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
  32 #include <asm/of_platform.h>
  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 void uec_set_ethtool_ops(struct net_device *netdev);
  66
  67 static DEFINE_SPINLOCK(ugeth_lock);
  68
  69 static struct {
  70         u32 msg_enable;
  71 } debug = { -1 };
  72
  73 module_param_named(debug, debug.msg_enable, int, 0);
  74 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
  75
  76 static struct ucc_geth_info ugeth_primary_info = {
  77         .uf_info = {
  78                     .bd_mem_part = MEM_PART_SYSTEM,
  79                     .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
  80                     .max_rx_buf_length = 1536,
  81                     /* adjusted at startup if max-speed 1000 */
  82                     .urfs = UCC_GETH_URFS_INIT,
  83                     .urfet = UCC_GETH_URFET_INIT,
  84                     .urfset = UCC_GETH_URFSET_INIT,
  85                     .utfs = UCC_GETH_UTFS_INIT,
  86                     .utfet = UCC_GETH_UTFET_INIT,
  87                     .utftt = UCC_GETH_UTFTT_INIT,
  88                     .ufpt = 256,
  89                     .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
  90                     .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
  91                     .tenc = UCC_FAST_TX_ENCODING_NRZ,
  92                     .renc = UCC_FAST_RX_ENCODING_NRZ,
  93                     .tcrc = UCC_FAST_16_BIT_CRC,
  94                     .synl = UCC_FAST_SYNC_LEN_NOT_USED,
  95                     },
  96         .numQueuesTx = 1,
  97         .numQueuesRx = 1,
  98         .extendedFilteringChainPointer = ((uint32_t) NULL),
  99         .typeorlen = 3072 /*1536 */ ,
 100         .nonBackToBackIfgPart1 = 0x40,
 101         .nonBackToBackIfgPart2 = 0x60,
 102         .miminumInterFrameGapEnforcement = 0x50,
 103         .backToBackInterFrameGap = 0x60,
 104         .mblinterval = 128,
 105         .nortsrbytetime = 5,
 106         .fracsiz = 1,
 107         .strictpriorityq = 0xff,
 108         .altBebTruncation = 0xa,
 109         .excessDefer = 1,
 110         .maxRetransmission = 0xf,
 111         .collisionWindow = 0x37,
 112         .receiveFlowControl = 1,
 113         .transmitFlowControl = 1,
 114         .maxGroupAddrInHash = 4,
 115         .maxIndAddrInHash = 4,
 116         .prel = 7,
 117         .maxFrameLength = 1518,
 118         .minFrameLength = 64,
 119         .maxD1Length = 1520,
 120         .maxD2Length = 1520,
 121         .vlantype = 0x8100,
 122         .ecamptr = ((uint32_t) NULL),
 123         .eventRegMask = UCCE_OTHER,
 124         .pausePeriod = 0xf000,
 125         .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
 126         .bdRingLenTx = {
 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                         TX_BD_RING_LEN},
 135
 136         .bdRingLenRx = {
 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                         RX_BD_RING_LEN},
 145
 146         .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
 147         .largestexternallookupkeysize =
 148             QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
 149         .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
 150                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
 151                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
 152         .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
 153         .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
 154         .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
 155         .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
 156         .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
 157         .numThreadsTx = UCC_GETH_NUM_OF_THREADS_4,
 158         .numThreadsRx = UCC_GETH_NUM_OF_THREADS_4,
 159         .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 160         .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 161 };
 162
 163 static struct ucc_geth_info ugeth_info[8];
 164
 165 #ifdef DEBUG
 166 static void mem_disp(u8 *addr, int size)
 167 {
 168         u8 *i;
 169         int size16Aling = (size >> 4) << 4;
 170         int size4Aling = (size >> 2) << 2;
 171         int notAlign = 0;
 172         if (size % 16)
 173                 notAlign = 1;
 174
 175         for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
 176                 printk("0x%08x: %08x %08x %08x %08x\r\n",
 177                        (u32) i,
 178                        *((u32 *) (i)),
 179                        *((u32 *) (i + 4)),
 180                        *((u32 *) (i + 8)), *((u32 *) (i + 12)));
 181         if (notAlign == 1)
 182                 printk("0x%08x: ", (u32) i);
 183         for (; (u32) i < (u32) addr + size4Aling; i += 4)
 184                 printk("%08x ", *((u32 *) (i)));
 185         for (; (u32) i < (u32) addr + size; i++)
 186                 printk("%02x", *((u8 *) (i)));
 187         if (notAlign == 1)
 188                 printk("\r\n");
 189 }
 190 #endif /* DEBUG */
 191
 192 #ifdef CONFIG_UGETH_FILTERING
 193 static void enqueue(struct list_head *node, struct list_head *lh)
 194 {
 195         unsigned long flags;
 196
 197         spin_lock_irqsave(&ugeth_lock, flags);
 198         list_add_tail(node, lh);
 199         spin_unlock_irqrestore(&ugeth_lock, flags);
 200 }
 201 #endif /* CONFIG_UGETH_FILTERING */
 202
 203 static struct list_head *dequeue(struct list_head *lh)
 204 {
 205         unsigned long flags;
 206
 207         spin_lock_irqsave(&ugeth_lock, flags);
 208         if (!list_empty(lh)) {
 209                 struct list_head *node = lh->next;
 210                 list_del(node);
 211                 spin_unlock_irqrestore(&ugeth_lock, flags);
 212                 return node;
 213         } else {
 214                 spin_unlock_irqrestore(&ugeth_lock, flags);
 215                 return NULL;
 216         }
 217 }
 218
 219 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, u8 *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 *)bd)->buf,
 240                       dma_map_single(NULL,
 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 *)bd, (R_E | R_I | (in_be32((u32 *)bd) & R_W)));
 247
 248         return skb;
 249 }
 250
 251 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
 252 {
 253         u8 *bd;
 254         u32 bd_status;
 255         struct sk_buff *skb;
 256         int i;
 257
 258         bd = ugeth->p_rx_bd_ring[rxQ];
 259         i = 0;
 260
 261         do {
 262                 bd_status = in_be32((u32*)bd);
 263                 skb = get_new_skb(ugeth, bd);
 264
 265                 if (!skb)       /* If can not allocate data buffer,
 266                                 abort. Cleanup will be elsewhere */
 267                         return -ENOMEM;
 268
 269                 ugeth->rx_skbuff[rxQ][i] = skb;
 270
 271                 /* advance the BD pointer */
 272                 bd += sizeof(struct qe_bd);
 273                 i++;
 274         } while (!(bd_status & R_W));
 275
 276         return 0;
 277 }
 278
 279 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
 280                                   volatile u32 *p_start,
 281                                   u8 num_entries,
 282                                   u32 thread_size,
 283                                   u32 thread_alignment,
 284                                   enum qe_risc_allocation risc,
 285                                   int skip_page_for_first_entry)
 286 {
 287         u32 init_enet_offset;
 288         u8 i;
 289         int snum;
 290
 291         for (i = 0; i < num_entries; i++) {
 292                 if ((snum = qe_get_snum()) < 0) {
 293                         if (netif_msg_ifup(ugeth))
 294                                 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
 295                         return snum;
 296                 }
 297                 if ((i == 0) && skip_page_for_first_entry)
 298                 /* First entry of Rx does not have page */
 299                         init_enet_offset = 0;
 300                 else {
 301                         init_enet_offset =
 302                             qe_muram_alloc(thread_size, thread_alignment);
 303                         if (IS_ERR_VALUE(init_enet_offset)) {
 304                                 if (netif_msg_ifup(ugeth))
 305                                         ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
 306                                 qe_put_snum((u8) snum);
 307                                 return -ENOMEM;
 308                         }
 309                 }
 310                 *(p_start++) =
 311                     ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
 312                     | risc;
 313         }
 314
 315         return 0;
 316 }
 317
 318 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
 319                                     volatile u32 *p_start,
 320                                     u8 num_entries,
 321                                     enum qe_risc_allocation risc,
 322                                     int skip_page_for_first_entry)
 323 {
 324         u32 init_enet_offset;
 325         u8 i;
 326         int snum;
 327
 328         for (i = 0; i < num_entries; i++) {
 329                 /* Check that this entry was actually valid --
 330                 needed in case failed in allocations */
 331                 if ((*p_start & ENET_INIT_PARAM_RISC_MASK) == risc) {
 332                         snum =
 333                             (u32) (*p_start & ENET_INIT_PARAM_SNUM_MASK) >>
 334                             ENET_INIT_PARAM_SNUM_SHIFT;
 335                         qe_put_snum((u8) snum);
 336                         if (!((i == 0) && skip_page_for_first_entry)) {
 337                         /* First entry of Rx does not have page */
 338                                 init_enet_offset =
 339                                     (in_be32(p_start) &
 340                                      ENET_INIT_PARAM_PTR_MASK);
 341                                 qe_muram_free(init_enet_offset);
 342                         }
 343                         *(p_start++) = 0;       /* Just for cosmetics */
 344                 }
 345         }
 346
 347         return 0;
 348 }
 349
 350 #ifdef DEBUG
 351 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
 352                                   volatile u32 *p_start,
 353                                   u8 num_entries,
 354                                   u32 thread_size,
 355                                   enum qe_risc_allocation risc,
 356                                   int skip_page_for_first_entry)
 357 {
 358         u32 init_enet_offset;
 359         u8 i;
 360         int snum;
 361
 362         for (i = 0; i < num_entries; i++) {
 363                 /* Check that this entry was actually valid --
 364                 needed in case failed in allocations */
 365                 if ((*p_start & ENET_INIT_PARAM_RISC_MASK) == risc) {
 366                         snum =
 367                             (u32) (*p_start & ENET_INIT_PARAM_SNUM_MASK) >>
 368                             ENET_INIT_PARAM_SNUM_SHIFT;
 369                         qe_put_snum((u8) snum);
 370                         if (!((i == 0) && skip_page_for_first_entry)) {
 371                         /* First entry of Rx does not have page */
 372                                 init_enet_offset =
 373                                     (in_be32(p_start) &
 374                                      ENET_INIT_PARAM_PTR_MASK);
 375                                 ugeth_info("Init enet entry %d:", i);
 376                                 ugeth_info("Base address: 0x%08x",
 377                                            (u32)
 378                                            qe_muram_addr(init_enet_offset));
 379                                 mem_disp(qe_muram_addr(init_enet_offset),
 380                                          thread_size);
 381                         }
 382                         p_start++;
 383                 }
 384         }
 385
 386         return 0;
 387 }
 388 #endif
 389
 390 #ifdef CONFIG_UGETH_FILTERING
 391 static struct enet_addr_container *get_enet_addr_container(void)
 392 {
 393         struct enet_addr_container *enet_addr_cont;
 394
 395         /* allocate memory */
 396         enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL);
 397         if (!enet_addr_cont) {
 398                 ugeth_err("%s: No memory for enet_addr_container object.",
 399                           __FUNCTION__);
 400                 return NULL;
 401         }
 402
 403         return enet_addr_cont;
 404 }
 405 #endif /* CONFIG_UGETH_FILTERING */
 406
 407 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
 408 {
 409         kfree(enet_addr_cont);
 410 }
 411
 412 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
 413 {
 414         out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
 415         out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
 416         out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
 417 }
 418
 419 #ifdef CONFIG_UGETH_FILTERING
 420 static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth,
 421                                 u8 *p_enet_addr, u8 paddr_num)
 422 {
 423         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
 424
 425         if (!(paddr_num < NUM_OF_PADDRS)) {
 426                 ugeth_warn("%s: Illegal paddr_num.", __FUNCTION__);
 427                 return -EINVAL;
 428         }
 429
 430         p_82xx_addr_filt =
 431             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
 432             addressfiltering;
 433
 434         /* Ethernet frames are defined in Little Endian mode,    */
 435         /* therefore to insert the address we reverse the bytes. */
 436         set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr);
 437         return 0;
 438 }
 439 #endif /* CONFIG_UGETH_FILTERING */
 440
 441 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
 442 {
 443         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
 444
 445         if (!(paddr_num < NUM_OF_PADDRS)) {
 446                 ugeth_warn("%s: Illagel paddr_num.", __FUNCTION__);
 447                 return -EINVAL;
 448         }
 449
 450         p_82xx_addr_filt =
 451             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
 452             addressfiltering;
 453
 454         /* Writing address ff.ff.ff.ff.ff.ff disables address
 455         recognition for this register */
 456         out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
 457         out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
 458         out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
 459
 460         return 0;
 461 }
 462
 463 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
 464                                 u8 *p_enet_addr)
 465 {
 466         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
 467         u32 cecr_subblock;
 468
 469         p_82xx_addr_filt =
 470             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
 471             addressfiltering;
 472
 473         cecr_subblock =
 474             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
 475
 476         /* Ethernet frames are defined in Little Endian mode,
 477         therefor to insert */
 478         /* the address to the hash (Big Endian mode), we reverse the bytes.*/
 479
 480         set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
 481
 482         qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
 483                      QE_CR_PROTOCOL_ETHERNET, 0);
 484 }
 485
 486 #ifdef CONFIG_UGETH_MAGIC_PACKET
 487 static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
 488 {
 489         struct ucc_fast_private *uccf;
 490         struct ucc_geth *ug_regs;
 491         u32 maccfg2, uccm;
 492
 493         uccf = ugeth->uccf;
 494         ug_regs = ugeth->ug_regs;
 495
 496         /* Enable interrupts for magic packet detection */
 497         uccm = in_be32(uccf->p_uccm);
 498         uccm |= UCCE_MPD;
 499         out_be32(uccf->p_uccm, uccm);
 500
 501         /* Enable magic packet detection */
 502         maccfg2 = in_be32(&ug_regs->maccfg2);
 503         maccfg2 |= MACCFG2_MPE;
 504         out_be32(&ug_regs->maccfg2, maccfg2);
 505 }
 506
 507 static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
 508 {
 509         struct ucc_fast_private *uccf;
 510         struct ucc_geth *ug_regs;
 511         u32 maccfg2, uccm;
 512
 513         uccf = ugeth->uccf;
 514         ug_regs = ugeth->ug_regs;
 515
 516         /* Disable interrupts for magic packet detection */
 517         uccm = in_be32(uccf->p_uccm);
 518         uccm &= ~UCCE_MPD;
 519         out_be32(uccf->p_uccm, uccm);
 520
 521         /* Disable magic packet detection */
 522         maccfg2 = in_be32(&ug_regs->maccfg2);
 523         maccfg2 &= ~MACCFG2_MPE;
 524         out_be32(&ug_regs->maccfg2, maccfg2);
 525 }
 526 #endif /* MAGIC_PACKET */
 527
 528 static inline int compare_addr(u8 **addr1, u8 **addr2)
 529 {
 530         return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
 531 }
 532
 533 #ifdef DEBUG
 534 static void get_statistics(struct ucc_geth_private *ugeth,
 535                            struct ucc_geth_tx_firmware_statistics *
 536                            tx_firmware_statistics,
 537                            struct ucc_geth_rx_firmware_statistics *
 538                            rx_firmware_statistics,
 539                            struct ucc_geth_hardware_statistics *hardware_statistics)
 540 {
 541         struct ucc_fast *uf_regs;
 542         struct ucc_geth *ug_regs;
 543         struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
 544         struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
 545
 546         ug_regs = ugeth->ug_regs;
 547         uf_regs = (struct ucc_fast *) ug_regs;
 548         p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
 549         p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
 550
 551         /* Tx firmware only if user handed pointer and driver actually
 552         gathers Tx firmware statistics */
 553         if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
 554                 tx_firmware_statistics->sicoltx =
 555                     in_be32(&p_tx_fw_statistics_pram->sicoltx);
 556                 tx_firmware_statistics->mulcoltx =
 557                     in_be32(&p_tx_fw_statistics_pram->mulcoltx);
 558                 tx_firmware_statistics->latecoltxfr =
 559                     in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
 560                 tx_firmware_statistics->frabortduecol =
 561                     in_be32(&p_tx_fw_statistics_pram->frabortduecol);
 562                 tx_firmware_statistics->frlostinmactxer =
 563                     in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
 564                 tx_firmware_statistics->carriersenseertx =
 565                     in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
 566                 tx_firmware_statistics->frtxok =
 567                     in_be32(&p_tx_fw_statistics_pram->frtxok);
 568                 tx_firmware_statistics->txfrexcessivedefer =
 569                     in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
 570                 tx_firmware_statistics->txpkts256 =
 571                     in_be32(&p_tx_fw_statistics_pram->txpkts256);
 572                 tx_firmware_statistics->txpkts512 =
 573                     in_be32(&p_tx_fw_statistics_pram->txpkts512);
 574                 tx_firmware_statistics->txpkts1024 =
 575                     in_be32(&p_tx_fw_statistics_pram->txpkts1024);
 576                 tx_firmware_statistics->txpktsjumbo =
 577                     in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
 578         }
 579
 580         /* Rx firmware only if user handed pointer and driver actually
 581          * gathers Rx firmware statistics */
 582         if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
 583                 int i;
 584                 rx_firmware_statistics->frrxfcser =
 585                     in_be32(&p_rx_fw_statistics_pram->frrxfcser);
 586                 rx_firmware_statistics->fraligner =
 587                     in_be32(&p_rx_fw_statistics_pram->fraligner);
 588                 rx_firmware_statistics->inrangelenrxer =
 589                     in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
 590                 rx_firmware_statistics->outrangelenrxer =
 591                     in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
 592                 rx_firmware_statistics->frtoolong =
 593                     in_be32(&p_rx_fw_statistics_pram->frtoolong);
 594                 rx_firmware_statistics->runt =
 595                     in_be32(&p_rx_fw_statistics_pram->runt);
 596                 rx_firmware_statistics->verylongevent =
 597                     in_be32(&p_rx_fw_statistics_pram->verylongevent);
 598                 rx_firmware_statistics->symbolerror =
 599                     in_be32(&p_rx_fw_statistics_pram->symbolerror);
 600                 rx_firmware_statistics->dropbsy =
 601                     in_be32(&p_rx_fw_statistics_pram->dropbsy);
 602                 for (i = 0; i < 0x8; i++)
 603                         rx_firmware_statistics->res0[i] =
 604                             p_rx_fw_statistics_pram->res0[i];
 605                 rx_firmware_statistics->mismatchdrop =
 606                     in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
 607                 rx_firmware_statistics->underpkts =
 608                     in_be32(&p_rx_fw_statistics_pram->underpkts);
 609                 rx_firmware_statistics->pkts256 =
 610                     in_be32(&p_rx_fw_statistics_pram->pkts256);
 611                 rx_firmware_statistics->pkts512 =
 612                     in_be32(&p_rx_fw_statistics_pram->pkts512);
 613                 rx_firmware_statistics->pkts1024 =
 614                     in_be32(&p_rx_fw_statistics_pram->pkts1024);
 615                 rx_firmware_statistics->pktsjumbo =
 616                     in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
 617                 rx_firmware_statistics->frlossinmacer =
 618                     in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
 619                 rx_firmware_statistics->pausefr =
 620                     in_be32(&p_rx_fw_statistics_pram->pausefr);
 621                 for (i = 0; i < 0x4; i++)
 622                         rx_firmware_statistics->res1[i] =
 623                             p_rx_fw_statistics_pram->res1[i];
 624                 rx_firmware_statistics->removevlan =
 625                     in_be32(&p_rx_fw_statistics_pram->removevlan);
 626                 rx_firmware_statistics->replacevlan =
 627                     in_be32(&p_rx_fw_statistics_pram->replacevlan);
 628                 rx_firmware_statistics->insertvlan =
 629                     in_be32(&p_rx_fw_statistics_pram->insertvlan);
 630         }
 631
 632         /* Hardware only if user handed pointer and driver actually
 633         gathers hardware statistics */
 634         if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) {
 635                 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
 636                 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
 637                 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
 638                 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
 639                 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
 640                 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
 641                 hardware_statistics->txok = in_be32(&ug_regs->txok);
 642                 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
 643                 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
 644                 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
 645                 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
 646                 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
 647                 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
 648                 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
 649                 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
 650         }
 651 }
 652
 653 static void dump_bds(struct ucc_geth_private *ugeth)
