e1000_i210.c revision 4b9ea4626b52c113c367c4776c9bb11b7231393d
1/******************************************************************************* 2 3 Intel(R) Gigabit Ethernet Linux driver 4 Copyright(c) 2007-2013 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 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26******************************************************************************/ 27 28/* e1000_i210 29 * e1000_i211 30 */ 31 32#include <linux/types.h> 33#include <linux/if_ether.h> 34 35#include "e1000_hw.h" 36#include "e1000_i210.h" 37 38/** 39 * igb_get_hw_semaphore_i210 - Acquire hardware semaphore 40 * @hw: pointer to the HW structure 41 * 42 * Acquire the HW semaphore to access the PHY or NVM 43 */ 44static s32 igb_get_hw_semaphore_i210(struct e1000_hw *hw) 45{ 46 u32 swsm; 47 s32 ret_val = E1000_SUCCESS; 48 s32 timeout = hw->nvm.word_size + 1; 49 s32 i = 0; 50 51 /* Get the FW semaphore. */ 52 for (i = 0; i < timeout; i++) { 53 swsm = rd32(E1000_SWSM); 54 wr32(E1000_SWSM, swsm | E1000_SWSM_SWESMBI); 55 56 /* Semaphore acquired if bit latched */ 57 if (rd32(E1000_SWSM) & E1000_SWSM_SWESMBI) 58 break; 59 60 udelay(50); 61 } 62 63 if (i == timeout) { 64 /* Release semaphores */ 65 igb_put_hw_semaphore(hw); 66 hw_dbg("Driver can't access the NVM\n"); 67 ret_val = -E1000_ERR_NVM; 68 goto out; 69 } 70 71out: 72 return ret_val; 73} 74 75/** 76 * igb_acquire_nvm_i210 - Request for access to EEPROM 77 * @hw: pointer to the HW structure 78 * 79 * Acquire the necessary semaphores for exclusive access to the EEPROM. 80 * Set the EEPROM access request bit and wait for EEPROM access grant bit. 81 * Return successful if access grant bit set, else clear the request for 82 * EEPROM access and return -E1000_ERR_NVM (-1). 83 **/ 84s32 igb_acquire_nvm_i210(struct e1000_hw *hw) 85{ 86 return igb_acquire_swfw_sync_i210(hw, E1000_SWFW_EEP_SM); 87} 88 89/** 90 * igb_release_nvm_i210 - Release exclusive access to EEPROM 91 * @hw: pointer to the HW structure 92 * 93 * Stop any current commands to the EEPROM and clear the EEPROM request bit, 94 * then release the semaphores acquired. 95 **/ 96void igb_release_nvm_i210(struct e1000_hw *hw) 97{ 98 igb_release_swfw_sync_i210(hw, E1000_SWFW_EEP_SM); 99} 100 101/** 102 * igb_put_hw_semaphore_i210 - Release hardware semaphore 103 * @hw: pointer to the HW structure 104 * 105 * Release hardware semaphore used to access the PHY or NVM 106 */ 107static void igb_put_hw_semaphore_i210(struct e1000_hw *hw) 108{ 109 u32 swsm; 110 111 swsm = rd32(E1000_SWSM); 112 113 swsm &= ~E1000_SWSM_SWESMBI; 114 115 wr32(E1000_SWSM, swsm); 116} 117 118/** 119 * igb_acquire_swfw_sync_i210 - Acquire SW/FW semaphore 120 * @hw: pointer to the HW structure 121 * @mask: specifies which semaphore to acquire 122 * 123 * Acquire the SW/FW semaphore to access the PHY or NVM. The mask 124 * will also specify which port we're acquiring the lock for. 125 **/ 126s32 igb_acquire_swfw_sync_i210(struct e1000_hw *hw, u16 mask) 127{ 128 u32 swfw_sync; 129 u32 swmask = mask; 130 u32 fwmask = mask << 16; 131 s32 ret_val = E1000_SUCCESS; 132 s32 i = 0, timeout = 200; /* FIXME: find real value to use here */ 133 134 while (i < timeout) { 135 if (igb_get_hw_semaphore_i210(hw)) { 136 ret_val = -E1000_ERR_SWFW_SYNC; 137 goto out; 138 } 139 140 swfw_sync = rd32(E1000_SW_FW_SYNC); 141 if (!