drivers/net/e1000e/ich8lan.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  * 82562G-2 10/100 Network Connection
  31  * 82562GT 10/100 Network Connection
  32  * 82562GT-2 10/100 Network Connection
  33  * 82562V 10/100 Network Connection
  34  * 82562V-2 10/100 Network Connection
  35  * 82566DC-2 Gigabit Network Connection
  36  * 82566DC Gigabit Network Connection
  37  * 82566DM-2 Gigabit Network Connection
  38  * 82566DM Gigabit Network Connection
  39  * 82566MC Gigabit Network Connection
  40  * 82566MM Gigabit Network Connection
  41  * 82567LM Gigabit Network Connection
  42  * 82567LF Gigabit Network Connection
  43  * 82567LM-2 Gigabit Network Connection
  44  * 82567LF-2 Gigabit Network Connection
  45  * 82567V-2 Gigabit Network Connection
  46  * 82562GT-3 10/100 Network Connection
  47  */
  48
  49 #include <linux/netdevice.h>
  50 #include <linux/ethtool.h>
  51 #include <linux/delay.h>
  52 #include <linux/pci.h>
  53
  54 #include "e1000.h"
  55
  56 #define ICH_FLASH_GFPREG                0x0000
  57 #define ICH_FLASH_HSFSTS                0x0004
  58 #define ICH_FLASH_HSFCTL                0x0006
  59 #define ICH_FLASH_FADDR                 0x0008
  60 #define ICH_FLASH_FDATA0                0x0010
  61 #define ICH_FLASH_PR0                   0x0074
  62
  63 #define ICH_FLASH_READ_COMMAND_TIMEOUT  500
  64 #define ICH_FLASH_WRITE_COMMAND_TIMEOUT 500
  65 #define ICH_FLASH_ERASE_COMMAND_TIMEOUT 3000000
  66 #define ICH_FLASH_LINEAR_ADDR_MASK      0x00FFFFFF
  67 #define ICH_FLASH_CYCLE_REPEAT_COUNT    10
  68
  69 #define ICH_CYCLE_READ                  0
  70 #define ICH_CYCLE_WRITE                 2
  71 #define ICH_CYCLE_ERASE                 3
  72
  73 #define FLASH_GFPREG_BASE_MASK          0x1FFF
  74 #define FLASH_SECTOR_ADDR_SHIFT         12
  75
  76 #define ICH_FLASH_SEG_SIZE_256          256
  77 #define ICH_FLASH_SEG_SIZE_4K           4096
  78 #define ICH_FLASH_SEG_SIZE_8K           8192
  79 #define ICH_FLASH_SEG_SIZE_64K          65536
  80
  81
  82 #define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */
  83
  84 #define E1000_ICH_MNG_IAMT_MODE         0x2
  85
  86 #define ID_LED_DEFAULT_ICH8LAN  ((ID_LED_DEF1_DEF2 << 12) | \
  87                                  (ID_LED_DEF1_OFF2 <<  8) | \
  88                                  (ID_LED_DEF1_ON2  <<  4) | \
  89                                  (ID_LED_DEF1_DEF2))
  90
  91 #define E1000_ICH_NVM_SIG_WORD          0x13
  92 #define E1000_ICH_NVM_SIG_MASK          0xC000
  93
  94 #define E1000_ICH8_LAN_INIT_TIMEOUT     1500
  95
  96 #define E1000_FEXTNVM_SW_CONFIG         1
  97 #define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */
  98
  99 #define PCIE_ICH8_SNOOP_ALL             PCIE_NO_SNOOP_ALL
 100
 101 #define E1000_ICH_RAR_ENTRIES           7
 102
 103 #define PHY_PAGE_SHIFT 5
 104 #define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
 105                            ((reg) & MAX_PHY_REG_ADDRESS))
 106 #define IGP3_KMRN_DIAG  PHY_REG(770, 19) /* KMRN Diagnostic */
 107 #define IGP3_VR_CTRL    PHY_REG(776, 18) /* Voltage Regulator Control */
 108
 109 #define IGP3_KMRN_DIAG_PCS_LOCK_LOSS    0x0002
 110 #define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
 111 #define IGP3_VR_CTRL_MODE_SHUTDOWN      0x0200
 112
 113 /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
 114 /* Offset 04h HSFSTS */
 115 union ich8_hws_flash_status {
 116         struct ich8_hsfsts {
 117                 u16 flcdone    :1; /* bit 0 Flash Cycle Done */
 118                 u16 flcerr     :1; /* bit 1 Flash Cycle Error */
 119                 u16 dael       :1; /* bit 2 Direct Access error Log */
 120                 u16 berasesz   :2; /* bit 4:3 Sector Erase Size */
 121                 u16 flcinprog  :1; /* bit 5 flash cycle in Progress */
 122                 u16 reserved1  :2; /* bit 13:6 Reserved */
 123                 u16 reserved2  :6; /* bit 13:6 Reserved */
 124                 u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */
 125                 u16 flockdn    :1; /* bit 15 Flash Config Lock-Down */
 126         } hsf_status;
 127         u16 regval;
 128 };
 129
 130 /* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */
 131 /* Offset 06h FLCTL */
 132 union ich8_hws_flash_ctrl {
 133         struct ich8_hsflctl {
 134                 u16 flcgo      :1;   /* 0 Flash Cycle Go */
 135                 u16 flcycle    :2;   /* 2:1 Flash Cycle */
 136                 u16 reserved   :5;   /* 7:3 Reserved  */
 137                 u16 fldbcount  :2;   /* 9:8 Flash Data Byte Count */
 138                 u16 flockdn    :6;   /* 15:10 Reserved */
 139         } hsf_ctrl;
 140         u16 regval;
 141 };
 142
 143 /* ICH Flash Region Access Permissions */
 144 union ich8_hws_flash_regacc {
 145         struct ich8_flracc {
 146                 u32 grra      :8; /* 0:7 GbE region Read Access */
 147                 u32 grwa      :8; /* 8:15 GbE region Write Access */
 148                 u32 gmrag     :8; /* 23:16 GbE Master Read Access Grant */
 149                 u32 gmwag     :8; /* 31:24 GbE Master Write Access Grant */
 150         } hsf_flregacc;
 151         u16 regval;
 152 };
 153
 154 /* ICH Flash Protected Region */
 155 union ich8_flash_protected_range {
 156         struct ich8_pr {
 157                 u32 base:13;     /* 0:12 Protected Range Base */
 158                 u32 reserved1:2; /* 13:14 Reserved */
 159                 u32 rpe:1;       /* 15 Read Protection Enable */
 160                 u32 limit:13;    /* 16:28 Protected Range Limit */
 161                 u32 reserved2:2; /* 29:30 Reserved */
 162                 u32 wpe:1;       /* 31 Write Protection Enable */
 163         } range;
 164         u32 regval;
 165 };
 166
 167 static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw);
 168 static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
 169 static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
 170 static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw);
 171 static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
 172 static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
 173                                                 u32 offset, u8 byte);
 174 static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
 175                                          u16 *data);
 176 static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
 177                                          u8 size, u16 *data);
 178 static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw);
 179 static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw);
 180
 181 static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
 182 {
 183         return readw(hw->flash_address + reg);
 184 }
 185
 186 static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg)
 187 {
 188         return readl(hw->flash_address + reg);
 189 }
 190
 191 static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val)
 192 {
 193         writew(val, hw->flash_address + reg);
 194 }
 195
 196 static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val)
 197 {
 198         writel(val, hw->flash_address + reg);
 199 }
 200
 201 #define er16flash(reg)          __er16flash(hw, (reg))
 202 #define er32flash(reg)          __er32flash(hw, (reg))
 203 #define ew16flash(reg,val)      __ew16flash(hw, (reg), (val))
 204 #define ew32flash(reg,val)      __ew32flash(hw, (reg), (val))
 205
 206 /**
 207  *  e1000_init_phy_params_ich8lan - Initialize PHY function pointers
 208  *  @hw: pointer to the HW structure
 209  *
 210  *  Initialize family-specific PHY parameters and function pointers.
 211  **/
 212 static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 213 {
 214         struct e1000_phy_info *phy = &hw->phy;
 215         s32 ret_val;
 216         u16 i = 0;
 217
 218         phy->addr                       = 1;
 219         phy->reset_delay_us             = 100;
 220
 221         /*
 222          * We may need to do this twice - once for IGP and if that fails,
 223          * we'll set BM func pointers and try again
 224          */
 225         ret_val = e1000e_determine_phy_address(hw);
 226         if (ret_val) {
 227                 hw->phy.ops.write_phy_reg = e1000e_write_phy_reg_bm;
 228                 hw->phy.ops.read_phy_reg  = e1000e_read_phy_reg_bm;
 229                 ret_val = e1000e_determine_phy_address(hw);
 230                 if (ret_val)
 231                         return ret_val;
 232         }
 233
 234         phy->id = 0;
 235         while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) &&
 236                (i++ < 100)) {
 237                 msleep(1);
 238                 ret_val = e1000e_get_phy_id(hw);
 239                 if (ret_val)
 240                         return ret_val;
 241         }
 242
 243         /* Verify phy id */
 244         switch (phy->id) {
 245         case IGP03E1000_E_PHY_ID:
 246                 phy->type = e1000_phy_igp_3;
 247                 phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 248                 break;
 249         case IFE_E_PHY_ID:
 250         case IFE_PLUS_E_PHY_ID:
 251         case IFE_C_E_PHY_ID:
 252                 phy->type = e1000_phy_ife;
 253                 phy->autoneg_mask = E1000_ALL_NOT_GIG;
 254                 break;
 255         case BME1000_E_PHY_ID:
 256                 phy->type = e1000_phy_bm;
 257                 phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 258                 hw->phy.ops.read_phy_reg = e1000e_read_phy_reg_bm;
 259                 hw->phy.ops.write_phy_reg = e1000e_write_phy_reg_bm;
 260                 hw->phy.ops.commit_phy = e1000e_phy_sw_reset;
 261                 break;
 262         default:
 263                 return -E1000_ERR_PHY;
 264                 break;
 265         }
 266
 267         return 0;
 268 }
 269
 270 /**
 271  *  e1000_init_nvm_params_ich8lan - Initialize NVM function pointers
 272  *  @hw: pointer to the HW structure
 273  *
 274  *  Initialize family-specific NVM parameters and function
 275  *  pointers.
