git.oblomov.eu Git - linux-2.6/blob - drivers/net/e1000e/82571.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2008 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 /*
  30  * 82571EB Gigabit Ethernet Controller
  31  * 82571EB Gigabit Ethernet Controller (Fiber)
  32  * 82571EB Dual Port Gigabit Mezzanine Adapter
  33  * 82571EB Quad Port Gigabit Mezzanine Adapter
  34  * 82571PT Gigabit PT Quad Port Server ExpressModule
  35  * 82572EI Gigabit Ethernet Controller (Copper)
  36  * 82572EI Gigabit Ethernet Controller (Fiber)
  37  * 82572EI Gigabit Ethernet Controller
  38  * 82573V Gigabit Ethernet Controller (Copper)
  39  * 82573E Gigabit Ethernet Controller (Copper)
  40  * 82573L Gigabit Ethernet Controller
  41  */
  42
  43 #include <linux/netdevice.h>
  44 #include <linux/delay.h>
  45 #include <linux/pci.h>
  46
  47 #include "e1000.h"
  48
  49 #define ID_LED_RESERVED_F746 0xF746
  50 #define ID_LED_DEFAULT_82573 ((ID_LED_DEF1_DEF2 << 12) | \
  51                               (ID_LED_OFF1_ON2  <<  8) | \
  52                               (ID_LED_DEF1_DEF2 <<  4) | \
  53                               (ID_LED_DEF1_DEF2))
  54
  55 #define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000
  56
  57 static s32 e1000_get_phy_id_82571(struct e1000_hw *hw);
  58 static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw);
  59 static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw);
  60 static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
  61                                       u16 words, u16 *data);
  62 static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw);
  63 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw);
  64 static s32 e1000_setup_link_82571(struct e1000_hw *hw);
  65 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw);
  66
  67 /**
  68  *  e1000_init_phy_params_82571 - Init PHY func ptrs.
  69  *  @hw: pointer to the HW structure
  70  *
  71  *  This is a function pointer entry point called by the api module.
  72  **/
  73 static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
  74 {
  75         struct e1000_phy_info *phy = &hw->phy;
  76         s32 ret_val;
  77
  78         if (hw->phy.media_type != e1000_media_type_copper) {
  79                 phy->type = e1000_phy_none;
  80                 return 0;
  81         }
  82
  83         phy->addr                        = 1;
  84         phy->autoneg_mask                = AUTONEG_ADVERTISE_SPEED_DEFAULT;
  85         phy->reset_delay_us              = 100;
  86
  87         switch (hw->mac.type) {
  88         case e1000_82571:
  89         case e1000_82572:
  90                 phy->type                = e1000_phy_igp_2;
  91                 break;
  92         case e1000_82573:
  93                 phy->type                = e1000_phy_m88;
  94                 break;
  95         default:
  96                 return -E1000_ERR_PHY;
  97                 break;
  98         }
  99
 100         /* This can only be done after all function pointers are setup. */
 101         ret_val = e1000_get_phy_id_82571(hw);
 102
 103         /* Verify phy id */
 104         switch (hw->mac.type) {
 105         case e1000_82571:
 106         case e1000_82572:
 107                 if (phy->id != IGP01E1000_I_PHY_ID)
 108                         return -E1000_ERR_PHY;
 109                 break;
 110         case e1000_82573:
 111                 if (phy->id != M88E1111_I_PHY_ID)
 112                         return -E1000_ERR_PHY;
 113                 break;
 114         default:
 115                 return -E1000_ERR_PHY;
 116                 break;
 117         }
 118
 119         return 0;
 120 }
 121
 122 /**
 123  *  e1000_init_nvm_params_82571 - Init NVM func ptrs.
 124  *  @hw: pointer to the HW structure
 125  *
 126  *  This is a function pointer entry point called by the api module.
 127  **/
 128 static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
 129 {
 130         struct e1000_nvm_info *nvm = &hw->nvm;
 131         u32 eecd = er32(EECD);
 132         u16 size;
 133
 134         nvm->opcode_bits = 8;
 135         nvm->delay_usec = 1;
 136         switch (nvm->override) {
 137         case e1000_nvm_override_spi_large:
 138                 nvm->page_size = 32;
 139                 nvm->address_bits = 16;
 140                 break;
 141         case e1000_nvm_override_spi_small:
 142                 nvm->page_size = 8;
 143                 nvm->address_bits = 8;
 144                 break;
 145         default:
 146                 nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
 147                 nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
 148                 break;
 149         }
 150
 151         switch (hw->mac.type) {
 152         case e1000_82573:
 153                 if (((eecd >> 15) & 0x3) == 0x3) {
 154                         nvm->type = e1000_nvm_flash_hw;
 155                         nvm->word_size = 2048;
 156                         /*
 157                          * Autonomous Flash update bit must be cleared due
 158                          * to Flash update issue.
 159                          */
 160                         eecd &= ~E1000_EECD_AUPDEN;
 161                         ew32(EECD, eecd);
 162                         break;
 163                 }
 164                 /* Fall Through */
 165         default:
 166                 nvm->type = e1000_nvm_eeprom_spi;
 167                 size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
 168                                   E1000_EECD_SIZE_EX_SHIFT);
 169                 /*
 170                  * Added to a constant, "size" becomes the left-shift value
 171                  * for setting word_size.
 172                  */
 173                 size += NVM_WORD_SIZE_BASE_SHIFT;
 174
 175                 /* EEPROM access above 16k is unsupported */
 176                 if (size > 14)
 177                         size = 14;
 178                 nvm->word_size  = 1 << size;
 179                 break;
 180         }
 181
 182         return 0;
 183 }
 184
 185 /**
 186  *  e1000_init_mac_params_82571 - Init MAC func ptrs.
 187  *  @hw: pointer to the HW structure
 188  *
 189  *  This is a function pointer entry point called by the api module.