 654 {
 655         int i;
 656         int length;
 657
 658         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
 659                 if (ugeth->p_tx_bd_ring[i]) {
 660                         length =
 661                             (ugeth->ug_info->bdRingLenTx[i] *
 662                              sizeof(struct qe_bd));
 663                         ugeth_info("TX BDs[%d]", i);
 664                         mem_disp(ugeth->p_tx_bd_ring[i], length);
 665                 }
 666         }
 667         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 668                 if (ugeth->p_rx_bd_ring[i]) {
 669                         length =
 670                             (ugeth->ug_info->bdRingLenRx[i] *
 671                              sizeof(struct qe_bd));
 672                         ugeth_info("RX BDs[%d]", i);
 673                         mem_disp(ugeth->p_rx_bd_ring[i], length);
 674                 }
 675         }
 676 }
 677
 678 static void dump_regs(struct ucc_geth_private *ugeth)
 679 {
 680         int i;
 681
 682         ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
 683         ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
 684
 685         ugeth_info("maccfg1    : addr - 0x%08x, val - 0x%08x",
 686                    (u32) & ugeth->ug_regs->maccfg1,
 687                    in_be32(&ugeth->ug_regs->maccfg1));
 688         ugeth_info("maccfg2    : addr - 0x%08x, val - 0x%08x",
 689                    (u32) & ugeth->ug_regs->maccfg2,
 690                    in_be32(&ugeth->ug_regs->maccfg2));
 691         ugeth_info("ipgifg     : addr - 0x%08x, val - 0x%08x",
 692                    (u32) & ugeth->ug_regs->ipgifg,
 693                    in_be32(&ugeth->ug_regs->ipgifg));
 694         ugeth_info("hafdup     : addr - 0x%08x, val - 0x%08x",
 695                    (u32) & ugeth->ug_regs->hafdup,
 696                    in_be32(&ugeth->ug_regs->hafdup));
 697         ugeth_info("ifctl      : addr - 0x%08x, val - 0x%08x",
 698                    (u32) & ugeth->ug_regs->ifctl,
 699                    in_be32(&ugeth->ug_regs->ifctl));
 700         ugeth_info("ifstat     : addr - 0x%08x, val - 0x%08x",
 701                    (u32) & ugeth->ug_regs->ifstat,
 702                    in_be32(&ugeth->ug_regs->ifstat));
 703         ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
 704                    (u32) & ugeth->ug_regs->macstnaddr1,
 705                    in_be32(&ugeth->ug_regs->macstnaddr1));
 706         ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
 707                    (u32) & ugeth->ug_regs->macstnaddr2,
 708                    in_be32(&ugeth->ug_regs->macstnaddr2));
 709         ugeth_info("uempr      : addr - 0x%08x, val - 0x%08x",
 710                    (u32) & ugeth->ug_regs->uempr,
 711                    in_be32(&ugeth->ug_regs->uempr));
 712         ugeth_info("utbipar    : addr - 0x%08x, val - 0x%08x",
 713                    (u32) & ugeth->ug_regs->utbipar,
 714                    in_be32(&ugeth->ug_regs->utbipar));
 715         ugeth_info("uescr      : addr - 0x%08x, val - 0x%04x",
 716                    (u32) & ugeth->ug_regs->uescr,
 717                    in_be16(&ugeth->ug_regs->uescr));
 718         ugeth_info("tx64       : addr - 0x%08x, val - 0x%08x",
 719                    (u32) & ugeth->ug_regs->tx64,
 720                    in_be32(&ugeth->ug_regs->tx64));
 721         ugeth_info("tx127      : addr - 0x%08x, val - 0x%08x",
 722                    (u32) & ugeth->ug_regs->tx127,
 723                    in_be32(&ugeth->ug_regs->tx127));
 724         ugeth_info("tx255      : addr - 0x%08x, val - 0x%08x",
 725                    (u32) & ugeth->ug_regs->tx255,
 726                    in_be32(&ugeth->ug_regs->tx255));
 727         ugeth_info("rx64       : addr - 0x%08x, val - 0x%08x",
 728                    (u32) & ugeth->ug_regs->rx64,
 729                    in_be32(&ugeth->ug_regs->rx64));
 730         ugeth_info("rx127      : addr - 0x%08x, val - 0x%08x",
 731                    (u32) & ugeth->ug_regs->rx127,
 732                    in_be32(&ugeth->ug_regs->rx127));
 733         ugeth_info("rx255      : addr - 0x%08x, val - 0x%08x",
 734                    (u32) & ugeth->ug_regs->rx255,
 735                    in_be32(&ugeth->ug_regs->rx255));
 736         ugeth_info("txok       : addr - 0x%08x, val - 0x%08x",
 737                    (u32) & ugeth->ug_regs->txok,
 738                    in_be32(&ugeth->ug_regs->txok));
 739         ugeth_info("txcf       : addr - 0x%08x, val - 0x%04x",
 740                    (u32) & ugeth->ug_regs->txcf,
 741                    in_be16(&ugeth->ug_regs->txcf));
 742         ugeth_info("tmca       : addr - 0x%08x, val - 0x%08x",
 743                    (u32) & ugeth->ug_regs->tmca,
 744                    in_be32(&ugeth->ug_regs->tmca));
 745         ugeth_info("tbca       : addr - 0x%08x, val - 0x%08x",
 746                    (u32) & ugeth->ug_regs->tbca,
 747                    in_be32(&ugeth->ug_regs->tbca));
 748         ugeth_info("rxfok      : addr - 0x%08x, val - 0x%08x",
 749                    (u32) & ugeth->ug_regs->rxfok,
 750                    in_be32(&ugeth->ug_regs->rxfok));
 751         ugeth_info("rxbok      : addr - 0x%08x, val - 0x%08x",
 752                    (u32) & ugeth->ug_regs->rxbok,
 753                    in_be32(&ugeth->ug_regs->rxbok));
 754         ugeth_info("rbyt       : addr - 0x%08x, val - 0x%08x",
 755                    (u32) & ugeth->ug_regs->rbyt,
 756                    in_be32(&ugeth->ug_regs->rbyt));
 757         ugeth_info("rmca       : addr - 0x%08x, val - 0x%08x",
 758                    (u32) & ugeth->ug_regs->rmca,
 759                    in_be32(&ugeth->ug_regs->rmca));
 760         ugeth_info("rbca       : addr - 0x%08x, val - 0x%08x",
 761                    (u32) & ugeth->ug_regs->rbca,
 762                    in_be32(&ugeth->ug_regs->rbca));
 763         ugeth_info("scar       : addr - 0x%08x, val - 0x%08x",
 764                    (u32) & ugeth->ug_regs->scar,
 765                    in_be32(&ugeth->ug_regs->scar));
 766         ugeth_info("scam       : addr - 0x%08x, val - 0x%08x",
 767                    (u32) & ugeth->ug_regs->scam,
 768                    in_be32(&ugeth->ug_regs->scam));
 769
 770         if (ugeth->p_thread_data_tx) {
 771                 int numThreadsTxNumerical;
 772                 switch (ugeth->ug_info->numThreadsTx) {
 773                 case UCC_GETH_NUM_OF_THREADS_1:
 774                         numThreadsTxNumerical = 1;
 775                         break;
 776                 case UCC_GETH_NUM_OF_THREADS_2:
 777                         numThreadsTxNumerical = 2;
 778                         break;
 779                 case UCC_GETH_NUM_OF_THREADS_4:
 780                         numThreadsTxNumerical = 4;
 781                         break;
 782                 case UCC_GETH_NUM_OF_THREADS_6:
 783                         numThreadsTxNumerical = 6;
 784                         break;
 785                 case UCC_GETH_NUM_OF_THREADS_8:
 786                         numThreadsTxNumerical = 8;
 787                         break;
 788                 default:
 789                         numThreadsTxNumerical = 0;
 790                         break;
 791                 }
 792
 793                 ugeth_info("Thread data TXs:");
 794                 ugeth_info("Base address: 0x%08x",
 795                            (u32) ugeth->p_thread_data_tx);
 796                 for (i = 0; i < numThreadsTxNumerical; i++) {
 797                         ugeth_info("Thread data TX[%d]:", i);
 798                         ugeth_info("Base address: 0x%08x",
 799                                    (u32) & ugeth->p_thread_data_tx[i]);
 800                         mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
 801                                  sizeof(struct ucc_geth_thread_data_tx));
 802                 }
 803         }
 804         if (ugeth->p_thread_data_rx) {
 805                 int numThreadsRxNumerical;
 806                 switch (ugeth->ug_info->numThreadsRx) {
 807                 case UCC_GETH_NUM_OF_THREADS_1:
 808                         numThreadsRxNumerical = 1;
 809                         break;
 810                 case UCC_GETH_NUM_OF_THREADS_2:
 811                         numThreadsRxNumerical = 2;
 812                         break;
 813                 case UCC_GETH_NUM_OF_THREADS_4:
 814                         numThreadsRxNumerical = 4;
 815                         break;
 816                 case UCC_GETH_NUM_OF_THREADS_6:
 817                         numThreadsRxNumerical = 6;
 818                         break;
 819                 case UCC_GETH_NUM_OF_THREADS_8:
 820                         numThreadsRxNumerical = 8;
 821                         break;
 822                 default:
 823                         numThreadsRxNumerical = 0;
 824                         break;
 825                 }
 826
 827                 ugeth_info("Thread data RX:");
 828                 ugeth_info("Base address: 0x%08x",
 829                            (u32) ugeth->p_thread_data_rx);
 830                 for (i = 0; i < numThreadsRxNumerical; i++) {
 831                         ugeth_info("Thread data RX[%d]:", i);
 832                         ugeth_info("Base address: 0x%08x",
 833                                    (u32) & ugeth->p_thread_data_rx[i]);
 834                         mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
 835                                  sizeof(struct ucc_geth_thread_data_rx));
 836                 }
 837         }
 838         if (ugeth->p_exf_glbl_param) {
 839                 ugeth_info("EXF global param:");
 840                 ugeth_info("Base address: 0x%08x",
 841                            (u32) ugeth->p_exf_glbl_param);
 842                 mem_disp((u8 *) ugeth->p_exf_glbl_param,
 843                          sizeof(*ugeth->p_exf_glbl_param));
 844         }
 845         if (ugeth->p_tx_glbl_pram) {
 846                 ugeth_info("TX global param:");
 847                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
 848                 ugeth_info("temoder      : addr - 0x%08x, val - 0x%04x",
 849                            (u32) & ugeth->p_tx_glbl_pram->temoder,
 850                            in_be16(&ugeth->p_tx_glbl_pram->temoder));
 851                 ugeth_info("sqptr        : addr - 0x%08x, val - 0x%08x",
 852                            (u32) & ugeth->p_tx_glbl_pram->sqptr,
 853                            in_be32(&ugeth->p_tx_glbl_pram->sqptr));
 854                 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
 855                            (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
 856                            in_be32(&ugeth->p_tx_glbl_pram->
 857                                    schedulerbasepointer));
 858                 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
 859                            (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
 860                            in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
 861                 ugeth_info("tstate       : addr - 0x%08x, val - 0x%08x",
 862                            (u32) & ugeth->p_tx_glbl_pram->tstate,
 863                            in_be32(&ugeth->p_tx_glbl_pram->tstate));
 864                 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
 865                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
 866                            ugeth->p_tx_glbl_pram->iphoffset[0]);
 867                 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
 868                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
 869                            ugeth->p_tx_glbl_pram->iphoffset[1]);
 870                 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
 871                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
 872                            ugeth->p_tx_glbl_pram->iphoffset[2]);
 873                 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
 874                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
 875                            ugeth->p_tx_glbl_pram->iphoffset[3]);
 876                 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
 877                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
 878                            ugeth->p_tx_glbl_pram->iphoffset[4]);
 879                 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
 880                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
 881                            ugeth->p_tx_glbl_pram->iphoffset[5]);
 882                 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
 883                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
 884                            ugeth->p_tx_glbl_pram->iphoffset[6]);
 885                 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
 886                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
 887                            ugeth->p_tx_glbl_pram->iphoffset[7]);
 888                 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
 889                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
 890                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
 891                 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
 892                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
 893                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
 894                 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
 895                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
 896                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
 897                 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
 898                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
 899                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
 900                 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
 901                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
 902                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
 903                 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
 904                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
 905                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
 906                 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
 907                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
 908                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
 909                 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
 910                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
 911                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
 912                 ugeth_info("tqptr        : addr - 0x%08x, val - 0x%08x",
 913                            (u32) & ugeth->p_tx_glbl_pram->tqptr,
 914                            in_be32(&ugeth->p_tx_glbl_pram->tqptr));
 915         }
 916         if (ugeth->p_rx_glbl_pram) {
 917                 ugeth_info("RX global param:");
 918                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
 919                 ugeth_info("remoder         : addr - 0x%08x, val - 0x%08x",
 920                            (u32) & ugeth->p_rx_glbl_pram->remoder,
 921                            in_be32(&ugeth->p_rx_glbl_pram->remoder));
 922                 ugeth_info("rqptr           : addr - 0x%08x, val - 0x%08x",
 923                            (u32) & ugeth->p_rx_glbl_pram->rqptr,
 924                            in_be32(&ugeth->p_rx_glbl_pram->rqptr));
 925                 ugeth_info("typeorlen       : addr - 0x%08x, val - 0x%04x",
 926                            (u32) & ugeth->p_rx_glbl_pram->typeorlen,
 927                            in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
 928                 ugeth_info("rxgstpack       : addr - 0x%08x, val - 0x%02x",
 929                            (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
 930                            ugeth->p_rx_glbl_pram->rxgstpack);
 931                 ugeth_info("rxrmonbaseptr   : addr - 0x%08x, val - 0x%08x",
 932                            (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
 933                            in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
 934                 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
 935                            (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
 936                            in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
 937                 ugeth_info("rstate          : addr - 0x%08x, val - 0x%02x",
 938                            (u32) & ugeth->p_rx_glbl_pram->rstate,
 939                            ugeth->p_rx_glbl_pram->rstate);
 940                 ugeth_info("mrblr           : addr - 0x%08x, val - 0x%04x",
 941                            (u32) & ugeth->p_rx_glbl_pram->mrblr,
 942                            in_be16(&ugeth->p_rx_glbl_pram->mrblr));
 943                 ugeth_info("rbdqptr         : addr - 0x%08x, val - 0x%08x",
 944                            (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
 945                            in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
 946                 ugeth_info("mflr            : addr - 0x%08x, val - 0x%04x",
 947                            (u32) & ugeth->p_rx_glbl_pram->mflr,
 948                            in_be16(&ugeth->p_rx_glbl_pram->mflr));
 949                 ugeth_info("minflr          : addr - 0x%08x, val - 0x%04x",
 950                            (u32) & ugeth->p_rx_glbl_pram->minflr,
 951                            in_be16(&ugeth->p_rx_glbl_pram->minflr));
 952                 ugeth_info("maxd1           : addr - 0x%08x, val - 0x%04x",
 953                            (u32) & ugeth->p_rx_glbl_pram->maxd1,
 954                            in_be16(&ugeth->p_rx_glbl_pram->maxd1));
 955                 ugeth_info("maxd2           : addr - 0x%08x, val - 0x%04x",
 956                            (u32) & ugeth->p_rx_glbl_pram->maxd2,
 957                            in_be16(&ugeth->p_rx_glbl_pram->maxd2));
 958                 ugeth_info("ecamptr         : addr - 0x%08x, val - 0x%08x",
 959                            (u32) & ugeth->p_rx_glbl_pram->ecamptr,
 960                            in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
 961                 ugeth_info("l2qt            : addr - 0x%08x, val - 0x%08x",
 962                            (u32) & ugeth->p_rx_glbl_pram->l2qt,
 963                            in_be32(&ugeth->p_rx_glbl_pram->l2qt));
 964                 ugeth_info("l3qt[0]         : addr - 0x%08x, val - 0x%08x",
 965                            (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
 966                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
 967                 ugeth_info("l3qt[1]         : addr - 0x%08x, val - 0x%08x",
 968                            (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
 969                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
 970                 ugeth_info("l3qt[2]         : addr - 0x%08x, val - 0x%08x",
 971                            (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
 972                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
 973                 ugeth_info("l3qt[3]         : addr - 0x%08x, val - 0x%08x",
 974                            (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
 975                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
 976                 ugeth_info("l3qt[4]         : addr - 0x%08x, val - 0x%08x",
 977                            (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
 978                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
 979                 ugeth_info("l3qt[5]         : addr - 0x%08x, val - 0x%08x",
 980                            (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
 981                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
 982                 ugeth_info("l3qt[6]         : addr - 0x%08x, val - 0x%08x",
 983                            (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
 984                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
 985                 ugeth_info("l3qt[7]         : addr - 0x%08x, val - 0x%08x",
 986                            (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
 987                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
 988                 ugeth_info("vlantype        : addr - 0x%08x, val - 0x%04x",
 989                            (u32) & ugeth->p_rx_glbl_pram->vlantype,
 990                            in_be16(&ugeth->p_rx_glbl_pram->vlantype));
 991                 ugeth_info("vlantci         : addr - 0x%08x, val - 0x%04x",
 992                            (u32) & ugeth->p_rx_glbl_pram->vlantci,
 993                            in_be16(&ugeth->p_rx_glbl_pram->vlantci));
 994                 for (i = 0; i < 64; i++)
 995                         ugeth_info
 996                     ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
 997                              i,
 998                              (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
 999                              ugeth->p_rx_glbl_pram->addressfiltering[i]);
1000                 ugeth_info("exfGlobalParam  : addr - 0x%08x, val - 0x%08x",
1001                            (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
1002                            in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
1003         }
1004         if (ugeth->p_send_q_mem_reg) {
1005                 ugeth_info("Send Q memory registers:");
1006                 ugeth_info("Base address: 0x%08x",
1007                            (u32) ugeth->p_send_q_mem_reg);
1008                 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1009                         ugeth_info("SQQD[%d]:", i);
1010                         ugeth_info("Base address: 0x%08x",
1011                                    (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
1012                         mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
1013                                  sizeof(struct ucc_geth_send_queue_qd));
1014                 }
1015         }
1016         if (ugeth->p_scheduler) {
1017                 ugeth_info("Scheduler:");
1018                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
1019                 mem_disp((u8 *) ugeth->p_scheduler,
1020                          sizeof(*ugeth->p_scheduler));
1021         }
1022         if (ugeth->p_tx_fw_statistics_pram) {
1023                 ugeth_info("TX FW statistics pram:");
1024                 ugeth_info("Base address: 0x%08x",
1025                            (u32) ugeth->p_tx_fw_statistics_pram);
1026                 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
1027                          sizeof(*ugeth->p_tx_fw_statistics_pram));
1028         }
1029         if (ugeth->p_rx_fw_statistics_pram) {
1030                 ugeth_info("RX FW statistics pram:");
1031                 ugeth_info("Base address: 0x%08x",
1032                            (u32) ugeth->p_rx_fw_statistics_pram);
1033                 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
1034                          sizeof(*ugeth->p_rx_fw_statistics_pram));
1035         }
1036         if (ugeth->p_rx_irq_coalescing_tbl) {
1037                 ugeth_info("RX IRQ coalescing tables:");
1038                 ugeth_info("Base address: 0x%08x",
1039                            (u32) ugeth->p_rx_irq_coalescing_tbl);
1040                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1041                         ugeth_info("RX IRQ coalescing table entry[%d]:", i);
1042                         ugeth_info("Base address: 0x%08x",
1043                                    (u32) & ugeth->p_rx_irq_coalescing_tbl->
1044                                    coalescingentry[i]);
1045                         ugeth_info
1046                 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
1047                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1048                              coalescingentry[i].interruptcoalescingmaxvalue,
1049                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1050                                      coalescingentry[i].
