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

   1 /*****************************************************************************
   2  *                                                                           *
   3  * File: subr.c                                                              *
   4  * $Revision: 1.27 $                                                         *
   5  * $Date: 2005/06/22 01:08:36 $                                              *
   6  * Description:                                                              *
   7  *  Various subroutines (intr,pio,etc.) used by Chelsio 10G Ethernet driver. *
   8  *  part of the Chelsio 10Gb Ethernet Driver.                                *
   9  *                                                                           *
  10  * This program is free software; you can redistribute it and/or modify      *
  11  * it under the terms of the GNU General Public License, version 2, as       *
  12  * published by the Free Software Foundation.                                *
  13  *                                                                           *
  14  * You should have received a copy of the GNU General Public License along   *
  15  * with this program; if not, write to the Free Software Foundation, Inc.,   *
  16  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.                 *
  17  *                                                                           *
  18  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    *
  19  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      *
  20  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     *
  21  *                                                                           *
  22  * http://www.chelsio.com                                                    *
  23  *                                                                           *
  24  * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
  25  * All rights reserved.                                                      *
  26  *                                                                           *
  27  * Maintainers: maintainers@chelsio.com                                      *
  28  *                                                                           *
  29  * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
  30  *          Tina Yang               <tainay@chelsio.com>                     *
  31  *          Felix Marti             <felix@chelsio.com>                      *
  32  *          Scott Bardone           <sbardone@chelsio.com>                   *
  33  *          Kurt Ottaway            <kottaway@chelsio.com>                   *
  34  *          Frank DiMambro          <frank@chelsio.com>                      *
  35  *                                                                           *
  36  * History:                                                                  *
  37  *                                                                           *
  38  ****************************************************************************/
  39
  40 #include "common.h"
  41 #include "elmer0.h"
  42 #include "regs.h"
  43 #include "gmac.h"
  44 #include "cphy.h"
  45 #include "sge.h"
  46 #include "tp.h"
  47 #include "espi.h"
  48
  49 /**
  50  *      t1_wait_op_done - wait until an operation is completed
  51  *      @adapter: the adapter performing the operation
  52  *      @reg: the register to check for completion
  53  *      @mask: a single-bit field within @reg that indicates completion
  54  *      @polarity: the value of the field when the operation is completed
  55  *      @attempts: number of check iterations
  56  *      @delay: delay in usecs between iterations
  57  *
  58  *      Wait until an operation is completed by checking a bit in a register
  59  *      up to @attempts times.  Returns %0 if the operation completes and %1
  60  *      otherwise.
  61  */
  62 static int t1_wait_op_done(adapter_t *adapter, int reg, u32 mask, int polarity,
  63                            int attempts, int delay)
  64 {
  65         while (1) {
  66                 u32 val = readl(adapter->regs + reg) & mask;
  67
  68                 if (!!val == polarity)
  69                         return 0;
  70                 if (--attempts == 0)
  71                         return 1;
  72                 if (delay)
  73                         udelay(delay);
  74         }
  75 }
  76
  77 #define TPI_ATTEMPTS 50
  78
  79 /*
  80  * Write a register over the TPI interface (unlocked and locked versions).
  81  */
  82 int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value)
  83 {
  84         int tpi_busy;
  85
  86         writel(addr, adapter->regs + A_TPI_ADDR);
  87         writel(value, adapter->regs + A_TPI_WR_DATA);
  88         writel(F_TPIWR, adapter->regs + A_TPI_CSR);
  89
  90         tpi_busy = t1_wait_op_done(adapter, A_TPI_CSR, F_TPIRDY, 1,
  91                                    TPI_ATTEMPTS, 3);
  92         if (tpi_busy)
  93                 CH_ALERT("%s: TPI write to 0x%x failed\n",
  94                          adapter->name, addr);
  95         return tpi_busy;
  96 }
  97
  98 int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value)
  99 {
 100         int ret;
 101
 102         spin_lock(&adapter->tpi_lock);
 103         ret = __t1_tpi_write(adapter, addr, value);
 104         spin_unlock(&adapter->tpi_lock);
 105         return ret;
 106 }
 107
 108 /*
 109  * Read a register over the TPI interface (unlocked and locked versions).
 110  */
 111 int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp)
 112 {
 113         int tpi_busy;
 114
 115         writel(addr, adapter->regs + A_TPI_ADDR);
 116         writel(0, adapter->regs + A_TPI_CSR);
 117
 118         tpi_busy = t1_wait_op_done(adapter, A_TPI_CSR, F_TPIRDY, 1,
 119                                    TPI_ATTEMPTS, 3);
 120         if (tpi_busy)
 121                 CH_ALERT("%s: TPI read from 0x%x failed\n",
 122                          adapter->name, addr);
 123         else
 124                 *valp = readl(adapter->regs + A_TPI_RD_DATA);
 125         return tpi_busy;
 126 }
 127
 128 int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp)
 129 {
 130         int ret;
 131
 132         spin_lock(&adapter->tpi_lock);
 133         ret = __t1_tpi_read(adapter, addr, valp);
 134         spin_unlock(&adapter->tpi_lock);
 135         return ret;
 136 }
 137
 138 /*
 139  * Set a TPI parameter.
 140  */
 141 static void t1_tpi_par(adapter_t *adapter, u32 value)
 142 {
 143         writel(V_TPIPAR(value), adapter->regs + A_TPI_PAR);
 144 }
 145
 146 /*
 147  * Called when a port's link settings change to propagate the new values to the
 148  * associated PHY and MAC.  After performing the common tasks it invokes an
 149  * OS-specific handler.