 190  **/
 191 static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 192 {
 193         struct e1000_hw *hw = &adapter->hw;
 194         struct e1000_mac_info *mac = &hw->mac;
 195         struct e1000_mac_operations *func = &mac->ops;
 196
 197         /* Set media type */
 198         switch (adapter->pdev->device) {
 199         case E1000_DEV_ID_82571EB_FIBER:
 200         case E1000_DEV_ID_82572EI_FIBER:
 201         case E1000_DEV_ID_82571EB_QUAD_FIBER:
 202                 hw->phy.media_type = e1000_media_type_fiber;
 203                 break;
 204         case E1000_DEV_ID_82571EB_SERDES:
 205         case E1000_DEV_ID_82572EI_SERDES:
 206         case E1000_DEV_ID_82571EB_SERDES_DUAL:
 207         case E1000_DEV_ID_82571EB_SERDES_QUAD:
 208                 hw->phy.media_type = e1000_media_type_internal_serdes;
 209                 break;
 210         default:
 211                 hw->phy.media_type = e1000_media_type_copper;
 212                 break;
 213         }
 214
 215         /* Set mta register count */
 216         mac->mta_reg_count = 128;
 217         /* Set rar entry count */
 218         mac->rar_entry_count = E1000_RAR_ENTRIES;
 219         /* Set if manageability features are enabled. */
 220         mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
 221
 222         /* check for link */
 223         switch (hw->phy.media_type) {
 224         case e1000_media_type_copper:
 225                 func->setup_physical_interface = e1000_setup_copper_link_82571;
 226                 func->check_for_link = e1000e_check_for_copper_link;
 227                 func->get_link_up_info = e1000e_get_speed_and_duplex_copper;
 228                 break;
 229         case e1000_media_type_fiber:
 230                 func->setup_physical_interface =
 231                         e1000_setup_fiber_serdes_link_82571;
 232                 func->check_for_link = e1000e_check_for_fiber_link;
 233                 func->get_link_up_info =
 234                         e1000e_get_speed_and_duplex_fiber_serdes;
 235                 break;
 236         case e1000_media_type_internal_serdes:
 237                 func->setup_physical_interface =
 238                         e1000_setup_fiber_serdes_link_82571;
 239                 func->check_for_link = e1000e_check_for_serdes_link;
 240                 func->get_link_up_info =
 241                         e1000e_get_speed_and_duplex_fiber_serdes;
 242                 break;
 243         default:
 244                 return -E1000_ERR_CONFIG;
 245                 break;
 246         }
 247
 248         return 0;
 249 }
 250
 251 static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
 252 {
 253         struct e1000_hw *hw = &adapter->hw;
 254         static int global_quad_port_a; /* global port a indication */
 255         struct pci_dev *pdev = adapter->pdev;
 256         u16 eeprom_data = 0;
 257         int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1;
 258         s32 rc;
 259
 260         rc = e1000_init_mac_params_82571(adapter);
 261         if (rc)
 262                 return rc;
 263
 264         rc = e1000_init_nvm_params_82571(hw);
 265         if (rc)
 266                 return rc;
 267
 268         rc = e1000_init_phy_params_82571(hw);
 269         if (rc)
 270                 return rc;
 271
 272         /* tag quad port adapters first, it's used below */
 273         switch (pdev->device) {
 274         case E1000_DEV_ID_82571EB_QUAD_COPPER:
 275         case E1000_DEV_ID_82571EB_QUAD_FIBER:
 276         case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
 277         case E1000_DEV_ID_82571PT_QUAD_COPPER:
 278                 adapter->flags |= FLAG_IS_QUAD_PORT;
 279                 /* mark the first port */
 280                 if (global_quad_port_a == 0)
 281                         adapter->flags |= FLAG_IS_QUAD_PORT_A;
 282                 /* Reset for multiple quad port adapters */
 283                 global_quad_port_a++;
 284                 if (global_quad_port_a == 4)
 285                         global_quad_port_a = 0;
 286                 break;
 287         default:
 288                 break;
 289         }
 290
 291         switch (adapter->hw.mac.type) {
 292         case e1000_82571:
 293                 /* these dual ports don't have WoL on port B at all */
 294                 if (((pdev->device == E1000_DEV_ID_82571EB_FIBER) ||
 295                      (pdev->device == E1000_DEV_ID_82571EB_SERDES) ||
 296                      (pdev->device == E1000_DEV_ID_82571EB_COPPER)) &&
 297                     (is_port_b))
 298                         adapter->flags &= ~FLAG_HAS_WOL;
 299                 /* quad ports only support WoL on port A */
 300                 if (adapter->flags & FLAG_IS_QUAD_PORT &&
 301                     (!(adapter->flags & FLAG_IS_QUAD_PORT_A)))
 302                         adapter->flags &= ~FLAG_HAS_WOL;
 303                 /* Does not support WoL on any port */
 304                 if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)
 305                         adapter->flags &= ~FLAG_HAS_WOL;
 306                 break;
 307
 308         case e1000_82573:
 309                 if (pdev->device == E1000_DEV_ID_82573L) {
 310                         e1000_read_nvm(&adapter->hw, NVM_INIT_3GIO_3, 1,
 311                                        &eeprom_data);
 312                         if (eeprom_data & NVM_WORD1A_ASPM_MASK)
 313                                 adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES;
 314                 }
 315                 break;
 316         default:
 317                 break;
 318         }
 319
 320         return 0;
 321 }
 322
 323 /**
 324  *  e1000_get_phy_id_82571 - Retrieve the PHY ID and revision
 325  *  @hw: pointer to the HW structure
 326  *
 327  *  Reads the PHY registers and stores the PHY ID and possibly the PHY
 328  *  revision in the hardware structure.
 329  **/
 330 static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
 331 {
 332         struct e1000_phy_info *phy = &hw->phy;
 333
 334         switch (hw->mac.type) {
 335         case e1000_82571:
 336         case e1000_82572:
 337                 /*
 338                  * The 82571 firmware may still be configuring the PHY.
 339                  * In this case, we cannot access the PHY until the
 340                  * configuration is done.  So we explicitly set the
 341                  * PHY ID.
