drivers/net/ucc_geth.c

   1 /*
   2  * Copyright (C) 2006-2009 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/mii.h>
  28 #include <linux/phy.h>
  29 #include <linux/workqueue.h>
  30 #include <linux/of_mdio.h>
  31 #include <linux/of_net.h>
  32 #include <linux/of_platform.h>
  33
  34 #include <asm/uaccess.h>
  35 #include <asm/irq.h>
  36 #include <asm/io.h>
  37 #include <asm/immap_qe.h>
  38 #include <asm/qe.h>
  39 #include <asm/ucc.h>
  40 #include <asm/ucc_fast.h>
  41 #include <asm/machdep.h>
  42
  43 #include "ucc_geth.h"
  44 #include "fsl_pq_mdio.h"
  45
  46 #undef DEBUG
  47
  48 #define ugeth_printk(level, format, arg...)  \
  49         printk(level format "\n", ## arg)
  50
  51 #define ugeth_dbg(format, arg...)            \
  52         ugeth_printk(KERN_DEBUG , format , ## arg)
  53 #define ugeth_err(format, arg...)            \
  54         ugeth_printk(KERN_ERR , format , ## arg)
  55 #define ugeth_info(format, arg...)           \
  56         ugeth_printk(KERN_INFO , format , ## arg)
  57 #define ugeth_warn(format, arg...)           \
  58         ugeth_printk(KERN_WARNING , format , ## arg)
  59
  60 #ifdef UGETH_VERBOSE_DEBUG
  61 #define ugeth_vdbg ugeth_dbg
  62 #else
  63 #define ugeth_vdbg(fmt, args...) do { } while (0)
  64 #endif                          /* UGETH_VERBOSE_DEBUG */
  65 #define UGETH_MSG_DEFAULT       (NETIF_MSG_IFUP << 1 ) - 1
  66
  67
  68 static DEFINE_SPINLOCK(ugeth_lock);
  69
  70 static struct {
  71         u32 msg_enable;
  72 } debug = { -1 };
  73
  74 module_param_named(debug, debug.msg_enable, int, 0);
  75 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
  76
  77 static struct ucc_geth_info ugeth_primary_info = {
  78         .uf_info = {
  79                     .bd_mem_part = MEM_PART_SYSTEM,
  80                     .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
  81                     .max_rx_buf_length = 1536,
  82                     /* adjusted at startup if max-speed 1000 */
  83                     .urfs = UCC_GETH_URFS_INIT,
  84                     .urfet = UCC_GETH_URFET_INIT,
  85                     .urfset = UCC_GETH_URFSET_INIT,
  86                     .utfs = UCC_GETH_UTFS_INIT,
  87                     .utfet = UCC_GETH_UTFET_INIT,
  88                     .utftt = UCC_GETH_UTFTT_INIT,
  89                     .ufpt = 256,
  90                     .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
  91                     .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
  92                     .tenc = UCC_FAST_TX_ENCODING_NRZ,
  93                     .renc = UCC_FAST_RX_ENCODING_NRZ,
  94                     .tcrc = UCC_FAST_16_BIT_CRC,
  95                     .synl = UCC_FAST_SYNC_LEN_NOT_USED,
  96                     },
  97         .numQueuesTx = 1,
  98         .numQueuesRx = 1,
  99         .extendedFilteringChainPointer = ((uint32_t) NULL),
 100         .typeorlen = 3072 /*1536 */ ,
 101         .nonBackToBackIfgPart1 = 0x40,
 102         .nonBackToBackIfgPart2 = 0x60,
 103         .miminumInterFrameGapEnforcement = 0x50,
 104         .backToBackInterFrameGap = 0x60,
 105         .mblinterval = 128,
 106         .nortsrbytetime = 5,
 107         .fracsiz = 1,
 108         .strictpriorityq = 0xff,
 109         .altBebTruncation = 0xa,
 110         .excessDefer = 1,
 111         .maxRetransmission = 0xf,
 112         .collisionWindow = 0x37,
 113         .receiveFlowControl = 1,
 114         .transmitFlowControl = 1,
 115         .maxGroupAddrInHash = 4,
 116         .maxIndAddrInHash = 4,
 117         .prel = 7,
 118         .maxFrameLength = 1518,
 119         .minFrameLength = 64,
 120         .maxD1Length = 1520,
 121         .maxD2Length = 1520,
 122         .vlantype = 0x8100,
 123         .ecamptr = ((uint32_t) NULL),
 124         .eventRegMask = UCCE_OTHER,
 125         .pausePeriod = 0xf000,
 126         .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
 127         .bdRingLenTx = {
 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                         TX_BD_RING_LEN},
 136
 137         .bdRingLenRx = {
 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                         RX_BD_RING_LEN},
 146
 147         .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
 148         .largestexternallookupkeysize =
 149             QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
 150         .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
 151                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
 152                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
 153         .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
 154         .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
 155         .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
 156         .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
 157         .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
 158         .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
 159         .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
 160         .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 161         .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
 162 };
 163
 164 static struct ucc_geth_info ugeth_info[8];
 165
 166 #ifdef DEBUG
 167 static void mem_disp(u8 *addr, int size)
 168 {
 169         u8 *i;
 170         int size16Aling = (size >> 4) << 4;
 171         int size4Aling = (size >> 2) << 2;
 172         int notAlign = 0;
 173         if (size % 16)
 174                 notAlign = 1;
 175
 176         for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
 177                 printk("0x%08x: %08x %08x %08x %08x\r\n",
 178                        (u32) i,
 179                        *((u32 *) (i)),
 180                        *((u32 *) (i + 4)),
 181                        *((u32 *) (i + 8)), *((u32 *) (i + 12)));
 182         if (notAlign == 1)
 183                 printk("0x%08x: ", (u32) i);
 184         for (; (u32) i < (u32) addr + size4Aling; i += 4)
 185                 printk("%08x ", *((u32 *) (i)));
 186         for (; (u32) i < (u32) addr + size; i++)
 187                 printk("%02x", *((u8 *) (i)));
 188         if (notAlign == 1)
 189                 printk("\r\n");
 190 }
 191 #endif /* DEBUG */
 192
 193 static struct list_head *dequeue(struct list_head *lh)
 194 {
 195         unsigned long flags;
 196
 197         spin_lock_irqsave(&ugeth_lock, flags);
 198         if (!list_empty(lh)) {
 199                 struct list_head *node = lh->next;
 200                 list_del(node);
 201                 spin_unlock_irqrestore(&ugeth_lock, flags);
 202                 return node;
 203         } else {
 204                 spin_unlock_irqrestore(&ugeth_lock, flags);
 205                 return NULL;
 206         }
 207 }
 208
 209 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
 210                 u8 __iomem *bd)
 211 {
 212         struct sk_buff *skb = NULL;
 213
 214         skb = __skb_dequeue(&ugeth->rx_recycle);
 215         if (!skb)
 216                 skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
 217                                     UCC_GETH_RX_DATA_BUF_ALIGNMENT);
 218         if (skb == NULL)
 219                 return NULL;
 220
 221         /* We need the data buffer to be aligned properly.  We will reserve
 222          * as many bytes as needed to align the data properly
 223          */
 224         skb_reserve(skb,
 225                     UCC_GETH_RX_DATA_BUF_ALIGNMENT -
 226                     (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
 227                                               1)));
 228
 229         skb->dev = ugeth->ndev;
 230
 231         out_be32(&((struct qe_bd __iomem *)bd)->buf,
 232                       dma_map_single(ugeth->dev,
 233                                      skb->data,
 234                                      ugeth->ug_info->uf_info.max_rx_buf_length +
 235                                      UCC_GETH_RX_DATA_BUF_ALIGNMENT,
 236                                      DMA_FROM_DEVICE));
 237
 238         out_be32((u32 __iomem *)bd,
 239                         (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
 240
 241         return skb;
 242 }
 243
 244 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
 245 {
 246         u8 __iomem *bd;
 247         u32 bd_status;
 248         struct sk_buff *skb;
 249         int i;
 250
 251         bd = ugeth->p_rx_bd_ring[rxQ];
 252         i = 0;
 253
 254         do {
 255                 bd_status = in_be32((u32 __iomem *)bd);
 256                 skb = get_new_skb(ugeth, bd);
 257
 258                 if (!skb)       /* If can not allocate data buffer,
 259                                 abort. Cleanup will be elsewhere */
 260                         return -ENOMEM;
 261
 262                 ugeth->rx_skbuff[rxQ][i] = skb;
 263
 264                 /* advance the BD pointer */
 265                 bd += sizeof(struct qe_bd);
 266                 i++;
 267         } while (!(bd_status & R_W));
 268
 269         return 0;
 270 }
 271
 272 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
 273                                   u32 *p_start,
 274                                   u8 num_entries,
 275                                   u32 thread_size,
 276                                   u32 thread_alignment,
 277                                   unsigned int risc,
 278                                   int skip_page_for_first_entry)
 279 {
 280         u32 init_enet_offset;
 281         u8 i;
 282         int snum;
 283
 284         for (i = 0; i < num_entries; i++) {
 285                 if ((snum = qe_get_snum()) < 0) {
 286                         if (netif_msg_ifup(ugeth))
 287                                 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
 288                         return snum;
 289                 }
 290                 if ((i == 0) && skip_page_for_first_entry)
 291                 /* First entry of Rx does not have page */
 292                         init_enet_offset = 0;
 293                 else {
 294                         init_enet_offset =
 295                             qe_muram_alloc(thread_size, thread_alignment);
 296                         if (IS_ERR_VALUE(init_enet_offset)) {
 297                                 if (netif_msg_ifup(ugeth))
 298                                         ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
 299                                 qe_put_snum((u8) snum);
 300                                 return -ENOMEM;
 301                         }
 302                 }
 303                 *(p_start++) =
 304                     ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
 305                     | risc;
 306         }
 307
 308         return 0;
 309 }
 310
 311 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
 312                                     u32 *p_start,
 313                                     u8 num_entries,
 314                                     unsigned int risc,
 315                                     int skip_page_for_first_entry)
 316 {
 317         u32 init_enet_offset;
 318         u8 i;
 319         int snum;
 320
 321         for (i = 0; i < num_entries; i++) {
 322                 u32 val = *p_start;
 323
 324                 /* Check that this entry was actually valid --
 325                 needed in case failed in allocations */
 326                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
 327                         snum =
 328                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
 329                             ENET_INIT_PARAM_SNUM_SHIFT;
 330                         qe_put_snum((u8) snum);
 331                         if (!((i == 0) && skip_page_for_first_entry)) {
 332                         /* First entry of Rx does not have page */
 333                                 init_enet_offset =
 334                                     (val & ENET_INIT_PARAM_PTR_MASK);
 335                                 qe_muram_free(init_enet_offset);
 336                         }
 337                         *p_start++ = 0;
 338                 }
 339         }
 340
 341         return 0;
 342 }
 343
 344 #ifdef DEBUG
 345 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
 346                                   u32 __iomem *p_start,
 347                                   u8 num_entries,
 348                                   u32 thread_size,
 349                                   unsigned int risc,
 350                                   int skip_page_for_first_entry)
 351 {
 352         u32 init_enet_offset;
 353         u8 i;
 354         int snum;
 355
 356         for (i = 0; i < num_entries; i++) {
 357                 u32 val = in_be32(p_start);
 358
 359                 /* Check that this entry was actually valid --
 360                 needed in case failed in allocations */
 361                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
 362                         snum =
 363                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
 364                             ENET_INIT_PARAM_SNUM_SHIFT;
 365                         qe_put_snum((u8) snum);
 366                         if (!((i == 0) && skip_page_for_first_entry)) {
 367                         /* First entry of Rx does not have page */
 368                                 init_enet_offset =
 369                                     (in_be32(p_start) &
 370                                      ENET_INIT_PARAM_PTR_MASK);
 371                                 ugeth_info("Init enet entry %d:", i);
 372                                 ugeth_info("Base address: 0x%08x",
 373                                            (u32)
 374                                            qe_muram_addr(init_enet_offset));
 375                                 mem_disp(qe_muram_addr(init_enet_offset),
 376                                          thread_size);
 377                         }
 378                         p_start++;
 379                 }
 380         }
 381
 382         return 0;
 383 }
 384 #endif
 385
 386 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
 387 {
 388         kfree(enet_addr_cont);
 389 }
 390
 391 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
 392 {
 393         out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
 394         out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
 395         out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
 396 }
 397
 398 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
 399 {
 400         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
 401
 402         if (!(paddr_num < NUM_OF_PADDRS)) {
 403                 ugeth_warn("%s: Illagel paddr_num.", __func__);
 404                 return -EINVAL;
 405         }
 406
 407         p_82xx_addr_filt =
 408             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
 409             addressfiltering;
 410
 411         /* Writing address ff.ff.ff.ff.ff.ff disables address
 412         recognition for this register */
 413         out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
 414         out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
 415         out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
 416
 417         return 0;
 418 }
 419
 420 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
 421                                 u8 *p_enet_addr)
 422 {
 423         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
 424         u32 cecr_subblock;
 425
 426         p_82xx_addr_filt =
 427             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
 428             addressfiltering;
 429
 430         cecr_subblock =
 431             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
 432
 433         /* Ethernet frames are defined in Little Endian mode,
 434         therefore to insert */
 435         /* the address to the hash (Big Endian mode), we reverse the bytes.*/
 436
 437         set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
 438
 439         qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
 440                      QE_CR_PROTOCOL_ETHERNET, 0);
 441 }
 442
 443 static inline int compare_addr(u8 **addr1, u8 **addr2)
 444 {
 445         return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
 446 }
 447
 448 #ifdef DEBUG
 449 static void get_statistics(struct ucc_geth_private *ugeth,
 450                            struct ucc_geth_tx_firmware_statistics *
 451                            tx_firmware_statistics,
 452                            struct ucc_geth_rx_firmware_statistics *
 453                            rx_firmware_statistics,
 454                            struct ucc_geth_hardware_statistics *hardware_statistics)
 455 {
 456         struct ucc_fast __iomem *uf_regs;
 457         struct ucc_geth __iomem *ug_regs;
 458         struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
 459         struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
 460
 461         ug_regs = ugeth->ug_regs;
 462         uf_regs = (struct ucc_fast __iomem *) ug_regs;
 463         p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
 464         p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
 465
 466         /* Tx firmware only if user handed pointer and driver actually
 467         gathers Tx firmware statistics */
 468         if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
 469                 tx_firmware_statistics->sicoltx =
 470                     in_be32(&p_tx_fw_statistics_pram->sicoltx);
 471                 tx_firmware_statistics->mulcoltx =
 472                     in_be32(&p_tx_fw_statistics_pram->mulcoltx);
 473                 tx_firmware_statistics->latecoltxfr =
 474                     in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
 475                 tx_firmware_statistics->frabortduecol =
 476                     in_be32(&p_tx_fw_statistics_pram->frabortduecol);
 477                 tx_firmware_statistics->frlostinmactxer =
 478                     in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
 479                 tx_firmware_statistics->carriersenseertx =
 480                     in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
 481                 tx_firmware_statistics->frtxok =
 482                     in_be32(&p_tx_fw_statistics_pram->frtxok);
 483                 tx_firmware_statistics->txfrexcessivedefer =
 484                     in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
 485                 tx_firmware_statistics->txpkts256 =
 486                     in_be32(&p_tx_fw_statistics_pram->txpkts256);
 487                 tx_firmware_statistics->txpkts512 =
 488                     in_be32(&p_tx_fw_statistics_pram->txpkts512);
 489                 tx_firmware_statistics->txpkts1024 =
 490                     in_be32(&p_tx_fw_statistics_pram->txpkts1024);
 491                 tx_firmware_statistics->txpktsjumbo =
 492                     in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
 493         }
 494
 495         /* Rx firmware only if user handed pointer and driver actually
 496          * gathers Rx firmware statistics */
 497         if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
 498                 int i;
 499                 rx_firmware_statistics->frrxfcser =
 500                     in_be32(&p_rx_fw_statistics_pram->frrxfcser);
 501                 rx_firmware_statistics->fraligner =
 502                     in_be32(&p_rx_fw_statistics_pram->fraligner);
 503                 rx_firmware_statistics->inrangelenrxer =
 504                     in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
 505                 rx_firmware_statistics->outrangelenrxer =
 506                     in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
 507                 rx_firmware_statistics->frtoolong =
 508                     in_be32(&p_rx_fw_statistics_pram->frtoolong);
 509                 rx_firmware_statistics->runt =
 510                     in_be32(&p_rx_fw_statistics_pram->runt);
 511                 rx_firmware_statistics->verylongevent =
 512                     in_be32(&p_rx_fw_statistics_pram->verylongevent);
 513                 rx_firmware_statistics->symbolerror =
 514                     in_be32(&p_rx_fw_statistics_pram->symbolerror);
 515                 rx_firmware_statistics->dropbsy =
 516                     in_be32(&p_rx_fw_statistics_pram->dropbsy);
 517                 for (i = 0; i < 0x8; i++)
 518                         rx_firmware_statistics->res0[i] =
 519                             p_rx_fw_statistics_pram->res0[i];
 520                 rx_firmware_statistics->mismatchdrop =
 521                     in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
 522                 rx_firmware_statistics->underpkts =
 523                     in_be32(&p_rx_fw_statistics_pram->underpkts);
 524                 rx_firmware_statistics->pkts256 =
 525                     in_be32(&p_rx_fw_statistics_pram->pkts256);
 526                 rx_firmware_statistics->pkts512 =
 527                     in_be32(&p_rx_fw_statistics_pram->pkts512);
 528                 rx_firmware_statistics->pkts1024 =
 529                     in_be32(&p_rx_fw_statistics_pram->pkts1024);
 530                 rx_firmware_statistics->pktsjumbo =
 531                     in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
 532                 rx_firmware_statistics->frlossinmacer =
 533                     in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
 534                 rx_firmware_statistics->pausefr =
 535                     in_be32(&p_rx_fw_statistics_pram->pausefr);
 536                 for (i = 0; i < 0x4; i++)
 537                         rx_firmware_statistics->res1[i] =
 538                             p_rx_fw_statistics_pram->res1[i];
 539                 rx_firmware_statistics->removevlan =
 540                     in_be32(&p_rx_fw_statistics_pram->removevlan);
 541                 rx_firmware_statistics->replacevlan =
 542                     in_be32(&p_rx_fw_statistics_pram->replacevlan);
 543                 rx_firmware_statistics->insertvlan =
 544                     in_be32(&p_rx_fw_statistics_pram->insertvlan);
 545         }
 546
 547         /* Hardware only if user handed pointer and driver actually
 548         gathers hardware statistics */
 549         if (hardware_statistics &&
 550             (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) {
 551                 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
 552                 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
 553                 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
 554                 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
 555                 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
 556                 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
 557                 hardware_statistics->txok = in_be32(&ug_regs->txok);
 558                 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
 559                 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
 560                 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
 561                 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
 562                 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
 563                 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
 564                 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
 565                 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
 566         }
 567 }
 568
 569 static void dump_bds(struct ucc_geth_private *ugeth)
 570 {
 571         int i;
 572         int length;
 573
 574         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
 575                 if (ugeth->p_tx_bd_ring[i]) {
 576                         length =
 577                             (ugeth->ug_info->bdRingLenTx[i] *
 578                              sizeof(struct qe_bd));
 579                         ugeth_info("TX BDs[%d]", i);