(swfw_sync & fwmask)) 142 break; 143 144 /* 145 * Firmware currently using resource (fwmask) 146 */ 147 igb_put_hw_semaphore_i210(hw); 148 mdelay(5); 149 i++; 150 } 151 152 if (i == timeout) { 153 hw_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n"); 154 ret_val = -E1000_ERR_SWFW_SYNC; 155 goto out; 156 } 157 158 swfw_sync |= swmask; 159 wr32(E1000_SW_FW_SYNC, swfw_sync); 160 161 igb_put_hw_semaphore_i210(hw); 162out: 163 return ret_val; 164} 165 166/** 167 * igb_release_swfw_sync_i210 - Release SW/FW semaphore 168 * @hw: pointer to the HW structure 169 * @mask: specifies which semaphore to acquire 170 * 171 * Release the SW/FW semaphore used to access the PHY or NVM. The mask 172 * will also specify which port we're releasing the lock for. 173 **/ 174void igb_release_swfw_sync_i210(struct e1000_hw *hw, u16 mask) 175{ 176 u32 swfw_sync; 177 178 while (igb_get_hw_semaphore_i210(hw) != E1000_SUCCESS) 179 ; /* Empty */ 180 181 swfw_sync = rd32(E1000_SW_FW_SYNC); 182 swfw_sync &= ~mask; 183 wr32(E1000_SW_FW_SYNC, swfw_sync); 184 185 igb_put_hw_semaphore_i210(hw); 186} 187 188/** 189 * igb_read_nvm_srrd_i210 - Reads Shadow Ram using EERD register 190 * @hw: pointer to the HW structure 191 * @offset: offset of word in the Shadow Ram to read 192 * @words: number of words to read 193 * @data: word read from the Shadow Ram 194 * 195 * Reads a 16 bit word from the Shadow Ram using the EERD register. 196 * Uses necessary synchronization semaphores. 197 **/ 198s32 igb_read_nvm_srrd_i210(struct e1000_hw *hw, u16 offset, u16 words, 199 u16 *data) 200{ 201 s32 status = E1000_SUCCESS; 202 u16 i, count; 203 204 /* We cannot hold synchronization semaphores for too long, 205 * because of forceful takeover procedure. However it is more efficient 206 * to read in bursts than synchronizing access for each word. */ 207 for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) { 208 count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ? 209 E1000_EERD_EEWR_MAX_COUNT : (words - i); 210 if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { 211 status = igb_read_nvm_eerd(hw, offset, count, 212 data + i); 213 hw->nvm.ops.release(hw); 214 } else { 215 status = E1000_ERR_SWFW_SYNC; 216 } 217 218 if (status != E1000_SUCCESS) 219 break; 220 } 221 222 return status; 223} 224 225/** 226 * igb_write_nvm_srwr - Write to Shadow Ram using EEWR 227 * @hw: pointer to the HW structure 228 * @offset: offset within the Shadow Ram to be written to 229 * @words: number of words to write 230 * @data: 16 bit word(s) to be written to the Shadow Ram 231 * 232 * Writes data to Shadow Ram at offset using EEWR register. 233 * 234 * If igb_update_nvm_checksum is not called after this function , the 235 * Shadow Ram will most likely contain an invalid checksum. 236 **/ 237static s32 igb_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words, 238 u16 *data) 239{ 240 struct e1000_nvm_info *nvm = &hw->nvm; 241 u32 i, k, eewr = 0; 242 u32 attempts = 100000; 243 s32 ret_val = E1000_SUCCESS; 244 245 /* 246 * A check for invalid values: offset too large, too many words, 247 * too many words for the offset, and not enough words. 