 342                  */
 343                 phy->id = IGP01E1000_I_PHY_ID;
 344                 break;
 345         case e1000_82573:
 346                 return e1000e_get_phy_id(hw);
 347                 break;
 348         default:
 349                 return -E1000_ERR_PHY;
 350                 break;
 351         }
 352
 353         return 0;
 354 }
 355
 356 /**
 357  *  e1000_get_hw_semaphore_82571 - Acquire hardware semaphore
 358  *  @hw: pointer to the HW structure
 359  *
 360  *  Acquire the HW semaphore to access the PHY or NVM
 361  **/
 362 static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
 363 {
 364         u32 swsm;
 365         s32 timeout = hw->nvm.word_size + 1;
 366         s32 i = 0;
 367
 368         /* Get the FW semaphore. */
 369         for (i = 0; i < timeout; i++) {
 370                 swsm = er32(SWSM);
 371                 ew32(SWSM, swsm | E1000_SWSM_SWESMBI);
 372
 373                 /* Semaphore acquired if bit latched */
 374                 if (er32(SWSM) & E1000_SWSM_SWESMBI)
 375                         break;
 376
 377                 udelay(50);
 378         }
 379
 380         if (i == timeout) {
 381                 /* Release semaphores */
 382                 e1000e_put_hw_semaphore(hw);
 383                 hw_dbg(hw, "Driver can't access the NVM\n");
 384                 return -E1000_ERR_NVM;
 385         }
 386
 387         return 0;
 388 }
 389
 390 /**
 391  *  e1000_put_hw_semaphore_82571 - Release hardware semaphore
 392  *  @hw: pointer to the HW structure
 393  *
 394  *  Release hardware semaphore used to access the PHY or NVM
 395  **/
 396 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
 397 {
 398         u32 swsm;
 399
 400         swsm = er32(SWSM);
 401
 402         swsm &= ~E1000_SWSM_SWESMBI;
 403
 404         ew32(SWSM, swsm);
 405 }
 406
 407 /**
 408  *  e1000_acquire_nvm_82571 - Request for access to the EEPROM
 409  *  @hw: pointer to the HW structure
 410  *
 411  *  To gain access to the EEPROM, first we must obtain a hardware semaphore.
 412  *  Then for non-82573 hardware, set the EEPROM access request bit and wait
 413  *  for EEPROM access grant bit.  If the access grant bit is not set, release
 414  *  hardware semaphore.
 415  **/
 416 static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw)
 417 {
 418         s32 ret_val;
 419
 420         ret_val = e1000_get_hw_semaphore_82571(hw);
 421         if (ret_val)
 422                 return ret_val;
 423
 424         if (hw->mac.type != e1000_82573)
 425                 ret_val = e1000e_acquire_nvm(hw);
 426
 427         if (ret_val)
 428                 e1000_put_hw_semaphore_82571(hw);
 429
 430         return ret_val;
 431 }
 432
 433 /**
 434  *  e1000_release_nvm_82571 - Release exclusive access to EEPROM
 435  *  @hw: pointer to the HW structure
 436  *
 437  *  Stop any current commands to the EEPROM and clear the EEPROM request bit.
 438  **/
 439 static void e1000_release_nvm_82571(struct e1000_hw *hw)
 440 {
 441         e1000e_release_nvm(hw);
 442         e1000_put_hw_semaphore_82571(hw);
 443 }
 444
 445 /**
 446  *  e1000_write_nvm_82571 - Write to EEPROM using appropriate interface
 447  *  @hw: pointer to the HW structure
 448  *  @offset: offset within the EEPROM to be written to
 449  *  @words: number of words to write
 450  *  @data: 16 bit word(s) to be written to the EEPROM
 451  *
 452  *  For non-82573 silicon, write data to EEPROM at offset using SPI interface.
 453  *
 454  *  If e1000e_update_nvm_checksum is not called after this function, the
 455  *  EEPROM will most likely contain an invalid checksum.
 456  **/
 457 static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words,
 458                                  u16 *data)
 459 {
 460         s32 ret_val;
 461
 462         switch (hw->mac.type) {
 463         case e1000_82573:
 464                 ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data);
 465                 break;
 466         case e1000_82571:
 467         case e1000_82572:
 468                 ret_val = e1000e_write_nvm_spi(hw, offset, words, data);
 469                 break;
 470         default:
 471                 ret_val = -E1000_ERR_NVM;
 472                 break;
 473         }
 474
 475         return ret_val;
 476 }
 477
 478 /**
 479  *  e1000_update_nvm_checksum_82571 - Update EEPROM checksum
 480  *  @hw: pointer to the HW structure
 481  *
 482  *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
 483  *  up to the checksum.  Then calculates the EEPROM checksum and writes the
 484  *  value to the EEPROM.
 485  **/
 486 static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw)
 487 {
 488         u32 eecd;
 489         s32 ret_val;
 490         u16 i;
 491
 492         ret_val = e1000e_update_nvm_checksum_generic(hw);
 493         if (ret_val)
 494                 return ret_val;
 495
 496         /*
 497          * If our nvm is an EEPROM, then we're done
 498          * otherwise, commit the checksum to the flash NVM.
 499          */
 500         if (hw->nvm.type != e1000_nvm_flash_hw)
 501                 return ret_val;
 502
 503         /* Check for pending operations. */
 504         for (i = 0; i < E1000_FLASH_UPDATES; i++) {
 505                 msleep(1);
 506                 if ((er32(EECD) & E1000_EECD_FLUPD) == 0)
 507                         break;
 508         }
 509
 510         if (i == E1000_FLASH_UPDATES)
 511                 return -E1000_ERR_NVM;
 512
 513         /* Reset the firmware if using STM opcode. */
 514         if ((er32(FLOP) & 0xFF00) == E1000_STM_OPCODE) {
 515                 /*
 516                  * The enabling of and the actual reset must be done
 517                  * in two write cycles.
 518                  */
 519                 ew32(HICR, E1000_HICR_FW_RESET_ENABLE);
 520                 e1e_flush();
 521                 ew32(HICR, E1000_HICR_FW_RESET);
 522         }
 523
 524         /* Commit the write to flash */
 525         eecd = er32(EECD) | E1000_EECD_FLUPD;
 526         ew32(EECD, eecd);
 527
 528         for (i = 0; i < E1000_FLASH_UPDATES; i++) {
 529                 msleep(1);
 530                 if ((er32(EECD) & E1000_EECD_FLUPD) == 0)
 531                         break;
 532         }
 533
 534         if (i == E1000_FLASH_UPDATES)
 535                 return -E1000_ERR_NVM;
 536
 537         return 0;
 538 }
 539
 540 /**
 541  *  e1000_validate_nvm_checksum_82571 - Validate EEPROM checksum
 542  *  @hw: pointer to the HW structure
 543  *
 544  *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
 545  *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
 546  **/
 547 static s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw)
 548 {
 549         if (hw->nvm.type == e1000_nvm_flash_hw)
 550                 e1000_fix_nvm_checksum_82571(hw);
 551
 552         return e1000e_validate_nvm_checksum_generic(hw);
 553 }
 554
 555 /**
 556  *  e1000_write_nvm_eewr_82571 - Write to EEPROM for 82573 silicon
 557  *  @hw: pointer to the HW structure
 558  *  @offset: offset within the EEPROM to be written to
 559  *  @words: number of words to write
 560  *  @data: 16 bit word(s) to be written to the EEPROM
 561  *
 562  *  After checking for invalid values, poll the EEPROM to ensure the previous
 563  *  command has completed before trying to write the next word.  After write
 564  *  poll for completion.
