1 /******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2012 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 Linux NICS <linux.nics@intel.com> 24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 26 27 *******************************************************************************/ 28 29 /* 30 * 82571EB Gigabit Ethernet Controller 31 * 82571EB Gigabit Ethernet Controller (Copper) 32 * 82571EB Gigabit Ethernet Controller (Fiber) 33 * 82571EB Dual Port Gigabit Mezzanine Adapter 34 * 82571EB Quad Port Gigabit Mezzanine Adapter 35 * 82571PT Gigabit PT Quad Port Server ExpressModule 36 * 82572EI Gigabit Ethernet Controller (Copper) 37 * 82572EI Gigabit Ethernet Controller (Fiber) 38 * 82572EI Gigabit Ethernet Controller 39 * 82573V Gigabit Ethernet Controller (Copper) 40 * 82573E Gigabit Ethernet Controller (Copper) 41 * 82573L Gigabit Ethernet Controller 42 * 82574L Gigabit Network Connection 43 * 82583V Gigabit Network Connection 44 */ 45 46 #include "e1000.h" 47 48 #define ID_LED_RESERVED_F746 0xF746 49 #define ID_LED_DEFAULT_82573 ((ID_LED_DEF1_DEF2 << 12) | \ 50 (ID_LED_OFF1_ON2 << 8) | \ 51 (ID_LED_DEF1_DEF2 << 4) | \ 52 (ID_LED_DEF1_DEF2)) 53 54 #define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000 55 #define AN_RETRY_COUNT 5 /* Autoneg Retry Count value */ 56 #define E1000_BASE1000T_STATUS 10 57 #define E1000_IDLE_ERROR_COUNT_MASK 0xFF 58 #define E1000_RECEIVE_ERROR_COUNTER 21 59 #define E1000_RECEIVE_ERROR_MAX 0xFFFF 60 61 #define E1000_NVM_INIT_CTRL2_MNGM 0x6000 /* Manageability Operation Mode mask */ 62 63 static s32 e1000_get_phy_id_82571(struct e1000_hw *hw); 64 static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw); 65 static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw); 66 static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw); 67 static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, 68 u16 words, u16 *data); 69 static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw); 70 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw); 71 static s32 e1000_setup_link_82571(struct e1000_hw *hw); 72 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw); 73 static void e1000_clear_vfta_82571(struct e1000_hw *hw); 74 static bool e1000_check_mng_mode_82574(struct e1000_hw *hw); 75 static s32 e1000_led_on_82574(struct e1000_hw *hw); 76 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw); 77 static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw); 78 static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw); 79 static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw); 80 static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw); 81 static s32 e1000_set_d0_lplu_state_82574(struct e1000_hw *hw, bool active); 82 static s32 e1000_set_d3_lplu_state_82574(struct e1000_hw *hw, bool active); 83 84 /** 85 * e1000_init_phy_params_82571 - Init PHY func ptrs. 86 * @hw: pointer to the HW structure 87 **/ 88 static s32 e1000_init_phy_params_82571(struct e1000_hw *hw) 89 { 90 struct e1000_phy_info *phy = &hw->phy; 91 s32 ret_val; 92 93 if (hw->phy.media_type != e1000_media_type_copper) { 94 phy->type = e1000_phy_none; 95 return 0; 96 } 97 98 phy->addr = 1; 99 phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; 100 phy->reset_delay_us = 100; 101 102 phy->ops.power_up = e1000_power_up_phy_copper; 103 phy->ops.power_down = e1000_power_down_phy_copper_82571; 104 105 switch (hw->mac.type) { 106 case e1000_82571: 107 case e1000_82572: 108 phy->type = e1000_phy_igp_2; 109 break; 110 case e1000_82573: 111 phy->type = e1000_phy_m88; 112 break; 113 case e1000_82574: 114 case e1000_82583: 115 phy->type = e1000_phy_bm; 116 phy->ops.acquire = e1000_get_hw_semaphore_82574; 117 phy->ops.release = e1000_put_hw_semaphore_82574; 118 phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82574; 119 phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_82574; 120 break; 121 default: 122 return -E1000_ERR_PHY; 123 break; 124 } 125 126 /* This can only be done after all function pointers are setup. */ 127 ret_val = e1000_get_phy_id_82571(hw); 128 if (ret_val) { 129 e_dbg("Error getting PHY ID\n"); 130 return ret_val; 131 } 132 133 /* Verify phy id */ 134 switch (hw->mac.type) { 135 case e1000_82571: 136 case e1000_82572: 137 if (phy->id != IGP01E1000_I_PHY_ID) 138 ret_val = -E1000_ERR_PHY; 139 break; 140 case e1000_82573: 141 if (phy->id != M88E1111_I_PHY_ID) 142 ret_val = -E1000_ERR_PHY; 143 break; 144 case e1000_82574: 145 case e1000_82583: 146 if (phy->id != BME1000_E_PHY_ID_R2) 147 ret_val = -E1000_ERR_PHY; 148 break; 149 default: 150 ret_val = -E1000_ERR_PHY; 151 break; 152 } 153 154 if (ret_val) 155 e_dbg("PHY ID unknown: type = 0x%08x\n", phy->id); 156 157 return ret_val; 158 } 159 160 /** 161 * e1000_init_nvm_params_82571 - Init NVM func ptrs. 162 * @hw: pointer to the HW structure 163 **/ 164 static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw) 165 { 166 struct e1000_nvm_info *nvm = &hw->nvm; 167 u32 eecd = er32(EECD); 168 u16 size; 169 170 nvm->opcode_bits = 8; 171 nvm->delay_usec = 1; 172 switch (nvm->override) { 173 case e1000_nvm_override_spi_large: 174 nvm->page_size = 32; 175 nvm->address_bits = 16; 176 break; 177 case e1000_nvm_override_spi_small: 178 nvm->page_size = 8; 179 nvm->address_bits = 8; 180 break; 181 default: 182 nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8; 183 nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8; 184 break; 185 } 186 187 switch (hw->mac.type) { 188 case e1000_82573: 189 case e1000_82574: 190 case e1000_82583: 191 if (((eecd >> 15) & 0x3) == 0x3) { 192 nvm->type = e1000_nvm_flash_hw; 193 nvm->word_size = 2048; 194 /* 195 * Autonomous Flash update bit must be cleared due 196 * to Flash update issue. 197 */ 198 eecd &= ~E1000_EECD_AUPDEN; 199 ew32(EECD, eecd); 200 break; 201 } 202 /* Fall Through */ 203 default: 204 nvm->type = e1000_nvm_eeprom_spi; 205 size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >> 206 E1000_EECD_SIZE_EX_SHIFT); 207 /* 208 * Added to a constant, "size" becomes the left-shift value 209 * for setting word_size. 210 */ 211 size += NVM_WORD_SIZE_BASE_SHIFT; 212 213 /* EEPROM access above 16k is unsupported */ 214 if (size > 14) 215 size = 14; 216 nvm->word_size = 1 << size; 217 break; 218 } 219 220 /* Function Pointers */ 221 switch (hw->mac.type) { 222 case e1000_82574: 223 case e1000_82583: 224 nvm->ops.acquire = e1000_get_hw_semaphore_82574; 225 nvm->ops.release = e1000_put_hw_semaphore_82574; 226 break; 227 default: 228 break; 229 } 230 231 return 0; 232 } 233 234 /** 235 * e1000_init_mac_params_82571 - Init MAC func ptrs. 236 * @hw: pointer to the HW structure 237 **/ 238 static s32 e1000_init_mac_params_82571(struct e1000_hw *hw) 239 { 240 struct e1000_mac_info *mac = &hw->mac; 241 u32 swsm = 0; 242 u32 swsm2 = 0; 243 bool force_clear_smbi = false; 244 245 /* Set media type and media-dependent function pointers */ 246 switch (hw->adapter->pdev->device) { 247 case E1000_DEV_ID_82571EB_FIBER: 248 case E1000_DEV_ID_82572EI_FIBER: 249 case E1000_DEV_ID_82571EB_QUAD_FIBER: 250 hw->phy.media_type = e1000_media_type_fiber; 251 mac->ops.setup_physical_interface = 252 e1000_setup_fiber_serdes_link_82571; 253 mac->ops.check_for_link = e1000e_check_for_fiber_link; 254 mac->ops.get_link_up_info = 255 e1000e_get_speed_and_duplex_fiber_serdes; 256 break; 257 case E1000_DEV_ID_82571EB_SERDES: 258 case E1000_DEV_ID_82571EB_SERDES_DUAL: 259 case E1000_DEV_ID_82571EB_SERDES_QUAD: 260 case E1000_DEV_ID_82572EI_SERDES: 261 hw->phy.media_type = e1000_media_type_internal_serdes; 262 mac->ops.setup_physical_interface = 263 e1000_setup_fiber_serdes_link_82571; 264 mac->ops.check_for_link = e1000_check_for_serdes_link_82571; 265 mac->ops.get_link_up_info = 266 e1000e_get_speed_and_duplex_fiber_serdes; 267 break; 268 default: 269 hw->phy.media_type = e1000_media_type_copper; 270 mac->ops.setup_physical_interface = 271 e1000_setup_copper_link_82571; 272 mac->ops.check_for_link = e1000e_check_for_copper_link; 273 mac->ops.get_link_up_info = e1000e_get_speed_and_duplex_copper; 274 break; 275 } 276 277 /* Set mta register count */ 278 mac->mta_reg_count = 128; 279 /* Set rar entry count */ 280 mac->rar_entry_count = E1000_RAR_ENTRIES; 281 /* Adaptive IFS supported */ 282 mac->adaptive_ifs = true; 283 284 /* MAC-specific function pointers */ 285 switch (hw->mac.type) { 286 case e1000_82573: 287 mac->ops.set_lan_id = e1000_set_lan_id_single_port; 288 mac->ops.check_mng_mode = e1000e_check_mng_mode_generic; 289 mac->ops.led_on = e1000e_led_on_generic; 290 mac->ops.blink_led = e1000e_blink_led_generic; 291 292 /* FWSM register */ 293 mac->has_fwsm = true; 294 /* 295 * ARC supported; valid only if manageability features are 296 * enabled. 