1051                                      interruptcoalescingmaxvalue));
1052                         ugeth_info
1053                 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
1054                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1055                              coalescingentry[i].interruptcoalescingcounter,
1056                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1057                                      coalescingentry[i].
1058                                      interruptcoalescingcounter));
1059                 }
1060         }
1061         if (ugeth->p_rx_bd_qs_tbl) {
1062                 ugeth_info("RX BD QS tables:");
1063                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1064                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1065                         ugeth_info("RX BD QS table[%d]:", i);
1066                         ugeth_info("Base address: 0x%08x",
1067                                    (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1068                         ugeth_info
1069                             ("bdbaseptr        : addr - 0x%08x, val - 0x%08x",
1070                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1071                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1072                         ugeth_info
1073                             ("bdptr            : addr - 0x%08x, val - 0x%08x",
1074                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1075                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1076                         ugeth_info
1077                             ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1078                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1079                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1080                                      externalbdbaseptr));
1081                         ugeth_info
1082                             ("externalbdptr    : addr - 0x%08x, val - 0x%08x",
1083                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1084                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1085                         ugeth_info("ucode RX Prefetched BDs:");
1086                         ugeth_info("Base address: 0x%08x",
1087                                    (u32)
1088                                    qe_muram_addr(in_be32
1089                                                  (&ugeth->p_rx_bd_qs_tbl[i].
1090                                                   bdbaseptr)));
1091                         mem_disp((u8 *)
1092                                  qe_muram_addr(in_be32
1093                                                (&ugeth->p_rx_bd_qs_tbl[i].
1094                                                 bdbaseptr)),
1095                                  sizeof(struct ucc_geth_rx_prefetched_bds));
1096                 }
1097         }
1098         if (ugeth->p_init_enet_param_shadow) {
1099                 int size;
1100                 ugeth_info("Init enet param shadow:");
1101                 ugeth_info("Base address: 0x%08x",
1102                            (u32) ugeth->p_init_enet_param_shadow);
1103                 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1104                          sizeof(*ugeth->p_init_enet_param_shadow));
1105
1106                 size = sizeof(struct ucc_geth_thread_rx_pram);
1107                 if (ugeth->ug_info->rxExtendedFiltering) {
1108                         size +=
1109                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1110                         if (ugeth->ug_info->largestexternallookupkeysize ==
1111                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1112                                 size +=
1113                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1114                         if (ugeth->ug_info->largestexternallookupkeysize ==
1115                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1116                                 size +=
1117                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1118                 }
1119
1120                 dump_init_enet_entries(ugeth,
1121                                        &(ugeth->p_init_enet_param_shadow->
1122                                          txthread[0]),
1123                                        ENET_INIT_PARAM_MAX_ENTRIES_TX,
1124                                        sizeof(struct ucc_geth_thread_tx_pram),
1125                                        ugeth->ug_info->riscTx, 0);
1126                 dump_init_enet_entries(ugeth,
1127                                        &(ugeth->p_init_enet_param_shadow->
1128                                          rxthread[0]),
1129                                        ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1130                                        ugeth->ug_info->riscRx, 1);
1131         }
1132 }
1133 #endif /* DEBUG */
1134
1135 static void init_default_reg_vals(volatile u32 *upsmr_register,
1136                                   volatile u32 *maccfg1_register,
1137                                   volatile u32 *maccfg2_register)
1138 {
1139         out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1140         out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1141         out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1142 }
1143
1144 static int init_half_duplex_params(int alt_beb,
1145                                    int back_pressure_no_backoff,
1146                                    int no_backoff,
1147                                    int excess_defer,
1148                                    u8 alt_beb_truncation,
1149                                    u8 max_retransmissions,
1150                                    u8 collision_window,
1151                                    volatile u32 *hafdup_register)
1152 {
1153         u32 value = 0;
1154
1155         if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1156             (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1157             (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1158                 return -EINVAL;
1159
1160         value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1161
1162         if (alt_beb)
1163                 value |= HALFDUP_ALT_BEB;
1164         if (back_pressure_no_backoff)
1165                 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1166         if (no_backoff)
1167                 value |= HALFDUP_NO_BACKOFF;
1168         if (excess_defer)
1169                 value |= HALFDUP_EXCESSIVE_DEFER;
1170
1171         value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1172
1173         value |= collision_window;
1174
1175         out_be32(hafdup_register, value);
1176         return 0;
1177 }
1178
1179 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1180                                        u8 non_btb_ipg,
1181                                        u8 min_ifg,
1182                                        u8 btb_ipg,
1183                                        volatile u32 *ipgifg_register)
1184 {
1185         u32 value = 0;
1186
1187         /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1188         IPG part 2 */
1189         if (non_btb_cs_ipg > non_btb_ipg)
1190                 return -EINVAL;
1191
1192         if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1193             (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1194             /*(min_ifg        > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1195             (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1196                 return -EINVAL;
1197
1198         value |=
1199             ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1200              IPGIFG_NBTB_CS_IPG_MASK);
1201         value |=
1202             ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1203              IPGIFG_NBTB_IPG_MASK);
1204         value |=
1205             ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1206              IPGIFG_MIN_IFG_MASK);
1207         value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1208
1209         out_be32(ipgifg_register, value);
1210         return 0;
1211 }
1212
1213 int init_flow_control_params(u32 automatic_flow_control_mode,
1214                                     int rx_flow_control_enable,
1215                                     int tx_flow_control_enable,
1216                                     u16 pause_period,
1217                                     u16 extension_field,
1218                                     volatile u32 *upsmr_register,
1219                                     volatile u32 *uempr_register,
1220                                     volatile u32 *maccfg1_register)
1221 {
1222         u32 value = 0;
1223
1224         /* Set UEMPR register */
1225         value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1226         value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1227         out_be32(uempr_register, value);
1228
1229         /* Set UPSMR register */
1230         value = in_be32(upsmr_register);
1231         value |= automatic_flow_control_mode;
1232         out_be32(upsmr_register, value);
1233
1234         value = in_be32(maccfg1_register);
1235         if (rx_flow_control_enable)
1236                 value |= MACCFG1_FLOW_RX;
1237         if (tx_flow_control_enable)
1238                 value |= MACCFG1_FLOW_TX;
1239         out_be32(maccfg1_register, value);
1240
1241         return 0;
1242 }
1243
1244 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1245                                              int auto_zero_hardware_statistics,
1246                                              volatile u32 *upsmr_register,
1247                                              volatile u16 *uescr_register)
1248 {
1249         u32 upsmr_value = 0;
1250         u16 uescr_value = 0;
1251         /* Enable hardware statistics gathering if requested */
1252         if (enable_hardware_statistics) {
1253                 upsmr_value = in_be32(upsmr_register);
1254                 upsmr_value |= UPSMR_HSE;
1255                 out_be32(upsmr_register, upsmr_value);
1256         }
1257
1258         /* Clear hardware statistics counters */
1259         uescr_value = in_be16(uescr_register);
1260         uescr_value |= UESCR_CLRCNT;
1261         /* Automatically zero hardware statistics counters on read,
1262         if requested */
1263         if (auto_zero_hardware_statistics)
1264                 uescr_value |= UESCR_AUTOZ;
1265         out_be16(uescr_register, uescr_value);
1266
1267         return 0;
1268 }
1269
1270 static int init_firmware_statistics_gathering_mode(int
1271                 enable_tx_firmware_statistics,
1272                 int enable_rx_firmware_statistics,
1273                 volatile u32 *tx_rmon_base_ptr,
1274                 u32 tx_firmware_statistics_structure_address,
1275                 volatile u32 *rx_rmon_base_ptr,
1276                 u32 rx_firmware_statistics_structure_address,
1277                 volatile u16 *temoder_register,
1278                 volatile u32 *remoder_register)
1279 {
1280         /* Note: this function does not check if */
1281         /* the parameters it receives are NULL   */
1282         u16 temoder_value;
1283         u32 remoder_value;
1284
1285         if (enable_tx_firmware_statistics) {
1286                 out_be32(tx_rmon_base_ptr,
1287                          tx_firmware_statistics_structure_address);
1288                 temoder_value = in_be16(temoder_register);
1289                 temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE;
1290                 out_be16(temoder_register, temoder_value);
1291         }
1292
1293         if (enable_rx_firmware_statistics) {
1294                 out_be32(rx_rmon_base_ptr,
1295                          rx_firmware_statistics_structure_address);
1296                 remoder_value = in_be32(remoder_register);
1297                 remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE;
1298                 out_be32(remoder_register, remoder_value);
1299         }
1300
1301         return 0;
1302 }
1303
1304 static int init_mac_station_addr_regs(u8 address_byte_0,
1305                                       u8 address_byte_1,
1306                                       u8 address_byte_2,
1307                                       u8 address_byte_3,
1308                                       u8 address_byte_4,
1309                                       u8 address_byte_5,
1310                                       volatile u32 *macstnaddr1_register,
1311                                       volatile u32 *macstnaddr2_register)
1312 {
1313         u32 value = 0;
1314
1315         /* Example: for a station address of 0x12345678ABCD, */
1316         /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1317
1318         /* MACSTNADDR1 Register: */
1319
1320         /* 0                      7   8                      15  */
1321         /* station address byte 5     station address byte 4     */
1322         /* 16                     23  24                     31  */
1323         /* station address byte 3     station address byte 2     */
1324         value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1325         value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1326         value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1327         value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1328
1329         out_be32(macstnaddr1_register, value);
1330
1331         /* MACSTNADDR2 Register: */
1332
1333         /* 0                      7   8                      15  */
1334         /* station address byte 1     station address byte 0     */
1335         /* 16                     23  24                     31  */
1336         /*         reserved                   reserved           */
1337         value = 0;
1338         value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1339         value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1340
1341         out_be32(macstnaddr2_register, value);
1342
1343         return 0;
1344 }
1345
1346 static int init_check_frame_length_mode(int length_check,
1347                                         volatile u32 *maccfg2_register)
1348 {
1349         u32 value = 0;
1350
1351         value = in_be32(maccfg2_register);
1352
1353         if (length_check)
1354                 value |= MACCFG2_LC;
1355         else
1356                 value &= ~MACCFG2_LC;
1357
1358         out_be32(maccfg2_register, value);
1359         return 0;
1360 }
1361
1362 static int init_preamble_length(u8 preamble_length,
1363                                 volatile u32 *maccfg2_register)
1364 {
1365         u32 value = 0;
1366
1367         if ((preamble_length < 3) || (preamble_length > 7))
1368                 return -EINVAL;
1369
1370         value = in_be32(maccfg2_register);
1371         value &= ~MACCFG2_PREL_MASK;
1372         value |= (preamble_length << MACCFG2_PREL_SHIFT);
1373         out_be32(maccfg2_register, value);
1374         return 0;
1375 }
1376
1377 static int init_rx_parameters(int reject_broadcast,
1378                               int receive_short_frames,
1379                               int promiscuous, volatile u32 *upsmr_register)
1380 {
1381         u32 value = 0;
1382
1383         value = in_be32(upsmr_register);
1384
1385         if (reject_broadcast)
1386                 value |= UPSMR_BRO;
1387         else
1388                 value &= ~UPSMR_BRO;
1389
1390         if (receive_short_frames)
1391                 value |= UPSMR_RSH;
1392         else
1393                 value &= ~UPSMR_RSH;
1394
1395         if (promiscuous)
1396                 value |= UPSMR_PRO;
1397         else
1398                 value &= ~UPSMR_PRO;
1399
1400         out_be32(upsmr_register, value);
1401
1402         return 0;
1403 }
1404
1405 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1406                                 volatile u16 *mrblr_register)
1407 {
1408         /* max_rx_buf_len value must be a multiple of 128 */
1409         if ((max_rx_buf_len == 0)
1410             || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1411                 return -EINVAL;
1412
1413         out_be16(mrblr_register, max_rx_buf_len);
1414         return 0;
1415 }
1416
1417 static int init_min_frame_len(u16 min_frame_length,
1418                               volatile u16 *minflr_register,
1419                               volatile u16 *mrblr_register)
1420 {
1421         u16 mrblr_value = 0;
1422
1423         mrblr_value = in_be16(mrblr_register);
1424         if (min_frame_length >= (mrblr_value - 4))
1425                 return -EINVAL;
1426
1427         out_be16(minflr_register, min_frame_length);
1428         return 0;
1429 }
1430
1431 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1432 {
1433         struct ucc_geth_info *ug_info;
1434         struct ucc_geth *ug_regs;
1435         struct ucc_fast *uf_regs;
1436         int ret_val;
1437         u32 upsmr, maccfg2, tbiBaseAddress;
1438         u16 value;
1439
1440         ugeth_vdbg("%s: IN", __FUNCTION__);
1441
1442         ug_info = ugeth->ug_info;
1443         ug_regs = ugeth->ug_regs;
1444         uf_regs = ugeth->uccf->uf_regs;
1445
1446         /*                    Set MACCFG2                    */
1447         maccfg2 = in_be32(&ug_regs->maccfg2);
1448         maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1449         if ((ugeth->max_speed == SPEED_10) ||
1450             (ugeth->max_speed == SPEED_100))
1451                 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1452         else if (ugeth->max_speed == SPEED_1000)
1453                 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1454         maccfg2 |= ug_info->padAndCrc;
1455         out_be32(&ug_regs->maccfg2, maccfg2);
1456
1457         /*                    Set UPSMR                      */
1458         upsmr = in_be32(&uf_regs->upsmr);
1459         upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM);
1460         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1461             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1462             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1463             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1464             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1465             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1466                 upsmr |= UPSMR_RPM;
1467                 switch (ugeth->max_speed) {
1468                 case SPEED_10:
1469                         upsmr |= UPSMR_R10M;
1470                         /* FALLTHROUGH */
1471                 case SPEED_100:
1472                         if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1473                                 upsmr |= UPSMR_RMM;
1474                 }
1475         }
1476         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1477             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1478                 upsmr |= UPSMR_TBIM;
1479         }
1480         out_be32(&uf_regs->upsmr, upsmr);
1481
1482         /* Disable autonegotiation in tbi mode, because by default it
1483         comes up in autonegotiation mode. */
1484         /* Note that this depends on proper setting in utbipar register. */
1485         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1486             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1487                 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1488                 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1489                 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1490                 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1491                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
1492                 value &= ~0x1000;       /* Turn off autonegotiation */
1493                 ugeth->phydev->bus->write(ugeth->phydev->bus,
1494                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1495         }
1496
1497         init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1498
1499         ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1500         if (ret_val != 0) {
1501                 if (netif_msg_probe(ugeth))
1502                         ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1503                              __FUNCTION__);
1504                 return ret_val;
1505         }
1506
1507         return 0;
1508 }
1509
1510 /* Called every time the controller might need to be made
1511  * aware of new link state.  The PHY code conveys this
1512  * information through variables in the ugeth structure, and this
1513  * function converts those variables into the appropriate
1514  * register values, and can bring down the device if needed.