 565  *
 566  *  If e1000e_update_nvm_checksum is not called after this function, the
 567  *  EEPROM will most likely contain an invalid checksum.
 568  **/
 569 static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
 570                                       u16 words, u16 *data)
 571 {
 572         struct e1000_nvm_info *nvm = &hw->nvm;
 573         u32 i;
 574         u32 eewr = 0;
 575         s32 ret_val = 0;
 576
 577         /*
 578          * A check for invalid values:  offset too large, too many words,
 579          * and not enough words.
 580          */
 581         if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
 582             (words == 0)) {
 583                 hw_dbg(hw, "nvm parameter(s) out of bounds\n");
 584                 return -E1000_ERR_NVM;
 585         }
 586
 587         for (i = 0; i < words; i++) {
 588                 eewr = (data[i] << E1000_NVM_RW_REG_DATA) |
 589                        ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
 590                        E1000_NVM_RW_REG_START;
 591
 592                 ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
 593                 if (ret_val)
 594                         break;
 595
 596                 ew32(EEWR, eewr);
 597
 598                 ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
 599                 if (ret_val)
 600                         break;
 601         }
 602
 603         return ret_val;
 604 }
 605
 606 /**
 607  *  e1000_get_cfg_done_82571 - Poll for configuration done
 608  *  @hw: pointer to the HW structure
 609  *
 610  *  Reads the management control register for the config done bit to be set.
 611  **/
 612 static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
 613 {
 614         s32 timeout = PHY_CFG_TIMEOUT;
 615
 616         while (timeout) {
 617                 if (er32(EEMNGCTL) &
 618                     E1000_NVM_CFG_DONE_PORT_0)
 619                         break;
 620                 msleep(1);
 621                 timeout--;
 622         }
 623         if (!timeout) {
 624                 hw_dbg(hw, "MNG configuration cycle has not completed.\n");
 625                 return -E1000_ERR_RESET;
 626         }
 627
 628         return 0;
 629 }
 630
 631 /**
 632  *  e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state
 633  *  @hw: pointer to the HW structure
 634  *  @active: TRUE to enable LPLU, FALSE to disable
 635  *
 636  *  Sets the LPLU D0 state according to the active flag.  When activating LPLU
 637  *  this function also disables smart speed and vice versa.  LPLU will not be
 638  *  activated unless the device autonegotiation advertisement meets standards
 639  *  of either 10 or 10/100 or 10/100/1000 at all duplexes.  This is a function
 640  *  pointer entry point only called by PHY setup routines.
 641  **/
 642 static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
 643 {
 644         struct e1000_phy_info *phy = &hw->phy;
 645         s32 ret_val;
 646         u16 data;
 647
 648         ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data);
 649         if (ret_val)
 650                 return ret_val;
 651
 652         if (active) {
 653                 data |= IGP02E1000_PM_D0_LPLU;
 654                 ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
 655                 if (ret_val)
 656                         return ret_val;
 657
 658                 /* When LPLU is enabled, we should disable SmartSpeed */
 659                 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
 660                 data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 661                 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
 662                 if (ret_val)
 663                         return ret_val;
 664         } else {
 665                 data &= ~IGP02E1000_PM_D0_LPLU;
 666                 ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
 667                 /*
 668                  * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
 669                  * during Dx states where the power conservation is most
 670                  * important.  During driver activity we should enable
 671                  * SmartSpeed, so performance is maintained.
 672                  */
 673                 if (phy->smart_speed == e1000_smart_speed_on) {
 674                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 675                                            &data);
 676                         if (ret_val)
 677                                 return ret_val;
 678
 679                         data |= IGP01E1000_PSCFR_SMART_SPEED;
 680                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 681                                            data);
 682                         if (ret_val)
 683                                 return ret_val;
 684                 } else if (phy->smart_speed == e1000_smart_speed_off) {
 685                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 686                                            &data);
 687                         if (ret_val)
 688                                 return ret_val;
 689
 690                         data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 691                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 692                                            data);
 693                         if (ret_val)
 694                                 return ret_val;
 695                 }
 696         }
 697
 698         return 0;
 699 }
 700
 701 /**
 702  *  e1000_reset_hw_82571 - Reset hardware
 703  *  @hw: pointer to the HW structure
 704  *
 705  *  This resets the hardware into a known state.  This is a
 706  *  function pointer entry point called by the api module.
 707  **/
 708 static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 709 {
 710         u32 ctrl;
 711         u32 extcnf_ctrl;
 712         u32 ctrl_ext;
 713         u32 icr;
 714         s32 ret_val;
 715         u16 i = 0;
 716
 717         /*
 718          * Prevent the PCI-E bus from sticking if there is no TLP connection
 719          * on the last TLP read/write transaction when MAC is reset.
 720          */
 721         ret_val = e1000e_disable_pcie_master(hw);
 722         if (ret_val)
 723                 hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
 724
 725         hw_dbg(hw, "Masking off all interrupts\n");
 726         ew32(IMC, 0xffffffff);
 727
 728         ew32(RCTL, 0);
 729         ew32(TCTL, E1000_TCTL_PSP);
 730         e1e_flush();
 731
 732         msleep(10);
 733
 734         /*
 735          * Must acquire the MDIO ownership before MAC reset.
 736          * Ownership defaults to firmware after a reset.