 276  **/
 277 static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
 278 {
 279         struct e1000_nvm_info *nvm = &hw->nvm;
 280         struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
 281         u32 gfpreg;
 282         u32 sector_base_addr;
 283         u32 sector_end_addr;
 284         u16 i;
 285
 286         /* Can't read flash registers if the register set isn't mapped. */
 287         if (!hw->flash_address) {
 288                 hw_dbg(hw, "ERROR: Flash registers not mapped\n");
 289                 return -E1000_ERR_CONFIG;
 290         }
 291
 292         nvm->type = e1000_nvm_flash_sw;
 293
 294         gfpreg = er32flash(ICH_FLASH_GFPREG);
 295
 296         /*
 297          * sector_X_addr is a "sector"-aligned address (4096 bytes)
 298          * Add 1 to sector_end_addr since this sector is included in
 299          * the overall size.
 300          */
 301         sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
 302         sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
 303
 304         /* flash_base_addr is byte-aligned */
 305         nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
 306
 307         /*
 308          * find total size of the NVM, then cut in half since the total
 309          * size represents two separate NVM banks.
 310          */
 311         nvm->flash_bank_size = (sector_end_addr - sector_base_addr)
 312                                 << FLASH_SECTOR_ADDR_SHIFT;
 313         nvm->flash_bank_size /= 2;
 314         /* Adjust to word count */
 315         nvm->flash_bank_size /= sizeof(u16);
 316
 317         nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS;
 318
 319         /* Clear shadow ram */
 320         for (i = 0; i < nvm->word_size; i++) {
 321                 dev_spec->shadow_ram[i].modified = 0;
 322                 dev_spec->shadow_ram[i].value    = 0xFFFF;
 323         }
 324
 325         return 0;
 326 }
 327
 328 /**
 329  *  e1000_init_mac_params_ich8lan - Initialize MAC function pointers
 330  *  @hw: pointer to the HW structure
 331  *
 332  *  Initialize family-specific MAC parameters and function
 333  *  pointers.
 334  **/
 335 static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
 336 {
 337         struct e1000_hw *hw = &adapter->hw;
 338         struct e1000_mac_info *mac = &hw->mac;
 339
 340         /* Set media type function pointer */
 341         hw->phy.media_type = e1000_media_type_copper;
 342
 343         /* Set mta register count */
 344         mac->mta_reg_count = 32;
 345         /* Set rar entry count */
 346         mac->rar_entry_count = E1000_ICH_RAR_ENTRIES;
 347         if (mac->type == e1000_ich8lan)
 348                 mac->rar_entry_count--;
 349         /* Set if manageability features are enabled. */
 350         mac->arc_subsystem_valid = 1;
 351
 352         /* Enable PCS Lock-loss workaround for ICH8 */
 353         if (mac->type == e1000_ich8lan)
 354                 e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, 1);
 355
 356         return 0;
 357 }
 358
 359 static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
 360 {
 361         struct e1000_hw *hw = &adapter->hw;
 362         s32 rc;
 363
 364         rc = e1000_init_mac_params_ich8lan(adapter);
 365         if (rc)
 366                 return rc;
 367
 368         rc = e1000_init_nvm_params_ich8lan(hw);
 369         if (rc)
 370                 return rc;
 371
 372         rc = e1000_init_phy_params_ich8lan(hw);
 373         if (rc)
 374                 return rc;
 375
 376         if ((adapter->hw.mac.type == e1000_ich8lan) &&
 377             (adapter->hw.phy.type == e1000_phy_igp_3))
 378                 adapter->flags |= FLAG_LSC_GIG_SPEED_DROP;
 379
 380         return 0;
 381 }
 382
 383 /**
 384  *  e1000_acquire_swflag_ich8lan - Acquire software control flag
 385  *  @hw: pointer to the HW structure
 386  *
 387  *  Acquires the software control flag for performing NVM and PHY
 388  *  operations.  This is a function pointer entry point only called by
 389  *  read/write routines for the PHY and NVM parts.
 390  **/
 391 static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 392 {
 393         u32 extcnf_ctrl;
 394         u32 timeout = PHY_CFG_TIMEOUT;
 395
 396         while (timeout) {
 397                 extcnf_ctrl = er32(EXTCNF_CTRL);
 398                 extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
 399                 ew32(EXTCNF_CTRL, extcnf_ctrl);
 400
 401                 extcnf_ctrl = er32(EXTCNF_CTRL);
 402                 if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
 403                         break;
 404                 mdelay(1);
 405                 timeout--;
 406         }
 407
 408         if (!timeout) {
 409                 hw_dbg(hw, "FW or HW has locked the resource for too long.\n");
 410                 return -E1000_ERR_CONFIG;
 411         }
 412
 413         return 0;
 414 }
 415
 416 /**
 417  *  e1000_release_swflag_ich8lan - Release software control flag
 418  *  @hw: pointer to the HW structure
 419  *
 420  *  Releases the software control flag for performing NVM and PHY operations.
 421  *  This is a function pointer entry point only called by read/write
 422  *  routines for the PHY and NVM parts.
 423  **/
 424 static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
 425 {
 426         u32 extcnf_ctrl;
 427
 428         extcnf_ctrl = er32(EXTCNF_CTRL);
 429         extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
 430         ew32(EXTCNF_CTRL, extcnf_ctrl);
 431 }
 432
 433 /**
 434  *  e1000_check_reset_block_ich8lan - Check if PHY reset is blocked
 435  *  @hw: pointer to the HW structure
 436  *
 437  *  Checks if firmware is blocking the reset of the PHY.
 438  *  This is a function pointer entry point only called by
 439  *  reset routines.
 440  **/
 441 static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
 442 {
 443         u32 fwsm;
 444
 445         fwsm = er32(FWSM);
 446
 447         return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET;
 448 }
 449
 450 /**
 451  *  e1000_phy_force_speed_duplex_ich8lan - Force PHY speed & duplex
 452  *  @hw: pointer to the HW structure
 453  *
 454  *  Forces the speed and duplex settings of the PHY.
 455  *  This is a function pointer entry point only called by
 456  *  PHY setup routines.
 457  **/
 458 static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
 459 {
 460         struct e1000_phy_info *phy = &hw->phy;
 461         s32 ret_val;
 462         u16 data;
 463         bool link;
 464
 465         if (phy->type != e1000_phy_ife) {
 466                 ret_val = e1000e_phy_force_speed_duplex_igp(hw);
 467                 return ret_val;
 468         }
 469
 470         ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
 471         if (ret_val)
 472                 return ret_val;
 473
 474         e1000e_phy_force_speed_duplex_setup(hw, &data);
 475
 476         ret_val = e1e_wphy(hw, PHY_CONTROL, data);
 477         if (ret_val)
 478                 return ret_val;
 479
 480         /* Disable MDI-X support for 10/100 */
 481         ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
 482         if (ret_val)
 483                 return ret_val;
 484
 485         data &= ~IFE_PMC_AUTO_MDIX;
 486         data &= ~IFE_PMC_FORCE_MDIX;
 487
 488         ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
 489         if (ret_val)
 490                 return ret_val;
 491
 492         hw_dbg(hw, "IFE PMC: %X\n", data);
 493
 494         udelay(1);
 495
 496         if (phy->autoneg_wait_to_complete) {
 497                 hw_dbg(hw, "Waiting for forced speed/duplex link on IFE phy.\n");
 498
 499                 ret_val = e1000e_phy_has_link_generic(hw,
 500                                                      PHY_FORCE_LIMIT,
 501                                                      100000,
 502                                                      &link);
 503                 if (ret_val)
 504                         return ret_val;
 505
 506                 if (!link)
 507                         hw_dbg(hw, "Link taking longer than expected.\n");
 508
 509                 /* Try once more */
 510                 ret_val = e1000e_phy_has_link_generic(hw,
 511                                                      PHY_FORCE_LIMIT,
 512                                                      100000,
 513                                                      &link);
 514                 if (ret_val)
 515                         return ret_val;
 516         }
 517
 518         return 0;
 519 }
 520
 521 /**
 522  *  e1000_phy_hw_reset_ich8lan - Performs a PHY reset
 523  *  @hw: pointer to the HW structure
 524  *
 525  *  Resets the PHY
 526  *  This is a function pointer entry point called by drivers
 527  *  or other shared routines.
 528  **/
 529 static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
 530 {
 531         struct e1000_phy_info *phy = &hw->phy;
 532         u32 i;
 533         u32 data, cnf_size, cnf_base_addr, sw_cfg_mask;
 534         s32 ret_val;
 535         u16 loop = E1000_ICH8_LAN_INIT_TIMEOUT;
 536         u16 word_addr, reg_data, reg_addr, phy_page = 0;
 537
 538         ret_val = e1000e_phy_hw_reset_generic(hw);
 539         if (ret_val)
 540                 return ret_val;
 541
 542         /*
 543          * Initialize the PHY from the NVM on ICH platforms.  This
 544          * is needed due to an issue where the NVM configuration is
 545          * not properly autoloaded after power transitions.
 546          * Therefore, after each PHY reset, we will load the
 547          * configuration data out of the NVM manually.
 548          */
 549         if (hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) {
 550                 struct e1000_adapter *adapter = hw->adapter;
 551
 552                 /* Check if SW needs configure the PHY */
 553                 if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) ||
 554                     (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M))
 555                         sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
 556                 else
 557                         sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
 558
 559                 data = er32(FEXTNVM);
 560                 if (!(data & sw_cfg_mask))
 561                         return 0;
 562
 563                 /* Wait for basic configuration completes before proceeding*/
 564                 do {
 565                         data = er32(STATUS);
 566                         data &= E1000_STATUS_LAN_INIT_DONE;
 567                         udelay(100);
 568                 } while ((!data) && --loop);
 569
 570                 /*
 571                  * If basic configuration is incomplete before the above loop
 572                  * count reaches 0, loading the configuration from NVM will
 573                  * leave the PHY in a bad state possibly resulting in no link.