297 */ 298 mac->arc_subsystem_valid = !!(er32(FWSM) & 299 E1000_FWSM_MODE_MASK); 300 break; 301 case e1000_82574: 302 case e1000_82583: 303 mac->ops.set_lan_id = e1000_set_lan_id_single_port; 304 mac->ops.check_mng_mode = e1000_check_mng_mode_82574; 305 mac->ops.led_on = e1000_led_on_82574; 306 break; 307 default: 308 mac->ops.check_mng_mode = e1000e_check_mng_mode_generic; 309 mac->ops.led_on = e1000e_led_on_generic; 310 mac->ops.blink_led = e1000e_blink_led_generic; 311 312 /* FWSM register */ 313 mac->has_fwsm = true; 314 break; 315 } 316 317 /* 318 * Ensure that the inter-port SWSM.SMBI lock bit is clear before 319 * first NVM or PHY access. This should be done for single-port 320 * devices, and for one port only on dual-port devices so that 321 * for those devices we can still use the SMBI lock to synchronize 322 * inter-port accesses to the PHY & NVM. 323 */ 324 switch (hw->mac.type) { 325 case e1000_82571: 326 case e1000_82572: 327 swsm2 = er32(SWSM2); 328 329 if (!(swsm2 & E1000_SWSM2_LOCK)) { 330 /* Only do this for the first interface on this card */ 331 ew32(SWSM2, swsm2 | E1000_SWSM2_LOCK); 332 force_clear_smbi = true; 333 } else { 334 force_clear_smbi = false; 335 } 336 break; 337 default: 338 force_clear_smbi = true; 339 break; 340 } 341 342 if (force_clear_smbi) { 343 /* Make sure SWSM.SMBI is clear */ 344 swsm = er32(SWSM); 345 if (swsm & E1000_SWSM_SMBI) { 346 /* This bit should not be set on a first interface, and 347 * indicates that the bootagent or EFI code has 348 * improperly left this bit enabled 349 */ 350 e_dbg("Please update your 82571 Bootagent\n"); 351 } 352 ew32(SWSM, swsm & ~E1000_SWSM_SMBI); 353 } 354 355 /* 356 * Initialize device specific counter of SMBI acquisition 357 * timeouts. 358 */ 359 hw->dev_spec.e82571.smb_counter = 0; 360 361 return 0; 362 } 363 364 static s32 e1000_get_variants_82571(struct e1000_adapter *adapter) 365 { 366 struct e1000_hw *hw = &adapter->hw; 367 static int global_quad_port_a; /* global port a indication */ 368 struct pci_dev *pdev = adapter->pdev; 369 int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1; 370 s32 rc; 371 372 rc = e1000_init_mac_params_82571(hw); 373 if (rc) 374 return rc; 375 376 rc = e1000_init_nvm_params_82571(hw); 377 if (rc) 378 return rc; 379 380 rc = e1000_init_phy_params_82571(hw); 381 if (rc) 382 return rc; 383 384 /* tag quad port adapters first, it's used below */ 385 switch (pdev->device) { 386 case E1000_DEV_ID_82571EB_QUAD_COPPER: 387 case E1000_DEV_ID_82571EB_QUAD_FIBER: 388 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: 389 case E1000_DEV_ID_82571PT_QUAD_COPPER: 390 adapter->flags |= FLAG_IS_QUAD_PORT; 391 /* mark the first port */ 392 if (global_quad_port_a == 0) 393 adapter->flags |= FLAG_IS_QUAD_PORT_A; 394 /* Reset for multiple quad port adapters */ 395 global_quad_port_a++; 396 if (global_quad_port_a == 4) 397 global_quad_port_a = 0; 398 break; 399 default: 400 break; 401 } 402 403 switch (adapter->hw.mac.type) { 404 case e1000_82571: 405 /* these dual ports don't have WoL on port B at all */ 406 if (((pdev->device == E1000_DEV_ID_82571EB_FIBER) || 407 (pdev->device == E1000_DEV_ID_82571EB_SERDES) || 408 (pdev->device == E1000_DEV_ID_82571EB_COPPER)) && 409 (is_port_b)) 410 adapter->flags &= ~FLAG_HAS_WOL; 411 /* quad ports only support WoL on port A */ 412 if (adapter->flags & FLAG_IS_QUAD_PORT && 413 (!(adapter->flags & FLAG_IS_QUAD_PORT_A))) 414 adapter->flags &= ~FLAG_HAS_WOL; 415 /* Does not support WoL on any port */ 416 if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD) 417 adapter->flags &= ~FLAG_HAS_WOL; 418 break; 419 case e1000_82573: 420 if (pdev->device == E1000_DEV_ID_82573L) { 421 adapter->flags |= FLAG_HAS_JUMBO_FRAMES; 422 adapter->max_hw_frame_size = DEFAULT_JUMBO; 423 } 424 break; 425 default: 426 break; 427 } 428 429 return 0; 430 } 431 432 /** 433 * e1000_get_phy_id_82571 - Retrieve the PHY ID and revision 434 * @hw: pointer to the HW structure 435 * 436 * Reads the PHY registers and stores the PHY ID and possibly the PHY 437 * revision in the hardware structure. 438 **/ 439 static s32 e1000_get_phy_id_82571(struct e1000_hw *hw) 440 { 441 struct e1000_phy_info *phy = &hw->phy; 442 s32 ret_val; 443 u16 phy_id = 0; 444 445 switch (hw->mac.type) { 446 case e1000_82571: 447 case e1000_82572: 448 /* 449 * The 82571 firmware may still be configuring the PHY. 450 * In this case, we cannot access the PHY until the 451 * configuration is done. So we explicitly set the 452 * PHY ID. 453 */ 454 phy->id = IGP01E1000_I_PHY_ID; 455 break; 456 case e1000_82573: 457 return e1000e_get_phy_id(hw); 458 break; 459 case e1000_82574: 460 case e1000_82583: 461 ret_val = e1e_rphy(hw, PHY_ID1, &phy_id); 462 if (ret_val) 463 return ret_val; 464 465 phy->id = (u32)(phy_id << 16); 466 udelay(20); 467 ret_val = e1e_rphy(hw, PHY_ID2, &phy_id); 468 if (ret_val) 469 return ret_val; 470 471 phy->id |= (u32)(phy_id); 472 phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); 473 break; 474 default: 475 return -E1000_ERR_PHY; 476 break; 477 } 478 479 return 0; 480 } 481 482 /** 483 * e1000_get_hw_semaphore_82571 - Acquire hardware semaphore 484 * @hw: pointer to the HW structure 485 * 486 * Acquire the HW semaphore to access the PHY or NVM 487 **/ 488 static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw) 489 { 490 u32 swsm; 491 s32 sw_timeout = hw->nvm.word_size + 1; 492 s32 fw_timeout = hw->nvm.word_size + 1; 493 s32 i = 0; 494 495 /* 496 * If we have timedout 3 times on trying to acquire 497 * the inter-port SMBI semaphore, there is old code 498 * operating on the other port, and it is not 499 * releasing SMBI. Modify the number of times that 500 * we try for the semaphore to interwork with this 501 * older code. 502 */ 503 if (hw->dev_spec.e82571.smb_counter > 2) 504 sw_timeout = 1; 505 506 /* Get the SW semaphore */ 507 while (i < sw_timeout) { 508 swsm = er32(SWSM); 509 if (!(swsm & E1000_SWSM_SMBI)) 510 break; 511 512 udelay(50); 513 i++; 514 } 515 516 if (i == sw_timeout) { 517 e_dbg("Driver can't access device - SMBI bit is set.\n"); 518 hw->dev_spec.e82571.smb_counter++; 519 } 520 /* Get the FW semaphore. */ 521 for (i = 0; i < fw_timeout; i++) { 522 swsm = er32(SWSM); 523 ew32(SWSM, swsm | E1000_SWSM_SWESMBI); 524 525 /* Semaphore acquired if bit latched */ 526 if (er32(SWSM) & E1000_SWSM_SWESMBI) 527 break; 528 529 udelay(50); 530 } 531 532 if (i == fw_timeout) { 533 /* Release semaphores */ 534 e1000_put_hw_semaphore_82571(hw); 535 e_dbg("Driver can't access the NVM\n"); 536 return -E1000_ERR_NVM; 537 } 538 539 return 0; 540 } 541 542 /** 543 * e1000_put_hw_semaphore_82571 - Release hardware semaphore 544 * @hw: pointer to the HW structure 545 * 546 * Release hardware semaphore used to access the PHY or NVM 547 **/ 548 static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw) 549 { 550 u32 swsm; 551 552 swsm = er32(SWSM); 553 swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); 554 ew32(SWSM, swsm); 555 } 556 /** 557 * e1000_get_hw_semaphore_82573 - Acquire hardware semaphore 558 * @hw: pointer to the HW structure 559 * 560 * Acquire the HW semaphore during reset. 