248 */ 249 if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || 250 (words == 0)) { 251 hw_dbg("nvm parameter(s) out of bounds\n"); 252 ret_val = -E1000_ERR_NVM; 253 goto out; 254 } 255 256 for (i = 0; i < words; i++) { 257 eewr = ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) | 258 (data[i] << E1000_NVM_RW_REG_DATA) | 259 E1000_NVM_RW_REG_START; 260 261 wr32(E1000_SRWR, eewr); 262 263 for (k = 0; k < attempts; k++) { 264 if (E1000_NVM_RW_REG_DONE & 265 rd32(E1000_SRWR)) { 266 ret_val = E1000_SUCCESS; 267 break; 268 } 269 udelay(5); 270 } 271 272 if (ret_val != E1000_SUCCESS) { 273 hw_dbg("Shadow RAM write EEWR timed out\n"); 274 break; 275 } 276 } 277 278out: 279 return ret_val; 280} 281 282/** 283 * igb_write_nvm_srwr_i210 - Write to Shadow RAM using EEWR 284 * @hw: pointer to the HW structure 285 * @offset: offset within the Shadow RAM to be written to 286 * @words: number of words to write 287 * @data: 16 bit word(s) to be written to the Shadow RAM 288 * 289 * Writes data to Shadow RAM at offset using EEWR register. 290 * 291 * If e1000_update_nvm_checksum is not called after this function , the 292 * data will not be committed to FLASH and also Shadow RAM will most likely 293 * contain an invalid checksum. 294 * 295 * If error code is returned, data and Shadow RAM may be inconsistent - buffer 296 * partially written. 297 */ 298s32 igb_write_nvm_srwr_i210(struct e1000_hw *hw, u16 offset, u16 words, 299 u16 *data) 300{ 301 s32 status = E1000_SUCCESS; 302 u16 i, count; 303 304 /* We cannot hold synchronization semaphores for too long, 305 * because of forceful takeover procedure. However it is more efficient 306 * to write in bursts than synchronizing access for each word. 307 */ 308 for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) { 309 count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ? 310 E1000_EERD_EEWR_MAX_COUNT : (words - i); 311 if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { 312 status = igb_write_nvm_srwr(hw, offset, count, 313 data + i); 314 hw->nvm.ops.release(hw); 315 } else { 316 status = E1000_ERR_SWFW_SYNC; 317 } 318 319 if (status != E1000_SUCCESS) 320 break; 321 } 322 323 return status; 324} 325 326/** 327 * igb_read_nvm_i211 - Read NVM wrapper function for I211 328 * @hw: pointer to the HW structure 329 * @address: the word address (aka eeprom offset) to read 330 * @data: pointer to the data read 331 * 332 * Wrapper function to return data formerly found in the NVM. 333 **/ 334s32 igb_read_nvm_i211(struct e1000_hw *hw, u16 offset, u16 words, 335 u16 *data) 336{ 337 s32 ret_val = E1000_SUCCESS; 338 339 /* Only the MAC addr is required to be present in the iNVM */ 340 switch (offset) { 341 case NVM_MAC_ADDR: 342 ret_val = igb_read_invm_i211(hw, offset, &data[0]); 343 ret_val |= igb_read_invm_i211(hw, offset+1, &data[1]); 344 ret_val |= igb_read_invm_i211(hw, offset+2, &data[2]); 345 if (ret_val != E1000_SUCCESS) 346 hw_dbg("MAC Addr not found in iNVM\n"); 347 break; 348 case NVM_INIT_CTRL_2: 349 ret_val = igb_read_invm_i211(hw, (u8)offset, data); 350 if (ret_val != E1000_SUCCESS) { 351 *data = NVM_INIT_CTRL_2_DEFAULT_I211; 352 ret_val = E1000_SUCCESS; 353 } 354 break; 355 case NVM_INIT_CTRL_4: 356 ret_val = igb_read_invm_i211(hw, (u8)offset, data); 357 if (ret_val != E1000_SUCCESS) { 358 *data = NVM_INIT_CTRL_4_DEFAULT_I211; 359 ret_val = E1000_SUCCESS; 360 } 361 break; 362 case NVM_LED_1_CFG: 363 ret_val = igb_read_invm_i211(hw, (u8)offset, data); 364 if (ret_val != E1000_SUCCESS) { 365 *data = NVM_LED_1_CFG_DEFAULT_I211; 366 ret_val = E1000_SUCCESS; 367 } 368 break; 369 case NVM_LED_0_2_CFG: 370 igb_read_invm_i211(hw, offset, data); 371 if (ret_val != E1000_SUCCESS) { 372 *data = NVM_LED_0_2_CFG_DEFAULT_I211; 373 ret_val = E1000_SUCCESS; 374 } 375 break; 376 case NVM_ID_LED_SETTINGS: 377 ret_val = igb_read_invm_i211(hw, (u8)offset, data); 378 if (ret_val != E1000_SUCCESS) { 379 *data = ID_LED_RESERVED_FFFF; 380 ret_val = E1000_SUCCESS; 381 } 382 case NVM_SUB_DEV_ID: 383 *data = hw->subsystem_device_id; 384 break; 385 case NVM_SUB_VEN_ID: 386 *data = hw->subsystem_vendor_id; 387 break; 388 case NVM_DEV_ID: 389 *data = hw->device_id; 390 break; 391 case NVM_VEN_ID: 392 *data = hw->vendor_id; 393 break; 394 default: 395 hw_dbg("NVM word 0x%02x is not mapped.\n", offset); 396 *data = NVM_RESERVED_WORD; 397 break; 398 } 399 return ret_val; 400} 401 402/** 403 * igb_read_invm_i211 - Reads OTP 404 * @hw: pointer to the HW structure 405 * @address: the word address (aka eeprom offset) to read 406 * @data: pointer to the data read 407 * 408 * Reads 16-bit words from the OTP. Return error when the word is not 409 * stored in OTP. 410 **/ 411s32 igb_read_invm_i211(struct e1000_hw *hw, u16 address, u16 *data) 412{ 413 s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND; 414 u32 invm_dword; 415 u16 i; 416 u8 record_type, word_address; 417 418 for (i = 0; i < E1000_INVM_SIZE; i++) { 419 invm_dword = rd32(E1000_INVM_DATA_REG(i)); 420 /* Get record type */ 421 record_type = INVM_DWORD_TO_RECORD_TYPE(invm_dword); 422 if (record_type == E1000_INVM_UNINITIALIZED_STRUCTURE) 423 break; 424 if (record_type == E1000_INVM_CSR_AUTOLOAD_STRUCTURE) 425 i += E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS; 426 if (record_type == E1000_INVM_RSA_KEY_SHA256_STRUCTURE) 427 i += E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS; 428 if (record_type == E1000_INVM_WORD_AUTOLOAD_STRUCTURE) { 429 word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword); 430 if (word_address == (u8)address) { 431 *data = INVM_DWORD_TO_WORD_DATA(invm_dword); 432 hw_dbg("Read INVM Word 0x%02x = %x", 433 address, *data); 434 status = E1000_SUCCESS; 435 break; 436 } 437 } 438 } 439 if (status != E1000_SUCCESS) 440 hw_dbg("Requested word 0x%02x not found in OTP\n", address); 441 return status; 442} 443 444/** 445 * igb_read_invm_version - Reads iNVM version and image type 446 * @hw: pointer to the HW structure 447 * @invm_ver: version structure for the version read 448 * 449 * Reads iNVM version and image type. 450 **/ 451s32 igb_read_invm_version(struct e1000_hw *hw, 452 struct e1000_fw_version *invm_ver) { 453 u32 *record = NULL; 454 u32 *next_record = NULL; 455 u32 i = 0; 456 u32 invm_dword = 0; 457 u32 invm_blocks = E1000_INVM_SIZE - (E1000_INVM_ULT_BYTES_SIZE / 458 E1000_INVM_RECORD_SIZE_IN_BYTES); 459 u32 buffer[E1000_INVM_SIZE]; 460 s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND; 461 u16 version = 0; 462 463 /* Read iNVM memory */ 464 for (i = 0; i < E1000_INVM_SIZE; i++) { 465 invm_dword = rd32(E1000_INVM_DATA_REG(i)); 466 buffer[i] = invm_dword; 467 } 468 469 /* Read version number */ 470 for (i = 1; i < invm_blocks; i++) { 471 record = &buffer[invm_blocks - i]; 472 next_record = &buffer[invm_blocks - i + 1]; 473 474 /* Check if we have first version location used */ 475 if ((i == 