 574                  */
 575                 if (loop == 0) {
 576                         hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n");
 577                 }
 578
 579                 /* Clear the Init Done bit for the next init event */
 580                 data = er32(STATUS);
 581                 data &= ~E1000_STATUS_LAN_INIT_DONE;
 582                 ew32(STATUS, data);
 583
 584                 /*
 585                  * Make sure HW does not configure LCD from PHY
 586                  * extended configuration before SW configuration
 587                  */
 588                 data = er32(EXTCNF_CTRL);
 589                 if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
 590                         return 0;
 591
 592                 cnf_size = er32(EXTCNF_SIZE);
 593                 cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
 594                 cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
 595                 if (!cnf_size)
 596                         return 0;
 597
 598                 cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
 599                 cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
 600
 601                 /* Configure LCD from extended configuration region. */
 602
 603                 /* cnf_base_addr is in DWORD */
 604                 word_addr = (u16)(cnf_base_addr << 1);
 605
 606                 for (i = 0; i < cnf_size; i++) {
 607                         ret_val = e1000_read_nvm(hw,
 608                                                 (word_addr + i * 2),
 609                                                 1,
 610                                                 &reg_data);
 611                         if (ret_val)
 612                                 return ret_val;
 613
 614                         ret_val = e1000_read_nvm(hw,
 615                                                 (word_addr + i * 2 + 1),
 616                                                 1,
 617                                                 &reg_addr);
 618                         if (ret_val)
 619                                 return ret_val;
 620
 621                         /* Save off the PHY page for future writes. */
 622                         if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
 623                                 phy_page = reg_data;
 624                                 continue;
 625                         }
 626
 627                         reg_addr |= phy_page;
 628
 629                         ret_val = e1e_wphy(hw, (u32)reg_addr, reg_data);
 630                         if (ret_val)
 631                                 return ret_val;
 632                 }
 633         }
 634
 635         return 0;
 636 }
 637
 638 /**
 639  *  e1000_get_phy_info_ife_ich8lan - Retrieves various IFE PHY states
 640  *  @hw: pointer to the HW structure
 641  *
 642  *  Populates "phy" structure with various feature states.
 643  *  This function is only called by other family-specific
 644  *  routines.
 645  **/
 646 static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw)
 647 {
 648         struct e1000_phy_info *phy = &hw->phy;
 649         s32 ret_val;
 650         u16 data;
 651         bool link;
 652
 653         ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
 654         if (ret_val)
 655                 return ret_val;
 656
 657         if (!link) {
 658                 hw_dbg(hw, "Phy info is only valid if link is up\n");
 659                 return -E1000_ERR_CONFIG;
 660         }
 661
 662         ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
 663         if (ret_val)
 664                 return ret_val;
 665         phy->polarity_correction = (!(data & IFE_PSC_AUTO_POLARITY_DISABLE));
 666
 667         if (phy->polarity_correction) {
 668                 ret_val = e1000_check_polarity_ife_ich8lan(hw);
 669                 if (ret_val)
 670                         return ret_val;
 671         } else {
 672                 /* Polarity is forced */
 673                 phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
 674                                       ? e1000_rev_polarity_reversed
 675                                       : e1000_rev_polarity_normal;
 676         }
 677
 678         ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
 679         if (ret_val)
 680                 return ret_val;
 681
 682         phy->is_mdix = (data & IFE_PMC_MDIX_STATUS);
 683
 684         /* The following parameters are undefined for 10/100 operation. */
 685         phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
 686         phy->local_rx = e1000_1000t_rx_status_undefined;
 687         phy->remote_rx = e1000_1000t_rx_status_undefined;
 688
 689         return 0;
 690 }
 691
 692 /**
 693  *  e1000_get_phy_info_ich8lan - Calls appropriate PHY type get_phy_info
 694  *  @hw: pointer to the HW structure
 695  *
 696  *  Wrapper for calling the get_phy_info routines for the appropriate phy type.
 697  *  This is a function pointer entry point called by drivers
 698  *  or other shared routines.
 699  **/
 700 static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw)
 701 {
 702         switch (hw->phy.type) {
 703         case e1000_phy_ife:
 704                 return e1000_get_phy_info_ife_ich8lan(hw);
 705                 break;
 706         case e1000_phy_igp_3:
 707         case e1000_phy_bm:
 708                 return e1000e_get_phy_info_igp(hw);
 709                 break;
 710         default:
 711                 break;
 712         }
 713
 714         return -E1000_ERR_PHY_TYPE;
 715 }
 716
 717 /**
 718  *  e1000_check_polarity_ife_ich8lan - Check cable polarity for IFE PHY
 719  *  @hw: pointer to the HW structure
 720  *
 721  *  Polarity is determined on the polarity reversal feature being enabled.
 722  *  This function is only called by other family-specific
 723  *  routines.
 724  **/
 725 static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw)
 726 {
 727         struct e1000_phy_info *phy = &hw->phy;
 728         s32 ret_val;
 729         u16 phy_data, offset, mask;
 730
 731         /*
 732          * Polarity is determined based on the reversal feature being enabled.
 733          */
 734         if (phy->polarity_correction) {
 735                 offset  = IFE_PHY_EXTENDED_STATUS_CONTROL;
 736                 mask    = IFE_PESC_POLARITY_REVERSED;
 737         } else {
 738                 offset  = IFE_PHY_SPECIAL_CONTROL;
 739                 mask    = IFE_PSC_FORCE_POLARITY;
 740         }
 741
 742         ret_val = e1e_rphy(hw, offset, &phy_data);
 743
 744         if (!ret_val)
 745                 phy->cable_polarity = (phy_data & mask)
 746                                       ? e1000_rev_polarity_reversed
 747                                       : e1000_rev_polarity_normal;
 748
 749         return ret_val;
 750 }
 751
 752 /**
 753  *  e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state
 754  *  @hw: pointer to the HW structure
 755  *  @active: TRUE to enable LPLU, FALSE to disable
 756  *
 757  *  Sets the LPLU D0 state according to the active flag.  When
 758  *  activating LPLU this function also disables smart speed
 759  *  and vice versa.  LPLU will not be activated unless the
 760  *  device autonegotiation advertisement meets standards of
 761  *  either 10 or 10/100 or 10/100/1000 at all duplexes.
 762  *  This is a function pointer entry point only called by
 763  *  PHY setup routines.
 764  **/
 765 static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
 766 {
 767         struct e1000_phy_info *phy = &hw->phy;
 768         u32 phy_ctrl;
 769         s32 ret_val = 0;
 770         u16 data;
 771
 772         if (phy->type == e1000_phy_ife)
 773                 return ret_val;
 774
 775         phy_ctrl = er32(PHY_CTRL);
 776
 777         if (active) {
 778                 phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
 779                 ew32(PHY_CTRL, phy_ctrl);
 780
 781                 /*
 782                  * Call gig speed drop workaround on LPLU before accessing
 783                  * any PHY registers
 784                  */
 785                 if ((hw->mac.type == e1000_ich8lan) &&
 786                     (hw->phy.type == e1000_phy_igp_3))
 787                         e1000e_gig_downshift_workaround_ich8lan(hw);
 788
 789                 /* When LPLU is enabled, we should disable SmartSpeed */
 790                 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
 791                 data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 792                 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
 793                 if (ret_val)
 794                         return ret_val;
 795         } else {
 796                 phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
 797                 ew32(PHY_CTRL, phy_ctrl);
 798
 799                 /*
 800                  * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
 801                  * during Dx states where the power conservation is most
 802                  * important.  During driver activity we should enable
 803                  * SmartSpeed, so performance is maintained.
 804                  */
 805                 if (phy->smart_speed == e1000_smart_speed_on) {
 806                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 807                                            &data);
 808                         if (ret_val)
 809                                 return ret_val;
 810
 811                         data |= IGP01E1000_PSCFR_SMART_SPEED;
 812                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 813                                            data);
 814                         if (ret_val)
 815                                 return ret_val;
 816                 } else if (phy->smart_speed == e1000_smart_speed_off) {
 817                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 818                                            &data);
 819                         if (ret_val)
 820                                 return ret_val;
 821
 822                         data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 823                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 824                                            data);
 825                         if (ret_val)
 826                                 return ret_val;
 827                 }
 828         }
 829
 830         return 0;
 831 }
 832
 833 /**
 834  *  e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state
 835  *  @hw: pointer to the HW structure
 836  *  @active: TRUE to enable LPLU, FALSE to disable
 837  *
 838  *  Sets the LPLU D3 state according to the active flag.  When
 839  *  activating LPLU this function also disables smart speed
 840  *  and vice versa.  LPLU will not be activated unless the
 841  *  device autonegotiation advertisement meets standards of
 842  *  either 10 or 10/100 or 10/100/1000 at all duplexes.
 843  *  This is a function pointer entry point only called by
 844  *  PHY setup routines.
 845  **/
 846 static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
 847 {
 848         struct e1000_phy_info *phy = &hw->phy;
 849         u32 phy_ctrl;
 850         s32 ret_val;
 851         u16 data;
 852
 853         phy_ctrl = er32(PHY_CTRL);
 854
 855         if (!active) {
 856                 phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
 857                 ew32(PHY_CTRL, phy_ctrl);
 858                 /*
 859                  * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
 860                  * during Dx states where the power conservation is most
 861                  * important.  During driver activity we should enable
 862                  * SmartSpeed, so performance is maintained.
 863                  */
 864                 if (phy->smart_speed == e1000_smart_speed_on) {
 865                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 866                                            &data);
 867                         if (ret_val)
 868                                 return ret_val;
 869
 870                         data |= IGP01E1000_PSCFR_SMART_SPEED;
 871                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 872                                            data);
 873                         if (ret_val)
 874                                 return ret_val;
 875                 } else if (phy->smart_speed == e1000_smart_speed_off) {
 876                         ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 877                                            &data);
 878                         if (ret_val)
 879                                 return ret_val;
 880
 881                         data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 882                         ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
 883                                            data);
 884                         if (ret_val)
 885                                 return ret_val;
 886                 }
 887         } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
 888                    (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
 889                    (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
 890                 phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
 891                 ew32(PHY_CTRL, phy_ctrl);
 892
 893                 /*
 894                  * Call gig speed drop workaround on LPLU before accessing
 895                  * any PHY registers
 896                  */
 897                 if ((hw->mac.type == e1000_ich8lan) &&
 898                     (hw->phy.type == e1000_phy_igp_3))
 899                         e1000e_gig_downshift_workaround_ich8lan(hw);
 900
 901                 /* When LPLU is enabled, we should disable SmartSpeed */
 902                 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
 903                 if (ret_val)
 904                         return ret_val;
 905
 906                 data &= ~IGP01E1000_PSCFR_SMART_SPEED;
 907                 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
 908         }
 909
 910         return 0;
 911 }
 912
 913 /**
 914  *  e1000_read_nvm_ich8lan - Read word(s) from the NVM
 915  *  @hw: pointer to the HW structure
 916  *  @offset: The offset (in bytes) of the word(s) to read.
 917  *  @words: Size of data to read in words
 918  *  @data: Pointer to the word(s) to read at offset.
 919  *
 920  *  Reads a word(s) from the NVM using the flash access registers.
