l3qt[6]         : addr - 0x%08x, val - 0x%08x",
 987                            (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
 988                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
 989                 ugeth_info("l3qt[7]         : addr - 0x%08x, val - 0x%08x",
 990                            (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
 991                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
 992                 ugeth_info("vlantype        : addr - 0x%08x, val - 0x%04x",
 993                            (u32) & ugeth->p_rx_glbl_pram->vlantype,
 994                            in_be16(&ugeth->p_rx_glbl_pram->vlantype));
 995                 ugeth_info("vlantci         : addr - 0x%08x, val - 0x%04x",
 996                            (u32) & ugeth->p_rx_glbl_pram->vlantci,
 997                            in_be16(&ugeth->p_rx_glbl_pram->vlantci));
 998                 for (i = 0; i < 64; i++)
 999                         ugeth_info
1000                     ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
1001                              i,
1002                              (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
1003                              ugeth->p_rx_glbl_pram->addressfiltering[i]);
1004                 ugeth_info("exfGlobalParam  : addr - 0x%08x, val - 0x%08x",
1005                            (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
1006                            in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
1007         }
1008         if (ugeth->p_send_q_mem_reg) {
1009                 ugeth_info("Send Q memory registers:");
1010                 ugeth_info("Base address: 0x%08x",
1011                            (u32) ugeth->p_send_q_mem_reg);
1012                 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1013                         ugeth_info("SQQD[%d]:", i);
1014                         ugeth_info("Base address: 0x%08x",
1015                                    (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
1016                         mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
1017                                  sizeof(struct ucc_geth_send_queue_qd));
1018                 }
1019         }
1020         if (ugeth->p_scheduler) {
1021                 ugeth_info("Scheduler:");
1022                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
1023                 mem_disp((u8 *) ugeth->p_scheduler,
1024                          sizeof(*ugeth->p_scheduler));
1025         }
1026         if (ugeth->p_tx_fw_statistics_pram) {
1027                 ugeth_info("TX FW statistics pram:");
1028                 ugeth_info("Base address: 0x%08x",
1029                            (u32) ugeth->p_tx_fw_statistics_pram);
1030                 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
1031                          sizeof(*ugeth->p_tx_fw_statistics_pram));
1032         }
1033         if (ugeth->p_rx_fw_statistics_pram) {
1034                 ugeth_info("RX FW statistics pram:");
1035                 ugeth_info("Base address: 0x%08x",
1036                            (u32) ugeth->p_rx_fw_statistics_pram);
1037                 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
1038                          sizeof(*ugeth->p_rx_fw_statistics_pram));
1039         }
1040         if (ugeth->p_rx_irq_coalescing_tbl) {
1041                 ugeth_info("RX IRQ coalescing tables:");
1042                 ugeth_info("Base address: 0x%08x",
1043                            (u32) ugeth->p_rx_irq_coalescing_tbl);
1044                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1045                         ugeth_info("RX IRQ coalescing table entry[%d]:", i);
1046                         ugeth_info("Base address: 0x%08x",
1047                                    (u32) & ugeth->p_rx_irq_coalescing_tbl->
1048                                    coalescingentry[i]);
1049                         ugeth_info
1050                 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
1051                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1052                              coalescingentry[i].interruptcoalescingmaxvalue,
1053                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1054                                      coalescingentry[i].
1055                                      interruptcoalescingmaxvalue));
1056                         ugeth_info
1057                 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
1058                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1059                              coalescingentry[i].interruptcoalescingcounter,
1060                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1061                                      coalescingentry[i].
1062                                      interruptcoalescingcounter));
1063                 }
1064         }
1065         if (ugeth->p_rx_bd_qs_tbl) {
1066                 ugeth_info("RX BD QS tables:");
1067                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1068                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1069                         ugeth_info("RX BD QS table[%d]:", i);
1070                         ugeth_info("Base address: 0x%08x",
1071                                    (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1072                         ugeth_info
1073                             ("bdbaseptr        : addr - 0x%08x, val - 0x%08x",
1074                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1075                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1076                         ugeth_info
1077                             ("bdptr            : addr - 0x%08x, val - 0x%08x",
1078                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1079                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1080                         ugeth_info
1081                             ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1082                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1083                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1084                                      externalbdbaseptr));
1085                         ugeth_info
1086                             ("externalbdptr    : addr - 0x%08x, val - 0x%08x",
1087                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1088                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1089                         ugeth_info("ucode RX Prefetched BDs:");
1090                         ugeth_info("Base address: 0x%08x",
1091                                    (u32)
1092                                    qe_muram_addr(in_be32
1093                                                  (&ugeth->p_rx_bd_qs_tbl[i].
1094                                                   bdbaseptr)));
1095                         mem_disp((u8 *)
1096                                  qe_muram_addr(in_be32
1097                                                (&ugeth->p_rx_bd_qs_tbl[i].
1098                                                 bdbaseptr)),
1099                                  sizeof(struct ucc_geth_rx_prefetched_bds));
1100                 }
1101         }
1102         if (ugeth->p_init_enet_param_shadow) {
1103                 int size;
1104                 ugeth_info("Init enet param shadow:");
1105                 ugeth_info("Base address: 0x%08x",
1106                            (u32) ugeth->p_init_enet_param_shadow);
1107                 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1108                          sizeof(*ugeth->p_init_enet_param_shadow));
1109
1110                 size = sizeof(struct ucc_geth_thread_rx_pram);
1111                 if (ugeth->ug_info->rxExtendedFiltering) {
1112                         size +=
1113                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1114                         if (ugeth->ug_info->largestexternallookupkeysize ==
1115                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1116                                 size +=
1117                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1118                         if (ugeth->ug_info->largestexternallookupkeysize ==
1119                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1120                                 size +=
1121                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1122                 }
1123
1124                 dump_init_enet_entries(ugeth,
1125                                        &(ugeth->p_init_enet_param_shadow->
1126                                          txthread[0]),
1127                                        ENET_INIT_PARAM_MAX_ENTRIES_TX,
1128                                        sizeof(struct ucc_geth_thread_tx_pram),
1129                                        ugeth->ug_info->riscTx, 0);
1130                 dump_init_enet_entries(ugeth,
1131                                        &(ugeth->p_init_enet_param_shadow->
1132                                          rxthread[0]),
1133                                        ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1134                                        ugeth->ug_info->riscRx, 1);
1135         }
1136 }
1137 #endif /* DEBUG */
1138
1139 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1140                                   u32 __iomem *maccfg1_register,
1141                                   u32 __iomem *maccfg2_register)
1142 {
1143         out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1144         out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1145         out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1146 }
1147
1148 static int init_half_duplex_params(int alt_beb,
1149                                    int back_pressure_no_backoff,
1150                                    int no_backoff,
1151                                    int excess_defer,
1152                                    u8 alt_beb_truncation,
1153                                    u8 max_retransmissions,
1154                                    u8 collision_window,
1155                                    u32 __iomem *hafdup_register)
1156 {
1157         u32 value = 0;
1158
1159         if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1160             (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1161             (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1162                 return -EINVAL;
1163
1164         value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1165
1166         if (alt_beb)
1167                 value |= HALFDUP_ALT_BEB;
1168         if (back_pressure_no_backoff)
1169                 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1170         if (no_backoff)
1171                 value |= HALFDUP_NO_BACKOFF;
1172         if (excess_defer)
1173                 value |= HALFDUP_EXCESSIVE_DEFER;
1174
1175         value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1176
1177         value |= collision_window;
1178
1179         out_be32(hafdup_register, value);
1180         return 0;
1181 }
1182
1183 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1184                                        u8 non_btb_ipg,
1185                                        u8 min_ifg,
1186                                        u8 btb_ipg,
1187                                        u32 __iomem *ipgifg_register)
1188 {
1189         u32 value = 0;
1190
1191         /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1192         IPG part 2 */
1193         if (non_btb_cs_ipg > non_btb_ipg)
1194                 return -EINVAL;
1195
1196         if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1197             (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1198             /*(min_ifg        > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1199             (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1200                 return -EINVAL;
1201
1202         value |=
1203             ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1204              IPGIFG_NBTB_CS_IPG_MASK);
1205         value |=
1206             ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1207              IPGIFG_NBTB_IPG_MASK);
1208         value |=
1209             ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1210              IPGIFG_MIN_IFG_MASK);
1211         value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1212
1213         out_be32(ipgifg_register, value);
1214         return 0;
1215 }
1216
1217 int init_flow_control_params(u32 automatic_flow_control_mode,
1218                                     int rx_flow_control_enable,
1219                                     int tx_flow_control_enable,
1220                                     u16 pause_period,
1221                                     u16 extension_field,
1222                                     u32 __iomem *upsmr_register,
1223                                     u32 __iomem *uempr_register,
1224                                     u32 __iomem *maccfg1_register)
1225 {
1226         u32 value = 0;
1227
1228         /* Set UEMPR register */
1229         value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1230         value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1231         out_be32(uempr_register, value);
1232
1233         /* Set UPSMR register */
1234         value = in_be32(upsmr_register);
1235         value |= automatic_flow_control_mode;
1236         out_be32(upsmr_register, value);
1237
1238         value = in_be32(maccfg1_register);
1239         if (rx_flow_control_enable)
1240                 value |= MACCFG1_FLOW_RX;
1241         if (tx_flow_control_enable)
1242                 value |= MACCFG1_FLOW_TX;
1243         out_be32(maccfg1_register, value);
1244
1245         return 0;
1246 }
1247
1248 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1249                                              int auto_zero_hardware_statistics,
1250                                              u32 __iomem *upsmr_register,
1251                                              u16 __iomem *uescr_register)
1252 {
1253         u32 upsmr_value = 0;
1254         u16 uescr_value = 0;
1255         /* Enable hardware statistics gathering if requested */
1256         if (enable_hardware_statistics) {
1257                 upsmr_value = in_be32(upsmr_register);
1258                 upsmr_value |= UPSMR_HSE;
1259                 out_be32(upsmr_register, upsmr_value);
1260         }
1261
1262         /* Clear hardware statistics counters */
1263         uescr_value = in_be16(uescr_register);
1264         uescr_value |= UESCR_CLRCNT;
1265         /* Automatically zero hardware statistics counters on read,
1266         if requested */
1267         if (auto_zero_hardware_statistics)
1268                 uescr_value |= UESCR_AUTOZ;
1269         out_be16(uescr_register, uescr_value);
1270
1271         return 0;
1272 }
1273
1274 static int init_firmware_statistics_gathering_mode(int
1275                 enable_tx_firmware_statistics,
1276                 int enable_rx_firmware_statistics,
1277                 u32 __iomem *tx_rmon_base_ptr,
1278                 u32 tx_firmware_statistics_structure_address,
1279                 u32 __iomem *rx_rmon_base_ptr,
1280                 u32 rx_firmware_statistics_structure_address,
1281                 u16 __iomem *temoder_register,
1282                 u32 __iomem *remoder_register)
1283 {
1284         /* Note: this function does not check if */
1285         /* the parameters it receives are NULL   */
1286         u16 temoder_value;
1287         u32 remoder_value;
1288
1289         if (enable_tx_firmware_statistics) {
1290                 out_be32(tx_rmon_base_ptr,
1291                          tx_firmware_statistics_structure_address);
1292                 temoder_value = in_be16(temoder_register);
1293                 temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE;
1294                 out_be16(temoder_register, temoder_value);
1295         }
1296
1297         if (enable_rx_firmware_statistics) {
1298                 out_be32(rx_rmon_base_ptr,
1299                          rx_firmware_statistics_structure_address);
1300                 remoder_value = in_be32(remoder_register);
1301                 remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE;
1302                 out_be32(remoder_register, remoder_value);
1303         }
1304
1305         return 0;
1306 }
1307
1308 static int init_mac_station_addr_regs(u8 address_byte_0,
1309                                       u8 address_byte_1,
1310                                       u8 address_byte_2,
1311                                       u8 address_byte_3,
1312                                       u8 address_byte_4,
1313                                       u8 address_byte_5,
1314                                       u32 __iomem *macstnaddr1_register,
1315                                       u32 __iomem *macstnaddr2_register)
1316 {
1317         u32 value = 0;
1318
1319         /* Example: for a station address of 0x12345678ABCD, */
1320         /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1321
1322         /* MACSTNADDR1 Register: */
1323
1324         /* 0                      7   8                      15  */
1325         /* station address byte 5     station address byte 4     */
1326         /* 16                     23  24                     31  */
1327         /* station address byte 3     station address byte 2     */
1328         value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1329         value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1330         value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1331         value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1332
1333         out_be32(macstnaddr1_register, value);
1334
1335         /* MACSTNADDR2 Register: */
1336
1337         /* 0                      7   8                      15  */
1338         /* station address byte 1     station address byte 0     */
1339         /* 16                     23  24                     31  */
1340         /*         reserved                   reserved           */
1341         value = 0;
1342         value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1343         value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1344