561 * 562 **/ 563 static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw) 564 { 565 u32 extcnf_ctrl; 566 s32 i = 0; 567 568 extcnf_ctrl = er32(EXTCNF_CTRL); 569 extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; 570 do { 571 ew32(EXTCNF_CTRL, extcnf_ctrl); 572 extcnf_ctrl = er32(EXTCNF_CTRL); 573 574 if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP) 575 break; 576 577 extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; 578 579 usleep_range(2000, 4000); 580 i++; 581 } while (i < MDIO_OWNERSHIP_TIMEOUT); 582 583 if (i == MDIO_OWNERSHIP_TIMEOUT) { 584 /* Release semaphores */ 585 e1000_put_hw_semaphore_82573(hw); 586 e_dbg("Driver can't access the PHY\n"); 587 return -E1000_ERR_PHY; 588 } 589 590 return 0; 591 } 592 593 /** 594 * e1000_put_hw_semaphore_82573 - Release hardware semaphore 595 * @hw: pointer to the HW structure 596 * 597 * Release hardware semaphore used during reset. 598 * 599 **/ 600 static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw) 601 { 602 u32 extcnf_ctrl; 603 604 extcnf_ctrl = er32(EXTCNF_CTRL); 605 extcnf_ctrl &= ~E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP; 606 ew32(EXTCNF_CTRL, extcnf_ctrl); 607 } 608 609 static DEFINE_MUTEX(swflag_mutex); 610 611 /** 612 * e1000_get_hw_semaphore_82574 - Acquire hardware semaphore 613 * @hw: pointer to the HW structure 614 * 615 * Acquire the HW semaphore to access the PHY or NVM. 616 * 617 **/ 618 static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw) 619 { 620 s32 ret_val; 621 622 mutex_lock(&swflag_mutex); 623 ret_val = e1000_get_hw_semaphore_82573(hw); 624 if (ret_val) 625 mutex_unlock(&swflag_mutex); 626 return ret_val; 627 } 628 629 /** 630 * e1000_put_hw_semaphore_82574 - Release hardware semaphore 631 * @hw: pointer to the HW structure 632 * 633 * Release hardware semaphore used to access the PHY or NVM 634 * 635 **/ 636 static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw) 637 { 638 e1000_put_hw_semaphore_82573(hw); 639 mutex_unlock(&swflag_mutex); 640 } 641 642 /** 643 * e1000_set_d0_lplu_state_82574 - Set Low Power Linkup D0 state 644 * @hw: pointer to the HW structure 645 * @active: true to enable LPLU, false to disable 646 * 647 * Sets the LPLU D0 state according to the active flag. 648 * LPLU will not be activated unless the 649 * device autonegotiation advertisement meets standards of 650 * either 10 or 10/100 or 10/100/1000 at all duplexes. 651 * This is a function pointer entry point only called by 652 * PHY setup routines. 653 **/ 654 static s32 e1000_set_d0_lplu_state_82574(struct e1000_hw *hw, bool active) 655 { 656 u16 data = er32(POEMB); 657 658 if (active) 659 data |= E1000_PHY_CTRL_D0A_LPLU; 660 else 661 data &= ~E1000_PHY_CTRL_D0A_LPLU; 662 663 ew32(POEMB, data); 664 return 0; 665 } 666 667 /** 668 * e1000_set_d3_lplu_state_82574 - Sets low power link up state for D3 669 * @hw: pointer to the HW structure 670 * @active: boolean used to enable/disable lplu 671 * 672 * The low power link up (lplu) state is set to the power management level D3 673 * when active is true, else clear lplu for D3. LPLU 674 * is used during Dx states where the power conservation is most important. 675 * During driver activity, SmartSpeed should be enabled so performance is 676 * maintained. 677 **/ 678 static s32 e1000_set_d3_lplu_state_82574(struct e1000_hw *hw, bool active) 679 { 680 u16 data = er32(POEMB); 681 682 if (!active) { 683 data &= ~E1000_PHY_CTRL_NOND0A_LPLU; 684 } else if ((hw->phy.autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || 685 (hw->phy.autoneg_advertised == E1000_ALL_NOT_GIG) || 686 (hw->phy.autoneg_advertised == E1000_ALL_10_SPEED)) { 687 data |= E1000_PHY_CTRL_NOND0A_LPLU; 688 } 689 690 ew32(POEMB, data); 691 return 0; 692 } 693 694 /** 695 * e1000_acquire_nvm_82571 - Request for access to the EEPROM 696 * @hw: pointer to the HW structure 697 * 698 * To gain access to the EEPROM, first we must obtain a hardware semaphore. 699 * Then for non-82573 hardware, set the EEPROM access request bit and wait 700 * for EEPROM access grant bit. If the access grant bit is not set, release 701 * hardware semaphore. 702 **/ 703 static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw) 704 { 705 s32 ret_val; 706 707 ret_val = e1000_get_hw_semaphore_82571(hw); 708 if (ret_val) 709 return ret_val; 710 711 switch (hw->mac.type) { 712 case e1000_82573: 713 break; 714 default: 715 ret_val = e1000e_acquire_nvm(hw); 716 break; 717 } 718 719 if (ret_val) 720 e1000_put_hw_semaphore_82571(hw); 721 722 return ret_val; 723 } 724 725 /** 726 * e1000_release_nvm_82571 - Release exclusive access to EEPROM 727 * @hw: pointer to the HW structure 728 * 729 * Stop any current commands to the EEPROM and clear the EEPROM request bit. 730 **/ 731 static void e1000_release_nvm_82571(struct e1000_hw *hw) 732 { 733 e1000e_release_nvm(hw); 734 e1000_put_hw_semaphore_82571(hw); 735 } 736 737 /** 738 * e1000_write_nvm_82571 - Write to EEPROM using appropriate interface 739 * @hw: pointer to the HW structure 740 * @offset: offset within the EEPROM to be written to 741 * @words: number of words to write 742 * @data: 16 bit word(s) to be written to the EEPROM 743 * 744 * For non-82573 silicon, write data to EEPROM at offset using SPI interface. 745 * 746 * If e1000e_update_nvm_checksum is not called after this function, the 747 * EEPROM will most likely contain an invalid checksum. 748 **/ 749 static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words, 750 u16 *data) 751 { 752 s32 ret_val; 753 754 switch (hw->mac.type) { 755 case e1000_82573: 756 case e1000_82574: 757 case e1000_82583: 758 ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data); 759 break; 760 case e1000_82571: 761 case e1000_82572: 762 ret_val = e1000e_write_nvm_spi(hw, offset, words, data); 763 break; 764 default: 765 ret_val = -E1000_ERR_NVM; 766 break; 767 } 768 769 return ret_val; 770 } 771 772 /** 773 * e1000_update_nvm_checksum_82571 - Update EEPROM checksum 774 * @hw: pointer to the HW structure 775 * 776 * Updates the EEPROM checksum by reading/adding each word of the EEPROM 777 * up to the checksum. Then calculates the EEPROM checksum and writes the 778 * value to the EEPROM. 779 **/ 780 static s32 e1000_update_nvm_checksum_82571(struct e1000_hw *hw) 781 { 782 u32 eecd; 783 s32 ret_val; 784 u16 i; 785 786 ret_val = e1000e_update_nvm_checksum_generic(hw); 787 if (ret_val) 788 return ret_val; 789 790 /* 791 * If our nvm is an EEPROM, then we're done 792 * otherwise, commit the checksum to the flash NVM. 793 */ 794 if (hw->nvm.type != e1000_nvm_flash_hw) 795 return 0; 796 797 /* Check for pending operations. */ 798 for (i = 0; i < E1000_FLASH_UPDATES; i++) { 799 usleep_range(1000, 2000); 800 if (!(er32(EECD) & E1000_EECD_FLUPD)) 801 break; 802 } 803 804 if (i == E1000_FLASH_UPDATES) 805 return -E1000_ERR_NVM; 806 807 /* Reset the firmware if using STM opcode. */ 808 if ((er32(FLOP) & 0xFF00) == E1000_STM_OPCODE) { 809 /* 810 * The enabling of and the actual reset must be done 811 * in two write cycles. 