 921  **/
 922 static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 923                                   u16 *data)
 924 {
 925         struct e1000_nvm_info *nvm = &hw->nvm;
 926         struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
 927         u32 act_offset;
 928         s32 ret_val;
 929         u16 i, word;
 930
 931         if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
 932             (words == 0)) {
 933                 hw_dbg(hw, "nvm parameter(s) out of bounds\n");
 934                 return -E1000_ERR_NVM;
 935         }
 936
 937         ret_val = e1000_acquire_swflag_ich8lan(hw);
 938         if (ret_val)
 939                 return ret_val;
 940
 941         /* Start with the bank offset, then add the relative offset. */
 942         act_offset = (er32(EECD) & E1000_EECD_SEC1VAL)
 943                      ? nvm->flash_bank_size
 944                      : 0;
 945         act_offset += offset;
 946
 947         for (i = 0; i < words; i++) {
 948                 if ((dev_spec->shadow_ram) &&
 949                     (dev_spec->shadow_ram[offset+i].modified)) {
 950                         data[i] = dev_spec->shadow_ram[offset+i].value;
 951                 } else {
 952                         ret_val = e1000_read_flash_word_ich8lan(hw,
 953                                                                 act_offset + i,
 954                                                                 &word);
 955                         if (ret_val)
 956                                 break;
 957                         data[i] = word;
 958                 }
 959         }
 960
 961         e1000_release_swflag_ich8lan(hw);
 962
 963         return ret_val;
 964 }
 965
 966 /**
 967  *  e1000_flash_cycle_init_ich8lan - Initialize flash
 968  *  @hw: pointer to the HW structure
 969  *
 970  *  This function does initial flash setup so that a new read/write/erase cycle
 971  *  can be started.
 972  **/
 973 static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
 974 {
 975         union ich8_hws_flash_status hsfsts;
 976         s32 ret_val = -E1000_ERR_NVM;
 977         s32 i = 0;
 978
 979         hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
 980
 981         /* Check if the flash descriptor is valid */
 982         if (hsfsts.hsf_status.fldesvalid == 0) {
 983                 hw_dbg(hw, "Flash descriptor invalid.  "
 984                          "SW Sequencing must be used.");
 985                 return -E1000_ERR_NVM;
 986         }
 987
 988         /* Clear FCERR and DAEL in hw status by writing 1 */
 989         hsfsts.hsf_status.flcerr = 1;
 990         hsfsts.hsf_status.dael = 1;
 991
 992         ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
 993
 994         /*
 995          * Either we should have a hardware SPI cycle in progress
 996          * bit to check against, in order to start a new cycle or
 997          * FDONE bit should be changed in the hardware so that it
 998          * is 1 after hardware reset, which can then be used as an
 999          * indication whether a cycle is in progress or has been
1000          * completed.
1001          */
1002
1003         if (hsfsts.hsf_status.flcinprog == 0) {
1004                 /*
1005                  * There is no cycle running at present,
1006                  * so we can start a cycle
1007                  * Begin by setting Flash Cycle Done.
1008                  */
1009                 hsfsts.hsf_status.flcdone = 1;
1010                 ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
1011                 ret_val = 0;
1012         } else {
1013                 /*
1014                  * otherwise poll for sometime so the current
1015                  * cycle has a chance to end before giving up.
1016                  */
1017                 for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) {
1018                         hsfsts.regval = __er16flash(hw, ICH_FLASH_HSFSTS);
1019                         if (hsfsts.hsf_status.flcinprog == 0) {
1020                                 ret_val = 0;
1021                                 break;
1022                         }
1023                         udelay(1);
1024                 }
1025                 if (ret_val == 0) {
1026                         /*
1027                          * Successful in waiting for previous cycle to timeout,
1028                          * now set the Flash Cycle Done.
1029                          */
1030                         hsfsts.hsf_status.flcdone = 1;
1031                         ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
1032                 } else {
1033                         hw_dbg(hw, "Flash controller busy, cannot get access");
1034                 }
1035         }
1036
1037         return ret_val;
1038 }
1039
1040 /**
1041  *  e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase)
1042  *  @hw: pointer to the HW structure
1043  *  @timeout: maximum time to wait for completion
1044  *
1045  *  This function starts a flash cycle and waits for its completion.
1046  **/
1047 static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout)
1048 {
1049         union ich8_hws_flash_ctrl hsflctl;
1050         union ich8_hws_flash_status hsfsts;
1051         s32 ret_val = -E1000_ERR_NVM;
1052         u32 i = 0;
1053
1054         /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
1055         hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
1056         hsflctl.hsf_ctrl.flcgo = 1;
1057         ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
1058
1059         /* wait till FDONE bit is set to 1 */
1060         do {
1061                 hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
1062                 if (hsfsts.hsf_status.flcdone == 1)
1063                         break;
1064                 udelay(1);
1065         } while (i++ < timeout);
1066
1067         if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0)
1068                 return 0;
1069
1070         return ret_val;
1071 }
1072
1073 /**
1074  *  e1000_read_flash_word_ich8lan - Read word from flash
1075  *  @hw: pointer to the HW structure
1076  *  @offset: offset to data location
1077  *  @data: pointer to the location for storing the data
1078  *
1079  *  Reads the flash word at offset into data.  Offset is converted
1080  *  to bytes before read.
1081  **/
1082 static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
1083                                          u16 *data)
1084 {
1085         /* Must convert offset into bytes. */
1086         offset <<= 1;
1087
1088         return e1000_read_flash_data_ich8lan(hw, offset, 2, data);
1089 }
1090
1091 /**
1092  *  e1000_read_flash_data_ich8lan - Read byte or word from NVM
1093  *  @hw: pointer to the HW structure
1094  *  @offset: The offset (in bytes) of the byte or word to read.
1095  *  @size: Size of data to read, 1=byte 2=word
1096  *  @data: Pointer to the word to store the value read.
1097  *
1098  *  Reads a byte or word from the NVM using the flash access registers.
1099  **/
1100 static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
1101                                          u8 size, u16 *data)
1102 {
1103         union ich8_hws_flash_status hsfsts;
1104         union ich8_hws_flash_ctrl hsflctl;
1105         u32 flash_linear_addr;
1106         u32 flash_data = 0;
1107         s32 ret_val = -E1000_ERR_NVM;
1108         u8 count = 0;
1109
1110         if (size < 1  || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
1111                 return -E1000_ERR_NVM;
1112
1113         flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
1114                             hw->nvm.flash_base_addr;
1115
1116         do {
1117                 udelay(1);
1118                 /* Steps */
1119                 ret_val = e1000_flash_cycle_init_ich8lan(hw);
1120                 if (ret_val != 0)
1121                         break;
1122
1123                 hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
1124                 /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
1125                 hsflctl.hsf_ctrl.fldbcount = size - 1;
1126                 hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ;
1127                 ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
1128
1129                 ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
1130
1131                 ret_val = e1000_flash_cycle_ich8lan(hw,
1132                                                 ICH_FLASH_READ_COMMAND_TIMEOUT);
1133
1134                 /*
1135                  * Check if FCERR is set to 1, if set to 1, clear it
1136                  * and try the whole sequence a few more times, else
1137                  * read in (shift in) the Flash Data0, the order is
1138                  * least significant byte first msb to lsb
1139                  */
1140                 if (ret_val == 0) {
1141                         flash_data = er32flash(ICH_FLASH_FDATA0);
1142                         if (size == 1) {
1143                                 *data = (u8)(flash_data & 0x000000FF);
1144                         } else if (size == 2) {
1145                                 *data = (u16)(flash_data & 0x0000FFFF);
1146                         }
1147                         break;
1148                 } else {
1149                         /*
1150                          * If we've gotten here, then things are probably
1151                          * completely hosed, but if the error condition is
1152                          * detected, it won't hurt to give it another try...
1153                          * ICH_FLASH_CYCLE_REPEAT_COUNT times.
1154                          */
1155                         hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
1156                         if (hsfsts.hsf_status.flcerr == 1) {
1157                                 /* Repeat for some time before giving up. */
1158                                 continue;
1159                         } else if (hsfsts.hsf_status.flcdone == 0) {
1160                                 hw_dbg(hw, "Timeout error - flash cycle "
1161                                          "did not complete.");
1162                                 break;
1163                         }
1164                 }
1165         } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
1166
1167         return ret_val;
1168 }
1169
1170 /**
1171  *  e1000_write_nvm_ich8lan - Write word(s) to the NVM
1172  *  @hw: pointer to the HW structure
1173  *  @offset: The offset (in bytes) of the word(s) to write.
1174  *  @words: Size of data to write in words
1175  *  @data: Pointer to the word(s) to write at offset.
1176  *
1177  *  Writes a byte or word to the NVM using the flash access registers.
1178  **/
1179 static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
1180                                    u16 *data)
1181 {
1182         struct e1000_nvm_info *nvm = &hw->nvm;
1183         struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
1184         s32 ret_val;
1185         u16 i;
1186
1187         if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
1188             (words == 0)) {
1189                 hw_dbg(hw, "nvm parameter(s) out of bounds\n");
1190                 return -E1000_ERR_NVM;
1191         }
1192
1193         ret_val = e1000_acquire_swflag_ich8lan(hw);
1194         if (ret_val)
1195                 return ret_val;
1196
1197         for (i = 0; i < words; i++) {
1198                 dev_spec->shadow_ram[offset+i].modified = 1;
1199                 dev_spec->shadow_ram[offset+i].value = data[i];
1200         }
1201
1202         e1000_release_swflag_ich8lan(hw);
1203
1204         return 0;
1205 }
1206
1207 /**
1208  *  e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM
1209  *  @hw: pointer to the HW structure
1210  *
1211  *  The NVM checksum is updated by calling the generic update_nvm_checksum,
1212  *  which writes the checksum to the shadow ram.  The changes in the shadow
1213  *  ram are then committed to the EEPROM by processing each bank at a time
1214  *  checking for the modified bit and writing only the pending changes.
1215  *  After a successful commit, the shadow ram is cleared and is ready for
1216  *  future writes.
