drivers/net/e1000e/82571.c

   1 /*******************************************************************************
   2
   3   Intel PRO/1000 Linux driver
   4   Copyright(c) 1999 - 2009 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 (Copper)
  32  * 82571EB Gigabit Ethernet Controller (Fiber)
  33  * 82571EB Dual Port Gigabit Mezzanine Adapter
  34  * 82571EB Quad Port Gigabit Mezzanine Adapter
  35  * 82571PT Gigabit PT Quad Port Server ExpressModule
  36  * 82572EI Gigabit Ethernet Controller (Copper)
  37  * 82572EI Gigabit Ethernet Controller (Fiber)
  38  * 82572EI Gigabit Ethernet Controller
  39  * 82573V Gigabit Ethernet Controller (Copper)
  40  * 82573E Gigabit Ethernet Controller (Copper)
  41  * 82573L Gigabit Ethernet Controller
  42  * 82574L Gigabit Network Connection
  43  * 82583V Gigabit Network Connection
  44  */
  45
  46 #include "e1000.h"
  47
  48 #define ID_LED_RESERVED_F746 0xF746
  49 #define ID_LED_DEFAULT_82573 ((ID_LED_DEF1_DEF2 << 12) | \
  50                               (ID_LED_OFF1_ON2  <<  8) | \
  51                               (ID_LED_DEF1_DEF2 <<  4) | \
  52                               (ID_LED_DEF1_DEF2))
  53
  54 #define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000
  55
  56 #define E1000_NVM_INIT_CTRL2_MNGM 0x6000 /* Manageability Operation Mode mask */
  57
  58 static s32 e1000_get_phy_id_82571(struct e1000_hw *hw);
  59 static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw);
  60 static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw);
  61 static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw);
  62 static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
  63                                       u16 words, u16 *data);
  64 static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw);
  65 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw);
  66 static s32 e1000_setup_link_82571(struct e1000_hw *hw);
  67 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw);
  68 static void e1000_clear_vfta_82571(struct e1000_hw *hw);
  69 static bool e1000_check_mng_mode_82574(struct e1000_hw *hw);
  70 static s32 e1000_led_on_82574(struct e1000_hw *hw);
  71 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
  72 static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw);
  73
  74 /**
  75  *  e1000_init_phy_params_82571 - Init PHY func ptrs.
  76  *  @hw: pointer to the HW structure
  77  **/
  78 static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
  79 {
  80         struct e1000_phy_info *phy = &hw->phy;
  81         s32 ret_val;
  82
  83         if (hw->phy.media_type != e1000_media_type_copper) {
  84                 phy->type = e1000_phy_none;
  85                 return 0;
  86         }
  87
  88         phy->addr                        = 1;
  89         phy->autoneg_mask                = AUTONEG_ADVERTISE_SPEED_DEFAULT;
  90         phy->reset_delay_us              = 100;
  91
  92         phy->ops.power_up                = e1000_power_up_phy_copper;
  93         phy->ops.power_down              = e1000_power_down_phy_copper_82571;
  94
  95         switch (hw->mac.type) {
  96         case e1000_82571:
  97         case e1000_82572:
  98                 phy->type                = e1000_phy_igp_2;
  99                 break;
 100         case e1000_82573:
 101                 phy->type                = e1000_phy_m88;
 102                 break;
 103         case e1000_82574:
 104         case e1000_82583:
 105                 phy->type                = e1000_phy_bm;
 106                 break;
 107         default:
 108                 return -E1000_ERR_PHY;
 109                 break;
 110         }
 111
 112         /* This can only be done after all function pointers are setup. */
 113         ret_val = e1000_get_phy_id_82571(hw);
 114
 115         /* Verify phy id */
 116         switch (hw->mac.type) {
 117         case e1000_82571:
 118         case e1000_82572:
 119                 if (phy->id != IGP01E1000_I_PHY_ID)
 120                         return -E1000_ERR_PHY;
 121                 break;
 122         case e1000_82573:
 123                 if (phy->id != M88E1111_I_PHY_ID)
 124                         return -E1000_ERR_PHY;
 125                 break;
 126         case e1000_82574:
 127         case e1000_82583:
 128                 if (phy->id != BME1000_E_PHY_ID_R2)
 129                         return -E1000_ERR_PHY;
 130                 break;
 131         default:
 132                 return -E1000_ERR_PHY;
 133                 break;
 134         }
 135
 136         return 0;
 137 }
 138
 139 /**
 140  *  e1000_init_nvm_params_82571 - Init NVM func ptrs.
 141  *  @hw: pointer to the HW structure
 142  **/
 143 static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
 144 {
 145         struct e1000_nvm_info *nvm = &hw->nvm;
 146         u32 eecd = er32(EECD);
 147         u16 size;
 148
 149         nvm->opcode_bits = 8;
 150         nvm->delay_usec = 1;
 151         switch (nvm->override) {
 152         case e1000_nvm_override_spi_large:
 153                 nvm->page_size = 32;
 154                 nvm->address_bits = 16;
 155                 break;
 156         case e1000_nvm_override_spi_small:
 157                 nvm->page_size = 8;
 158                 nvm->address_bits = 8;
 159                 break;
 160         default:
 161                 nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
 162                 nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
 163                 break;
 164         }
 165
 166         switch (hw->mac.type) {
 167         case e1000_82573:
 168         case e1000_82574:
 169         case e1000_82583:
 170                 if (((eecd >> 15) & 0x3) == 0x3) {
 171                         nvm->type = e1000_nvm_flash_hw;
 172                         nvm->word_size = 2048;
 173                         /*
 174                          * Autonomous Flash update bit must be cleared due
 175                          * to Flash update issue.
 176                          */
 177                         eecd &= ~E1000_EECD_AUPDEN;
 178                         ew32(EECD, eecd);
 179                         break;
 180                 }
 181                 /* Fall Through */
 182         default:
 183                 nvm->type = e1000_nvm_eeprom_spi;
 184                 size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
 185                                   E1000_EECD_SIZE_EX_SHIFT);
 186                 /*
 187                  * Added to a constant, "size" becomes the left-shift value
 188                  * for setting word_size.
 189                  */
 190                 size += NVM_WORD_SIZE_BASE_SHIFT;
 191
 192                 /* EEPROM access above 16k is unsupported */
 193                 if (size > 14)
 194                         size = 14;
 195                 nvm->word_size  = 1 << size;
 196                 break;
 197         }
 198
 199         return 0;
 200 }
 201
 202 /**
 203  *  e1000_init_mac_params_82571 - Init MAC func ptrs.
 204  *  @hw: pointer to the HW structure
 205  **/
 206 static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 207 {
 208         struct e1000_hw *hw = &adapter->hw;
 209         struct e1000_mac_info *mac = &hw->mac;
 210         struct e1000_mac_operations *func = &mac->ops;
 211         u32 swsm = 0;
 212         u32 swsm2 = 0;
 213         bool force_clear_smbi = false;
 214
 215         /* Set media type */
 216         switch (adapter->pdev->device) {
 217         case E1000_DEV_ID_82571EB_FIBER:
 218         case E1000_DEV_ID_82572EI_FIBER:
 219         case E1000_DEV_ID_82571EB_QUAD_FIBER:
 220                 hw->phy.media_type = e1000_media_type_fiber;
 221                 break;
 222         case E1000_DEV_ID_82571EB_SERDES:
 223         case E1000_DEV_ID_82572EI_SERDES:
 224         case E1000_DEV_ID_82571EB_SERDES_DUAL:
 225         case E1000_DEV_ID_82571EB_SERDES_QUAD:
 226                 hw->phy.media_type = e1000_media_type_internal_serdes;
 227                 break;
 228         default:
 229                 hw->phy.media_type = e1000_media_type_copper;
 230                 break;
 231         }
 232
 233         /* Set mta register count */
 234         mac->mta_reg_count = 128;
 235         /* Set rar entry count */
 236         mac->rar_entry_count = E1000_RAR_ENTRIES;
 237         /* Set if manageability features are enabled. */
 238         mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
 239                         ? true : false;
 240         /* Adaptive IFS supported */
 241         mac->adaptive_ifs = true;
 242
 243         /* check for link */
 244         switch (hw->phy.media_type) {
 245         case e1000_media_type_copper:
 246                 func->setup_physical_interface = e1000_setup_copper_link_82571;
 247                 func->check_for_link = e1000e_check_for_copper_link;
 248                 func->get_link_up_info = e1000e_get_speed_and_duplex_copper;
 249                 break;
 250         case e1000_media_type_fiber:
 251                 func->setup_physical_interface =
 252                         e1000_setup_fiber_serdes_link_82571;
 253                 func->check_for_link = e1000e_check_for_fiber_link;
 254                 func->get_link_up_info =
 255                         e1000e_get_speed_and_duplex_fiber_serdes;
 256                 break;
 257         case e1000_media_type_internal_serdes:
 258                 func->setup_physical_interface =
 259                         e1000_setup_fiber_serdes_link_82571;
 260                 func->check_for_link = e1000_check_for_serdes_link_82571;
 261                 func->get_link_up_info =
 262                         e1000e_get_speed_and_duplex_fiber_serdes;
 263                 break;
 264         default:
 265                 return -E1000_ERR_CONFIG;
 266                 break;
 267         }
 268
 269         switch (hw->mac.type) {
 270         case e1000_82573:
 271                 func->set_lan_id = e1000_set_lan_id_single_port;
 272                 func->check_mng_mode = e1000e_check_mng_mode_generic;
 273                 func->led_on = e1000e_led_on_generic;
 274                 break;
 275         case e1000_82574:
 276         case e1000_82583:
 277                 func->set_lan_id = e1000_set_lan_id_single_port;
 278                 func->check_mng_mode = e1000_check_mng_mode_82574;
 279                 func->led_on = e1000_led_on_82574;
 280                 break;
 281         default:
 282                 func->check_mng_mode = e1000e_check_mng_mode_generic;
 283                 func->led_on = e1000e_led_on_generic;
 284                 break;
 285         }
 286
 287         /*
 288          * Ensure that the inter-port SWSM.SMBI lock bit is clear before
 289          * first NVM or PHY acess. This should be done for single-port
 290          * devices, and for one port only on dual-port devices so that
 291          * for those devices we can still use the SMBI lock to synchronize
 292          * inter-port accesses to the PHY & NVM.