 580                         mem_disp(ugeth->p_tx_bd_ring[i], length);
 581                 }
 582         }
 583         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 584                 if (ugeth->p_rx_bd_ring[i]) {
 585                         length =
 586                             (ugeth->ug_info->bdRingLenRx[i] *
 587                              sizeof(struct qe_bd));
 588                         ugeth_info("RX BDs[%d]", i);
 589                         mem_disp(ugeth->p_rx_bd_ring[i], length);
 590                 }
 591         }
 592 }
 593
 594 static void dump_regs(struct ucc_geth_private *ugeth)
 595 {
 596         int i;
 597
 598         ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num + 1);
 599         ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
 600
 601         ugeth_info("maccfg1    : addr - 0x%08x, val - 0x%08x",
 602                    (u32) & ugeth->ug_regs->maccfg1,
 603                    in_be32(&ugeth->ug_regs->maccfg1));
 604         ugeth_info("maccfg2    : addr - 0x%08x, val - 0x%08x",
 605                    (u32) & ugeth->ug_regs->maccfg2,
 606                    in_be32(&ugeth->ug_regs->maccfg2));
 607         ugeth_info("ipgifg     : addr - 0x%08x, val - 0x%08x",
 608                    (u32) & ugeth->ug_regs->ipgifg,
 609                    in_be32(&ugeth->ug_regs->ipgifg));
 610         ugeth_info("hafdup     : addr - 0x%08x, val - 0x%08x",
 611                    (u32) & ugeth->ug_regs->hafdup,
 612                    in_be32(&ugeth->ug_regs->hafdup));
 613         ugeth_info("ifctl      : addr - 0x%08x, val - 0x%08x",
 614                    (u32) & ugeth->ug_regs->ifctl,
 615                    in_be32(&ugeth->ug_regs->ifctl));
 616         ugeth_info("ifstat     : addr - 0x%08x, val - 0x%08x",
 617                    (u32) & ugeth->ug_regs->ifstat,
 618                    in_be32(&ugeth->ug_regs->ifstat));
 619         ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
 620                    (u32) & ugeth->ug_regs->macstnaddr1,
 621                    in_be32(&ugeth->ug_regs->macstnaddr1));
 622         ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
 623                    (u32) & ugeth->ug_regs->macstnaddr2,
 624                    in_be32(&ugeth->ug_regs->macstnaddr2));
 625         ugeth_info("uempr      : addr - 0x%08x, val - 0x%08x",
 626                    (u32) & ugeth->ug_regs->uempr,
 627                    in_be32(&ugeth->ug_regs->uempr));
 628         ugeth_info("utbipar    : addr - 0x%08x, val - 0x%08x",
 629                    (u32) & ugeth->ug_regs->utbipar,
 630                    in_be32(&ugeth->ug_regs->utbipar));
 631         ugeth_info("uescr      : addr - 0x%08x, val - 0x%04x",
 632                    (u32) & ugeth->ug_regs->uescr,
 633                    in_be16(&ugeth->ug_regs->uescr));
 634         ugeth_info("tx64       : addr - 0x%08x, val - 0x%08x",
 635                    (u32) & ugeth->ug_regs->tx64,
 636                    in_be32(&ugeth->ug_regs->tx64));
 637         ugeth_info("tx127      : addr - 0x%08x, val - 0x%08x",
 638                    (u32) & ugeth->ug_regs->tx127,
 639                    in_be32(&ugeth->ug_regs->tx127));
 640         ugeth_info("tx255      : addr - 0x%08x, val - 0x%08x",
 641                    (u32) & ugeth->ug_regs->tx255,
 642                    in_be32(&ugeth->ug_regs->tx255));
 643         ugeth_info("rx64       : addr - 0x%08x, val - 0x%08x",
 644                    (u32) & ugeth->ug_regs->rx64,
 645                    in_be32(&ugeth->ug_regs->rx64));
 646         ugeth_info("rx127      : addr - 0x%08x, val - 0x%08x",
 647                    (u32) & ugeth->ug_regs->rx127,
 648                    in_be32(&ugeth->ug_regs->rx127));
 649         ugeth_info("rx255      : addr - 0x%08x, val - 0x%08x",
 650                    (u32) & ugeth->ug_regs->rx255,
 651                    in_be32(&ugeth->ug_regs->rx255));
 652         ugeth_info("txok       : addr - 0x%08x, val - 0x%08x",
 653                    (u32) & ugeth->ug_regs->txok,
 654                    in_be32(&ugeth->ug_regs->txok));
 655         ugeth_info("txcf       : addr - 0x%08x, val - 0x%04x",
 656                    (u32) & ugeth->ug_regs->txcf,
 657                    in_be16(&ugeth->ug_regs->txcf));
 658         ugeth_info("tmca       : addr - 0x%08x, val - 0x%08x",
 659                    (u32) & ugeth->ug_regs->tmca,
 660                    in_be32(&ugeth->ug_regs->tmca));
 661         ugeth_info("tbca       : addr - 0x%08x, val - 0x%08x",
 662                    (u32) & ugeth->ug_regs->tbca,
 663                    in_be32(&ugeth->ug_regs->tbca));
 664         ugeth_info("rxfok      : addr - 0x%08x, val - 0x%08x",
 665                    (u32) & ugeth->ug_regs->rxfok,
 666                    in_be32(&ugeth->ug_regs->rxfok));
 667         ugeth_info("rxbok      : addr - 0x%08x, val - 0x%08x",
 668                    (u32) & ugeth->ug_regs->rxbok,
 669                    in_be32(&ugeth->ug_regs->rxbok));
 670         ugeth_info("rbyt       : addr - 0x%08x, val - 0x%08x",
 671                    (u32) & ugeth->ug_regs->rbyt,
 672                    in_be32(&ugeth->ug_regs->rbyt));
 673         ugeth_info("rmca       : addr - 0x%08x, val - 0x%08x",
 674                    (u32) & ugeth->ug_regs->rmca,
 675                    in_be32(&ugeth->ug_regs->rmca));
 676         ugeth_info("rbca       : addr - 0x%08x, val - 0x%08x",
 677                    (u32) & ugeth->ug_regs->rbca,
 678                    in_be32(&ugeth->ug_regs->rbca));
 679         ugeth_info("scar       : addr - 0x%08x, val - 0x%08x",
 680                    (u32) & ugeth->ug_regs->scar,
 681                    in_be32(&ugeth->ug_regs->scar));
 682         ugeth_info("scam       : addr - 0x%08x, val - 0x%08x",
 683                    (u32) & ugeth->ug_regs->scam,
 684                    in_be32(&ugeth->ug_regs->scam));
 685
 686         if (ugeth->p_thread_data_tx) {
 687                 int numThreadsTxNumerical;
 688                 switch (ugeth->ug_info->numThreadsTx) {
 689                 case UCC_GETH_NUM_OF_THREADS_1:
 690                         numThreadsTxNumerical = 1;
 691                         break;
 692                 case UCC_GETH_NUM_OF_THREADS_2:
 693                         numThreadsTxNumerical = 2;
 694                         break;
 695                 case UCC_GETH_NUM_OF_THREADS_4:
 696                         numThreadsTxNumerical = 4;
 697                         break;
 698                 case UCC_GETH_NUM_OF_THREADS_6:
 699                         numThreadsTxNumerical = 6;
 700                         break;
 701                 case UCC_GETH_NUM_OF_THREADS_8:
 702                         numThreadsTxNumerical = 8;
 703                         break;
 704                 default:
 705                         numThreadsTxNumerical = 0;
 706                         break;
 707                 }
 708
 709                 ugeth_info("Thread data TXs:");
 710                 ugeth_info("Base address: 0x%08x",
 711                            (u32) ugeth->p_thread_data_tx);
 712                 for (i = 0; i < numThreadsTxNumerical; i++) {
 713                         ugeth_info("Thread data TX[%d]:", i);
 714                         ugeth_info("Base address: 0x%08x",
 715                                    (u32) & ugeth->p_thread_data_tx[i]);
 716                         mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
 717                                  sizeof(struct ucc_geth_thread_data_tx));
 718                 }
 719         }
 720         if (ugeth->p_thread_data_rx) {
 721                 int numThreadsRxNumerical;
 722                 switch (ugeth->ug_info->numThreadsRx) {
 723                 case UCC_GETH_NUM_OF_THREADS_1:
 724                         numThreadsRxNumerical = 1;
 725                         break;
 726                 case UCC_GETH_NUM_OF_THREADS_2:
 727                         numThreadsRxNumerical = 2;
 728                         break;
 729                 case UCC_GETH_NUM_OF_THREADS_4:
 730                         numThreadsRxNumerical = 4;
 731                         break;
 732                 case UCC_GETH_NUM_OF_THREADS_6:
 733                         numThreadsRxNumerical = 6;
 734                         break;
 735                 case UCC_GETH_NUM_OF_THREADS_8:
 736                         numThreadsRxNumerical = 8;
 737                         break;
 738                 default:
 739                         numThreadsRxNumerical = 0;
 740                         break;
 741                 }
 742
 743                 ugeth_info("Thread data RX:");
 744                 ugeth_info("Base address: 0x%08x",
 745                            (u32) ugeth->p_thread_data_rx);
 746                 for (i = 0; i < numThreadsRxNumerical; i++) {
 747                         ugeth_info("Thread data RX[%d]:", i);
 748                         ugeth_info("Base address: 0x%08x",
 749                                    (u32) & ugeth->p_thread_data_rx[i]);
 750                         mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
 751                                  sizeof(struct ucc_geth_thread_data_rx));
 752                 }
 753         }
 754         if (ugeth->p_exf_glbl_param) {
 755                 ugeth_info("EXF global param:");
 756                 ugeth_info("Base address: 0x%08x",
 757                            (u32) ugeth->p_exf_glbl_param);
 758                 mem_disp((u8 *) ugeth->p_exf_glbl_param,
 759                          sizeof(*ugeth->p_exf_glbl_param));
 760         }
 761         if (ugeth->p_tx_glbl_pram) {
 762                 ugeth_info("TX global param:");
 763                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
 764                 ugeth_info("temoder      : addr - 0x%08x, val - 0x%04x",
 765                            (u32) & ugeth->p_tx_glbl_pram->temoder,
 766                            in_be16(&ugeth->p_tx_glbl_pram->temoder));
 767                 ugeth_info("sqptr        : addr - 0x%08x, val - 0x%08x",
 768                            (u32) & ugeth->p_tx_glbl_pram->sqptr,
 769                            in_be32(&ugeth->p_tx_glbl_pram->sqptr));
 770                 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
 771                            (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
 772                            in_be32(&ugeth->p_tx_glbl_pram->
 773                                    schedulerbasepointer));
 774                 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
 775                            (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
 776                            in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
 777                 ugeth_info("tstate       : addr - 0x%08x, val - 0x%08x",
 778                            (u32) & ugeth->p_tx_glbl_pram->tstate,
 779                            in_be32(&ugeth->p_tx_glbl_pram->tstate));
 780                 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
 781                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
 782                            ugeth->p_tx_glbl_pram->iphoffset[0]);
 783                 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
 784                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
 785                            ugeth->p_tx_glbl_pram->iphoffset[1]);
 786                 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
 787                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
 788                            ugeth->p_tx_glbl_pram->iphoffset[2]);
 789                 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
 790                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
 791                            ugeth->p_tx_glbl_pram->iphoffset[3]);
 792                 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
 793                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
 794                            ugeth->p_tx_glbl_pram->iphoffset[4]);
 795                 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
 796                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
 797                            ugeth->p_tx_glbl_pram->iphoffset[5]);
 798                 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
 799                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
 800                            ugeth->p_tx_glbl_pram->iphoffset[6]);
 801                 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
 802                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
 803                            ugeth->p_tx_glbl_pram->iphoffset[7]);
 804                 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
 805                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
 806                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
 807                 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
 808                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
 809                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
 810                 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
 811                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
 812                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
 813                 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
 814                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
 815                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
 816                 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
 817                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
 818                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
 819                 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
 820                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
 821                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
 822                 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
 823                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
 824                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
 825                 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
 826                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
 827                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
 828                 ugeth_info("tqptr        : addr - 0x%08x, val - 0x%08x",
 829                            (u32) & ugeth->p_tx_glbl_pram->tqptr,
 830                            in_be32(&ugeth->p_tx_glbl_pram->tqptr));
 831         }
 832         if (ugeth->p_rx_glbl_pram) {
 833                 ugeth_info("RX global param:");
 834                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
 835                 ugeth_info("remoder         : addr - 0x%08x, val - 0x%08x",
 836                            (u32) & ugeth->p_rx_glbl_pram->remoder,
 837                            in_be32(&ugeth->p_rx_glbl_pram->remoder));
 838                 ugeth_info("rqptr           : addr - 0x%08x, val - 0x%08x",
 839                            (u32) & ugeth->p_rx_glbl_pram->rqptr,
 840                            in_be32(&ugeth->p_rx_glbl_pram->rqptr));
 841                 ugeth_info("typeorlen       : addr - 0x%08x, val - 0x%04x",
 842                            (u32) & ugeth->p_rx_glbl_pram->typeorlen,
 843                            in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
 844                 ugeth_info("rxgstpack       : addr - 0x%08x, val - 0x%02x",
 845                            (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
 846                            ugeth->p_rx_glbl_pram->rxgstpack);
 847                 ugeth_info("rxrmonbaseptr   : addr - 0x%08x, val - 0x%08x",
 848                            (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
 849                            in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
 850                 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
 851                            (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
 852                            in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
 853                 ugeth_info("rstate          : addr - 0x%08x, val - 0x%02x",
 854                            (u32) & ugeth->p_rx_glbl_pram->rstate,
 855                            ugeth->p_rx_glbl_pram->rstate);
 856                 ugeth_info("mrblr           : addr - 0x%08x, val - 0x%04x",
 857                            (u32) & ugeth->p_rx_glbl_pram->mrblr,
 858                            in_be16(&ugeth->p_rx_glbl_pram->mrblr));
 859                 ugeth_info("rbdqptr         : addr - 0x%08x, val - 0x%08x",
 860                            (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
 861                            in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
 862                 ugeth_info("mflr            : addr - 0x%08x, val - 0x%04x",
 863                            (u32) & ugeth->p_rx_glbl_pram->mflr,
 864                            in_be16(&ugeth->p_rx_glbl_pram->mflr));
 865                 ugeth_info("minflr          : addr - 0x%08x, val - 0x%04x",
 866                            (u32) & ugeth->p_rx_glbl_pram->minflr,
 867                            in_be16(&ugeth->p_rx_glbl_pram->minflr));
 868                 ugeth_info("maxd1           : addr - 0x%08x, val - 0x%04x",
 869                            (u32) & ugeth->p_rx_glbl_pram->maxd1,
 870                            in_be16(&ugeth->p_rx_glbl_pram->maxd1));
 871                 ugeth_info("maxd2           : addr - 0x%08x, val - 0x%04x",
 872                            (u32) & ugeth->p_rx_glbl_pram->maxd2,
 873                            in_be16(&ugeth->p_rx_glbl_pram->maxd2));
 874                 ugeth_info("ecamptr         : addr - 0x%08x, val - 0x%08x",
 875                            (u32) & ugeth->p_rx_glbl_pram->ecamptr,
 876                            in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
 877                 ugeth_info("l2qt            : addr - 0x%08x, val - 0x%08x",
 878                            (u32) & ugeth->p_rx_glbl_pram->l2qt,
 879                            in_be32(&ugeth->p_rx_glbl_pram->l2qt));
 880                 ugeth_info("l3qt[0]         : addr - 0x%08x, val - 0x%08x",
 881                            (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
 882                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
 883                 ugeth_info("l3qt[1]         : addr - 0x%08x, val - 0x%08x",
 884                            (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
 885                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
 886                 ugeth_info("l3qt[2]         : addr - 0x%08x, val - 0x%08x",
 887                            (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
 888                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
 889                 ugeth_info("l3qt[3]         : addr - 0x%08x, val - 0x%08x",
 890                            (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
 891                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
 892                 ugeth_info("l3qt[4]         : addr - 0x%08x, val - 0x%08x",
 893                            (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
 894                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
 895                 ugeth_info("l3qt[5]         : addr - 0x%08x, val - 0x%08x",
 896                            (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
 897                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
 898                 ugeth_info("l3qt[6]         : addr - 0x%08x, val - 0x%08x",
 899                            (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
 900                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
 901                 ugeth_info("l3qt[7]         : addr - 0x%08x, val - 0x%08x",
 902                            (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
 903                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
 904                 ugeth_info("vlantype        : addr - 0x%08x, val - 0x%04x",
 905                            (u32) & ugeth->p_rx_glbl_pram->vlantype,
 906                            in_be16(&ugeth->p_rx_glbl_pram->vlantype));
 907                 ugeth_info("vlantci         : addr - 0x%08x, val - 0x%04x",
 908                            (u32) & ugeth->p_rx_glbl_pram->vlantci,
 909                            in_be16(&ugeth->p_rx_glbl_pram->vlantci));
 910                 for (i = 0; i < 64; i++)
 911                         ugeth_info
 912                     ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
 913                              i,
 914                              (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
 915                              ugeth->p_rx_glbl_pram->addressfiltering[i]);
 916                 ugeth_info("exfGlobalParam  : addr - 0x%08x, val - 0x%08x",
 917                            (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
 918                            in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
 919         }
 920         if (ugeth->p_send_q_mem_reg) {
 921                 ugeth_info("Send Q memory registers:");
 922                 ugeth_info("Base address: 0x%08x",
 923                            (u32) ugeth->p_send_q_mem_reg);
 924                 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
 925                         ugeth_info("SQQD[%d]:", i);
 926                         ugeth_info("Base address: 0x%08x",
 927                                    (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
 928                         mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
 929                                  sizeof(struct ucc_geth_send_queue_qd));
 930                 }
 931         }
 932         if (ugeth->p_scheduler) {
 933                 ugeth_info("Scheduler:");
 934                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
 935                 mem_disp((u8 *) ugeth->p_scheduler,
 936                          sizeof(*ugeth->p_scheduler));
 937         }
 938         if (ugeth->p_tx_fw_statistics_pram) {
 939                 ugeth_info("TX FW statistics pram:");
 940                 ugeth_info("Base address: 0x%08x",
 941                            (u32) ugeth->p_tx_fw_statistics_pram);
 942                 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
 943                          sizeof(*ugeth->p_tx_fw_statistics_pram));
 944         }
 945         if (ugeth->p_rx_fw_statistics_pram) {
 946                 ugeth_info("RX FW statistics pram:");
 947                 ugeth_info("Base address: 0x%08x",
 948                            (u32) ugeth->p_rx_fw_statistics_pram);
 949                 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
 950                          sizeof(*ugeth->p_rx_fw_statistics_pram));
 951         }
 952         if (ugeth->p_rx_irq_coalescing_tbl) {
 953                 ugeth_info("RX IRQ coalescing tables:");
 954                 ugeth_info("Base address: 0x%08x",
 955                            (u32) ugeth->p_rx_irq_coalescing_tbl);
 956                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 957                         ugeth_info("RX IRQ coalescing table entry[%d]:", i);
 958                         ugeth_info("Base address: 0x%08x",
 959                                    (u32) & ugeth->p_rx_irq_coalescing_tbl->
 960                                    coalescingentry[i]);
 961                         ugeth_info
 962                 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
 963                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
 964                              coalescingentry[i].interruptcoalescingmaxvalue,
 965                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
 966                                      coalescingentry[i].
