1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <drm/amdgpu_drm.h> 25 #include "amdgpu.h" 26 #include "atomfirmware.h" 27 #include "amdgpu_atomfirmware.h" 28 #include "atom.h" 29 #include "atombios.h" 30 #include "soc15_hw_ip.h" 31 32 union firmware_info { 33 struct atom_firmware_info_v3_1 v31; 34 struct atom_firmware_info_v3_2 v32; 35 struct atom_firmware_info_v3_3 v33; 36 struct atom_firmware_info_v3_4 v34; 37 }; 38 39 /* 40 * Helper function to query firmware capability 41 * 42 * @adev: amdgpu_device pointer 43 * 44 * Return firmware_capability in firmwareinfo table on success or 0 if not 45 */ 46 uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *adev) 47 { 48 struct amdgpu_mode_info *mode_info = &adev->mode_info; 49 int index; 50 u16 data_offset, size; 51 union firmware_info *firmware_info; 52 u8 frev, crev; 53 u32 fw_cap = 0; 54 55 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 56 firmwareinfo); 57 58 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, 59 index, &size, &frev, &crev, &data_offset)) { 60 /* support firmware_info 3.1 + */ 61 if ((frev == 3 && crev >= 1) || (frev > 3)) { 62 firmware_info = (union firmware_info *) 63 (mode_info->atom_context->bios + data_offset); 64 fw_cap = le32_to_cpu(firmware_info->v31.firmware_capability); 65 } 66 } 67 68 return fw_cap; 69 } 70 71 /* 72 * Helper function to query gpu virtualizaiton capability 73 * 74 * @adev: amdgpu_device pointer 75 * 76 * Return true if gpu virtualization is supported or false if not 77 */ 78 bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev) 79 { 80 u32 fw_cap; 81 82 fw_cap = adev->mode_info.firmware_flags; 83 84 return (fw_cap & ATOM_FIRMWARE_CAP_GPU_VIRTUALIZATION) ? true : false; 85 } 86 87 void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev) 88 { 89 int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 90 firmwareinfo); 91 uint16_t data_offset; 92 93 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, NULL, 94 NULL, NULL, &data_offset)) { 95 struct atom_firmware_info_v3_1 *firmware_info = 96 (struct atom_firmware_info_v3_1 *)(adev->mode_info.atom_context->bios + 97 data_offset); 98 99 adev->bios_scratch_reg_offset = 100 le32_to_cpu(firmware_info->bios_scratch_reg_startaddr); 101 } 102 } 103 104 static int amdgpu_atomfirmware_allocate_fb_v2_1(struct amdgpu_device *adev, 105 struct vram_usagebyfirmware_v2_1 *fw_usage, int *usage_bytes) 106 { 107 u32 start_addr, fw_size, drv_size; 108 109 start_addr = le32_to_cpu(fw_usage->start_address_in_kb); 110 fw_size = le16_to_cpu(fw_usage->used_by_firmware_in_kb); 111 drv_size = le16_to_cpu(fw_usage->used_by_driver_in_kb); 112 113 DRM_DEBUG("atom firmware v2_1 requested %08x %dkb fw %dkb drv\n", 114 start_addr, 115 fw_size, 116 drv_size); 117 118 if ((start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) == 119 (u32)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION << 120 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) { 121 /* Firmware request VRAM reservation for SR-IOV */ 122 adev->mman.fw_vram_usage_start_offset = (start_addr & 123 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; 124 adev->mman.fw_vram_usage_size = fw_size << 10; 125 /* Use the default scratch size */ 126 *usage_bytes = 0; 127 } else { 128 *usage_bytes = drv_size << 10; 129 } 130 return 0; 131 } 132 133 static int amdgpu_atomfirmware_allocate_fb_v2_2(struct amdgpu_device *adev, 134 struct vram_usagebyfirmware_v2_2 *fw_usage, int *usage_bytes) 135 { 136 u32 fw_start_addr, fw_size, drv_start_addr, drv_size; 