 293          */
 294         switch (hw->mac.type) {
 295         case e1000_82571:
 296         case e1000_82572:
 297                 swsm2 = er32(SWSM2);
 298
 299                 if (!(swsm2 & E1000_SWSM2_LOCK)) {
 300                         /* Only do this for the first interface on this card */
 301                         ew32(SWSM2,
 302                             swsm2 | E1000_SWSM2_LOCK);
 303                         force_clear_smbi = true;
 304                 } else
 305                         force_clear_smbi = false;
 306                 break;
 307         default:
 308                 force_clear_smbi = true;
 309                 break;
 310         }
 311
 312         if (force_clear_smbi) {
 313                 /* Make sure SWSM.SMBI is clear */
 314                 swsm = er32(SWSM);
 315                 if (swsm & E1000_SWSM_SMBI) {
 316                         /* This bit should not be set on a first interface, and
 317                          * indicates that the bootagent or EFI code has
 318                          * improperly left this bit enabled
 319                          */
 320                         e_dbg("Please update your 82571 Bootagent\n");
 321                 }
 322                 ew32(SWSM, swsm & ~E1000_SWSM_SMBI);
 323         }
 324
 325         /*
 326          * Initialze device specific counter of SMBI acquisition
 327          * timeouts.
 328          */
 329          hw->dev_spec.e82571.smb_counter = 0;
 330
 331         return 0;
 332 }
 333
 334 static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
 335 {
 336         struct e1000_hw *hw = &adapter->hw;
 337         static int global_quad_port_a; /* global port a indication */
 338         struct pci_dev *pdev = adapter->pdev;
 339         u16 eeprom_data = 0;
 340         int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1;
 341         s32 rc;
 342
 343         rc = e1000_init_mac_params_82571(adapter);
 344         if (rc)
 345                 return rc;
 346
 347         rc = e1000_init_nvm_params_82571(hw);
 348         if (rc)
 349                 return rc;
 350
 351         rc = e1000_init_phy_params_82571(hw);
 352         if (rc)
 353                 return rc;
 354
 355         /* tag quad port adapters first, it's used below */
 356         switch (pdev->device) {
 357         case E1000_DEV_ID_82571EB_QUAD_COPPER:
 358         case E1000_DEV_ID_82571EB_QUAD_FIBER:
 359         case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
 360         case E1000_DEV_ID_82571PT_QUAD_COPPER:
 361                 adapter->flags |= FLAG_IS_QUAD_PORT;
 362                 /* mark the first port */
 363                 if (global_quad_port_a == 0)
 364                         adapter->flags |= FLAG_IS_QUAD_PORT_A;
 365                 /* Reset for multiple quad port adapters */
 366                 global_quad_port_a++;
 367                 if (global_quad_port_a == 4)
 368                         global_quad_port_a = 0;
 369                 break;
 370         default:
 371                 break;
 372         }
 373
 374         switch (adapter->hw.mac.type) {
 375         case e1000_82571:
 376                 /* these dual ports don't have WoL on port B at all */
 377                 if (((pdev->device == E1000_DEV_ID_82571EB_FIBER) ||
 378                      (pdev->device == E1000_DEV_ID_82571EB_SERDES) ||
 379                      (pdev->device == E1000_DEV_ID_82571EB_COPPER)) &&
 380                     (is_port_b))
 381                         adapter->flags &= ~FLAG_HAS_WOL;
 382                 /* quad ports only support WoL on port A */
 383                 if (adapter->flags & FLAG_IS_QUAD_PORT &&
 384                     (!(adapter->flags & FLAG_IS_QUAD_PORT_A)))
 385                         adapter->flags &= ~FLAG_HAS_WOL;
 386                 /* Does not support WoL on any port */
 387                 if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)
 388                         adapter->flags &= ~FLAG_HAS_WOL;
 389                 break;
 390
 391         case e1000_82573:
 392                 if (pdev->device == E1000_DEV_ID_82573L) {
 393                         if (e1000_read_nvm(&adapter->hw, NVM_INIT_3GIO_3, 1,
 394                                        &eeprom_data) < 0)
 395                                 break;
 396                         if (!(eeprom_data & NVM_WORD1A_ASPM_MASK)) {
 397                                 adapter->flags |= FLAG_HAS_JUMBO_FRAMES;
 398                                 adapter->max_hw_frame_size = DEFAULT_JUMBO;
 399                         }
 400                 }
 401                 break;
 402         default:
 403                 break;
 404         }
 405
 406         return 0;
 407 }
 408
 409 /**
 410  *  e1000_get_phy_id_82571 - Retrieve the PHY ID and revision
 411  *  @hw: pointer to the HW structure
 412  *
 413  *  Reads the PHY registers and stores the PHY ID and possibly the PHY
 414  *  revision in the hardware structure.
 415  **/
 416 static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
 417 {
 418         struct e1000_phy_info *phy = &hw->phy;
 419         s32 ret_val;
 420         u16 phy_id = 0;
 421
 422         switch (hw->mac.type) {
 423         case e1000_82571:
 424         case e1000_82572:
 425                 /*
 426                  * The 82571 firmware may still be configuring the PHY.
 427                  * In this case, we cannot access the PHY until the
 428                  * configuration is done.  So we explicitly set the
 429                  * PHY ID.
 430                  */
 431                 phy->id = IGP01E1000_I_PHY_ID;
 432                 break;
 433         case e1000_82573:
 434                 return e1000e_get_phy_id(hw);
 435                 break;
 436         case e1000_82574:
 437         case e1000_82583:
 438                 ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
 439                 if (ret_val)
 440                         return ret_val;
 441
 442                 phy->id = (u32)(phy_id << 16);
 443                 udelay(20);
 444                 ret_val = e1e_rphy(hw, PHY_ID2, &phy_id);
 445                 if (ret_val)
 446                         return ret_val;
 447
 448                 phy->id |= (u32)(phy_id);
 449                 phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
 450                 break;
 451         default:
 452                 return -E1000_ERR_PHY;
 453                 break;
 454         }
 455
 456         return 0;
 457 }
 458
 459 /**
 460  *  e1000_get_hw_semaphore_82571 - Acquire hardware semaphore
 461  *  @hw: pointer to the HW structure
 462  *
 463  *  Acquire the HW semaphore to access the PHY or NVM
 464  **/
 465 static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
 466 {
 467         u32 swsm;
 468         s32 sw_timeout = hw->nvm.word_size + 1;
 469         s32 fw_timeout = hw->nvm.word_size + 1;
 470         s32 i = 0;
 471
 472         /*
 473          * If we have timedout 3 times on trying to acquire
 474          * the inter-port SMBI semaphore, there is old code
 475          * operating on the other port, and it is not
 476          * releasing SMBI. Modify the number of times that
 477          * we try for the semaphore to interwork with this
 478          * older code.