812 */ 813 ew32(HICR, E1000_HICR_FW_RESET_ENABLE); 814 e1e_flush(); 815 ew32(HICR, E1000_HICR_FW_RESET); 816 } 817 818 /* Commit the write to flash */ 819 eecd = er32(EECD) | E1000_EECD_FLUPD; 820 ew32(EECD, eecd); 821 822 for (i = 0; i < E1000_FLASH_UPDATES; i++) { 823 usleep_range(1000, 2000); 824 if (!(er32(EECD) & E1000_EECD_FLUPD)) 825 break; 826 } 827 828 if (i == E1000_FLASH_UPDATES) 829 return -E1000_ERR_NVM; 830 831 return 0; 832 } 833 834 /** 835 * e1000_validate_nvm_checksum_82571 - Validate EEPROM checksum 836 * @hw: pointer to the HW structure 837 * 838 * Calculates the EEPROM checksum by reading/adding each word of the EEPROM 839 * and then verifies that the sum of the EEPROM is equal to 0xBABA. 840 **/ 841 static s32 e1000_validate_nvm_checksum_82571(struct e1000_hw *hw) 842 { 843 if (hw->nvm.type == e1000_nvm_flash_hw) 844 e1000_fix_nvm_checksum_82571(hw); 845 846 return e1000e_validate_nvm_checksum_generic(hw); 847 } 848 849 /** 850 * e1000_write_nvm_eewr_82571 - Write to EEPROM for 82573 silicon 851 * @hw: pointer to the HW structure 852 * @offset: offset within the EEPROM to be written to 853 * @words: number of words to write 854 * @data: 16 bit word(s) to be written to the EEPROM 855 * 856 * After checking for invalid values, poll the EEPROM to ensure the previous 857 * command has completed before trying to write the next word. After write 858 * poll for completion. 859 * 860 * If e1000e_update_nvm_checksum is not called after this function, the 861 * EEPROM will most likely contain an invalid checksum. 862 **/ 863 static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset, 864 u16 words, u16 *data) 865 { 866 struct e1000_nvm_info *nvm = &hw->nvm; 867 u32 i, eewr = 0; 868 s32 ret_val = 0; 869 870 /* 871 * A check for invalid values: offset too large, too many words, 872 * and not enough words. 873 */ 874 if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || 875 (words == 0)) { 876 e_dbg("nvm parameter(s) out of bounds\n"); 877 return -E1000_ERR_NVM; 878 } 879 880 for (i = 0; i < words; i++) { 881 eewr = (data[i] << E1000_NVM_RW_REG_DATA) | 882 ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) | 883 E1000_NVM_RW_REG_START; 884 885 ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE); 886 if (ret_val) 887 break; 888 889 ew32(EEWR, eewr); 890 891 ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE); 892 if (ret_val) 893 break; 894 } 895 896 return ret_val; 897 } 898 899 /** 900 * e1000_get_cfg_done_82571 - Poll for configuration done 901 * @hw: pointer to the HW structure 902 * 903 * Reads the management control register for the config done bit to be set. 904 **/ 905 static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw) 906 { 907 s32 timeout = PHY_CFG_TIMEOUT; 908 909 while (timeout) { 910 if (er32(EEMNGCTL) & 911 E1000_NVM_CFG_DONE_PORT_0) 912 break; 913 usleep_range(1000, 2000); 914 timeout--; 915 } 916 if (!timeout) { 917 e_dbg("MNG configuration cycle has not completed.\n"); 918 return -E1000_ERR_RESET; 919 } 920 921 return 0; 922 } 923 924 /** 925 * e1000_set_d0_lplu_state_82571 - Set Low Power Linkup D0 state 926 * @hw: pointer to the HW structure 927 * @active: true to enable LPLU, false to disable 928 * 929 * Sets the LPLU D0 state according to the active flag. When activating LPLU 930 * this function also disables smart speed and vice versa. LPLU will not be 931 * activated unless the device autonegotiation advertisement meets standards 932 * of either 10 or 10/100 or 10/100/1000 at all duplexes. This is a function 933 * pointer entry point only called by PHY setup routines. 934 **/ 935 static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active) 936 { 937 struct e1000_phy_info *phy = &hw->phy; 938 s32 ret_val; 939 u16 data; 940 941 ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data); 942 if (ret_val) 943 return ret_val; 944 945 if (active) { 946 data |= IGP02E1000_PM_D0_LPLU; 947 ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); 948 if (ret_val) 949 return ret_val; 950 951 /* When LPLU is enabled, we should disable SmartSpeed */ 952 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); 953 data &= ~IGP01E1000_PSCFR_SMART_SPEED; 954 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); 955 if (ret_val) 956 return ret_val; 957 } else { 958 data &= ~IGP02E1000_PM_D0_LPLU; 959 ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); 960 /* 961 * LPLU and SmartSpeed are mutually exclusive. LPLU is used 962 * during Dx states where the power conservation is most 963 * important. During driver activity we should enable 964 * SmartSpeed, so performance is maintained. 965 */ 966 if (phy->smart_speed == e1000_smart_speed_on) { 967 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, 968 &data); 969 if (ret_val) 970 return ret_val; 971 972 data |= IGP01E1000_PSCFR_SMART_SPEED; 973 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, 974 data); 975 if (ret_val) 976 return ret_val; 977 } else if (phy->smart_speed == e1000_smart_speed_off) { 978 ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, 979 &data); 980 if (ret_val) 981 return ret_val; 982 983 data &= ~IGP01E1000_PSCFR_SMART_SPEED; 984 ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, 985 data); 986 if (ret_val) 987 return ret_val; 988 } 989 } 990 991 return 0; 992 } 993 994 /** 995 * e1000_reset_hw_82571 - Reset hardware 996 * @hw: pointer to the HW structure 997 * 998 * This resets the hardware into a known state. 999 **/ 1000 static s32 e1000_reset_hw_82571(struct e1000_hw *hw) 1001 { 1002 u32 ctrl, ctrl_ext, eecd, tctl; 1003 s32 ret_val; 1004 1005 /* 1006 * Prevent the PCI-E bus from sticking if there is no TLP connection 1007 * on the last TLP read/write transaction when MAC is reset. 1008 */ 1009 ret_val = e1000e_disable_pcie_master(hw); 1010 if (ret_val) 1011 e_dbg("PCI-E Master disable polling has failed.\n"); 1012 1013 e_dbg("Masking off all interrupts\n"); 1014 ew32(IMC, 0xffffffff); 1015 1016 ew32(RCTL, 0); 1017 tctl = er32(TCTL); 1018 tctl &= ~E1000_TCTL_EN; 1019 ew32(TCTL, tctl); 1020 e1e_flush(); 1021 1022 usleep_range(10000, 20000); 1023 1024 /* 1025 * Must acquire the MDIO ownership before MAC reset. 1026 * Ownership defaults to firmware after a reset. 1027 */ 1028 switch (hw->mac.type) { 1029 case e1000_82573: 1030 ret_val = e1000_get_hw_semaphore_82573(hw); 1031 break; 1032 case e1000_82574: 1033 case e1000_82583: 1034 ret_val = e1000_get_hw_semaphore_82574(hw); 1035 break; 1036 default: 1037 break; 1038 } 1039 if (ret_val) 1040 e_dbg("Cannot acquire MDIO ownership\n"); 1041 1042 ctrl = er32(CTRL); 1043 1044 e_dbg("Issuing a global reset to MAC\n"); 1045 ew32(CTRL, ctrl | E1000_CTRL_RST); 1046 1047 /* Must release MDIO ownership and mutex after MAC reset. */ 1048 switch (hw->mac.type) { 1049 case e1000_82574: 1050 case e1000_82583: 1051 e1000_put_hw_semaphore_82574(hw); 1052 break; 1053 default: 1054 break; 1055 } 1056 1057 if (hw->nvm.type == e1000_nvm_flash_hw) { 1058 udelay(10); 1059 ctrl_ext = er32(CTRL_EXT); 1060 ctrl_ext |= E1000_CTRL_EXT_EE_RST; 1061 ew32(CTRL_EXT, ctrl_ext); 1062 e1e_flush(); 1063 } 1064 1065 ret_val = e1000e_get_auto_rd_done(hw); 1066 if (ret_val) 1067 /* We don't want to continue accessing MAC registers. */ 1068 return ret_val; 1069 1070 /* 1071 * Phy configuration from NVM just starts after EECD_AUTO_RD is set. 1072 * Need to wait for Phy configuration completion before accessing 1073 * NVM and Phy. 1074 */ 1075 1076 switch (hw->mac.type) { 1077 case e1000_82571: 1078 case e1000_82572: 1079 /* 1080 * REQ and GNT bits need to be cleared when using AUTO_RD 1081 * to access the EEPROM. 