1345         out_be32(macstnaddr2_register, value);
1346
1347         return 0;
1348 }
1349
1350 static int init_check_frame_length_mode(int length_check,
1351                                         u32 __iomem *maccfg2_register)
1352 {
1353         u32 value = 0;
1354
1355         value = in_be32(maccfg2_register);
1356
1357         if (length_check)
1358                 value |= MACCFG2_LC;
1359         else
1360                 value &= ~MACCFG2_LC;
1361
1362         out_be32(maccfg2_register, value);
1363         return 0;
1364 }
1365
1366 static int init_preamble_length(u8 preamble_length,
1367                                 u32 __iomem *maccfg2_register)
1368 {
1369         u32 value = 0;
1370
1371         if ((preamble_length < 3) || (preamble_length > 7))
1372                 return -EINVAL;
1373
1374         value = in_be32(maccfg2_register);
1375         value &= ~MACCFG2_PREL_MASK;
1376         value |= (preamble_length << MACCFG2_PREL_SHIFT);
1377         out_be32(maccfg2_register, value);
1378         return 0;
1379 }
1380
1381 static int init_rx_parameters(int reject_broadcast,
1382                               int receive_short_frames,
1383                               int promiscuous, u32 __iomem *upsmr_register)
1384 {
1385         u32 value = 0;
1386
1387         value = in_be32(upsmr_register);
1388
1389         if (reject_broadcast)
1390                 value |= UPSMR_BRO;
1391         else
1392                 value &= ~UPSMR_BRO;
1393
1394         if (receive_short_frames)
1395                 value |= UPSMR_RSH;
1396         else
1397                 value &= ~UPSMR_RSH;
1398
1399         if (promiscuous)
1400                 value |= UPSMR_PRO;
1401         else
1402                 value &= ~UPSMR_PRO;
1403
1404         out_be32(upsmr_register, value);
1405
1406         return 0;
1407 }
1408
1409 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1410                                 u16 __iomem *mrblr_register)
1411 {
1412         /* max_rx_buf_len value must be a multiple of 128 */
1413         if ((max_rx_buf_len == 0)
1414             || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1415                 return -EINVAL;
1416
1417         out_be16(mrblr_register, max_rx_buf_len);
1418         return 0;
1419 }
1420
1421 static int init_min_frame_len(u16 min_frame_length,
1422                               u16 __iomem *minflr_register,
1423                               u16 __iomem *mrblr_register)
1424 {
1425         u16 mrblr_value = 0;
1426
1427         mrblr_value = in_be16(mrblr_register);
1428         if (min_frame_length >= (mrblr_value - 4))
1429                 return -EINVAL;
1430
1431         out_be16(minflr_register, min_frame_length);
1432         return 0;
1433 }
1434
1435 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1436 {
1437         struct ucc_geth_info *ug_info;
1438         struct ucc_geth __iomem *ug_regs;
1439         struct ucc_fast __iomem *uf_regs;
1440         int ret_val;
1441         u32 upsmr, maccfg2, tbiBaseAddress;
1442         u16 value;
1443
1444         ugeth_vdbg("%s: IN", __func__);
1445
1446         ug_info = ugeth->ug_info;
1447         ug_regs = ugeth->ug_regs;
1448         uf_regs = ugeth->uccf->uf_regs;
1449
1450         /*                    Set MACCFG2                    */
1451         maccfg2 = in_be32(&ug_regs->maccfg2);
1452         maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1453         if ((ugeth->max_speed == SPEED_10) ||
1454             (ugeth->max_speed == SPEED_100))
1455                 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1456         else if (ugeth->max_speed == SPEED_1000)
1457                 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1458         maccfg2 |= ug_info->padAndCrc;
1459         out_be32(&ug_regs->maccfg2, maccfg2);
1460
1461         /*                    Set UPSMR                      */
1462         upsmr = in_be32(&uf_regs->upsmr);
1463         upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM);
1464         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1465             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1466             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1467             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1468             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1469             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1470                 upsmr |= UPSMR_RPM;
1471                 switch (ugeth->max_speed) {
1472                 case SPEED_10:
1473                         upsmr |= UPSMR_R10M;
1474                         /* FALLTHROUGH */
1475                 case SPEED_100:
1476                         if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1477                                 upsmr |= UPSMR_RMM;
1478                 }
1479         }
1480         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1481             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1482                 upsmr |= UPSMR_TBIM;
1483         }
1484         out_be32(&uf_regs->upsmr, upsmr);
1485
1486         /* Disable autonegotiation in tbi mode, because by default it
1487         comes up in autonegotiation mode. */
1488         /* Note that this depends on proper setting in utbipar register. */
1489         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1490             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1491                 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1492                 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1493                 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1494                 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1495                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
1496                 value &= ~0x1000;       /* Turn off autonegotiation */
1497                 ugeth->phydev->bus->write(ugeth->phydev->bus,
1498                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1499         }
1500
1501         init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1502
1503         ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1504         if (ret_val != 0) {
1505                 if (netif_msg_probe(ugeth))
1506                         ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1507                              __func__);
1508                 return ret_val;
1509         }
1510
1511         return 0;
1512 }
1513
1514 /* Called every time the controller might need to be made
1515  * aware of new link state.  The PHY code conveys this
1516  * information through variables in the ugeth structure, and this
1517  * function converts those variables into the appropriate
1518  * register values, and can bring down the device if needed.
1519  */
1520
1521 static void adjust_link(struct net_device *dev)
1522 {
1523         struct ucc_geth_private *ugeth = netdev_priv(dev);
1524         struct ucc_geth __iomem *ug_regs;
1525         struct ucc_fast __iomem *uf_regs;
1526         struct phy_device *phydev = ugeth->phydev;
1527         unsigned long flags;
1528         int new_state = 0;
1529
1530         ug_regs = ugeth->ug_regs;
1531         uf_regs = ugeth->uccf->uf_regs;
1532
1533         spin_lock_irqsave(&ugeth->lock, flags);
1534
1535         if (phydev->link) {
1536                 u32 tempval = in_be32(&ug_regs->maccfg2);
1537                 u32 upsmr = in_be32(&uf_regs->upsmr);
1538                 /* Now we make sure that we can be in full duplex mode.
1539                  * If not, we operate in half-duplex mode. */
1540                 if (phydev->duplex != ugeth->oldduplex) {
1541                         new_state = 1;
1542                         if (!(phydev->duplex))
1543                                 tempval &= ~(MACCFG2_FDX);
1544                         else
1545                                 tempval |= MACCFG2_FDX;
1546                         ugeth->oldduplex = phydev->duplex;
1547                 }
1548
1549                 if (phydev->speed != ugeth->oldspeed) {
1550                         new_state = 1;
1551                         switch (phydev->speed) {
1552                         case SPEED_1000:
1553                                 tempval = ((tempval &
1554                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1555                                             MACCFG2_INTERFACE_MODE_BYTE);
1556                                 break;
1557                         case SPEED_100:
1558                         case SPEED_10:
1559                                 tempval = ((tempval &
1560                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1561                                             MACCFG2_INTERFACE_MODE_NIBBLE);
1562                                 /* if reduced mode, re-set UPSMR.R10M */
1563                                 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1564                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1565                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1566                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1567                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1568                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1569                                         if (phydev->speed == SPEED_10)
1570                                                 upsmr |= UPSMR_R10M;
1571                                         else
1572                                                 upsmr &= ~(UPSMR_R10M);
1573                                 }
1574                                 break;
1575                         default:
1576                                 if (netif_msg_link(ugeth))
1577                                         ugeth_warn(
1578                                                 "%s: Ack!  Speed (%d) is not 10/100/1000!",
1579                                                 dev->name, phydev->speed);
1580                                 break;
1581                         }
1582                         ugeth->oldspeed = phydev->speed;
1583                 }
1584
1585                 out_be32(&ug_regs->maccfg2, tempval);
1586                 out_be32(&uf_regs->upsmr, upsmr);
1587
1588                 if (!ugeth->oldlink) {
1589                         new_state = 1;
1590                         ugeth->oldlink = 1;
1591                 }
1592         } else if (ugeth->oldlink) {
1593                         new_state = 1;
1594                         ugeth->oldlink = 0;
1595                         ugeth->oldspeed = 0;
1596                         ugeth->oldduplex = -1;
1597         }
1598
1599         if (new_state && netif_msg_link(ugeth))
1600                 phy_print_status(phydev);
1601
1602         spin_unlock_irqrestore(&ugeth->lock, flags);
1603 }
1604
1605 /* Configure the PHY for dev.
1606  * returns 0 if success.  -1 if failure
1607  */
1608 static int init_phy(struct net_device *dev)
1609 {
1610         struct ucc_geth_private *priv = netdev_priv(dev);
1611         struct phy_device *phydev;
1612         char phy_id[BUS_ID_SIZE];
1613
1614         priv->oldlink = 0;
1615         priv->oldspeed = 0;
1616         priv->oldduplex = -1;
1617
1618         snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus,
1619                  priv->ug_info->phy_address);
1620
1621         phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1622
1623         if (IS_ERR(phydev)) {
1624                 printk("%s: Could not attach to PHY\n", dev->name);
1625                 return PTR_ERR(phydev);
1626         }
1627
1628         phydev->supported &= (ADVERTISED_10baseT_Half |
1629                                  ADVERTISED_10baseT_Full |
1630                                  ADVERTISED_100baseT_Half |
1631                                  ADVERTISED_100baseT_Full);
1632
1633         if (priv->max_speed == SPEED_1000)
1634                 phydev->supported |= ADVERTISED_1000baseT_Full;
1635
1636         phydev->advertising = phydev->supported;
1637
1638         priv->phydev = phydev;
1639
1640         return 0;
1641 }
1642
1643
1644
1645 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1646 {
1647         struct ucc_fast_private *uccf;
1648         u32 cecr_subblock;
1649         u32 temp;
1650
1651         uccf = ugeth->uccf;
1652
1653         /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1654         temp = in_be32(uccf->p_uccm);
1655         temp &= ~UCCE_GRA;
1656         out_be32(uccf->p_uccm, temp);
1657         out_be32(uccf->p_ucce, UCCE_GRA);       /* clear by writing 1 */
1658
1659         /* Issue host command */
1660         cecr_subblock =
1661             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1662         qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1663                      QE_CR_PROTOCOL_ETHERNET, 0);
1664
1665         /* Wait for command to complete */
1666         do {
1667                 temp = in_be32(uccf->p_ucce);
1668         } while (!(temp & UCCE_GRA));
1669
1670         uccf->stopped_tx = 1;
1671
1672         return 0;
1673 }
1674
1675 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1676 {
1677         struct ucc_fast_private *uccf;
1678         u32 cecr_subblock;
1679         u8 temp;
1680
1681         uccf = ugeth->uccf;
1682
1683         /* Clear acknowledge bit */
1684         temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1685         temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1686         out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1687
1688         /* Keep issuing command and checking acknowledge bit until
1689         it is asserted, according to spec */
1690         do {
1691                 /* Issue host command */
1692                 cecr_subblock =
1693                     ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1694                                                 ucc_num);
1695                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1696                              QE_CR_PROTOCOL_ETHERNET, 0);
1697
1698                 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1699         } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX));
1700
1701         uccf->stopped_rx = 1;
1702
1703         return 0;
1704 }
1705
1706 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1707 {
1708         struct ucc_fast_private *uccf;
1709         u32 cecr_subblock;
1710
1711         uccf = ugeth->uccf;
1712
1713         cecr_subblock =
1714             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1715         qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1716         uccf->stopped_tx = 0;
1717
1718         return 0;
1719 }
1720
1721 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1722 {
1723         struct ucc_fast_private *uccf;
1724         u32 cecr_subblock;
1725
1726         uccf = ugeth->uccf;
1727
1728         cecr_subblock =
1729             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1730         qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1731                      0);
1732         uccf->stopped_rx = 0;
1733
1734         return 0;
1735 }
1736
1737 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1738 {
1739         struct ucc_fast_private *uccf;
1740         int enabled_tx, enabled_rx;
1741
1742         uccf = ugeth->uccf;
1743
1744         /* check if the UCC number is in range. */
1745         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1746                 if (netif_msg_probe(ugeth))
1747                         ugeth_err("%s: ucc_num out of range.", __func__);
1748                 return -EINVAL;
1749         }
1750
1751         enabled_tx = uccf->enabled_tx;
1752         enabled_rx = uccf->enabled_rx;
1753
1754         /* Get Tx and Rx going again, in case this channel was actively
1755         disabled. */
1756         if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1757                 ugeth_restart_tx(ugeth);
1758         if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1759                 ugeth_restart_rx(ugeth);
1760
1761         ucc_fast_enable(uccf, mode);    /* OK to do even if not disabled */
1762
1763         return 0;
1764
1765 }
1766
1767 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1768 {
1769         struct ucc_fast_private *uccf;
1770
1771         uccf = ugeth->uccf;
1772
1773         /* check if the UCC number is in range. */
1774         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1775                 if (netif_msg_probe(ugeth))
1776                         ugeth_err("%s: ucc_num out of range.", __func__);
1777                 return -EINVAL;
1778         }
1779
1780         /* Stop any transmissions */
1781         if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1782                 ugeth_graceful_stop_tx(ugeth);
1783
1784         /* Stop any receptions */
1785         if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1786                 ugeth_graceful_stop_rx(ugeth);
1787
1788         ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1789
1790         return 0;
1791 }
1792
1793 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1794 {
1795 #ifdef DEBUG
1796         ucc_fast_dump_regs(ugeth->uccf);
1797         dump_regs(ugeth);
1798         dump_bds(ugeth);
1799 #endif
1800 }
1801
1802 #ifdef CONFIG_UGETH_FILTERING
1803 static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1804                                              p_UccGethTadParams,
1805                                              struct qe_fltr_tad *qe_fltr_tad)
1806 {
1807         u16 temp;
1808
1809         /* Zero serialized TAD */
1810         memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
1811
1812         qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V;   /* Must have this */
1813         if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
1814             (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
1815             || (p_UccGethTadParams->vnontag_op !=
1816                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
1817             )
1818                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
1819         if (p_UccGethTadParams->reject_frame)
1820                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
1821         temp =
1822             (u16) (((u16) p_UccGethTadParams->