1) && ((*record & E1000_INVM_VER_FIELD_ONE) == 0)) { 476 version = 0; 477 status = E1000_SUCCESS; 478 break; 479 } 480 /* Check if we have second version location used */ 481 else if ((i == 1) && 482 ((*record & E1000_INVM_VER_FIELD_TWO) == 0)) { 483 version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3; 484 status = E1000_SUCCESS; 485 break; 486 } 487 /* Check if we have odd version location 488 * used and it is the last one used 489 */ 490 else if ((((*record & E1000_INVM_VER_FIELD_ONE) == 0) && 491 ((*record & 0x3) == 0)) || (((*record & 0x3) != 0) && 492 (i != 1))) { 493 version = (*next_record & E1000_INVM_VER_FIELD_TWO) 494 >> 13; 495 status = E1000_SUCCESS; 496 break; 497 } 498 /* Check if we have even version location 499 * used and it is the last one used 500 */ 501 else if (((*record & E1000_INVM_VER_FIELD_TWO) == 0) && 502 ((*record & 0x3) == 0)) { 503 version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3; 504 status = E1000_SUCCESS; 505 break; 506 } 507 } 508 509 if (status == E1000_SUCCESS) { 510 invm_ver->invm_major = (version & E1000_INVM_MAJOR_MASK) 511 >> E1000_INVM_MAJOR_SHIFT; 512 invm_ver->invm_minor = version & E1000_INVM_MINOR_MASK; 513 } 514 /* Read Image Type */ 515 for (i = 1; i < invm_blocks; i++) { 516 record = &buffer[invm_blocks - i]; 517 next_record = &buffer[invm_blocks - i + 1]; 518 519 /* Check if we have image type in first location used */ 520 if ((i == 1) && ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) { 521 invm_ver->invm_img_type = 0; 522 status = E1000_SUCCESS; 523 break; 524 } 525 /* Check if we have image type in first location used */ 526 else if ((((*record & 0x3) == 0) && 527 ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) || 528 ((((*record & 0x3) != 0) && (i != 1)))) { 529 invm_ver->invm_img_type = 530 (*next_record & E1000_INVM_IMGTYPE_FIELD) >> 23; 531 status = E1000_SUCCESS; 532 break; 533 } 534 } 535 return status; 536} 537 538/** 539 * igb_validate_nvm_checksum_i210 - Validate EEPROM checksum 540 * @hw: pointer to the HW structure 541 * 542 * Calculates the EEPROM checksum by reading/adding each word of the EEPROM 543 * and then verifies that the sum of the EEPROM is equal to 0xBABA. 544 **/ 545s32 igb_validate_nvm_checksum_i210(struct e1000_hw *hw) 546{ 547 s32 status = E1000_SUCCESS; 548 s32 (*read_op_ptr)(struct e1000_hw *, u16, u16, u16 *); 549 550 if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { 551 552 /* 553 * Replace the read function with semaphore grabbing with 554 * the one that skips this for a while. 555 * We have semaphore taken already here. 556 */ 557 read_op_ptr = hw->nvm.ops.read; 558 hw->nvm.ops.read = igb_read_nvm_eerd; 559 560 status = igb_validate_nvm_checksum(hw); 561 562 /* Revert original read operation. */ 563 hw->nvm.ops.read = read_op_ptr; 564 565 hw->nvm.ops.release(hw); 566 } else { 567 status = E1000_ERR_SWFW_SYNC; 568 } 569 570 return status; 571} 572 573 574/** 575 * igb_update_nvm_checksum_i210 - Update EEPROM checksum 576 * @hw: pointer to the HW structure 577 * 578 * Updates the EEPROM checksum by reading/adding each word of the EEPROM 579 * up to the checksum. Then calculates the EEPROM checksum and writes the 580 * value to the EEPROM. Next commit EEPROM data onto the Flash. 