 150  */
 151 void t1_link_changed(adapter_t *adapter, int port_id)
 152 {
 153         int link_ok, speed, duplex, fc;
 154         struct cphy *phy = adapter->port[port_id].phy;
 155         struct link_config *lc = &adapter->port[port_id].link_config;
 156
 157         phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
 158
 159         lc->speed = speed < 0 ? SPEED_INVALID : speed;
 160         lc->duplex = duplex < 0 ? DUPLEX_INVALID : duplex;
 161         if (!(lc->requested_fc & PAUSE_AUTONEG))
 162                 fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
 163
 164         if (link_ok && speed >= 0 && lc->autoneg == AUTONEG_ENABLE) {
 165                 /* Set MAC speed, duplex, and flow control to match PHY. */
 166                 struct cmac *mac = adapter->port[port_id].mac;
 167
 168                 mac->ops->set_speed_duplex_fc(mac, speed, duplex, fc);
 169                 lc->fc = (unsigned char)fc;
 170         }
 171         t1_link_negotiated(adapter, port_id, link_ok, speed, duplex, fc);
 172 }
 173
 174 static int t1_pci_intr_handler(adapter_t *adapter)
 175 {
 176         u32 pcix_cause;
 177
 178         pci_read_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, &pcix_cause);
 179
 180         if (pcix_cause) {
 181                 pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE,
 182                                        pcix_cause);
 183                 t1_fatal_err(adapter);    /* PCI errors are fatal */
 184         }
 185         return 0;
 186 }
 187
 188 #ifdef CONFIG_CHELSIO_T1_COUGAR
 189 #include "cspi.h"
 190 #endif
 191 #ifdef CONFIG_CHELSIO_T1_1G
 192 #include "fpga_defs.h"
 193
 194 /*
 195  * PHY interrupt handler for FPGA boards.
 196  */
 197 static int fpga_phy_intr_handler(adapter_t *adapter)
 198 {
 199         int p;
 200         u32 cause = readl(adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE);
 201
 202         for_each_port(adapter, p)
 203                 if (cause & (1 << p)) {
 204                         struct cphy *phy = adapter->port[p].phy;
 205                         int phy_cause = phy->ops->interrupt_handler(phy);
 206
 207                         if (phy_cause & cphy_cause_link_change)
 208                                 t1_link_changed(adapter, p);
 209                 }
 210         writel(cause, adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE);
 211         return 0;
 212 }
 213
 214 /*
 215  * Slow path interrupt handler for FPGAs.
 216  */
 217 static int fpga_slow_intr(adapter_t *adapter)
 218 {
 219         u32 cause = readl(adapter->regs + A_PL_CAUSE);
 220
 221         cause &= ~F_PL_INTR_SGE_DATA;
 222         if (cause & F_PL_INTR_SGE_ERR)
 223                 t1_sge_intr_error_handler(adapter->sge);
 224
 225         if (cause & FPGA_PCIX_INTERRUPT_GMAC)
 226                 fpga_phy_intr_handler(adapter);
 227
 228         if (cause & FPGA_PCIX_INTERRUPT_TP) {
 229                 /*
 230                  * FPGA doesn't support MC4 interrupts and it requires
 231                  * this odd layer of indirection for MC5.
 232                  */
 233                 u32 tp_cause = readl(adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE);
 234
 235                 /* Clear TP interrupt */
 236                 writel(tp_cause, adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE);
 237         }
 238         if (cause & FPGA_PCIX_INTERRUPT_PCIX)
 239                 t1_pci_intr_handler(adapter);
 240
 241         /* Clear the interrupts just processed. */
 242         if (cause)
 243                 writel(cause, adapter->regs + A_PL_CAUSE);
 244
 245         return cause != 0;
 246 }
 247 #endif
 248
 249 /*
 250  * Wait until Elmer's MI1 interface is ready for new operations.
 251  */
 252 static int mi1_wait_until_ready(adapter_t *adapter, int mi1_reg)
 253 {
 254         int attempts = 100, busy;
 255
 256         do {
 257                 u32 val;
 258
 259                 __t1_tpi_read(adapter, mi1_reg, &val);
 260                 busy = val & F_MI1_OP_BUSY;
 261                 if (busy)
 262                         udelay(10);
 263         } while (busy && --attempts);
 264         if (busy)
 265                 CH_ALERT("%s: MDIO operation timed out\n", adapter->name);
 266         return busy;
 267 }
 268
 269 /*
 270  * MI1 MDIO initialization.
 271  */
 272 static void mi1_mdio_init(adapter_t *adapter, const struct board_info *bi)
 273 {
 274         u32 clkdiv = bi->clock_elmer0 / (2 * bi->mdio_mdc) - 1;
 275         u32 val = F_MI1_PREAMBLE_ENABLE | V_MI1_MDI_INVERT(bi->mdio_mdiinv) |
 276                 V_MI1_MDI_ENABLE(bi->mdio_mdien) | V_MI1_CLK_DIV(clkdiv);
 277
 278         if (!(bi->caps & SUPPORTED_10000baseT_Full))
 279                 val |= V_MI1_SOF(1);
 280         t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_CFG, val);
 281 }
 282
 283 #if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR)
 284 /*
 285  * Elmer MI1 MDIO read/write operations.