 967                                      interruptcoalescingmaxvalue));
 968                         ugeth_info
 969                 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
 970                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
 971                              coalescingentry[i].interruptcoalescingcounter,
 972                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
 973                                      coalescingentry[i].
 974                                      interruptcoalescingcounter));
 975                 }
 976         }
 977         if (ugeth->p_rx_bd_qs_tbl) {
 978                 ugeth_info("RX BD QS tables:");
 979                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
 980                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
 981                         ugeth_info("RX BD QS table[%d]:", i);
 982                         ugeth_info("Base address: 0x%08x",
 983                                    (u32) & ugeth->p_rx_bd_qs_tbl[i]);
 984                         ugeth_info
 985                             ("bdbaseptr        : addr - 0x%08x, val - 0x%08x",
 986                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
 987                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
 988                         ugeth_info
 989                             ("bdptr            : addr - 0x%08x, val - 0x%08x",
 990                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
 991                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
 992                         ugeth_info
 993                             ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
 994                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
 995                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].
 996                                      externalbdbaseptr));
 997                         ugeth_info
 998                             ("externalbdptr    : addr - 0x%08x, val - 0x%08x",
 999                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1000                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1001                         ugeth_info("ucode RX Prefetched BDs:");
1002                         ugeth_info("Base address: 0x%08x",
1003                                    (u32)
1004                                    qe_muram_addr(in_be32
1005                                                  (&ugeth->p_rx_bd_qs_tbl[i].
1006                                                   bdbaseptr)));
1007                         mem_disp((u8 *)
1008                                  qe_muram_addr(in_be32
1009                                                (&ugeth->p_rx_bd_qs_tbl[i].
1010                                                 bdbaseptr)),
1011                                  sizeof(struct ucc_geth_rx_prefetched_bds));
1012                 }
1013         }
1014         if (ugeth->p_init_enet_param_shadow) {
1015                 int size;
1016                 ugeth_info("Init enet param shadow:");
1017                 ugeth_info("Base address: 0x%08x",
1018                            (u32) ugeth->p_init_enet_param_shadow);
1019                 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1020                          sizeof(*ugeth->p_init_enet_param_shadow));
1021
1022                 size = sizeof(struct ucc_geth_thread_rx_pram);
1023                 if (ugeth->ug_info->rxExtendedFiltering) {
1024                         size +=
1025                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1026                         if (ugeth->ug_info->largestexternallookupkeysize ==
1027                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1028                                 size +=
1029                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1030                         if (ugeth->ug_info->largestexternallookupkeysize ==
1031                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1032                                 size +=
1033                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1034                 }
1035
1036                 dump_init_enet_entries(ugeth,
1037                                        &(ugeth->p_init_enet_param_shadow->
1038                                          txthread[0]),
1039                                        ENET_INIT_PARAM_MAX_ENTRIES_TX,
1040                                        sizeof(struct ucc_geth_thread_tx_pram),
1041                                        ugeth->ug_info->riscTx, 0);
1042                 dump_init_enet_entries(ugeth,
1043                                        &(ugeth->p_init_enet_param_shadow->
1044                                          rxthread[0]),
1045                                        ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1046                                        ugeth->ug_info->riscRx, 1);
1047         }
1048 }
1049 #endif /* DEBUG */
1050
1051 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1052                                   u32 __iomem *maccfg1_register,
1053                                   u32 __iomem *maccfg2_register)
1054 {
1055         out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1056         out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1057         out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1058 }
1059
1060 static int init_half_duplex_params(int alt_beb,
1061                                    int back_pressure_no_backoff,
1062                                    int no_backoff,
1063                                    int excess_defer,
1064                                    u8 alt_beb_truncation,
1065                                    u8 max_retransmissions,
1066                                    u8 collision_window,
1067                                    u32 __iomem *hafdup_register)
1068 {
1069         u32 value = 0;
1070
1071         if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1072             (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1073             (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1074                 return -EINVAL;
1075
1076         value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1077
1078         if (alt_beb)
1079                 value |= HALFDUP_ALT_BEB;
1080         if (back_pressure_no_backoff)
1081                 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1082         if (no_backoff)
1083                 value |= HALFDUP_NO_BACKOFF;
1084         if (excess_defer)
1085                 value |= HALFDUP_EXCESSIVE_DEFER;
1086
1087         value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1088
1089         value |= collision_window;
1090
1091         out_be32(hafdup_register, value);
1092         return 0;
1093 }
1094
1095 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1096                                        u8 non_btb_ipg,
1097                                        u8 min_ifg,
1098                                        u8 btb_ipg,
1099                                        u32 __iomem *ipgifg_register)
1100 {
1101         u32 value = 0;
1102
1103         /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1104         IPG part 2 */
1105         if (non_btb_cs_ipg > non_btb_ipg)
1106                 return -EINVAL;
1107
1108         if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1109             (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1110             /*(min_ifg        > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1111             (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1112                 return -EINVAL;
1113
1114         value |=
1115             ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1116              IPGIFG_NBTB_CS_IPG_MASK);
1117         value |=
1118             ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1119              IPGIFG_NBTB_IPG_MASK);
1120         value |=
1121             ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1122              IPGIFG_MIN_IFG_MASK);
1123         value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1124
1125         out_be32(ipgifg_register, value);
1126         return 0;
1127 }
1128
1129 int init_flow_control_params(u32 automatic_flow_control_mode,
1130                                     int rx_flow_control_enable,
1131                                     int tx_flow_control_enable,
1132                                     u16 pause_period,
1133                                     u16 extension_field,
1134                                     u32 __iomem *upsmr_register,
1135                                     u32 __iomem *uempr_register,
1136                                     u32 __iomem *maccfg1_register)
1137 {
1138         u32 value = 0;
1139
1140         /* Set UEMPR register */
1141         value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1142         value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1143         out_be32(uempr_register, value);
1144
1145         /* Set UPSMR register */
1146         setbits32(upsmr_register, automatic_flow_control_mode);
1147
1148         value = in_be32(maccfg1_register);
1149         if (rx_flow_control_enable)
1150                 value |= MACCFG1_FLOW_RX;
1151         if (tx_flow_control_enable)
1152                 value |= MACCFG1_FLOW_TX;
1153         out_be32(maccfg1_register, value);
1154
1155         return 0;
1156 }
1157
1158 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1159                                              int auto_zero_hardware_statistics,
1160                                              u32 __iomem *upsmr_register,
1161                                              u16 __iomem *uescr_register)
1162 {
1163         u16 uescr_value = 0;
1164
1165         /* Enable hardware statistics gathering if requested */
1166         if (enable_hardware_statistics)
1167                 setbits32(upsmr_register, UCC_GETH_UPSMR_HSE);
1168
1169         /* Clear hardware statistics counters */
1170         uescr_value = in_be16(uescr_register);
1171         uescr_value |= UESCR_CLRCNT;
1172         /* Automatically zero hardware statistics counters on read,
1173         if requested */
1174         if (auto_zero_hardware_statistics)
1175                 uescr_value |= UESCR_AUTOZ;
1176         out_be16(uescr_register, uescr_value);
1177
1178         return 0;
1179 }
1180
1181 static int init_firmware_statistics_gathering_mode(int
1182                 enable_tx_firmware_statistics,
1183                 int enable_rx_firmware_statistics,
1184                 u32 __iomem *tx_rmon_base_ptr,
1185                 u32 tx_firmware_statistics_structure_address,
1186                 u32 __iomem *rx_rmon_base_ptr,
1187                 u32 rx_firmware_statistics_structure_address,
1188                 u16 __iomem *temoder_register,
1189                 u32 __iomem *remoder_register)
1190 {
1191         /* Note: this function does not check if */
1192         /* the parameters it receives are NULL   */
1193
1194         if (enable_tx_firmware_statistics) {
1195                 out_be32(tx_rmon_base_ptr,
1196                          tx_firmware_statistics_structure_address);
1197                 setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE);
1198         }
1199
1200         if (enable_rx_firmware_statistics) {
1201                 out_be32(rx_rmon_base_ptr,
1202                          rx_firmware_statistics_structure_address);
1203                 setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE);
1204         }
1205
1206         return 0;
1207 }
1208
1209 static int init_mac_station_addr_regs(u8 address_byte_0,
1210                                       u8 address_byte_1,
1211                                       u8 address_byte_2,
1212                                       u8 address_byte_3,
1213                                       u8 address_byte_4,
1214                                       u8 address_byte_5,
1215                                       u32 __iomem *macstnaddr1_register,
1216                                       u32 __iomem *macstnaddr2_register)
1217 {
1218         u32 value = 0;
1219
1220         /* Example: for a station address of 0x12345678ABCD, */
1221         /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1222
1223         /* MACSTNADDR1 Register: */
1224
1225         /* 0                      7   8                      15  */
1226         /* station address byte 5     station address byte 4     */
1227         /* 16                     23  24                     31  */
1228         /* station address byte 3     station address byte 2     */
1229         value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1230         value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1231         value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1232         value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1233
1234         out_be32(macstnaddr1_register, value);
1235
1236         /* MACSTNADDR2 Register: */
1237
1238         /* 0                      7   8                      15  */
1239         /* station address byte 1     station address byte 0     */
1240         /* 16                     23  24                     31  */
1241         /*         reserved                   reserved           */
1242         value = 0;
1243         value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1244         value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1245
1246         out_be32(macstnaddr2_register, value);
1247
1248         return 0;
1249 }
1250
1251 static int init_check_frame_length_mode(int length_check,
1252                                         u32 __iomem *maccfg2_register)
1253 {
1254         u32 value = 0;
1255
1256         value = in_be32(maccfg2_register);
1257
1258         if (length_check)
1259                 value |= MACCFG2_LC;
1260         else
1261                 value &= ~MACCFG2_LC;
1262
1263         out_be32(maccfg2_register, value);
1264         return 0;
1265 }
1266
1267 static int init_preamble_length(u8 preamble_length,
1268                                 u32 __iomem *maccfg2_register)
1269 {
1270         if ((preamble_length < 3) || (preamble_length > 7))
1271                 return -EINVAL;
1272
1273         clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK,
1274                         preamble_length << MACCFG2_PREL_SHIFT);
1275
1276         return 0;
1277 }
1278
1279 static int init_rx_parameters(int reject_broadcast,
1280                               int receive_short_frames,
1281                               int promiscuous, u32 __iomem *upsmr_register)
1282 {
1283         u32 value = 0;
1284
1285         value = in_be32(upsmr_register);
1286
1287         if (reject_broadcast)
1288                 value |= UCC_GETH_UPSMR_BRO;
1289         else
1290                 value &= ~UCC_GETH_UPSMR_BRO;
1291
1292         if (receive_short_frames)
1293                 value |= UCC_GETH_UPSMR_RSH;
1294         else
1295                 value &= ~UCC_GETH_UPSMR_RSH;
1296
1297         if (promiscuous)
1298                 value |= UCC_GETH_UPSMR_PRO;
1299         else
1300                 value &= ~UCC_GETH_UPSMR_PRO;
1301
1302         out_be32(upsmr_register, value);
1303
1304         return 0;
1305 }
1306
1307 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1308                                 u16 __iomem *mrblr_register)
1309 {
1310         /* max_rx_buf_len value must be a multiple of 128 */
1311         if ((max_rx_buf_len == 0) ||
1312             (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1313                 return -EINVAL;
1314
1315         out_be16(mrblr_register, max_rx_buf_len);
1316         return 0;
1317 }
1318
1319 static int init_min_frame_len(u16 min_frame_length,
1320                               u16 __iomem *minflr_register,
1321                               u16 __iomem *mrblr_register)
1322 {
1323         u16 mrblr_value = 0;
1324
1325         mrblr_value = in_be16(mrblr_register);
1326         if (min_frame_length >= (mrblr_value - 4))
1327                 return -EINVAL;
1328
1329         out_be16(minflr_register, min_frame_length);
1330         return 0;
1331 }
1332
1333 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1334 {
1335         struct ucc_geth_info *ug_info;
1336         struct ucc_geth __iomem *ug_regs;
1337         struct ucc_fast __iomem *uf_regs;
1338         int ret_val;
1339         u32 upsmr, maccfg2;
1340         u16 value;
1341
1342         ugeth_vdbg("%s: IN", __func__);
1343
1344         ug_info = ugeth->ug_info;
1345         ug_regs = ugeth->ug_regs;
1346         uf_regs = ugeth->uccf->uf_regs;
1347
1348         /*                    Set MACCFG2                    */
1349         maccfg2 = in_be32(&ug_regs->maccfg2);
1350         maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1351         if ((ugeth->max_speed == SPEED_10) ||
1352             (ugeth->max_speed == SPEED_100))
1353                 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1354         else if (ugeth->max_speed == SPEED_1000)
1355                 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1356         maccfg2 |= ug_info->padAndCrc;
1357         out_be32(&ug_regs->maccfg2, maccfg2);
1358
1359         /*                    Set UPSMR                      */
1360         upsmr = in_be32(&uf_regs->upsmr);
1361         upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
1362                    UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
1363         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1364             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1365             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1366             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1367             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1368             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1369                 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII)
1370                         upsmr |= UCC_GETH_UPSMR_RPM;
1371                 switch (ugeth->max_speed) {
1372                 case SPEED_10:
1373                         upsmr |= UCC_GETH_UPSMR_R10M;
1374                         /* FALLTHROUGH */
1375                 case SPEED_100:
1376                         if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1377                                 upsmr |= UCC_GETH_UPSMR_RMM;
1378                 }
1379         }
1380         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1381             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1382                 upsmr |= UCC_GETH_UPSMR_TBIM;
1383         }
1384         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_SGMII))
1385                 upsmr |= UCC_GETH_UPSMR_SGMM;
1386
1387         out_be32(&uf_regs->upsmr, upsmr);
1388
1389         /* Disable autonegotiation in tbi mode, because by default it
1390         comes up in autonegotiation mode. */
1391         /* Note that this depends on proper setting in utbipar register. */
1392         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1393             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1394                 struct ucc_geth_info *ug_info = ugeth->ug_info;
1395                 struct phy_device *tbiphy;
1396
1397                 if (!ug_info->tbi_node)
1398                         ugeth_warn("TBI mode requires that the device "
1399                                 "tree specify a tbi-handle\n");
1400
1401                 tbiphy = of_phy_find_device(ug_info->tbi_node);
1402                 if (!tbiphy)
1403                         ugeth_warn("Could not get TBI device\n");
1404
1405                 value = phy_read(tbiphy, ENET_TBI_MII_CR);
1406                 value &= ~0x1000;       /* Turn off autonegotiation */
1407                 phy_write(tbiphy, ENET_TBI_MII_CR, value);
1408         }
1409
1410         init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1411
1412         ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1413         if (ret_val != 0) {
1414                 if (netif_msg_probe(ugeth))
1415                         ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1416                              __func__);
1417                 return ret_val;
1418         }
1419
1420         return 0;
1421 }
1422
1423 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1424 {
1425         struct ucc_fast_private *uccf;
1426         u32 cecr_subblock;
1427         u32 temp;
1428         int i = 10;
1429
1430         uccf = ugeth->uccf;
1431
1432         /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1433         clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA);
1434         out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA);  /* clear by writing 1 */
1435
1436         /* Issue host command */
1437         cecr_subblock =
1438             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1439         qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1440                      QE_CR_PROTOCOL_ETHERNET, 0);
1441
1442         /* Wait for command to complete */
1443         do {
1444                 msleep(10);
1445                 temp = in_be32(uccf->p_ucce);
1446         } while (!(temp & UCC_GETH_UCCE_GRA) && --i);
1447
1448         uccf->stopped_tx = 1;
1449
1450         return 0;
1451 }
1452
1453 static int ugeth_graceful_stop_rx(struct ucc_geth_private *ugeth)
1454 {
1455         struct ucc_fast_private *uccf;
1456         u32 cecr_subblock;
1457         u8 temp;
1458         int i = 10;
1459
1460         uccf = ugeth->uccf;
1461
1462         /* Clear acknowledge bit */
1463         temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1464         temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1465         out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1466
1467         /* Keep issuing command and checking acknowledge bit until
1468         it is asserted, according to spec */
1469         do {
1470                 /* Issue host command */
1471                 cecr_subblock =
1472                     ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1473                                                 ucc_num);
1474                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1475                              QE_CR_PROTOCOL_ETHERNET, 0);
1476                 msleep(10);
1477                 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1478         } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1479
1480         uccf->stopped_rx = 1;
1481
1482         return 0;
1483 }
1484
1485 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1486 {
1487         struct ucc_fast_private *uccf;
1488         u32 cecr_subblock;
1489