 479          */
 480         if (hw->dev_spec.e82571.smb_counter > 2)
 481                 sw_timeout = 1;
 482
 483         /* Get the SW semaphore */
 484         while (i < sw_timeout) {
 485                 swsm = er32(SWSM);
 486                 if (!(swsm & E1000_SWSM_SMBI))
 487                         break;
 488
 489                 udelay(50);
 490                 i++;
 491         }
 492
 493         if (i == sw_timeout) {
 494                 e_dbg("Driver can't access device - SMBI bit is set.\n");
 495                 hw->dev_spec.e82571.smb_counter++;
 496         }
 497         /* Get the FW semaphore. */
 498         for (i = 0; i < fw_timeout; i++) {
 499                 swsm = er32(SWSM);
 500                 ew32(SWSM, swsm | E1000_SWSM_SWESMBI);
 501
 502                 /* Semaphore acquired if bit latched */
 503                 if (er32(SWSM) & E1000_SWSM_SWESMBI)
 504                         break;
 505
 506                 udelay(50);
 507         }
 508
 509         if (i == fw_timeout) {
 510                 /* Release semaphores */
 511                 e1000_put_hw_semaphore_82571(hw);
 512                 e_dbg("Driver can't access the NVM\n");
 513                 return -E1000_ERR_NVM;
 514         }
 515
 516         return 0;
 517 }
 518
 519 /**
 520  *  e1000_put_hw_semaphore_82571 - Release hardware semaphore
 521  *  @hw: pointer to the HW structure
 522  *
 523  *  Release hardware semaphore used to access the PHY or NVM
 524  **/
 525 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
 526 {
 527         u32 swsm;
 528
 529         swsm = er32(SWSM);
 530         swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
 531         ew32(SWSM, swsm);
 532 }
 533
 534 /**
 535  *  e1000_acquire_nvm_82571 - Request for access to the EEPROM
 536  *  @hw: pointer to the HW structure
 537  *
 538  *  To gain access to the EEPROM, first we must obtain a hardware semaphore.
 539  *  Then for non-82573 hardware, set the EEPROM access request bit and wait
 540  *  for EEPROM access grant bit.  If the access grant bit is not set, release
 541  *  hardware semaphore.
 542  **/
 543 static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw)
 544 {
 545         s32 ret_val;
 546
 547         ret_val = e1000_get_hw_semaphore_82571(hw);
 548         if (ret_val)
 549                 return ret_val;
 550
 551         switch (hw->mac.type) {
 552         case e1000_82573:
 553         case e1000_82574:
 554         case e1000_82583:
 555                 break;
 556         default:
 557                 ret_val = e1000e_acquire_nvm(hw);
 558                 break;
 559         }
 560
 561         if (ret_val)
 562                 e1000_put_hw_semaphore_82571(hw);
 563
 564         return ret_val;
 565 }
 566
 567 /**
 568  *  e1000_release_nvm_82571 - Release exclusive access to EEPROM
 569  *  @hw: pointer to the HW structure
 570  *
 571  *  Stop any current commands to the EEPROM and clear the EEPROM request bit.
 572  **/
 573 static void e1000_release_nvm_82571(struct e1000_hw *hw)
 574 {
 575         e1000e_release_nvm(hw);
 576         e1000_put_hw_semaphore_82571(hw);
 577 }
 578
 579 /**
 580  *  e1000_write_nvm_82571 - Write to EEPROM using appropriate interface
 581  *  @hw: pointer to the HW structure
 582  *  @offset: offset within the EEPROM to be written to
 583  *  @words: number of words to write
 584  *  @data: 16 bit word(s) to be written to the EEPROM
 585  *
 586  *  For non-82573 silicon, write data to EEPROM at offset using SPI interface.
 587  *
 588  *  If e1000e_update_nvm_checksum is not called after this function, the
 589  *  EEPROM will most likely contain an invalid checksum.
 590  **/
 591 static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words,
 592                                  u16 *data)
 593 {
 594         s32 ret_val;
 595
 596         switch (hw->mac.type) {
 597         case e1000_82573:
 598         case e1000_82574:
 599         case e1000_82583:
 600                 ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data);
 601                 break;
 602         case e1000_82571:
 603         case e1000_82572:
 604                 ret_val = e1000e_write_nvm_spi(hw, offset, words, data);
 605                 break;
 606         default:
 607                 ret_val = -E1000_ERR_NVM;
 608                 break;
 609         }
 610
 611         return ret_val;
 612 }
 613
 614 /**
 615  *  e1000_update_nvm_checksum_82571 - Update EEPROM checksum
 616  *  @hw: pointer to the HW structure
 617  *
 618  *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
 619  *  up to the checksum.  Then calculates the EEPROM checksum and writes the
 620  *  value to the EEPROM.
 621  **/
 622 static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw)
 623 {
 624         u32 eecd;
 625         s32 ret_val;
 626         u16 i;
 627
 628         ret_val = e1000e_update_nvm_checksum_generic(hw);
 629         if (ret_val)
 630                 return ret_val;
 631
 632         /*
 633          * If our nvm is an EEPROM, then we're done
 634          * otherwise, commit the checksum to the flash NVM.
 635          */
 636         if (hw->nvm.type != e1000_nvm_flash_hw)
 637                 return ret_val;
 638
 639         /* Check for pending operations. */
 640         for (i = 0; i < E1000_FLASH_UPDATES; i++) {
 641                 msleep(1);
 642                 if ((er32(EECD) & E1000_EECD_FLUPD) == 0)
 643                         break;
 644         }
 645
 646         if (i == E1000_FLASH_UPDATES)
 647                 return -E1000_ERR_NVM;
 648
 649         /* Reset the firmware if using STM opcode. */
 650         if ((er32(FLOP) & 0xFF00) == E1000_STM_OPCODE) {
 651                 /*
 652                  * The enabling of and the actual reset must be done
 653                  * in two write cycles.
 654                  */
 655                 ew32(HICR, E1000_HICR_FW_RESET_ENABLE);
 656                 e1e_flush();
 657                 ew32(HICR, E1000_HICR_FW_RESET);
 658         }
 659
 660         /* Commit the write to flash */
 661         eecd = er32(EECD) | E1000_EECD_FLUPD;
 662         ew32(EECD, eecd);
 663
 664         for (i = 0; i < E1000_FLASH_UPDATES; i++) {
 665                 msleep(1);
 666                 if ((er32(EECD) & E1000_EECD_FLUPD) == 0)
 667                         break;
 668         }
 669
 670         if (i == E1000_FLASH_UPDATES)
 671                 return -E1000_ERR_NVM;
 672
 673         return 0;
 674 }
 675
 676 /**
 677  *  e1000_validate_nvm_checksum_82571 - Validate EEPROM checksum
 678  *  @hw: pointer to the HW structure
 679  *
 680  *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
 681  *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
 682  **/
 683 static s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw)
 684 {
 685         if (hw->nvm.type == e1000_nvm_flash_hw)
 686                 e1000_fix_nvm_checksum_82571(hw);
 687
 688         return e1000e_validate_nvm_checksum_generic(hw);
 689 }
 690
 691 /**
 692  *  e1000_write_nvm_eewr_82571 - Write to EEPROM for 82573 silicon
 693  *  @hw: pointer to the HW structure
 694  *  @offset: offset within the EEPROM to be written to
 695  *  @words: number of words to write
 696  *  @data: 16 bit word(s) to be written to the EEPROM
 697  *
 698  *  After checking for invalid values, poll the EEPROM to ensure the previous
 699  *  command has completed before trying to write the next word.  After write
 700  *  poll for completion.
 701  *
 702  *  If e1000e_update_nvm_checksum is not called after this function, the
 703  *  EEPROM will most likely contain an invalid checksum.
 704  **/
 705 static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
 706                                       u16 words, u16 *data)
 707 {
 708         struct e1000_nvm_info *nvm = &hw->nvm;
 709         u32 i, eewr = 0;
 710         s32 ret_val = 0;
 711
 712         /*
 713          * A check for invalid values:  offset too large, too many words,
 714          * and not enough words.
 715          */
 716         if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
 717             (words == 0)) {
 718                 e_dbg("nvm parameter(s) out of bounds\n");
 719                 return -E1000_ERR_NVM;
 720         }
 721
 722         for (i = 0; i < words; i++) {
 723                 eewr = (data[i] << E1000_NVM_RW_REG_DATA) |
 724                        ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
 725                        E1000_NVM_RW_REG_START;
 726
 727                 ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
 728                 if (ret_val)
 729                         break;
 730
 731                 ew32(EEWR, eewr);
 732
 733                 ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
 734                 if (ret_val)
 735                         break;
 736         }
 737
 738         return ret_val;
 739 }
 740
 741 /**
 742  *  e1000_get_cfg_done_82571 - Poll for configuration done
 743  *  @hw: pointer to the HW structure
 744  *
 745  *  Reads the management control register for the config done bit to be set.