 286  */
 287 static int mi1_mdio_read(struct net_device *dev, int phy_addr, int mmd_addr,
 288                          u16 reg_addr)
 289 {
 290         struct adapter *adapter = dev->ml_priv;
 291         u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr);
 292         unsigned int val;
 293
 294         spin_lock(&adapter->tpi_lock);
 295         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr);
 296         __t1_tpi_write(adapter,
 297                         A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_READ);
 298         mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP);
 299         __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, &val);
 300         spin_unlock(&adapter->tpi_lock);
 301         return val;
 302 }
 303
 304 static int mi1_mdio_write(struct net_device *dev, int phy_addr, int mmd_addr,
 305                           u16 reg_addr, u16 val)
 306 {
 307         struct adapter *adapter = dev->ml_priv;
 308         u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr);
 309
 310         spin_lock(&adapter->tpi_lock);
 311         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr);
 312         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val);
 313         __t1_tpi_write(adapter,
 314                         A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_WRITE);
 315         mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP);
 316         spin_unlock(&adapter->tpi_lock);
 317         return 0;
 318 }
 319
 320 #if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR)
 321 static const struct mdio_ops mi1_mdio_ops = {
 322         .init = mi1_mdio_init,
 323         .read = mi1_mdio_read,
 324         .write = mi1_mdio_write,
 325         .mode_support = MDIO_SUPPORTS_C22
 326 };
 327 #endif
 328
 329 #endif
 330
 331 static int mi1_mdio_ext_read(struct net_device *dev, int phy_addr, int mmd_addr,
 332                              u16 reg_addr)
 333 {
 334         struct adapter *adapter = dev->ml_priv;
 335         u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr);
 336         unsigned int val;
 337
 338         spin_lock(&adapter->tpi_lock);
 339
 340         /* Write the address we want. */
 341         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr);
 342         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, reg_addr);
 343         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP,
 344                        MI1_OP_INDIRECT_ADDRESS);
 345         mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP);
 346
 347         /* Write the operation we want. */
 348         __t1_tpi_write(adapter,
 349                         A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_READ);
 350         mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP);
 351
 352         /* Read the data. */
 353         __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, &val);
 354         spin_unlock(&adapter->tpi_lock);
 355         return val;
 356 }
 357
 358 static int mi1_mdio_ext_write(struct net_device *dev, int phy_addr,
 359                               int mmd_addr, u16 reg_addr, u16 val)
 360 {
 361         struct adapter *adapter = dev->ml_priv;
 362         u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr);
 363
 364         spin_lock(&adapter->tpi_lock);
 365
 366         /* Write the address we want. */
 367         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr);
 368         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, reg_addr);
 369         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP,
 370                        MI1_OP_INDIRECT_ADDRESS);
 371         mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP);
 372
 373         /* Write the data. */
 374         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val);
 375         __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_WRITE);
 376         mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP);
 377         spin_unlock(&adapter->tpi_lock);
 378         return 0;
 379 }
 380
 381 static const struct mdio_ops mi1_mdio_ext_ops = {
 382         .init = mi1_mdio_init,
 383         .read = mi1_mdio_ext_read,
 384         .write = mi1_mdio_ext_write,
 385         .mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22
 386 };
 387
 388 enum {
 389         CH_BRD_T110_1CU,
 390         CH_BRD_N110_1F,
 391         CH_BRD_N210_1F,
 392         CH_BRD_T210_1F,
 393         CH_BRD_T210_1CU,
 394         CH_BRD_N204_4CU,
 395 };
 396
 397 static const struct board_info t1_board[] = {
 398         {
 399                 .board          = CHBT_BOARD_CHT110,
 400                 .port_number    = 1,
 401                 .caps           = SUPPORTED_10000baseT_Full,
 402                 .chip_term      = CHBT_TERM_T1,
 403                 .chip_mac       = CHBT_MAC_PM3393,
 404                 .chip_phy       = CHBT_PHY_MY3126,
 405                 .clock_core     = 125000000,
 406                 .clock_mc3      = 150000000,
 407                 .clock_mc4      = 125000000,
 408                 .espi_nports    = 1,
 409                 .clock_elmer0   = 44,
 410                 .mdio_mdien     = 1,
 411                 .mdio_mdiinv    = 1,
 412                 .mdio_mdc       = 1,
 413                 .mdio_phybaseaddr = 1,
 414                 .gmac           = &t1_pm3393_ops,
 415                 .gphy           = &t1_my3126_ops,
 416                 .mdio_ops       = &mi1_mdio_ext_ops,
 417                 .desc           = "Chelsio T110 1x10GBase-CX4 TOE",
 418         },
 419
 420         {
 421                 .board          = CHBT_BOARD_N110,
 422                 .port_number    = 1,
 423                 .caps           = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE,
 424                 .chip_term      = CHBT_TERM_T1,
 425                 .chip_mac       = CHBT_MAC_PM3393,
 426                 .chip_phy       = CHBT_PHY_88X2010,
 427                 .clock_core     = 125000000,
 428                 .espi_nports    = 1,
 429                 .clock_elmer0   = 44,
 430                 .mdio_mdien     = 0,
 431                 .mdio_mdiinv    = 0,
 432                 .mdio_mdc       = 1,
 433                 .mdio_phybaseaddr = 0,
 434                 .gmac           = &t1_pm3393_ops,
 435                 .gphy           = &t1_mv88x201x_ops,
 436                 .mdio_ops       = &mi1_mdio_ext_ops,
 437                 .desc           = "Chelsio N110 1x10GBaseX NIC",
 438         },
 439
 440         {
 441                 .board          = CHBT_BOARD_N210,
 442                 .port_number    = 1,