1490         uccf = ugeth->uccf;
1491
1492         cecr_subblock =
1493             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1494         qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1495         uccf->stopped_tx = 0;
1496
1497         return 0;
1498 }
1499
1500 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1501 {
1502         struct ucc_fast_private *uccf;
1503         u32 cecr_subblock;
1504
1505         uccf = ugeth->uccf;
1506
1507         cecr_subblock =
1508             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1509         qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1510                      0);
1511         uccf->stopped_rx = 0;
1512
1513         return 0;
1514 }
1515
1516 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1517 {
1518         struct ucc_fast_private *uccf;
1519         int enabled_tx, enabled_rx;
1520
1521         uccf = ugeth->uccf;
1522
1523         /* check if the UCC number is in range. */
1524         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1525                 if (netif_msg_probe(ugeth))
1526                         ugeth_err("%s: ucc_num out of range.", __func__);
1527                 return -EINVAL;
1528         }
1529
1530         enabled_tx = uccf->enabled_tx;
1531         enabled_rx = uccf->enabled_rx;
1532
1533         /* Get Tx and Rx going again, in case this channel was actively
1534         disabled. */
1535         if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1536                 ugeth_restart_tx(ugeth);
1537         if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1538                 ugeth_restart_rx(ugeth);
1539
1540         ucc_fast_enable(uccf, mode);    /* OK to do even if not disabled */
1541
1542         return 0;
1543
1544 }
1545
1546 static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1547 {
1548         struct ucc_fast_private *uccf;
1549
1550         uccf = ugeth->uccf;
1551
1552         /* check if the UCC number is in range. */
1553         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1554                 if (netif_msg_probe(ugeth))
1555                         ugeth_err("%s: ucc_num out of range.", __func__);
1556                 return -EINVAL;
1557         }
1558
1559         /* Stop any transmissions */
1560         if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1561                 ugeth_graceful_stop_tx(ugeth);
1562
1563         /* Stop any receptions */
1564         if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1565                 ugeth_graceful_stop_rx(ugeth);
1566
1567         ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1568
1569         return 0;
1570 }
1571
1572 static void ugeth_quiesce(struct ucc_geth_private *ugeth)
1573 {
1574         /* Prevent any further xmits, plus detach the device. */
1575         netif_device_detach(ugeth->ndev);
1576
1577         /* Wait for any current xmits to finish. */
1578         netif_tx_disable(ugeth->ndev);
1579
1580         /* Disable the interrupt to avoid NAPI rescheduling. */
1581         disable_irq(ugeth->ug_info->uf_info.irq);
1582
1583         /* Stop NAPI, and possibly wait for its completion. */
1584         napi_disable(&ugeth->napi);
1585 }
1586
1587 static void ugeth_activate(struct ucc_geth_private *ugeth)
1588 {
1589         napi_enable(&ugeth->napi);
1590         enable_irq(ugeth->ug_info->uf_info.irq);
1591         netif_device_attach(ugeth->ndev);
1592 }
1593
1594 /* Called every time the controller might need to be made
1595  * aware of new link state.  The PHY code conveys this
1596  * information through variables in the ugeth structure, and this
1597  * function converts those variables into the appropriate
1598  * register values, and can bring down the device if needed.
1599  */
1600
1601 static void adjust_link(struct net_device *dev)
1602 {
1603         struct ucc_geth_private *ugeth = netdev_priv(dev);
1604         struct ucc_geth __iomem *ug_regs;
1605         struct ucc_fast __iomem *uf_regs;
1606         struct phy_device *phydev = ugeth->phydev;
1607         int new_state = 0;
1608
1609         ug_regs = ugeth->ug_regs;
1610         uf_regs = ugeth->uccf->uf_regs;
1611
1612         if (phydev->link) {
1613                 u32 tempval = in_be32(&ug_regs->maccfg2);
1614                 u32 upsmr = in_be32(&uf_regs->upsmr);
1615                 /* Now we make sure that we can be in full duplex mode.
1616                  * If not, we operate in half-duplex mode. */
1617                 if (phydev->duplex != ugeth->oldduplex) {
1618                         new_state = 1;
1619                         if (!(phydev->duplex))
1620                                 tempval &= ~(MACCFG2_FDX);
1621                         else
1622                                 tempval |= MACCFG2_FDX;
1623                         ugeth->oldduplex = phydev->duplex;
1624                 }
1625
1626                 if (phydev->speed != ugeth->oldspeed) {
1627                         new_state = 1;
1628                         switch (phydev->speed) {
1629                         case SPEED_1000:
1630                                 tempval = ((tempval &
1631                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1632                                             MACCFG2_INTERFACE_MODE_BYTE);
1633                                 break;
1634                         case SPEED_100:
1635                         case SPEED_10:
1636                                 tempval = ((tempval &
1637                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1638                                             MACCFG2_INTERFACE_MODE_NIBBLE);
1639                                 /* if reduced mode, re-set UPSMR.R10M */
1640                                 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1641                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1642                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1643                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1644                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1645                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1646                                         if (phydev->speed == SPEED_10)
1647                                                 upsmr |= UCC_GETH_UPSMR_R10M;
1648                                         else
1649                                                 upsmr &= ~UCC_GETH_UPSMR_R10M;
1650                                 }
1651                                 break;
1652                         default:
1653                                 if (netif_msg_link(ugeth))
1654                                         ugeth_warn(
1655                                                 "%s: Ack!  Speed (%d) is not 10/100/1000!",
1656                                                 dev->name, phydev->speed);
1657                                 break;
1658                         }
1659                         ugeth->oldspeed = phydev->speed;
1660                 }
1661
1662                 if (!ugeth->oldlink) {
1663                         new_state = 1;
1664                         ugeth->oldlink = 1;
1665                 }
1666
1667                 if (new_state) {
1668                         /*
1669                          * To change the MAC configuration we need to disable
1670                          * the controller. To do so, we have to either grab
1671                          * ugeth->lock, which is a bad idea since 'graceful
1672                          * stop' commands might take quite a while, or we can
1673                          * quiesce driver's activity.
1674                          */
1675                         ugeth_quiesce(ugeth);
1676                         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
1677
1678                         out_be32(&ug_regs->maccfg2, tempval);
1679                         out_be32(&uf_regs->upsmr, upsmr);
1680
1681                         ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
1682                         ugeth_activate(ugeth);
1683                 }
1684         } else if (ugeth->oldlink) {
1685                         new_state = 1;
1686                         ugeth->oldlink = 0;
1687                         ugeth->oldspeed = 0;
1688                         ugeth->oldduplex = -1;
1689         }
1690
1691         if (new_state && netif_msg_link(ugeth))
1692                 phy_print_status(phydev);
1693 }
1694
1695 /* Initialize TBI PHY interface for communicating with the
1696  * SERDES lynx PHY on the chip.  We communicate with this PHY
1697  * through the MDIO bus on each controller, treating it as a
1698  * "normal" PHY at the address found in the UTBIPA register.  We assume
1699  * that the UTBIPA register is valid.  Either the MDIO bus code will set
1700  * it to a value that doesn't conflict with other PHYs on the bus, or the
1701  * value doesn't matter, as there are no other PHYs on the bus.
1702  */
1703 static void uec_configure_serdes(struct net_device *dev)
1704 {
1705         struct ucc_geth_private *ugeth = netdev_priv(dev);
1706         struct ucc_geth_info *ug_info = ugeth->ug_info;
1707         struct phy_device *tbiphy;
1708
1709         if (!ug_info->tbi_node) {
1710                 dev_warn(&dev->dev, "SGMII mode requires that the device "
1711                         "tree specify a tbi-handle\n");
1712                 return;
1713         }
1714
1715         tbiphy = of_phy_find_device(ug_info->tbi_node);
1716         if (!tbiphy) {
1717                 dev_err(&dev->dev, "error: Could not get TBI device\n");
1718                 return;
1719         }
1720
1721         /*
1722          * If the link is already up, we must already be ok, and don't need to
1723          * configure and reset the TBI<->SerDes link.  Maybe U-Boot configured
1724          * everything for us?  Resetting it takes the link down and requires
1725          * several seconds for it to come back.
1726          */
1727         if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS)
1728                 return;
1729
1730         /* Single clk mode, mii mode off(for serdes communication) */
1731         phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS);
1732
1733         phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
1734
1735         phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS);
1736 }
1737
1738 /* Configure the PHY for dev.
1739  * returns 0 if success.  -1 if failure
1740  */
1741 static int init_phy(struct net_device *dev)
1742 {
1743         struct ucc_geth_private *priv = netdev_priv(dev);
1744         struct ucc_geth_info *ug_info = priv->ug_info;
1745         struct phy_device *phydev;
1746
1747         priv->oldlink = 0;
1748         priv->oldspeed = 0;
1749         priv->oldduplex = -1;
1750
1751         phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0,
1752                                 priv->phy_interface);
1753         if (!phydev)
1754                 phydev = of_phy_connect_fixed_link(dev, &adjust_link,
1755                                                    priv->phy_interface);
1756         if (!phydev) {
1757                 dev_err(&dev->dev, "Could not attach to PHY\n");
1758                 return -ENODEV;
1759         }
1760
1761         if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII)
1762                 uec_configure_serdes(dev);
1763
1764         phydev->supported &= (ADVERTISED_10baseT_Half |
1765                                  ADVERTISED_10baseT_Full |
1766                                  ADVERTISED_100baseT_Half |
1767                                  ADVERTISED_100baseT_Full);
1768
1769         if (priv->max_speed == SPEED_1000)
1770                 phydev->supported |= ADVERTISED_1000baseT_Full;
1771
1772         phydev->advertising = phydev->supported;
1773
1774         priv->phydev = phydev;
1775
1776         return 0;
1777 }
1778
1779 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1780 {
1781 #ifdef DEBUG
1782         ucc_fast_dump_regs(ugeth->uccf);
1783         dump_regs(ugeth);
1784         dump_bds(ugeth);
1785 #endif
1786 }
1787
1788 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1789                                                        ugeth,
1790                                                        enum enet_addr_type
1791                                                        enet_addr_type)
1792 {
1793         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1794         struct ucc_fast_private *uccf;
1795         enum comm_dir comm_dir;
1796         struct list_head *p_lh;
1797         u16 i, num;
1798         u32 __iomem *addr_h;
1799         u32 __iomem *addr_l;
1800         u8 *p_counter;
1801
1802         uccf = ugeth->uccf;
1803
1804         p_82xx_addr_filt =
1805             (struct ucc_geth_82xx_address_filtering_pram __iomem *)
1806             ugeth->p_rx_glbl_pram->addressfiltering;
1807
1808         if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
1809                 addr_h = &(p_82xx_addr_filt->gaddr_h);
1810                 addr_l = &(p_82xx_addr_filt->gaddr_l);
1811                 p_lh = &ugeth->group_hash_q;
1812                 p_counter = &(ugeth->numGroupAddrInHash);
1813         } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
1814                 addr_h = &(p_82xx_addr_filt->iaddr_h);
1815                 addr_l = &(p_82xx_addr_filt->iaddr_l);
1816                 p_lh = &ugeth->ind_hash_q;
1817                 p_counter = &(ugeth->numIndAddrInHash);
1818         } else
1819                 return -EINVAL;
1820
1821         comm_dir = 0;
1822         if (uccf->enabled_tx)
1823                 comm_dir |= COMM_DIR_TX;
1824         if (uccf->enabled_rx)
1825                 comm_dir |= COMM_DIR_RX;
1826         if (comm_dir)
1827                 ugeth_disable(ugeth, comm_dir);
1828
1829         /* Clear the hash table. */
1830         out_be32(addr_h, 0x00000000);
1831         out_be32(addr_l, 0x00000000);
1832
1833         if (!p_lh)
1834                 return 0;
1835
1836         num = *p_counter;
1837
1838         /* Delete all remaining CQ elements */
1839         for (i = 0; i < num; i++)
1840                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
1841
1842         *p_counter = 0;
1843
1844         if (comm_dir)
1845                 ugeth_enable(ugeth, comm_dir);
1846
1847         return 0;
1848 }
1849
1850 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
1851                                                     u8 paddr_num)
1852 {
1853         ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
1854         return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
1855 }
1856
1857 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
1858 {
1859         u16 i, j;
1860         u8 __iomem *bd;
1861
1862         if (!ugeth)
1863                 return;
1864
1865         if (ugeth->uccf) {
1866                 ucc_fast_free(ugeth->uccf);
1867                 ugeth->uccf = NULL;
1868         }
1869
1870         if (ugeth->p_thread_data_tx) {
1871                 qe_muram_free(ugeth->thread_dat_tx_offset);
1872                 ugeth->p_thread_data_tx = NULL;
1873         }
1874         if (ugeth->p_thread_data_rx) {
1875                 qe_muram_free(ugeth->thread_dat_rx_offset);
1876                 ugeth->p_thread_data_rx = NULL;
1877         }
1878         if (ugeth->p_exf_glbl_param) {
1879                 qe_muram_free(ugeth->exf_glbl_param_offset);
1880                 ugeth->p_exf_glbl_param = NULL;
1881         }
1882         if (ugeth->p_rx_glbl_pram) {
1883                 qe_muram_free(ugeth->rx_glbl_pram_offset);
1884                 ugeth->p_rx_glbl_pram = NULL;
1885         }
1886         if (ugeth->p_tx_glbl_pram) {
1887                 qe_muram_free(ugeth->tx_glbl_pram_offset);
1888                 ugeth->p_tx_glbl_pram = NULL;
1889         }
1890         if (ugeth->p_send_q_mem_reg) {
1891                 qe_muram_free(ugeth->send_q_mem_reg_offset);
1892                 ugeth->p_send_q_mem_reg = NULL;
1893         }
1894         if (ugeth->p_scheduler) {
1895                 qe_muram_free(ugeth->scheduler_offset);
1896                 ugeth->p_scheduler = NULL;
1897         }
1898         if (ugeth->p_tx_fw_statistics_pram) {
1899                 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
1900                 ugeth->p_tx_fw_statistics_pram = NULL;
1901         }
1902         if (ugeth->p_rx_fw_statistics_pram) {
1903                 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
1904                 ugeth->p_rx_fw_statistics_pram = NULL;
1905         }
1906         if (ugeth->p_rx_irq_coalescing_tbl) {
1907                 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
1908                 ugeth->p_rx_irq_coalescing_tbl = NULL;
1909         }
1910         if (ugeth->p_rx_bd_qs_tbl) {
1911                 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
1912                 ugeth->p_rx_bd_qs_tbl = NULL;
1913         }
1914         if (ugeth->p_init_enet_param_shadow) {
1915                 return_init_enet_entries(ugeth,
1916                                          &(ugeth->p_init_enet_param_shadow->
1917                                            rxthread[0]),
1918                                          ENET_INIT_PARAM_MAX_ENTRIES_RX,
1919                                          ugeth->ug_info->riscRx, 1);
1920                 return_init_enet_entries(ugeth,
1921                                          &(ugeth->p_init_enet_param_shadow->
1922                                            txthread[0]),
1923                                          ENET_INIT_PARAM_MAX_ENTRIES_TX,
1924                                          ugeth->ug_info->riscTx, 0);
1925                 kfree(ugeth->p_init_enet_param_shadow);
1926                 ugeth->p_init_enet_param_shadow = NULL;
1927         }
1928         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1929                 bd = ugeth->p_tx_bd_ring[i];
1930                 if (!bd)
1931                         continue;
1932                 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
1933                         if (ugeth->tx_skbuff[i][j]) {
1934                                 dma_unmap_single(ugeth->dev,
1935                                                  in_be32(&((struct qe_bd __iomem *)bd)->buf),
1936                                                  (in_be32((u32 __iomem *)bd) &
1937                                                   BD_LENGTH_MASK),
1938                                                  DMA_TO_DEVICE);
1939                                 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
1940                                 ugeth->tx_skbuff[i][j] = NULL;
1941                         }
1942                 }
1943
1944                 kfree(ugeth->tx_skbuff[i]);
1945
1946                 if (ugeth->p_tx_bd_ring[i]) {
1947                         if (ugeth->ug_info->uf_info.bd_mem_part ==
1948                             MEM_PART_SYSTEM)
1949                                 kfree((void *)ugeth->tx_bd_ring_offset[i]);
1950                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
1951                                  MEM_PART_MURAM)
1952                                 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
1953                         ugeth->p_tx_bd_ring[i] = NULL;
1954                 }
1955         }
1956         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1957                 if (ugeth->p_rx_bd_ring[i]) {
1958                         /* Return existing data buffers in ring */
1959                         bd = ugeth->p_rx_bd_ring[i];
1960                         for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
1961                                 if (ugeth->rx_skbuff[i][j]) {
1962                                         dma_unmap_single(ugeth->dev,
1963                                                 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1964                                                 ugeth->ug_info->
1965                                                 uf_info.max_rx_buf_length +
1966                                                 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
1967                                                 DMA_FROM_DEVICE);
1968                                         dev_kfree_skb_any(
1969                                                 ugeth->rx_skbuff[i][j]);
1970                                         ugeth->rx_skbuff[i][j] = NULL;
1971                                 }
1972                                 bd += sizeof(struct qe_bd);
1973                         }
1974
1975                         kfree(ugeth->rx_skbuff[i]);
1976
1977                         if (ugeth->ug_info->uf_info.bd_mem_part ==
1978                             MEM_PART_SYSTEM)
1979                                 kfree((void *)ugeth->rx_bd_ring_offset[i]);
1980                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
1981                                  MEM_PART_MURAM)
1982                                 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
1983                         ugeth->p_rx_bd_ring[i] = NULL;
1984                 }
1985         }
1986         while (!list_empty(&ugeth->group_hash_q))
1987                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1988                                         (dequeue(&ugeth->group_hash_q)));
1989         while (!list_empty(&ugeth->ind_hash_q))
1990                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1991                                         (dequeue(&ugeth->ind_hash_q)));
1992         if (ugeth->ug_regs) {
1993                 iounmap(ugeth->ug_regs);
1994                 ugeth->ug_regs = NULL;
1995         }
1996
1997         skb_queue_purge(&ugeth->rx_recycle);
1998 }
1999
2000 static void ucc_geth_set_multi(struct net_device *dev)
2001 {
2002         struct ucc_geth_private *ugeth;
2003         struct netdev_hw_addr *ha;
2004         struct ucc_fast __iomem *uf_regs;
2005         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2006
2007         ugeth = netdev_priv(dev);
2008
2009         uf_regs = ugeth->uccf->uf_regs;
2010
2011         if (dev->flags & IFF_PROMISC) {
2012                 setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
2013         } else {
2014                 clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
2015
2016                 p_82xx_addr_filt =
2017                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2018                     p_rx_glbl_pram->addressfiltering;
2019
2020                 if (dev->flags & IFF_ALLMULTI) {
2021                         /* Catch all multicast addresses, so set the
2022                          * filter to all 1's.