1082 */ 1083 eecd = er32(EECD); 1084 eecd &= ~(E1000_EECD_REQ | E1000_EECD_GNT); 1085 ew32(EECD, eecd); 1086 break; 1087 case e1000_82573: 1088 case e1000_82574: 1089 case e1000_82583: 1090 msleep(25); 1091 break; 1092 default: 1093 break; 1094 } 1095 1096 /* Clear any pending interrupt events. */ 1097 ew32(IMC, 0xffffffff); 1098 er32(ICR); 1099 1100 if (hw->mac.type == e1000_82571) { 1101 /* Install any alternate MAC address into RAR0 */ 1102 ret_val = e1000_check_alt_mac_addr_generic(hw); 1103 if (ret_val) 1104 return ret_val; 1105 1106 e1000e_set_laa_state_82571(hw, true); 1107 } 1108 1109 /* Reinitialize the 82571 serdes link state machine */ 1110 if (hw->phy.media_type == e1000_media_type_internal_serdes) 1111 hw->mac.serdes_link_state = e1000_serdes_link_down; 1112 1113 return 0; 1114 } 1115 1116 /** 1117 * e1000_init_hw_82571 - Initialize hardware 1118 * @hw: pointer to the HW structure 1119 * 1120 * This inits the hardware readying it for operation. 1121 **/ 1122 static s32 e1000_init_hw_82571(struct e1000_hw *hw) 1123 { 1124 struct e1000_mac_info *mac = &hw->mac; 1125 u32 reg_data; 1126 s32 ret_val; 1127 u16 i, rar_count = mac->rar_entry_count; 1128 1129 e1000_initialize_hw_bits_82571(hw); 1130 1131 /* Initialize identification LED */ 1132 ret_val = mac->ops.id_led_init(hw); 1133 if (ret_val) 1134 e_dbg("Error initializing identification LED\n"); 1135 /* This is not fatal and we should not stop init due to this */ 1136 1137 /* Disabling VLAN filtering */ 1138 e_dbg("Initializing the IEEE VLAN\n"); 1139 mac->ops.clear_vfta(hw); 1140 1141 /* Setup the receive address. */ 1142 /* 1143 * If, however, a locally administered address was assigned to the 1144 * 82571, we must reserve a RAR for it to work around an issue where 1145 * resetting one port will reload the MAC on the other port. 1146 */ 1147 if (e1000e_get_laa_state_82571(hw)) 1148 rar_count--; 1149 e1000e_init_rx_addrs(hw, rar_count); 1150 1151 /* Zero out the Multicast HASH table */ 1152 e_dbg("Zeroing the MTA\n"); 1153 for (i = 0; i < mac->mta_reg_count; i++) 1154 E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0); 1155 1156 /* Setup link and flow control */ 1157 ret_val = mac->ops.setup_link(hw); 1158 1159 /* Set the transmit descriptor write-back policy */ 1160 reg_data = er32(TXDCTL(0)); 1161 reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) | 1162 E1000_TXDCTL_FULL_TX_DESC_WB | 1163 E1000_TXDCTL_COUNT_DESC; 1164 ew32(TXDCTL(0), reg_data); 1165 1166 /* ...for both queues. */ 1167 switch (mac->type) { 1168 case e1000_82573: 1169 e1000e_enable_tx_pkt_filtering(hw); 1170 /* fall through */ 1171 case e1000_82574: 1172 case e1000_82583: 1173 reg_data = er32(GCR); 1174 reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX; 1175 ew32(GCR, reg_data); 1176 break; 1177 default: 1178 reg_data = er32(TXDCTL(1)); 1179 reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) | 1180 E1000_TXDCTL_FULL_TX_DESC_WB | 1181 E1000_TXDCTL_COUNT_DESC; 1182 ew32(TXDCTL(1), reg_data); 1183 break; 1184 } 1185 1186 /* 1187 * Clear all of the statistics registers (clear on read). It is 1188 * important that we do this after we have tried to establish link 1189 * because the symbol error count will increment wildly if there 1190 * is no link. 1191 */ 1192 e1000_clear_hw_cntrs_82571(hw); 1193 1194 return ret_val; 1195 } 1196 1197 /** 1198 * e1000_initialize_hw_bits_82571 - Initialize hardware-dependent bits 1199 * @hw: pointer to the HW structure 1200 * 1201 * Initializes required hardware-dependent bits needed for normal operation. 1202 **/ 1203 static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) 1204 { 1205 u32 reg; 1206 1207 /* Transmit Descriptor Control 0 */ 1208 reg = er32(TXDCTL(0)); 1209 reg |= (1 << 22); 1210 ew32(TXDCTL(0), reg); 1211 1212 /* Transmit Descriptor Control 1 */ 1213 reg = er32(TXDCTL(1)); 1214 reg |= (1 << 22); 1215 ew32(TXDCTL(1), reg); 1216 1217 /* Transmit Arbitration Control 0 */ 1218 reg = er32(TARC(0)); 1219 reg &= ~(0xF << 27); /* 30:27 */ 1220 switch (hw->mac.type) { 1221 case e1000_82571: 1222 case e1000_82572: 1223 reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26); 1224 break; 1225 case e1000_82574: 1226 case e1000_82583: 1227 reg |= (1 << 26); 1228 break; 1229 default: 1230 break; 1231 } 1232 ew32(TARC(0), reg); 1233 1234 /* Transmit Arbitration Control 1 */ 1235 reg = er32(TARC(1)); 1236 switch (hw->mac.type) { 1237 case e1000_82571: 1238 case e1000_82572: 1239 reg &= ~((1 << 29) | (1 << 30)); 1240 reg |= (1 << 22) | (1 << 24) | (1 << 25) | (1 << 26); 1241 if (er32(TCTL) & E1000_TCTL_MULR) 1242 reg &= ~(1 << 28); 1243 else 1244 reg |= (1 << 28); 1245 ew32(TARC(1), reg); 1246 break; 1247 default: 1248 break; 1249 } 1250 1251 /* Device Control */ 1252 switch (hw->mac.type) { 1253 case e1000_82573: 1254 case e1000_82574: 1255 case e1000_82583: 1256 reg = er32(CTRL); 1257 reg &= ~(1 << 29); 1258 ew32(CTRL, reg); 1259 break; 1260 default: 1261 break; 1262 } 1263 1264 /* Extended Device Control */ 1265 switch (hw->mac.type) { 1266 case e1000_82573: 1267 case e1000_82574: 1268 case e1000_82583: 1269 reg = er32(CTRL_EXT); 1270 reg &= ~(1 << 23); 1271 reg |= (1 << 22); 1272 ew32(CTRL_EXT, reg); 1273 break; 1274 default: 1275 break; 1276 } 1277 1278 if (hw->mac.type == e1000_82571) { 1279 reg = er32(PBA_ECC); 1280 reg |= E1000_PBA_ECC_CORR_EN; 1281 ew32(PBA_ECC, reg); 1282 } 1283 1284 /* 1285 * Workaround for hardware errata. 1286 * Ensure that DMA Dynamic Clock gating is disabled on 82571 and 82572 1287 */ 1288 if ((hw->mac.type == e1000_82571) || (hw->mac.type == e1000_82572)) { 1289 reg = er32(CTRL_EXT); 1290 reg &= ~E1000_CTRL_EXT_DMA_DYN_CLK_EN; 1291 ew32(CTRL_EXT, reg); 1292 } 1293 1294 /* 1295 * Disable IPv6 extension header parsing because some malformed 1296 * IPv6 headers can hang the Rx. 1297 */ 1298 if (hw->mac.type <= e1000_82573) { 1299 reg = er32(RFCTL); 1300 reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS); 1301 ew32(RFCTL, reg); 1302 } 1303 1304 /* PCI-Ex Control Registers */ 1305 switch (hw->mac.type) { 1306 case e1000_82574: 1307 case e1000_82583: 1308 reg = er32(GCR); 1309 reg |= (1 << 22); 1310 ew32(GCR, reg); 1311 1312 /* 1313 * Workaround for hardware errata. 1314 * apply workaround for hardware errata documented in errata 1315 * docs Fixes issue where some error prone or unreliable PCIe 1316 * completions are occurring, particularly with ASPM enabled. 1317 * Without fix, issue can cause Tx timeouts. 1318 */ 1319 reg = er32(GCR2); 1320 reg |= 1; 1321 ew32(GCR2, reg); 1322 break; 1323 default: 1324 break; 1325 } 1326 } 1327 1328 /** 1329 * e1000_clear_vfta_82571 - Clear VLAN filter table 1330 * @hw: pointer to the HW structure 1331 * 1332 * Clears the register array which contains the VLAN filter table by 1333 * setting all the values to 0. 1334 **/ 1335 static void e1000_clear_vfta_82571(struct e1000_hw *hw) 1336 { 1337 u32 offset; 1338 u32 vfta_value = 0; 1339 u32 vfta_offset = 0; 1340 u32 vfta_bit_in_reg = 0; 1341 1342 switch (hw->mac.type) { 1343 case e1000_82573: 1344 case e1000_82574: 1345 case e1000_82583: 1346 if (hw->mng_cookie.vlan_id != 0) { 1347 /* 1348 * The VFTA is a 4096b bit-field, each identifying 1349 * a single VLAN ID. The following operations 1350 * determine which 32b entry (i.e. offset) into the 1351 * array we want to set the VLAN ID (i.e. bit) of 1352 * the manageability unit. 1353 */ 1354 vfta_offset = (hw->mng_cookie.vlan_id >> 1355 E1000_VFTA_ENTRY_SHIFT) & 1356 E1000_VFTA_ENTRY_MASK; 1357 vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id & 1358 E1000_VFTA_ENTRY_BIT_SHIFT_MASK); 1359 } 1360 break; 1361 default: 1362 break; 1363 } 1364 for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { 1365 /* 1366 * If the offset we want to clear is the same offset of the 1367 * manageability VLAN ID, then clear all bits except that of 1368 * the manageability unit. 1369 */ 1370 vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0; 1371 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, vfta_value); 1372 e1e_flush(); 1373 } 1374 } 1375 1376 /** 1377 * e1000_check_mng_mode_82574 - Check manageability is enabled 1378 * @hw: pointer to the HW structure 1379 * 1380 * Reads the NVM Initialization Control Word 2 and returns true 1381 * (>0) if any manageability is enabled, else false (0). 