1217  **/
1218 static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
1219 {
1220         struct e1000_nvm_info *nvm = &hw->nvm;
1221         struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
1222         u32 i, act_offset, new_bank_offset, old_bank_offset;
1223         s32 ret_val;
1224         u16 data;
1225
1226         ret_val = e1000e_update_nvm_checksum_generic(hw);
1227         if (ret_val)
1228                 return ret_val;
1229
1230         if (nvm->type != e1000_nvm_flash_sw)
1231                 return ret_val;
1232
1233         ret_val = e1000_acquire_swflag_ich8lan(hw);
1234         if (ret_val)
1235                 return ret_val;
1236
1237         /*
1238          * We're writing to the opposite bank so if we're on bank 1,
1239          * write to bank 0 etc.  We also need to erase the segment that
1240          * is going to be written
1241          */
1242         if (!(er32(EECD) & E1000_EECD_SEC1VAL)) {
1243                 new_bank_offset = nvm->flash_bank_size;
1244                 old_bank_offset = 0;
1245                 e1000_erase_flash_bank_ich8lan(hw, 1);
1246         } else {
1247                 old_bank_offset = nvm->flash_bank_size;
1248                 new_bank_offset = 0;
1249                 e1000_erase_flash_bank_ich8lan(hw, 0);
1250         }
1251
1252         for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
1253                 /*
1254                  * Determine whether to write the value stored
1255                  * in the other NVM bank or a modified value stored
1256                  * in the shadow RAM
1257                  */
1258                 if (dev_spec->shadow_ram[i].modified) {
1259                         data = dev_spec->shadow_ram[i].value;
1260                 } else {
1261                         e1000_read_flash_word_ich8lan(hw,
1262                                                       i + old_bank_offset,
1263                                                       &data);
1264                 }
1265
1266                 /*
1267                  * If the word is 0x13, then make sure the signature bits
1268                  * (15:14) are 11b until the commit has completed.
1269                  * This will allow us to write 10b which indicates the
1270                  * signature is valid.  We want to do this after the write
1271                  * has completed so that we don't mark the segment valid
1272                  * while the write is still in progress
1273                  */
1274                 if (i == E1000_ICH_NVM_SIG_WORD)
1275                         data |= E1000_ICH_NVM_SIG_MASK;
1276
1277                 /* Convert offset to bytes. */
1278                 act_offset = (i + new_bank_offset) << 1;
1279
1280                 udelay(100);
1281                 /* Write the bytes to the new bank. */
1282                 ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
1283                                                                act_offset,
1284                                                                (u8)data);
1285                 if (ret_val)
1286                         break;
1287
1288                 udelay(100);
1289                 ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
1290                                                           act_offset + 1,
1291                                                           (u8)(data >> 8));
1292                 if (ret_val)
1293                         break;
1294         }
1295
1296         /*
1297          * Don't bother writing the segment valid bits if sector
1298          * programming failed.
1299          */
1300         if (ret_val) {
1301                 /* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
1302                 hw_dbg(hw, "Flash commit failed.\n");
1303                 e1000_release_swflag_ich8lan(hw);
1304                 return ret_val;
1305         }
1306
1307         /*
1308          * Finally validate the new segment by setting bit 15:14
1309          * to 10b in word 0x13 , this can be done without an
1310          * erase as well since these bits are 11 to start with
1311          * and we need to change bit 14 to 0b
1312          */
1313         act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
1314         e1000_read_flash_word_ich8lan(hw, act_offset, &data);
1315         data &= 0xBFFF;
1316         ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
1317                                                        act_offset * 2 + 1,
1318                                                        (u8)(data >> 8));
1319         if (ret_val) {
1320                 e1000_release_swflag_ich8lan(hw);
1321                 return ret_val;
1322         }
1323
1324         /*
1325          * And invalidate the previously valid segment by setting
1326          * its signature word (0x13) high_byte to 0b. This can be
1327          * done without an erase because flash erase sets all bits
1328          * to 1's. We can write 1's to 0's without an erase
1329          */
1330         act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
1331         ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
1332         if (ret_val) {
1333                 e1000_release_swflag_ich8lan(hw);
1334                 return ret_val;
1335         }
1336
1337         /* Great!  Everything worked, we can now clear the cached entries. */
1338         for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
1339                 dev_spec->shadow_ram[i].modified = 0;
1340                 dev_spec->shadow_ram[i].value = 0xFFFF;
1341         }
1342
1343         e1000_release_swflag_ich8lan(hw);
1344
1345         /*
1346          * Reload the EEPROM, or else modifications will not appear
1347          * until after the next adapter reset.
1348          */
1349         e1000e_reload_nvm(hw);
1350         msleep(10);
1351
1352         return ret_val;
1353 }
1354
1355 /**
1356  *  e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum
1357  *  @hw: pointer to the HW structure
1358  *
1359  *  Check to see if checksum needs to be fixed by reading bit 6 in word 0x19.
1360  *  If the bit is 0, that the EEPROM had been modified, but the checksum was not
1361  *  calculated, in which case we need to calculate the checksum and set bit 6.
1362  **/
1363 static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
1364 {
1365         s32 ret_val;
1366         u16 data;
1367
1368         /*
1369          * Read 0x19 and check bit 6.  If this bit is 0, the checksum
1370          * needs to be fixed.  This bit is an indication that the NVM
1371          * was prepared by OEM software and did not calculate the
1372          * checksum...a likely scenario.
1373          */
1374         ret_val = e1000_read_nvm(hw, 0x19, 1, &data);
1375         if (ret_val)
1376                 return ret_val;
1377
1378         if ((data & 0x40) == 0) {
1379                 data |= 0x40;
1380                 ret_val = e1000_write_nvm(hw, 0x19, 1, &data);
1381                 if (ret_val)
1382                         return ret_val;
1383                 ret_val = e1000e_update_nvm_checksum(hw);
1384                 if (ret_val)
1385                         return ret_val;
1386         }
1387
1388         return e1000e_validate_nvm_checksum_generic(hw);
1389 }
1390
1391 /**
1392  *  e1000e_write_protect_nvm_ich8lan - Make the NVM read-only
1393  *  @hw: pointer to the HW structure
1394  *
1395  *  To prevent malicious write/erase of the NVM, set it to be read-only
1396  *  so that the hardware ignores all write/erase cycles of the NVM via
1397  *  the flash control registers.  The shadow-ram copy of the NVM will
1398  *  still be updated, however any updates to this copy will not stick
1399  *  across driver reloads.
1400  **/
1401 void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
1402 {
1403         union ich8_flash_protected_range pr0;
1404         union ich8_hws_flash_status hsfsts;
1405         u32 gfpreg;
1406         s32 ret_val;
1407
1408         ret_val = e1000_acquire_swflag_ich8lan(hw);
1409         if (ret_val)
1410                 return;
1411
1412         gfpreg = er32flash(ICH_FLASH_GFPREG);
1413
1414         /* Write-protect GbE Sector of NVM */
1415         pr0.regval = er32flash(ICH_FLASH_PR0);
1416         pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK;
1417         pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK);
1418         pr0.range.wpe = true;
1419         ew32flash(ICH_FLASH_PR0, pr0.regval);
1420
1421         /*
1422          * Lock down a subset of GbE Flash Control Registers, e.g.
1423          * PR0 to prevent the write-protection from being lifted.
1424          * Once FLOCKDN is set, the registers protected by it cannot
1425          * be written until FLOCKDN is cleared by a hardware reset.
1426          */
1427         hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
1428         hsfsts.hsf_status.flockdn = true;
1429         ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval);
1430
1431         e1000_release_swflag_ich8lan(hw);
1432 }
1433
1434 /**
1435  *  e1000_write_flash_data_ich8lan - Writes bytes to the NVM
1436  *  @hw: pointer to the HW structure
1437  *  @offset: The offset (in bytes) of the byte/word to read.
1438  *  @size: Size of data to read, 1=byte 2=word
1439  *  @data: The byte(s) to write to the NVM.
1440  *
1441  *  Writes one/two bytes to the NVM using the flash access registers.
1442  **/
1443 static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
1444                                           u8 size, u16 data)
1445 {
1446         union ich8_hws_flash_status hsfsts;
1447         union ich8_hws_flash_ctrl hsflctl;
1448         u32 flash_linear_addr;
1449         u32 flash_data = 0;
1450         s32 ret_val;
1451         u8 count = 0;
1452
1453         if (size < 1 || size > 2 || data > size * 0xff ||
1454             offset > ICH_FLASH_LINEAR_ADDR_MASK)
1455                 return -E1000_ERR_NVM;
1456
1457         flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
1458                             hw->nvm.flash_base_addr;
1459
1460         do {
1461                 udelay(1);
1462                 /* Steps */
1463                 ret_val = e1000_flash_cycle_init_ich8lan(hw);
1464                 if (ret_val)
1465                         break;
1466
1467                 hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
1468                 /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
1469                 hsflctl.hsf_ctrl.fldbcount = size -1;
1470                 hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
1471                 ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
1472
1473                 ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
1474
1475                 if (size == 1)
1476                         flash_data = (u32)data & 0x00FF;
1477                 else
1478                         flash_data = (u32)data;
1479
1480                 ew32flash(ICH_FLASH_FDATA0, flash_data);
1481
1482                 /*
1483                  * check if FCERR is set to 1 , if set to 1, clear it
1484                  * and try the whole sequence a few more times else done
1485                  */
1486                 ret_val = e1000_flash_cycle_ich8lan(hw,
1487                                                ICH_FLASH_WRITE_COMMAND_TIMEOUT);
1488                 if (!ret_val)
1489                         break;
1490
1491                 /*
1492                  * If we're here, then things are most likely
1493                  * completely hosed, but if the error condition
1494                  * is detected, it won't hurt to give it another
1495                  * try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
1496                  */
1497                 hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
1498                 if (hsfsts.hsf_status.flcerr == 1)
1499                         /* Repeat for some time before giving up. */
1500                         continue;
1501                 if (hsfsts.hsf_status.flcdone == 0) {
1502                         hw_dbg(hw, "Timeout error - flash cycle "
1503                                  "did not complete.");
1504                         break;
1505                 }
1506         } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
1507
1508         return ret_val;
1509 }
1510
1511 /**
1512  *  e1000_write_flash_byte_ich8lan - Write a single byte to NVM
1513  *  @hw: pointer to the HW structure
1514  *  @offset: The index of the byte to read.
1515  *  @data: The byte to write to the NVM.
1516  *
1517  *  Writes a single byte to the NVM using the flash access registers.
1518  **/
1519 static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
1520                                           u8 data)
1521 {
1522         u16 word = (u16)data;
1523
1524         return e1000_write_flash_data_ich8lan(hw, offset, 1, word);
1525 }
1526
1527 /**
1528  *  e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM
1529  *  @hw: pointer to the HW structure
1530  *  @offset: The offset of the byte to write.
1531  *  @byte: The byte to write to the NVM.
1532  *
1533  *  Writes a single byte to the NVM using the flash access registers.
1534  *  Goes through a retry algorithm before giving up.