2023                          */
2024                         out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2025                         out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2026                 } else {
2027                         /* Clear filter and add the addresses in the list.
2028                          */
2029                         out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2030                         out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2031
2032                         netdev_for_each_mc_addr(ha, dev) {
2033                                 /* Ask CPM to run CRC and set bit in
2034                                  * filter mask.
2035                                  */
2036                                 hw_add_addr_in_hash(ugeth, ha->addr);
2037                         }
2038                 }
2039         }
2040 }
2041
2042 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2043 {
2044         struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2045         struct phy_device *phydev = ugeth->phydev;
2046
2047         ugeth_vdbg("%s: IN", __func__);
2048
2049         /*
2050          * Tell the kernel the link is down.
2051          * Must be done before disabling the controller
2052          * or deadlock may happen.
2053          */
2054         phy_stop(phydev);
2055
2056         /* Disable the controller */
2057         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2058
2059         /* Mask all interrupts */
2060         out_be32(ugeth->uccf->p_uccm, 0x00000000);
2061
2062         /* Clear all interrupts */
2063         out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2064
2065         /* Disable Rx and Tx */
2066         clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2067
2068         ucc_geth_memclean(ugeth);
2069 }
2070
2071 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2072 {
2073         struct ucc_geth_info *ug_info;
2074         struct ucc_fast_info *uf_info;
2075         int i;
2076
2077         ug_info = ugeth->ug_info;
2078         uf_info = &ug_info->uf_info;
2079
2080         if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2081               (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2082                 if (netif_msg_probe(ugeth))
2083                         ugeth_err("%s: Bad memory partition value.",
2084                                         __func__);
2085                 return -EINVAL;
2086         }
2087
2088         /* Rx BD lengths */
2089         for (i = 0; i < ug_info->numQueuesRx; i++) {
2090                 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2091                     (ug_info->bdRingLenRx[i] %
2092                      UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2093                         if (netif_msg_probe(ugeth))
2094                                 ugeth_err
2095                                     ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2096                                         __func__);
2097                         return -EINVAL;
2098                 }
2099         }
2100
2101         /* Tx BD lengths */
2102         for (i = 0; i < ug_info->numQueuesTx; i++) {
2103                 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2104                         if (netif_msg_probe(ugeth))
2105                                 ugeth_err
2106                                     ("%s: Tx BD ring length must be no smaller than 2.",
2107                                      __func__);
2108                         return -EINVAL;
2109                 }
2110         }
2111
2112         /* mrblr */
2113         if ((uf_info->max_rx_buf_length == 0) ||
2114             (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2115                 if (netif_msg_probe(ugeth))
2116                         ugeth_err
2117                             ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2118                              __func__);
2119                 return -EINVAL;
2120         }
2121
2122         /* num Tx queues */
2123         if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2124                 if (netif_msg_probe(ugeth))
2125                         ugeth_err("%s: number of tx queues too large.", __func__);
2126                 return -EINVAL;
2127         }
2128
2129         /* num Rx queues */
2130         if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2131                 if (netif_msg_probe(ugeth))
2132                         ugeth_err("%s: number of rx queues too large.", __func__);
2133                 return -EINVAL;
2134         }
2135
2136         /* l2qt */
2137         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2138                 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2139                         if (netif_msg_probe(ugeth))
2140                                 ugeth_err
2141                                     ("%s: VLAN priority table entry must not be"
2142                                         " larger than number of Rx queues.",
2143                                      __func__);
2144                         return -EINVAL;
2145                 }
2146         }
2147
2148         /* l3qt */
2149         for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2150                 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2151                         if (netif_msg_probe(ugeth))
2152                                 ugeth_err
2153                                     ("%s: IP priority table entry must not be"
2154                                         " larger than number of Rx queues.",
2155                                      __func__);
2156                         return -EINVAL;
2157                 }
2158         }
2159
2160         if (ug_info->cam && !ug_info->ecamptr) {
2161                 if (netif_msg_probe(ugeth))
2162                         ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2163                                   __func__);
2164                 return -EINVAL;
2165         }
2166
2167         if ((ug_info->numStationAddresses !=
2168              UCC_GETH_NUM_OF_STATION_ADDRESSES_1) &&
2169             ug_info->rxExtendedFiltering) {
2170                 if (netif_msg_probe(ugeth))
2171                         ugeth_err("%s: Number of station addresses greater than 1 "
2172                                   "not allowed in extended parsing mode.",
2173                                   __func__);
2174                 return -EINVAL;
2175         }
2176
2177         /* Generate uccm_mask for receive */
2178         uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2179         for (i = 0; i < ug_info->numQueuesRx; i++)
2180                 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
2181
2182         for (i = 0; i < ug_info->numQueuesTx; i++)
2183                 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
2184         /* Initialize the general fast UCC block. */
2185         if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2186                 if (netif_msg_probe(ugeth))
2187                         ugeth_err("%s: Failed to init uccf.", __func__);
2188                 return -ENOMEM;
2189         }
2190
2191         /* read the number of risc engines, update the riscTx and riscRx
2192          * if there are 4 riscs in QE
2193          */
2194         if (qe_get_num_of_risc() == 4) {
2195                 ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS;
2196                 ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS;
2197         }
2198
2199         ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2200         if (!ugeth->ug_regs) {
2201                 if (netif_msg_probe(ugeth))
2202                         ugeth_err("%s: Failed to ioremap regs.", __func__);
2203                 return -ENOMEM;
2204         }
2205
2206         skb_queue_head_init(&ugeth->rx_recycle);
2207
2208         return 0;
2209 }
2210
2211 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2212 {
2213         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2214         struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2215         struct ucc_fast_private *uccf;
2216         struct ucc_geth_info *ug_info;
2217         struct ucc_fast_info *uf_info;
2218         struct ucc_fast __iomem *uf_regs;
2219         struct ucc_geth __iomem *ug_regs;
2220         int ret_val = -EINVAL;
2221         u32 remoder = UCC_GETH_REMODER_INIT;
2222         u32 init_enet_pram_offset, cecr_subblock, command;
2223         u32 ifstat, i, j, size, l2qt, l3qt, length;
2224         u16 temoder = UCC_GETH_TEMODER_INIT;
2225         u16 test;
2226         u8 function_code = 0;
2227         u8 __iomem *bd;
2228         u8 __iomem *endOfRing;
2229         u8 numThreadsRxNumerical, numThreadsTxNumerical;
2230
2231         ugeth_vdbg("%s: IN", __func__);
2232         uccf = ugeth->uccf;
2233         ug_info = ugeth->ug_info;
2234         uf_info = &ug_info->uf_info;
2235         uf_regs = uccf->uf_regs;
2236         ug_regs = ugeth->ug_regs;
2237
2238         switch (ug_info->numThreadsRx) {
2239         case UCC_GETH_NUM_OF_THREADS_1:
2240                 numThreadsRxNumerical = 1;
2241                 break;
2242         case UCC_GETH_NUM_OF_THREADS_2:
2243                 numThreadsRxNumerical = 2;
2244                 break;
2245         case UCC_GETH_NUM_OF_THREADS_4:
2246                 numThreadsRxNumerical = 4;
2247                 break;
2248         case UCC_GETH_NUM_OF_THREADS_6:
2249                 numThreadsRxNumerical = 6;
2250                 break;
2251         case UCC_GETH_NUM_OF_THREADS_8:
2252                 numThreadsRxNumerical = 8;
2253                 break;
2254         default:
2255                 if (netif_msg_ifup(ugeth))
2256                         ugeth_err("%s: Bad number of Rx threads value.",
2257                                         __func__);
2258                 return -EINVAL;
2259                 break;
2260         }
2261
2262         switch (ug_info->numThreadsTx) {
2263         case UCC_GETH_NUM_OF_THREADS_1:
2264                 numThreadsTxNumerical = 1;
2265                 break;
2266         case UCC_GETH_NUM_OF_THREADS_2:
2267                 numThreadsTxNumerical = 2;
2268                 break;
2269         case UCC_GETH_NUM_OF_THREADS_4:
2270                 numThreadsTxNumerical = 4;
2271                 break;
2272         case UCC_GETH_NUM_OF_THREADS_6:
2273                 numThreadsTxNumerical = 6;
2274                 break;
2275         case UCC_GETH_NUM_OF_THREADS_8:
2276                 numThreadsTxNumerical = 8;
2277                 break;
2278         default:
2279                 if (netif_msg_ifup(ugeth))
2280                         ugeth_err("%s: Bad number of Tx threads value.",
2281                                         __func__);
2282                 return -EINVAL;
2283                 break;
2284         }
2285
2286         /* Calculate rx_extended_features */
2287         ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2288             ug_info->ipAddressAlignment ||
2289             (ug_info->numStationAddresses !=
2290              UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2291
2292         ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2293                 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) ||
2294                 (ug_info->vlanOperationNonTagged !=
2295                  UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2296
2297         init_default_reg_vals(&uf_regs->upsmr,
2298                               &ug_regs->maccfg1, &ug_regs->maccfg2);
2299
2300         /*                    Set UPSMR                      */
2301         /* For more details see the hardware spec.           */
2302         init_rx_parameters(ug_info->bro,
2303                            ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2304
2305         /* We're going to ignore other registers for now, */
2306         /* except as needed to get up and running         */
2307
2308         /*                    Set MACCFG1                    */
2309         /* For more details see the hardware spec.           */
2310         init_flow_control_params(ug_info->aufc,
2311                                  ug_info->receiveFlowControl,
2312                                  ug_info->transmitFlowControl,
2313                                  ug_info->pausePeriod,
2314                                  ug_info->extensionField,
2315                                  &uf_regs->upsmr,
2316                                  &ug_regs->uempr, &ug_regs->maccfg1);
2317
2318         setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2319
2320         /*                    Set IPGIFG                     */
2321         /* For more details see the hardware spec.           */
2322         ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2323                                               ug_info->nonBackToBackIfgPart2,
2324                                               ug_info->
2325                                               miminumInterFrameGapEnforcement,
2326                                               ug_info->backToBackInterFrameGap,
2327                                               &ug_regs->ipgifg);
2328         if (ret_val != 0) {
2329                 if (netif_msg_ifup(ugeth))
2330                         ugeth_err("%s: IPGIFG initialization parameter too large.",
2331                                   __func__);
2332                 return ret_val;
2333         }
2334
2335         /*                    Set HAFDUP                     */
2336         /* For more details see the hardware spec.           */
2337         ret_val = init_half_duplex_params(ug_info->altBeb,
2338                                           ug_info->backPressureNoBackoff,
2339                                           ug_info->noBackoff,
2340                                           ug_info->excessDefer,
2341                                           ug_info->altBebTruncation,
2342                                           ug_info->maxRetransmission,
2343                                           ug_info->collisionWindow,
2344                                           &ug_regs->hafdup);
2345         if (ret_val != 0) {
2346                 if (netif_msg_ifup(ugeth))
2347                         ugeth_err("%s: Half Duplex initialization parameter too large.",
2348                           __func__);
2349                 return ret_val;
2350         }
2351
2352         /*                    Set IFSTAT                     */
2353         /* For more details see the hardware spec.           */
2354         /* Read only - resets upon read                      */
2355         ifstat = in_be32(&ug_regs->ifstat);
2356
2357         /*                    Clear UEMPR                    */
2358         /* For more details see the hardware spec.           */
2359         out_be32(&ug_regs->uempr, 0);
2360
2361         /*                    Set UESCR                      */
2362         /* For more details see the hardware spec.           */
2363         init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2364                                 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2365                                 0, &uf_regs->upsmr, &ug_regs->uescr);
2366
2367         /* Allocate Tx bds */
2368         for (j = 0; j < ug_info->numQueuesTx; j++) {
2369                 /* Allocate in multiple of
2370                    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2371                    according to spec */
2372                 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2373                           / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2374                     * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2375                 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2376                     UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2377                         length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2378                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2379                         u32 align = 4;
2380                         if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2381                                 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2382                         ugeth->tx_bd_ring_offset[j] =
2383                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2384
2385                         if (ugeth->tx_bd_ring_offset[j] != 0)
2386                                 ugeth->p_tx_bd_ring[j] =
2387                                         (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2388                                         align) & ~(align - 1));
2389                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2390                         ugeth->tx_bd_ring_offset[j] =
2391                             qe_muram_alloc(length,
2392                                            UCC_GETH_TX_BD_RING_ALIGNMENT);
2393                         if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2394                                 ugeth->p_tx_bd_ring[j] =
2395                                     (u8 __iomem *) qe_muram_addr(ugeth->
2396                                                          tx_bd_ring_offset[j]);
2397                 }
2398                 if (!ugeth->p_tx_bd_ring[j]) {
2399                         if (netif_msg_ifup(ugeth))
2400                                 ugeth_err
2401                                     ("%s: Can not allocate memory for Tx bd rings.",
2402                                      __func__);
2403                         return -ENOMEM;
2404                 }
2405                 /* Zero unused end of bd ring, according to spec */
2406                 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2407                        ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2408                        length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2409         }
2410
2411         /* Allocate Rx bds */
2412         for (j = 0; j < ug_info->numQueuesRx; j++) {
2413                 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2414                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2415                         u32 align = 4;
2416                         if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2417                                 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2418                         ugeth->rx_bd_ring_offset[j] =
2419                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2420                         if (ugeth->rx_bd_ring_offset[j] != 0)
2421                                 ugeth->p_rx_bd_ring[j] =
2422                                         (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2423                                         align) & ~(align - 1));
2424                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2425                         ugeth->rx_bd_ring_offset[j] =
2426                             qe_muram_alloc(length,
2427                                            UCC_GETH_RX_BD_RING_ALIGNMENT);
2428                         if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2429                                 ugeth->p_rx_bd_ring[j] =
2430                                     (u8 __iomem *) qe_muram_addr(ugeth->
2431                                                          rx_bd_ring_offset[j]);
2432                 }
2433                 if (!ugeth->p_rx_bd_ring[j]) {
2434                         if (netif_msg_ifup(ugeth))
2435                                 ugeth_err
2436                                     ("%s: Can not allocate memory for Rx bd rings.",
2437                                      __func__);
2438                         return -ENOMEM;
2439                 }
2440         }
2441
2442         /* Init Tx bds */
2443         for (j = 0; j < ug_info->numQueuesTx; j++) {
2444                 /* Setup the skbuff rings */
2445                 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2446                                               ugeth->ug_info->bdRingLenTx[j],
2447                                               GFP_KERNEL);
2448
2449                 if (ugeth->tx_skbuff[j] == NULL) {
2450                         if (netif_msg_ifup(ugeth))
2451                                 ugeth_err("%s: Could not allocate tx_skbuff",
2452                                           __func__);
2453                         return -ENOMEM;
2454                 }
2455
2456                 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2457                         ugeth->tx_skbuff[j][i] = NULL;
2458
2459                 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2460                 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2461                 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2462                         /* clear bd buffer */
2463                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2464                         /* set bd status and length */
2465                         out_be32((u32 __iomem *)bd, 0);
2466                         bd += sizeof(struct qe_bd);
2467                 }
2468                 bd -= sizeof(struct qe_bd);
2469                 /* set bd status and length */
2470                 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2471         }
2472
2473         /* Init Rx bds */
2474         for (j = 0; j < ug_info->numQueuesRx; j++) {
2475                 /* Setup the skbuff rings */
2476                 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2477                                               ugeth->ug_info->bdRingLenRx[j],
2478                                               GFP_KERNEL);
2479
2480                 if (ugeth->rx_skbuff[j] == NULL) {
2481                         if (netif_msg_ifup(ugeth))
2482                                 ugeth_err("%s: Could not allocate rx_skbuff",
2483                                           __func__);
2484                         return -ENOMEM;
2485                 }
2486
2487                 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2488                         ugeth->rx_skbuff[j][i] = NULL;
2489
2490                 ugeth->skb_currx[j] = 0;
2491                 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2492                 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2493                         /* set bd status and length */
2494                         out_be32((u32 __iomem *)bd, R_I);
2495                         /* clear bd buffer */
2496                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2497                         bd += sizeof(struct qe_bd);
2498                 }
2499                 bd -= sizeof(struct qe_bd);
2500                 /* set bd status and length */
2501                 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2502         }
2503
2504         /*
2505          * Global PRAM
2506          */
2507         /* Tx global PRAM */