 443                 .caps           = SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE,
 444                 .chip_term      = CHBT_TERM_T2,
 445                 .chip_mac       = CHBT_MAC_PM3393,
 446                 .chip_phy       = CHBT_PHY_88X2010,
 447                 .clock_core     = 125000000,
 448                 .espi_nports    = 1,
 449                 .clock_elmer0   = 44,
 450                 .mdio_mdien     = 0,
 451                 .mdio_mdiinv    = 0,
 452                 .mdio_mdc       = 1,
 453                 .mdio_phybaseaddr = 0,
 454                 .gmac           = &t1_pm3393_ops,
 455                 .gphy           = &t1_mv88x201x_ops,
 456                 .mdio_ops       = &mi1_mdio_ext_ops,
 457                 .desc           = "Chelsio N210 1x10GBaseX NIC",
 458         },
 459
 460         {
 461                 .board          = CHBT_BOARD_CHT210,
 462                 .port_number    = 1,
 463                 .caps           = SUPPORTED_10000baseT_Full,
 464                 .chip_term      = CHBT_TERM_T2,
 465                 .chip_mac       = CHBT_MAC_PM3393,
 466                 .chip_phy       = CHBT_PHY_88X2010,
 467                 .clock_core     = 125000000,
 468                 .clock_mc3      = 133000000,
 469                 .clock_mc4      = 125000000,
 470                 .espi_nports    = 1,
 471                 .clock_elmer0   = 44,
 472                 .mdio_mdien     = 0,
 473                 .mdio_mdiinv    = 0,
 474                 .mdio_mdc       = 1,
 475                 .mdio_phybaseaddr = 0,
 476                 .gmac           = &t1_pm3393_ops,
 477                 .gphy           = &t1_mv88x201x_ops,
 478                 .mdio_ops       = &mi1_mdio_ext_ops,
 479                 .desc           = "Chelsio T210 1x10GBaseX TOE",
 480         },
 481
 482         {
 483                 .board          = CHBT_BOARD_CHT210,
 484                 .port_number    = 1,
 485                 .caps           = SUPPORTED_10000baseT_Full,
 486                 .chip_term      = CHBT_TERM_T2,
 487                 .chip_mac       = CHBT_MAC_PM3393,
 488                 .chip_phy       = CHBT_PHY_MY3126,
 489                 .clock_core     = 125000000,
 490                 .clock_mc3      = 133000000,
 491                 .clock_mc4      = 125000000,
 492                 .espi_nports    = 1,
 493                 .clock_elmer0   = 44,
 494                 .mdio_mdien     = 1,
 495                 .mdio_mdiinv    = 1,
 496                 .mdio_mdc       = 1,
 497                 .mdio_phybaseaddr = 1,
 498                 .gmac           = &t1_pm3393_ops,
 499                 .gphy           = &t1_my3126_ops,
 500                 .mdio_ops       = &mi1_mdio_ext_ops,
 501                 .desc           = "Chelsio T210 1x10GBase-CX4 TOE",
 502         },
 503
 504 #ifdef CONFIG_CHELSIO_T1_1G
 505         {
 506                 .board          = CHBT_BOARD_CHN204,
 507                 .port_number    = 4,
 508                 .caps           = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full
 509                                 | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full
 510                                 | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
 511                                   SUPPORTED_PAUSE | SUPPORTED_TP,
 512                 .chip_term      = CHBT_TERM_T2,
 513                 .chip_mac       = CHBT_MAC_VSC7321,
 514                 .chip_phy       = CHBT_PHY_88E1111,
 515                 .clock_core     = 100000000,
 516                 .espi_nports    = 4,
 517                 .clock_elmer0   = 44,
 518                 .mdio_mdien     = 0,
 519                 .mdio_mdiinv    = 0,
 520                 .mdio_mdc       = 0,
 521                 .mdio_phybaseaddr = 4,
 522                 .gmac           = &t1_vsc7326_ops,
 523                 .gphy           = &t1_mv88e1xxx_ops,
 524                 .mdio_ops       = &mi1_mdio_ops,
 525                 .desc           = "Chelsio N204 4x100/1000BaseT NIC",
 526         },
 527 #endif
 528
 529 };
 530
 531 struct pci_device_id t1_pci_tbl[] = {
 532         CH_DEVICE(8, 0, CH_BRD_T110_1CU),
 533         CH_DEVICE(8, 1, CH_BRD_T110_1CU),
 534         CH_DEVICE(7, 0, CH_BRD_N110_1F),
 535         CH_DEVICE(10, 1, CH_BRD_N210_1F),
 536         CH_DEVICE(11, 1, CH_BRD_T210_1F),
 537         CH_DEVICE(14, 1, CH_BRD_T210_1CU),
 538         CH_DEVICE(16, 1, CH_BRD_N204_4CU),
 539         { 0 }
 540 };
 541
 542 MODULE_DEVICE_TABLE(pci, t1_pci_tbl);
 543
 544 /*
 545  * Return the board_info structure with a given index.  Out-of-range indices
 546  * return NULL.
 547  */
 548 const struct board_info *t1_get_board_info(unsigned int board_id)
 549 {
 550         return board_id < ARRAY_SIZE(t1_board) ? &t1_board[board_id] : NULL;
 551 }
 552
 553 struct chelsio_vpd_t {
 554         u32 format_version;
 555         u8 serial_number[16];
 556         u8 mac_base_address[6];
 557         u8 pad[2];           /* make multiple-of-4 size requirement explicit */
 558 };
 559
 560 #define EEPROMSIZE        (8 * 1024)
 561 #define EEPROM_MAX_POLL   4
 562
 563 /*
 564  * Read SEEPROM. A zero is written to the flag register when the addres is
 565  * written to the Control register. The hardware device will set the flag to a
 566  * one when 4B have been transferred to the Data register.
 567  */
 568 int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data)
 569 {
 570         int i = EEPROM_MAX_POLL;
 571         u16 val;
 572         u32 v;
 573
 574         if (addr >= EEPROMSIZE || (addr & 3))
 575                 return -EINVAL;
 576
 577         pci_write_config_word(adapter->pdev, A_PCICFG_VPD_ADDR, (u16)addr);
 578         do {
 579                 udelay(50);
 580                 pci_read_config_word(adapter->pdev, A_PCICFG_VPD_ADDR, &val);
 581         } while (!(val & F_VPD_OP_FLAG) && --i);
 582
 583         if (!(val & F_VPD_OP_FLAG)) {
 584                 CH_ERR("%s: reading EEPROM address 0x%x failed\n",
 585                        adapter->name, addr);
 586                 return -EIO;
 587         }
 588         pci_read_config_dword(adapter->pdev, A_PCICFG_VPD_DATA, &v);
 589         *data = cpu_to_le32(v);
 590         return 0;
 591 }
 592
 593 static int t1_eeprom_vpd_get(adapter_t *adapter, struct chelsio_vpd_t *vpd)
 594 {
 595         int addr, ret = 0;
 596
 597         for (addr = 0; !ret && addr < sizeof(*vpd); addr += sizeof(u32))
 598                 ret = t1_seeprom_read(adapter, addr,
 599                                       (__le32 *)((u8 *)vpd + addr));
 600
 601         return ret;
 602 }
 603
 604 /*
 605  * Read a port's MAC address from the VPD ROM.