1535  **/
1536 static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
1537                                                 u32 offset, u8 byte)
1538 {
1539         s32 ret_val;
1540         u16 program_retries;
1541
1542         ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
1543         if (!ret_val)
1544                 return ret_val;
1545
1546         for (program_retries = 0; program_retries < 100; program_retries++) {
1547                 hw_dbg(hw, "Retrying Byte %2.2X at offset %u\n", byte, offset);
1548                 udelay(100);
1549                 ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
1550                 if (!ret_val)
1551                         break;
1552         }
1553         if (program_retries == 100)
1554                 return -E1000_ERR_NVM;
1555
1556         return 0;
1557 }
1558
1559 /**
1560  *  e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM
1561  *  @hw: pointer to the HW structure
1562  *  @bank: 0 for first bank, 1 for second bank, etc.
1563  *
1564  *  Erases the bank specified. Each bank is a 4k block. Banks are 0 based.
1565  *  bank N is 4096 * N + flash_reg_addr.
1566  **/
1567 static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
1568 {
1569         struct e1000_nvm_info *nvm = &hw->nvm;
1570         union ich8_hws_flash_status hsfsts;
1571         union ich8_hws_flash_ctrl hsflctl;
1572         u32 flash_linear_addr;
1573         /* bank size is in 16bit words - adjust to bytes */
1574         u32 flash_bank_size = nvm->flash_bank_size * 2;
1575         s32 ret_val;
1576         s32 count = 0;
1577         s32 iteration;
1578         s32 sector_size;
1579         s32 j;
1580
1581         hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
1582
1583         /*
1584          * Determine HW Sector size: Read BERASE bits of hw flash status
1585          * register
1586          * 00: The Hw sector is 256 bytes, hence we need to erase 16
1587          *     consecutive sectors.  The start index for the nth Hw sector
1588          *     can be calculated as = bank * 4096 + n * 256
1589          * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector.
1590          *     The start index for the nth Hw sector can be calculated
1591          *     as = bank * 4096
1592          * 10: The Hw sector is 8K bytes, nth sector = bank * 8192
1593          *     (ich9 only, otherwise error condition)
1594          * 11: The Hw sector is 64K bytes, nth sector = bank * 65536
1595          */
1596         switch (hsfsts.hsf_status.berasesz) {
1597         case 0:
1598                 /* Hw sector size 256 */
1599                 sector_size = ICH_FLASH_SEG_SIZE_256;
1600                 iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256;
1601                 break;
1602         case 1:
1603                 sector_size = ICH_FLASH_SEG_SIZE_4K;
1604                 iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_4K;
1605                 break;
1606         case 2:
1607                 if (hw->mac.type == e1000_ich9lan) {
1608                         sector_size = ICH_FLASH_SEG_SIZE_8K;
1609                         iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_8K;
1610                 } else {
1611                         return -E1000_ERR_NVM;
1612                 }
1613                 break;
1614         case 3:
1615                 sector_size = ICH_FLASH_SEG_SIZE_64K;
1616                 iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_64K;
1617                 break;
1618         default:
1619                 return -E1000_ERR_NVM;
1620         }
1621
1622         /* Start with the base address, then add the sector offset. */
1623         flash_linear_addr = hw->nvm.flash_base_addr;
1624         flash_linear_addr += (bank) ? (sector_size * iteration) : 0;
1625
1626         for (j = 0; j < iteration ; j++) {
1627                 do {
1628                         /* Steps */
1629                         ret_val = e1000_flash_cycle_init_ich8lan(hw);
1630                         if (ret_val)
1631                                 return ret_val;
1632
1633                         /*
1634                          * Write a value 11 (block Erase) in Flash
1635                          * Cycle field in hw flash control
1636                          */
1637                         hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
1638                         hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
1639                         ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
1640
1641                         /*
1642                          * Write the last 24 bits of an index within the
1643                          * block into Flash Linear address field in Flash
1644                          * Address.
1645                          */
1646                         flash_linear_addr += (j * sector_size);
1647                         ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
1648
1649                         ret_val = e1000_flash_cycle_ich8lan(hw,
1650                                                ICH_FLASH_ERASE_COMMAND_TIMEOUT);
1651                         if (ret_val == 0)
1652                                 break;
1653
1654                         /*
1655                          * Check if FCERR is set to 1.  If 1,
1656                          * clear it and try the whole sequence
1657                          * a few more times else Done
1658                          */
1659                         hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
1660                         if (hsfsts.hsf_status.flcerr == 1)
1661                                 /* repeat for some time before giving up */
1662                                 continue;
1663                         else if (hsfsts.hsf_status.flcdone == 0)
1664                                 return ret_val;
1665                 } while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT);
1666         }
1667
1668         return 0;
1669 }
1670
1671 /**
1672  *  e1000_valid_led_default_ich8lan - Set the default LED settings
1673  *  @hw: pointer to the HW structure
1674  *  @data: Pointer to the LED settings
1675  *
1676  *  Reads the LED default settings from the NVM to data.  If the NVM LED
1677  *  settings is all 0's or F's, set the LED default to a valid LED default
1678  *  setting.
1679  **/
1680 static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
1681 {
1682         s32 ret_val;
1683
1684         ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
1685         if (ret_val) {
1686                 hw_dbg(hw, "NVM Read Error\n");
1687                 return ret_val;
1688         }
1689
1690         if (*data == ID_LED_RESERVED_0000 ||
1691             *data == ID_LED_RESERVED_FFFF)
1692                 *data = ID_LED_DEFAULT_ICH8LAN;
1693
1694         return 0;
1695 }
1696
1697 /**
1698  *  e1000_get_bus_info_ich8lan - Get/Set the bus type and width
1699  *  @hw: pointer to the HW structure
1700  *
1701  *  ICH8 use the PCI Express bus, but does not contain a PCI Express Capability
1702  *  register, so the the bus width is hard coded.
1703  **/
1704 static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
1705 {
1706         struct e1000_bus_info *bus = &hw->bus;
1707         s32 ret_val;
1708
1709         ret_val = e1000e_get_bus_info_pcie(hw);
1710
1711         /*
1712          * ICH devices are "PCI Express"-ish.  They have
1713          * a configuration space, but do not contain
1714          * PCI Express Capability registers, so bus width
1715          * must be hardcoded.
1716          */
1717         if (bus->width == e1000_bus_width_unknown)
1718                 bus->width = e1000_bus_width_pcie_x1;
1719
1720         return ret_val;
1721 }
1722
1723 /**
1724  *  e1000_reset_hw_ich8lan - Reset the hardware
1725  *  @hw: pointer to the HW structure
1726  *
1727  *  Does a full reset of the hardware which includes a reset of the PHY and
1728  *  MAC.
1729  **/
1730 static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
1731 {
1732         u32 ctrl, icr, kab;
1733         s32 ret_val;
1734
1735         /*
1736          * Prevent the PCI-E bus from sticking if there is no TLP connection
1737          * on the last TLP read/write transaction when MAC is reset.
1738          */
1739         ret_val = e1000e_disable_pcie_master(hw);
1740         if (ret_val) {
1741                 hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
1742         }
1743
1744         hw_dbg(hw, "Masking off all interrupts\n");
1745         ew32(IMC, 0xffffffff);
1746
1747         /*
1748          * Disable the Transmit and Receive units.  Then delay to allow
1749          * any pending transactions to complete before we hit the MAC
1750          * with the global reset.
1751          */
1752         ew32(RCTL, 0);
1753         ew32(TCTL, E1000_TCTL_PSP);
1754         e1e_flush();
1755
1756         msleep(10);
1757
1758         /* Workaround for ICH8 bit corruption issue in FIFO memory */
1759         if (hw->mac.type == e1000_ich8lan) {
1760                 /* Set Tx and Rx buffer allocation to 8k apiece. */
1761                 ew32(PBA, E1000_PBA_8K);
1762                 /* Set Packet Buffer Size to 16k. */
1763                 ew32(PBS, E1000_PBS_16K);
1764         }
1765
1766         ctrl = er32(CTRL);
1767
1768         if (!e1000_check_reset_block(hw)) {
1769                 /*
1770                  * PHY HW reset requires MAC CORE reset at the same
1771                  * time to make sure the interface between MAC and the
1772                  * external PHY is reset.
1773                  */
1774                 ctrl |= E1000_CTRL_PHY_RST;
1775         }
1776         ret_val = e1000_acquire_swflag_ich8lan(hw);
1777         hw_dbg(hw, "Issuing a global reset to ich8lan");
1778         ew32(CTRL, (ctrl | E1000_CTRL_RST));
1779         msleep(20);
1780
1781         /* release the swflag because it is not reset by hardware reset */
1782         e1000_release_swflag_ich8lan(hw);
1783
1784         ret_val = e1000e_get_auto_rd_done(hw);
1785         if (ret_val) {
1786                 /*
1787                  * When auto config read does not complete, do not
1788                  * return with an error. This can happen in situations
1789                  * where there is no eeprom and prevents getting link.
1790                  */
1791                 hw_dbg(hw, "Auto Read Done did not complete\n");
1792         }
1793
1794         ew32(IMC, 0xffffffff);
1795         icr = er32(ICR);
1796
1797         kab = er32(KABGTXD);
1798         kab |= E1000_KABGTXD_BGSQLBIAS;
1799         ew32(KABGTXD, kab);
1800
1801         return ret_val;
1802 }
1803
1804 /**
1805  *  e1000_init_hw_ich8lan - Initialize the hardware
1806  *  @hw: pointer to the HW structure
1807  *
1808  *  Prepares the hardware for transmit and receive by doing the following:
1809  *   - initialize hardware bits
1810  *   - initialize LED identification
1811  *   - setup receive address registers
1812  *   - setup flow control
1813  *   - setup transmit descriptors
1814  *   - clear statistics
1815  **/
1816 static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
1817 {
1818         struct e1000_mac_info *mac = &hw->mac;
1819         u32 ctrl_ext, txdctl, snoop;
1820         s32 ret_val;
1821         u16 i;
1822
1823         e1000_initialize_hw_bits_ich8lan(hw);
1824
1825         /* Initialize identification LED */
1826         ret_val = e1000e_id_led_init(hw);
1827         if (ret_val) {
1828                 hw_dbg(hw, "Error initializing identification LED\n");
1829                 return ret_val;
1830         }
1831
1832         /* Setup the receive address. */
1833         e1000e_init_rx_addrs(hw, mac->rar_entry_count);
1834
1835         /* Zero out the Multicast HASH table */
1836         hw_dbg(hw, "Zeroing the MTA\n");
1837         for (i = 0; i < mac->mta_reg_count; i++)
1838                 E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
1839
1840         /* Setup link and flow control */
1841         ret_val = e1000_setup_link_ich8lan(hw);
1842
1843         /* Set the transmit descriptor write-back policy for both queues */
1844         txdctl = er32(TXDCTL(0));
1845         txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
1846                  E1000_TXDCTL_FULL_TX_DESC_WB;
1847         txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
1848                  E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
1849         ew32(TXDCTL(0), txdctl);
1850         txdctl = er32(TXDCTL(1));
1851         txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
1852                  E1000_TXDCTL_FULL_TX_DESC_WB;
1853         txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
1854                  E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
1855         ew32(TXDCTL(1), txdctl);
1856
1857         /*
1858          * ICH8 has opposite polarity of no_snoop bits.