1515  */
1516
1517 static void adjust_link(struct net_device *dev)
1518 {
1519         struct ucc_geth_private *ugeth = netdev_priv(dev);
1520         struct ucc_geth *ug_regs;
1521         struct ucc_fast *uf_regs;
1522         struct phy_device *phydev = ugeth->phydev;
1523         unsigned long flags;
1524         int new_state = 0;
1525
1526         ug_regs = ugeth->ug_regs;
1527         uf_regs = ugeth->uccf->uf_regs;
1528
1529         spin_lock_irqsave(&ugeth->lock, flags);
1530
1531         if (phydev->link) {
1532                 u32 tempval = in_be32(&ug_regs->maccfg2);
1533                 u32 upsmr = in_be32(&uf_regs->upsmr);
1534                 /* Now we make sure that we can be in full duplex mode.
1535                  * If not, we operate in half-duplex mode. */
1536                 if (phydev->duplex != ugeth->oldduplex) {
1537                         new_state = 1;
1538                         if (!(phydev->duplex))
1539                                 tempval &= ~(MACCFG2_FDX);
1540                         else
1541                                 tempval |= MACCFG2_FDX;
1542                         ugeth->oldduplex = phydev->duplex;
1543                 }
1544
1545                 if (phydev->speed != ugeth->oldspeed) {
1546                         new_state = 1;
1547                         switch (phydev->speed) {
1548                         case SPEED_1000:
1549                                 tempval = ((tempval &
1550                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1551                                             MACCFG2_INTERFACE_MODE_BYTE);
1552                                 break;
1553                         case SPEED_100:
1554                         case SPEED_10:
1555                                 tempval = ((tempval &
1556                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1557                                             MACCFG2_INTERFACE_MODE_NIBBLE);
1558                                 /* if reduced mode, re-set UPSMR.R10M */
1559                                 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1560                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1561                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1562                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1563                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1564                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1565                                         if (phydev->speed == SPEED_10)
1566                                                 upsmr |= UPSMR_R10M;
1567                                         else
1568                                                 upsmr &= ~(UPSMR_R10M);
1569                                 }
1570                                 break;
1571                         default:
1572                                 if (netif_msg_link(ugeth))
1573                                         ugeth_warn(
1574                                                 "%s: Ack!  Speed (%d) is not 10/100/1000!",
1575                                                 dev->name, phydev->speed);
1576                                 break;
1577                         }
1578                         ugeth->oldspeed = phydev->speed;
1579                 }
1580
1581                 out_be32(&ug_regs->maccfg2, tempval);
1582                 out_be32(&uf_regs->upsmr, upsmr);
1583
1584                 if (!ugeth->oldlink) {
1585                         new_state = 1;
1586                         ugeth->oldlink = 1;
1587                         netif_schedule(dev);
1588                 }
1589         } else if (ugeth->oldlink) {
1590                         new_state = 1;
1591                         ugeth->oldlink = 0;
1592                         ugeth->oldspeed = 0;
1593                         ugeth->oldduplex = -1;
1594         }
1595
1596         if (new_state && netif_msg_link(ugeth))
1597                 phy_print_status(phydev);
1598
1599         spin_unlock_irqrestore(&ugeth->lock, flags);
1600 }
1601
1602 /* Configure the PHY for dev.
1603  * returns 0 if success.  -1 if failure
1604  */
1605 static int init_phy(struct net_device *dev)
1606 {
1607         struct ucc_geth_private *priv = netdev_priv(dev);
1608         struct phy_device *phydev;
1609         char phy_id[BUS_ID_SIZE];
1610
1611         priv->oldlink = 0;
1612         priv->oldspeed = 0;
1613         priv->oldduplex = -1;
1614
1615         snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->ug_info->mdio_bus,
1616                         priv->ug_info->phy_address);
1617
1618         phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1619
1620         if (IS_ERR(phydev)) {
1621                 printk("%s: Could not attach to PHY\n", dev->name);
1622                 return PTR_ERR(phydev);
1623         }
1624
1625         phydev->supported &= (ADVERTISED_10baseT_Half |
1626                                  ADVERTISED_10baseT_Full |
1627                                  ADVERTISED_100baseT_Half |
1628                                  ADVERTISED_100baseT_Full);
1629
1630         if (priv->max_speed == SPEED_1000)
1631                 phydev->supported |= ADVERTISED_1000baseT_Full;
1632
1633         phydev->advertising = phydev->supported;
1634
1635         priv->phydev = phydev;
1636
1637         return 0;
1638 }
1639
1640
1641
1642 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1643 {
1644         struct ucc_fast_private *uccf;
1645         u32 cecr_subblock;
1646         u32 temp;
1647
1648         uccf = ugeth->uccf;
1649
1650         /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1651         temp = in_be32(uccf->p_uccm);
1652         temp &= ~UCCE_GRA;
1653         out_be32(uccf->p_uccm, temp);
1654         out_be32(uccf->p_ucce, UCCE_GRA);       /* clear by writing 1 */
1655
1656         /* Issue host command */
1657         cecr_subblock =
1658             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1659         qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1660                      QE_CR_PROTOCOL_ETHERNET, 0);
1661
1662         /* Wait for command to complete */
1663         do {
1664                 temp = in_be32(uccf->p_ucce);
1665         } while (!(temp & UCCE_GRA));
1666
1667         uccf->stopped_tx = 1;
1668
1669         return 0;
1670 }
1671
1672 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1673 {
1674         struct ucc_fast_private *uccf;
1675         u32 cecr_subblock;
1676         u8 temp;
1677
1678         uccf = ugeth->uccf;
1679
1680         /* Clear acknowledge bit */
1681         temp = ugeth->p_rx_glbl_pram->rxgstpack;
1682         temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1683         ugeth->p_rx_glbl_pram->rxgstpack = temp;
1684
1685         /* Keep issuing command and checking acknowledge bit until
1686         it is asserted, according to spec */
1687         do {
1688                 /* Issue host command */
1689                 cecr_subblock =
1690                     ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1691                                                 ucc_num);
1692                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1693                              QE_CR_PROTOCOL_ETHERNET, 0);
1694
1695                 temp = ugeth->p_rx_glbl_pram->rxgstpack;
1696         } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX));
1697
1698         uccf->stopped_rx = 1;
1699
1700         return 0;
1701 }
1702
1703 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1704 {
1705         struct ucc_fast_private *uccf;
1706         u32 cecr_subblock;
1707
1708         uccf = ugeth->uccf;
1709
1710         cecr_subblock =
1711             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1712         qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1713         uccf->stopped_tx = 0;
1714
1715         return 0;
1716 }
1717
1718 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1719 {
1720         struct ucc_fast_private *uccf;
1721         u32 cecr_subblock;
1722
1723         uccf = ugeth->uccf;
1724
1725         cecr_subblock =
1726             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1727         qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1728                      0);
1729         uccf->stopped_rx = 0;
1730
1731         return 0;
1732 }
1733
1734 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1735 {
1736         struct ucc_fast_private *uccf;
1737         int enabled_tx, enabled_rx;
1738
1739         uccf = ugeth->uccf;
1740
1741         /* check if the UCC number is in range. */
1742         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1743                 if (netif_msg_probe(ugeth))
1744                         ugeth_err("%s: ucc_num out of range.", __FUNCTION__);
1745                 return -EINVAL;
1746         }
1747
1748         enabled_tx = uccf->enabled_tx;
1749         enabled_rx = uccf->enabled_rx;
1750
1751         /* Get Tx and Rx going again, in case this channel was actively
1752         disabled. */
1753         if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1754                 ugeth_restart_tx(ugeth);
1755         if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1756                 ugeth_restart_rx(ugeth);
1757
1758         ucc_fast_enable(uccf, mode);    /* OK to do even if not disabled */
1759
1760         return 0;
1761
1762 }
1763
1764 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1765 {
1766         struct ucc_fast_private *uccf;
1767
1768         uccf = ugeth->uccf;
1769
1770         /* check if the UCC number is in range. */
1771         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1772                 if (netif_msg_probe(ugeth))
1773                         ugeth_err("%s: ucc_num out of range.", __FUNCTION__);
1774                 return -EINVAL;
1775         }
1776
1777         /* Stop any transmissions */
1778         if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1779                 ugeth_graceful_stop_tx(ugeth);
1780
1781         /* Stop any receptions */
1782         if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1783                 ugeth_graceful_stop_rx(ugeth);
1784
1785         ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1786
1787         return 0;
1788 }
1789
1790 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1791 {
1792 #ifdef DEBUG
1793         ucc_fast_dump_regs(ugeth->uccf);
1794         dump_regs(ugeth);
1795         dump_bds(ugeth);
1796 #endif
1797 }
1798
1799 #ifdef CONFIG_UGETH_FILTERING
1800 static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1801                                              p_UccGethTadParams,
1802                                              struct qe_fltr_tad *qe_fltr_tad)
1803 {
1804         u16 temp;
1805
1806         /* Zero serialized TAD */
1807         memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
1808
1809         qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V;   /* Must have this */
1810         if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
1811             (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
1812             || (p_UccGethTadParams->vnontag_op !=
1813                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
1814             )
1815                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
1816         if (p_UccGethTadParams->reject_frame)
1817                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
1818         temp =
1819             (u16) (((u16) p_UccGethTadParams->
1820                     vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
1821         qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
1822
1823         qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff);     /* lower bits */
1824         if (p_UccGethTadParams->vnontag_op ==
1825             UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
1826                 qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
1827         qe_fltr_tad->serialized[1] |=
1828             p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
1829
1830         qe_fltr_tad->serialized[2] |=
1831             p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
1832         /* upper bits */
1833         qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
1834         /* lower bits */
1835         qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
1836
1837         return 0;
1838 }
1839
1840 static struct enet_addr_container_t
1841     *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
1842                                                  struct enet_addr *p_enet_addr)
1843 {
1844         struct enet_addr_container *enet_addr_cont;
1845         struct list_head *p_lh;
1846         u16 i, num;
1847         int32_t j;
1848         u8 *p_counter;
1849
1850         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1851                 p_lh = &ugeth->group_hash_q;
1852                 p_counter = &(ugeth->numGroupAddrInHash);
1853         } else {
1854                 p_lh = &ugeth->ind_hash_q;
1855                 p_counter = &(ugeth->numIndAddrInHash);
1856         }
1857
1858         if (!p_lh)
1859                 return NULL;
1860
1861         num = *p_counter;
1862
1863         for (i = 0; i < num; i++) {
1864                 enet_addr_cont =
1865                     (struct enet_addr_container *)
1866                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1867                 for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
1868                         if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
1869                                 break;
1870                         if (j == 0)
1871                                 return enet_addr_cont;  /* Found */
1872                 }
1873                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1874         }
1875         return NULL;
1876 }
1877
1878 static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
1879                                                  struct enet_addr *p_enet_addr)
1880 {
1881         enum ucc_geth_enet_address_recognition_location location;
1882         struct enet_addr_container *enet_addr_cont;
1883         struct list_head *p_lh;
1884         u8 i;
1885         u32 limit;
1886         u8 *p_counter;
1887
1888         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1889                 p_lh = &ugeth->group_hash_q;
1890                 limit = ugeth->ug_info->maxGroupAddrInHash;
1891                 location =
1892                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
1893                 p_counter = &(ugeth->numGroupAddrInHash);
1894         } else {
1895                 p_lh = &ugeth->ind_hash_q;
1896                 limit = ugeth->ug_info->maxIndAddrInHash;
1897                 location =
1898                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
1899                 p_counter = &(ugeth->numIndAddrInHash);
1900         }
1901
1902         if ((enet_addr_cont =
1903              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
1904                 list_add(p_lh, &enet_addr_cont->node);  /* Put it back */
1905                 return 0;
1906         }
1907         if ((!p_lh) || (!(*p_counter < limit)))
1908                 return -EBUSY;
1909         if (!(enet_addr_cont = get_enet_addr_container()))
1910                 return -ENOMEM;
1911         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
1912                 (enet_addr_cont->address)[i] = (*p_enet_addr)[i];
1913         enet_addr_cont->location = location;
1914         enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1915         ++(*p_counter);
1916
1917         hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1918         return 0;
1919 }
1920
1921 static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
1922                                                    struct enet_addr *p_enet_addr)
1923 {
1924         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1925         struct enet_addr_container *enet_addr_cont;
1926         struct ucc_fast_private *uccf;
1927         enum comm_dir comm_dir;
1928         u16 i, num;
1929         struct list_head *p_lh;
1930         u32 *addr_h, *addr_l;
1931         u8 *p_counter;
1932
1933         uccf = ugeth->uccf;
1934
1935         p_82xx_addr_filt =
1936             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1937             addressfiltering;
1938
1939         if (!