 606  */
 607 static int vpd_macaddress_get(adapter_t *adapter, int index, u8 mac_addr[])
 608 {
 609         struct chelsio_vpd_t vpd;
 610
 611         if (t1_eeprom_vpd_get(adapter, &vpd))
 612                 return 1;
 613         memcpy(mac_addr, vpd.mac_base_address, 5);
 614         mac_addr[5] = vpd.mac_base_address[5] + index;
 615         return 0;
 616 }
 617
 618 /*
 619  * Set up the MAC/PHY according to the requested link settings.
 620  *
 621  * If the PHY can auto-negotiate first decide what to advertise, then
 622  * enable/disable auto-negotiation as desired and reset.
 623  *
 624  * If the PHY does not auto-negotiate we just reset it.
 625  *
 626  * If auto-negotiation is off set the MAC to the proper speed/duplex/FC,
 627  * otherwise do it later based on the outcome of auto-negotiation.
 628  */
 629 int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc)
 630 {
 631         unsigned int fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
 632
 633         if (lc->supported & SUPPORTED_Autoneg) {
 634                 lc->advertising &= ~(ADVERTISED_ASYM_PAUSE | ADVERTISED_PAUSE);
 635                 if (fc) {
 636                         if (fc == ((PAUSE_RX | PAUSE_TX) &
 637                                    (mac->adapter->params.nports < 2)))
 638                                 lc->advertising |= ADVERTISED_PAUSE;
 639                         else {
 640                                 lc->advertising |= ADVERTISED_ASYM_PAUSE;
 641                                 if (fc == PAUSE_RX)
 642                                         lc->advertising |= ADVERTISED_PAUSE;
 643                         }
 644                 }
 645                 phy->ops->advertise(phy, lc->advertising);
 646
 647                 if (lc->autoneg == AUTONEG_DISABLE) {
 648                         lc->speed = lc->requested_speed;
 649                         lc->duplex = lc->requested_duplex;
 650                         lc->fc = (unsigned char)fc;
 651                         mac->ops->set_speed_duplex_fc(mac, lc->speed,
 652                                                       lc->duplex, fc);
 653                         /* Also disables autoneg */
 654                         phy->state = PHY_AUTONEG_RDY;
 655                         phy->ops->set_speed_duplex(phy, lc->speed, lc->duplex);
 656                         phy->ops->reset(phy, 0);
 657                 } else {
 658                         phy->state = PHY_AUTONEG_EN;
 659                         phy->ops->autoneg_enable(phy); /* also resets PHY */
 660                 }
 661         } else {
 662                 phy->state = PHY_AUTONEG_RDY;
 663                 mac->ops->set_speed_duplex_fc(mac, -1, -1, fc);
 664                 lc->fc = (unsigned char)fc;
 665                 phy->ops->reset(phy, 0);
 666         }
 667         return 0;
 668 }
 669
 670 /*
 671  * External interrupt handler for boards using elmer0.
 672  */
 673 int t1_elmer0_ext_intr_handler(adapter_t *adapter)
 674 {
 675         struct cphy *phy;
 676         int phy_cause;
 677         u32 cause;
 678
 679         t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause);
 680
 681         switch (board_info(adapter)->board) {
 682 #ifdef CONFIG_CHELSIO_T1_1G
 683         case CHBT_BOARD_CHT204:
 684         case CHBT_BOARD_CHT204E:
 685         case CHBT_BOARD_CHN204:
 686         case CHBT_BOARD_CHT204V: {
 687                 int i, port_bit;
 688                 for_each_port(adapter, i) {
 689                         port_bit = i + 1;
 690                         if (!(cause & (1 << port_bit)))
 691                                 continue;
 692
 693                         phy = adapter->port[i].phy;
 694                         phy_cause = phy->ops->interrupt_handler(phy);
 695                         if (phy_cause & cphy_cause_link_change)
 696                                 t1_link_changed(adapter, i);
 697                 }
 698                 break;
 699         }
 700         case CHBT_BOARD_CHT101:
 701                 if (cause & ELMER0_GP_BIT1) { /* Marvell 88E1111 interrupt */
 702                         phy = adapter->port[0].phy;
 703                         phy_cause = phy->ops->interrupt_handler(phy);
 704                         if (phy_cause & cphy_cause_link_change)
 705                                 t1_link_changed(adapter, 0);
 706                 }
 707                 break;
 708         case CHBT_BOARD_7500: {
 709                 int p;
 710                 /*
 711                  * Elmer0's interrupt cause isn't useful here because there is
 712                  * only one bit that can be set for all 4 ports.  This means
 713                  * we are forced to check every PHY's interrupt status
 714                  * register to see who initiated the interrupt.