 737          */
 738         if (hw->mac.type == e1000_82573) {
 739                 extcnf_ctrl = er32(EXTCNF_CTRL);
 740                 extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
 741
 742                 do {
 743                         ew32(EXTCNF_CTRL, extcnf_ctrl);
 744                         extcnf_ctrl = er32(EXTCNF_CTRL);
 745
 746                         if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
 747                                 break;
 748
 749                         extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
 750
 751                         msleep(2);
 752                         i++;
 753                 } while (i < MDIO_OWNERSHIP_TIMEOUT);
 754         }
 755
 756         ctrl = er32(CTRL);
 757
 758         hw_dbg(hw, "Issuing a global reset to MAC\n");
 759         ew32(CTRL, ctrl | E1000_CTRL_RST);
 760
 761         if (hw->nvm.type == e1000_nvm_flash_hw) {
 762                 udelay(10);
 763                 ctrl_ext = er32(CTRL_EXT);
 764                 ctrl_ext |= E1000_CTRL_EXT_EE_RST;
 765                 ew32(CTRL_EXT, ctrl_ext);
 766                 e1e_flush();
 767         }
 768
 769         ret_val = e1000e_get_auto_rd_done(hw);
 770         if (ret_val)
 771                 /* We don't want to continue accessing MAC registers. */
 772                 return ret_val;
 773
 774         /*
 775          * Phy configuration from NVM just starts after EECD_AUTO_RD is set.
 776          * Need to wait for Phy configuration completion before accessing
 777          * NVM and Phy.
 778          */
 779         if (hw->mac.type == e1000_82573)
 780                 msleep(25);
 781
 782         /* Clear any pending interrupt events. */
 783         ew32(IMC, 0xffffffff);
 784         icr = er32(ICR);
 785
 786         if (hw->mac.type == e1000_82571 &&
 787                 hw->dev_spec.e82571.alt_mac_addr_is_present)
 788                         e1000e_set_laa_state_82571(hw, true);
 789
 790         return 0;
 791 }
 792
 793 /**
 794  *  e1000_init_hw_82571 - Initialize hardware
 795  *  @hw: pointer to the HW structure
 796  *
 797  *  This inits the hardware readying it for operation.
 798  **/
 799 static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 800 {
 801         struct e1000_mac_info *mac = &hw->mac;
 802         u32 reg_data;
 803         s32 ret_val;
 804         u16 i;
 805         u16 rar_count = mac->rar_entry_count;
 806
 807         e1000_initialize_hw_bits_82571(hw);
 808
 809         /* Initialize identification LED */
 810         ret_val = e1000e_id_led_init(hw);
 811         if (ret_val) {
 812                 hw_dbg(hw, "Error initializing identification LED\n");
 813                 return ret_val;
 814         }
 815
 816         /* Disabling VLAN filtering */
 817         hw_dbg(hw, "Initializing the IEEE VLAN\n");
 818         e1000e_clear_vfta(hw);
 819
 820         /* Setup the receive address. */
 821         /*
 822          * If, however, a locally administered address was assigned to the
 823          * 82571, we must reserve a RAR for it to work around an issue where
 824          * resetting one port will reload the MAC on the other port.
 825          */
 826         if (e1000e_get_laa_state_82571(hw))
 827                 rar_count--;
 828         e1000e_init_rx_addrs(hw, rar_count);
 829
 830         /* Zero out the Multicast HASH table */
 831         hw_dbg(hw, "Zeroing the MTA\n");
 832         for (i = 0; i < mac->mta_reg_count; i++)
 833                 E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
 834
 835         /* Setup link and flow control */
 836         ret_val = e1000_setup_link_82571(hw);
 837
 838         /* Set the transmit descriptor write-back policy */
 839         reg_data = er32(TXDCTL(0));
 840         reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
 841                    E1000_TXDCTL_FULL_TX_DESC_WB |
 842                    E1000_TXDCTL_COUNT_DESC;
 843         ew32(TXDCTL(0), reg_data);
 844
 845         /* ...for both queues. */
 846         if (mac->type != e1000_82573) {
 847                 reg_data = er32(TXDCTL(1));
 848                 reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
 849                            E1000_TXDCTL_FULL_TX_DESC_WB |
 850                            E1000_TXDCTL_COUNT_DESC;
 851                 ew32(TXDCTL(1), reg_data);
 852         } else {
 853                 e1000e_enable_tx_pkt_filtering(hw);
 854                 reg_data = er32(GCR);
 855                 reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
 856                 ew32(GCR, reg_data);
 857         }
 858
 859         /*
 860          * Clear all of the statistics registers (clear on read).  It is
 861          * important that we do this after we have tried to establish link
 862          * because the symbol error count will increment wildly if there
 863          * is no link.
 864          */
 865         e1000_clear_hw_cntrs_82571(hw);
 866
 867         return ret_val;
 868 }
 869
 870 /**
 871  *  e1000_initialize_hw_bits_82571 - Initialize hardware-dependent bits
 872  *  @hw: pointer to the HW structure
 873  *
 874  *  Initializes required hardware-dependent bits needed for normal operation.
 875  **/
 876 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
 877 {
 878         u32 reg;
 879
 880         /* Transmit Descriptor Control 0 */
 881         reg = er32(TXDCTL(0));
 882         reg |= (1 << 22);
 883         ew32(TXDCTL(0), reg);
 884
 885         /* Transmit Descriptor Control 1 */
 886         reg = er32(TXDCTL(1));
 887         reg |= (1 << 22);
 888         ew32(TXDCTL(1), reg);
 889
 890         /* Transmit Arbitration Control 0 */
 891         reg = er32(TARC(0));
 892         reg &= ~(0xF << 27); /* 30:27 */
 893         switch (hw->mac.type) {
 894         case e1000_82571:
 895         case e1000_82572:
 896                 reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26);
 897                 break;
 898         default:
 899                 break;
 900         }
 901         ew32(TARC(0), reg);
 902
 903         /* Transmit Arbitration Control 1 */
 904         reg = er32(TARC(1));
 905         switch (hw->mac.type) {
 906         case e1000_82571:
 907         case e1000_82572:
 908                 reg &= ~((1 << 29) | (1 << 30));
 909                 reg |= (1 << 22) | (1 << 24) | (1 << 25) | (1 << 26);
 910                 if (er32(TCTL) & E1000_TCTL_MULR)
 911                         reg &= ~(1 << 28);
 912                 else
 913                         reg |= (1 << 28);
 914                 ew32(TARC(1), reg);
 915                 break;
 916         default:
 917                 break;
 918         }
 919
 920         /* Device Control */
 921         if (hw->mac.type == e1000_82573) {
 922                 reg = er32(CTRL);
 923                 reg &= ~(1 << 29);
 924                 ew32(CTRL, reg);
 925         }
 926
 927         /* Extended Device Control */
 928         if (hw->mac.type == e1000_82573) {
 929                 reg = er32(CTRL_EXT);
 930                 reg &= ~(1 << 23);
 931                 reg |= (1 << 22);
 932                 ew32(CTRL_EXT, reg);
 933         }
 934 }
 935
 936 /**
 937  *  e1000e_clear_vfta - Clear VLAN filter table
 938  *  @hw: pointer to the HW structure
 939  *
 940  *  Clears the register array which contains the VLAN filter table by
 941  *  setting all the values to 0.