1940             (enet_addr_cont =
1941              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
1942                 return -ENOENT;
1943
1944         /* It's been found and removed from the CQ. */
1945         /* Now destroy its container */
1946         put_enet_addr_container(enet_addr_cont);
1947
1948         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1949                 addr_h = &(p_82xx_addr_filt->gaddr_h);
1950                 addr_l = &(p_82xx_addr_filt->gaddr_l);
1951                 p_lh = &ugeth->group_hash_q;
1952                 p_counter = &(ugeth->numGroupAddrInHash);
1953         } else {
1954                 addr_h = &(p_82xx_addr_filt->iaddr_h);
1955                 addr_l = &(p_82xx_addr_filt->iaddr_l);
1956                 p_lh = &ugeth->ind_hash_q;
1957                 p_counter = &(ugeth->numIndAddrInHash);
1958         }
1959
1960         comm_dir = 0;
1961         if (uccf->enabled_tx)
1962                 comm_dir |= COMM_DIR_TX;
1963         if (uccf->enabled_rx)
1964                 comm_dir |= COMM_DIR_RX;
1965         if (comm_dir)
1966                 ugeth_disable(ugeth, comm_dir);
1967
1968         /* Clear the hash table. */
1969         out_be32(addr_h, 0x00000000);
1970         out_be32(addr_l, 0x00000000);
1971
1972         /* Add all remaining CQ elements back into hash */
1973         num = --(*p_counter);
1974         for (i = 0; i < num; i++) {
1975                 enet_addr_cont =
1976                     (struct enet_addr_container *)
1977                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1978                 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1979                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1980         }
1981
1982         if (comm_dir)
1983                 ugeth_enable(ugeth, comm_dir);
1984
1985         return 0;
1986 }
1987 #endif /* CONFIG_UGETH_FILTERING */
1988
1989 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1990                                                        ugeth,
1991                                                        enum enet_addr_type
1992                                                        enet_addr_type)
1993 {
1994         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1995         struct ucc_fast_private *uccf;
1996         enum comm_dir comm_dir;
1997         struct list_head *p_lh;
1998         u16 i, num;
1999         u32 *addr_h, *addr_l;
2000         u8 *p_counter;
2001
2002         uccf = ugeth->uccf;
2003
2004         p_82xx_addr_filt =
2005             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
2006             addressfiltering;
2007
2008         if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
2009                 addr_h = &(p_82xx_addr_filt->gaddr_h);
2010                 addr_l = &(p_82xx_addr_filt->gaddr_l);
2011                 p_lh = &ugeth->group_hash_q;
2012                 p_counter = &(ugeth->numGroupAddrInHash);
2013         } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
2014                 addr_h = &(p_82xx_addr_filt->iaddr_h);
2015                 addr_l = &(p_82xx_addr_filt->iaddr_l);
2016                 p_lh = &ugeth->ind_hash_q;
2017                 p_counter = &(ugeth->numIndAddrInHash);
2018         } else
2019                 return -EINVAL;
2020
2021         comm_dir = 0;
2022         if (uccf->enabled_tx)
2023                 comm_dir |= COMM_DIR_TX;
2024         if (uccf->enabled_rx)
2025                 comm_dir |= COMM_DIR_RX;
2026         if (comm_dir)
2027                 ugeth_disable(ugeth, comm_dir);
2028
2029         /* Clear the hash table. */
2030         out_be32(addr_h, 0x00000000);
2031         out_be32(addr_l, 0x00000000);
2032
2033         if (!p_lh)
2034                 return 0;
2035
2036         num = *p_counter;
2037
2038         /* Delete all remaining CQ elements */
2039         for (i = 0; i < num; i++)
2040                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
2041
2042         *p_counter = 0;
2043
2044         if (comm_dir)
2045                 ugeth_enable(ugeth, comm_dir);
2046
2047         return 0;
2048 }
2049
2050 #ifdef CONFIG_UGETH_FILTERING
2051 static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
2052                                                   struct enet_addr *p_enet_addr,
2053                                                   u8 paddr_num)
2054 {
2055         int i;
2056
2057         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
2058                 ugeth_warn
2059                     ("%s: multicast address added to paddr will have no "
2060                      "effect - is this what you wanted?",
2061                      __FUNCTION__);
2062
2063         ugeth->indAddrRegUsed[paddr_num] = 1;   /* mark this paddr as used */
2064         /* store address in our database */
2065         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
2066                 ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
2067         /* put in hardware */
2068         return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
2069 }
2070 #endif /* CONFIG_UGETH_FILTERING */
2071
2072 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2073                                                     u8 paddr_num)
2074 {
2075         ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
2076         return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
2077 }
2078
2079 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2080 {
2081         u16 i, j;
2082         u8 *bd;
2083
2084         if (!ugeth)
2085                 return;
2086
2087         if (ugeth->uccf)
2088                 ucc_fast_free(ugeth->uccf);
2089
2090         if (ugeth->p_thread_data_tx) {
2091                 qe_muram_free(ugeth->thread_dat_tx_offset);
2092                 ugeth->p_thread_data_tx = NULL;
2093         }
2094         if (ugeth->p_thread_data_rx) {
2095                 qe_muram_free(ugeth->thread_dat_rx_offset);
2096                 ugeth->p_thread_data_rx = NULL;
2097         }
2098         if (ugeth->p_exf_glbl_param) {
2099                 qe_muram_free(ugeth->exf_glbl_param_offset);
2100                 ugeth->p_exf_glbl_param = NULL;
2101         }
2102         if (ugeth->p_rx_glbl_pram) {
2103                 qe_muram_free(ugeth->rx_glbl_pram_offset);
2104                 ugeth->p_rx_glbl_pram = NULL;
2105         }
2106         if (ugeth->p_tx_glbl_pram) {
2107                 qe_muram_free(ugeth->tx_glbl_pram_offset);
2108                 ugeth->p_tx_glbl_pram = NULL;
2109         }
2110         if (ugeth->p_send_q_mem_reg) {
2111                 qe_muram_free(ugeth->send_q_mem_reg_offset);
2112                 ugeth->p_send_q_mem_reg = NULL;
2113         }
2114         if (ugeth->p_scheduler) {
2115                 qe_muram_free(ugeth->scheduler_offset);
2116                 ugeth->p_scheduler = NULL;
2117         }
2118         if (ugeth->p_tx_fw_statistics_pram) {
2119                 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
2120                 ugeth->p_tx_fw_statistics_pram = NULL;
2121         }
2122         if (ugeth->p_rx_fw_statistics_pram) {
2123                 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
2124                 ugeth->p_rx_fw_statistics_pram = NULL;
2125         }
2126         if (ugeth->p_rx_irq_coalescing_tbl) {
2127                 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
2128                 ugeth->p_rx_irq_coalescing_tbl = NULL;
2129         }
2130         if (ugeth->p_rx_bd_qs_tbl) {
2131                 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
2132                 ugeth->p_rx_bd_qs_tbl = NULL;
2133         }
2134         if (ugeth->p_init_enet_param_shadow) {
2135                 return_init_enet_entries(ugeth,
2136                                          &(ugeth->p_init_enet_param_shadow->
2137                                            rxthread[0]),
2138                                          ENET_INIT_PARAM_MAX_ENTRIES_RX,
2139                                          ugeth->ug_info->riscRx, 1);
2140                 return_init_enet_entries(ugeth,
2141                                          &(ugeth->p_init_enet_param_shadow->
2142                                            txthread[0]),
2143                                          ENET_INIT_PARAM_MAX_ENTRIES_TX,
2144                                          ugeth->ug_info->riscTx, 0);
2145                 kfree(ugeth->p_init_enet_param_shadow);
2146                 ugeth->p_init_enet_param_shadow = NULL;
2147         }
2148         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
2149                 bd = ugeth->p_tx_bd_ring[i];
2150                 if (!bd)
2151                         continue;
2152                 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
2153                         if (ugeth->tx_skbuff[i][j]) {
2154                                 dma_unmap_single(NULL,
2155                                                  ((struct qe_bd *)bd)->buf,
2156                                                  (in_be32((u32 *)bd) &
2157                                                   BD_LENGTH_MASK),
2158                                                  DMA_TO_DEVICE);
2159                                 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
2160                                 ugeth->tx_skbuff[i][j] = NULL;
2161                         }
2162                 }
2163
2164                 kfree(ugeth->tx_skbuff[i]);
2165
2166                 if (ugeth->p_tx_bd_ring[i]) {
2167                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2168                             MEM_PART_SYSTEM)
2169                                 kfree((void *)ugeth->tx_bd_ring_offset[i]);
2170                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2171                                  MEM_PART_MURAM)
2172                                 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
2173                         ugeth->p_tx_bd_ring[i] = NULL;
2174                 }
2175         }
2176         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
2177                 if (ugeth->p_rx_bd_ring[i]) {
2178                         /* Return existing data buffers in ring */
2179                         bd = ugeth->p_rx_bd_ring[i];
2180                         for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
2181                                 if (ugeth->rx_skbuff[i][j]) {
2182                                         dma_unmap_single(NULL,
2183                                                 ((struct qe_bd *)bd)->buf,
2184                                                 ugeth->ug_info->
2185                                                 uf_info.max_rx_buf_length +
2186                                                 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
2187                                                 DMA_FROM_DEVICE);
2188                                         dev_kfree_skb_any(
2189                                                 ugeth->rx_skbuff[i][j]);
2190                                         ugeth->rx_skbuff[i][j] = NULL;
2191                                 }
2192                                 bd += sizeof(struct qe_bd);
2193                         }
2194
2195                         kfree(ugeth->rx_skbuff[i]);
2196
2197                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2198                             MEM_PART_SYSTEM)
2199                                 kfree((void *)ugeth->rx_bd_ring_offset[i]);
2200                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2201                                  MEM_PART_MURAM)
2202                                 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
2203                         ugeth->p_rx_bd_ring[i] = NULL;
2204                 }
2205         }
2206         while (!list_empty(&ugeth->group_hash_q))
2207                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2208                                         (dequeue(&ugeth->group_hash_q)));
2209         while (!list_empty(&ugeth->ind_hash_q))
2210                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2211                                         (dequeue(&ugeth->ind_hash_q)));
2212
2213 }
2214
2215 static void ucc_geth_set_multi(struct net_device *dev)
2216 {
2217         struct ucc_geth_private *ugeth;
2218         struct dev_mc_list *dmi;
2219         struct ucc_fast *uf_regs;
2220         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
2221         int i;
2222
2223         ugeth = netdev_priv(dev);
2224
2225         uf_regs = ugeth->uccf->uf_regs;
2226
2227         if (dev->flags & IFF_PROMISC) {
2228
2229                 uf_regs->upsmr |= UPSMR_PRO;
2230
2231         } else {
2232
2233                 uf_regs->upsmr &= ~UPSMR_PRO;
2234
2235                 p_82xx_addr_filt =
2236                     (struct ucc_geth_82xx_address_filtering_pram *) ugeth->
2237                     p_rx_glbl_pram->addressfiltering;
2238
2239                 if (dev->flags & IFF_ALLMULTI) {
2240                         /* Catch all multicast addresses, so set the
2241                          * filter to all 1's.
2242                          */
2243                         out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2244                         out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2245                 } else {
2246                         /* Clear filter and add the addresses in the list.
2247                          */
2248                         out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2249                         out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2250
2251                         dmi = dev->mc_list;
2252
2253                         for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
2254
2255                                 /* Only support group multicast for now.
2256                                  */
2257                                 if (!(dmi->dmi_addr[0] & 1))
2258                                         continue;
2259
2260                                 /* Ask CPM to run CRC and set bit in
2261                                  * filter mask.
2262                                  */
2263                                 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2264                         }
2265                 }
2266         }
2267 }
2268
2269 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2270 {
2271         struct ucc_geth *ug_regs = ugeth->ug_regs;
2272         struct phy_device *phydev = ugeth->phydev;
2273         u32 tempval;
2274
2275         ugeth_vdbg("%s: IN", __FUNCTION__);
2276
2277         /* Disable the controller */
2278         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2279
2280         /* Tell the kernel the link is down */
2281         phy_stop(phydev);
2282
2283         /* Mask all interrupts */
2284         out_be32(ugeth->uccf->p_uccm, 0x00000000);
2285
2286         /* Clear all interrupts */
2287         out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2288
2289         /* Disable Rx and Tx */
2290         tempval = in_be32(&ug_regs->maccfg1);
2291         tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2292         out_be32(&ug_regs->maccfg1, tempval);
2293
2294         free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
2295
2296         ucc_geth_memclean(ugeth);
2297 }
2298
2299 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2300 {
2301         struct ucc_geth_info *ug_info;
2302         struct ucc_fast_info *uf_info;
2303         int i;
2304
2305         ug_info = ugeth->ug_info;
2306         uf_info = &ug_info->uf_info;
2307
2308         /* Create CQs for hash tables */
2309         INIT_LIST_HEAD(&ugeth->group_hash_q);
2310         INIT_LIST_HEAD(&ugeth->ind_hash_q);
2311
2312         if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2313               (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2314                 if (netif_msg_probe(ugeth))
2315                         ugeth_err("%s: Bad memory partition value.",
2316                                         __FUNCTION__);
2317                 return -EINVAL;
2318         }
2319
2320         /* Rx BD lengths */
2321         for (i = 0; i < ug_info->numQueuesRx; i++) {
2322                 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2323                     (ug_info->bdRingLenRx[i] %
2324                      UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2325                         if (netif_msg_probe(ugeth))
2326                                 ugeth_err
2327                                     ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2328                                         __FUNCTION__);
2329                         return -EINVAL;
2330                 }
2331         }
2332
2333         /* Tx BD lengths */
2334         for (i = 0; i < ug_info->numQueuesTx; i++) {
2335                 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2336                         if (netif_msg_probe(ugeth))
2337                                 ugeth_err
2338                                     ("%s: Tx BD ring length must be no smaller than 2.",
2339                                      __FUNCTION__);
2340                         return -EINVAL;
2341                 }
2342         }
2343
2344         /* mrblr */
2345         if ((uf_info->max_rx_buf_length == 0) ||
2346             (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2347                 if (netif_msg_probe(ugeth))
2348                         ugeth_err
2349                             ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2350                              __FUNCTION__);
2351                 return -EINVAL;
2352         }
2353
2354         /* num Tx queues */
2355         if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2356                 if (netif_msg_probe(ugeth))
2357                         ugeth_err("%s: number of tx queues too large.", __FUNCTION__);
2358                 return -EINVAL;
2359         }
2360
2361         /* num Rx queues */
2362         if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2363                 if (netif_msg_probe(ugeth))
2364                         ugeth_err("%s: number of rx queues too large.", __FUNCTION__);
2365                 return -EINVAL;
2366         }
2367
2368         /* l2qt */
2369         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2370                 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2371                         if (netif_msg_probe(ugeth))
2372                                 ugeth_err
2373                                     ("%s: VLAN priority table entry must not be"
2374                                         " larger than number of Rx queues.",
2375                                      __FUNCTION__);
2376                         return -EINVAL;
2377                 }
2378         }
2379
2380         /* l3qt */
2381         for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2382                 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2383                         if (netif_msg_probe(ugeth))
2384                                 ugeth_err
2385                                     ("%s: IP priority table entry must not be"
2386                                         " larger than number of Rx queues.",
2387                                      __FUNCTION__);
2388                         return -EINVAL;
2389                 }
2390         }
2391
2392         if (ug_info->cam && !ug_info->ecamptr) {
2393                 if (netif_msg_probe(ugeth))
2394                         ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2395                                   __FUNCTION__);
2396                 return -EINVAL;
2397         }
2398
2399         if ((ug_info->numStationAddresses !=
2400              UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2401             && ug_info->rxExtendedFiltering) {
2402                 if (netif_msg_probe(ugeth))
2403                         ugeth_err("%s: Number of station addresses greater than 1 "
2404                                   "not allowed in extended parsing mode.",
2405                                   __FUNCTION__);
2406                 return -EINVAL;
2407         }
2408
2409         /* Generate uccm_mask for receive */
2410         uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2411         for (i = 0; i < ug_info->numQueuesRx; i++)
2412                 uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
2413
2414         for (i = 0; i < ug_info->numQueuesTx; i++)
2415                 uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
2416         /* Initialize the general fast UCC block. */
2417         if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2418                 if (netif_msg_probe(ugeth))
2419                         ugeth_err("%s: Failed to init uccf.", __FUNCTION__);
2420                 ucc_geth_memclean(ugeth);
2421                 return -ENOMEM;
2422         }
2423
2424         ugeth->ug_regs = (struct ucc_geth *) ioremap(uf_info->regs, sizeof(struct ucc_geth));
2425
2426         return 0;
2427 }
2428
2429 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2430 {
2431         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
2432         struct ucc_geth_init_pram *p_init_enet_pram;
2433         struct ucc_fast_private *uccf;
2434         struct ucc_geth_info *ug_info;
2435         struct ucc_fast_info *uf_info;
2436         struct ucc_fast *uf_regs;
2437         struct ucc_geth *ug_regs;
2438         int ret_val = -EINVAL;
2439         u32 remoder = UCC_GETH_REMODER_INIT;
2440         u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
2441         u32 ifstat, i, j, size, l2qt, l3qt, length;
2442         u16 temoder = UCC_GETH_TEMODER_INIT;
2443         u16 test;
2444         u8 function_code = 0;
2445         u8 *bd, *endOfRing;
2446         u8 numThreadsRxNumerical, numThreadsTxNumerical;
2447
2448         ugeth_vdbg("%s: IN", __FUNCTION__);
2449         uccf = ugeth->uccf;
2450         ug_info = ugeth->ug_info;
2451         uf_info = &ug_info->uf_info;
2452         uf_regs = uccf->uf_regs;
2453         ug_regs = ugeth->ug_regs;
2454
2455         switch (ug_info->numThreadsRx) {
2456         case UCC_GETH_NUM_OF_THREADS_1:
2457                 numThreadsRxNumerical = 1;
2458                 break;
2459         case UCC_GETH_NUM_OF_THREADS_2:
2460                 numThreadsRxNumerical = 2;
2461                 break;
2462         case UCC_GETH_NUM_OF_THREADS_4:
2463                 numThreadsRxNumerical = 4;
2464                 break;
2465         case UCC_GETH_NUM_OF_THREADS_6:
2466                 numThreadsRxNumerical = 6;
2467                 break;
2468         case UCC_GETH_NUM_OF_THREADS_8:
2469                 numThreadsRxNumerical = 8;
2470                 break;
2471         default:
2472                 if (netif_msg_ifup(ugeth))
2473                         ugeth_err("%s: Bad number of Rx threads value.",
2474                                         __FUNCTION__);
2475                 ucc_geth_memclean(ugeth);
2476                 return -EINVAL;
2477                 break;
2478         }
2479
2480         switch (ug_info->numThreadsTx) {
2481         case UCC_GETH_NUM_OF_THREADS_1:
2482                 numThreadsTxNumerical = 1;
2483                 break;
2484         case UCC_GETH_NUM_OF_THREADS_2:
2485                 numThreadsTxNumerical = 2;
2486                 break;
2487         case UCC_GETH_NUM_OF_THREADS_4:
2488                 numThreadsTxNumerical = 4;
2489                 break;
2490         case UCC_GETH_NUM_OF_THREADS_6:
2491                 numThreadsTxNumerical = 6;
2492                 break;
2493         case UCC_GETH_NUM_OF_THREADS_8:
2494                 numThreadsTxNumerical = 8;
2495                 break;
2496         default:
2497                 if (netif_msg_ifup(ugeth))
2498                         ugeth_err("%s: Bad number of Tx threads value.",
2499                                         __FUNCTION__);
2500                 ucc_geth_memclean(ugeth);
2501                 return -EINVAL;
2502                 break;
2503         }
2504
2505         /* Calculate rx_extended_features */
2506         ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2507             ug_info->ipAddressAlignment ||
2508             (ug_info->numStationAddresses !=
2509              UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2510
2511         ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2512             (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2513             || (ug_info->vlanOperationNonTagged !=
2514                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2515
2516         init_default_reg_vals(&uf_regs->upsmr,
2517                               &ug_regs->maccfg1, &ug_regs->maccfg2);
2518
2519         /*                    Set UPSMR                      */
2520         /* For more details see the hardware spec.           */
2521         init_rx_parameters(ug_info->bro,
2522                            ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2523
2524         /* We're going to ignore other registers for now, */
2525         /* except as needed to get up and running         */
2526
2527         /*                    Set MACCFG1                    */
2528         /* For more details see the hardware spec.           */
2529         init_flow_control_params(ug_info->aufc,
2530                                  ug_info->receiveFlowControl,
2531                                  ug_info->transmitFlowControl,
2532                                  ug_info->pausePeriod,
2533                                  ug_info->extensionField,
2534                                  &uf_regs->upsmr,
2535                                  &ug_regs->uempr, &ug_regs->maccfg1);
2536
2537         maccfg1 = in_be32(&ug_regs->maccfg1);
2538         maccfg1 |= MACCFG1_ENABLE_RX;
2539         maccfg1 |= MACCFG1_ENABLE_TX;
2540         out_be32(&ug_regs->maccfg1, maccfg1);
2541
2542         /*                    Set IPGIFG                     */
2543         /* For more details see the hardware spec.           */
2544         ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2545                                               ug_info->nonBackToBackIfgPart2,
2546                                               ug_info->
2547                                               miminumInterFrameGapEnforcement,
2548                                               ug_info->backToBackInterFrameGap,
2549                                               &ug_regs->ipgifg);
2550         if (ret_val != 0) {
2551                 if (netif_msg_ifup(ugeth))
2552                         ugeth_err("%s: IPGIFG initialization parameter too large.",
2553                                   __FUNCTION__);
2554                 ucc_geth_memclean(ugeth);
2555                 return ret_val;
2556         }
2557
2558         /*                    Set HAFDUP                     */
2559         /* For more details see the hardware spec.           */
2560         ret_val = init_half_duplex_params(ug_info->altBeb,
2561                                           ug_info->backPressureNoBackoff,
2562                                           ug_info->noBackoff,
2563                                           ug_info->excessDefer,
2564                                           ug_info->altBebTruncation,
2565                                           ug_info->maxRetransmission,
2566                                           ug_info->collisionWindow,
2567                                           &ug_regs->hafdup);
2568         if (ret_val != 0) {
2569                 if (netif_msg_ifup(ugeth))
2570                         ugeth_err("%s: Half Duplex initialization parameter too large.",
2571                           __FUNCTION__);
2572                 ucc_geth_memclean(ugeth);
2573                 return ret_val;
2574         }
2575
2576         /*                    Set IFSTAT                     */
2577         /* For more details see the hardware spec.           */
2578         /* Read only - resets upon read                      */
2579         ifstat = in_be32(&ug_regs->ifstat);
2580
2581         /*                    Clear UEMPR                    */
2582         /* For more details see the hardware spec.           */
2583         out_be32(&ug_regs->uempr, 0);
2584
2585         /*                    Set UESCR                      */
2586         /* For more details see the hardware spec.           */
2587         init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2588                                 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2589                                 0, &uf_regs->upsmr, &ug_regs->uescr);
2590
2591         /* Allocate Tx bds */
2592         for (j = 0; j < ug_info->numQueuesTx; j++) {
2593                 /* Allocate in multiple of
2594                    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2595                    according to spec */
2596                 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2597                           / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2598                     * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2599                 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2600                     UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2601                         length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2602                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2603                         u32 align = 4;
2604                         if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2605                                 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2606                         ugeth->tx_bd_ring_offset[j] =
2607                                 kmalloc((u32) (length + align), GFP_KERNEL);
2608
2609                         if (ugeth->tx_bd_ring_offset[j] != 0)