1382 **/ 1383 static bool e1000_check_mng_mode_82574(struct e1000_hw *hw) 1384 { 1385 u16 data; 1386 1387 e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data); 1388 return (data & E1000_NVM_INIT_CTRL2_MNGM) != 0; 1389 } 1390 1391 /** 1392 * e1000_led_on_82574 - Turn LED on 1393 * @hw: pointer to the HW structure 1394 * 1395 * Turn LED on. 1396 **/ 1397 static s32 e1000_led_on_82574(struct e1000_hw *hw) 1398 { 1399 u32 ctrl; 1400 u32 i; 1401 1402 ctrl = hw->mac.ledctl_mode2; 1403 if (!(E1000_STATUS_LU & er32(STATUS))) { 1404 /* 1405 * If no link, then turn LED on by setting the invert bit 1406 * for each LED that's "on" (0x0E) in ledctl_mode2. 1407 */ 1408 for (i = 0; i < 4; i++) 1409 if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) == 1410 E1000_LEDCTL_MODE_LED_ON) 1411 ctrl |= (E1000_LEDCTL_LED0_IVRT << (i * 8)); 1412 } 1413 ew32(LEDCTL, ctrl); 1414 1415 return 0; 1416 } 1417 1418 /** 1419 * e1000_check_phy_82574 - check 82574 phy hung state 1420 * @hw: pointer to the HW structure 1421 * 1422 * Returns whether phy is hung or not 1423 **/ 1424 bool e1000_check_phy_82574(struct e1000_hw *hw) 1425 { 1426 u16 status_1kbt = 0; 1427 u16 receive_errors = 0; 1428 s32 ret_val = 0; 1429 1430 /* 1431 * Read PHY Receive Error counter first, if its is max - all F's then 1432 * read the Base1000T status register If both are max then PHY is hung. 1433 */ 1434 ret_val = e1e_rphy(hw, E1000_RECEIVE_ERROR_COUNTER, &receive_errors); 1435 if (ret_val) 1436 return false; 1437 if (receive_errors == E1000_RECEIVE_ERROR_MAX) { 1438 ret_val = e1e_rphy(hw, E1000_BASE1000T_STATUS, &status_1kbt); 1439 if (ret_val) 1440 return false; 1441 if ((status_1kbt & E1000_IDLE_ERROR_COUNT_MASK) == 1442 E1000_IDLE_ERROR_COUNT_MASK) 1443 return true; 1444 } 1445 1446 return false; 1447 } 1448 1449 /** 1450 * e1000_setup_link_82571 - Setup flow control and link settings 1451 * @hw: pointer to the HW structure 1452 * 1453 * Determines which flow control settings to use, then configures flow 1454 * control. Calls the appropriate media-specific link configuration 1455 * function. Assuming the adapter has a valid link partner, a valid link 1456 * should be established. Assumes the hardware has previously been reset 1457 * and the transmitter and receiver are not enabled. 1458 **/ 1459 static s32 e1000_setup_link_82571(struct e1000_hw *hw) 1460 { 1461 /* 1462 * 82573 does not have a word in the NVM to determine 1463 * the default flow control setting, so we explicitly 1464 * set it to full. 1465 */ 1466 switch (hw->mac.type) { 1467 case e1000_82573: 1468 case e1000_82574: 1469 case e1000_82583: 1470 if (hw->fc.requested_mode == e1000_fc_default) 1471 hw->fc.requested_mode = e1000_fc_full; 1472 break; 1473 default: 1474 break; 1475 } 1476 1477 return e1000e_setup_link_generic(hw); 1478 } 1479 1480 /** 1481 * e1000_setup_copper_link_82571 - Configure copper link settings 1482 * @hw: pointer to the HW structure 1483 * 1484 * Configures the link for auto-neg or forced speed and duplex. Then we check 1485 * for link, once link is established calls to configure collision distance 1486 * and flow control are called. 1487 **/ 1488 static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw) 1489 { 1490 u32 ctrl; 1491 s32 ret_val; 1492 1493 ctrl = er32(CTRL); 1494 ctrl |= E1000_CTRL_SLU; 1495 ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); 1496 ew32(CTRL, ctrl); 1497 1498 switch (hw->phy.type) { 1499 case e1000_phy_m88: 1500 case e1000_phy_bm: 1501 ret_val = e1000e_copper_link_setup_m88(hw); 1502 break; 1503 case e1000_phy_igp_2: 1504 ret_val = e1000e_copper_link_setup_igp(hw); 1505 break; 1506 default: 1507 return -E1000_ERR_PHY; 1508 break; 1509 } 1510 1511 if (ret_val) 1512 return ret_val; 1513 1514 return e1000e_setup_copper_link(hw); 1515 } 1516 1517 /** 1518 * e1000_setup_fiber_serdes_link_82571 - Setup link for fiber/serdes 1519 * @hw: pointer to the HW structure 1520 * 1521 * Configures collision distance and flow control for fiber and serdes links. 1522 * Upon successful setup, poll for link. 1523 **/ 1524 static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw) 1525 { 1526 switch (hw->mac.type) { 1527 case e1000_82571: 1528 case e1000_82572: 1529 /* 1530 * If SerDes loopback mode is entered, there is no form 1531 * of reset to take the adapter out of that mode. So we 1532 * have to explicitly take the adapter out of loopback 1533 * mode. This prevents drivers from twiddling their thumbs 1534 * if another tool failed to take it out of loopback mode. 1535 */ 1536 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK); 1537 break; 1538 default: 1539 break; 1540 } 1541 1542 return e1000e_setup_fiber_serdes_link(hw); 1543 } 1544 1545 /** 1546 * e1000_check_for_serdes_link_82571 - Check for link (Serdes) 1547 * @hw: pointer to the HW structure 1548 * 1549 * Reports the link state as up or down. 1550 * 1551 * If autonegotiation is supported by the link partner, the link state is 1552 * determined by the result of autonegotiation. This is the most likely case. 1553 * If autonegotiation is not supported by the link partner, and the link 1554 * has a valid signal, force the link up. 1555 * 1556 * The link state is represented internally here by 4 states: 1557 * 1558 * 1) down 1559 * 2) autoneg_progress 1560 * 3) autoneg_complete (the link successfully autonegotiated) 1561 * 4) forced_up (the link has been forced up, it did not autonegotiate) 1562 * 1563 **/ 1564 static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) 1565 { 1566 struct e1000_mac_info *mac = &hw->mac; 1567 u32 rxcw; 1568 u32 ctrl; 1569 u32 status; 1570 u32 txcw; 1571 u32 i; 1572 s32 ret_val = 0; 1573 1574 ctrl = er32(CTRL); 1575 status = er32(STATUS); 1576 rxcw = er32(RXCW); 1577 /* SYNCH bit and IV bit are sticky */ 1578 udelay(10); 1579 rxcw = er32(RXCW); 1580 1581 if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) { 1582 1583 /* Receiver is synchronized with no invalid bits. */ 1584 switch (mac->serdes_link_state) { 1585 case e1000_serdes_link_autoneg_complete: 1586 if (!(status & E1000_STATUS_LU)) { 1587 /* 1588 * We have lost link, retry autoneg before 1589 * reporting link failure 1590 */ 1591 mac->serdes_link_state = 1592 e1000_serdes_link_autoneg_progress; 1593 mac->serdes_has_link = false; 1594 e_dbg("AN_UP -> AN_PROG\n"); 1595 } else { 1596 mac->serdes_has_link = true; 1597 } 1598 break; 1599 1600 case e1000_serdes_link_forced_up: 1601 /* 1602 * If we are receiving /C/ ordered sets, re-enable 1603 * auto-negotiation in the TXCW register and disable 1604 * forced link in the Device Control register in an 1605 * attempt to auto-negotiate with our link partner. 1606 */ 1607 if (rxcw & E1000_RXCW_C) { 1608 /* Enable autoneg, and unforce link up */ 1609 ew32(TXCW, mac->txcw); 1610 ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); 1611 mac->serdes_link_state = 1612 e1000_serdes_link_autoneg_progress; 1613 mac->serdes_has_link = false; 1614 e_dbg("FORCED_UP -> AN_PROG\n"); 1615 } else { 1616 mac->serdes_has_link = true; 1617 } 1618 break; 1619 1620 case e1000_serdes_link_autoneg_progress: 1621 if (rxcw & E1000_RXCW_C) { 1622 /* 1623 * We received /C/ ordered sets, meaning the 1624 * link partner has autonegotiated, and we can 1625 * trust the Link Up (LU) status bit. 1626 */ 1627 if (status & E1000_STATUS_LU) { 1628 mac->serdes_link_state = 1629 e1000_serdes_link_autoneg_complete; 1630 e_dbg("AN_PROG -> AN_UP\n"); 1631 mac->serdes_has_link = true; 1632 } else { 1633 /* Autoneg completed, but failed. */ 1634 mac->serdes_link_state = 1635 e1000_serdes_link_down; 1636 e_dbg("AN_PROG -> DOWN\n"); 1637 } 1638 } else { 1639 /* 1640 * The link partner did not autoneg. 