581 **/ 582s32 igb_update_nvm_checksum_i210(struct e1000_hw *hw) 583{ 584 s32 ret_val = E1000_SUCCESS; 585 u16 checksum = 0; 586 u16 i, nvm_data; 587 588 /* 589 * Read the first word from the EEPROM. If this times out or fails, do 590 * not continue or we could be in for a very long wait while every 591 * EEPROM read fails 592 */ 593 ret_val = igb_read_nvm_eerd(hw, 0, 1, &nvm_data); 594 if (ret_val != E1000_SUCCESS) { 595 hw_dbg("EEPROM read failed\n"); 596 goto out; 597 } 598 599 if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { 600 /* 601 * Do not use hw->nvm.ops.write, hw->nvm.ops.read 602 * because we do not want to take the synchronization 603 * semaphores twice here. 604 */ 605 606 for (i = 0; i < NVM_CHECKSUM_REG; i++) { 607 ret_val = igb_read_nvm_eerd(hw, i, 1, &nvm_data); 608 if (ret_val) { 609 hw->nvm.ops.release(hw); 610 hw_dbg("NVM Read Error while updating checksum.\n"); 611 goto out; 612 } 613 checksum += nvm_data; 614 } 615 checksum = (u16) NVM_SUM - checksum; 616 ret_val = igb_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1, 617 &checksum); 618 if (ret_val != E1000_SUCCESS) { 619 hw->nvm.ops.release(hw); 620 hw_dbg("NVM Write Error while updating checksum.\n"); 621 goto out; 622 } 623 624 hw->nvm.ops.release(hw); 625 626 ret_val = igb_update_flash_i210(hw); 627 } else { 628 ret_val = -E1000_ERR_SWFW_SYNC; 629 } 630out: 631 return ret_val; 632} 633 634/** 635 * igb_pool_flash_update_done_i210 - Pool FLUDONE status. 636 * @hw: pointer to the HW structure 637 * 638 */ 639static s32 igb_pool_flash_update_done_i210(struct e1000_hw *hw) 640{ 641 s32 ret_val = -E1000_ERR_NVM; 642 u32 i, reg; 643 644 for (i = 0; i < E1000_FLUDONE_ATTEMPTS; i++) { 645 reg = rd32(E1000_EECD); 646 if (reg & E1000_EECD_FLUDONE_I210) { 647 ret_val = E1000_SUCCESS; 648 break; 649 } 650 udelay(5); 651 } 652 653 return ret_val; 654} 655 656/** 657 * igb_update_flash_i210 - Commit EEPROM to the flash 658 * @hw: pointer to the HW structure 659 * 660 **/ 661s32 igb_update_flash_i210(struct e1000_hw *hw) 662{ 663 s32 ret_val = E1000_SUCCESS; 664 u32 flup; 665 666 ret_val = igb_pool_flash_update_done_i210(hw); 667 if (ret_val == -E1000_ERR_NVM) { 668 hw_dbg("Flash update time out\n"); 669 goto out; 670 } 671 672 flup = rd32(E1000_EECD) | E1000_EECD_FLUPD_I210; 673 wr32(E1000_EECD, flup); 674 675 ret_val = igb_pool_flash_update_done_i210(hw); 676 if (ret_val == E1000_SUCCESS) 677 hw_dbg("Flash update complete\n"); 678 else 679 hw_dbg("Flash update time out\n"); 680 681out: 682 return ret_val; 683} 684 685/** 686 * igb_valid_led_default_i210 - Verify a valid default LED config 687 * @hw: pointer to the HW structure 688 * @data: pointer to the NVM (EEPROM) 689 * 690 * Read the EEPROM for the current default LED configuration. If the 691 * LED configuration is not valid, set to a valid LED configuration. 692 **/ 693s32 igb_valid_led_default_i210(struct e1000_hw *hw, u16 *data) 694{ 695 s32 ret_val; 696 697 ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data); 698 if (ret_val) { 699 hw_dbg("NVM Read Error\n"); 700 goto out; 701 } 702 703 if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) { 704 switch (hw->phy.media_type) { 705 case e1000_media_type_internal_serdes: 706 *data = ID_LED_DEFAULT_I210_SERDES; 707 break; 708 case e1000_media_type_copper: 709 default: 710 *data = ID_LED_DEFAULT_I210; 711 break; 712 } 713 } 714out: 715 return ret_val; 716} 717