 746  **/
 747 static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
 748 {
 749         s32 timeout = PHY_CFG_TIMEOUT;
 750
 751         while (timeout) {
 752                 if (er32(EEMNGCTL) &
 753                     E1000_NVM_CFG_DONE_PORT_0)
 754                         break;
 755                 msleep(1);
 756                 timeout--;
 757         }
 758         if (!timeout) {
 759                 e_dbg("MNG configuration cycle has not completed.\n");
 760                 return -E1000_ERR_RESET;
 761         }
 762
 763         return 0;
 764 }
 765
 766 /**
 767  *  e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state
 768  *  @hw: pointer to the HW structure
 769  *  @active: true to enable LPLU, false to disable
 770  *
 771  *  Sets the LPLU D0 state according to the active flag.  When activating LPLU
 772  *  this function also disables smart speed and vice versa.  LPLU will not be
 773  *  activated unless the device autonegotiation advertisement meets standards
 774  *  of either 10 or 10/100 or 10/100/1000 at all duplexes.  This is a function
 775  *  pointer entry point only called by PHY setup routines.
 776  **/
 777 static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
 778 {
 779         struct e1000_phy_info *phy = &hw->phy;
 780         s32 ret_val;
 781         u16 data;
 782
 783         ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data);
 784         if (ret_val)
 785                 return ret_val;
 786
 787         if (active) {
 788                 data |= IGP02E1000_PM_D0_LPLU;
 789                 ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
 790                 if (ret_val)
 791                         return ret_val;
 792
 793                 /* When LPLU is enabled, we should disable SmartSpeed */
 794                 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
 795                 data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 796                 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
 797                 if (ret_val)
 798                         return ret_val;
 799         } else {
 800                 data &= ~IGP02E1000_PM_D0_LPLU;
 801                 ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data);
 802                 /*
 803                  * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
 804                  * during Dx states where the power conservation is most
 805                  * important.  During driver activity we should enable
 806                  * SmartSpeed, so performance is maintained.
 807                  */
 808                 if (phy->smart_speed == e1000_smart_speed_on) {
 809                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 810                                            &data);
 811                         if (ret_val)
 812                                 return ret_val;
 813
 814                         data |= IGP01E1000_PSCFR_SMART_SPEED;
 815                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 816                                            data);
 817                         if (ret_val)
 818                                 return ret_val;
 819                 } else if (phy->smart_speed == e1000_smart_speed_off) {
 820                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 821                                            &data);
 822                         if (ret_val)
 823                                 return ret_val;
 824
 825                         data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 826                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 827                                            data);
 828                         if (ret_val)
 829                                 return ret_val;
 830                 }
 831         }
 832
 833         return 0;
 834 }
 835
 836 /**
 837  *  e1000_reset_hw_82571 - Reset hardware
 838  *  @hw: pointer to the HW structure
 839  *
 840  *  This resets the hardware into a known state.
 841  **/
 842 static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 843 {
 844         u32 ctrl, extcnf_ctrl, ctrl_ext, icr;
 845         s32 ret_val;
 846         u16 i = 0;
 847
 848         /*
 849          * Prevent the PCI-E bus from sticking if there is no TLP connection
 850          * on the last TLP read/write transaction when MAC is reset.
 851          */
 852         ret_val = e1000e_disable_pcie_master(hw);
 853         if (ret_val)
 854                 e_dbg("PCI-E Master disable polling has failed.\n");
 855
 856         e_dbg("Masking off all interrupts\n");
 857         ew32(IMC, 0xffffffff);
 858
 859         ew32(RCTL, 0);
 860         ew32(TCTL, E1000_TCTL_PSP);
 861         e1e_flush();
 862
 863         msleep(10);
 864
 865         /*
 866          * Must acquire the MDIO ownership before MAC reset.
 867          * Ownership defaults to firmware after a reset.
 868          */
 869         switch (hw->mac.type) {
 870         case e1000_82573:
 871         case e1000_82574:
 872         case e1000_82583:
 873                 extcnf_ctrl = er32(EXTCNF_CTRL);
 874                 extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
 875
 876                 do {
 877                         ew32(EXTCNF_CTRL, extcnf_ctrl);
 878                         extcnf_ctrl = er32(EXTCNF_CTRL);
 879
 880                         if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
 881                                 break;
 882
 883                         extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
 884
 885                         msleep(2);
 886                         i++;
 887                 } while (i < MDIO_OWNERSHIP_TIMEOUT);
 888                 break;
 889         default:
 890                 break;
 891         }
 892
 893         ctrl = er32(CTRL);
 894
 895         e_dbg("Issuing a global reset to MAC\n");
 896         ew32(CTRL, ctrl | E1000_CTRL_RST);
 897
 898         if (hw->nvm.type == e1000_nvm_flash_hw) {
 899                 udelay(10);
 900                 ctrl_ext = er32(CTRL_EXT);
 901                 ctrl_ext |= E1000_CTRL_EXT_EE_RST;
 902                 ew32(CTRL_EXT, ctrl_ext);
 903                 e1e_flush();
 904         }
 905
 906         ret_val = e1000e_get_auto_rd_done(hw);
 907         if (ret_val)
 908                 /* We don't want to continue accessing MAC registers. */
 909                 return ret_val;
 910
 911         /*
 912          * Phy configuration from NVM just starts after EECD_AUTO_RD is set.
 913          * Need to wait for Phy configuration completion before accessing
 914          * NVM and Phy.
 915          */
 916
 917         switch (hw->mac.type) {
 918         case e1000_82573:
 919         case e1000_82574:
 920         case e1000_82583:
 921                 msleep(25);
 922                 break;
 923         default:
 924                 break;
 925         }
 926
 927         /* Clear any pending interrupt events. */
 928         ew32(IMC, 0xffffffff);
 929         icr = er32(ICR);
 930
 931         /* Install any alternate MAC address into RAR0 */
 932         ret_val = e1000_check_alt_mac_addr_generic(hw);
 933         if (ret_val)
 934                 return ret_val;
 935
 936         e1000e_set_laa_state_82571(hw, true);
 937
 938         /* Reinitialize the 82571 serdes link state machine */
 939         if (hw->phy.media_type == e1000_media_type_internal_serdes)
 940                 hw->mac.serdes_link_state = e1000_serdes_link_down;
 941
 942         return 0;
 943 }
 944
 945 /**
 946  *  e1000_init_hw_82571 - Initialize hardware
 947  *  @hw: pointer to the HW structure
 948  *
 949  *  This inits the hardware readying it for operation.
 950  **/
 951 static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 952 {
 953         struct e1000_mac_info *mac = &hw->mac;
 954         u32 reg_data;
 955         s32 ret_val;
 956         u16 i, rar_count = mac->rar_entry_count;
 957
 958         e1000_initialize_hw_bits_82571(hw);
 959
 960         /* Initialize identification LED */
 961         ret_val = e1000e_id_led_init(hw);
 962         if (ret_val)
 963                 e_dbg("Error initializing identification LED\n");
 964                 /* This is not fatal and we should not stop init due to this */
 965
 966         /* Disabling VLAN filtering */
 967         e_dbg("Initializing the IEEE VLAN\n");
 968         mac->ops.clear_vfta(hw);
 969
 970         /* Setup the receive address. */
 971         /*
 972          * If, however, a locally administered address was assigned to the
 973          * 82571, we must reserve a RAR for it to work around an issue where
 974          * resetting one port will reload the MAC on the other port.
 975          */
 976         if (e1000e_get_laa_state_82571(hw))
 977                 rar_count--;
 978         e1000e_init_rx_addrs(hw, rar_count);
 979
 980         /* Zero out the Multicast HASH table */
 981         e_dbg("Zeroing the MTA\n");
 982         for (i = 0; i < mac->mta_reg_count; i++)
 983                 E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
 984
 985         /* Setup link and flow control */
 986         ret_val = e1000_setup_link_82571(hw);
 987
 988         /* Set the transmit descriptor write-back policy */
 989         reg_data = er32(TXDCTL(0));
 990         reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
 991                    E1000_TXDCTL_FULL_TX_DESC_WB |
 992                    E1000_TXDCTL_COUNT_DESC;
 993         ew32(TXDCTL(0), reg_data);
 994
 995         /* ...for both queues. */
 996         switch (mac->type) {
 997         case e1000_82573:
 998         case e1000_82574:
 999         case e1000_82583:
1000                 e1000e_enable_tx_pkt_filtering(hw);
1001                 reg_data = er32(GCR);
1002                 reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
1003                 ew32(GCR, reg_data);
1004                 break;
1005         default:
1006                 reg_data = er32(TXDCTL(1));
1007                 reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
1008                            E1000_TXDCTL_FULL_TX_DESC_WB |
1009                            E1000_TXDCTL_COUNT_DESC;
1010                 ew32(TXDCTL(1), reg_data);
1011                 break;
1012         }
1013
1014         /*
1015          * Clear all of the statistics registers (clear on read).  It is
1016          * important that we do this after we have tried to establish link
1017          * because the symbol error count will increment wildly if there
1018          * is no link.