1823                     vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
1824         qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
1825
1826         qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff);     /* lower bits */
1827         if (p_UccGethTadParams->vnontag_op ==
1828             UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
1829                 qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
1830         qe_fltr_tad->serialized[1] |=
1831             p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
1832
1833         qe_fltr_tad->serialized[2] |=
1834             p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
1835         /* upper bits */
1836         qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
1837         /* lower bits */
1838         qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
1839
1840         return 0;
1841 }
1842
1843 static struct enet_addr_container_t
1844     *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
1845                                                  struct enet_addr *p_enet_addr)
1846 {
1847         struct enet_addr_container *enet_addr_cont;
1848         struct list_head *p_lh;
1849         u16 i, num;
1850         int32_t j;
1851         u8 *p_counter;
1852
1853         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1854                 p_lh = &ugeth->group_hash_q;
1855                 p_counter = &(ugeth->numGroupAddrInHash);
1856         } else {
1857                 p_lh = &ugeth->ind_hash_q;
1858                 p_counter = &(ugeth->numIndAddrInHash);
1859         }
1860
1861         if (!p_lh)
1862                 return NULL;
1863
1864         num = *p_counter;
1865
1866         for (i = 0; i < num; i++) {
1867                 enet_addr_cont =
1868                     (struct enet_addr_container *)
1869                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1870                 for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
1871                         if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
1872                                 break;
1873                         if (j == 0)
1874                                 return enet_addr_cont;  /* Found */
1875                 }
1876                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1877         }
1878         return NULL;
1879 }
1880
1881 static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
1882                                                  struct enet_addr *p_enet_addr)
1883 {
1884         enum ucc_geth_enet_address_recognition_location location;
1885         struct enet_addr_container *enet_addr_cont;
1886         struct list_head *p_lh;
1887         u8 i;
1888         u32 limit;
1889         u8 *p_counter;
1890
1891         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1892                 p_lh = &ugeth->group_hash_q;
1893                 limit = ugeth->ug_info->maxGroupAddrInHash;
1894                 location =
1895                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
1896                 p_counter = &(ugeth->numGroupAddrInHash);
1897         } else {
1898                 p_lh = &ugeth->ind_hash_q;
1899                 limit = ugeth->ug_info->maxIndAddrInHash;
1900                 location =
1901                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
1902                 p_counter = &(ugeth->numIndAddrInHash);
1903         }
1904
1905         if ((enet_addr_cont =
1906              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
1907                 list_add(p_lh, &enet_addr_cont->node);  /* Put it back */
1908                 return 0;
1909         }
1910         if ((!p_lh) || (!(*p_counter < limit)))
1911                 return -EBUSY;
1912         if (!(enet_addr_cont = get_enet_addr_container()))
1913                 return -ENOMEM;
1914         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
1915                 (enet_addr_cont->address)[i] = (*p_enet_addr)[i];
1916         enet_addr_cont->location = location;
1917         enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1918         ++(*p_counter);
1919
1920         hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1921         return 0;
1922 }
1923
1924 static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
1925                                                    struct enet_addr *p_enet_addr)
1926 {
1927         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1928         struct enet_addr_container *enet_addr_cont;
1929         struct ucc_fast_private *uccf;
1930         enum comm_dir comm_dir;
1931         u16 i, num;
1932         struct list_head *p_lh;
1933         u32 *addr_h, *addr_l;
1934         u8 *p_counter;
1935
1936         uccf = ugeth->uccf;
1937
1938         p_82xx_addr_filt =
1939             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1940             addressfiltering;
1941
1942         if (!
1943             (enet_addr_cont =
1944              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
1945                 return -ENOENT;
1946
1947         /* It's been found and removed from the CQ. */
1948         /* Now destroy its container */
1949         put_enet_addr_container(enet_addr_cont);
1950
1951         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1952                 addr_h = &(p_82xx_addr_filt->gaddr_h);
1953                 addr_l = &(p_82xx_addr_filt->gaddr_l);
1954                 p_lh = &ugeth->group_hash_q;
1955                 p_counter = &(ugeth->numGroupAddrInHash);
1956         } else {
1957                 addr_h = &(p_82xx_addr_filt->iaddr_h);
1958                 addr_l = &(p_82xx_addr_filt->iaddr_l);
1959                 p_lh = &ugeth->ind_hash_q;
1960                 p_counter = &(ugeth->numIndAddrInHash);
1961         }
1962
1963         comm_dir = 0;
1964         if (uccf->enabled_tx)
1965                 comm_dir |= COMM_DIR_TX;
1966         if (uccf->enabled_rx)
1967                 comm_dir |= COMM_DIR_RX;
1968         if (comm_dir)
1969                 ugeth_disable(ugeth, comm_dir);
1970
1971         /* Clear the hash table. */
1972         out_be32(addr_h, 0x00000000);
1973         out_be32(addr_l, 0x00000000);
1974
1975         /* Add all remaining CQ elements back into hash */
1976         num = --(*p_counter);
1977         for (i = 0; i < num; i++) {
1978                 enet_addr_cont =
1979                     (struct enet_addr_container *)
1980                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1981                 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1982                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1983         }
1984
1985         if (comm_dir)
1986                 ugeth_enable(ugeth, comm_dir);
1987
1988         return 0;
1989 }
1990 #endif /* CONFIG_UGETH_FILTERING */
1991
1992 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1993                                                        ugeth,
1994                                                        enum enet_addr_type
1995                                                        enet_addr_type)
1996 {
1997         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1998         struct ucc_fast_private *uccf;
1999         enum comm_dir comm_dir;
2000         struct list_head *p_lh;
2001         u16 i, num;
2002         u32 __iomem *addr_h;
2003         u32 __iomem *addr_l;
2004         u8 *p_counter;
2005
2006         uccf = ugeth->uccf;
2007
2008         p_82xx_addr_filt =
2009             (struct ucc_geth_82xx_address_filtering_pram __iomem *)
2010             ugeth->p_rx_glbl_pram->addressfiltering;
2011
2012         if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
2013                 addr_h = &(p_82xx_addr_filt->gaddr_h);
2014                 addr_l = &(p_82xx_addr_filt->gaddr_l);
2015                 p_lh = &ugeth->group_hash_q;
2016                 p_counter = &(ugeth->numGroupAddrInHash);
2017         } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
2018                 addr_h = &(p_82xx_addr_filt->iaddr_h);
2019                 addr_l = &(p_82xx_addr_filt->iaddr_l);
2020                 p_lh = &ugeth->ind_hash_q;
2021                 p_counter = &(ugeth->numIndAddrInHash);
2022         } else
2023                 return -EINVAL;
2024
2025         comm_dir = 0;
2026         if (uccf->enabled_tx)
2027                 comm_dir |= COMM_DIR_TX;
2028         if (uccf->enabled_rx)
2029                 comm_dir |= COMM_DIR_RX;
2030         if (comm_dir)
2031                 ugeth_disable(ugeth, comm_dir);
2032
2033         /* Clear the hash table. */
2034         out_be32(addr_h, 0x00000000);
2035         out_be32(addr_l, 0x00000000);
2036
2037         if (!p_lh)
2038                 return 0;
2039
2040         num = *p_counter;
2041
2042         /* Delete all remaining CQ elements */
2043         for (i = 0; i < num; i++)
2044                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
2045
2046         *p_counter = 0;
2047
2048         if (comm_dir)
2049                 ugeth_enable(ugeth, comm_dir);
2050
2051         return 0;
2052 }
2053
2054 #ifdef CONFIG_UGETH_FILTERING
2055 static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
2056                                                   struct enet_addr *p_enet_addr,
2057                                                   u8 paddr_num)
2058 {
2059         int i;
2060
2061         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
2062                 ugeth_warn
2063                     ("%s: multicast address added to paddr will have no "
2064                      "effect - is this what you wanted?",
2065                      __func__);
2066
2067         ugeth->indAddrRegUsed[paddr_num] = 1;   /* mark this paddr as used */
2068         /* store address in our database */
2069         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
2070                 ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
2071         /* put in hardware */
2072         return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
2073 }
2074 #endif /* CONFIG_UGETH_FILTERING */
2075
2076 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2077                                                     u8 paddr_num)
2078 {
2079         ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
2080         return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
2081 }
2082
2083 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2084 {
2085         u16 i, j;
2086         u8 __iomem *bd;
2087
2088         if (!ugeth)
2089                 return;
2090
2091         if (ugeth->uccf) {
2092                 ucc_fast_free(ugeth->uccf);
2093                 ugeth->uccf = NULL;
2094         }
2095
2096         if (ugeth->p_thread_data_tx) {
2097                 qe_muram_free(ugeth->thread_dat_tx_offset);
2098                 ugeth->p_thread_data_tx = NULL;
2099         }
2100         if (ugeth->p_thread_data_rx) {
2101                 qe_muram_free(ugeth->thread_dat_rx_offset);
2102                 ugeth->p_thread_data_rx = NULL;
2103         }
2104         if (ugeth->p_exf_glbl_param) {
2105                 qe_muram_free(ugeth->exf_glbl_param_offset);
2106                 ugeth->p_exf_glbl_param = NULL;
2107         }
2108         if (ugeth->p_rx_glbl_pram) {
2109                 qe_muram_free(ugeth->rx_glbl_pram_offset);
2110                 ugeth->p_rx_glbl_pram = NULL;
2111         }
2112         if (ugeth->p_tx_glbl_pram) {
2113                 qe_muram_free(ugeth->tx_glbl_pram_offset);
2114                 ugeth->p_tx_glbl_pram = NULL;
2115         }
2116         if (ugeth->p_send_q_mem_reg) {
2117                 qe_muram_free(ugeth->send_q_mem_reg_offset);
2118                 ugeth->p_send_q_mem_reg = NULL;
2119         }
2120         if (ugeth->p_scheduler) {
2121                 qe_muram_free(ugeth->scheduler_offset);
2122                 ugeth->p_scheduler = NULL;
2123         }
2124         if (ugeth->p_tx_fw_statistics_pram) {
2125                 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
2126                 ugeth->p_tx_fw_statistics_pram = NULL;
2127         }
2128         if (ugeth->p_rx_fw_statistics_pram) {
2129                 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
2130                 ugeth->p_rx_fw_statistics_pram = NULL;
2131         }
2132         if (ugeth->p_rx_irq_coalescing_tbl) {
2133                 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
2134                 ugeth->p_rx_irq_coalescing_tbl = NULL;
2135         }
2136         if (ugeth->p_rx_bd_qs_tbl) {
2137                 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
2138                 ugeth->p_rx_bd_qs_tbl = NULL;
2139         }
2140         if (ugeth->p_init_enet_param_shadow) {
2141                 return_init_enet_entries(ugeth,
2142                                          &(ugeth->p_init_enet_param_shadow->
2143                                            rxthread[0]),
2144                                          ENET_INIT_PARAM_MAX_ENTRIES_RX,
2145                                          ugeth->ug_info->riscRx, 1);
2146                 return_init_enet_entries(ugeth,
2147                                          &(ugeth->p_init_enet_param_shadow->
2148                                            txthread[0]),
2149                                          ENET_INIT_PARAM_MAX_ENTRIES_TX,
2150                                          ugeth->ug_info->riscTx, 0);
2151                 kfree(ugeth->p_init_enet_param_shadow);
2152                 ugeth->p_init_enet_param_shadow = NULL;
2153         }
2154         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
2155                 bd = ugeth->p_tx_bd_ring[i];
2156                 if (!bd)
2157                         continue;
2158                 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
2159                         if (ugeth->tx_skbuff[i][j]) {
2160                                 dma_unmap_single(&ugeth->dev->dev,
2161                                                  in_be32(&((struct qe_bd __iomem *)bd)->buf),
2162                                                  (in_be32((u32 __iomem *)bd) &
2163                                                   BD_LENGTH_MASK),
2164                                                  DMA_TO_DEVICE);
2165                                 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
2166                                 ugeth->tx_skbuff[i][j] = NULL;
2167                         }
2168                 }
2169
2170                 kfree(ugeth->tx_skbuff[i]);
2171
2172                 if (ugeth->p_tx_bd_ring[i]) {
2173                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2174                             MEM_PART_SYSTEM)
2175                                 kfree((void *)ugeth->tx_bd_ring_offset[i]);
2176                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2177                                  MEM_PART_MURAM)
2178                                 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
2179                         ugeth->p_tx_bd_ring[i] = NULL;
2180                 }
2181         }
2182         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
2183                 if (ugeth->p_rx_bd_ring[i]) {
2184                         /* Return existing data buffers in ring */
2185                         bd = ugeth->p_rx_bd_ring[i];
2186                         for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
2187                                 if (ugeth->rx_skbuff[i][j]) {
2188                                         dma_unmap_single(&ugeth->dev->dev,
2189                                                 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2190                                                 ugeth->ug_info->
2191                                                 uf_info.max_rx_buf_length +
2192                                                 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
2193                                                 DMA_FROM_DEVICE);
2194                                         dev_kfree_skb_any(
2195                                                 ugeth->rx_skbuff[i][j]);
2196                                         ugeth->rx_skbuff[i][j] = NULL;
2197                                 }
2198                                 bd += sizeof(struct qe_bd);
2199                         }
2200
2201                         kfree(ugeth->rx_skbuff[i]);
2202
2203                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2204                             MEM_PART_SYSTEM)
2205                                 kfree((void *)ugeth->rx_bd_ring_offset[i]);
2206                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2207                                  MEM_PART_MURAM)
2208                                 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
2209                         ugeth->p_rx_bd_ring[i] = NULL;
2210                 }
2211         }
2212         while (!list_empty(&ugeth->group_hash_q))
2213                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2214                                         (dequeue(&ugeth->group_hash_q)));
2215         while (!list_empty(&ugeth->ind_hash_q))
2216                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2217                                         (dequeue(&ugeth->ind_hash_q)));
2218
2219 }
2220
2221 static void ucc_geth_set_multi(struct net_device *dev)
2222 {
2223         struct ucc_geth_private *ugeth;
2224         struct dev_mc_list *dmi;
2225         struct ucc_fast __iomem *uf_regs;
2226         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2227         int i;
2228
2229         ugeth = netdev_priv(dev);
2230
2231         uf_regs = ugeth->uccf->uf_regs;
2232
2233         if (dev->flags & IFF_PROMISC) {
2234
2235                 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr) | UPSMR_PRO);
2236
2237         } else {
2238
2239                 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr)&~UPSMR_PRO);
2240
2241                 p_82xx_addr_filt =
2242                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2243                     p_rx_glbl_pram->addressfiltering;
2244
2245                 if (dev->flags & IFF_ALLMULTI) {
2246                         /* Catch all multicast addresses, so set the
2247                          * filter to all 1's.