1641 * Force link up and full duplex, and change 1642 * state to forced. 1643 */ 1644 ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE)); 1645 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD); 1646 ew32(CTRL, ctrl); 1647 1648 /* Configure Flow Control after link up. */ 1649 ret_val = e1000e_config_fc_after_link_up(hw); 1650 if (ret_val) { 1651 e_dbg("Error config flow control\n"); 1652 break; 1653 } 1654 mac->serdes_link_state = 1655 e1000_serdes_link_forced_up; 1656 mac->serdes_has_link = true; 1657 e_dbg("AN_PROG -> FORCED_UP\n"); 1658 } 1659 break; 1660 1661 case e1000_serdes_link_down: 1662 default: 1663 /* 1664 * The link was down but the receiver has now gained 1665 * valid sync, so lets see if we can bring the link 1666 * up. 1667 */ 1668 ew32(TXCW, mac->txcw); 1669 ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); 1670 mac->serdes_link_state = 1671 e1000_serdes_link_autoneg_progress; 1672 mac->serdes_has_link = false; 1673 e_dbg("DOWN -> AN_PROG\n"); 1674 break; 1675 } 1676 } else { 1677 if (!(rxcw & E1000_RXCW_SYNCH)) { 1678 mac->serdes_has_link = false; 1679 mac->serdes_link_state = e1000_serdes_link_down; 1680 e_dbg("ANYSTATE -> DOWN\n"); 1681 } else { 1682 /* 1683 * Check several times, if SYNCH bit and CONFIG 1684 * bit both are consistently 1 then simply ignore 1685 * the IV bit and restart Autoneg 1686 */ 1687 for (i = 0; i < AN_RETRY_COUNT; i++) { 1688 udelay(10); 1689 rxcw = er32(RXCW); 1690 if ((rxcw & E1000_RXCW_SYNCH) && 1691 (rxcw & E1000_RXCW_C)) 1692 continue; 1693 1694 if (rxcw & E1000_RXCW_IV) { 1695 mac->serdes_has_link = false; 1696 mac->serdes_link_state = 1697 e1000_serdes_link_down; 1698 e_dbg("ANYSTATE -> DOWN\n"); 1699 break; 1700 } 1701 } 1702 1703 if (i == AN_RETRY_COUNT) { 1704 txcw = er32(TXCW); 1705 txcw |= E1000_TXCW_ANE; 1706 ew32(TXCW, txcw); 1707 mac->serdes_link_state = 1708 e1000_serdes_link_autoneg_progress; 1709 mac->serdes_has_link = false; 1710 e_dbg("ANYSTATE -> AN_PROG\n"); 1711 } 1712 } 1713 } 1714 1715 return ret_val; 1716 } 1717 1718 /** 1719 * e1000_valid_led_default_82571 - Verify a valid default LED config 1720 * @hw: pointer to the HW structure 1721 * @data: pointer to the NVM (EEPROM) 1722 * 1723 * Read the EEPROM for the current default LED configuration. If the 1724 * LED configuration is not valid, set to a valid LED configuration. 1725 **/ 1726 static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data) 1727 { 1728 s32 ret_val; 1729 1730 ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data); 1731 if (ret_val) { 1732 e_dbg("NVM Read Error\n"); 1733 return ret_val; 1734 } 1735 1736 switch (hw->mac.type) { 1737 case e1000_82573: 1738 case e1000_82574: 1739 case e1000_82583: 1740 if (*data == ID_LED_RESERVED_F746) 1741 *data = ID_LED_DEFAULT_82573; 1742 break; 1743 default: 1744 if (*data == ID_LED_RESERVED_0000 || 1745 *data == ID_LED_RESERVED_FFFF) 1746 *data = ID_LED_DEFAULT; 1747 break; 1748 } 1749 1750 return 0; 1751 } 1752 1753 /** 1754 * e1000e_get_laa_state_82571 - Get locally administered address state 1755 * @hw: pointer to the HW structure 1756 * 1757 * Retrieve and return the current locally administered address state. 1758 **/ 1759 bool e1000e_get_laa_state_82571(struct e1000_hw *hw) 1760 { 1761 if (hw->mac.type != e1000_82571) 1762 return false; 1763 1764 return hw->dev_spec.e82571.laa_is_present; 1765 } 1766 1767 /** 1768 * e1000e_set_laa_state_82571 - Set locally administered address state 1769 * @hw: pointer to the HW structure 1770 * @state: enable/disable locally administered address 1771 * 1772 * Enable/Disable the current locally administered address state. 1773 **/ 1774 void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state) 1775 { 1776 if (hw->mac.type != e1000_82571) 1777 return; 1778 1779 hw->dev_spec.e82571.laa_is_present = state; 1780 1781 /* If workaround is activated... */ 1782 if (state) 1783 /* 1784 * Hold a copy of the LAA in RAR[14] This is done so that 1785 * between the time RAR[0] gets clobbered and the time it 1786 * gets fixed, the actual LAA is in one of the RARs and no 1787 * incoming packets directed to this port are dropped. 1788 * Eventually the LAA will be in RAR[0] and RAR[14]. 1789 */ 1790 hw->mac.ops.rar_set(hw, hw->mac.addr, 1791 hw->mac.rar_entry_count - 1); 1792 } 1793 1794 /** 1795 * e1000_fix_nvm_checksum_82571 - Fix EEPROM checksum 1796 * @hw: pointer to the HW structure 1797 * 1798 * Verifies that the EEPROM has completed the update. After updating the 1799 * EEPROM, we need to check bit 15 in work 0x23 for the checksum fix. If 1800 * the checksum fix is not implemented, we need to set the bit and update 1801 * the checksum. Otherwise, if bit 15 is set and the checksum is incorrect, 1802 * we need to return bad checksum. 1803 **/ 1804 static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw) 1805 { 1806 struct e1000_nvm_info *nvm = &hw->nvm; 1807 s32 ret_val; 1808 u16 data; 1809 1810 if (nvm->type != e1000_nvm_flash_hw) 1811 return 0; 1812 1813 /* 1814 * Check bit 4 of word 10h. If it is 0, firmware is done updating 1815 * 10h-12h. Checksum may need to be fixed. 1816 */ 1817 ret_val = e1000_read_nvm(hw, 0x10, 1, &data); 1818 if (ret_val) 1819 return ret_val; 1820 1821 if (!(data & 0x10)) { 1822 /* 1823 * Read 0x23 and check bit 15. This bit is a 1 1824 * when the checksum has already been fixed. If 1825 * the checksum is still wrong and this bit is a 1826 * 1, we need to return bad checksum. Otherwise, 1827 * we need to set this bit to a 1 and update the 1828 * checksum. 1829 */ 1830 ret_val = e1000_read_nvm(hw, 0x23, 1, &data); 1831 if (ret_val) 1832 return ret_val; 1833 1834 if (!(data & 0x8000)) { 1835 data |= 0x8000; 1836 ret_val = e1000_write_nvm(hw, 0x23, 1, &data); 1837 if (ret_val) 1838 return ret_val; 1839 ret_val = e1000e_update_nvm_checksum(hw); 1840 } 1841 } 1842 1843 return 0; 1844 } 1845 1846 /** 1847 * e1000_read_mac_addr_82571 - Read device MAC address 1848 * @hw: pointer to the HW structure 1849 **/ 1850 static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw) 1851 { 1852 if (hw->mac.type == e1000_82571) { 1853 s32 ret_val = 0; 1854 1855 /* 1856 * If there's an alternate MAC address place it in RAR0 1857 * so that it will override the Si installed default perm 1858 * address. 1859 */ 1860 ret_val = e1000_check_alt_mac_addr_generic(hw); 1861 if (ret_val) 1862 return ret_val; 1863 } 1864 1865 return e1000_read_mac_addr_generic(hw); 1866 } 1867 1868 /** 1869 * e1000_power_down_phy_copper_82571 - Remove link during PHY power down 1870 * @hw: pointer to the HW structure 1871 * 1872 * In the case of a PHY power down to save power, or to turn off link during a 1873 * driver unload, or wake on lan is not enabled, remove the link. 1874 **/ 1875 static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw) 1876 { 1877 struct e1000_phy_info *phy = &hw->phy; 1878 struct e1000_mac_info *mac = &hw->mac; 1879 1880 if (!phy->ops.check_reset_block) 1881 return; 1882 1883 /* If the management interface is not enabled, then power down */ 1884 if (!(mac->ops.check_mng_mode(hw) || phy->ops.check_reset_block(hw))) 1885 e1000_power_down_phy_copper(hw); 1886 } 1887 1888 /** 1889 * e1000_clear_hw_cntrs_82571 - Clear device specific hardware counters 1890 * @hw: pointer to the HW structure 1891 * 1892 * Clears the hardware counters by reading the counter registers. 