2508         /* Allocate global tx parameter RAM page */
2509         ugeth->tx_glbl_pram_offset =
2510             qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2511                            UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2512         if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2513                 if (netif_msg_ifup(ugeth))
2514                         ugeth_err
2515                             ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2516                              __func__);
2517                 return -ENOMEM;
2518         }
2519         ugeth->p_tx_glbl_pram =
2520             (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2521                                                         tx_glbl_pram_offset);
2522         /* Zero out p_tx_glbl_pram */
2523         memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2524
2525         /* Fill global PRAM */
2526
2527         /* TQPTR */
2528         /* Size varies with number of Tx threads */
2529         ugeth->thread_dat_tx_offset =
2530             qe_muram_alloc(numThreadsTxNumerical *
2531                            sizeof(struct ucc_geth_thread_data_tx) +
2532                            32 * (numThreadsTxNumerical == 1),
2533                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2534         if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2535                 if (netif_msg_ifup(ugeth))
2536                         ugeth_err
2537                             ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2538                              __func__);
2539                 return -ENOMEM;
2540         }
2541
2542         ugeth->p_thread_data_tx =
2543             (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2544                                                         thread_dat_tx_offset);
2545         out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2546
2547         /* vtagtable */
2548         for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2549                 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2550                          ug_info->vtagtable[i]);
2551
2552         /* iphoffset */
2553         for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2554                 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2555                                 ug_info->iphoffset[i]);
2556
2557         /* SQPTR */
2558         /* Size varies with number of Tx queues */
2559         ugeth->send_q_mem_reg_offset =
2560             qe_muram_alloc(ug_info->numQueuesTx *
2561                            sizeof(struct ucc_geth_send_queue_qd),
2562                            UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2563         if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2564                 if (netif_msg_ifup(ugeth))
2565                         ugeth_err
2566                             ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2567                              __func__);
2568                 return -ENOMEM;
2569         }
2570
2571         ugeth->p_send_q_mem_reg =
2572             (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2573                         send_q_mem_reg_offset);
2574         out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2575
2576         /* Setup the table */
2577         /* Assume BD rings are already established */
2578         for (i = 0; i < ug_info->numQueuesTx; i++) {
2579                 endOfRing =
2580                     ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2581                                               1) * sizeof(struct qe_bd);
2582                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2583                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2584                                  (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2585                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2586                                  last_bd_completed_address,
2587                                  (u32) virt_to_phys(endOfRing));
2588                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2589                            MEM_PART_MURAM) {
2590                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2591                                  (u32) immrbar_virt_to_phys(ugeth->
2592                                                             p_tx_bd_ring[i]));
2593                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2594                                  last_bd_completed_address,
2595                                  (u32) immrbar_virt_to_phys(endOfRing));
2596                 }
2597         }
2598
2599         /* schedulerbasepointer */
2600
2601         if (ug_info->numQueuesTx > 1) {
2602         /* scheduler exists only if more than 1 tx queue */
2603                 ugeth->scheduler_offset =
2604                     qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2605                                    UCC_GETH_SCHEDULER_ALIGNMENT);
2606                 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2607                         if (netif_msg_ifup(ugeth))
2608                                 ugeth_err
2609                                  ("%s: Can not allocate DPRAM memory for p_scheduler.",
2610                                      __func__);
2611                         return -ENOMEM;
2612                 }
2613
2614                 ugeth->p_scheduler =
2615                     (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2616                                                            scheduler_offset);
2617                 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2618                          ugeth->scheduler_offset);
2619                 /* Zero out p_scheduler */
2620                 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2621
2622                 /* Set values in scheduler */
2623                 out_be32(&ugeth->p_scheduler->mblinterval,
2624                          ug_info->mblinterval);
2625                 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2626                          ug_info->nortsrbytetime);
2627                 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2628                 out_8(&ugeth->p_scheduler->strictpriorityq,
2629                                 ug_info->strictpriorityq);
2630                 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2631                 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2632                 for (i = 0; i < NUM_TX_QUEUES; i++)
2633                         out_8(&ugeth->p_scheduler->weightfactor[i],
2634                             ug_info->weightfactor[i]);
2635
2636                 /* Set pointers to cpucount registers in scheduler */
2637                 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2638                 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2639                 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2640                 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2641                 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2642                 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2643                 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2644                 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2645         }
2646
2647         /* schedulerbasepointer */
2648         /* TxRMON_PTR (statistics) */
2649         if (ug_info->
2650             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2651                 ugeth->tx_fw_statistics_pram_offset =
2652                     qe_muram_alloc(sizeof
2653                                    (struct ucc_geth_tx_firmware_statistics_pram),
2654                                    UCC_GETH_TX_STATISTICS_ALIGNMENT);
2655                 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2656                         if (netif_msg_ifup(ugeth))
2657                                 ugeth_err
2658                                     ("%s: Can not allocate DPRAM memory for"
2659                                         " p_tx_fw_statistics_pram.",
2660                                         __func__);
2661                         return -ENOMEM;
2662                 }
2663                 ugeth->p_tx_fw_statistics_pram =
2664                     (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2665                     qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2666                 /* Zero out p_tx_fw_statistics_pram */
2667                 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2668                        0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2669         }
2670
2671         /* temoder */
2672         /* Already has speed set */
2673
2674         if (ug_info->numQueuesTx > 1)
2675                 temoder |= TEMODER_SCHEDULER_ENABLE;
2676         if (ug_info->ipCheckSumGenerate)
2677                 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2678         temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2679         out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2680
2681         test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2682
2683         /* Function code register value to be used later */
2684         function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2685         /* Required for QE */
2686
2687         /* function code register */
2688         out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2689
2690         /* Rx global PRAM */
2691         /* Allocate global rx parameter RAM page */
2692         ugeth->rx_glbl_pram_offset =
2693             qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2694                            UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2695         if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2696                 if (netif_msg_ifup(ugeth))
2697                         ugeth_err
2698                             ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2699                              __func__);
2700                 return -ENOMEM;
2701         }
2702         ugeth->p_rx_glbl_pram =
2703             (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2704                                                         rx_glbl_pram_offset);
2705         /* Zero out p_rx_glbl_pram */
2706         memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2707
2708         /* Fill global PRAM */
2709
2710         /* RQPTR */
2711         /* Size varies with number of Rx threads */
2712         ugeth->thread_dat_rx_offset =
2713             qe_muram_alloc(numThreadsRxNumerical *
2714                            sizeof(struct ucc_geth_thread_data_rx),
2715                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2716         if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2717                 if (netif_msg_ifup(ugeth))
2718                         ugeth_err
2719                             ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2720                              __func__);
2721                 return -ENOMEM;
2722         }
2723
2724         ugeth->p_thread_data_rx =
2725             (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2726                                                         thread_dat_rx_offset);
2727         out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2728
2729         /* typeorlen */
2730         out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2731
2732         /* rxrmonbaseptr (statistics) */
2733         if (ug_info->
2734             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2735                 ugeth->rx_fw_statistics_pram_offset =
2736                     qe_muram_alloc(sizeof
2737                                    (struct ucc_geth_rx_firmware_statistics_pram),
2738                                    UCC_GETH_RX_STATISTICS_ALIGNMENT);
2739                 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2740                         if (netif_msg_ifup(ugeth))
2741                                 ugeth_err
2742                                         ("%s: Can not allocate DPRAM memory for"
2743                                         " p_rx_fw_statistics_pram.", __func__);
2744                         return -ENOMEM;
2745                 }
2746                 ugeth->p_rx_fw_statistics_pram =
2747                     (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2748                     qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2749                 /* Zero out p_rx_fw_statistics_pram */
2750                 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2751                        sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2752         }
2753
2754         /* intCoalescingPtr */
2755
2756         /* Size varies with number of Rx queues */
2757         ugeth->rx_irq_coalescing_tbl_offset =
2758             qe_muram_alloc(ug_info->numQueuesRx *
2759                            sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2760                            + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2761         if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2762                 if (netif_msg_ifup(ugeth))
2763                         ugeth_err
2764                             ("%s: Can not allocate DPRAM memory for"
2765                                 " p_rx_irq_coalescing_tbl.", __func__);
2766                 return -ENOMEM;
2767         }
2768
2769         ugeth->p_rx_irq_coalescing_tbl =
2770             (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2771             qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2772         out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2773                  ugeth->rx_irq_coalescing_tbl_offset);
2774
2775         /* Fill interrupt coalescing table */
2776         for (i = 0; i < ug_info->numQueuesRx; i++) {
2777                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2778                          interruptcoalescingmaxvalue,
2779                          ug_info->interruptcoalescingmaxvalue[i]);
2780                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2781                          interruptcoalescingcounter,
2782                          ug_info->interruptcoalescingmaxvalue[i]);
2783         }
2784
2785         /* MRBLR */
2786         init_max_rx_buff_len(uf_info->max_rx_buf_length,
2787                              &ugeth->p_rx_glbl_pram->mrblr);
2788         /* MFLR */
2789         out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2790         /* MINFLR */
2791         init_min_frame_len(ug_info->minFrameLength,
2792                            &ugeth->p_rx_glbl_pram->minflr,
2793                            &ugeth->p_rx_glbl_pram->mrblr);
2794         /* MAXD1 */
2795         out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2796         /* MAXD2 */
2797         out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2798
2799         /* l2qt */
2800         l2qt = 0;
2801         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2802                 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2803         out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2804
2805         /* l3qt */
2806         for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2807                 l3qt = 0;
2808                 for (i = 0; i < 8; i++)
2809                         l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
2810                 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
2811         }
2812
2813         /* vlantype */
2814         out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2815
2816         /* vlantci */
2817         out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2818
2819         /* ecamptr */
2820         out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2821
2822         /* RBDQPTR */
2823         /* Size varies with number of Rx queues */
2824         ugeth->rx_bd_qs_tbl_offset =
2825             qe_muram_alloc(ug_info->numQueuesRx *
2826                            (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2827                             sizeof(struct ucc_geth_rx_prefetched_bds)),
2828                            UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
2829         if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
2830                 if (netif_msg_ifup(ugeth))
2831                         ugeth_err
2832                             ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
2833                              __func__);
2834                 return -ENOMEM;
2835         }
2836
2837         ugeth->p_rx_bd_qs_tbl =
2838             (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
2839                                     rx_bd_qs_tbl_offset);
2840         out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2841         /* Zero out p_rx_bd_qs_tbl */
2842         memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
2843                0,
2844                ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2845                                        sizeof(struct ucc_geth_rx_prefetched_bds)));
2846
2847         /* Setup the table */
2848         /* Assume BD rings are already established */
2849         for (i = 0; i < ug_info->numQueuesRx; i++) {
2850                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2851                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2852                                  (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2853                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2854                            MEM_PART_MURAM) {
2855                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2856                                  (u32) immrbar_virt_to_phys(ugeth->
2857                                                             p_rx_bd_ring[i]));
2858                 }
2859                 /* rest of fields handled by QE */
2860         }
2861
2862         /* remoder */
2863         /* Already has speed set */
2864
2865         if (ugeth->rx_extended_features)
2866                 remoder |= REMODER_RX_EXTENDED_FEATURES;
2867         if (ug_info->rxExtendedFiltering)
2868                 remoder |= REMODER_RX_EXTENDED_FILTERING;
2869         if (ug_info->dynamicMaxFrameLength)
2870                 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2871         if (ug_info->dynamicMinFrameLength)
2872                 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2873         remoder |=
2874             ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2875         remoder |=
2876             ug_info->
2877             vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2878         remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2879         remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2880         if (ug_info->ipCheckSumCheck)
2881                 remoder |= REMODER_IP_CHECKSUM_CHECK;
2882         if (ug_info->ipAddressAlignment)
2883                 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2884         out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2885
2886         /* Note that this function must be called */
2887         /* ONLY AFTER p_tx_fw_statistics_pram */
2888         /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2889         init_firmware_statistics_gathering_mode((ug_info->
2890                 statisticsMode &
2891                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2892                 (ug_info->statisticsMode &
2893                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2894                 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2895                 ugeth->tx_fw_statistics_pram_offset,
2896                 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2897                 ugeth->rx_fw_statistics_pram_offset,
2898                 &ugeth->p_tx_glbl_pram->temoder,
2899                 &ugeth->p_rx_glbl_pram->remoder);
2900
2901         /* function code register */
2902         out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
2903
2904         /* initialize extended filtering */
2905         if (ug_info->rxExtendedFiltering) {
2906                 if (!ug_info->extendedFilteringChainPointer) {
2907                         if (netif_msg_ifup(ugeth))
2908                                 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
2909                                           __func__);
2910                         return -EINVAL;
2911                 }
2912
2913                 /* Allocate memory for extended filtering Mode Global
2914                 Parameters */
2915                 ugeth->exf_glbl_param_offset =
2916                     qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
2917                 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
2918                 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
2919                         if (netif_msg_ifup(ugeth))
2920                                 ugeth_err
2921                                         ("%s: Can not allocate DPRAM memory for"
2922                                         " p_exf_glbl_param.", __func__);
2923                         return -ENOMEM;
2924                 }
2925
2926                 ugeth->p_exf_glbl_param =
2927                     (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
2928                                  exf_glbl_param_offset);
2929                 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2930                          ugeth->exf_glbl_param_offset);
2931                 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2932                          (u32) ug_info->extendedFilteringChainPointer);
2933
2934         } else {                /* initialize 82xx style address filtering */
2935
2936                 /* Init individual address recognition registers to disabled */
2937
2938                 for (j = 0; j < NUM_OF_PADDRS; j++)
2939                         ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2940
2941                 p_82xx_addr_filt =
2942                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2943                     p_rx_glbl_pram->addressfiltering;
2944
2945                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2946                         ENET_ADDR_TYPE_GROUP);
2947                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2948                         ENET_ADDR_TYPE_INDIVIDUAL);
2949         }
2950
2951         /*
2952          * Initialize UCC at QE level
2953          */
2954
2955         command = QE_INIT_TX_RX;
2956
2957         /* Allocate shadow InitEnet command parameter structure.
2958          * This is needed because after the InitEnet command is executed,
2959          * the structure in DPRAM is released, because DPRAM is a premium
2960          * resource.
2961          * This shadow structure keeps a copy of what was done so that the
2962          * allocated resources can be released when the channel is freed.