1859          * By default, we should use snoop behavior.
1860          */
1861         if (mac->type == e1000_ich8lan)
1862                 snoop = PCIE_ICH8_SNOOP_ALL;
1863         else
1864                 snoop = (u32) ~(PCIE_NO_SNOOP_ALL);
1865         e1000e_set_pcie_no_snoop(hw, snoop);
1866
1867         ctrl_ext = er32(CTRL_EXT);
1868         ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
1869         ew32(CTRL_EXT, ctrl_ext);
1870
1871         /*
1872          * Clear all of the statistics registers (clear on read).  It is
1873          * important that we do this after we have tried to establish link
1874          * because the symbol error count will increment wildly if there
1875          * is no link.
1876          */
1877         e1000_clear_hw_cntrs_ich8lan(hw);
1878
1879         return 0;
1880 }
1881 /**
1882  *  e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits
1883  *  @hw: pointer to the HW structure
1884  *
1885  *  Sets/Clears required hardware bits necessary for correctly setting up the
1886  *  hardware for transmit and receive.
1887  **/
1888 static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
1889 {
1890         u32 reg;
1891
1892         /* Extended Device Control */
1893         reg = er32(CTRL_EXT);
1894         reg |= (1 << 22);
1895         ew32(CTRL_EXT, reg);
1896
1897         /* Transmit Descriptor Control 0 */
1898         reg = er32(TXDCTL(0));
1899         reg |= (1 << 22);
1900         ew32(TXDCTL(0), reg);
1901
1902         /* Transmit Descriptor Control 1 */
1903         reg = er32(TXDCTL(1));
1904         reg |= (1 << 22);
1905         ew32(TXDCTL(1), reg);
1906
1907         /* Transmit Arbitration Control 0 */
1908         reg = er32(TARC(0));
1909         if (hw->mac.type == e1000_ich8lan)
1910                 reg |= (1 << 28) | (1 << 29);
1911         reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27);
1912         ew32(TARC(0), reg);
1913
1914         /* Transmit Arbitration Control 1 */
1915         reg = er32(TARC(1));
1916         if (er32(TCTL) & E1000_TCTL_MULR)
1917                 reg &= ~(1 << 28);
1918         else
1919                 reg |= (1 << 28);
1920         reg |= (1 << 24) | (1 << 26) | (1 << 30);
1921         ew32(TARC(1), reg);
1922
1923         /* Device Status */
1924         if (hw->mac.type == e1000_ich8lan) {
1925                 reg = er32(STATUS);
1926                 reg &= ~(1 << 31);
1927                 ew32(STATUS, reg);
1928         }
1929 }
1930
1931 /**
1932  *  e1000_setup_link_ich8lan - Setup flow control and link settings
1933  *  @hw: pointer to the HW structure
1934  *
1935  *  Determines which flow control settings to use, then configures flow
1936  *  control.  Calls the appropriate media-specific link configuration
1937  *  function.  Assuming the adapter has a valid link partner, a valid link
1938  *  should be established.  Assumes the hardware has previously been reset
1939  *  and the transmitter and receiver are not enabled.
1940  **/
1941 static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
1942 {
1943         s32 ret_val;
1944
1945         if (e1000_check_reset_block(hw))
1946                 return 0;
1947
1948         /*
1949          * ICH parts do not have a word in the NVM to determine
1950          * the default flow control setting, so we explicitly
1951          * set it to full.
1952          */
1953         if (hw->fc.type == e1000_fc_default)
1954                 hw->fc.type = e1000_fc_full;
1955
1956         hw->fc.original_type = hw->fc.type;
1957
1958         hw_dbg(hw, "After fix-ups FlowControl is now = %x\n", hw->fc.type);
1959
1960         /* Continue to configure the copper link. */
1961         ret_val = e1000_setup_copper_link_ich8lan(hw);
1962         if (ret_val)
1963                 return ret_val;
1964
1965         ew32(FCTTV, hw->fc.pause_time);
1966
1967         return e1000e_set_fc_watermarks(hw);
1968 }
1969
1970 /**
1971  *  e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface
1972  *  @hw: pointer to the HW structure
1973  *
1974  *  Configures the kumeran interface to the PHY to wait the appropriate time
1975  *  when polling the PHY, then call the generic setup_copper_link to finish
1976  *  configuring the copper link.
1977  **/
1978 static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
1979 {
1980         u32 ctrl;
1981         s32 ret_val;
1982         u16 reg_data;
1983
1984         ctrl = er32(CTRL);
1985         ctrl |= E1000_CTRL_SLU;
1986         ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
1987         ew32(CTRL, ctrl);
1988
1989         /*
1990          * Set the mac to wait the maximum time between each iteration
1991          * and increase the max iterations when polling the phy;
1992          * this fixes erroneous timeouts at 10Mbps.
1993          */
1994         ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF);
1995         if (ret_val)
1996                 return ret_val;
1997         ret_val = e1000e_read_kmrn_reg(hw, GG82563_REG(0x34, 9), &reg_data);
1998         if (ret_val)
1999                 return ret_val;
2000         reg_data |= 0x3F;
2001         ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 9), reg_data);
2002         if (ret_val)
2003                 return ret_val;
2004
2005         if (hw->phy.type == e1000_phy_igp_3) {
2006                 ret_val = e1000e_copper_link_setup_igp(hw);
2007                 if (ret_val)
2008                         return ret_val;
2009         } else if (hw->phy.type == e1000_phy_bm) {
2010                 ret_val = e1000e_copper_link_setup_m88(hw);
2011                 if (ret_val)
2012                         return ret_val;
2013         }
2014
2015         if (hw->phy.type == e1000_phy_ife) {
2016                 ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &reg_data);
2017                 if (ret_val)
2018                         return ret_val;
2019
2020                 reg_data &= ~IFE_PMC_AUTO_MDIX;
2021
2022                 switch (hw->phy.mdix) {
2023                 case 1:
2024                         reg_data &= ~IFE_PMC_FORCE_MDIX;
2025                         break;
2026                 case 2:
2027                         reg_data |= IFE_PMC_FORCE_MDIX;
2028                         break;
2029                 case 0:
2030                 default:
2031                         reg_data |= IFE_PMC_AUTO_MDIX;
2032                         break;
2033                 }
2034                 ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, reg_data);
2035                 if (ret_val)
2036                         return ret_val;
2037         }
2038         return e1000e_setup_copper_link(hw);
2039 }
2040
2041 /**
2042  *  e1000_get_link_up_info_ich8lan - Get current link speed and duplex
2043  *  @hw: pointer to the HW structure
2044  *  @speed: pointer to store current link speed
2045  *  @duplex: pointer to store the current link duplex
2046  *
2047  *  Calls the generic get_speed_and_duplex to retrieve the current link
2048  *  information and then calls the Kumeran lock loss workaround for links at
2049  *  gigabit speeds.
2050  **/
2051 static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed,
2052                                           u16 *duplex)
2053 {
2054         s32 ret_val;
2055
2056         ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex);
2057         if (ret_val)
2058                 return ret_val;
2059
2060         if ((hw->mac.type == e1000_ich8lan) &&
2061             (hw->phy.type == e1000_phy_igp_3) &&
2062             (*speed == SPEED_1000)) {
2063                 ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw);
2064         }
2065
2066         return ret_val;
2067 }
2068
2069 /**
2070  *  e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround
2071  *  @hw: pointer to the HW structure
2072  *
2073  *  Work-around for 82566 Kumeran PCS lock loss:
2074  *  On link status change (i.e. PCI reset, speed change) and link is up and
2075  *  speed is gigabit-
2076  *    0) if workaround is optionally disabled do nothing
2077  *    1) wait 1ms for Kumeran link to come up
2078  *    2) check Kumeran Diagnostic register PCS lock loss bit
2079  *    3) if not set the link is locked (all is good), otherwise...
2080  *    4) reset the PHY
2081  *    5) repeat up to 10 times
2082  *  Note: this is only called for IGP3 copper when speed is 1gb.
2083  **/
2084 static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw)
2085 {
2086         struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
2087         u32 phy_ctrl;
2088         s32 ret_val;
2089         u16 i, data;
2090         bool link;
2091
2092         if (!dev_spec->kmrn_lock_loss_workaround_enabled)
2093                 return 0;
2094
2095         /*
2096          * Make sure link is up before proceeding.  If not just return.
2097          * Attempting this while link is negotiating fouled up link
2098          * stability
2099          */
2100         ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
2101         if (!link)
2102                 return 0;
2103
2104         for (i = 0; i < 10; i++) {
2105                 /* read once to clear */
2106                 ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data);
2107                 if (ret_val)
2108                         return ret_val;
2109                 /* and again to get new status */
2110                 ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data);
2111                 if (ret_val)
2112                         return ret_val;
2113
2114                 /* check for PCS lock */
2115                 if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS))
2116                         return 0;
2117
2118                 /* Issue PHY reset */
2119                 e1000_phy_hw_reset(hw);
2120                 mdelay(5);
2121         }
2122         /* Disable GigE link negotiation */
2123         phy_ctrl = er32(PHY_CTRL);
2124         phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE |
2125                      E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
2126         ew32(PHY_CTRL, phy_ctrl);
2127
2128         /*
2129          * Call gig speed drop workaround on Gig disable before accessing
2130          * any PHY registers
2131          */
2132         e1000e_gig_downshift_workaround_ich8lan(hw);
2133
2134         /* unable to acquire PCS lock */
2135         return -E1000_ERR_PHY;
2136 }
2137
2138 /**
2139  *  e1000_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state
2140  *  @hw: pointer to the HW structure
2141  *  @state: boolean value used to set the current Kumeran workaround state
2142  *
2143  *  If ICH8, set the current Kumeran workaround state (enabled - TRUE
2144  *  /disabled - FALSE).