2248                          */
2249                         out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2250                         out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2251                 } else {
2252                         /* Clear filter and add the addresses in the list.
2253                          */
2254                         out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2255                         out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2256
2257                         dmi = dev->mc_list;
2258
2259                         for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
2260
2261                                 /* Only support group multicast for now.
2262                                  */
2263                                 if (!(dmi->dmi_addr[0] & 1))
2264                                         continue;
2265
2266                                 /* Ask CPM to run CRC and set bit in
2267                                  * filter mask.
2268                                  */
2269                                 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2270                         }
2271                 }
2272         }
2273 }
2274
2275 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2276 {
2277         struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2278         struct phy_device *phydev = ugeth->phydev;
2279         u32 tempval;
2280
2281         ugeth_vdbg("%s: IN", __func__);
2282
2283         /* Disable the controller */
2284         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2285
2286         /* Tell the kernel the link is down */
2287         phy_stop(phydev);
2288
2289         /* Mask all interrupts */
2290         out_be32(ugeth->uccf->p_uccm, 0x00000000);
2291
2292         /* Clear all interrupts */
2293         out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2294
2295         /* Disable Rx and Tx */
2296         tempval = in_be32(&ug_regs->maccfg1);
2297         tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2298         out_be32(&ug_regs->maccfg1, tempval);
2299
2300         free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
2301
2302         ucc_geth_memclean(ugeth);
2303 }
2304
2305 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2306 {
2307         struct ucc_geth_info *ug_info;
2308         struct ucc_fast_info *uf_info;
2309         int i;
2310
2311         ug_info = ugeth->ug_info;
2312         uf_info = &ug_info->uf_info;
2313
2314         if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2315               (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2316                 if (netif_msg_probe(ugeth))
2317                         ugeth_err("%s: Bad memory partition value.",
2318                                         __func__);
2319                 return -EINVAL;
2320         }
2321
2322         /* Rx BD lengths */
2323         for (i = 0; i < ug_info->numQueuesRx; i++) {
2324                 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2325                     (ug_info->bdRingLenRx[i] %
2326                      UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2327                         if (netif_msg_probe(ugeth))
2328                                 ugeth_err
2329                                     ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2330                                         __func__);
2331                         return -EINVAL;
2332                 }
2333         }
2334
2335         /* Tx BD lengths */
2336         for (i = 0; i < ug_info->numQueuesTx; i++) {
2337                 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2338                         if (netif_msg_probe(ugeth))
2339                                 ugeth_err
2340                                     ("%s: Tx BD ring length must be no smaller than 2.",
2341                                      __func__);
2342                         return -EINVAL;
2343                 }
2344         }
2345
2346         /* mrblr */
2347         if ((uf_info->max_rx_buf_length == 0) ||
2348             (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2349                 if (netif_msg_probe(ugeth))
2350                         ugeth_err
2351                             ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2352                              __func__);
2353                 return -EINVAL;
2354         }
2355
2356         /* num Tx queues */
2357         if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2358                 if (netif_msg_probe(ugeth))
2359                         ugeth_err("%s: number of tx queues too large.", __func__);
2360                 return -EINVAL;
2361         }
2362
2363         /* num Rx queues */
2364         if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2365                 if (netif_msg_probe(ugeth))
2366                         ugeth_err("%s: number of rx queues too large.", __func__);
2367                 return -EINVAL;
2368         }
2369
2370         /* l2qt */
2371         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2372                 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2373                         if (netif_msg_probe(ugeth))
2374                                 ugeth_err
2375                                     ("%s: VLAN priority table entry must not be"
2376                                         " larger than number of Rx queues.",
2377                                      __func__);
2378                         return -EINVAL;
2379                 }
2380         }
2381
2382         /* l3qt */
2383         for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2384                 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2385                         if (netif_msg_probe(ugeth))
2386                                 ugeth_err
2387                                     ("%s: IP priority table entry must not be"
2388                                         " larger than number of Rx queues.",
2389                                      __func__);
2390                         return -EINVAL;
2391                 }
2392         }
2393
2394         if (ug_info->cam && !ug_info->ecamptr) {
2395                 if (netif_msg_probe(ugeth))
2396                         ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2397                                   __func__);
2398                 return -EINVAL;
2399         }
2400
2401         if ((ug_info->numStationAddresses !=
2402              UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2403             && ug_info->rxExtendedFiltering) {
2404                 if (netif_msg_probe(ugeth))
2405                         ugeth_err("%s: Number of station addresses greater than 1 "
2406                                   "not allowed in extended parsing mode.",
2407                                   __func__);
2408                 return -EINVAL;
2409         }
2410
2411         /* Generate uccm_mask for receive */
2412         uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2413         for (i = 0; i < ug_info->numQueuesRx; i++)
2414                 uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
2415
2416         for (i = 0; i < ug_info->numQueuesTx; i++)
2417                 uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
2418         /* Initialize the general fast UCC block. */
2419         if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2420                 if (netif_msg_probe(ugeth))
2421                         ugeth_err("%s: Failed to init uccf.", __func__);
2422                 ucc_geth_memclean(ugeth);
2423                 return -ENOMEM;
2424         }
2425
2426         ugeth->ug_regs = (struct ucc_geth __iomem *) ioremap(uf_info->regs, sizeof(struct ucc_geth));
2427
2428         return 0;
2429 }
2430
2431 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2432 {
2433         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2434         struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2435         struct ucc_fast_private *uccf;
2436         struct ucc_geth_info *ug_info;
2437         struct ucc_fast_info *uf_info;
2438         struct ucc_fast __iomem *uf_regs;
2439         struct ucc_geth __iomem *ug_regs;
2440         int ret_val = -EINVAL;
2441         u32 remoder = UCC_GETH_REMODER_INIT;
2442         u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
2443         u32 ifstat, i, j, size, l2qt, l3qt, length;
2444         u16 temoder = UCC_GETH_TEMODER_INIT;
2445         u16 test;
2446         u8 function_code = 0;
2447         u8 __iomem *bd;
2448         u8 __iomem *endOfRing;
2449         u8 numThreadsRxNumerical, numThreadsTxNumerical;
2450
2451         ugeth_vdbg("%s: IN", __func__);
2452         uccf = ugeth->uccf;
2453         ug_info = ugeth->ug_info;
2454         uf_info = &ug_info->uf_info;
2455         uf_regs = uccf->uf_regs;
2456         ug_regs = ugeth->ug_regs;
2457
2458         switch (ug_info->numThreadsRx) {
2459         case UCC_GETH_NUM_OF_THREADS_1:
2460                 numThreadsRxNumerical = 1;
2461                 break;
2462         case UCC_GETH_NUM_OF_THREADS_2:
2463                 numThreadsRxNumerical = 2;
2464                 break;
2465         case UCC_GETH_NUM_OF_THREADS_4:
2466                 numThreadsRxNumerical = 4;
2467                 break;
2468         case UCC_GETH_NUM_OF_THREADS_6:
2469                 numThreadsRxNumerical = 6;
2470                 break;
2471         case UCC_GETH_NUM_OF_THREADS_8:
2472                 numThreadsRxNumerical = 8;
2473                 break;
2474         default:
2475                 if (netif_msg_ifup(ugeth))
2476                         ugeth_err("%s: Bad number of Rx threads value.",
2477                                         __func__);
2478                 ucc_geth_memclean(ugeth);
2479                 return -EINVAL;
2480                 break;
2481         }
2482
2483         switch (ug_info->numThreadsTx) {
2484         case UCC_GETH_NUM_OF_THREADS_1:
2485                 numThreadsTxNumerical = 1;
2486                 break;
2487         case UCC_GETH_NUM_OF_THREADS_2:
2488                 numThreadsTxNumerical = 2;
2489                 break;
2490         case UCC_GETH_NUM_OF_THREADS_4:
2491                 numThreadsTxNumerical = 4;
2492                 break;
2493         case UCC_GETH_NUM_OF_THREADS_6:
2494                 numThreadsTxNumerical = 6;
2495                 break;
2496         case UCC_GETH_NUM_OF_THREADS_8:
2497                 numThreadsTxNumerical = 8;
2498                 break;
2499         default:
2500                 if (netif_msg_ifup(ugeth))
2501                         ugeth_err("%s: Bad number of Tx threads value.",
2502                                         __func__);
2503                 ucc_geth_memclean(ugeth);
2504                 return -EINVAL;
2505                 break;
2506         }
2507
2508         /* Calculate rx_extended_features */
2509         ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2510             ug_info->ipAddressAlignment ||
2511             (ug_info->numStationAddresses !=
2512              UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2513
2514         ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2515             (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2516             || (ug_info->vlanOperationNonTagged !=
2517                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2518
2519         init_default_reg_vals(&uf_regs->upsmr,
2520                               &ug_regs->maccfg1, &ug_regs->maccfg2);
2521
2522         /*                    Set UPSMR                      */
2523         /* For more details see the hardware spec.           */
2524         init_rx_parameters(ug_info->bro,
2525                            ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2526
2527         /* We're going to ignore other registers for now, */
2528         /* except as needed to get up and running         */
2529
2530         /*                    Set MACCFG1                    */
2531         /* For more details see the hardware spec.           */
2532         init_flow_control_params(ug_info->aufc,
2533                                  ug_info->receiveFlowControl,
2534                                  ug_info->transmitFlowControl,
2535                                  ug_info->pausePeriod,
2536                                  ug_info->extensionField,
2537                                  &uf_regs->upsmr,
2538                                  &ug_regs->uempr, &ug_regs->maccfg1);
2539
2540         maccfg1 = in_be32(&ug_regs->maccfg1);
2541         maccfg1 |= MACCFG1_ENABLE_RX;
2542         maccfg1 |= MACCFG1_ENABLE_TX;
2543         out_be32(&ug_regs->maccfg1, maccfg1);
2544
2545         /*                    Set IPGIFG                     */
2546         /* For more details see the hardware spec.           */
2547         ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2548                                               ug_info->nonBackToBackIfgPart2,
2549                                               ug_info->
2550                                               miminumInterFrameGapEnforcement,
2551                                               ug_info->backToBackInterFrameGap,
2552                                               &ug_regs->ipgifg);
2553         if (ret_val != 0) {
2554                 if (netif_msg_ifup(ugeth))
2555                         ugeth_err("%s: IPGIFG initialization parameter too large.",
2556                                   __func__);
2557                 ucc_geth_memclean(ugeth);
2558                 return ret_val;
2559         }
2560
2561         /*                    Set HAFDUP                     */
2562         /* For more details see the hardware spec.           */
2563         ret_val = init_half_duplex_params(ug_info->altBeb,
2564                                           ug_info->backPressureNoBackoff,
2565                                           ug_info->noBackoff,
2566                                           ug_info->excessDefer,
2567                                           ug_info->altBebTruncation,
2568                                           ug_info->maxRetransmission,
2569                                           ug_info->collisionWindow,
2570                                           &ug_regs->hafdup);
2571         if (ret_val != 0) {
2572                 if (netif_msg_ifup(ugeth))
2573                         ugeth_err("%s: Half Duplex initialization parameter too large.",
2574                           __func__);
2575                 ucc_geth_memclean(ugeth);
2576                 return ret_val;
2577         }
2578
2579         /*                    Set IFSTAT                     */
2580         /* For more details see the hardware spec.           */
2581         /* Read only - resets upon read                      */
2582         ifstat = in_be32(&ug_regs->ifstat);
2583
2584         /*                    Clear UEMPR                    */
2585         /* For more details see the hardware spec.           */
2586         out_be32(&ug_regs->uempr, 0);
2587
2588         /*                    Set UESCR                      */
2589         /* For more details see the hardware spec.           */
2590         init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2591                                 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2592                                 0, &uf_regs->upsmr, &ug_regs->uescr);
2593
2594         /* Allocate Tx bds */
2595         for (j = 0; j < ug_info->numQueuesTx; j++) {
2596                 /* Allocate in multiple of
2597                    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2598                    according to spec */
2599                 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2600                           / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2601                     * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2602                 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2603                     UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2604                         length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2605                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2606                         u32 align = 4;
2607                         if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2608                                 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2609                         ugeth->tx_bd_ring_offset[j] =
2610                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2611
2612                         if (ugeth->tx_bd_ring_offset[j] != 0)
2613                                 ugeth->p_tx_bd_ring[j] =
2614                                         (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2615                                         align) & ~(align - 1));
2616                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2617                         ugeth->tx_bd_ring_offset[j] =
2618                             qe_muram_alloc(length,
2619                                            UCC_GETH_TX_BD_RING_ALIGNMENT);
2620                         if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2621                                 ugeth->p_tx_bd_ring[j] =
2622                                     (u8 __iomem *) qe_muram_addr(ugeth->
2623                                                          tx_bd_ring_offset[j]);
2624                 }
2625                 if (!ugeth->p_tx_bd_ring[j]) {
2626                         if (netif_msg_ifup(ugeth))
2627                                 ugeth_err
2628                                     ("%s: Can not allocate memory for Tx bd rings.",
2629                                      __func__);
2630                         ucc_geth_memclean(ugeth);
2631                         return -ENOMEM;
2632                 }
2633                 /* Zero unused end of bd ring, according to spec */
2634                 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2635                        ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2636                        length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2637         }
2638
2639         /* Allocate Rx bds */