2963          */
2964         if (!(ugeth->p_init_enet_param_shadow =
2965               kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
2966                 if (netif_msg_ifup(ugeth))
2967                         ugeth_err
2968                             ("%s: Can not allocate memory for"
2969                                 " p_UccInitEnetParamShadows.", __func__);
2970                 return -ENOMEM;
2971         }
2972         /* Zero out *p_init_enet_param_shadow */
2973         memset((char *)ugeth->p_init_enet_param_shadow,
2974                0, sizeof(struct ucc_geth_init_pram));
2975
2976         /* Fill shadow InitEnet command parameter structure */
2977
2978         ugeth->p_init_enet_param_shadow->resinit1 =
2979             ENET_INIT_PARAM_MAGIC_RES_INIT1;
2980         ugeth->p_init_enet_param_shadow->resinit2 =
2981             ENET_INIT_PARAM_MAGIC_RES_INIT2;
2982         ugeth->p_init_enet_param_shadow->resinit3 =
2983             ENET_INIT_PARAM_MAGIC_RES_INIT3;
2984         ugeth->p_init_enet_param_shadow->resinit4 =
2985             ENET_INIT_PARAM_MAGIC_RES_INIT4;
2986         ugeth->p_init_enet_param_shadow->resinit5 =
2987             ENET_INIT_PARAM_MAGIC_RES_INIT5;
2988         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2989             ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2990         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2991             ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2992
2993         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2994             ugeth->rx_glbl_pram_offset | ug_info->riscRx;
2995         if ((ug_info->largestexternallookupkeysize !=
2996              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) &&
2997             (ug_info->largestexternallookupkeysize !=
2998              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) &&
2999             (ug_info->largestexternallookupkeysize !=
3000              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3001                 if (netif_msg_ifup(ugeth))
3002                         ugeth_err("%s: Invalid largest External Lookup Key Size.",
3003                                   __func__);
3004                 return -EINVAL;
3005         }
3006         ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3007             ug_info->largestexternallookupkeysize;
3008         size = sizeof(struct ucc_geth_thread_rx_pram);
3009         if (ug_info->rxExtendedFiltering) {
3010                 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3011                 if (ug_info->largestexternallookupkeysize ==
3012                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3013                         size +=
3014                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3015                 if (ug_info->largestexternallookupkeysize ==
3016                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3017                         size +=
3018                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3019         }
3020
3021         if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3022                 p_init_enet_param_shadow->rxthread[0]),
3023                 (u8) (numThreadsRxNumerical + 1)
3024                 /* Rx needs one extra for terminator */
3025                 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3026                 ug_info->riscRx, 1)) != 0) {
3027                 if (netif_msg_ifup(ugeth))
3028                                 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3029                                         __func__);
3030                 return ret_val;
3031         }
3032
3033         ugeth->p_init_enet_param_shadow->txglobal =
3034             ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3035         if ((ret_val =
3036              fill_init_enet_entries(ugeth,
3037                                     &(ugeth->p_init_enet_param_shadow->
3038                                       txthread[0]), numThreadsTxNumerical,
3039                                     sizeof(struct ucc_geth_thread_tx_pram),
3040                                     UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3041                                     ug_info->riscTx, 0)) != 0) {
3042                 if (netif_msg_ifup(ugeth))
3043                         ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3044                                   __func__);
3045                 return ret_val;
3046         }
3047
3048         /* Load Rx bds with buffers */
3049         for (i = 0; i < ug_info->numQueuesRx; i++) {
3050                 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3051                         if (netif_msg_ifup(ugeth))
3052                                 ugeth_err("%s: Can not fill Rx bds with buffers.",
3053                                           __func__);
3054                         return ret_val;
3055                 }
3056         }
3057
3058         /* Allocate InitEnet command parameter structure */
3059         init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3060         if (IS_ERR_VALUE(init_enet_pram_offset)) {
3061                 if (netif_msg_ifup(ugeth))
3062                         ugeth_err
3063                             ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3064                              __func__);
3065                 return -ENOMEM;
3066         }
3067         p_init_enet_pram =
3068             (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3069
3070         /* Copy shadow InitEnet command parameter structure into PRAM */
3071         out_8(&p_init_enet_pram->resinit1,
3072                         ugeth->p_init_enet_param_shadow->resinit1);
3073         out_8(&p_init_enet_pram->resinit2,
3074                         ugeth->p_init_enet_param_shadow->resinit2);
3075         out_8(&p_init_enet_pram->resinit3,
3076                         ugeth->p_init_enet_param_shadow->resinit3);
3077         out_8(&p_init_enet_pram->resinit4,
3078                         ugeth->p_init_enet_param_shadow->resinit4);
3079         out_be16(&p_init_enet_pram->resinit5,
3080                  ugeth->p_init_enet_param_shadow->resinit5);
3081         out_8(&p_init_enet_pram->largestexternallookupkeysize,
3082             ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3083         out_be32(&p_init_enet_pram->rgftgfrxglobal,
3084                  ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3085         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3086                 out_be32(&p_init_enet_pram->rxthread[i],
3087                          ugeth->p_init_enet_param_shadow->rxthread[i]);
3088         out_be32(&p_init_enet_pram->txglobal,
3089                  ugeth->p_init_enet_param_shadow->txglobal);
3090         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3091                 out_be32(&p_init_enet_pram->txthread[i],
3092                          ugeth->p_init_enet_param_shadow->txthread[i]);
3093
3094         /* Issue QE command */
3095         cecr_subblock =
3096             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3097         qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3098                      init_enet_pram_offset);
3099
3100         /* Free InitEnet command parameter */
3101         qe_muram_free(init_enet_pram_offset);
3102
3103         return 0;
3104 }
3105
3106 /* This is called by the kernel when a frame is ready for transmission. */
3107 /* It is pointed to by the dev->hard_start_xmit function pointer */
3108 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3109 {
3110         struct ucc_geth_private *ugeth = netdev_priv(dev);
3111 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3112         struct ucc_fast_private *uccf;
3113 #endif
3114         u8 __iomem *bd;                 /* BD pointer */
3115         u32 bd_status;
3116         u8 txQ = 0;
3117         unsigned long flags;
3118
3119         ugeth_vdbg("%s: IN", __func__);
3120
3121         spin_lock_irqsave(&ugeth->lock, flags);
3122
3123         dev->stats.tx_bytes += skb->len;
3124
3125         /* Start from the next BD that should be filled */
3126         bd = ugeth->txBd[txQ];
3127         bd_status = in_be32((u32 __iomem *)bd);
3128         /* Save the skb pointer so we can free it later */
3129         ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3130
3131         /* Update the current skb pointer (wrapping if this was the last) */
3132         ugeth->skb_curtx[txQ] =
3133             (ugeth->skb_curtx[txQ] +
3134              1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3135
3136         /* set up the buffer descriptor */
3137         out_be32(&((struct qe_bd __iomem *)bd)->buf,
3138                       dma_map_single(ugeth->dev, skb->data,
3139                               skb->len, DMA_TO_DEVICE));
3140
3141         /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3142
3143         bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3144
3145         /* set bd status and length */
3146         out_be32((u32 __iomem *)bd, bd_status);
3147
3148         /* Move to next BD in the ring */
3149         if (!(bd_status & T_W))
3150                 bd += sizeof(struct qe_bd);
3151         else
3152                 bd = ugeth->p_tx_bd_ring[txQ];
3153
3154         /* If the next BD still needs to be cleaned up, then the bds
3155            are full.  We need to tell the kernel to stop sending us stuff. */
3156         if (bd == ugeth->confBd[txQ]) {
3157                 if (!netif_queue_stopped(dev))
3158                         netif_stop_queue(dev);
3159         }
3160
3161         ugeth->txBd[txQ] = bd;
3162
3163         skb_tx_timestamp(skb);
3164
3165         if (ugeth->p_scheduler) {
3166                 ugeth->cpucount[txQ]++;
3167                 /* Indicate to QE that there are more Tx bds ready for
3168                 transmission */
3169                 /* This is done by writing a running counter of the bd
3170                 count to the scheduler PRAM. */
3171                 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3172         }
3173
3174 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3175         uccf = ugeth->uccf;
3176         out_be16(uccf->p_utodr, UCC_FAST_TOD);
3177 #endif
3178         spin_unlock_irqrestore(&ugeth->lock, flags);
3179
3180         return NETDEV_TX_OK;
3181 }
3182
3183 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3184 {
3185         struct sk_buff *skb;
3186         u8 __iomem *bd;
3187         u16 length, howmany = 0;
3188         u32 bd_status;
3189         u8 *bdBuffer;
3190         struct net_device *dev;
3191
3192         ugeth_vdbg("%s: IN", __func__);
3193
3194         dev = ugeth->ndev;
3195
3196         /* collect received buffers */
3197         bd = ugeth->rxBd[rxQ];
3198
3199         bd_status = in_be32((u32 __iomem *)bd);
3200
3201         /* while there are received buffers and BD is full (~R_E) */
3202         while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3203                 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3204                 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3205                 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3206
3207                 /* determine whether buffer is first, last, first and last
3208                 (single buffer frame) or middle (not first and not last) */
3209                 if (!skb ||
3210                     (!(bd_status & (R_F | R_L))) ||
3211                     (bd_status & R_ERRORS_FATAL)) {
3212                         if (netif_msg_rx_err(ugeth))
3213                                 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3214                                            __func__, __LINE__, (u32) skb);
3215                         if (skb) {
3216                                 skb->data = skb->head + NET_SKB_PAD;
3217                                 skb->len = 0;
3218                                 skb_reset_tail_pointer(skb);
3219                                 __skb_queue_head(&ugeth->rx_recycle, skb);
3220                         }
3221
3222                         ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3223                         dev->stats.rx_dropped++;
3224                 } else {
3225                         dev->stats.rx_packets++;
3226                         howmany++;
3227
3228                         /* Prep the skb for the packet */
3229                         skb_put(skb, length);
3230
3231                         /* Tell the skb what kind of packet this is */
3232                         skb->protocol = eth_type_trans(skb, ugeth->ndev);
3233
3234                         dev->stats.rx_bytes += length;
3235                         /* Send the packet up the stack */
3236                         netif_receive_skb(skb);
3237                 }
3238
3239                 skb = get_new_skb(ugeth, bd);
3240                 if (!skb) {
3241                         if (netif_msg_rx_err(ugeth))
3242                                 ugeth_warn("%s: No Rx Data Buffer", __func__);
3243                         dev->stats.rx_dropped++;
3244                         break;
3245                 }
3246
3247                 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3248
3249                 /* update to point at the next skb */
3250                 ugeth->skb_currx[rxQ] =
3251                     (ugeth->skb_currx[rxQ] +
3252                      1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3253
3254                 if (bd_status & R_W)
3255                         bd = ugeth->p_rx_bd_ring[rxQ];
3256                 else
3257                         bd += sizeof(struct qe_bd);
3258
3259                 bd_status = in_be32((u32 __iomem *)bd);
3260         }
3261
3262         ugeth->rxBd[rxQ] = bd;
3263         return howmany;
3264 }
3265
3266 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3267 {
3268         /* Start from the next BD that should be filled */
3269         struct ucc_geth_private *ugeth = netdev_priv(dev);
3270         u8 __iomem *bd;         /* BD pointer */
3271         u32 bd_status;
3272
3273         bd = ugeth->confBd[txQ];
3274         bd_status = in_be32((u32 __iomem *)bd);
3275
3276         /* Normal processing. */
3277         while ((bd_status & T_R) == 0) {
3278                 struct sk_buff *skb;
3279
3280                 /* BD contains already transmitted buffer.   */
3281                 /* Handle the transmitted buffer and release */
3282                 /* the BD to be used with the current frame  */
3283
3284                 skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]];
3285                 if (!skb)
3286                         break;
3287
3288                 dev->stats.tx_packets++;
3289
3290                 if (skb_queue_len(&ugeth->rx_recycle) < RX_BD_RING_LEN &&
3291                              skb_recycle_check(skb,
3292                                     ugeth->ug_info->uf_info.max_rx_buf_length +
3293                                     UCC_GETH_RX_DATA_BUF_ALIGNMENT))
3294                         __skb_queue_head(&ugeth->rx_recycle, skb);
3295                 else
3296                         dev_kfree_skb(skb);
3297
3298                 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3299                 ugeth->skb_dirtytx[txQ] =
3300                     (ugeth->skb_dirtytx[txQ] +
3301                      1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3302
3303                 /* We freed a buffer, so now we can restart transmission */
3304                 if (netif_queue_stopped(dev))
3305                         netif_wake_queue(dev);
3306
3307                 /* Advance the confirmation BD pointer */
3308                 if (!(bd_status & T_W))
3309                         bd += sizeof(struct qe_bd);
3310                 else
3311                         bd = ugeth->p_tx_bd_ring[txQ];
3312                 bd_status = in_be32((u32 __iomem *)bd);
3313         }
3314         ugeth->confBd[txQ] = bd;
3315         return 0;
3316 }
3317
3318 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3319 {
3320         struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3321         struct ucc_geth_info *ug_info;
3322         int howmany, i;
3323
3324         ug_info = ugeth->ug_info;
3325
3326         /* Tx event processing */
3327         spin_lock(&ugeth->lock);
3328         for (i = 0; i < ug_info->numQueuesTx; i++)
3329                 ucc_geth_tx(ugeth->ndev, i);
3330         spin_unlock(&ugeth->lock);
3331
3332         howmany = 0;
3333         for (i = 0; i < ug_info->numQueuesRx; i++)
3334                 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3335
3336         if (howmany < budget) {
3337                 napi_complete(napi);
3338                 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3339         }
3340
3341         return howmany;
3342 }
3343
3344 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3345 {
3346         struct net_device *dev = info;
3347         struct ucc_geth_private *ugeth = netdev_priv(dev);
3348         struct ucc_fast_private *uccf;
3349         struct ucc_geth_info *ug_info;
3350         register u32 ucce;
3351         register u32 uccm;
3352
3353         ugeth_vdbg("%s: IN", __func__);
3354
3355         uccf = ugeth->uccf;
3356         ug_info = ugeth->ug_info;
3357
3358         /* read and clear events */
3359         ucce = (u32) in_be32(uccf->p_ucce);
3360         uccm = (u32) in_be32(uccf->p_uccm);
3361         ucce &= uccm;
3362         out_be32(uccf->p_ucce, ucce);
3363
3364         /* check for receive events that require processing */
3365         if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) {
3366                 if (napi_schedule_prep(&ugeth->napi)) {
3367                         uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3368                         out_be32(uccf->p_uccm, uccm);
3369                         __napi_schedule(&ugeth->napi);
3370                 }
3371         }
3372
3373         /* Errors and other events */
3374         if (ucce & UCCE_OTHER) {
3375                 if (ucce & UCC_GETH_UCCE_BSY)
3376                         dev->stats.rx_errors++;
3377                 if (ucce & UCC_GETH_UCCE_TXE)
3378                         dev->stats.tx_errors++;
3379         }
3380
3381         return IRQ_HANDLED;
3382 }
3383
3384 #ifdef CONFIG_NET_POLL_CONTROLLER
3385 /*
3386  * Polling 'interrupt' - used by things like netconsole to send skbs
3387  * without having to re-enable interrupts. It's not called while
3388  * the interrupt routine is executing.
3389  */
3390 static void ucc_netpoll(struct net_device *dev)
3391 {
3392         struct ucc_geth_private *ugeth = netdev_priv(dev);
3393         int irq = ugeth->ug_info->uf_info.irq;
3394
3395         disable_irq(irq);
3396         ucc_geth_irq_handler(irq, dev);
3397         enable_irq(irq);
3398 }
3399 #endif /* CONFIG_NET_POLL_CONTROLLER */
3400
3401 static int ucc_geth_set_mac_addr(struct net_device *dev, void *p)
3402 {
3403         struct ucc_geth_private *ugeth = netdev_priv(dev);
3404         struct sockaddr *addr = p;
3405
3406         if (!is_valid_ether_addr(addr->sa_data))
3407                 return -EADDRNOTAVAIL;
3408
3409         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3410
3411         /*
3412          * If device is not running, we will set mac addr register
3413          * when opening the device.
3414          */
3415         if (!netif_running(dev))
3416                 return 0;
3417
3418         spin_lock_irq(&ugeth->lock);
3419         init_mac_station_addr_regs(dev->dev_addr[0],
3420                                    dev->dev_addr[1],
3421                                    dev->dev_addr[2],
3422                                    dev->dev_addr[3],
3423                                    dev->dev_addr[4],
3424                                    dev->dev_addr[5],
3425                                    &ugeth->ug_regs->macstnaddr1,
3426                                    &ugeth->ug_regs->macstnaddr2);
3427         spin_unlock_irq(&ugeth->lock);
3428
3429         return 0;
3430 }
3431
3432 static int ucc_geth_init_mac(struct ucc_geth_private *ugeth)
3433 {
3434         struct net_device *dev = ugeth->ndev;
3435         int err;
3436
3437         err = ucc_struct_init(ugeth);
3438         if (err) {
3439                 if (netif_msg_ifup(ugeth))
3440                         ugeth_err("%s: Cannot configure internal struct, "
3441                                   "aborting.", dev->name);
3442                 goto err;
3443         }
3444
3445         err = ucc_geth_startup(ugeth);
3446         if (err) {
3447                 if (netif_msg_ifup(ugeth))
3448                         ugeth_err("%s: Cannot configure net device, aborting.",
3449                                   dev->name);
3450                 goto err;
3451         }
3452
3453         err = adjust_enet_interface(ugeth);
3454         if (err) {
3455                 if (netif_msg_ifup(ugeth))
3456                         ugeth_err("%s: Cannot configure net device, aborting.",
3457                                   dev->name);
3458                 goto err;
3459         }
3460
3461         /*       Set MACSTNADDR1, MACSTNADDR2                */
3462         /* For more details see the hardware spec.           */
3463         init_mac_station_addr_regs(dev->dev_addr[0],
3464                                    dev->dev_addr[1],
3465                                    dev->dev_addr[2],
3466                                    dev->dev_addr[3],
3467                                    dev->dev_addr[4],
3468                                    dev->dev_addr[5],
3469                                    &ugeth->ug_regs->macstnaddr1,
3470                                    &ugeth->ug_regs->macstnaddr2);
3471
3472         err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3473         if (err) {
3474                 if (netif_msg_ifup(ugeth))
3475                         ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3476                 goto err;
3477         }
3478
3479         return 0;
3480 err:
3481         ucc_geth_stop(ugeth);
3482         return err;
3483 }
3484
3485 /* Called when something needs to use the ethernet device */
3486 /* Returns 0 for success. */
3487 static int ucc_geth_open(struct net_device *dev)
3488 {
3489         struct ucc_geth_private *ugeth = netdev_priv(dev);
3490         int err;
3491
3492         ugeth_vdbg("%s: IN", __func__);
3493
3494         /* Test station address */
3495         if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3496                 if (netif_msg_ifup(ugeth))
3497                         ugeth_err("%s: Multicast address used for station "
3498                                   "address - is this what you wanted?",
3499                                   __func__);
3500                 return -EINVAL;
3501         }
3502
3503         err = init_phy(dev);
3504         if (err) {
3505                 if (netif_msg_ifup(ugeth))
3506                         ugeth_err("%s: Cannot initialize PHY, aborting.",
3507                                   dev->name);
3508                 return err;
3509         }
3510
3511         err = ucc_geth_init_mac(ugeth);
3512         if (err) {
3513                 if (netif_msg_ifup(ugeth))
3514                         ugeth_err("%s: Cannot initialize MAC, aborting.",
3515                                   dev->name);
3516                 goto err;
3517         }
3518
3519         err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3520                           0, "UCC Geth", dev);
3521         if (err) {
3522                 if (netif_msg_ifup(ugeth))
3523                         ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3524                                   dev->name);
3525                 goto err;
3526         }
3527
3528         phy_start(ugeth->phydev);
3529         napi_enable(&ugeth->napi);
3530         netif_start_queue(dev);
3531
3532         device_set_wakeup_capable(&dev->dev,
3533                         qe_alive_during_sleep() || ugeth->phydev->irq);
3534         device_set_wakeup_enable(&dev->dev, ugeth->wol_en);
3535
3536         return err;
3537
3538 err:
3539         ucc_geth_stop(ugeth);
3540         return err;
3541 }
3542
3543 /* Stops the kernel queue, and halts the controller */
3544 static int ucc_geth_close(struct net_device *dev)
3545 {
3546         struct ucc_geth_private *ugeth = netdev_priv(dev);
3547
3548         ugeth_vdbg("%s: IN", __func__);
3549
3550         napi_disable(&ugeth->napi);
3551
3552         cancel_work_sync(&ugeth->timeout_work);
3553         ucc_geth_stop(ugeth);
3554         phy_disconnect(ugeth->phydev);
3555         ugeth->phydev = NULL;
3556
3557         free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev);
3558
3559         netif_stop_queue(dev);
3560
3561         return 0;
3562 }
3563
3564 /* Reopen device. This will reset the MAC and PHY. */
3565 static void ucc_geth_timeout_work(struct work_struct *work)
3566 {
3567         struct ucc_geth_private *ugeth;
3568         struct net_device *dev;
3569
3570         ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3571         dev = ugeth->ndev;
3572
3573         ugeth_vdbg("%s: IN", __func__);
3574
3575         dev->stats.tx_errors++;
3576
3577         ugeth_dump_regs(ugeth);
3578
3579         if (dev->flags & IFF_UP) {
3580                 /*
3581                  * Must reset MAC *and* PHY. This is done by reopening
3582                  * the device.