 942  **/
 943 void e1000e_clear_vfta(struct e1000_hw *hw)
 944 {
 945         u32 offset;
 946         u32 vfta_value = 0;
 947         u32 vfta_offset = 0;
 948         u32 vfta_bit_in_reg = 0;
 949
 950         if (hw->mac.type == e1000_82573) {
 951                 if (hw->mng_cookie.vlan_id != 0) {
 952                         /*
 953                          * The VFTA is a 4096b bit-field, each identifying
 954                          * a single VLAN ID.  The following operations
 955                          * determine which 32b entry (i.e. offset) into the
 956                          * array we want to set the VLAN ID (i.e. bit) of
 957                          * the manageability unit.
 958                          */
 959                         vfta_offset = (hw->mng_cookie.vlan_id >>
 960                                        E1000_VFTA_ENTRY_SHIFT) &
 961                                       E1000_VFTA_ENTRY_MASK;
 962                         vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
 963                                                E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
 964                 }
 965         }
 966         for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
 967                 /*
 968                  * If the offset we want to clear is the same offset of the
 969                  * manageability VLAN ID, then clear all bits except that of
 970                  * the manageability unit.
 971                  */
 972                 vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
 973                 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, vfta_value);
 974                 e1e_flush();
 975         }
 976 }
 977
 978 /**
 979  *  e1000_update_mc_addr_list_82571 - Update Multicast addresses
 980  *  @hw: pointer to the HW structure
 981  *  @mc_addr_list: array of multicast addresses to program
 982  *  @mc_addr_count: number of multicast addresses to program
 983  *  @rar_used_count: the first RAR register free to program
 984  *  @rar_count: total number of supported Receive Address Registers
 985  *
 986  *  Updates the Receive Address Registers and Multicast Table Array.
 987  *  The caller must have a packed mc_addr_list of multicast addresses.
 988  *  The parameter rar_count will usually be hw->mac.rar_entry_count
 989  *  unless there are workarounds that change this.
 990  **/
 991 static void e1000_update_mc_addr_list_82571(struct e1000_hw *hw,
 992                                             u8 *mc_addr_list,
 993                                             u32 mc_addr_count,
 994                                             u32 rar_used_count,
 995                                             u32 rar_count)
 996 {
 997         if (e1000e_get_laa_state_82571(hw))
 998                 rar_count--;
 999
1000         e1000e_update_mc_addr_list_generic(hw, mc_addr_list, mc_addr_count,
1001                                            rar_used_count, rar_count);
1002 }
1003
1004 /**
1005  *  e1000_setup_link_82571 - Setup flow control and link settings
1006  *  @hw: pointer to the HW structure
1007  *
1008  *  Determines which flow control settings to use, then configures flow
1009  *  control.  Calls the appropriate media-specific link configuration
1010  *  function.  Assuming the adapter has a valid link partner, a valid link
1011  *  should be established.  Assumes the hardware has previously been reset
1012  *  and the transmitter and receiver are not enabled.
1013  **/
1014 static s32 e1000_setup_link_82571(struct e1000_hw *hw)
1015 {
1016         /*
1017          * 82573 does not have a word in the NVM to determine
1018          * the default flow control setting, so we explicitly
1019          * set it to full.
1020          */
1021         if (hw->mac.type == e1000_82573)
1022                 hw->fc.type = e1000_fc_full;
1023
1024         return e1000e_setup_link(hw);
1025 }
1026
1027 /**
1028  *  e1000_setup_copper_link_82571 - Configure copper link settings
1029  *  @hw: pointer to the HW structure
1030  *
1031  *  Configures the link for auto-neg or forced speed and duplex.  Then we check
1032  *  for link, once link is established calls to configure collision distance
1033  *  and flow control are called.
1034  **/
1035 static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw)
1036 {
1037         u32 ctrl;
1038         u32 led_ctrl;
1039         s32 ret_val;
1040
1041         ctrl = er32(CTRL);
1042         ctrl |= E1000_CTRL_SLU;
1043         ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
1044         ew32(CTRL, ctrl);
1045
1046         switch (hw->phy.type) {
1047         case e1000_phy_m88:
1048                 ret_val = e1000e_copper_link_setup_m88(hw);
1049                 break;
1050         case e1000_phy_igp_2:
1051                 ret_val = e1000e_copper_link_setup_igp(hw);
1052                 /* Setup activity LED */
1053                 led_ctrl = er32(LEDCTL);
1054                 led_ctrl &= IGP_ACTIVITY_LED_MASK;
1055                 led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
1056                 ew32(LEDCTL, led_ctrl);
1057                 break;
1058         default:
1059                 return -E1000_ERR_PHY;
1060                 break;
1061         }
1062
1063         if (ret_val)
1064                 return ret_val;
1065
1066         ret_val = e1000e_setup_copper_link(hw);
1067
1068         return ret_val;
1069 }
1070
1071 /**
1072  *  e1000_setup_fiber_serdes_link_82571 - Setup link for fiber/serdes
1073  *  @hw: pointer to the HW structure
1074  *
1075  *  Configures collision distance and flow control for fiber and serdes links.
1076  *  Upon successful setup, poll for link.
1077  **/
1078 static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw)
1079 {
1080         switch (hw->mac.type) {
1081         case e1000_82571:
1082         case e1000_82572:
1083                 /*
1084                  * If SerDes loopback mode is entered, there is no form
1085                  * of reset to take the adapter out of that mode.  So we
1086                  * have to explicitly take the adapter out of loopback
1087                  * mode.  This prevents drivers from twiddling their thumbs
1088                  * if another tool failed to take it out of loopback mode.