2610                                 ugeth->p_tx_bd_ring[j] =
2611                                         (void*)((ugeth->tx_bd_ring_offset[j] +
2612                                         align) & ~(align - 1));
2613                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2614                         ugeth->tx_bd_ring_offset[j] =
2615                             qe_muram_alloc(length,
2616                                            UCC_GETH_TX_BD_RING_ALIGNMENT);
2617                         if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2618                                 ugeth->p_tx_bd_ring[j] =
2619                                     (u8 *) qe_muram_addr(ugeth->
2620                                                          tx_bd_ring_offset[j]);
2621                 }
2622                 if (!ugeth->p_tx_bd_ring[j]) {
2623                         if (netif_msg_ifup(ugeth))
2624                                 ugeth_err
2625                                     ("%s: Can not allocate memory for Tx bd rings.",
2626                                      __FUNCTION__);
2627                         ucc_geth_memclean(ugeth);
2628                         return -ENOMEM;
2629                 }
2630                 /* Zero unused end of bd ring, according to spec */
2631                 memset(ugeth->p_tx_bd_ring[j] +
2632                        ug_info->bdRingLenTx[j] * sizeof(struct qe_bd), 0,
2633                        length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2634         }
2635
2636         /* Allocate Rx bds */
2637         for (j = 0; j < ug_info->numQueuesRx; j++) {
2638                 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2639                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2640                         u32 align = 4;
2641                         if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2642                                 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2643                         ugeth->rx_bd_ring_offset[j] =
2644                                 kmalloc((u32) (length + align), GFP_KERNEL);
2645                         if (ugeth->rx_bd_ring_offset[j] != 0)
2646                                 ugeth->p_rx_bd_ring[j] =
2647                                         (void*)((ugeth->rx_bd_ring_offset[j] +
2648                                         align) & ~(align - 1));
2649                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2650                         ugeth->rx_bd_ring_offset[j] =
2651                             qe_muram_alloc(length,
2652                                            UCC_GETH_RX_BD_RING_ALIGNMENT);
2653                         if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2654                                 ugeth->p_rx_bd_ring[j] =
2655                                     (u8 *) qe_muram_addr(ugeth->
2656                                                          rx_bd_ring_offset[j]);
2657                 }
2658                 if (!ugeth->p_rx_bd_ring[j]) {
2659                         if (netif_msg_ifup(ugeth))
2660                                 ugeth_err
2661                                     ("%s: Can not allocate memory for Rx bd rings.",
2662                                      __FUNCTION__);
2663                         ucc_geth_memclean(ugeth);
2664                         return -ENOMEM;
2665                 }
2666         }
2667
2668         /* Init Tx bds */
2669         for (j = 0; j < ug_info->numQueuesTx; j++) {
2670                 /* Setup the skbuff rings */
2671                 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2672                                               ugeth->ug_info->bdRingLenTx[j],
2673                                               GFP_KERNEL);
2674
2675                 if (ugeth->tx_skbuff[j] == NULL) {
2676                         if (netif_msg_ifup(ugeth))
2677                                 ugeth_err("%s: Could not allocate tx_skbuff",
2678                                           __FUNCTION__);
2679                         ucc_geth_memclean(ugeth);
2680                         return -ENOMEM;
2681                 }
2682
2683                 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2684                         ugeth->tx_skbuff[j][i] = NULL;
2685
2686                 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2687                 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2688                 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2689                         /* clear bd buffer */
2690                         out_be32(&((struct qe_bd *)bd)->buf, 0);
2691                         /* set bd status and length */
2692                         out_be32((u32 *)bd, 0);
2693                         bd += sizeof(struct qe_bd);
2694                 }
2695                 bd -= sizeof(struct qe_bd);
2696                 /* set bd status and length */
2697                 out_be32((u32 *)bd, T_W);       /* for last BD set Wrap bit */
2698         }
2699
2700         /* Init Rx bds */
2701         for (j = 0; j < ug_info->numQueuesRx; j++) {
2702                 /* Setup the skbuff rings */
2703                 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2704                                               ugeth->ug_info->bdRingLenRx[j],
2705                                               GFP_KERNEL);
2706
2707                 if (ugeth->rx_skbuff[j] == NULL) {
2708                         if (netif_msg_ifup(ugeth))
2709                                 ugeth_err("%s: Could not allocate rx_skbuff",
2710                                           __FUNCTION__);
2711                         ucc_geth_memclean(ugeth);
2712                         return -ENOMEM;
2713                 }
2714
2715                 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2716                         ugeth->rx_skbuff[j][i] = NULL;
2717
2718                 ugeth->skb_currx[j] = 0;
2719                 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2720                 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2721                         /* set bd status and length */
2722                         out_be32((u32 *)bd, R_I);
2723                         /* clear bd buffer */
2724                         out_be32(&((struct qe_bd *)bd)->buf, 0);
2725                         bd += sizeof(struct qe_bd);
2726                 }
2727                 bd -= sizeof(struct qe_bd);
2728                 /* set bd status and length */
2729                 out_be32((u32 *)bd, R_W); /* for last BD set Wrap bit */
2730         }
2731
2732         /*
2733          * Global PRAM
2734          */
2735         /* Tx global PRAM */
2736         /* Allocate global tx parameter RAM page */
2737         ugeth->tx_glbl_pram_offset =
2738             qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2739                            UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2740         if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2741                 if (netif_msg_ifup(ugeth))
2742                         ugeth_err
2743                             ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2744                              __FUNCTION__);
2745                 ucc_geth_memclean(ugeth);
2746                 return -ENOMEM;
2747         }
2748         ugeth->p_tx_glbl_pram =
2749             (struct ucc_geth_tx_global_pram *) qe_muram_addr(ugeth->
2750                                                         tx_glbl_pram_offset);
2751         /* Zero out p_tx_glbl_pram */
2752         memset(ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2753
2754         /* Fill global PRAM */
2755
2756         /* TQPTR */
2757         /* Size varies with number of Tx threads */
2758         ugeth->thread_dat_tx_offset =
2759             qe_muram_alloc(numThreadsTxNumerical *
2760                            sizeof(struct ucc_geth_thread_data_tx) +
2761                            32 * (numThreadsTxNumerical == 1),
2762                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2763         if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2764                 if (netif_msg_ifup(ugeth))
2765                         ugeth_err
2766                             ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2767                              __FUNCTION__);
2768                 ucc_geth_memclean(ugeth);
2769                 return -ENOMEM;
2770         }
2771
2772         ugeth->p_thread_data_tx =
2773             (struct ucc_geth_thread_data_tx *) qe_muram_addr(ugeth->
2774                                                         thread_dat_tx_offset);
2775         out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2776
2777         /* vtagtable */
2778         for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2779                 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2780                          ug_info->vtagtable[i]);
2781
2782         /* iphoffset */
2783         for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2784                 ugeth->p_tx_glbl_pram->iphoffset[i] = ug_info->iphoffset[i];
2785
2786         /* SQPTR */
2787         /* Size varies with number of Tx queues */
2788         ugeth->send_q_mem_reg_offset =
2789             qe_muram_alloc(ug_info->numQueuesTx *
2790                            sizeof(struct ucc_geth_send_queue_qd),
2791                            UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2792         if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2793                 if (netif_msg_ifup(ugeth))
2794                         ugeth_err
2795                             ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2796                              __FUNCTION__);
2797                 ucc_geth_memclean(ugeth);
2798                 return -ENOMEM;
2799         }
2800
2801         ugeth->p_send_q_mem_reg =
2802             (struct ucc_geth_send_queue_mem_region *) qe_muram_addr(ugeth->
2803                         send_q_mem_reg_offset);
2804         out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2805
2806         /* Setup the table */
2807         /* Assume BD rings are already established */
2808         for (i = 0; i < ug_info->numQueuesTx; i++) {
2809                 endOfRing =
2810                     ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2811                                               1) * sizeof(struct qe_bd);
2812                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2813                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2814                                  (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2815                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2816                                  last_bd_completed_address,
2817                                  (u32) virt_to_phys(endOfRing));
2818                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2819                            MEM_PART_MURAM) {
2820                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2821                                  (u32) immrbar_virt_to_phys(ugeth->
2822                                                             p_tx_bd_ring[i]));
2823                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2824                                  last_bd_completed_address,
2825                                  (u32) immrbar_virt_to_phys(endOfRing));
2826                 }
2827         }
2828
2829         /* schedulerbasepointer */
2830
2831         if (ug_info->numQueuesTx > 1) {
2832         /* scheduler exists only if more than 1 tx queue */
2833                 ugeth->scheduler_offset =
2834                     qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2835                                    UCC_GETH_SCHEDULER_ALIGNMENT);
2836                 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2837                         if (netif_msg_ifup(ugeth))
2838                                 ugeth_err
2839                                  ("%s: Can not allocate DPRAM memory for p_scheduler.",
2840                                      __FUNCTION__);
2841                         ucc_geth_memclean(ugeth);
2842                         return -ENOMEM;
2843                 }
2844
2845                 ugeth->p_scheduler =
2846                     (struct ucc_geth_scheduler *) qe_muram_addr(ugeth->
2847                                                            scheduler_offset);
2848                 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2849                          ugeth->scheduler_offset);
2850                 /* Zero out p_scheduler */
2851                 memset(ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2852
2853                 /* Set values in scheduler */
2854                 out_be32(&ugeth->p_scheduler->mblinterval,
2855                          ug_info->mblinterval);
2856                 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2857                          ug_info->nortsrbytetime);
2858                 ugeth->p_scheduler->fracsiz = ug_info->fracsiz;
2859                 ugeth->p_scheduler->strictpriorityq = ug_info->strictpriorityq;
2860                 ugeth->p_scheduler->txasap = ug_info->txasap;
2861                 ugeth->p_scheduler->extrabw = ug_info->extrabw;
2862                 for (i = 0; i < NUM_TX_QUEUES; i++)
2863                         ugeth->p_scheduler->weightfactor[i] =
2864                             ug_info->weightfactor[i];
2865
2866                 /* Set pointers to cpucount registers in scheduler */
2867                 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2868                 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2869                 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2870                 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2871                 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2872                 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2873                 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2874                 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2875         }
2876
2877         /* schedulerbasepointer */
2878         /* TxRMON_PTR (statistics) */
2879         if (ug_info->
2880             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2881                 ugeth->tx_fw_statistics_pram_offset =
2882                     qe_muram_alloc(sizeof
2883                                    (struct ucc_geth_tx_firmware_statistics_pram),
2884                                    UCC_GETH_TX_STATISTICS_ALIGNMENT);
2885                 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2886                         if (netif_msg_ifup(ugeth))
2887                                 ugeth_err
2888                                     ("%s: Can not allocate DPRAM memory for"
2889                                         " p_tx_fw_statistics_pram.",
2890                                         __FUNCTION__);
2891                         ucc_geth_memclean(ugeth);
2892                         return -ENOMEM;
2893                 }
2894                 ugeth->p_tx_fw_statistics_pram =
2895                     (struct ucc_geth_tx_firmware_statistics_pram *)
2896                     qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2897                 /* Zero out p_tx_fw_statistics_pram */
2898                 memset(ugeth->p_tx_fw_statistics_pram,
2899                        0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2900         }
2901
2902         /* temoder */
2903         /* Already has speed set */
2904
2905         if (ug_info->numQueuesTx > 1)
2906                 temoder |= TEMODER_SCHEDULER_ENABLE;
2907         if (ug_info->ipCheckSumGenerate)
2908                 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2909         temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2910         out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2911
2912         test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2913
2914         /* Function code register value to be used later */
2915         function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2916         /* Required for QE */
2917
2918         /* function code register */
2919         out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2920
2921         /* Rx global PRAM */
2922         /* Allocate global rx parameter RAM page */
2923         ugeth->rx_glbl_pram_offset =
2924             qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2925                            UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2926         if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2927                 if (netif_msg_ifup(ugeth))
2928                         ugeth_err
2929                             ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2930                              __FUNCTION__);
2931                 ucc_geth_memclean(ugeth);
2932                 return -ENOMEM;
2933         }
2934         ugeth->p_rx_glbl_pram =
2935             (struct ucc_geth_rx_global_pram *) qe_muram_addr(ugeth->
2936                                                         rx_glbl_pram_offset);
2937         /* Zero out p_rx_glbl_pram */
2938         memset(ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2939
2940         /* Fill global PRAM */
2941
2942         /* RQPTR */
2943         /* Size varies with number of Rx threads */
2944         ugeth->thread_dat_rx_offset =
2945             qe_muram_alloc(numThreadsRxNumerical *
2946                            sizeof(struct ucc_geth_thread_data_rx),
2947                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2948         if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2949                 if (netif_msg_ifup(ugeth))
2950                         ugeth_err
2951                             ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2952                              __FUNCTION__);
2953                 ucc_geth_memclean(ugeth);
2954                 return -ENOMEM;
2955         }
2956
2957         ugeth->p_thread_data_rx =
2958             (struct ucc_geth_thread_data_rx *) qe_muram_addr(ugeth->
2959                                                         thread_dat_rx_offset);
2960         out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2961
2962         /* typeorlen */
2963         out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2964
2965         /* rxrmonbaseptr (statistics) */
2966         if (ug_info->
2967             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2968                 ugeth->rx_fw_statistics_pram_offset =
2969                     qe_muram_alloc(sizeof
2970                                    (struct ucc_geth_rx_firmware_statistics_pram),
2971                                    UCC_GETH_RX_STATISTICS_ALIGNMENT);
2972                 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2973                         if (netif_msg_ifup(ugeth))
2974                                 ugeth_err
2975                                         ("%s: Can not allocate DPRAM memory for"
2976                                         " p_rx_fw_statistics_pram.", __FUNCTION__);
2977                         ucc_geth_memclean(ugeth);
2978                         return -ENOMEM;
2979                 }
2980                 ugeth->p_rx_fw_statistics_pram =
2981                     (struct ucc_geth_rx_firmware_statistics_pram *)
2982                     qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2983                 /* Zero out p_rx_fw_statistics_pram */
2984                 memset(ugeth->p_rx_fw_statistics_pram, 0,
2985                        sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2986         }
2987
2988         /* intCoalescingPtr */
2989
2990         /* Size varies with number of Rx queues */
2991         ugeth->rx_irq_coalescing_tbl_offset =
2992             qe_muram_alloc(ug_info->numQueuesRx *
2993                            sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2994                            + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2995         if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2996                 if (netif_msg_ifup(ugeth))
2997                         ugeth_err
2998                             ("%s: Can not allocate DPRAM memory for"
2999                                 " p_rx_irq_coalescing_tbl.", __FUNCTION__);
3000                 ucc_geth_memclean(ugeth);
3001                 return -ENOMEM;
3002         }
3003
3004         ugeth->p_rx_irq_coalescing_tbl =
3005             (struct ucc_geth_rx_interrupt_coalescing_table *)
3006             qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
3007         out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
3008                  ugeth->rx_irq_coalescing_tbl_offset);
3009
3010         /* Fill interrupt coalescing table */
3011         for (i = 0; i < ug_info->numQueuesRx; i++) {
3012                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3013                          interruptcoalescingmaxvalue,
3014                          ug_info->interruptcoalescingmaxvalue[i]);
3015                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3016                          interruptcoalescingcounter,
3017                          ug_info->interruptcoalescingmaxvalue[i]);
3018         }
3019
3020         /* MRBLR */
3021         init_max_rx_buff_len(uf_info->max_rx_buf_length,
3022                              &ugeth->p_rx_glbl_pram->mrblr);
3023         /* MFLR */
3024         out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
3025         /* MINFLR */
3026         init_min_frame_len(ug_info->minFrameLength,
3027                            &ugeth->p_rx_glbl_pram->minflr,
3028                            &ugeth->p_rx_glbl_pram->mrblr);
3029         /* MAXD1 */
3030         out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
3031         /* MAXD2 */
3032         out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
3033
3034         /* l2qt */
3035         l2qt = 0;
3036         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
3037                 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
3038         out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
3039
3040         /* l3qt */
3041         for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
3042                 l3qt = 0;
3043                 for (i = 0; i < 8; i++)
3044                         l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3045                 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3046         }
3047
3048         /* vlantype */
3049         out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
3050
3051         /* vlantci */
3052         out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
3053
3054         /* ecamptr */
3055         out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
3056
3057         /* RBDQPTR */
3058         /* Size varies with number of Rx queues */
3059         ugeth->rx_bd_qs_tbl_offset =
3060             qe_muram_alloc(ug_info->numQueuesRx *
3061                            (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3062                             sizeof(struct ucc_geth_rx_prefetched_bds)),
3063                            UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3064         if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3065                 if (netif_msg_ifup(ugeth))
3066                         ugeth_err
3067                             ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3068                              __FUNCTION__);
3069                 ucc_geth_memclean(ugeth);
3070                 return -ENOMEM;
3071         }
3072
3073         ugeth->p_rx_bd_qs_tbl =
3074             (struct ucc_geth_rx_bd_queues_entry *) qe_muram_addr(ugeth->
3075                                     rx_bd_qs_tbl_offset);
3076         out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
3077         /* Zero out p_rx_bd_qs_tbl */
3078         memset(ugeth->p_rx_bd_qs_tbl,
3079                0,
3080                ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3081                                        sizeof(struct ucc_geth_rx_prefetched_bds)));
3082
3083         /* Setup the table */
3084         /* Assume BD rings are already established */
3085         for (i = 0; i < ug_info->numQueuesRx; i++) {
3086                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
3087                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3088                                  (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
3089                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
3090                            MEM_PART_MURAM) {
3091                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3092                                  (u32) immrbar_virt_to_phys(ugeth->
3093                                                             p_rx_bd_ring[i]));
3094                 }
3095                 /* rest of fields handled by QE */
3096         }
3097
3098         /* remoder */
3099         /* Already has speed set */
3100
3101         if (ugeth->rx_extended_features)
3102                 remoder |= REMODER_RX_EXTENDED_FEATURES;
3103         if (ug_info->rxExtendedFiltering)
3104                 remoder |= REMODER_RX_EXTENDED_FILTERING;
3105         if (ug_info->dynamicMaxFrameLength)
3106                 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
3107         if (ug_info->dynamicMinFrameLength)
3108                 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
3109         remoder |=
3110             ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
3111         remoder |=
3112             ug_info->
3113             vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
3114         remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
3115         remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
3116         if (ug_info->ipCheckSumCheck)
3117                 remoder |= REMODER_IP_CHECKSUM_CHECK;
3118         if (ug_info->ipAddressAlignment)
3119                 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
3120         out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
3121
3122         /* Note that this function must be called */
3123         /* ONLY AFTER p_tx_fw_statistics_pram */
3124         /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
3125         init_firmware_statistics_gathering_mode((ug_info->
3126                 statisticsMode &
3127                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
3128                 (ug_info->statisticsMode &
3129                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
3130                 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
3131                 ugeth->tx_fw_statistics_pram_offset,
3132                 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
3133                 ugeth->rx_fw_statistics_pram_offset,
3134                 &ugeth->p_tx_glbl_pram->temoder,
3135                 &ugeth->p_rx_glbl_pram->remoder);
3136
3137         /* function code register */
3138         ugeth->p_rx_glbl_pram->rstate = function_code;
3139
3140         /* initialize extended filtering */
3141         if (ug_info->rxExtendedFiltering) {
3142                 if (!ug_info->extendedFilteringChainPointer) {
3143                         if (netif_msg_ifup(ugeth))
3144                                 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3145                                           __FUNCTION__);
3146                         ucc_geth_memclean(ugeth);
3147                         return -EINVAL;
3148                 }
3149
3150                 /* Allocate memory for extended filtering Mode Global
3151                 Parameters */
3152                 ugeth->exf_glbl_param_offset =
3153                     qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3154                 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3155                 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3156                         if (netif_msg_ifup(ugeth))
3157                                 ugeth_err
3158                                         ("%s: Can not allocate DPRAM memory for"
3159                                         " p_exf_glbl_param.", __FUNCTION__);
3160                         ucc_geth_memclean(ugeth);
3161                         return -ENOMEM;
3162                 }
3163
3164                 ugeth->p_exf_glbl_param =
3165                     (struct ucc_geth_exf_global_pram *) qe_muram_addr(ugeth->
3166                                  exf_glbl_param_offset);
3167                 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
3168                          ugeth->exf_glbl_param_offset);
3169                 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
3170                          (u32) ug_info->extendedFilteringChainPointer);
3171
3172         } else {                /* initialize 82xx style address filtering */
3173
3174                 /* Init individual address recognition registers to disabled */
3175
3176                 for (j = 0; j < NUM_OF_PADDRS; j++)
3177                         ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
3178
3179                 p_82xx_addr_filt =
3180                     (struct ucc_geth_82xx_address_filtering_pram *) ugeth->
3181                     p_rx_glbl_pram->addressfiltering;
3182
3183                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3184                         ENET_ADDR_TYPE_GROUP);
3185                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3186                         ENET_ADDR_TYPE_INDIVIDUAL);
3187         }
3188
3189         /*
3190          * Initialize UCC at QE level
3191          */
3192
3193         command = QE_INIT_TX_RX;
3194
3195         /* Allocate shadow InitEnet command parameter structure.