2145  **/
2146 void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
2147                                                  bool state)
2148 {
2149         struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
2150
2151         if (hw->mac.type != e1000_ich8lan) {
2152                 hw_dbg(hw, "Workaround applies to ICH8 only.\n");
2153                 return;
2154         }
2155
2156         dev_spec->kmrn_lock_loss_workaround_enabled = state;
2157 }
2158
2159 /**
2160  *  e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3
2161  *  @hw: pointer to the HW structure
2162  *
2163  *  Workaround for 82566 power-down on D3 entry:
2164  *    1) disable gigabit link
2165  *    2) write VR power-down enable
2166  *    3) read it back
2167  *  Continue if successful, else issue LCD reset and repeat
2168  **/
2169 void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw)
2170 {
2171         u32 reg;
2172         u16 data;
2173         u8  retry = 0;
2174
2175         if (hw->phy.type != e1000_phy_igp_3)
2176                 return;
2177
2178         /* Try the workaround twice (if needed) */
2179         do {
2180                 /* Disable link */
2181                 reg = er32(PHY_CTRL);
2182                 reg |= (E1000_PHY_CTRL_GBE_DISABLE |
2183                         E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
2184                 ew32(PHY_CTRL, reg);
2185
2186                 /*
2187                  * Call gig speed drop workaround on Gig disable before
2188                  * accessing any PHY registers
2189                  */
2190                 if (hw->mac.type == e1000_ich8lan)
2191                         e1000e_gig_downshift_workaround_ich8lan(hw);
2192
2193                 /* Write VR power-down enable */
2194                 e1e_rphy(hw, IGP3_VR_CTRL, &data);
2195                 data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
2196                 e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN);
2197
2198                 /* Read it back and test */
2199                 e1e_rphy(hw, IGP3_VR_CTRL, &data);
2200                 data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
2201                 if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry)
2202                         break;
2203
2204                 /* Issue PHY reset and repeat at most one more time */
2205                 reg = er32(CTRL);
2206                 ew32(CTRL, reg | E1000_CTRL_PHY_RST);
2207                 retry++;
2208         } while (retry);
2209 }
2210
2211 /**
2212  *  e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working
2213  *  @hw: pointer to the HW structure
2214  *
2215  *  Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC),
2216  *  LPLU, Gig disable, MDIC PHY reset):
2217  *    1) Set Kumeran Near-end loopback
2218  *    2) Clear Kumeran Near-end loopback
2219  *  Should only be called for ICH8[m] devices with IGP_3 Phy.
2220  **/
2221 void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
2222 {
2223         s32 ret_val;
2224         u16 reg_data;
2225
2226         if ((hw->mac.type != e1000_ich8lan) ||
2227             (hw->phy.type != e1000_phy_igp_3))
2228                 return;
2229
2230         ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
2231                                       &reg_data);
2232         if (ret_val)
2233                 return;
2234         reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK;
2235         ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
2236                                        reg_data);
2237         if (ret_val)
2238                 return;
2239         reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK;
2240         ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
2241                                        reg_data);
2242 }
2243
2244 /**
2245  *  e1000e_disable_gig_wol_ich8lan - disable gig during WoL
2246  *  @hw: pointer to the HW structure
2247  *
2248  *  During S0 to Sx transition, it is possible the link remains at gig
2249  *  instead of negotiating to a lower speed.  Before going to Sx, set
2250  *  'LPLU Enabled' and 'Gig Disable' to force link speed negotiation
2251  *  to a lower speed.
2252  *
2253  *  Should only be called for ICH9 devices.
2254  **/
2255 void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw)
2256 {
2257         u32 phy_ctrl;
2258
2259         if (hw->mac.type == e1000_ich9lan) {
2260                 phy_ctrl = er32(PHY_CTRL);
2261                 phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU |
2262                             E1000_PHY_CTRL_GBE_DISABLE;
2263                 ew32(PHY_CTRL, phy_ctrl);
2264         }
2265
2266         return;
2267 }
2268
2269 /**
2270  *  e1000_cleanup_led_ich8lan - Restore the default LED operation
2271  *  @hw: pointer to the HW structure
2272  *
2273  *  Return the LED back to the default configuration.
2274  **/
2275 static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw)
2276 {
2277         if (hw->phy.type == e1000_phy_ife)
2278                 return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
2279
2280         ew32(LEDCTL, hw->mac.ledctl_default);
2281         return 0;
2282 }
2283
2284 /**
2285  *  e1000_led_on_ich8lan - Turn LEDs on
2286  *  @hw: pointer to the HW structure
2287  *
2288  *  Turn on the LEDs.
2289  **/
2290 static s32 e1000_led_on_ich8lan(struct e1000_hw *hw)
2291 {
2292         if (hw->phy.type == e1000_phy_ife)
2293                 return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED,
2294                                 (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON));
2295
2296         ew32(LEDCTL, hw->mac.ledctl_mode2);
2297         return 0;
2298 }
2299
2300 /**
2301  *  e1000_led_off_ich8lan - Turn LEDs off
2302  *  @hw: pointer to the HW structure
2303  *
2304  *  Turn off the LEDs.
2305  **/
2306 static s32 e1000_led_off_ich8lan(struct e1000_hw *hw)
2307 {
2308         if (hw->phy.type == e1000_phy_ife)
2309                 return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED,
2310                                (IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_OFF));
2311
2312         ew32(LEDCTL, hw->mac.ledctl_mode1);
2313         return 0;
2314 }
2315
2316 /**
2317  *  e1000_clear_hw_cntrs_ich8lan - Clear statistical counters
2318  *  @hw: pointer to the HW structure
2319  *
2320  *  Clears hardware counters specific to the silicon family and calls
2321  *  clear_hw_cntrs_generic to clear all general purpose counters.
2322  **/
2323 static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
2324 {
2325         u32 temp;
2326
2327         e1000e_clear_hw_cntrs_base(hw);
2328
2329         temp = er32(ALGNERRC);
2330         temp = er32(RXERRC);
2331         temp = er32(TNCRS);
2332         temp = er32(CEXTERR);
2333         temp = er32(TSCTC);
2334         temp = er32(TSCTFC);
2335
2336         temp = er32(MGTPRC);
2337         temp = er32(MGTPDC);
2338         temp = er32(MGTPTC);
2339
2340         temp = er32(IAC);
2341         temp = er32(ICRXOC);
2342
2343 }
2344
2345 static struct e1000_mac_operations ich8_mac_ops = {
2346         .mng_mode_enab          = E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT,
2347         .check_for_link         = e1000e_check_for_copper_link,
2348         .cleanup_led            = e1000_cleanup_led_ich8lan,
2349         .clear_hw_cntrs         = e1000_clear_hw_cntrs_ich8lan,
2350         .get_bus_info           = e1000_get_bus_info_ich8lan,
2351         .get_link_up_info       = e1000_get_link_up_info_ich8lan,
2352         .led_on                 = e1000_led_on_ich8lan,
2353         .led_off                = e1000_led_off_ich8lan,
2354         .update_mc_addr_list    = e1000e_update_mc_addr_list_generic,
2355         .reset_hw               = e1000_reset_hw_ich8lan,
2356         .init_hw                = e1000_init_hw_ich8lan,
2357         .setup_link             = e1000_setup_link_ich8lan,
2358         .setup_physical_interface= e1000_setup_copper_link_ich8lan,
2359 };
2360
2361 static struct e1000_phy_operations ich8_phy_ops = {
2362         .acquire_phy            = e1000_acquire_swflag_ich8lan,
2363         .check_reset_block      = e1000_check_reset_block_ich8lan,
2364         .commit_phy             = NULL,
2365         .force_speed_duplex     = e1000_phy_force_speed_duplex_ich8lan,
2366         .get_cfg_done           = e1000e_get_cfg_done,
2367         .get_cable_length       = e1000e_get_cable_length_igp_2,
2368         .get_phy_info           = e1000_get_phy_info_ich8lan,
2369         .read_phy_reg           = e1000e_read_phy_reg_igp,
2370         .release_phy            = e1000_release_swflag_ich8lan,
2371         .reset_phy              = e1000_phy_hw_reset_ich8lan,
2372         .set_d0_lplu_state      = e1000_set_d0_lplu_state_ich8lan,
2373         .set_d3_lplu_state      = e1000_set_d3_lplu_state_ich8lan,
2374         .write_phy_reg          = e1000e_write_phy_reg_igp,
2375 };
2376
2377 static struct e1000_nvm_operations ich8_nvm_ops = {
2378         .acquire_nvm            = e1000_acquire_swflag_ich8lan,
2379         .read_nvm               = e1000_read_nvm_ich8lan,
2380         .release_nvm            = e1000_release_swflag_ich8lan,
2381         .update_nvm             = e1000_update_nvm_checksum_ich8lan,
2382         .valid_led_default      = e1000_valid_led_default_ich8lan,
2383         .validate_nvm           = e1000_validate_nvm_checksum_ich8lan,
2384         .write_nvm              = e1000_write_nvm_ich8lan,
2385 };
2386
2387 struct e1000_info e1000_ich8_info = {
2388         .mac                    = e1000_ich8lan,
2389         .flags                  = FLAG_HAS_WOL
2390                                   | FLAG_IS_ICH
2391                                   | FLAG_RX_CSUM_ENABLED
2392                                   | FLAG_HAS_CTRLEXT_ON_LOAD
2393                                   | FLAG_HAS_AMT
2394                                   | FLAG_HAS_FLASH
2395                                   | FLAG_APME_IN_WUC,
2396         .pba                    = 8,
2397         .get_variants           = e1000_get_variants_ich8lan,
2398         .mac_ops                = &ich8_mac_ops,
2399         .phy_ops                = &ich8_phy_ops,
2400         .nvm_ops                = &ich8_nvm_ops,
2401 };
2402
2403 struct e1000_info e1000_ich9_info = {
2404         .mac                    = e1000_ich9lan,
2405         .flags                  = FLAG_HAS_JUMBO_FRAMES
2406                                   | FLAG_IS_ICH
2407                                   | FLAG_HAS_WOL
2408                                   | FLAG_RX_CSUM_ENABLED
2409                                   | FLAG_HAS_CTRLEXT_ON_LOAD
2410                                   | FLAG_HAS_AMT
2411                                   | FLAG_HAS_ERT
2412                                   | FLAG_HAS_FLASH
2413                                   | FLAG_APME_IN_WUC,
2414         .pba                    = 10,
2415         .get_variants           = e1000_get_variants_ich8lan,
2416         .mac_ops                = &ich8_mac_ops,
2417         .phy_ops                = &ich8_phy_ops,
2418         .nvm_ops                = &ich8_nvm_ops,
2419 };
2420