1019          */
1020         e1000_clear_hw_cntrs_82571(hw);
1021
1022         return ret_val;
1023 }
1024
1025 /**
1026  *  e1000_initialize_hw_bits_82571 - Initialize hardware-dependent bits
1027  *  @hw: pointer to the HW structure
1028  *
1029  *  Initializes required hardware-dependent bits needed for normal operation.
1030  **/
1031 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
1032 {
1033         u32 reg;
1034
1035         /* Transmit Descriptor Control 0 */
1036         reg = er32(TXDCTL(0));
1037         reg |= (1 << 22);
1038         ew32(TXDCTL(0), reg);
1039
1040         /* Transmit Descriptor Control 1 */
1041         reg = er32(TXDCTL(1));
1042         reg |= (1 << 22);
1043         ew32(TXDCTL(1), reg);
1044
1045         /* Transmit Arbitration Control 0 */
1046         reg = er32(TARC(0));
1047         reg &= ~(0xF << 27); /* 30:27 */
1048         switch (hw->mac.type) {
1049         case e1000_82571:
1050         case e1000_82572:
1051                 reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26);
1052                 break;
1053         default:
1054                 break;
1055         }
1056         ew32(TARC(0), reg);
1057
1058         /* Transmit Arbitration Control 1 */
1059         reg = er32(TARC(1));
1060         switch (hw->mac.type) {
1061         case e1000_82571:
1062         case e1000_82572:
1063                 reg &= ~((1 << 29) | (1 << 30));
1064                 reg |= (1 << 22) | (1 << 24) | (1 << 25) | (1 << 26);
1065                 if (er32(TCTL) & E1000_TCTL_MULR)
1066                         reg &= ~(1 << 28);
1067                 else
1068                         reg |= (1 << 28);
1069                 ew32(TARC(1), reg);
1070                 break;
1071         default:
1072                 break;
1073         }
1074
1075         /* Device Control */
1076         switch (hw->mac.type) {
1077         case e1000_82573:
1078         case e1000_82574:
1079         case e1000_82583:
1080                 reg = er32(CTRL);
1081                 reg &= ~(1 << 29);
1082                 ew32(CTRL, reg);
1083                 break;
1084         default:
1085                 break;
1086         }
1087
1088         /* Extended Device Control */
1089         switch (hw->mac.type) {
1090         case e1000_82573:
1091         case e1000_82574:
1092         case e1000_82583:
1093                 reg = er32(CTRL_EXT);
1094                 reg &= ~(1 << 23);
1095                 reg |= (1 << 22);
1096                 ew32(CTRL_EXT, reg);
1097                 break;
1098         default:
1099                 break;
1100         }
1101
1102         if (hw->mac.type == e1000_82571) {
1103                 reg = er32(PBA_ECC);
1104                 reg |= E1000_PBA_ECC_CORR_EN;
1105                 ew32(PBA_ECC, reg);
1106         }
1107         /*
1108          * Workaround for hardware errata.
1109          * Ensure that DMA Dynamic Clock gating is disabled on 82571 and 82572
1110          */
1111
1112         if ((hw->mac.type == e1000_82571) ||
1113            (hw->mac.type == e1000_82572)) {
1114                 reg = er32(CTRL_EXT);
1115                 reg &= ~E1000_CTRL_EXT_DMA_DYN_CLK_EN;
1116                 ew32(CTRL_EXT, reg);
1117         }
1118
1119
1120         /* PCI-Ex Control Registers */
1121         switch (hw->mac.type) {
1122         case e1000_82574:
1123         case e1000_82583:
1124                 reg = er32(GCR);
1125                 reg |= (1 << 22);
1126                 ew32(GCR, reg);
1127
1128                 /*
1129                  * Workaround for hardware errata.
1130                  * apply workaround for hardware errata documented in errata
1131                  * docs Fixes issue where some error prone or unreliable PCIe
1132                  * completions are occurring, particularly with ASPM enabled.
1133                  * Without fix, issue can cause tx timeouts.
1134                  */
1135                 reg = er32(GCR2);
1136                 reg |= 1;
1137                 ew32(GCR2, reg);
1138                 break;
1139         default:
1140                 break;
1141         }
1142
1143         return;
1144 }
1145
1146 /**
1147  *  e1000_clear_vfta_82571 - Clear VLAN filter table
1148  *  @hw: pointer to the HW structure
1149  *
1150  *  Clears the register array which contains the VLAN filter table by
1151  *  setting all the values to 0.
1152  **/
1153 static void e1000_clear_vfta_82571(struct e1000_hw *hw)
1154 {
1155         u32 offset;
1156         u32 vfta_value = 0;
1157         u32 vfta_offset = 0;
1158         u32 vfta_bit_in_reg = 0;
1159
1160         switch (hw->mac.type) {
1161         case e1000_82573:
1162         case e1000_82574:
1163         case e1000_82583:
1164                 if (hw->mng_cookie.vlan_id != 0) {
1165                         /*
1166                          * The VFTA is a 4096b bit-field, each identifying
1167                          * a single VLAN ID.  The following operations
1168                          * determine which 32b entry (i.e. offset) into the
1169                          * array we want to set the VLAN ID (i.e. bit) of
1170                          * the manageability unit.
1171                          */
1172                         vfta_offset = (hw->mng_cookie.vlan_id >>
1173                                        E1000_VFTA_ENTRY_SHIFT) &
1174                                       E1000_VFTA_ENTRY_MASK;
1175                         vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
1176                                                E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
1177                 }
1178                 break;
1179         default:
1180                 break;
1181         }
1182         for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
1183                 /*
1184                  * If the offset we want to clear is the same offset of the
1185                  * manageability VLAN ID, then clear all bits except that of
1186                  * the manageability unit.
1187                  */
1188                 vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
1189                 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, vfta_value);
1190                 e1e_flush();
1191         }
1192 }
1193
1194 /**
1195  *  e1000_check_mng_mode_82574 - Check manageability is enabled
1196  *  @hw: pointer to the HW structure
1197  *
1198  *  Reads the NVM Initialization Control Word 2 and returns true
1199  *  (>0) if any manageability is enabled, else false (0).
1200  **/
1201 static bool e1000_check_mng_mode_82574(struct e1000_hw *hw)
1202 {
1203         u16 data;
1204
1205         e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
1206         return (data & E1000_NVM_INIT_CTRL2_MNGM) != 0;
1207 }
1208
1209 /**
1210  *  e1000_led_on_82574 - Turn LED on
1211  *  @hw: pointer to the HW structure
1212  *
1213  *  Turn LED on.
1214  **/
1215 static s32 e1000_led_on_82574(struct e1000_hw *hw)
1216 {
1217         u32 ctrl;
1218         u32 i;
1219
1220         ctrl = hw->mac.ledctl_mode2;
1221         if (!(E1000_STATUS_LU & er32(STATUS))) {
1222                 /*
1223                  * If no link, then turn LED on by setting the invert bit
1224                  * for each LED that's "on" (0x0E) in ledctl_mode2.
1225                  */
1226                 for (i = 0; i < 4; i++)
1227                         if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) ==
1228                             E1000_LEDCTL_MODE_LED_ON)
1229                                 ctrl |= (E1000_LEDCTL_LED0_IVRT << (i * 8));
1230         }
1231         ew32(LEDCTL, ctrl);
1232
1233         return 0;
1234 }
1235
1236 /**
1237  *  e1000_update_mc_addr_list_82571 - Update Multicast addresses
1238  *  @hw: pointer to the HW structure
1239  *  @mc_addr_list: array of multicast addresses to program
1240  *  @mc_addr_count: number of multicast addresses to program
1241  *  @rar_used_count: the first RAR register free to program
1242  *  @rar_count: total number of supported Receive Address Registers
1243  *
1244  *  Updates the Receive Address Registers and Multicast Table Array.
1245  *  The caller must have a packed mc_addr_list of multicast addresses.
1246  *  The parameter rar_count will usually be hw->mac.rar_entry_count
1247  *  unless there are workarounds that change this.