 715                  */
 716                 for_each_port(adapter, p) {
 717                         phy = adapter->port[p].phy;
 718                         phy_cause = phy->ops->interrupt_handler(phy);
 719                         if (phy_cause & cphy_cause_link_change)
 720                             t1_link_changed(adapter, p);
 721                 }
 722                 break;
 723         }
 724 #endif
 725         case CHBT_BOARD_CHT210:
 726         case CHBT_BOARD_N210:
 727         case CHBT_BOARD_N110:
 728                 if (cause & ELMER0_GP_BIT6) { /* Marvell 88x2010 interrupt */
 729                         phy = adapter->port[0].phy;
 730                         phy_cause = phy->ops->interrupt_handler(phy);
 731                         if (phy_cause & cphy_cause_link_change)
 732                                 t1_link_changed(adapter, 0);
 733                 }
 734                 break;
 735         case CHBT_BOARD_8000:
 736         case CHBT_BOARD_CHT110:
 737                 CH_DBG(adapter, INTR, "External interrupt cause 0x%x\n",
 738                        cause);
 739                 if (cause & ELMER0_GP_BIT1) {        /* PMC3393 INTB */
 740                         struct cmac *mac = adapter->port[0].mac;
 741
 742                         mac->ops->interrupt_handler(mac);
 743                 }
 744                 if (cause & ELMER0_GP_BIT5) {        /* XPAK MOD_DETECT */
 745                         u32 mod_detect;
 746
 747                         t1_tpi_read(adapter,
 748                                         A_ELMER0_GPI_STAT, &mod_detect);
 749                         CH_MSG(adapter, INFO, LINK, "XPAK %s\n",
 750                                mod_detect ? "removed" : "inserted");
 751                 }
 752                 break;
 753 #ifdef CONFIG_CHELSIO_T1_COUGAR
 754         case CHBT_BOARD_COUGAR:
 755                 if (adapter->params.nports == 1) {
 756                         if (cause & ELMER0_GP_BIT1) {         /* Vitesse MAC */
 757                                 struct cmac *mac = adapter->port[0].mac;
 758                                 mac->ops->interrupt_handler(mac);
 759                         }
 760                         if (cause & ELMER0_GP_BIT5) {     /* XPAK MOD_DETECT */
 761                         }
 762                 } else {
 763                         int i, port_bit;
 764
 765                         for_each_port(adapter, i) {
 766                                 port_bit = i ? i + 1 : 0;
 767                                 if (!(cause & (1 << port_bit)))
 768                                         continue;
 769
 770                                 phy = adapter->port[i].phy;
 771                                 phy_cause = phy->ops->interrupt_handler(phy);
 772                                 if (phy_cause & cphy_cause_link_change)
 773                                         t1_link_changed(adapter, i);
 774                         }
 775                 }
 776                 break;
 777 #endif
 778         }
 779         t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause);
 780         return 0;
 781 }
 782
 783 /* Enables all interrupts. */
 784 void t1_interrupts_enable(adapter_t *adapter)
 785 {
 786         unsigned int i;
 787
 788         adapter->slow_intr_mask = F_PL_INTR_SGE_ERR | F_PL_INTR_TP;
 789
 790         t1_sge_intr_enable(adapter->sge);
 791         t1_tp_intr_enable(adapter->tp);
 792         if (adapter->espi) {
 793                 adapter->slow_intr_mask |= F_PL_INTR_ESPI;
 794                 t1_espi_intr_enable(adapter->espi);
 795         }
 796
 797         /* Enable MAC/PHY interrupts for each port. */
 798         for_each_port(adapter, i) {
 799                 adapter->port[i].mac->ops->interrupt_enable(adapter->port[i].mac);
 800                 adapter->port[i].phy->ops->interrupt_enable(adapter->port[i].phy);
 801         }
 802
 803         /* Enable PCIX & external chip interrupts on ASIC boards. */
 804         if (t1_is_asic(adapter)) {
 805                 u32 pl_intr = readl(adapter->regs + A_PL_ENABLE);
 806
 807                 /* PCI-X interrupts */
 808                 pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE,
 809                                        0xffffffff);
 810
 811                 adapter->slow_intr_mask |= F_PL_INTR_EXT | F_PL_INTR_PCIX;
 812                 pl_intr |= F_PL_INTR_EXT | F_PL_INTR_PCIX;
 813                 writel(pl_intr, adapter->regs + A_PL_ENABLE);
 814         }
 815 }
 816
 817 /* Disables all interrupts. */
 818 void t1_interrupts_disable(adapter_t* adapter)
 819 {
 820         unsigned int i;
 821
 822         t1_sge_intr_disable(adapter->sge);
 823         t1_tp_intr_disable(adapter->tp);
 824         if (adapter->espi)
 825                 t1_espi_intr_disable(adapter->espi);
 826
 827         /* Disable MAC/PHY interrupts for each port. */
 828         for_each_port(adapter, i) {
 829                 adapter->port[i].mac->ops->interrupt_disable(adapter->port[i].mac);
 830                 adapter->port[i].phy->ops->interrupt_disable(adapter->port[i].phy);
 831         }
 832
 833         /* Disable PCIX & external chip interrupts. */
 834         if (t1_is_asic(adapter))
 835                 writel(0, adapter->regs + A_PL_ENABLE);
 836
 837         /* PCI-X interrupts */
 838         pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, 0);
 839
 840         adapter->slow_intr_mask = 0;
 841 }
 842
 843 /* Clears all interrupts */
 844 void t1_interrupts_clear(adapter_t* adapter)
 845 {
 846         unsigned int i;
 847
 848         t1_sge_intr_clear(adapter->sge);
 849         t1_tp_intr_clear(adapter->tp);
 850         if (adapter->espi)
 851                 t1_espi_intr_clear(adapter->espi);
 852
 853         /* Clear MAC/PHY interrupts for each port. */
 854         for_each_port(adapter, i) {
 855                 adapter->port[i].mac->ops->interrupt_clear(adapter->port[i].mac);
 856                 adapter->port[i].phy->ops->interrupt_clear(adapter->port[i].phy);
 857         }
 858
 859         /* Enable interrupts for external devices. */
 860         if (t1_is_asic(adapter)) {
 861                 u32 pl_intr = readl(adapter->regs + A_PL_CAUSE);
 862
 863                 writel(pl_intr | F_PL_INTR_EXT | F_PL_INTR_PCIX,
 864                        adapter->regs + A_PL_CAUSE);
 865         }
 866
 867         /* PCI-X interrupts */
 868         pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, 0xffffffff);
 869 }
 870
 871 /*
 872  * Slow path interrupt handler for ASICs.