3583                  */
3584                 netif_tx_stop_all_queues(dev);
3585                 ucc_geth_stop(ugeth);
3586                 ucc_geth_init_mac(ugeth);
3587                 /* Must start PHY here */
3588                 phy_start(ugeth->phydev);
3589                 netif_tx_start_all_queues(dev);
3590         }
3591
3592         netif_tx_schedule_all(dev);
3593 }
3594
3595 /*
3596  * ucc_geth_timeout gets called when a packet has not been
3597  * transmitted after a set amount of time.
3598  */
3599 static void ucc_geth_timeout(struct net_device *dev)
3600 {
3601         struct ucc_geth_private *ugeth = netdev_priv(dev);
3602
3603         schedule_work(&ugeth->timeout_work);
3604 }
3605
3606
3607 #ifdef CONFIG_PM
3608
3609 static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state)
3610 {
3611         struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3612         struct ucc_geth_private *ugeth = netdev_priv(ndev);
3613
3614         if (!netif_running(ndev))
3615                 return 0;
3616
3617         netif_device_detach(ndev);
3618         napi_disable(&ugeth->napi);
3619
3620         /*
3621          * Disable the controller, otherwise we'll wakeup on any network
3622          * activity.
3623          */
3624         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
3625
3626         if (ugeth->wol_en & WAKE_MAGIC) {
3627                 setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3628                 setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3629                 ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3630         } else if (!(ugeth->wol_en & WAKE_PHY)) {
3631                 phy_stop(ugeth->phydev);
3632         }
3633
3634         return 0;
3635 }
3636
3637 static int ucc_geth_resume(struct platform_device *ofdev)
3638 {
3639         struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3640         struct ucc_geth_private *ugeth = netdev_priv(ndev);
3641         int err;
3642
3643         if (!netif_running(ndev))
3644                 return 0;
3645
3646         if (qe_alive_during_sleep()) {
3647                 if (ugeth->wol_en & WAKE_MAGIC) {
3648                         ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3649                         clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3650                         clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3651                 }
3652                 ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3653         } else {
3654                 /*
3655                  * Full reinitialization is required if QE shuts down
3656                  * during sleep.
3657                  */
3658                 ucc_geth_memclean(ugeth);
3659
3660                 err = ucc_geth_init_mac(ugeth);
3661                 if (err) {
3662                         ugeth_err("%s: Cannot initialize MAC, aborting.",
3663                                   ndev->name);
3664                         return err;
3665                 }
3666         }
3667
3668         ugeth->oldlink = 0;
3669         ugeth->oldspeed = 0;
3670         ugeth->oldduplex = -1;
3671
3672         phy_stop(ugeth->phydev);
3673         phy_start(ugeth->phydev);
3674
3675         napi_enable(&ugeth->napi);
3676         netif_device_attach(ndev);
3677
3678         return 0;
3679 }
3680
3681 #else
3682 #define ucc_geth_suspend NULL
3683 #define ucc_geth_resume NULL
3684 #endif
3685
3686 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3687 {
3688         if (strcasecmp(phy_connection_type, "mii") == 0)
3689                 return PHY_INTERFACE_MODE_MII;
3690         if (strcasecmp(phy_connection_type, "gmii") == 0)
3691                 return PHY_INTERFACE_MODE_GMII;
3692         if (strcasecmp(phy_connection_type, "tbi") == 0)
3693                 return PHY_INTERFACE_MODE_TBI;
3694         if (strcasecmp(phy_connection_type, "rmii") == 0)
3695                 return PHY_INTERFACE_MODE_RMII;
3696         if (strcasecmp(phy_connection_type, "rgmii") == 0)
3697                 return PHY_INTERFACE_MODE_RGMII;
3698         if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3699                 return PHY_INTERFACE_MODE_RGMII_ID;
3700         if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3701                 return PHY_INTERFACE_MODE_RGMII_TXID;
3702         if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3703                 return PHY_INTERFACE_MODE_RGMII_RXID;
3704         if (strcasecmp(phy_connection_type, "rtbi") == 0)
3705                 return PHY_INTERFACE_MODE_RTBI;
3706         if (strcasecmp(phy_connection_type, "sgmii") == 0)
3707                 return PHY_INTERFACE_MODE_SGMII;
3708
3709         return PHY_INTERFACE_MODE_MII;
3710 }
3711
3712 static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3713 {
3714         struct ucc_geth_private *ugeth = netdev_priv(dev);
3715
3716         if (!netif_running(dev))
3717                 return -EINVAL;
3718
3719         if (!ugeth->phydev)
3720                 return -ENODEV;
3721
3722         return phy_mii_ioctl(ugeth->phydev, rq, cmd);
3723 }
3724
3725 static const struct net_device_ops ucc_geth_netdev_ops = {
3726         .ndo_open               = ucc_geth_open,
3727         .ndo_stop               = ucc_geth_close,
3728         .ndo_start_xmit         = ucc_geth_start_xmit,
3729         .ndo_validate_addr      = eth_validate_addr,
3730         .ndo_set_mac_address    = ucc_geth_set_mac_addr,
3731         .ndo_change_mtu         = eth_change_mtu,
3732         .ndo_set_multicast_list = ucc_geth_set_multi,
3733         .ndo_tx_timeout         = ucc_geth_timeout,
3734         .ndo_do_ioctl           = ucc_geth_ioctl,
3735 #ifdef CONFIG_NET_POLL_CONTROLLER
3736         .ndo_poll_controller    = ucc_netpoll,
3737 #endif
3738 };
3739
3740 static int ucc_geth_probe(struct platform_device* ofdev)
3741 {
3742         struct device *device = &ofdev->dev;
3743         struct device_node *np = ofdev->dev.of_node;
3744         struct net_device *dev = NULL;
3745         struct ucc_geth_private *ugeth = NULL;
3746         struct ucc_geth_info *ug_info;
3747         struct resource res;
3748         int err, ucc_num, max_speed = 0;
3749         const unsigned int *prop;
3750         const char *sprop;
3751         const void *mac_addr;
3752         phy_interface_t phy_interface;
3753         static const int enet_to_speed[] = {
3754                 SPEED_10, SPEED_10, SPEED_10,
3755                 SPEED_100, SPEED_100, SPEED_100,
3756                 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3757         };
3758         static const phy_interface_t enet_to_phy_interface[] = {
3759                 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3760                 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3761                 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3762                 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3763                 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3764                 PHY_INTERFACE_MODE_SGMII,
3765         };
3766
3767         ugeth_vdbg("%s: IN", __func__);
3768
3769         prop = of_get_property(np, "cell-index", NULL);
3770         if (!prop) {
3771                 prop = of_get_property(np, "device-id", NULL);
3772                 if (!prop)
3773                         return -ENODEV;
3774         }
3775
3776         ucc_num = *prop - 1;
3777         if ((ucc_num < 0) || (ucc_num > 7))
3778                 return -ENODEV;
3779
3780         ug_info = &ugeth_info[ucc_num];
3781         if (ug_info == NULL) {
3782                 if (netif_msg_probe(&debug))
3783                         ugeth_err("%s: [%d] Missing additional data!",
3784                                         __func__, ucc_num);
3785                 return -ENODEV;
3786         }
3787
3788         ug_info->uf_info.ucc_num = ucc_num;
3789
3790         sprop = of_get_property(np, "rx-clock-name", NULL);
3791         if (sprop) {
3792                 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3793                 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3794                     (ug_info->uf_info.rx_clock > QE_CLK24)) {
3795                         printk(KERN_ERR
3796                                 "ucc_geth: invalid rx-clock-name property\n");
3797                         return -EINVAL;
3798                 }
3799         } else {
3800                 prop = of_get_property(np, "rx-clock", NULL);
3801                 if (!prop) {
3802                         /* If both rx-clock-name and rx-clock are missing,
3803                            we want to tell people to use rx-clock-name. */
3804                         printk(KERN_ERR
3805                                 "ucc_geth: missing rx-clock-name property\n");
3806                         return -EINVAL;
3807                 }
3808                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3809                         printk(KERN_ERR
3810                                 "ucc_geth: invalid rx-clock propperty\n");
3811                         return -EINVAL;
3812                 }
3813                 ug_info->uf_info.rx_clock = *prop;
3814         }
3815
3816         sprop = of_get_property(np, "tx-clock-name", NULL);
3817         if (sprop) {
3818                 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3819                 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3820                     (ug_info->uf_info.tx_clock > QE_CLK24)) {
3821                         printk(KERN_ERR
3822                                 "ucc_geth: invalid tx-clock-name property\n");
3823                         return -EINVAL;
3824                 }
3825         } else {
3826                 prop = of_get_property(np, "tx-clock", NULL);
3827                 if (!prop) {
3828                         printk(KERN_ERR
3829                                 "ucc_geth: missing tx-clock-name property\n");
3830                         return -EINVAL;
3831                 }
3832                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3833                         printk(KERN_ERR
3834                                 "ucc_geth: invalid tx-clock property\n");
3835                         return -EINVAL;
3836                 }
3837                 ug_info->uf_info.tx_clock = *prop;
3838         }
3839
3840         err = of_address_to_resource(np, 0, &res);
3841         if (err)
3842                 return -EINVAL;
3843
3844         ug_info->uf_info.regs = res.start;
3845         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3846
3847         ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0);
3848
3849         /* Find the TBI PHY node.  If it's not there, we don't support SGMII */
3850         ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0);
3851
3852         /* get the phy interface type, or default to MII */
3853         prop = of_get_property(np, "phy-connection-type", NULL);
3854         if (!prop) {
3855                 /* handle interface property present in old trees */
3856                 prop = of_get_property(ug_info->phy_node, "interface", NULL);
3857                 if (prop != NULL) {
3858                         phy_interface = enet_to_phy_interface[*prop];
3859                         max_speed = enet_to_speed[*prop];
3860                 } else
3861                         phy_interface = PHY_INTERFACE_MODE_MII;
3862         } else {
3863                 phy_interface = to_phy_interface((const char *)prop);
3864         }
3865
3866         /* get speed, or derive from PHY interface */
3867         if (max_speed == 0)
3868                 switch (phy_interface) {
3869                 case PHY_INTERFACE_MODE_GMII:
3870                 case PHY_INTERFACE_MODE_RGMII:
3871                 case PHY_INTERFACE_MODE_RGMII_ID:
3872                 case PHY_INTERFACE_MODE_RGMII_RXID:
3873                 case PHY_INTERFACE_MODE_RGMII_TXID:
3874                 case PHY_INTERFACE_MODE_TBI:
3875                 case PHY_INTERFACE_MODE_RTBI:
3876                 case PHY_INTERFACE_MODE_SGMII:
3877                         max_speed = SPEED_1000;
3878                         break;
3879                 default:
3880                         max_speed = SPEED_100;
3881                         break;
3882                 }
3883
3884         if (max_speed == SPEED_1000) {
3885                 /* configure muram FIFOs for gigabit operation */
3886                 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3887                 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3888                 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3889                 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3890                 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3891                 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3892                 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3893
3894                 /* If QE's snum number is 46 which means we need to support
3895                  * 4 UECs at 1000Base-T simultaneously, we need to allocate
3896                  * more Threads to Rx.
3897                  */
3898                 if (qe_get_num_of_snums() == 46)
3899                         ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6;
3900                 else
3901                         ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3902         }
3903
3904         if (netif_msg_probe(&debug))
3905                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d)\n",
3906                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3907                         ug_info->uf_info.irq);
3908
3909         /* Create an ethernet device instance */
3910         dev = alloc_etherdev(sizeof(*ugeth));
3911
3912         if (dev == NULL)
3913                 return -ENOMEM;
3914
3915         ugeth = netdev_priv(dev);
3916         spin_lock_init(&ugeth->lock);
3917
3918         /* Create CQs for hash tables */
3919         INIT_LIST_HEAD(&ugeth->group_hash_q);
3920         INIT_LIST_HEAD(&ugeth->ind_hash_q);
3921
3922         dev_set_drvdata(device, dev);
3923
3924         /* Set the dev->base_addr to the gfar reg region */
3925         dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3926
3927         SET_NETDEV_DEV(dev, device);
3928
3929         /* Fill in the dev structure */
3930         uec_set_ethtool_ops(dev);
3931         dev->netdev_ops = &ucc_geth_netdev_ops;
3932         dev->watchdog_timeo = TX_TIMEOUT;
3933         INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
3934         netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64);
3935         dev->mtu = 1500;
3936
3937         ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3938         ugeth->phy_interface = phy_interface;
3939         ugeth->max_speed = max_speed;
3940
3941         err = register_netdev(dev);
3942         if (err) {
3943                 if (netif_msg_probe(ugeth))
3944                         ugeth_err("%s: Cannot register net device, aborting.",
3945                                   dev->name);
3946                 free_netdev(dev);
3947                 return err;
3948         }
3949
3950         mac_addr = of_get_mac_address(np);
3951         if (mac_addr)
3952                 memcpy(dev->dev_addr, mac_addr, 6);
3953
3954         ugeth->ug_info = ug_info;
3955         ugeth->dev = device;
3956         ugeth->ndev = dev;
3957         ugeth->node = np;
3958
3959         return 0;
3960 }
3961
3962 static int ucc_geth_remove(struct platform_device* ofdev)
3963 {
3964         struct device *device = &ofdev->dev;
3965         struct net_device *dev = dev_get_drvdata(device);
3966         struct ucc_geth_private *ugeth = netdev_priv(dev);
3967
3968         unregister_netdev(dev);
3969         free_netdev(dev);
3970         ucc_geth_memclean(ugeth);
3971         dev_set_drvdata(device, NULL);
3972
3973         return 0;
3974 }
3975
3976 static struct of_device_id ucc_geth_match[] = {
3977         {
3978                 .type = "network",
3979                 .compatible = "ucc_geth",
3980         },
3981         {},
3982 };
3983
3984 MODULE_DEVICE_TABLE(of, ucc_geth_match);
3985
3986 static struct platform_driver ucc_geth_driver = {
3987         .driver = {
3988                 .name = DRV_NAME,
3989                 .owner = THIS_MODULE,
3990                 .of_match_table = ucc_geth_match,
3991         },
3992         .probe          = ucc_geth_probe,
3993         .remove         = ucc_geth_remove,
3994         .suspend        = ucc_geth_suspend,
3995         .resume         = ucc_geth_resume,
3996 };
3997
3998 static int __init ucc_geth_init(void)
3999 {
4000         int i, ret;
4001
4002         if (netif_msg_drv(&debug))
4003                 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4004         for (i = 0; i < 8; i++)
4005                 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4006                        sizeof(ugeth_primary_info));
4007
4008         ret = platform_driver_register(&ucc_geth_driver);
4009
4010         return ret;
4011 }
4012
4013 static void __exit ucc_geth_exit(void)
4014 {
4015         platform_driver_unregister(&ucc_geth_driver);
4016 }
4017
4018 module_init(ucc_geth_init);
4019 module_exit(ucc_geth_exit);
4020
4021 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4022 MODULE_DESCRIPTION(DRV_DESC);
4023 MODULE_VERSION(DRV_VERSION);
4024 MODULE_LICENSE("GPL");