1893 **/ 1894 static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw) 1895 { 1896 e1000e_clear_hw_cntrs_base(hw); 1897 1898 er32(PRC64); 1899 er32(PRC127); 1900 er32(PRC255); 1901 er32(PRC511); 1902 er32(PRC1023); 1903 er32(PRC1522); 1904 er32(PTC64); 1905 er32(PTC127); 1906 er32(PTC255); 1907 er32(PTC511); 1908 er32(PTC1023); 1909 er32(PTC1522); 1910 1911 er32(ALGNERRC); 1912 er32(RXERRC); 1913 er32(TNCRS); 1914 er32(CEXTERR); 1915 er32(TSCTC); 1916 er32(TSCTFC); 1917 1918 er32(MGTPRC); 1919 er32(MGTPDC); 1920 er32(MGTPTC); 1921 1922 er32(IAC); 1923 er32(ICRXOC); 1924 1925 er32(ICRXPTC); 1926 er32(ICRXATC); 1927 er32(ICTXPTC); 1928 er32(ICTXATC); 1929 er32(ICTXQEC); 1930 er32(ICTXQMTC); 1931 er32(ICRXDMTC); 1932 } 1933 1934 static const struct e1000_mac_operations e82571_mac_ops = { 1935 /* .check_mng_mode: mac type dependent */ 1936 /* .check_for_link: media type dependent */ 1937 .id_led_init = e1000e_id_led_init_generic, 1938 .cleanup_led = e1000e_cleanup_led_generic, 1939 .clear_hw_cntrs = e1000_clear_hw_cntrs_82571, 1940 .get_bus_info = e1000e_get_bus_info_pcie, 1941 .set_lan_id = e1000_set_lan_id_multi_port_pcie, 1942 /* .get_link_up_info: media type dependent */ 1943 /* .led_on: mac type dependent */ 1944 .led_off = e1000e_led_off_generic, 1945 .update_mc_addr_list = e1000e_update_mc_addr_list_generic, 1946 .write_vfta = e1000_write_vfta_generic, 1947 .clear_vfta = e1000_clear_vfta_82571, 1948 .reset_hw = e1000_reset_hw_82571, 1949 .init_hw = e1000_init_hw_82571, 1950 .setup_link = e1000_setup_link_82571, 1951 /* .setup_physical_interface: media type dependent */ 1952 .setup_led = e1000e_setup_led_generic, 1953 .config_collision_dist = e1000e_config_collision_dist_generic, 1954 .read_mac_addr = e1000_read_mac_addr_82571, 1955 .rar_set = e1000e_rar_set_generic, 1956 }; 1957 1958 static const struct e1000_phy_operations e82_phy_ops_igp = { 1959 .acquire = e1000_get_hw_semaphore_82571, 1960 .check_polarity = e1000_check_polarity_igp, 1961 .check_reset_block = e1000e_check_reset_block_generic, 1962 .commit = NULL, 1963 .force_speed_duplex = e1000e_phy_force_speed_duplex_igp, 1964 .get_cfg_done = e1000_get_cfg_done_82571, 1965 .get_cable_length = e1000e_get_cable_length_igp_2, 1966 .get_info = e1000e_get_phy_info_igp, 1967 .read_reg = e1000e_read_phy_reg_igp, 1968 .release = e1000_put_hw_semaphore_82571, 1969 .reset = e1000e_phy_hw_reset_generic, 1970 .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, 1971 .set_d3_lplu_state = e1000e_set_d3_lplu_state, 1972 .write_reg = e1000e_write_phy_reg_igp, 1973 .cfg_on_link_up = NULL, 1974 }; 1975 1976 static const struct e1000_phy_operations e82_phy_ops_m88 = { 1977 .acquire = e1000_get_hw_semaphore_82571, 1978 .check_polarity = e1000_check_polarity_m88, 1979 .check_reset_block = e1000e_check_reset_block_generic, 1980 .commit = e1000e_phy_sw_reset, 1981 .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, 1982 .get_cfg_done = e1000e_get_cfg_done, 1983 .get_cable_length = e1000e_get_cable_length_m88, 1984 .get_info = e1000e_get_phy_info_m88, 1985 .read_reg = e1000e_read_phy_reg_m88, 1986 .release = e1000_put_hw_semaphore_82571, 1987 .reset = e1000e_phy_hw_reset_generic, 1988 .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, 1989 .set_d3_lplu_state = e1000e_set_d3_lplu_state, 1990 .write_reg = e1000e_write_phy_reg_m88, 1991 .cfg_on_link_up = NULL, 1992 }; 1993 1994 static const struct e1000_phy_operations e82_phy_ops_bm = { 1995 .acquire = e1000_get_hw_semaphore_82571, 1996 .check_polarity = e1000_check_polarity_m88, 1997 .check_reset_block = e1000e_check_reset_block_generic, 1998 .commit = e1000e_phy_sw_reset, 1999 .force_speed_duplex = e1000e_phy_force_speed_duplex_m88, 2000 .get_cfg_done = e1000e_get_cfg_done, 2001 .get_cable_length = e1000e_get_cable_length_m88, 2002 .get_info = e1000e_get_phy_info_m88, 2003 .read_reg = e1000e_read_phy_reg_bm2, 2004 .release = e1000_put_hw_semaphore_82571, 2005 .reset = e1000e_phy_hw_reset_generic, 2006 .set_d0_lplu_state = e1000_set_d0_lplu_state_82571, 2007 .set_d3_lplu_state = e1000e_set_d3_lplu_state, 2008 .write_reg = e1000e_write_phy_reg_bm2, 2009 .cfg_on_link_up = NULL, 2010 }; 2011 2012 static const struct e1000_nvm_operations e82571_nvm_ops = { 2013 .acquire = e1000_acquire_nvm_82571, 2014 .read = e1000e_read_nvm_eerd, 2015 .release = e1000_release_nvm_82571, 2016 .reload = e1000e_reload_nvm_generic, 2017 .update = e1000_update_nvm_checksum_82571, 2018 .valid_led_default = e1000_valid_led_default_82571, 2019 .validate = e1000_validate_nvm_checksum_82571, 2020 .write = e1000_write_nvm_82571, 2021 }; 2022 2023 const struct e1000_info e1000_82571_info = { 2024 .mac = e1000_82571, 2025 .flags = FLAG_HAS_HW_VLAN_FILTER 2026 | FLAG_HAS_JUMBO_FRAMES 2027 | FLAG_HAS_WOL 2028 | FLAG_APME_IN_CTRL3 2029 | FLAG_HAS_CTRLEXT_ON_LOAD 2030 | FLAG_HAS_SMART_POWER_DOWN 2031 | FLAG_RESET_OVERWRITES_LAA /* errata */ 2032 | FLAG_TARC_SPEED_MODE_BIT /* errata */ 2033 | FLAG_APME_CHECK_PORT_B, 2034 .flags2 = FLAG2_DISABLE_ASPM_L1 /* errata 13 */ 2035 | FLAG2_DMA_BURST, 2036 .pba = 38, 2037 .max_hw_frame_size = DEFAULT_JUMBO, 2038 .get_variants = e1000_get_variants_82571, 2039 .mac_ops = &e82571_mac_ops, 2040 .phy_ops = &e82_phy_ops_igp, 2041 .nvm_ops = &e82571_nvm_ops, 2042 }; 2043 2044 const struct e1000_info e1000_82572_info = { 2045 .mac = e1000_82572, 2046 .flags = FLAG_HAS_HW_VLAN_FILTER 2047 | FLAG_HAS_JUMBO_FRAMES 2048 | FLAG_HAS_WOL 2049 | FLAG_APME_IN_CTRL3 2050 | FLAG_HAS_CTRLEXT_ON_LOAD 2051 | FLAG_TARC_SPEED_MODE_BIT, /* errata */ 2052 .flags2 = FLAG2_DISABLE_ASPM_L1 /* errata 13 */ 2053 | FLAG2_DMA_BURST, 2054 .pba = 38, 2055 .max_hw_frame_size = DEFAULT_JUMBO, 2056 .get_variants = e1000_get_variants_82571, 2057 .mac_ops = &e82571_mac_ops, 2058 .phy_ops = &e82_phy_ops_igp, 2059 .nvm_ops = &e82571_nvm_ops, 2060 }; 2061 2062 const struct e1000_info e1000_82573_info = { 2063 .mac = e1000_82573, 2064 .flags = FLAG_HAS_HW_VLAN_FILTER 2065 | FLAG_HAS_WOL 2066 | FLAG_APME_IN_CTRL3 2067 | FLAG_HAS_SMART_POWER_DOWN 2068 | FLAG_HAS_AMT 2069 | FLAG_HAS_SWSM_ON_LOAD, 2070 .flags2 = FLAG2_DISABLE_ASPM_L1 2071 | FLAG2_DISABLE_ASPM_L0S, 2072 .pba = 20, 2073 .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, 2074 .get_variants = e1000_get_variants_82571, 2075 .mac_ops = &e82571_mac_ops, 2076 .phy_ops = &e82_phy_ops_m88, 2077 .nvm_ops = &e82571_nvm_ops, 2078 }; 2079 2080 const struct e1000_info e1000_82574_info = { 2081 .mac = e1000_82574, 2082 .flags = FLAG_HAS_HW_VLAN_FILTER 2083 | FLAG_HAS_MSIX 2084 | FLAG_HAS_JUMBO_FRAMES 2085 | FLAG_HAS_WOL 2086 | FLAG_APME_IN_CTRL3 2087 | FLAG_HAS_SMART_POWER_DOWN 2088 | FLAG_HAS_AMT 2089 | FLAG_HAS_CTRLEXT_ON_LOAD, 2090 .flags2 = FLAG2_CHECK_PHY_HANG 2091 | FLAG2_DISABLE_ASPM_L0S 2092 | FLAG2_DISABLE_ASPM_L1 2093 | FLAG2_NO_DISABLE_RX 2094 | FLAG2_DMA_BURST, 2095 .pba = 32, 2096 .max_hw_frame_size = DEFAULT_JUMBO, 2097 .get_variants = e1000_get_variants_82571, 2098 .mac_ops = &e82571_mac_ops, 2099 .phy_ops = &e82_phy_ops_bm, 2100 .nvm_ops = &e82571_nvm_ops, 2101 }; 2102 2103 const struct e1000_info e1000_82583_info = { 2104 .mac = e1000_82583, 2105 .flags = FLAG_HAS_HW_VLAN_FILTER 2106 | FLAG_HAS_WOL 2107 | FLAG_APME_IN_CTRL3 2108 | FLAG_HAS_SMART_POWER_DOWN 2109 | FLAG_HAS_AMT 2110 | FLAG_HAS_JUMBO_FRAMES 2111 | FLAG_HAS_CTRLEXT_ON_LOAD, 2112 .flags2 = FLAG2_DISABLE_ASPM_L0S 2113 | FLAG2_NO_DISABLE_RX, 2114 .pba = 32, 2115 .max_hw_frame_size = DEFAULT_JUMBO, 2116 .get_variants = e1000_get_variants_82571, 2117 .mac_ops = &e82571_mac_ops, 2118 .phy_ops = &e82_phy_ops_bm, 2119 .nvm_ops = &e82571_nvm_ops, 2120 }; 2121 2122