2640         for (j = 0; j < ug_info->numQueuesRx; j++) {
2641                 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2642                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2643                         u32 align = 4;
2644                         if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2645                                 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2646                         ugeth->rx_bd_ring_offset[j] =
2647                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2648                         if (ugeth->rx_bd_ring_offset[j] != 0)
2649                                 ugeth->p_rx_bd_ring[j] =
2650                                         (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2651                                         align) & ~(align - 1));
2652                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2653                         ugeth->rx_bd_ring_offset[j] =
2654                             qe_muram_alloc(length,
2655                                            UCC_GETH_RX_BD_RING_ALIGNMENT);
2656                         if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2657                                 ugeth->p_rx_bd_ring[j] =
2658                                     (u8 __iomem *) qe_muram_addr(ugeth->
2659                                                          rx_bd_ring_offset[j]);
2660                 }
2661                 if (!ugeth->p_rx_bd_ring[j]) {
2662                         if (netif_msg_ifup(ugeth))
2663                                 ugeth_err
2664                                     ("%s: Can not allocate memory for Rx bd rings.",
2665                                      __func__);
2666                         ucc_geth_memclean(ugeth);
2667                         return -ENOMEM;
2668                 }
2669         }
2670
2671         /* Init Tx bds */
2672         for (j = 0; j < ug_info->numQueuesTx; j++) {
2673                 /* Setup the skbuff rings */
2674                 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2675                                               ugeth->ug_info->bdRingLenTx[j],
2676                                               GFP_KERNEL);
2677
2678                 if (ugeth->tx_skbuff[j] == NULL) {
2679                         if (netif_msg_ifup(ugeth))
2680                                 ugeth_err("%s: Could not allocate tx_skbuff",
2681                                           __func__);
2682                         ucc_geth_memclean(ugeth);
2683                         return -ENOMEM;
2684                 }
2685
2686                 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2687                         ugeth->tx_skbuff[j][i] = NULL;
2688
2689                 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2690                 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2691                 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2692                         /* clear bd buffer */
2693                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2694                         /* set bd status and length */
2695                         out_be32((u32 __iomem *)bd, 0);
2696                         bd += sizeof(struct qe_bd);
2697                 }
2698                 bd -= sizeof(struct qe_bd);
2699                 /* set bd status and length */
2700                 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2701         }
2702
2703         /* Init Rx bds */
2704         for (j = 0; j < ug_info->numQueuesRx; j++) {
2705                 /* Setup the skbuff rings */
2706                 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2707                                               ugeth->ug_info->bdRingLenRx[j],
2708                                               GFP_KERNEL);
2709
2710                 if (ugeth->rx_skbuff[j] == NULL) {
2711                         if (netif_msg_ifup(ugeth))
2712                                 ugeth_err("%s: Could not allocate rx_skbuff",
2713                                           __func__);
2714                         ucc_geth_memclean(ugeth);
2715                         return -ENOMEM;
2716                 }
2717
2718                 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2719                         ugeth->rx_skbuff[j][i] = NULL;
2720
2721                 ugeth->skb_currx[j] = 0;
2722                 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2723                 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2724                         /* set bd status and length */
2725                         out_be32((u32 __iomem *)bd, R_I);
2726                         /* clear bd buffer */
2727                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2728                         bd += sizeof(struct qe_bd);
2729                 }
2730                 bd -= sizeof(struct qe_bd);
2731                 /* set bd status and length */
2732                 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2733         }
2734
2735         /*
2736          * Global PRAM
2737          */
2738         /* Tx global PRAM */
2739         /* Allocate global tx parameter RAM page */
2740         ugeth->tx_glbl_pram_offset =
2741             qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2742                            UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2743         if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2744                 if (netif_msg_ifup(ugeth))
2745                         ugeth_err
2746                             ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2747                              __func__);
2748                 ucc_geth_memclean(ugeth);
2749                 return -ENOMEM;
2750         }
2751         ugeth->p_tx_glbl_pram =
2752             (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2753                                                         tx_glbl_pram_offset);
2754         /* Zero out p_tx_glbl_pram */
2755         memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2756
2757         /* Fill global PRAM */
2758
2759         /* TQPTR */
2760         /* Size varies with number of Tx threads */
2761         ugeth->thread_dat_tx_offset =
2762             qe_muram_alloc(numThreadsTxNumerical *
2763                            sizeof(struct ucc_geth_thread_data_tx) +
2764                            32 * (numThreadsTxNumerical == 1),
2765                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2766         if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2767                 if (netif_msg_ifup(ugeth))
2768                         ugeth_err
2769                             ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2770                              __func__);
2771                 ucc_geth_memclean(ugeth);
2772                 return -ENOMEM;
2773         }
2774
2775         ugeth->p_thread_data_tx =
2776             (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2777                                                         thread_dat_tx_offset);
2778         out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2779
2780         /* vtagtable */
2781         for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2782                 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2783                          ug_info->vtagtable[i]);
2784
2785         /* iphoffset */
2786         for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2787                 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2788                                 ug_info->iphoffset[i]);
2789
2790         /* SQPTR */
2791         /* Size varies with number of Tx queues */
2792         ugeth->send_q_mem_reg_offset =
2793             qe_muram_alloc(ug_info->numQueuesTx *
2794                            sizeof(struct ucc_geth_send_queue_qd),
2795                            UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2796         if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2797                 if (netif_msg_ifup(ugeth))
2798                         ugeth_err
2799                             ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2800                              __func__);
2801                 ucc_geth_memclean(ugeth);
2802                 return -ENOMEM;
2803         }
2804
2805         ugeth->p_send_q_mem_reg =
2806             (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2807                         send_q_mem_reg_offset);
2808         out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2809
2810         /* Setup the table */
2811         /* Assume BD rings are already established */
2812         for (i = 0; i < ug_info->numQueuesTx; i++) {
2813                 endOfRing =
2814                     ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2815                                               1) * sizeof(struct qe_bd);
2816                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2817                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2818                                  (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2819                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2820                                  last_bd_completed_address,
2821                                  (u32) virt_to_phys(endOfRing));
2822                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2823                            MEM_PART_MURAM) {
2824                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2825                                  (u32) immrbar_virt_to_phys(ugeth->
2826                                                             p_tx_bd_ring[i]));
2827                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2828                                  last_bd_completed_address,
2829                                  (u32) immrbar_virt_to_phys(endOfRing));
2830                 }
2831         }
2832
2833         /* schedulerbasepointer */
2834
2835         if (ug_info->numQueuesTx > 1) {
2836         /* scheduler exists only if more than 1 tx queue */
2837                 ugeth->scheduler_offset =
2838                     qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2839                                    UCC_GETH_SCHEDULER_ALIGNMENT);
2840                 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2841                         if (netif_msg_ifup(ugeth))
2842                                 ugeth_err
2843                                  ("%s: Can not allocate DPRAM memory for p_scheduler.",
2844                                      __func__);
2845                         ucc_geth_memclean(ugeth);
2846                         return -ENOMEM;
2847                 }
2848
2849                 ugeth->p_scheduler =
2850                     (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2851                                                            scheduler_offset);
2852                 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2853                          ugeth->scheduler_offset);
2854                 /* Zero out p_scheduler */
2855                 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2856
2857                 /* Set values in scheduler */
2858                 out_be32(&ugeth->p_scheduler->mblinterval,
2859                          ug_info->mblinterval);
2860                 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2861                          ug_info->nortsrbytetime);
2862                 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2863                 out_8(&ugeth->p_scheduler->strictpriorityq,
2864                                 ug_info->strictpriorityq);
2865                 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2866                 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2867                 for (i = 0; i < NUM_TX_QUEUES; i++)
2868                         out_8(&ugeth->p_scheduler->weightfactor[i],
2869                             ug_info->weightfactor[i]);
2870
2871                 /* Set pointers to cpucount registers in scheduler */
2872                 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2873                 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2874                 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2875                 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2876                 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2877                 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2878                 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2879                 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2880         }
2881
2882         /* schedulerbasepointer */
2883         /* TxRMON_PTR (statistics) */
2884         if (ug_info->
2885             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2886                 ugeth->tx_fw_statistics_pram_offset =
2887                     qe_muram_alloc(sizeof
2888                                    (struct ucc_geth_tx_firmware_statistics_pram),
2889                                    UCC_GETH_TX_STATISTICS_ALIGNMENT);
2890                 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2891                         if (netif_msg_ifup(ugeth))
2892                                 ugeth_err
2893                                     ("%s: Can not allocate DPRAM memory for"
2894                                         " p_tx_fw_statistics_pram.",
2895                                         __func__);
2896                         ucc_geth_memclean(ugeth);
2897                         return -ENOMEM;
2898                 }
2899                 ugeth->p_tx_fw_statistics_pram =
2900                     (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2901                     qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2902                 /* Zero out p_tx_fw_statistics_pram */
2903                 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2904                        0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2905         }
2906
2907         /* temoder */
2908         /* Already has speed set */
2909
2910         if (ug_info->numQueuesTx > 1)
2911                 temoder |= TEMODER_SCHEDULER_ENABLE;
2912         if (ug_info->ipCheckSumGenerate)
2913                 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2914         temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2915         out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2916
2917         test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2918
2919         /* Function code register value to be used later */
2920         function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2921         /* Required for QE */
2922
2923         /* function code register */
2924         out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2925
2926         /* Rx global PRAM */
2927         /* Allocate global rx parameter RAM page */
2928         ugeth->rx_glbl_pram_offset =
2929             qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2930                            UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2931         if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2932                 if (netif_msg_ifup(ugeth))
2933                         ugeth_err
2934                             ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2935                              __func__);
2936                 ucc_geth_memclean(ugeth);
2937                 return -ENOMEM;
2938         }
2939         ugeth->p_rx_glbl_pram =
2940             (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2941                                                         rx_glbl_pram_offset);
2942         /* Zero out p_rx_glbl_pram */
2943         memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2944
2945         /* Fill global PRAM */
2946
2947         /* RQPTR */
2948         /* Size varies with number of Rx threads */
2949         ugeth->thread_dat_rx_offset =
2950             qe_muram_alloc(numThreadsRxNumerical *
2951                            sizeof(struct ucc_geth_thread_data_rx),
2952                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2953         if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2954                 if (netif_msg_ifup(ugeth))
2955                         ugeth_err
2956                             ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2957                              __func__);
2958                 ucc_geth_memclean(ugeth);
2959                 return -ENOMEM;
2960         }
2961
2962         ugeth->p_thread_data_rx =
2963             (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2964                                                         thread_dat_rx_offset);
2965         out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2966
2967         /* typeorlen */
2968         out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2969
2970         /* rxrmonbaseptr (statistics) */
2971         if (ug_info->
2972             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2973                 ugeth->rx_fw_statistics_pram_offset =
2974                     qe_muram_alloc(sizeof
2975                                    (struct ucc_geth_rx_firmware_statistics_pram),
2976                                    UCC_GETH_RX_STATISTICS_ALIGNMENT);
2977                 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2978                         if (netif_msg_ifup(ugeth))
2979                                 ugeth_err
2980                                         ("%s: Can not allocate DPRAM memory for"
2981                                         " p_rx_fw_statistics_pram.", __func__);
2982                         ucc_geth_memclean(ugeth);
2983                         return -ENOMEM;
2984                 }
2985                 ugeth->p_rx_fw_statistics_pram =
2986                     (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2987                     qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2988                 /* Zero out p_rx_fw_statistics_pram */
2989                 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2990                        sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2991         }
2992