3196          * This is needed because after the InitEnet command is executed,
3197          * the structure in DPRAM is released, because DPRAM is a premium
3198          * resource.
3199          * This shadow structure keeps a copy of what was done so that the
3200          * allocated resources can be released when the channel is freed.
3201          */
3202         if (!(ugeth->p_init_enet_param_shadow =
3203               kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3204                 if (netif_msg_ifup(ugeth))
3205                         ugeth_err
3206                             ("%s: Can not allocate memory for"
3207                                 " p_UccInitEnetParamShadows.", __FUNCTION__);
3208                 ucc_geth_memclean(ugeth);
3209                 return -ENOMEM;
3210         }
3211         /* Zero out *p_init_enet_param_shadow */
3212         memset((char *)ugeth->p_init_enet_param_shadow,
3213                0, sizeof(struct ucc_geth_init_pram));
3214
3215         /* Fill shadow InitEnet command parameter structure */
3216
3217         ugeth->p_init_enet_param_shadow->resinit1 =
3218             ENET_INIT_PARAM_MAGIC_RES_INIT1;
3219         ugeth->p_init_enet_param_shadow->resinit2 =
3220             ENET_INIT_PARAM_MAGIC_RES_INIT2;
3221         ugeth->p_init_enet_param_shadow->resinit3 =
3222             ENET_INIT_PARAM_MAGIC_RES_INIT3;
3223         ugeth->p_init_enet_param_shadow->resinit4 =
3224             ENET_INIT_PARAM_MAGIC_RES_INIT4;
3225         ugeth->p_init_enet_param_shadow->resinit5 =
3226             ENET_INIT_PARAM_MAGIC_RES_INIT5;
3227         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3228             ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
3229         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3230             ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
3231
3232         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3233             ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3234         if ((ug_info->largestexternallookupkeysize !=
3235              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
3236             && (ug_info->largestexternallookupkeysize !=
3237                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3238             && (ug_info->largestexternallookupkeysize !=
3239                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3240                 if (netif_msg_ifup(ugeth))
3241                         ugeth_err("%s: Invalid largest External Lookup Key Size.",
3242                                   __FUNCTION__);
3243                 ucc_geth_memclean(ugeth);
3244                 return -EINVAL;
3245         }
3246         ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3247             ug_info->largestexternallookupkeysize;
3248         size = sizeof(struct ucc_geth_thread_rx_pram);
3249         if (ug_info->rxExtendedFiltering) {
3250                 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3251                 if (ug_info->largestexternallookupkeysize ==
3252                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3253                         size +=
3254                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3255                 if (ug_info->largestexternallookupkeysize ==
3256                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3257                         size +=
3258                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3259         }
3260
3261         if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3262                 p_init_enet_param_shadow->rxthread[0]),
3263                 (u8) (numThreadsRxNumerical + 1)
3264                 /* Rx needs one extra for terminator */
3265                 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3266                 ug_info->riscRx, 1)) != 0) {
3267                 if (netif_msg_ifup(ugeth))
3268                                 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3269                                         __FUNCTION__);
3270                 ucc_geth_memclean(ugeth);
3271                 return ret_val;
3272         }
3273
3274         ugeth->p_init_enet_param_shadow->txglobal =
3275             ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3276         if ((ret_val =
3277              fill_init_enet_entries(ugeth,
3278                                     &(ugeth->p_init_enet_param_shadow->
3279                                       txthread[0]), numThreadsTxNumerical,
3280                                     sizeof(struct ucc_geth_thread_tx_pram),
3281                                     UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3282                                     ug_info->riscTx, 0)) != 0) {
3283                 if (netif_msg_ifup(ugeth))
3284                         ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3285                                   __FUNCTION__);
3286                 ucc_geth_memclean(ugeth);
3287                 return ret_val;
3288         }
3289
3290         /* Load Rx bds with buffers */
3291         for (i = 0; i < ug_info->numQueuesRx; i++) {
3292                 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3293                         if (netif_msg_ifup(ugeth))
3294                                 ugeth_err("%s: Can not fill Rx bds with buffers.",
3295                                           __FUNCTION__);
3296                         ucc_geth_memclean(ugeth);
3297                         return ret_val;
3298                 }
3299         }
3300
3301         /* Allocate InitEnet command parameter structure */
3302         init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3303         if (IS_ERR_VALUE(init_enet_pram_offset)) {
3304                 if (netif_msg_ifup(ugeth))
3305                         ugeth_err
3306                             ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3307                              __FUNCTION__);
3308                 ucc_geth_memclean(ugeth);
3309                 return -ENOMEM;
3310         }
3311         p_init_enet_pram =
3312             (struct ucc_geth_init_pram *) qe_muram_addr(init_enet_pram_offset);
3313
3314         /* Copy shadow InitEnet command parameter structure into PRAM */
3315         p_init_enet_pram->resinit1 = ugeth->p_init_enet_param_shadow->resinit1;
3316         p_init_enet_pram->resinit2 = ugeth->p_init_enet_param_shadow->resinit2;
3317         p_init_enet_pram->resinit3 = ugeth->p_init_enet_param_shadow->resinit3;
3318         p_init_enet_pram->resinit4 = ugeth->p_init_enet_param_shadow->resinit4;
3319         out_be16(&p_init_enet_pram->resinit5,
3320                  ugeth->p_init_enet_param_shadow->resinit5);
3321         p_init_enet_pram->largestexternallookupkeysize =
3322             ugeth->p_init_enet_param_shadow->largestexternallookupkeysize;
3323         out_be32(&p_init_enet_pram->rgftgfrxglobal,
3324                  ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3325         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3326                 out_be32(&p_init_enet_pram->rxthread[i],
3327                          ugeth->p_init_enet_param_shadow->rxthread[i]);
3328         out_be32(&p_init_enet_pram->txglobal,
3329                  ugeth->p_init_enet_param_shadow->txglobal);
3330         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3331                 out_be32(&p_init_enet_pram->txthread[i],
3332                          ugeth->p_init_enet_param_shadow->txthread[i]);
3333
3334         /* Issue QE command */
3335         cecr_subblock =
3336             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3337         qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3338                      init_enet_pram_offset);
3339
3340         /* Free InitEnet command parameter */
3341         qe_muram_free(init_enet_pram_offset);
3342
3343         return 0;
3344 }
3345
3346 /* ucc_geth_timeout gets called when a packet has not been
3347  * transmitted after a set amount of time.
3348  * For now, assume that clearing out all the structures, and
3349  * starting over will fix the problem. */
3350 static void ucc_geth_timeout(struct net_device *dev)
3351 {
3352         struct ucc_geth_private *ugeth = netdev_priv(dev);
3353
3354         ugeth_vdbg("%s: IN", __FUNCTION__);
3355
3356         dev->stats.tx_errors++;
3357
3358         ugeth_dump_regs(ugeth);
3359
3360         if (dev->flags & IFF_UP) {
3361                 ucc_geth_stop(ugeth);
3362                 ucc_geth_startup(ugeth);
3363         }
3364
3365         netif_schedule(dev);
3366 }
3367
3368 /* This is called by the kernel when a frame is ready for transmission. */
3369 /* It is pointed to by the dev->hard_start_xmit function pointer */
3370 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3371 {
3372         struct ucc_geth_private *ugeth = netdev_priv(dev);
3373 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3374         struct ucc_fast_private *uccf;
3375 #endif
3376         u8 *bd;                 /* BD pointer */
3377         u32 bd_status;
3378         u8 txQ = 0;
3379
3380         ugeth_vdbg("%s: IN", __FUNCTION__);
3381
3382         spin_lock_irq(&ugeth->lock);
3383
3384         dev->stats.tx_bytes += skb->len;
3385
3386         /* Start from the next BD that should be filled */
3387         bd = ugeth->txBd[txQ];
3388         bd_status = in_be32((u32 *)bd);
3389         /* Save the skb pointer so we can free it later */
3390         ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3391
3392         /* Update the current skb pointer (wrapping if this was the last) */
3393         ugeth->skb_curtx[txQ] =
3394             (ugeth->skb_curtx[txQ] +
3395              1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3396
3397         /* set up the buffer descriptor */
3398         out_be32(&((struct qe_bd *)bd)->buf,
3399                       dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE));
3400
3401         /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3402
3403         bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3404
3405         /* set bd status and length */
3406         out_be32((u32 *)bd, bd_status);
3407
3408         dev->trans_start = jiffies;
3409
3410         /* Move to next BD in the ring */
3411         if (!(bd_status & T_W))
3412                 bd += sizeof(struct qe_bd);
3413         else
3414                 bd = ugeth->p_tx_bd_ring[txQ];
3415
3416         /* If the next BD still needs to be cleaned up, then the bds
3417            are full.  We need to tell the kernel to stop sending us stuff. */
3418         if (bd == ugeth->confBd[txQ]) {
3419                 if (!netif_queue_stopped(dev))
3420                         netif_stop_queue(dev);
3421         }
3422
3423         ugeth->txBd[txQ] = bd;
3424
3425         if (ugeth->p_scheduler) {
3426                 ugeth->cpucount[txQ]++;
3427                 /* Indicate to QE that there are more Tx bds ready for
3428                 transmission */
3429                 /* This is done by writing a running counter of the bd
3430                 count to the scheduler PRAM. */
3431                 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3432         }
3433
3434 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3435         uccf = ugeth->uccf;
3436         out_be16(uccf->p_utodr, UCC_FAST_TOD);
3437 #endif
3438         spin_unlock_irq(&ugeth->lock);
3439
3440         return 0;
3441 }
3442
3443 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3444 {
3445         struct sk_buff *skb;
3446         u8 *bd;
3447         u16 length, howmany = 0;
3448         u32 bd_status;
3449         u8 *bdBuffer;
3450         struct net_device *dev;
3451
3452         ugeth_vdbg("%s: IN", __FUNCTION__);
3453
3454         dev = ugeth->dev;
3455
3456         /* collect received buffers */
3457         bd = ugeth->rxBd[rxQ];
3458
3459         bd_status = in_be32((u32 *)bd);
3460
3461         /* while there are received buffers and BD is full (~R_E) */
3462         while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3463                 bdBuffer = (u8 *) in_be32(&((struct qe_bd *)bd)->buf);
3464                 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3465                 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3466
3467                 /* determine whether buffer is first, last, first and last
3468                 (single buffer frame) or middle (not first and not last) */
3469                 if (!skb ||
3470                     (!(bd_status & (R_F | R_L))) ||
3471                     (bd_status & R_ERRORS_FATAL)) {
3472                         if (netif_msg_rx_err(ugeth))
3473                                 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3474                                            __FUNCTION__, __LINE__, (u32) skb);
3475                         if (skb)
3476                                 dev_kfree_skb_any(skb);
3477
3478                         ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3479                         dev->stats.rx_dropped++;
3480                 } else {
3481                         dev->stats.rx_packets++;
3482                         howmany++;
3483
3484                         /* Prep the skb for the packet */
3485                         skb_put(skb, length);
3486
3487                         /* Tell the skb what kind of packet this is */
3488                         skb->protocol = eth_type_trans(skb, ugeth->dev);
3489
3490                         dev->stats.rx_bytes += length;
3491                         /* Send the packet up the stack */
3492 #ifdef CONFIG_UGETH_NAPI
3493                         netif_receive_skb(skb);
3494 #else
3495                         netif_rx(skb);
3496 #endif                          /* CONFIG_UGETH_NAPI */
3497                 }
3498
3499                 ugeth->dev->last_rx = jiffies;
3500
3501                 skb = get_new_skb(ugeth, bd);
3502                 if (!skb) {
3503                         if (netif_msg_rx_err(ugeth))
3504                                 ugeth_warn("%s: No Rx Data Buffer", __FUNCTION__);
3505                         dev->stats.rx_dropped++;
3506                         break;
3507                 }
3508
3509                 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3510
3511                 /* update to point at the next skb */
3512                 ugeth->skb_currx[rxQ] =
3513                     (ugeth->skb_currx[rxQ] +
3514                      1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3515
3516                 if (bd_status & R_W)
3517                         bd = ugeth->p_rx_bd_ring[rxQ];
3518                 else
3519                         bd += sizeof(struct qe_bd);
3520
3521                 bd_status = in_be32((u32 *)bd);
3522         }
3523
3524         ugeth->rxBd[rxQ] = bd;
3525         return howmany;
3526 }
3527
3528 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3529 {
3530         /* Start from the next BD that should be filled */
3531         struct ucc_geth_private *ugeth = netdev_priv(dev);
3532         u8 *bd;                 /* BD pointer */
3533         u32 bd_status;
3534
3535         bd = ugeth->confBd[txQ];
3536         bd_status = in_be32((u32 *)bd);
3537
3538         /* Normal processing. */
3539         while ((bd_status & T_R) == 0) {
3540                 /* BD contains already transmitted buffer.   */
3541                 /* Handle the transmitted buffer and release */
3542                 /* the BD to be used with the current frame  */
3543
3544                 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3545                         break;
3546
3547                 dev->stats.tx_packets++;
3548
3549                 /* Free the sk buffer associated with this TxBD */
3550                 dev_kfree_skb_irq(ugeth->
3551                                   tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3552                 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3553                 ugeth->skb_dirtytx[txQ] =
3554                     (ugeth->skb_dirtytx[txQ] +
3555                      1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3556
3557                 /* We freed a buffer, so now we can restart transmission */
3558                 if (netif_queue_stopped(dev))
3559                         netif_wake_queue(dev);
3560
3561                 /* Advance the confirmation BD pointer */
3562                 if (!(bd_status & T_W))
3563                         bd += sizeof(struct qe_bd);
3564                 else
3565                         bd = ugeth->p_tx_bd_ring[txQ];
3566                 bd_status = in_be32((u32 *)bd);
3567         }
3568         ugeth->confBd[txQ] = bd;
3569         return 0;
3570 }
3571
3572 #ifdef CONFIG_UGETH_NAPI
3573 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3574 {
3575         struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3576         struct net_device *dev = ugeth->dev;
3577         struct ucc_geth_info *ug_info;
3578         int howmany, i;
3579
3580         ug_info = ugeth->ug_info;
3581
3582         howmany = 0;
3583         for (i = 0; i < ug_info->numQueuesRx; i++)
3584                 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3585
3586         if (howmany < budget) {
3587                 struct ucc_fast_private *uccf;
3588                 u32 uccm;