 873  */
 874 static int asic_slow_intr(adapter_t *adapter)
 875 {
 876         u32 cause = readl(adapter->regs + A_PL_CAUSE);
 877
 878         cause &= adapter->slow_intr_mask;
 879         if (!cause)
 880                 return 0;
 881         if (cause & F_PL_INTR_SGE_ERR)
 882                 t1_sge_intr_error_handler(adapter->sge);
 883         if (cause & F_PL_INTR_TP)
 884                 t1_tp_intr_handler(adapter->tp);
 885         if (cause & F_PL_INTR_ESPI)
 886                 t1_espi_intr_handler(adapter->espi);
 887         if (cause & F_PL_INTR_PCIX)
 888                 t1_pci_intr_handler(adapter);
 889         if (cause & F_PL_INTR_EXT)
 890                 t1_elmer0_ext_intr(adapter);
 891
 892         /* Clear the interrupts just processed. */
 893         writel(cause, adapter->regs + A_PL_CAUSE);
 894         readl(adapter->regs + A_PL_CAUSE); /* flush writes */
 895         return 1;
 896 }
 897
 898 int t1_slow_intr_handler(adapter_t *adapter)
 899 {
 900 #ifdef CONFIG_CHELSIO_T1_1G
 901         if (!t1_is_asic(adapter))
 902                 return fpga_slow_intr(adapter);
 903 #endif
 904         return asic_slow_intr(adapter);
 905 }
 906
 907 /* Power sequencing is a work-around for Intel's XPAKs. */
 908 static void power_sequence_xpak(adapter_t* adapter)
 909 {
 910         u32 mod_detect;
 911         u32 gpo;
 912
 913         /* Check for XPAK */
 914         t1_tpi_read(adapter, A_ELMER0_GPI_STAT, &mod_detect);
 915         if (!(ELMER0_GP_BIT5 & mod_detect)) {
 916                 /* XPAK is present */
 917                 t1_tpi_read(adapter, A_ELMER0_GPO, &gpo);
 918                 gpo |= ELMER0_GP_BIT18;
 919                 t1_tpi_write(adapter, A_ELMER0_GPO, gpo);
 920         }
 921 }
 922
 923 int __devinit t1_get_board_rev(adapter_t *adapter, const struct board_info *bi,
 924                                struct adapter_params *p)
 925 {
 926         p->chip_version = bi->chip_term;
 927         p->is_asic = (p->chip_version != CHBT_TERM_FPGA);
 928         if (p->chip_version == CHBT_TERM_T1 ||
 929             p->chip_version == CHBT_TERM_T2 ||
 930             p->chip_version == CHBT_TERM_FPGA) {
 931                 u32 val = readl(adapter->regs + A_TP_PC_CONFIG);
 932
 933                 val = G_TP_PC_REV(val);
 934                 if (val == 2)
 935                         p->chip_revision = TERM_T1B;
 936                 else if (val == 3)
 937                         p->chip_revision = TERM_T2;
 938                 else
 939                         return -1;
 940         } else
 941                 return -1;
 942         return 0;
 943 }
 944
 945 /*
 946  * Enable board components other than the Chelsio chip, such as external MAC
 947  * and PHY.
 948  */
 949 static int board_init(adapter_t *adapter, const struct board_info *bi)
 950 {
 951         switch (bi->board) {
 952         case CHBT_BOARD_8000:
 953         case CHBT_BOARD_N110:
 954         case CHBT_BOARD_N210:
 955         case CHBT_BOARD_CHT210:
 956         case CHBT_BOARD_COUGAR:
 957                 t1_tpi_par(adapter, 0xf);
 958                 t1_tpi_write(adapter, A_ELMER0_GPO, 0x800);
 959                 break;
 960         case CHBT_BOARD_CHT110:
 961                 t1_tpi_par(adapter, 0xf);
 962                 t1_tpi_write(adapter, A_ELMER0_GPO, 0x1800);
 963
 964                 /* TBD XXX Might not need.  This fixes a problem
 965                  *         described in the Intel SR XPAK errata.
 966                  */
 967                 power_sequence_xpak(adapter);
 968                 break;
 969 #ifdef CONFIG_CHELSIO_T1_1G
 970         case CHBT_BOARD_CHT204E:
 971                 /* add config space write here */
 972         case CHBT_BOARD_CHT204:
 973         case CHBT_BOARD_CHT204V:
 974         case CHBT_BOARD_CHN204:
 975                 t1_tpi_par(adapter, 0xf);
 976                 t1_tpi_write(adapter, A_ELMER0_GPO, 0x804);
 977                 break;
 978         case CHBT_BOARD_CHT101:
 979         case CHBT_BOARD_7500:
 980                 t1_tpi_par(adapter, 0xf);
 981                 t1_tpi_write(adapter, A_ELMER0_GPO, 0x1804);
 982                 break;
 983 #endif
 984         }
 985         return 0;
 986 }
 987
 988 /*
 989  * Initialize and configure the Terminator HW modules.  Note that external
 990  * MAC and PHYs are initialized separately.
 991  */
 992 int t1_init_hw_modules(adapter_t *adapter)
 993 {
 994         int err = -EIO;
 995         const struct board_info *bi = board_info(adapter);
 996
 997         if (!bi->clock_mc4) {
 998                 u32 val = readl(adapter->regs + A_MC4_CFG);
 999
1000                 writel(val | F_READY | F_MC4_SLOW, adapter->regs + A_MC4_CFG);
1001                 writel(F_M_BUS_ENABLE | F_TCAM_RESET,
1002                        adapter->regs + A_MC5_CONFIG);
1003         }
1004
1005 #ifdef CONFIG_CHELSIO_T1_COUGAR
1006         if (adapter->cspi && t1_cspi_init(adapter->cspi))
1007                 goto out_err;
1008 #endif
1009         if (adapter->espi && t1_espi_init(adapter->espi, bi->chip_mac,
1010                                           bi->espi_nports))
1011                 goto out_err;
1012
1013         if (t1_tp_reset(adapter->tp, &adapter->params.tp, bi->clock_core))
1014                 goto out_err;
1015
1016         err = t1_sge_configure(adapter->sge, &adapter->params.sge);
1017         if (err)
1018                 goto out_err;
1019
1020         err = 0;
1021 out_err:
1022         return err;
1023 }
1024
1025 /*
1026  * Determine a card's PCI mode.