1248  **/
1249 static void e1000_update_mc_addr_list_82571(struct e1000_hw *hw,
1250                                             u8 *mc_addr_list,
1251                                             u32 mc_addr_count,
1252                                             u32 rar_used_count,
1253                                             u32 rar_count)
1254 {
1255         if (e1000e_get_laa_state_82571(hw))
1256                 rar_count--;
1257
1258         e1000e_update_mc_addr_list_generic(hw, mc_addr_list, mc_addr_count,
1259                                            rar_used_count, rar_count);
1260 }
1261
1262 /**
1263  *  e1000_setup_link_82571 - Setup flow control and link settings
1264  *  @hw: pointer to the HW structure
1265  *
1266  *  Determines which flow control settings to use, then configures flow
1267  *  control.  Calls the appropriate media-specific link configuration
1268  *  function.  Assuming the adapter has a valid link partner, a valid link
1269  *  should be established.  Assumes the hardware has previously been reset
1270  *  and the transmitter and receiver are not enabled.
1271  **/
1272 static s32 e1000_setup_link_82571(struct e1000_hw *hw)
1273 {
1274         /*
1275          * 82573 does not have a word in the NVM to determine
1276          * the default flow control setting, so we explicitly
1277          * set it to full.
1278          */
1279         switch (hw->mac.type) {
1280         case e1000_82573:
1281         case e1000_82574:
1282         case e1000_82583:
1283                 if (hw->fc.requested_mode == e1000_fc_default)
1284                         hw->fc.requested_mode = e1000_fc_full;
1285                 break;
1286         default:
1287                 break;
1288         }
1289
1290         return e1000e_setup_link(hw);
1291 }
1292
1293 /**
1294  *  e1000_setup_copper_link_82571 - Configure copper link settings
1295  *  @hw: pointer to the HW structure
1296  *
1297  *  Configures the link for auto-neg or forced speed and duplex.  Then we check
1298  *  for link, once link is established calls to configure collision distance
1299  *  and flow control are called.
1300  **/
1301 static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw)
1302 {
1303         u32 ctrl;
1304         s32 ret_val;
1305
1306         ctrl = er32(CTRL);
1307         ctrl |= E1000_CTRL_SLU;
1308         ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
1309         ew32(CTRL, ctrl);
1310
1311         switch (hw->phy.type) {
1312         case e1000_phy_m88:
1313         case e1000_phy_bm:
1314                 ret_val = e1000e_copper_link_setup_m88(hw);
1315                 break;
1316         case e1000_phy_igp_2:
1317                 ret_val = e1000e_copper_link_setup_igp(hw);
1318                 break;
1319         default:
1320                 return -E1000_ERR_PHY;
1321                 break;
1322         }
1323
1324         if (ret_val)
1325                 return ret_val;
1326
1327         ret_val = e1000e_setup_copper_link(hw);
1328
1329         return ret_val;
1330 }
1331
1332 /**
1333  *  e1000_setup_fiber_serdes_link_82571 - Setup link for fiber/serdes
1334  *  @hw: pointer to the HW structure
1335  *
1336  *  Configures collision distance and flow control for fiber and serdes links.
1337  *  Upon successful setup, poll for link.
1338  **/
1339 static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw)
1340 {
1341         switch (hw->mac.type) {
1342         case e1000_82571:
1343         case e1000_82572:
1344                 /*
1345                  * If SerDes loopback mode is entered, there is no form
1346                  * of reset to take the adapter out of that mode.  So we
1347                  * have to explicitly take the adapter out of loopback
1348                  * mode.  This prevents drivers from twiddling their thumbs
1349                  * if another tool failed to take it out of loopback mode.
1350                  */
1351                 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1352                 break;
1353         default:
1354                 break;
1355         }
1356
1357         return e1000e_setup_fiber_serdes_link(hw);
1358 }
1359
1360 /**
1361  *  e1000_check_for_serdes_link_82571 - Check for link (Serdes)
1362  *  @hw: pointer to the HW structure
1363  *
1364  *  Reports the link state as up or down.
1365  *
1366  *  If autonegotiation is supported by the link partner, the link state is
1367  *  determined by the result of autonegotiation. This is the most likely case.
1368  *  If autonegotiation is not supported by the link partner, and the link
1369  *  has a valid signal, force the link up.
1370  *
1371  *  The link state is represented internally here by 4 states:
1372  *
1373  *  1) down
1374  *  2) autoneg_progress
1375  *  3) autoneg_complete (the link sucessfully autonegotiated)
1376  *  4) forced_up (the link has been forced up, it did not autonegotiate)
1377  *
1378  **/
1379 static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
1380 {
1381         struct e1000_mac_info *mac = &hw->mac;
1382         u32 rxcw;
1383         u32 ctrl;
1384         u32 status;
1385         s32 ret_val = 0;
1386
1387         ctrl = er32(CTRL);
1388         status = er32(STATUS);
1389         rxcw = er32(RXCW);
1390
1391         if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) {
1392
1393                 /* Receiver is synchronized with no invalid bits.  */
1394                 switch (mac->serdes_link_state) {
1395                 case e1000_serdes_link_autoneg_complete:
1396                         if (!(status & E1000_STATUS_LU)) {
1397                                 /*
1398                                  * We have lost link, retry autoneg before
1399                                  * reporting link failure
1400                                  */
1401                                 mac->serdes_link_state =
1402                                     e1000_serdes_link_autoneg_progress;
1403                                 mac->serdes_has_link = false;
1404                                 e_dbg("AN_UP     -> AN_PROG\n");
1405                         }
1406                 break;
1407
1408                 case e1000_serdes_link_forced_up:
1409                         /*
1410                          * If we are receiving /C/ ordered sets, re-enable
1411                          * auto-negotiation in the TXCW register and disable
1412                          * forced link in the Device Control register in an
1413                          * attempt to auto-negotiate with our link partner.
1414                          */
1415                         if (rxcw & E1000_RXCW_C) {
1416                                 /* Enable autoneg, and unforce link up */
1417                                 ew32(TXCW, mac->txcw);
1418                                 ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
1419                                 mac->serdes_link_state =
1420                                     e1000_serdes_link_autoneg_progress;
1421                                 mac->serdes_has_link = false;
1422                                 e_dbg("FORCED_UP -> AN_PROG\n");
1423                         }
1424                         break;
1425
1426                 case e1000_serdes_link_autoneg_progress:
1427                         if (rxcw & E1000_RXCW_C) {
1428                                 /*
1429                                  * We received /C/ ordered sets, meaning the
1430                                  * link partner has autonegotiated, and we can
1431                                  * trust the Link Up (LU) status bit.
1432                                  */
1433                                 if (status & E1000_STATUS_LU) {
1434                                         mac->serdes_link_state =
1435                                             e1000_serdes_link_autoneg_complete;
1436                                         e_dbg("AN_PROG   -> AN_UP\n");
1437                                         mac->serdes_has_link = true;
1438                                 } else {
1439                                         /* Autoneg completed, but failed. */
1440                                         mac->serdes_link_state =
1441                                             e1000_serdes_link_down;
1442                                         e_dbg("AN_PROG   -> DOWN\n");
1443                                 }
1444                         } else {
1445                                 /*
1446                                  * The link partner did not autoneg.
1447                                  * Force link up and full duplex, and change
1448                                  * state to forced.
1449                                  */
1450                                 ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
1451                                 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
1452                                 ew32(CTRL, ctrl);
1453
1454                                 /* Configure Flow Control after link up. */
1455                                 ret_val = e1000e_config_fc_after_link_up(hw);
1456                                 if (ret_val) {
1457                                         e_dbg("Error config flow control\n");
1458                                         break;
1459                                 }
1460                                 mac->serdes_link_state =
1461                                     e1000_serdes_link_forced_up;
1462                                 mac->serdes_has_link = true;
1463                                 e_dbg("AN_PROG   -> FORCED_UP\n");
1464                         }
1465                         break;
1466
1467                 case e1000_serdes_link_down:
1468                 default:
1469                         /*
1470                          * The link was down but the receiver has now gained
1471                          * valid sync, so lets see if we can bring the link
1472                          * up.
1473                          */
1474                         ew32(TXCW, mac->txcw);
1475                         ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
1476                         mac->serdes_link_state =
1477                             e1000_serdes_link_autoneg_progress;
1478                         e_dbg("DOWN      -> AN_PROG\n");
1479                         break;
1480                 }
1481         } else {
1482                 if (!(rxcw & E1000_RXCW_SYNCH)) {
1483                         mac->serdes_has_link = false;
1484                         mac->serdes_link_state = e1000_serdes_link_down;
1485                         e_dbg("ANYSTATE  -> DOWN\n");
1486                 } else {
1487                         /*
1488                          * We have sync, and can tolerate one invalid (IV)
1489                          * codeword before declaring link down, so reread
1490                          * to look again.