2993         /* intCoalescingPtr */
2994
2995         /* Size varies with number of Rx queues */
2996         ugeth->rx_irq_coalescing_tbl_offset =
2997             qe_muram_alloc(ug_info->numQueuesRx *
2998                            sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2999                            + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
3000         if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
3001                 if (netif_msg_ifup(ugeth))
3002                         ugeth_err
3003                             ("%s: Can not allocate DPRAM memory for"
3004                                 " p_rx_irq_coalescing_tbl.", __func__);
3005                 ucc_geth_memclean(ugeth);
3006                 return -ENOMEM;
3007         }
3008
3009         ugeth->p_rx_irq_coalescing_tbl =
3010             (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
3011             qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
3012         out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
3013                  ugeth->rx_irq_coalescing_tbl_offset);
3014
3015         /* Fill interrupt coalescing table */
3016         for (i = 0; i < ug_info->numQueuesRx; i++) {
3017                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3018                          interruptcoalescingmaxvalue,
3019                          ug_info->interruptcoalescingmaxvalue[i]);
3020                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3021                          interruptcoalescingcounter,
3022                          ug_info->interruptcoalescingmaxvalue[i]);
3023         }
3024
3025         /* MRBLR */
3026         init_max_rx_buff_len(uf_info->max_rx_buf_length,
3027                              &ugeth->p_rx_glbl_pram->mrblr);
3028         /* MFLR */
3029         out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
3030         /* MINFLR */
3031         init_min_frame_len(ug_info->minFrameLength,
3032                            &ugeth->p_rx_glbl_pram->minflr,
3033                            &ugeth->p_rx_glbl_pram->mrblr);
3034         /* MAXD1 */
3035         out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
3036         /* MAXD2 */
3037         out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
3038
3039         /* l2qt */
3040         l2qt = 0;
3041         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
3042                 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
3043         out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
3044
3045         /* l3qt */
3046         for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
3047                 l3qt = 0;
3048                 for (i = 0; i < 8; i++)
3049                         l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3050                 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3051         }
3052
3053         /* vlantype */
3054         out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
3055
3056         /* vlantci */
3057         out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
3058
3059         /* ecamptr */
3060         out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
3061
3062         /* RBDQPTR */
3063         /* Size varies with number of Rx queues */
3064         ugeth->rx_bd_qs_tbl_offset =
3065             qe_muram_alloc(ug_info->numQueuesRx *
3066                            (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3067                             sizeof(struct ucc_geth_rx_prefetched_bds)),
3068                            UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3069         if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3070                 if (netif_msg_ifup(ugeth))
3071                         ugeth_err
3072                             ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3073                              __func__);
3074                 ucc_geth_memclean(ugeth);
3075                 return -ENOMEM;
3076         }
3077
3078         ugeth->p_rx_bd_qs_tbl =
3079             (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
3080                                     rx_bd_qs_tbl_offset);
3081         out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
3082         /* Zero out p_rx_bd_qs_tbl */
3083         memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
3084                0,
3085                ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3086                                        sizeof(struct ucc_geth_rx_prefetched_bds)));
3087
3088         /* Setup the table */
3089         /* Assume BD rings are already established */
3090         for (i = 0; i < ug_info->numQueuesRx; i++) {
3091                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
3092                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3093                                  (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
3094                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
3095                            MEM_PART_MURAM) {
3096                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3097                                  (u32) immrbar_virt_to_phys(ugeth->
3098                                                             p_rx_bd_ring[i]));
3099                 }
3100                 /* rest of fields handled by QE */
3101         }
3102
3103         /* remoder */
3104         /* Already has speed set */
3105
3106         if (ugeth->rx_extended_features)
3107                 remoder |= REMODER_RX_EXTENDED_FEATURES;
3108         if (ug_info->rxExtendedFiltering)
3109                 remoder |= REMODER_RX_EXTENDED_FILTERING;
3110         if (ug_info->dynamicMaxFrameLength)
3111                 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
3112         if (ug_info->dynamicMinFrameLength)
3113                 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
3114         remoder |=
3115             ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
3116         remoder |=
3117             ug_info->
3118             vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
3119         remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
3120         remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
3121         if (ug_info->ipCheckSumCheck)
3122                 remoder |= REMODER_IP_CHECKSUM_CHECK;
3123         if (ug_info->ipAddressAlignment)
3124                 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
3125         out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
3126
3127         /* Note that this function must be called */
3128         /* ONLY AFTER p_tx_fw_statistics_pram */
3129         /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
3130         init_firmware_statistics_gathering_mode((ug_info->
3131                 statisticsMode &
3132                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
3133                 (ug_info->statisticsMode &
3134                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
3135                 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
3136                 ugeth->tx_fw_statistics_pram_offset,
3137                 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
3138                 ugeth->rx_fw_statistics_pram_offset,
3139                 &ugeth->p_tx_glbl_pram->temoder,
3140                 &ugeth->p_rx_glbl_pram->remoder);
3141
3142         /* function code register */
3143         out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
3144
3145         /* initialize extended filtering */
3146         if (ug_info->rxExtendedFiltering) {
3147                 if (!ug_info->extendedFilteringChainPointer) {
3148                         if (netif_msg_ifup(ugeth))
3149                                 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3150                                           __func__);
3151                         ucc_geth_memclean(ugeth);
3152                         return -EINVAL;
3153                 }
3154
3155                 /* Allocate memory for extended filtering Mode Global
3156                 Parameters */
3157                 ugeth->exf_glbl_param_offset =
3158                     qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3159                 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3160                 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3161                         if (netif_msg_ifup(ugeth))
3162                                 ugeth_err
3163                                         ("%s: Can not allocate DPRAM memory for"
3164                                         " p_exf_glbl_param.", __func__);
3165                         ucc_geth_memclean(ugeth);
3166                         return -ENOMEM;
3167                 }
3168
3169                 ugeth->p_exf_glbl_param =
3170                     (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
3171                                  exf_glbl_param_offset);
3172                 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
3173                          ugeth->exf_glbl_param_offset);
3174                 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
3175                          (u32) ug_info->extendedFilteringChainPointer);
3176
3177         } else {                /* initialize 82xx style address filtering */
3178
3179                 /* Init individual address recognition registers to disabled */
3180
3181                 for (j = 0; j < NUM_OF_PADDRS; j++)
3182                         ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
3183
3184                 p_82xx_addr_filt =
3185                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
3186                     p_rx_glbl_pram->addressfiltering;
3187
3188                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3189                         ENET_ADDR_TYPE_GROUP);
3190                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3191                         ENET_ADDR_TYPE_INDIVIDUAL);
3192         }
3193
3194         /*
3195          * Initialize UCC at QE level
3196          */
3197
3198         command = QE_INIT_TX_RX;
3199
3200         /* Allocate shadow InitEnet command parameter structure.
3201          * This is needed because after the InitEnet command is executed,
3202          * the structure in DPRAM is released, because DPRAM is a premium
3203          * resource.
3204          * This shadow structure keeps a copy of what was done so that the
3205          * allocated resources can be released when the channel is freed.
3206          */
3207         if (!(ugeth->p_init_enet_param_shadow =
3208               kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3209                 if (netif_msg_ifup(ugeth))
3210                         ugeth_err
3211                             ("%s: Can not allocate memory for"
3212                                 " p_UccInitEnetParamShadows.", __func__);
3213                 ucc_geth_memclean(ugeth);
3214                 return -ENOMEM;
3215         }
3216         /* Zero out *p_init_enet_param_shadow */
3217         memset((char *)ugeth->p_init_enet_param_shadow,
3218                0, sizeof(struct ucc_geth_init_pram));
3219
3220         /* Fill shadow InitEnet command parameter structure */
3221
3222         ugeth->p_init_enet_param_shadow->resinit1 =
3223             ENET_INIT_PARAM_MAGIC_RES_INIT1;
3224         ugeth->p_init_enet_param_shadow->resinit2 =
3225             ENET_INIT_PARAM_MAGIC_RES_INIT2;
3226         ugeth->p_init_enet_param_shadow->resinit3 =
3227             ENET_INIT_PARAM_MAGIC_RES_INIT3;
3228         ugeth->p_init_enet_param_shadow->resinit4 =
3229             ENET_INIT_PARAM_MAGIC_RES_INIT4;
3230         ugeth->p_init_enet_param_shadow->resinit5 =
3231             ENET_INIT_PARAM_MAGIC_RES_INIT5;
3232         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3233             ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
3234         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3235             ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
3236
3237         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3238             ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3239         if ((ug_info->largestexternallookupkeysize !=
3240              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
3241             && (ug_info->largestexternallookupkeysize !=
3242                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3243             && (ug_info->largestexternallookupkeysize !=
3244                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3245                 if (netif_msg_ifup(ugeth))
3246                         ugeth_err("%s: Invalid largest External Lookup Key Size.",
3247                                   __func__);
3248                 ucc_geth_memclean(ugeth);
3249                 return -EINVAL;
3250         }
3251         ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3252             ug_info->largestexternallookupkeysize;
3253         size = sizeof(struct ucc_geth_thread_rx_pram);
3254         if (ug_info->rxExtendedFiltering) {
3255                 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3256                 if (ug_info->largestexternallookupkeysize ==
3257                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3258                         size +=
3259                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3260                 if (ug_info->largestexternallookupkeysize ==
3261                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3262                         size +=
3263                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3264         }
3265
3266         if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3267                 p_init_enet_param_shadow->rxthread[0]),
3268                 (u8) (numThreadsRxNumerical + 1)
3269                 /* Rx needs one extra for terminator */
3270                 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3271                 ug_info->riscRx, 1)) != 0) {
3272                 if (netif_msg_ifup(ugeth))
3273                                 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3274                                         __func__);
3275                 ucc_geth_memclean(ugeth);
3276                 return ret_val;
3277         }
3278
3279         ugeth->p_init_enet_param_shadow->txglobal =
3280             ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3281         if ((ret_val =
3282              fill_init_enet_entries(ugeth,
3283                                     &(ugeth->p_init_enet_param_shadow->
3284                                       txthread[0]), numThreadsTxNumerical,
3285                                     sizeof(struct ucc_geth_thread_tx_pram),
3286                                     UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3287                                     ug_info->riscTx, 0)) != 0) {
3288                 if (netif_msg_ifup(ugeth))
3289                         ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3290                                   __func__);
3291                 ucc_geth_memclean(ugeth);
3292                 return ret_val;
3293         }
3294
3295         /* Load Rx bds with buffers */
3296         for (i = 0; i < ug_info->numQueuesRx; i++) {
3297                 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3298                         if (netif_msg_ifup(ugeth))
3299                                 ugeth_err("%s: Can not fill Rx bds with buffers.",
3300                                           __func__);
3301                         ucc_geth_memclean(ugeth);
3302                         return ret_val;
3303                 }
3304         }
3305
3306         /* Allocate InitEnet command parameter structure */
3307         init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3308         if (IS_ERR_VALUE(init_enet_pram_offset)) {
3309                 if (netif_msg_ifup(ugeth))
3310                         ugeth_err
3311                             ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3312                              __func__);
3313                 ucc_geth_memclean(ugeth);
3314                 return -ENOMEM;
3315         }
3316         p_init_enet_pram =
3317             (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3318
3319         /* Copy shadow InitEnet command parameter structure into PRAM */
3320         out_8(&p_init_enet_pram->resinit1,
3321                         ugeth->p_init_enet_param_shadow->resinit1);
3322         out_8(&p_init_enet_pram->resinit2,
3323                         ugeth->p_init_enet_param_shadow->resinit2);
3324         out_8(&p_init_enet_pram->resinit3,
3325                         ugeth->p_init_enet_param_shadow->resinit3);
3326         out_8(&p_init_enet_pram->resinit4,
3327                         ugeth->p_init_enet_param_shadow->resinit4);
3328         out_be16(&p_init_enet_pram->resinit5,
3329                  ugeth->p_init_enet_param_shadow->resinit5);
3330         out_8(&p_init_enet_pram->largestexternallookupkeysize,
3331             ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3332         out_be32(&p_init_enet_pram->rgftgfrxglobal,
3333                  ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3334         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3335                 out_be32(&p_init_enet_pram->rxthread[i],
3336                          ugeth->p_init_enet_param_shadow->rxthread[i]);
3337         out_be32(&p_init_enet_pram->txglobal,
3338                  ugeth->p_init_enet_param_shadow->txglobal);
3339         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3340                 out_be32(&p_init_enet_pram->txthread[i],
3341                          ugeth->p_init_enet_param_shadow->txthread[i]);
3342
3343         /* Issue QE command */
3344         cecr_subblock =
3345             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3346         qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3347                      init_enet_pram_offset);
3348
3349         /* Free InitEnet command parameter */
3350         qe_muram_free(init_enet_pram_offset);
3351
3352         return 0;
3353 }
3354
3355 /* ucc_geth_timeout gets called when a packet has not been
3356  * transmitted after a set amount of time.