1027  */
1028 static void __devinit get_pci_mode(adapter_t *adapter, struct chelsio_pci_params *p)
1029 {
1030         static const unsigned short speed_map[] = { 33, 66, 100, 133 };
1031         u32 pci_mode;
1032
1033         pci_read_config_dword(adapter->pdev, A_PCICFG_MODE, &pci_mode);
1034         p->speed = speed_map[G_PCI_MODE_CLK(pci_mode)];
1035         p->width = (pci_mode & F_PCI_MODE_64BIT) ? 64 : 32;
1036         p->is_pcix = (pci_mode & F_PCI_MODE_PCIX) != 0;
1037 }
1038
1039 /*
1040  * Release the structures holding the SW per-Terminator-HW-module state.
1041  */
1042 void t1_free_sw_modules(adapter_t *adapter)
1043 {
1044         unsigned int i;
1045
1046         for_each_port(adapter, i) {
1047                 struct cmac *mac = adapter->port[i].mac;
1048                 struct cphy *phy = adapter->port[i].phy;
1049
1050                 if (mac)
1051                         mac->ops->destroy(mac);
1052                 if (phy)
1053                         phy->ops->destroy(phy);
1054         }
1055
1056         if (adapter->sge)
1057                 t1_sge_destroy(adapter->sge);
1058         if (adapter->tp)
1059                 t1_tp_destroy(adapter->tp);
1060         if (adapter->espi)
1061                 t1_espi_destroy(adapter->espi);
1062 #ifdef CONFIG_CHELSIO_T1_COUGAR
1063         if (adapter->cspi)
1064                 t1_cspi_destroy(adapter->cspi);
1065 #endif
1066 }
1067
1068 static void __devinit init_link_config(struct link_config *lc,
1069                                        const struct board_info *bi)
1070 {
1071         lc->supported = bi->caps;
1072         lc->requested_speed = lc->speed = SPEED_INVALID;
1073         lc->requested_duplex = lc->duplex = DUPLEX_INVALID;
1074         lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX;
1075         if (lc->supported & SUPPORTED_Autoneg) {
1076                 lc->advertising = lc->supported;
1077                 lc->autoneg = AUTONEG_ENABLE;
1078                 lc->requested_fc |= PAUSE_AUTONEG;
1079         } else {
1080                 lc->advertising = 0;
1081                 lc->autoneg = AUTONEG_DISABLE;
1082         }
1083 }
1084
1085 #ifdef CONFIG_CHELSIO_T1_COUGAR
1086         if (bi->clock_cspi && !(adapter->cspi = t1_cspi_create(adapter))) {
1087                 CH_ERR("%s: CSPI initialization failed\n",
1088                        adapter->name);
1089                 goto error;
1090         }
1091 #endif
1092
1093 /*
1094  * Allocate and initialize the data structures that hold the SW state of
1095  * the Terminator HW modules.
1096  */
1097 int __devinit t1_init_sw_modules(adapter_t *adapter,
1098                                  const struct board_info *bi)
1099 {
1100         unsigned int i;
1101
1102         adapter->params.brd_info = bi;
1103         adapter->params.nports = bi->port_number;
1104         adapter->params.stats_update_period = bi->gmac->stats_update_period;
1105
1106         adapter->sge = t1_sge_create(adapter, &adapter->params.sge);
1107         if (!adapter->sge) {
1108                 CH_ERR("%s: SGE initialization failed\n",
1109                        adapter->name);
1110                 goto error;
1111         }
1112
1113         if (bi->espi_nports && !(adapter->espi = t1_espi_create(adapter))) {
1114                 CH_ERR("%s: ESPI initialization failed\n",
1115                        adapter->name);
1116                 goto error;
1117         }
1118
1119         adapter->tp = t1_tp_create(adapter, &adapter->params.tp);
1120         if (!adapter->tp) {
1121                 CH_ERR("%s: TP initialization failed\n",
1122                        adapter->name);
1123                 goto error;
1124         }
1125
1126         board_init(adapter, bi);
1127         bi->mdio_ops->init(adapter, bi);
1128         if (bi->gphy->reset)
1129                 bi->gphy->reset(adapter);
1130         if (bi->gmac->reset)
1131                 bi->gmac->reset(adapter);
1132
1133         for_each_port(adapter, i) {
1134                 u8 hw_addr[6];
1135                 struct cmac *mac;
1136                 int phy_addr = bi->mdio_phybaseaddr + i;
1137
1138                 adapter->port[i].phy = bi->gphy->create(adapter->port[i].dev,
1139                                                         phy_addr, bi->mdio_ops);
1140                 if (!adapter->port[i].phy) {
1141                         CH_ERR("%s: PHY %d initialization failed\n",
1142                                adapter->name, i);
1143                         goto error;
1144                 }
1145
1146                 adapter->port[i].mac = mac = bi->gmac->create(adapter, i);
1147                 if (!mac) {
1148                         CH_ERR("%s: MAC %d initialization failed\n",
1149                                adapter->name, i);
1150                         goto error;
1151                 }
1152
1153                 /*
1154                  * Get the port's MAC addresses either from the EEPROM if one
1155                  * exists or the one hardcoded in the MAC.
1156                  */
1157                 if (!t1_is_asic(adapter) || bi->chip_mac == CHBT_MAC_DUMMY)
1158                         mac->ops->macaddress_get(mac, hw_addr);
1159                 else if (vpd_macaddress_get(adapter, i, hw_addr)) {
1160                         CH_ERR("%s: could not read MAC address from VPD ROM\n",
1161                                adapter->port[i].dev->name);
1162                         goto error;
1163                 }
1164                 memcpy(adapter->port[i].dev->dev_addr, hw_addr, ETH_ALEN);
1165                 init_link_config(&adapter->port[i].link_config, bi);
1166         }
1167
1168         get_pci_mode(adapter, &adapter->params.pci);
1169         t1_interrupts_clear(adapter);
1170         return 0;
1171
1172 error:
1173         t1_free_sw_modules(adapter);
1174         return -1;
1175 }