1491                          */
1492                         udelay(10);
1493                         rxcw = er32(RXCW);
1494                         if (rxcw & E1000_RXCW_IV) {
1495                                 mac->serdes_link_state = e1000_serdes_link_down;
1496                                 mac->serdes_has_link = false;
1497                                 e_dbg("ANYSTATE  -> DOWN\n");
1498                         }
1499                 }
1500         }
1501
1502         return ret_val;
1503 }
1504
1505 /**
1506  *  e1000_valid_led_default_82571 - Verify a valid default LED config
1507  *  @hw: pointer to the HW structure
1508  *  @data: pointer to the NVM (EEPROM)
1509  *
1510  *  Read the EEPROM for the current default LED configuration.  If the
1511  *  LED configuration is not valid, set to a valid LED configuration.
1512  **/
1513 static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
1514 {
1515         s32 ret_val;
1516
1517         ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
1518         if (ret_val) {
1519                 e_dbg("NVM Read Error\n");
1520                 return ret_val;
1521         }
1522
1523         switch (hw->mac.type) {
1524         case e1000_82573:
1525         case e1000_82574:
1526         case e1000_82583:
1527                 if (*data == ID_LED_RESERVED_F746)
1528                         *data = ID_LED_DEFAULT_82573;
1529                 break;
1530         default:
1531                 if (*data == ID_LED_RESERVED_0000 ||
1532                     *data == ID_LED_RESERVED_FFFF)
1533                         *data = ID_LED_DEFAULT;
1534                 break;
1535         }
1536
1537         return 0;
1538 }
1539
1540 /**
1541  *  e1000e_get_laa_state_82571 - Get locally administered address state
1542  *  @hw: pointer to the HW structure
1543  *
1544  *  Retrieve and return the current locally administered address state.
1545  **/
1546 bool e1000e_get_laa_state_82571(struct e1000_hw *hw)
1547 {
1548         if (hw->mac.type != e1000_82571)
1549                 return false;
1550
1551         return hw->dev_spec.e82571.laa_is_present;
1552 }
1553
1554 /**
1555  *  e1000e_set_laa_state_82571 - Set locally administered address state
1556  *  @hw: pointer to the HW structure
1557  *  @state: enable/disable locally administered address
1558  *
1559  *  Enable/Disable the current locally administered address state.
1560  **/
1561 void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state)
1562 {
1563         if (hw->mac.type != e1000_82571)
1564                 return;
1565
1566         hw->dev_spec.e82571.laa_is_present = state;
1567
1568         /* If workaround is activated... */
1569         if (state)
1570                 /*
1571                  * Hold a copy of the LAA in RAR[14] This is done so that
1572                  * between the time RAR[0] gets clobbered and the time it
1573                  * gets fixed, the actual LAA is in one of the RARs and no
1574                  * incoming packets directed to this port are dropped.
1575                  * Eventually the LAA will be in RAR[0] and RAR[14].
1576                  */
1577                 e1000e_rar_set(hw, hw->mac.addr, hw->mac.rar_entry_count - 1);
1578 }
1579
1580 /**
1581  *  e1000_fix_nvm_checksum_82571 - Fix EEPROM checksum
1582  *  @hw: pointer to the HW structure
1583  *
1584  *  Verifies that the EEPROM has completed the update.  After updating the
1585  *  EEPROM, we need to check bit 15 in work 0x23 for the checksum fix.  If
1586  *  the checksum fix is not implemented, we need to set the bit and update
1587  *  the checksum.  Otherwise, if bit 15 is set and the checksum is incorrect,
1588  *  we need to return bad checksum.
1589  **/
1590 static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
1591 {
1592         struct e1000_nvm_info *nvm = &hw->nvm;
1593         s32 ret_val;
1594         u16 data;
1595
1596         if (nvm->type != e1000_nvm_flash_hw)
1597                 return 0;
1598
1599         /*
1600          * Check bit 4 of word 10h.  If it is 0, firmware is done updating
1601          * 10h-12h.  Checksum may need to be fixed.
1602          */
1603         ret_val = e1000_read_nvm(hw, 0x10, 1, &data);
1604         if (ret_val)
1605                 return ret_val;
1606
1607         if (!(data & 0x10)) {
1608                 /*
1609                  * Read 0x23 and check bit 15.  This bit is a 1
1610                  * when the checksum has already been fixed.  If
1611                  * the checksum is still wrong and this bit is a
1612                  * 1, we need to return bad checksum.  Otherwise,
1613                  * we need to set this bit to a 1 and update the
1614                  * checksum.
1615                  */
1616                 ret_val = e1000_read_nvm(hw, 0x23, 1, &data);
1617                 if (ret_val)
1618                         return ret_val;
1619
1620                 if (!(data & 0x8000)) {
1621                         data |= 0x8000;
1622                         ret_val = e1000_write_nvm(hw, 0x23, 1, &data);
1623                         if (ret_val)
1624                                 return ret_val;
1625                         ret_val = e1000e_update_nvm_checksum(hw);
1626                 }
1627         }
1628
1629         return 0;
1630 }
1631
1632 /**
1633  *  e1000_read_mac_addr_82571 - Read device MAC address
1634  *  @hw: pointer to the HW structure
1635  **/
1636 static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
1637 {
1638         s32 ret_val = 0;
1639
1640         /*
1641          * If there's an alternate MAC address place it in RAR0
1642          * so that it will override the Si installed default perm
1643          * address.
1644          */
1645         ret_val = e1000_check_alt_mac_addr_generic(hw);
1646         if (ret_val)
1647                 goto out;
1648
1649         ret_val = e1000_read_mac_addr_generic(hw);
1650
1651 out:
1652         return ret_val;
1653 }
1654
1655 /**
1656  * e1000_power_down_phy_copper_82571 - Remove link during PHY power down
1657  * @hw: pointer to the HW structure
1658  *
1659  * In the case of a PHY power down to save power, or to turn off link during a
1660  * driver unload, or wake on lan is not enabled, remove the link.
1661  **/
1662 static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw)
1663 {
1664         struct e1000_phy_info *phy = &hw->phy;
1665         struct e1000_mac_info *mac = &hw->mac;
1666
1667         if (!(phy->ops.check_reset_block))
1668                 return;
1669
1670         /* If the management interface is not enabled, then power down */
1671         if (!(mac->ops.check_mng_mode(hw) || phy->ops.check_reset_block(hw)))
1672                 e1000_power_down_phy_copper(hw);
1673
1674         return;
1675 }
1676
1677 /**
1678  *  e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters
1679  *  @hw: pointer to the HW structure
1680  *
1681  *  Clears the hardware counters by reading the counter registers.