3357  * For now, assume that clearing out all the structures, and
3358  * starting over will fix the problem. */
3359 static void ucc_geth_timeout(struct net_device *dev)
3360 {
3361         struct ucc_geth_private *ugeth = netdev_priv(dev);
3362
3363         ugeth_vdbg("%s: IN", __func__);
3364
3365         dev->stats.tx_errors++;
3366
3367         ugeth_dump_regs(ugeth);
3368
3369         if (dev->flags & IFF_UP) {
3370                 ucc_geth_stop(ugeth);
3371                 ucc_geth_startup(ugeth);
3372         }
3373
3374         netif_tx_schedule_all(dev);
3375 }
3376
3377 /* This is called by the kernel when a frame is ready for transmission. */
3378 /* It is pointed to by the dev->hard_start_xmit function pointer */
3379 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3380 {
3381         struct ucc_geth_private *ugeth = netdev_priv(dev);
3382 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3383         struct ucc_fast_private *uccf;
3384 #endif
3385         u8 __iomem *bd;                 /* BD pointer */
3386         u32 bd_status;
3387         u8 txQ = 0;
3388
3389         ugeth_vdbg("%s: IN", __func__);
3390
3391         spin_lock_irq(&ugeth->lock);
3392
3393         dev->stats.tx_bytes += skb->len;
3394
3395         /* Start from the next BD that should be filled */
3396         bd = ugeth->txBd[txQ];
3397         bd_status = in_be32((u32 __iomem *)bd);
3398         /* Save the skb pointer so we can free it later */
3399         ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3400
3401         /* Update the current skb pointer (wrapping if this was the last) */
3402         ugeth->skb_curtx[txQ] =
3403             (ugeth->skb_curtx[txQ] +
3404              1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3405
3406         /* set up the buffer descriptor */
3407         out_be32(&((struct qe_bd __iomem *)bd)->buf,
3408                       dma_map_single(&ugeth->dev->dev, skb->data,
3409                               skb->len, DMA_TO_DEVICE));
3410
3411         /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3412
3413         bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3414
3415         /* set bd status and length */
3416         out_be32((u32 __iomem *)bd, bd_status);
3417
3418         dev->trans_start = jiffies;
3419
3420         /* Move to next BD in the ring */
3421         if (!(bd_status & T_W))
3422                 bd += sizeof(struct qe_bd);
3423         else
3424                 bd = ugeth->p_tx_bd_ring[txQ];
3425
3426         /* If the next BD still needs to be cleaned up, then the bds
3427            are full.  We need to tell the kernel to stop sending us stuff. */
3428         if (bd == ugeth->confBd[txQ]) {
3429                 if (!netif_queue_stopped(dev))
3430                         netif_stop_queue(dev);
3431         }
3432
3433         ugeth->txBd[txQ] = bd;
3434
3435         if (ugeth->p_scheduler) {
3436                 ugeth->cpucount[txQ]++;
3437                 /* Indicate to QE that there are more Tx bds ready for
3438                 transmission */
3439                 /* This is done by writing a running counter of the bd
3440                 count to the scheduler PRAM. */
3441                 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3442         }
3443
3444 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3445         uccf = ugeth->uccf;
3446         out_be16(uccf->p_utodr, UCC_FAST_TOD);
3447 #endif
3448         spin_unlock_irq(&ugeth->lock);
3449
3450         return 0;
3451 }
3452
3453 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3454 {
3455         struct sk_buff *skb;
3456         u8 __iomem *bd;
3457         u16 length, howmany = 0;
3458         u32 bd_status;
3459         u8 *bdBuffer;
3460         struct net_device *dev;
3461
3462         ugeth_vdbg("%s: IN", __func__);
3463
3464         dev = ugeth->dev;
3465
3466         /* collect received buffers */
3467         bd = ugeth->rxBd[rxQ];
3468
3469         bd_status = in_be32((u32 __iomem *)bd);
3470
3471         /* while there are received buffers and BD is full (~R_E) */
3472         while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3473                 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3474                 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3475                 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3476
3477                 /* determine whether buffer is first, last, first and last
3478                 (single buffer frame) or middle (not first and not last) */
3479                 if (!skb ||
3480                     (!(bd_status & (R_F | R_L))) ||
3481                     (bd_status & R_ERRORS_FATAL)) {
3482                         if (netif_msg_rx_err(ugeth))
3483                                 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3484                                            __func__, __LINE__, (u32) skb);
3485                         if (skb)
3486                                 dev_kfree_skb_any(skb);
3487
3488                         ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3489                         dev->stats.rx_dropped++;
3490                 } else {
3491                         dev->stats.rx_packets++;
3492                         howmany++;
3493
3494                         /* Prep the skb for the packet */
3495                         skb_put(skb, length);
3496
3497                         /* Tell the skb what kind of packet this is */
3498                         skb->protocol = eth_type_trans(skb, ugeth->dev);
3499
3500                         dev->stats.rx_bytes += length;
3501                         /* Send the packet up the stack */
3502                         netif_receive_skb(skb);
3503                 }
3504
3505                 skb = get_new_skb(ugeth, bd);
3506                 if (!skb) {
3507                         if (netif_msg_rx_err(ugeth))
3508                                 ugeth_warn("%s: No Rx Data Buffer", __func__);
3509                         dev->stats.rx_dropped++;
3510                         break;
3511                 }
3512
3513                 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3514
3515                 /* update to point at the next skb */
3516                 ugeth->skb_currx[rxQ] =
3517                     (ugeth->skb_currx[rxQ] +
3518                      1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3519
3520                 if (bd_status & R_W)
3521                         bd = ugeth->p_rx_bd_ring[rxQ];
3522                 else
3523                         bd += sizeof(struct qe_bd);
3524
3525                 bd_status = in_be32((u32 __iomem *)bd);
3526         }
3527
3528         ugeth->rxBd[rxQ] = bd;
3529         return howmany;
3530 }
3531
3532 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3533 {
3534         /* Start from the next BD that should be filled */
3535         struct ucc_geth_private *ugeth = netdev_priv(dev);
3536         u8 __iomem *bd;         /* BD pointer */
3537         u32 bd_status;
3538
3539         bd = ugeth->confBd[txQ];
3540         bd_status = in_be32((u32 __iomem *)bd);
3541
3542         /* Normal processing. */
3543         while ((bd_status & T_R) == 0) {
3544                 /* BD contains already transmitted buffer.   */
3545                 /* Handle the transmitted buffer and release */
3546                 /* the BD to be used with the current frame  */
3547
3548                 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3549                         break;
3550
3551                 dev->stats.tx_packets++;
3552
3553                 /* Free the sk buffer associated with this TxBD */
3554                 dev_kfree_skb_irq(ugeth->
3555                                   tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3556                 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3557                 ugeth->skb_dirtytx[txQ] =
3558                     (ugeth->skb_dirtytx[txQ] +
3559                      1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3560
3561                 /* We freed a buffer, so now we can restart transmission */
3562                 if (netif_queue_stopped(dev))
3563                         netif_wake_queue(dev);
3564
3565                 /* Advance the confirmation BD pointer */
3566                 if (!(bd_status & T_W))
3567                         bd += sizeof(struct qe_bd);
3568                 else
3569                         bd = ugeth->p_tx_bd_ring[txQ];
3570                 bd_status = in_be32((u32 __iomem *)bd);
3571         }
3572         ugeth->confBd[txQ] = bd;
3573         return 0;
3574 }
3575
3576 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3577 {
3578         struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3579         struct net_device *dev = ugeth->dev;
3580         struct ucc_geth_info *ug_info;
3581         int howmany, i;
3582
3583         ug_info = ugeth->ug_info;
3584
3585         howmany = 0;
3586         for (i = 0; i < ug_info->numQueuesRx; i++)
3587                 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3588
3589         if (howmany < budget) {
3590                 struct ucc_fast_private *uccf;
3591                 u32 uccm;
3592
3593                 netif_rx_complete(dev, napi);
3594                 uccf = ugeth->uccf;
3595                 uccm = in_be32(uccf->p_uccm);
3596                 uccm |= UCCE_RX_EVENTS;
3597                 out_be32(uccf->p_uccm, uccm);
3598         }
3599
3600         return howmany;
3601 }
3602
3603 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3604 {
3605         struct net_device *dev = info;
3606         struct ucc_geth_private *ugeth = netdev_priv(dev);
3607         struct ucc_fast_private *uccf;
3608         struct ucc_geth_info *ug_info;
3609         register u32 ucce;
3610         register u32 uccm;
3611         register u32 tx_mask;
3612         u8 i;
3613
3614         ugeth_vdbg("%s: IN", __func__);
3615
3616         uccf = ugeth->uccf;
3617         ug_info = ugeth->ug_info;
3618
3619         /* read and clear events */
3620         ucce = (u32) in_be32(uccf->p_ucce);
3621         uccm = (u32) in_be32(uccf->p_uccm);
3622         ucce &= uccm;
3623         out_be32(uccf->p_ucce, ucce);
3624
3625         /* check for receive events that require processing */
3626         if (ucce & UCCE_RX_EVENTS) {
3627                 if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
3628                         uccm &= ~UCCE_RX_EVENTS;
3629                         out_be32(uccf->p_uccm, uccm);
3630                         __netif_rx_schedule(dev, &ugeth->napi);
3631                 }
3632         }
3633
3634         /* Tx event processing */
3635         if (ucce & UCCE_TX_EVENTS) {
3636                 spin_lock(&ugeth->lock);
3637                 tx_mask = UCCE_TXBF_SINGLE_MASK;
3638                 for (i = 0; i < ug_info->numQueuesTx; i++) {
3639                         if (ucce & tx_mask)
3640                                 ucc_geth_tx(dev, i);
3641                         ucce &= ~tx_mask;
3642                         tx_mask <<= 1;
3643                 }
3644                 spin_unlock(&ugeth->lock);
3645         }
3646
3647         /* Errors and other events */
3648         if (ucce & UCCE_OTHER) {
3649                 if (ucce & UCCE_BSY) {
3650                         dev->stats.rx_errors++;
3651                 }
3652                 if (ucce & UCCE_TXE) {
3653                         dev->stats.tx_errors++;
3654                 }
3655         }
3656
3657         return IRQ_HANDLED;
3658 }
3659
3660 #ifdef CONFIG_NET_POLL_CONTROLLER
3661 /*
3662  * Polling 'interrupt' - used by things like netconsole to send skbs
3663  * without having to re-enable interrupts. It's not called while
3664  * the interrupt routine is executing.