3589
3590                 netif_rx_complete(dev, napi);
3591                 uccf = ugeth->uccf;
3592                 uccm = in_be32(uccf->p_uccm);
3593                 uccm |= UCCE_RX_EVENTS;
3594                 out_be32(uccf->p_uccm, uccm);
3595         }
3596
3597         return howmany;
3598 }
3599 #endif                          /* CONFIG_UGETH_NAPI */
3600
3601 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3602 {
3603         struct net_device *dev = info;
3604         struct ucc_geth_private *ugeth = netdev_priv(dev);
3605         struct ucc_fast_private *uccf;
3606         struct ucc_geth_info *ug_info;
3607         register u32 ucce;
3608         register u32 uccm;
3609 #ifndef CONFIG_UGETH_NAPI
3610         register u32 rx_mask;
3611 #endif
3612         register u32 tx_mask;
3613         u8 i;
3614
3615         ugeth_vdbg("%s: IN", __FUNCTION__);
3616
3617         if (!ugeth)
3618                 return IRQ_NONE;
3619
3620         uccf = ugeth->uccf;
3621         ug_info = ugeth->ug_info;
3622
3623         /* read and clear events */
3624         ucce = (u32) in_be32(uccf->p_ucce);
3625         uccm = (u32) in_be32(uccf->p_uccm);
3626         ucce &= uccm;
3627         out_be32(uccf->p_ucce, ucce);
3628
3629         /* check for receive events that require processing */
3630         if (ucce & UCCE_RX_EVENTS) {
3631 #ifdef CONFIG_UGETH_NAPI
3632                 if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
3633                         uccm &= ~UCCE_RX_EVENTS;
3634                         out_be32(uccf->p_uccm, uccm);
3635                         __netif_rx_schedule(dev, &ugeth->napi);
3636                 }
3637 #else
3638                 rx_mask = UCCE_RXBF_SINGLE_MASK;
3639                 for (i = 0; i < ug_info->numQueuesRx; i++) {
3640                         if (ucce & rx_mask)
3641                                 ucc_geth_rx(ugeth, i, (int)ugeth->ug_info->bdRingLenRx[i]);
3642                         ucce &= ~rx_mask;
3643                         rx_mask <<= 1;
3644                 }
3645 #endif /* CONFIG_UGETH_NAPI */
3646         }
3647
3648         /* Tx event processing */
3649         if (ucce & UCCE_TX_EVENTS) {
3650                 spin_lock(&ugeth->lock);
3651                 tx_mask = UCCE_TXBF_SINGLE_MASK;
3652                 for (i = 0; i < ug_info->numQueuesTx; i++) {
3653                         if (ucce & tx_mask)
3654                                 ucc_geth_tx(dev, i);
3655                         ucce &= ~tx_mask;
3656                         tx_mask <<= 1;
3657                 }
3658                 spin_unlock(&ugeth->lock);
3659         }
3660
3661         /* Errors and other events */
3662         if (ucce & UCCE_OTHER) {
3663                 if (ucce & UCCE_BSY) {
3664                         dev->stats.rx_errors++;
3665                 }
3666                 if (ucce & UCCE_TXE) {
3667                         dev->stats.tx_errors++;
3668                 }
3669         }
3670
3671         return IRQ_HANDLED;
3672 }
3673
3674 /* Called when something needs to use the ethernet device */
3675 /* Returns 0 for success. */
3676 static int ucc_geth_open(struct net_device *dev)
3677 {
3678         struct ucc_geth_private *ugeth = netdev_priv(dev);
3679         int err;
3680
3681         ugeth_vdbg("%s: IN", __FUNCTION__);
3682
3683         /* Test station address */
3684         if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3685                 if (netif_msg_ifup(ugeth))
3686                         ugeth_err("%s: Multicast address used for station address"
3687                                   " - is this what you wanted?", __FUNCTION__);
3688                 return -EINVAL;
3689         }
3690
3691         err = ucc_struct_init(ugeth);
3692         if (err) {
3693                 if (netif_msg_ifup(ugeth))
3694                         ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3695                 return err;
3696         }
3697
3698 #ifdef CONFIG_UGETH_NAPI
3699         napi_enable(&ugeth->napi);
3700 #endif
3701         err = ucc_geth_startup(ugeth);
3702         if (err) {
3703                 if (netif_msg_ifup(ugeth))
3704                         ugeth_err("%s: Cannot configure net device, aborting.",
3705                                   dev->name);
3706                 goto out_err;
3707         }
3708
3709         err = adjust_enet_interface(ugeth);
3710         if (err) {
3711                 if (netif_msg_ifup(ugeth))
3712                         ugeth_err("%s: Cannot configure net device, aborting.",
3713                                   dev->name);
3714                 goto out_err;
3715         }
3716
3717         /*       Set MACSTNADDR1, MACSTNADDR2                */
3718         /* For more details see the hardware spec.           */
3719         init_mac_station_addr_regs(dev->dev_addr[0],
3720                                    dev->dev_addr[1],
3721                                    dev->dev_addr[2],
3722                                    dev->dev_addr[3],
3723                                    dev->dev_addr[4],
3724                                    dev->dev_addr[5],
3725                                    &ugeth->ug_regs->macstnaddr1,
3726                                    &ugeth->ug_regs->macstnaddr2);
3727
3728         err = init_phy(dev);
3729         if (err) {
3730                 if (netif_msg_ifup(ugeth))
3731                         ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3732                 goto out_err;
3733         }
3734
3735         phy_start(ugeth->phydev);
3736
3737         err =
3738             request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0,
3739                         "UCC Geth", dev);
3740         if (err) {
3741                 if (netif_msg_ifup(ugeth))
3742                         ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3743                                   dev->name);
3744                 ucc_geth_stop(ugeth);
3745                 goto out_err;
3746         }
3747
3748         err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3749         if (err) {
3750                 if (netif_msg_ifup(ugeth))
3751                         ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3752                 ucc_geth_stop(ugeth);
3753                 goto out_err;
3754         }
3755
3756         netif_start_queue(dev);
3757
3758         return err;
3759
3760 out_err:
3761 #ifdef CONFIG_UGETH_NAPI
3762         napi_disable(&ugeth->napi);
3763 #endif
3764         return err;
3765 }
3766
3767 /* Stops the kernel queue, and halts the controller */
3768 static int ucc_geth_close(struct net_device *dev)
3769 {
3770         struct ucc_geth_private *ugeth = netdev_priv(dev);
3771
3772         ugeth_vdbg("%s: IN", __FUNCTION__);
3773
3774 #ifdef CONFIG_UGETH_NAPI
3775         napi_disable(&ugeth->napi);
3776 #endif
3777
3778         ucc_geth_stop(ugeth);
3779
3780         phy_disconnect(ugeth->phydev);
3781         ugeth->phydev = NULL;
3782
3783         netif_stop_queue(dev);
3784
3785         return 0;
3786 }
3787
3788 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3789 {
3790         if (strcasecmp(phy_connection_type, "mii") == 0)
3791                 return PHY_INTERFACE_MODE_MII;
3792         if (strcasecmp(phy_connection_type, "gmii") == 0)
3793                 return PHY_INTERFACE_MODE_GMII;
3794         if (strcasecmp(phy_connection_type, "tbi") == 0)
3795                 return PHY_INTERFACE_MODE_TBI;
3796         if (strcasecmp(phy_connection_type, "rmii") == 0)
3797                 return PHY_INTERFACE_MODE_RMII;
3798         if (strcasecmp(phy_connection_type, "rgmii") == 0)
3799                 return PHY_INTERFACE_MODE_RGMII;
3800         if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3801                 return PHY_INTERFACE_MODE_RGMII_ID;
3802         if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3803                 return PHY_INTERFACE_MODE_RGMII_TXID;
3804         if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3805                 return PHY_INTERFACE_MODE_RGMII_RXID;
3806         if (strcasecmp(phy_connection_type, "rtbi") == 0)
3807                 return PHY_INTERFACE_MODE_RTBI;
3808
3809         return PHY_INTERFACE_MODE_MII;
3810 }
3811
3812 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3813 {
3814         struct device *device = &ofdev->dev;
3815         struct device_node *np = ofdev->node;
3816         struct device_node *mdio;
3817         struct net_device *dev = NULL;
3818         struct ucc_geth_private *ugeth = NULL;
3819         struct ucc_geth_info *ug_info;
3820         struct resource res;
3821         struct device_node *phy;
3822         int err, ucc_num, max_speed = 0;
3823         const phandle *ph;
3824         const unsigned int *prop;
3825         const void *mac_addr;
3826         phy_interface_t phy_interface;
3827         static const int enet_to_speed[] = {
3828                 SPEED_10, SPEED_10, SPEED_10,
3829                 SPEED_100, SPEED_100, SPEED_100,
3830                 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3831         };
3832         static const phy_interface_t enet_to_phy_interface[] = {
3833                 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3834                 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3835                 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3836                 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3837                 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3838         };
3839
3840         ugeth_vdbg("%s: IN", __FUNCTION__);
3841
3842         prop = of_get_property(np, "device-id", NULL);
3843         ucc_num = *prop - 1;
3844         if ((ucc_num < 0) || (ucc_num > 7))
3845                 return -ENODEV;
3846
3847         ug_info = &ugeth_info[ucc_num];
3848         if (ug_info == NULL) {
3849                 if (netif_msg_probe(&debug))
3850                         ugeth_err("%s: [%d] Missing additional data!",
3851                                         __FUNCTION__, ucc_num);
3852                 return -ENODEV;
3853         }
3854
3855         ug_info->uf_info.ucc_num = ucc_num;
3856
3857         prop = of_get_property(np, "rx-clock", NULL);
3858         ug_info->uf_info.rx_clock = *prop;
3859         prop = of_get_property(np, "tx-clock", NULL);
3860         ug_info->uf_info.tx_clock = *prop;
3861         err = of_address_to_resource(np, 0, &res);
3862         if (err)
3863                 return -EINVAL;
3864
3865         ug_info->uf_info.regs = res.start;
3866         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3867
3868         ph = of_get_property(np, "phy-handle", NULL);
3869         phy = of_find_node_by_phandle(*ph);
3870
3871         if (phy == NULL)
3872                 return -ENODEV;
3873
3874         /* set the PHY address */
3875         prop = of_get_property(phy, "reg", NULL);
3876         if (prop == NULL)
3877                 return -1;
3878         ug_info->phy_address = *prop;
3879
3880         /* get the phy interface type, or default to MII */
3881         prop = of_get_property(np, "phy-connection-type", NULL);
3882         if (!prop) {
3883                 /* handle interface property present in old trees */
3884                 prop = of_get_property(phy, "interface", NULL);
3885                 if (prop != NULL) {
3886                         phy_interface = enet_to_phy_interface[*prop];
3887                         max_speed = enet_to_speed[*prop];
3888                 } else
3889                         phy_interface = PHY_INTERFACE_MODE_MII;
3890         } else {
3891                 phy_interface = to_phy_interface((const char *)prop);
3892         }
3893
3894         /* get speed, or derive from PHY interface */
3895         if (max_speed == 0)
3896                 switch (phy_interface) {
3897                 case PHY_INTERFACE_MODE_GMII:
3898                 case PHY_INTERFACE_MODE_RGMII:
3899                 case PHY_INTERFACE_MODE_RGMII_ID:
3900                 case PHY_INTERFACE_MODE_RGMII_RXID:
3901                 case PHY_INTERFACE_MODE_RGMII_TXID:
3902                 case PHY_INTERFACE_MODE_TBI:
3903                 case PHY_INTERFACE_MODE_RTBI:
3904                         max_speed = SPEED_1000;
3905                         break;
3906                 default:
3907                         max_speed = SPEED_100;
3908                         break;
3909                 }
3910
3911         if (max_speed == SPEED_1000) {
3912                 /* configure muram FIFOs for gigabit operation */
3913                 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3914                 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3915                 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3916                 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3917                 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3918                 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3919         }
3920
3921         /* Set the bus id */
3922         mdio = of_get_parent(phy);
3923
3924         if (mdio == NULL)
3925                 return -1;
3926
3927         err = of_address_to_resource(mdio, 0, &res);
3928         of_node_put(mdio);
3929
3930         if (err)
3931                 return -1;
3932
3933         ug_info->mdio_bus = res.start;
3934
3935         if (netif_msg_probe(&debug))
3936                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3937                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3938                         ug_info->uf_info.irq);
3939
3940         /* Create an ethernet device instance */
3941         dev = alloc_etherdev(sizeof(*ugeth));
3942
3943         if (dev == NULL)
3944                 return -ENOMEM;
3945
3946         ugeth = netdev_priv(dev);
3947         spin_lock_init(&ugeth->lock);
3948
3949         dev_set_drvdata(device, dev);
3950
3951         /* Set the dev->base_addr to the gfar reg region */
3952         dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3953
3954         SET_NETDEV_DEV(dev, device);
3955
3956         /* Fill in the dev structure */
3957         uec_set_ethtool_ops(dev);
3958         dev->open = ucc_geth_open;
3959         dev->hard_start_xmit = ucc_geth_start_xmit;
3960         dev->tx_timeout = ucc_geth_timeout;
3961         dev->watchdog_timeo = TX_TIMEOUT;
3962 #ifdef CONFIG_UGETH_NAPI
3963         netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
3964 #endif                          /* CONFIG_UGETH_NAPI */
3965         dev->stop = ucc_geth_close;
3966 //    dev->change_mtu = ucc_geth_change_mtu;
3967         dev->mtu = 1500;
3968         dev->set_multicast_list = ucc_geth_set_multi;
3969
3970         ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3971         ugeth->phy_interface = phy_interface;
3972         ugeth->max_speed = max_speed;
3973
3974         err = register_netdev(dev);
3975         if (err) {
3976                 if (netif_msg_probe(ugeth))
3977                         ugeth_err("%s: Cannot register net device, aborting.",
3978                                   dev->name);
3979                 free_netdev(dev);
3980                 return err;
3981         }
3982
3983         mac_addr = of_get_mac_address(np);
3984         if (mac_addr)
3985                 memcpy(dev->dev_addr, mac_addr, 6);
3986
3987         ugeth->ug_info = ug_info;
3988         ugeth->dev = dev;
3989
3990         return 0;
3991 }
3992
3993 static int ucc_geth_remove(struct of_device* ofdev)
3994 {
3995         struct device *device = &ofdev->dev;
3996         struct net_device *dev = dev_get_drvdata(device);
3997         struct ucc_geth_private *ugeth = netdev_priv(dev);
3998
3999         dev_set_drvdata(device, NULL);
4000         ucc_geth_memclean(ugeth);
4001         free_netdev(dev);
4002
4003         return 0;
4004 }
4005
4006 static struct of_device_id ucc_geth_match[] = {
4007         {
4008                 .type = "network",
4009                 .compatible = "ucc_geth",
4010         },
4011         {},
4012 };
4013
4014 MODULE_DEVICE_TABLE(of, ucc_geth_match);
4015
4016 static struct of_platform_driver ucc_geth_driver = {
4017         .name           = DRV_NAME,
4018         .match_table    = ucc_geth_match,
4019         .probe          = ucc_geth_probe,
4020         .remove         = ucc_geth_remove,
4021 };
4022
4023 static int __init ucc_geth_init(void)
4024 {
4025         int i, ret;
4026
4027         ret = uec_mdio_init();
4028
4029         if (ret)
4030                 return ret;
4031
4032         if (netif_msg_drv(&debug))
4033                 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4034         for (i = 0; i < 8; i++)
4035                 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4036                        sizeof(ugeth_primary_info));
4037
4038         ret = of_register_platform_driver(&ucc_geth_driver);
4039
4040         if (ret)
4041                 uec_mdio_exit();
4042
4043         return ret;
4044 }
4045
4046 static void __exit ucc_geth_exit(void)
4047 {
4048         of_unregister_platform_driver(&ucc_geth_driver);
4049         uec_mdio_exit();
4050 }
4051
4052 module_init(ucc_geth_init);
4053 module_exit(ucc_geth_exit);
4054
4055 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4056 MODULE_DESCRIPTION(DRV_DESC);
4057 MODULE_VERSION(DRV_VERSION);
4058 MODULE_LICENSE("GPL");