1089                  */
1090                 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1091                 break;
1092         default:
1093                 break;
1094         }
1095
1096         return e1000e_setup_fiber_serdes_link(hw);
1097 }
1098
1099 /**
1100  *  e1000_valid_led_default_82571 - Verify a valid default LED config
1101  *  @hw: pointer to the HW structure
1102  *  @data: pointer to the NVM (EEPROM)
1103  *
1104  *  Read the EEPROM for the current default LED configuration.  If the
1105  *  LED configuration is not valid, set to a valid LED configuration.
1106  **/
1107 static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
1108 {
1109         s32 ret_val;
1110
1111         ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
1112         if (ret_val) {
1113                 hw_dbg(hw, "NVM Read Error\n");
1114                 return ret_val;
1115         }
1116
1117         if (hw->mac.type == e1000_82573 &&
1118             *data == ID_LED_RESERVED_F746)
1119                 *data = ID_LED_DEFAULT_82573;
1120         else if (*data == ID_LED_RESERVED_0000 ||
1121                  *data == ID_LED_RESERVED_FFFF)
1122                 *data = ID_LED_DEFAULT;
1123
1124         return 0;
1125 }
1126
1127 /**
1128  *  e1000e_get_laa_state_82571 - Get locally administered address state
1129  *  @hw: pointer to the HW structure
1130  *
1131  *  Retrieve and return the current locally administered address state.
1132  **/
1133 bool e1000e_get_laa_state_82571(struct e1000_hw *hw)
1134 {
1135         if (hw->mac.type != e1000_82571)
1136                 return 0;
1137
1138         return hw->dev_spec.e82571.laa_is_present;
1139 }
1140
1141 /**
1142  *  e1000e_set_laa_state_82571 - Set locally administered address state
1143  *  @hw: pointer to the HW structure
1144  *  @state: enable/disable locally administered address
1145  *
1146  *  Enable/Disable the current locally administers address state.
1147  **/
1148 void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state)
1149 {
1150         if (hw->mac.type != e1000_82571)
1151                 return;
1152
1153         hw->dev_spec.e82571.laa_is_present = state;
1154
1155         /* If workaround is activated... */
1156         if (state)
1157                 /*
1158                  * Hold a copy of the LAA in RAR[14] This is done so that
1159                  * between the time RAR[0] gets clobbered and the time it
1160                  * gets fixed, the actual LAA is in one of the RARs and no
1161                  * incoming packets directed to this port are dropped.
1162                  * Eventually the LAA will be in RAR[0] and RAR[14].
1163                  */
1164                 e1000e_rar_set(hw, hw->mac.addr, hw->mac.rar_entry_count - 1);
1165 }
1166
1167 /**
1168  *  e1000_fix_nvm_checksum_82571 - Fix EEPROM checksum
1169  *  @hw: pointer to the HW structure
1170  *
1171  *  Verifies that the EEPROM has completed the update.  After updating the
1172  *  EEPROM, we need to check bit 15 in work 0x23 for the checksum fix.  If
1173  *  the checksum fix is not implemented, we need to set the bit and update
1174  *  the checksum.  Otherwise, if bit 15 is set and the checksum is incorrect,
1175  *  we need to return bad checksum.
1176  **/
1177 static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
1178 {
1179         struct e1000_nvm_info *nvm = &hw->nvm;
1180         s32 ret_val;
1181         u16 data;
1182
1183         if (nvm->type != e1000_nvm_flash_hw)
1184                 return 0;
1185
1186         /*
1187          * Check bit 4 of word 10h.  If it is 0, firmware is done updating
1188          * 10h-12h.  Checksum may need to be fixed.
1189          */
1190         ret_val = e1000_read_nvm(hw, 0x10, 1, &data);
1191         if (ret_val)
1192                 return ret_val;
1193
1194         if (!(data & 0x10)) {
1195                 /*
1196                  * Read 0x23 and check bit 15.  This bit is a 1
1197                  * when the checksum has already been fixed.  If
1198                  * the checksum is still wrong and this bit is a
1199                  * 1, we need to return bad checksum.  Otherwise,
1200                  * we need to set this bit to a 1 and update the
1201                  * checksum.
1202                  */
1203                 ret_val = e1000_read_nvm(hw, 0x23, 1, &data);
1204                 if (ret_val)
1205                         return ret_val;
1206
1207                 if (!(data & 0x8000)) {
1208                         data |= 0x8000;
1209                         ret_val = e1000_write_nvm(hw, 0x23, 1, &data);
1210                         if (ret_val)
1211                                 return ret_val;
1212                         ret_val = e1000e_update_nvm_checksum(hw);
1213                 }
1214         }
1215
1216         return 0;
1217 }
1218
1219 /**
1220  *  e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters
1221  *  @hw: pointer to the HW structure
1222  *
1223  *  Clears the hardware counters by reading the counter registers.