3665  */
3666 static void ucc_netpoll(struct net_device *dev)
3667 {
3668         struct ucc_geth_private *ugeth = netdev_priv(dev);
3669         int irq = ugeth->ug_info->uf_info.irq;
3670
3671         disable_irq(irq);
3672         ucc_geth_irq_handler(irq, dev);
3673         enable_irq(irq);
3674 }
3675 #endif /* CONFIG_NET_POLL_CONTROLLER */
3676
3677 /* Called when something needs to use the ethernet device */
3678 /* Returns 0 for success. */
3679 static int ucc_geth_open(struct net_device *dev)
3680 {
3681         struct ucc_geth_private *ugeth = netdev_priv(dev);
3682         int err;
3683
3684         ugeth_vdbg("%s: IN", __func__);
3685
3686         /* Test station address */
3687         if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3688                 if (netif_msg_ifup(ugeth))
3689                         ugeth_err("%s: Multicast address used for station address"
3690                                   " - is this what you wanted?", __func__);
3691                 return -EINVAL;
3692         }
3693
3694         err = ucc_struct_init(ugeth);
3695         if (err) {
3696                 if (netif_msg_ifup(ugeth))
3697                         ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3698                 return err;
3699         }
3700
3701         napi_enable(&ugeth->napi);
3702
3703         err = ucc_geth_startup(ugeth);
3704         if (err) {
3705                 if (netif_msg_ifup(ugeth))
3706                         ugeth_err("%s: Cannot configure net device, aborting.",
3707                                   dev->name);
3708                 goto out_err;
3709         }
3710
3711         err = adjust_enet_interface(ugeth);
3712         if (err) {
3713                 if (netif_msg_ifup(ugeth))
3714                         ugeth_err("%s: Cannot configure net device, aborting.",
3715                                   dev->name);
3716                 goto out_err;
3717         }
3718
3719         /*       Set MACSTNADDR1, MACSTNADDR2                */
3720         /* For more details see the hardware spec.           */
3721         init_mac_station_addr_regs(dev->dev_addr[0],
3722                                    dev->dev_addr[1],
3723                                    dev->dev_addr[2],
3724                                    dev->dev_addr[3],
3725                                    dev->dev_addr[4],
3726                                    dev->dev_addr[5],
3727                                    &ugeth->ug_regs->macstnaddr1,
3728                                    &ugeth->ug_regs->macstnaddr2);
3729
3730         err = init_phy(dev);
3731         if (err) {
3732                 if (netif_msg_ifup(ugeth))
3733                         ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3734                 goto out_err;
3735         }
3736
3737         phy_start(ugeth->phydev);
3738
3739         err =
3740             request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0,
3741                         "UCC Geth", dev);
3742         if (err) {
3743                 if (netif_msg_ifup(ugeth))
3744                         ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3745                                   dev->name);
3746                 ucc_geth_stop(ugeth);
3747                 goto out_err;
3748         }
3749
3750         err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3751         if (err) {
3752                 if (netif_msg_ifup(ugeth))
3753                         ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3754                 ucc_geth_stop(ugeth);
3755                 goto out_err;
3756         }
3757
3758         netif_start_queue(dev);
3759
3760         return err;
3761
3762 out_err:
3763         napi_disable(&ugeth->napi);
3764
3765         return err;
3766 }
3767
3768 /* Stops the kernel queue, and halts the controller */
3769 static int ucc_geth_close(struct net_device *dev)
3770 {
3771         struct ucc_geth_private *ugeth = netdev_priv(dev);
3772
3773         ugeth_vdbg("%s: IN", __func__);
3774
3775         napi_disable(&ugeth->napi);
3776
3777         ucc_geth_stop(ugeth);
3778
3779         phy_disconnect(ugeth->phydev);
3780         ugeth->phydev = NULL;
3781
3782         netif_stop_queue(dev);
3783
3784         return 0;
3785 }
3786
3787 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3788 {
3789         if (strcasecmp(phy_connection_type, "mii") == 0)
3790                 return PHY_INTERFACE_MODE_MII;
3791         if (strcasecmp(phy_connection_type, "gmii") == 0)
3792                 return PHY_INTERFACE_MODE_GMII;
3793         if (strcasecmp(phy_connection_type, "tbi") == 0)
3794                 return PHY_INTERFACE_MODE_TBI;
3795         if (strcasecmp(phy_connection_type, "rmii") == 0)
3796                 return PHY_INTERFACE_MODE_RMII;
3797         if (strcasecmp(phy_connection_type, "rgmii") == 0)
3798                 return PHY_INTERFACE_MODE_RGMII;
3799         if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3800                 return PHY_INTERFACE_MODE_RGMII_ID;
3801         if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3802                 return PHY_INTERFACE_MODE_RGMII_TXID;
3803         if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3804                 return PHY_INTERFACE_MODE_RGMII_RXID;
3805         if (strcasecmp(phy_connection_type, "rtbi") == 0)
3806                 return PHY_INTERFACE_MODE_RTBI;
3807
3808         return PHY_INTERFACE_MODE_MII;
3809 }
3810
3811 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3812 {
3813         struct device *device = &ofdev->dev;
3814         struct device_node *np = ofdev->node;
3815         struct device_node *mdio;
3816         struct net_device *dev = NULL;
3817         struct ucc_geth_private *ugeth = NULL;
3818         struct ucc_geth_info *ug_info;
3819         struct resource res;
3820         struct device_node *phy;
3821         int err, ucc_num, max_speed = 0;
3822         const phandle *ph;
3823         const u32 *fixed_link;
3824         const unsigned int *prop;
3825         const char *sprop;
3826         const void *mac_addr;
3827         phy_interface_t phy_interface;
3828         static const int enet_to_speed[] = {
3829                 SPEED_10, SPEED_10, SPEED_10,
3830                 SPEED_100, SPEED_100, SPEED_100,
3831                 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3832         };
3833         static const phy_interface_t enet_to_phy_interface[] = {
3834                 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3835                 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3836                 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3837                 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3838                 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3839         };
3840
3841         ugeth_vdbg("%s: IN", __func__);
3842
3843         prop = of_get_property(np, "cell-index", NULL);
3844         if (!prop) {
3845                 prop = of_get_property(np, "device-id", NULL);
3846                 if (!prop)
3847                         return -ENODEV;
3848         }
3849
3850         ucc_num = *prop - 1;
3851         if ((ucc_num < 0) || (ucc_num > 7))
3852                 return -ENODEV;
3853
3854         ug_info = &ugeth_info[ucc_num];
3855         if (ug_info == NULL) {
3856                 if (netif_msg_probe(&debug))
3857                         ugeth_err("%s: [%d] Missing additional data!",
3858                                         __func__, ucc_num);
3859                 return -ENODEV;
3860         }
3861
3862         ug_info->uf_info.ucc_num = ucc_num;
3863
3864         sprop = of_get_property(np, "rx-clock-name", NULL);
3865         if (sprop) {
3866                 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3867                 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3868                     (ug_info->uf_info.rx_clock > QE_CLK24)) {
3869                         printk(KERN_ERR
3870                                 "ucc_geth: invalid rx-clock-name property\n");
3871                         return -EINVAL;
3872                 }
3873         } else {
3874                 prop = of_get_property(np, "rx-clock", NULL);
3875                 if (!prop) {
3876                         /* If both rx-clock-name and rx-clock are missing,
3877                            we want to tell people to use rx-clock-name. */
3878                         printk(KERN_ERR
3879                                 "ucc_geth: missing rx-clock-name property\n");
3880                         return -EINVAL;
3881                 }
3882                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3883                         printk(KERN_ERR
3884                                 "ucc_geth: invalid rx-clock propperty\n");
3885                         return -EINVAL;
3886                 }
3887                 ug_info->uf_info.rx_clock = *prop;
3888         }
3889
3890         sprop = of_get_property(np, "tx-clock-name", NULL);
3891         if (sprop) {
3892                 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3893                 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3894                     (ug_info->uf_info.tx_clock > QE_CLK24)) {
3895                         printk(KERN_ERR
3896                                 "ucc_geth: invalid tx-clock-name property\n");
3897                         return -EINVAL;
3898                 }
3899         } else {
3900                 prop = of_get_property(np, "tx-clock", NULL);
3901                 if (!prop) {
3902                         printk(KERN_ERR
3903                                 "ucc_geth: mising tx-clock-name property\n");
3904                         return -EINVAL;
3905                 }
3906                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3907                         printk(KERN_ERR
3908                                 "ucc_geth: invalid tx-clock property\n");
3909                         return -EINVAL;
3910                 }
3911                 ug_info->uf_info.tx_clock = *prop;
3912         }
3913
3914         err = of_address_to_resource(np, 0, &res);
3915         if (err)
3916                 return -EINVAL;
3917
3918         ug_info->uf_info.regs = res.start;
3919         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3920         fixed_link = of_get_property(np, "fixed-link", NULL);
3921         if (fixed_link) {
3922                 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3923                 ug_info->phy_address = fixed_link[0];
3924                 phy = NULL;
3925         } else {
3926                 ph = of_get_property(np, "phy-handle", NULL);
3927                 phy = of_find_node_by_phandle(*ph);
3928
3929                 if (phy == NULL)
3930                         return -ENODEV;
3931
3932                 /* set the PHY address */
3933                 prop = of_get_property(phy, "reg", NULL);
3934                 if (prop == NULL)
3935                         return -1;
3936                 ug_info->phy_address = *prop;
3937
3938                 /* Set the bus id */
3939                 mdio = of_get_parent(phy);
3940
3941                 if (mdio == NULL)
3942                         return -1;
3943
3944                 err = of_address_to_resource(mdio, 0, &res);
3945                 of_node_put(mdio);
3946
3947                 if (err)
3948                         return -1;
3949
3950                 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3951         }
3952
3953         /* get the phy interface type, or default to MII */
3954         prop = of_get_property(np, "phy-connection-type", NULL);
3955         if (!prop) {
3956                 /* handle interface property present in old trees */
3957                 prop = of_get_property(phy, "interface", NULL);
3958                 if (prop != NULL) {
3959                         phy_interface = enet_to_phy_interface[*prop];
3960                         max_speed = enet_to_speed[*prop];
3961                 } else
3962                         phy_interface = PHY_INTERFACE_MODE_MII;
3963         } else {
3964                 phy_interface = to_phy_interface((const char *)prop);
3965         }
3966
3967         /* get speed, or derive from PHY interface */
3968         if (max_speed == 0)
3969                 switch (phy_interface) {
3970                 case PHY_INTERFACE_MODE_GMII:
3971                 case PHY_INTERFACE_MODE_RGMII:
3972                 case PHY_INTERFACE_MODE_RGMII_ID:
3973                 case PHY_INTERFACE_MODE_RGMII_RXID:
3974                 case PHY_INTERFACE_MODE_RGMII_TXID:
3975                 case PHY_INTERFACE_MODE_TBI:
3976                 case PHY_INTERFACE_MODE_RTBI:
3977                         max_speed = SPEED_1000;
3978                         break;
3979                 default:
3980                         max_speed = SPEED_100;
3981                         break;
3982                 }
3983
3984         if (max_speed == SPEED_1000) {
3985                 /* configure muram FIFOs for gigabit operation */
3986                 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3987                 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3988                 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3989                 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3990                 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3991                 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3992                 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3993                 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3994         }
3995
3996         if (netif_msg_probe(&debug))
3997                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3998                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3999                         ug_info->uf_info.irq);
4000
4001         /* Create an ethernet device instance */
4002         dev = alloc_etherdev(sizeof(*ugeth));
4003
4004         if (dev == NULL)
4005                 return -ENOMEM;
4006
4007         ugeth = netdev_priv(dev);
4008         spin_lock_init(&ugeth->lock);
4009
4010         /* Create CQs for hash tables */
4011         INIT_LIST_HEAD(&ugeth->group_hash_q);
4012         INIT_LIST_HEAD(&ugeth->ind_hash_q);
4013
4014         dev_set_drvdata(device, dev);
4015
4016         /* Set the dev->base_addr to the gfar reg region */
4017         dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
4018
4019         SET_NETDEV_DEV(dev, device);
4020
4021         /* Fill in the dev structure */
4022         uec_set_ethtool_ops(dev);
4023         dev->open = ucc_geth_open;
4024         dev->hard_start_xmit = ucc_geth_start_xmit;
4025         dev->tx_timeout = ucc_geth_timeout;
4026         dev->watchdog_timeo = TX_TIMEOUT;
4027         netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
4028 #ifdef CONFIG_NET_POLL_CONTROLLER
4029         dev->poll_controller = ucc_netpoll;
4030 #endif
4031         dev->stop = ucc_geth_close;
4032 //    dev->change_mtu = ucc_geth_change_mtu;
4033         dev->mtu = 1500;
4034         dev->set_multicast_list = ucc_geth_set_multi;
4035
4036         ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
4037         ugeth->phy_interface = phy_interface;
4038         ugeth->max_speed = max_speed;
4039
4040         err = register_netdev(dev);
4041         if (err) {
4042                 if (netif_msg_probe(ugeth))
4043                         ugeth_err("%s: Cannot register net device, aborting.",
4044                                   dev->name);
4045                 free_netdev(dev);
4046                 return err;
4047         }
4048
4049         mac_addr = of_get_mac_address(np);
4050         if (mac_addr)
4051                 memcpy(dev->dev_addr, mac_addr, 6);
4052
4053         ugeth->ug_info = ug_info;
4054         ugeth->dev = dev;
4055
4056         return 0;
4057 }
4058
4059 static int ucc_geth_remove(struct of_device* ofdev)
4060 {
4061         struct device *device = &ofdev->dev;
4062         struct net_device *dev = dev_get_drvdata(device);
4063         struct ucc_geth_private *ugeth = netdev_priv(dev);
4064
4065         unregister_netdev(dev);
4066         free_netdev(dev);
4067         ucc_geth_memclean(ugeth);
4068         dev_set_drvdata(device, NULL);
4069
4070         return 0;
4071 }
4072
4073 static struct of_device_id ucc_geth_match[] = {
4074         {
4075                 .type = "network",
4076                 .compatible = "ucc_geth",
4077         },
4078         {},
4079 };
4080
4081 MODULE_DEVICE_TABLE(of, ucc_geth_match);
4082
4083 static struct of_platform_driver ucc_geth_driver = {
4084         .name           = DRV_NAME,
4085         .match_table    = ucc_geth_match,
4086         .probe          = ucc_geth_probe,
4087         .remove         = ucc_geth_remove,
4088 };
4089
4090 static int __init ucc_geth_init(void)
4091 {
4092         int i, ret;
4093
4094         ret = uec_mdio_init();
4095
4096         if (ret)
4097                 return ret;
4098
4099         if (netif_msg_drv(&debug))
4100                 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4101         for (i = 0; i < 8; i++)
4102                 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4103                        sizeof(ugeth_primary_info));
4104
4105         ret = of_register_platform_driver(&ucc_geth_driver);
4106
4107         if (ret)
4108                 uec_mdio_exit();
4109
4110         return ret;
4111 }
4112
4113 static void __exit ucc_geth_exit(void)
4114 {
4115         of_unregister_platform_driver(&ucc_geth_driver);
4116         uec_mdio_exit();
4117 }
4118
4119 module_init(ucc_geth_init);
4120 module_exit(ucc_geth_exit);
4121
4122 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4123 MODULE_DESCRIPTION(DRV_DESC);
4124 MODULE_VERSION(DRV_VERSION);
4125 MODULE_LICENSE("GPL");