1682  **/
1683 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
1684 {
1685         e1000e_clear_hw_cntrs_base(hw);
1686
1687         er32(PRC64);
1688         er32(PRC127);
1689         er32(PRC255);
1690         er32(PRC511);
1691         er32(PRC1023);
1692         er32(PRC1522);
1693         er32(PTC64);
1694         er32(PTC127);
1695         er32(PTC255);
1696         er32(PTC511);
1697         er32(PTC1023);
1698         er32(PTC1522);
1699
1700         er32(ALGNERRC);
1701         er32(RXERRC);
1702         er32(TNCRS);
1703         er32(CEXTERR);
1704         er32(TSCTC);
1705         er32(TSCTFC);
1706
1707         er32(MGTPRC);
1708         er32(MGTPDC);
1709         er32(MGTPTC);
1710
1711         er32(IAC);
1712         er32(ICRXOC);
1713
1714         er32(ICRXPTC);
1715         er32(ICRXATC);
1716         er32(ICTXPTC);
1717         er32(ICTXATC);
1718         er32(ICTXQEC);
1719         er32(ICTXQMTC);
1720         er32(ICRXDMTC);
1721 }
1722
1723 static struct e1000_mac_operations e82571_mac_ops = {
1724         /* .check_mng_mode: mac type dependent */
1725         /* .check_for_link: media type dependent */
1726         .id_led_init            = e1000e_id_led_init,
1727         .cleanup_led            = e1000e_cleanup_led_generic,
1728         .clear_hw_cntrs         = e1000_clear_hw_cntrs_82571,
1729         .get_bus_info           = e1000e_get_bus_info_pcie,
1730         .set_lan_id             = e1000_set_lan_id_multi_port_pcie,
1731         /* .get_link_up_info: media type dependent */
1732         /* .led_on: mac type dependent */
1733         .led_off                = e1000e_led_off_generic,
1734         .update_mc_addr_list    = e1000_update_mc_addr_list_82571,
1735         .write_vfta             = e1000_write_vfta_generic,
1736         .clear_vfta             = e1000_clear_vfta_82571,
1737         .reset_hw               = e1000_reset_hw_82571,
1738         .init_hw                = e1000_init_hw_82571,
1739         .setup_link             = e1000_setup_link_82571,
1740         /* .setup_physical_interface: media type dependent */
1741         .setup_led              = e1000e_setup_led_generic,
1742         .read_mac_addr          = e1000_read_mac_addr_82571,
1743 };
1744
1745 static struct e1000_phy_operations e82_phy_ops_igp = {
1746         .acquire                = e1000_get_hw_semaphore_82571,
1747         .check_polarity         = e1000_check_polarity_igp,
1748         .check_reset_block      = e1000e_check_reset_block_generic,
1749         .commit                 = NULL,
1750         .force_speed_duplex     = e1000e_phy_force_speed_duplex_igp,
1751         .get_cfg_done           = e1000_get_cfg_done_82571,
1752         .get_cable_length       = e1000e_get_cable_length_igp_2,
1753         .get_info               = e1000e_get_phy_info_igp,
1754         .read_reg               = e1000e_read_phy_reg_igp,
1755         .release                = e1000_put_hw_semaphore_82571,
1756         .reset                  = e1000e_phy_hw_reset_generic,
1757         .set_d0_lplu_state      = e1000_set_d0_lplu_state_82571,
1758         .set_d3_lplu_state      = e1000e_set_d3_lplu_state,
1759         .write_reg              = e1000e_write_phy_reg_igp,
1760         .cfg_on_link_up         = NULL,
1761 };
1762
1763 static struct e1000_phy_operations e82_phy_ops_m88 = {
1764         .acquire                = e1000_get_hw_semaphore_82571,
1765         .check_polarity         = e1000_check_polarity_m88,
1766         .check_reset_block      = e1000e_check_reset_block_generic,
1767         .commit                 = e1000e_phy_sw_reset,
1768         .force_speed_duplex     = e1000e_phy_force_speed_duplex_m88,
1769         .get_cfg_done           = e1000e_get_cfg_done,
1770         .get_cable_length       = e1000e_get_cable_length_m88,
1771         .get_info               = e1000e_get_phy_info_m88,
1772         .read_reg               = e1000e_read_phy_reg_m88,
1773         .release                = e1000_put_hw_semaphore_82571,
1774         .reset                  = e1000e_phy_hw_reset_generic,
1775         .set_d0_lplu_state      = e1000_set_d0_lplu_state_82571,
1776         .set_d3_lplu_state      = e1000e_set_d3_lplu_state,
1777         .write_reg              = e1000e_write_phy_reg_m88,
1778         .cfg_on_link_up         = NULL,
1779 };
1780
1781 static struct e1000_phy_operations e82_phy_ops_bm = {
1782         .acquire                = e1000_get_hw_semaphore_82571,
1783         .check_polarity         = e1000_check_polarity_m88,
1784         .check_reset_block      = e1000e_check_reset_block_generic,
1785         .commit                 = e1000e_phy_sw_reset,
1786         .force_speed_duplex     = e1000e_phy_force_speed_duplex_m88,
1787         .get_cfg_done           = e1000e_get_cfg_done,
1788         .get_cable_length       = e1000e_get_cable_length_m88,
1789         .get_info               = e1000e_get_phy_info_m88,
1790         .read_reg               = e1000e_read_phy_reg_bm2,
1791         .release                = e1000_put_hw_semaphore_82571,
1792         .reset                  = e1000e_phy_hw_reset_generic,
1793         .set_d0_lplu_state      = e1000_set_d0_lplu_state_82571,
1794         .set_d3_lplu_state      = e1000e_set_d3_lplu_state,
1795         .write_reg              = e1000e_write_phy_reg_bm2,
1796         .cfg_on_link_up         = NULL,
1797 };
1798
1799 static struct e1000_nvm_operations e82571_nvm_ops = {
1800         .acquire                = e1000_acquire_nvm_82571,
1801         .read                   = e1000e_read_nvm_eerd,
1802         .release                = e1000_release_nvm_82571,
1803         .update                 = e1000_update_nvm_checksum_82571,
1804         .valid_led_default      = e1000_valid_led_default_82571,
1805         .validate               = e1000_validate_nvm_checksum_82571,
1806         .write                  = e1000_write_nvm_82571,
1807 };
1808
1809 struct e1000_info e1000_82571_info = {
1810         .mac                    = e1000_82571,
1811         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1812                                   | FLAG_HAS_JUMBO_FRAMES
1813                                   | FLAG_HAS_WOL
1814                                   | FLAG_APME_IN_CTRL3
1815                                   | FLAG_RX_CSUM_ENABLED
1816                                   | FLAG_HAS_CTRLEXT_ON_LOAD
1817                                   | FLAG_HAS_SMART_POWER_DOWN
1818                                   | FLAG_RESET_OVERWRITES_LAA /* errata */
1819                                   | FLAG_TARC_SPEED_MODE_BIT /* errata */
1820                                   | FLAG_APME_CHECK_PORT_B,
1821         .pba                    = 38,
1822         .max_hw_frame_size      = DEFAULT_JUMBO,
1823         .get_variants           = e1000_get_variants_82571,
1824         .mac_ops                = &e82571_mac_ops,
1825         .phy_ops                = &e82_phy_ops_igp,
1826         .nvm_ops                = &e82571_nvm_ops,
1827 };
1828
1829 struct e1000_info e1000_82572_info = {
1830         .mac                    = e1000_82572,
1831         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1832                                   | FLAG_HAS_JUMBO_FRAMES
1833                                   | FLAG_HAS_WOL
1834                                   | FLAG_APME_IN_CTRL3
1835                                   | FLAG_RX_CSUM_ENABLED
1836                                   | FLAG_HAS_CTRLEXT_ON_LOAD
1837                                   | FLAG_TARC_SPEED_MODE_BIT, /* errata */
1838         .pba                    = 38,
1839         .max_hw_frame_size      = DEFAULT_JUMBO,
1840         .get_variants           = e1000_get_variants_82571,
1841         .mac_ops                = &e82571_mac_ops,
1842         .phy_ops                = &e82_phy_ops_igp,
1843         .nvm_ops                = &e82571_nvm_ops,
1844 };
1845
1846 struct e1000_info e1000_82573_info = {
1847         .mac                    = e1000_82573,
1848         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1849                                   | FLAG_HAS_JUMBO_FRAMES
1850                                   | FLAG_HAS_WOL
1851                                   | FLAG_APME_IN_CTRL3
1852                                   | FLAG_RX_CSUM_ENABLED
1853                                   | FLAG_HAS_SMART_POWER_DOWN
1854                                   | FLAG_HAS_AMT
1855                                   | FLAG_HAS_ERT
1856                                   | FLAG_HAS_SWSM_ON_LOAD,
1857         .pba                    = 20,
1858         .max_hw_frame_size      = ETH_FRAME_LEN + ETH_FCS_LEN,
1859         .get_variants           = e1000_get_variants_82571,
1860         .mac_ops                = &e82571_mac_ops,
1861         .phy_ops                = &e82_phy_ops_m88,
1862         .nvm_ops                = &e82571_nvm_ops,
1863 };
1864
1865 struct e1000_info e1000_82574_info = {
1866         .mac                    = e1000_82574,
1867         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1868                                   | FLAG_HAS_MSIX
1869                                   | FLAG_HAS_JUMBO_FRAMES
1870                                   | FLAG_HAS_WOL
1871                                   | FLAG_APME_IN_CTRL3
1872                                   | FLAG_RX_CSUM_ENABLED
1873                                   | FLAG_HAS_SMART_POWER_DOWN
1874                                   | FLAG_HAS_AMT
1875                                   | FLAG_HAS_CTRLEXT_ON_LOAD,
1876         .pba                    = 20,
1877         .max_hw_frame_size      = DEFAULT_JUMBO,
1878         .get_variants           = e1000_get_variants_82571,
1879         .mac_ops                = &e82571_mac_ops,
1880         .phy_ops                = &e82_phy_ops_bm,
1881         .nvm_ops                = &e82571_nvm_ops,
1882 };
1883
1884 struct e1000_info e1000_82583_info = {
1885         .mac                    = e1000_82583,
1886         .flags                  = FLAG_HAS_HW_VLAN_FILTER
1887                                   | FLAG_HAS_WOL
1888                                   | FLAG_APME_IN_CTRL3
1889                                   | FLAG_RX_CSUM_ENABLED
1890                                   | FLAG_HAS_SMART_POWER_DOWN
1891                                   | FLAG_HAS_AMT
1892                                   | FLAG_HAS_CTRLEXT_ON_LOAD,
1893         .pba                    = 20,
1894         .max_hw_frame_size      = ETH_FRAME_LEN + ETH_FCS_LEN,
1895         .get_variants           = e1000_get_variants_82571,
1896         .mac_ops                = &e82571_mac_ops,
1897         .phy_ops                = &e82_phy_ops_bm,
1898         .nvm_ops                = &e82571_nvm_ops,
1899 };
1900