1224  **/
1225 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
1226 {
1227         u32 temp;
1228
1229         e1000e_clear_hw_cntrs_base(hw);
1230
1231         temp = er32(PRC64);
1232         temp = er32(PRC127);
1233         temp = er32(PRC255);
1234         temp = er32(PRC511);
1235         temp = er32(PRC1023);
1236         temp = er32(PRC1522);
1237         temp = er32(PTC64);
1238         temp = er32(PTC127);
1239         temp = er32(PTC255);
1240         temp = er32(PTC511);
1241         temp = er32(PTC1023);
1242         temp = er32(PTC1522);
1243
1244         temp = er32(ALGNERRC);
1245         temp = er32(RXERRC);
1246         temp = er32(TNCRS);
1247         temp = er32(CEXTERR);
1248         temp = er32(TSCTC);
1249         temp = er32(TSCTFC);
1250
1251         temp = er32(MGTPRC);
1252         temp = er32(MGTPDC);
1253         temp = er32(MGTPTC);
1254
1255         temp = er32(IAC);
1256         temp = er32(ICRXOC);
1257
1258         temp = er32(ICRXPTC);
1259         temp = er32(ICRXATC);
1260         temp = er32(ICTXPTC);
1261         temp = er32(ICTXATC);
1262         temp = er32(ICTXQEC);
1263         temp = er32(ICTXQMTC);
1264         temp = er32(ICRXDMTC);
1265 }
1266
1267 static struct e1000_mac_operations e82571_mac_ops = {
1268         .mng_mode_enab          = E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT,
1269         /* .check_for_link: media type dependent */
1270         .cleanup_led            = e1000e_cleanup_led_generic,
1271         .clear_hw_cntrs         = e1000_clear_hw_cntrs_82571,
1272         .get_bus_info           = e1000e_get_bus_info_pcie,
1273         /* .get_link_up_info: media type dependent */
1274         .led_on                 = e1000e_led_on_generic,
1275         .led_off                = e1000e_led_off_generic,
1276         .update_mc_addr_list    = e1000_update_mc_addr_list_82571,
1277         .reset_hw               = e1000_reset_hw_82571,
1278         .init_hw                = e1000_init_hw_82571,
1279         .setup_link             = e1000_setup_link_82571,
1280         /* .setup_physical_interface: media type dependent */
1281 };
1282
1283 static struct e1000_phy_operations e82_phy_ops_igp = {
1284         .acquire_phy            = e1000_get_hw_semaphore_82571,
1285         .check_reset_block      = e1000e_check_reset_block_generic,
1286         .commit_phy             = NULL,
1287         .force_speed_duplex     = e1000e_phy_force_speed_duplex_igp,
1288         .get_cfg_done           = e1000_get_cfg_done_82571,
1289         .get_cable_length       = e1000e_get_cable_length_igp_2,
1290         .get_phy_info           = e1000e_get_phy_info_igp,
1291         .read_phy_reg           = e1000e_read_phy_reg_igp,
1292         .release_phy            = e1000_put_hw_semaphore_82571,
1293         .reset_phy              = e1000e_phy_hw_reset_generic,
1294         .set_d0_lplu_state      = e1000_set_d0_lplu_state_82571,
1295         .set_d3_lplu_state      = e1000e_set_d3_lplu_state,
1296         .write_phy_reg          = e1000e_write_phy_reg_igp,
1297 };
1298
1299 static struct e1000_phy_operations e82_phy_ops_m88 = {
1300         .acquire_phy            = e1000_get_hw_semaphore_82571,
1301         .check_reset_block      = e1000e_check_reset_block_generic,
1302         .commit_phy             = e1000e_phy_sw_reset,
1303         .force_speed_duplex     = e1000e_phy_force_speed_duplex_m88,
1304         .get_cfg_done           = e1000e_get_cfg_done,
1305         .get_cable_length       = e1000e_get_cable_length_m88,
1306         .get_phy_info           = e1000e_get_phy_info_m88,
1307         .read_phy_reg           = e1000e_read_phy_reg_m88,
1308         .release_phy            = e1000_put_hw_semaphore_82571,
1309         .reset_phy              = e1000e_phy_hw_reset_generic,
1310         .set_d0_lplu_state      = e1000_set_d0_lplu_state_82571,
1311         .set_d3_lplu_state      = e1000e_set_d3_lplu_state,
1312         .write_phy_reg          = e1000e_write_phy_reg_m88,
1313 };
1314
1315 static struct e1000_nvm_operations e82571_nvm_ops = {
1316         .acquire_nvm            = e1000_acquire_nvm_82571,
1317         .read_nvm               = e1000e_read_nvm_eerd,
1318         .release_nvm            = e1000_release_nvm_82571,
1319         .update_nvm             = e1000_update_nvm_checksum_82571,
1320         .valid_led_default      = e1000_valid_led_default_82571,
1321         .validate_nvm           = e1000_validate_nvm_checksum_82571,
1322         .write_nvm              = e1000_write_nvm_82571,
1323 };
1324
1325 struct e1000_info e1000_82571_info = {
1326         .mac                    = e1000_82571,
1327         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1328                                   | FLAG_HAS_JUMBO_FRAMES
1329                                   | FLAG_HAS_WOL
1330                                   | FLAG_APME_IN_CTRL3
1331                                   | FLAG_RX_CSUM_ENABLED
1332                                   | FLAG_HAS_CTRLEXT_ON_LOAD
1333                                   | FLAG_HAS_SMART_POWER_DOWN
1334                                   | FLAG_RESET_OVERWRITES_LAA /* errata */
1335                                   | FLAG_TARC_SPEED_MODE_BIT /* errata */
1336                                   | FLAG_APME_CHECK_PORT_B,
1337         .pba                    = 38,
1338         .get_variants           = e1000_get_variants_82571,
1339         .mac_ops                = &e82571_mac_ops,
1340         .phy_ops                = &e82_phy_ops_igp,
1341         .nvm_ops                = &e82571_nvm_ops,
1342 };
1343
1344 struct e1000_info e1000_82572_info = {
1345         .mac                    = e1000_82572,
1346         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1347                                   | FLAG_HAS_JUMBO_FRAMES
1348                                   | FLAG_HAS_WOL
1349                                   | FLAG_APME_IN_CTRL3
1350                                   | FLAG_RX_CSUM_ENABLED
1351                                   | FLAG_HAS_CTRLEXT_ON_LOAD
1352                                   | FLAG_TARC_SPEED_MODE_BIT, /* errata */
1353         .pba                    = 38,
1354         .get_variants           = e1000_get_variants_82571,
1355         .mac_ops                = &e82571_mac_ops,
1356         .phy_ops                = &e82_phy_ops_igp,
1357         .nvm_ops                = &e82571_nvm_ops,
1358 };
1359
1360 struct e1000_info e1000_82573_info = {
1361         .mac                    = e1000_82573,
1362         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1363                                   | FLAG_HAS_JUMBO_FRAMES
1364                                   | FLAG_HAS_WOL
1365                                   | FLAG_APME_IN_CTRL3
1366                                   | FLAG_RX_CSUM_ENABLED
1367                                   | FLAG_HAS_SMART_POWER_DOWN
1368                                   | FLAG_HAS_AMT
1369                                   | FLAG_HAS_ERT
1370                                   | FLAG_HAS_SWSM_ON_LOAD,
1371         .pba                    = 20,
1372         .get_variants           = e1000_get_variants_82571,
1373         .mac_ops                = &e82571_mac_ops,
1374         .phy_ops                = &e82_phy_ops_m88,
1375         .nvm_ops                = &e82571_nvm_ops,
1376 };
1377