137 138 fw_start_addr = le32_to_cpu(fw_usage->fw_region_start_address_in_kb); 139 fw_size = le16_to_cpu(fw_usage->used_by_firmware_in_kb); 140 141 drv_start_addr = le32_to_cpu(fw_usage->driver_region0_start_address_in_kb); 142 drv_size = le32_to_cpu(fw_usage->used_by_driver_region0_in_kb); 143 144 DRM_DEBUG("atom requested fw start at %08x %dkb and drv start at %08x %dkb\n", 145 fw_start_addr, 146 fw_size, 147 drv_start_addr, 148 drv_size); 149 150 if (amdgpu_sriov_vf(adev) && 151 ((fw_start_addr & (ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION << 152 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) == 0)) { 153 /* Firmware request VRAM reservation for SR-IOV */ 154 adev->mman.fw_vram_usage_start_offset = (fw_start_addr & 155 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; 156 adev->mman.fw_vram_usage_size = fw_size << 10; 157 } 158 159 if (amdgpu_sriov_vf(adev) && 160 ((drv_start_addr & (ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION << 161 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) == 0)) { 162 /* driver request VRAM reservation for SR-IOV */ 163 adev->mman.drv_vram_usage_start_offset = (drv_start_addr & 164 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10; 165 adev->mman.drv_vram_usage_size = drv_size << 10; 166 } 167 168 *usage_bytes = 0; 169 return 0; 170 } 171 172 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev) 173 { 174 struct atom_context *ctx = adev->mode_info.atom_context; 175 int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 176 vram_usagebyfirmware); 177 struct vram_usagebyfirmware_v2_1 *fw_usage_v2_1; 178 struct vram_usagebyfirmware_v2_2 *fw_usage_v2_2; 179 u16 data_offset; 180 u8 frev, crev; 181 int usage_bytes = 0; 182 183 if (amdgpu_atom_parse_data_header(ctx, index, NULL, &frev, &crev, &data_offset)) { 184 if (frev == 2 && crev == 1) { 185 fw_usage_v2_1 = 186 (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset); 187 amdgpu_atomfirmware_allocate_fb_v2_1(adev, 188 fw_usage_v2_1, 189 &usage_bytes); 190 } else if (frev >= 2 && crev >= 2) { 191 fw_usage_v2_2 = 192 (struct vram_usagebyfirmware_v2_2 *)(ctx->bios + data_offset); 193 amdgpu_atomfirmware_allocate_fb_v2_2(adev, 194 fw_usage_v2_2, 195 &usage_bytes); 196 } 197 } 198 199 ctx->scratch_size_bytes = 0; 200 if (usage_bytes == 0) 201 usage_bytes = 20 * 1024; 202 /* allocate some scratch memory */ 203 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); 204 if (!ctx->scratch) 205 return -ENOMEM; 206 ctx->scratch_size_bytes = usage_bytes; 207 return 0; 208 } 209 210 union igp_info { 211 struct atom_integrated_system_info_v1_11 v11; 212 struct atom_integrated_system_info_v1_12 v12; 213 struct atom_integrated_system_info_v2_1 v21; 214 }; 215 216 union umc_info { 217 struct atom_umc_info_v3_1 v31; 218 struct atom_umc_info_v3_2 v32; 219 struct atom_umc_info_v3_3 v33; 220 struct atom_umc_info_v4_0 v40; 221 }; 222 223 union vram_info { 224 struct atom_vram_info_header_v2_3 v23; 225 struct atom_vram_info_header_v2_4 v24; 226 struct atom_vram_info_header_v2_5 v25; 227 struct atom_vram_info_header_v2_6 v26; 228 struct atom_vram_info_header_v3_0 v30; 229 }; 230 231 union vram_module { 232 struct atom_vram_module_v9 v9; 233 struct atom_vram_module_v10 v10; 234 struct atom_vram_module_v11 v11; 235 struct atom_vram_module_v3_0 v30; 236 }; 237 238 static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev, 239 int atom_mem_type) 240 { 241 int vram_type; 242 243 if (adev->flags & AMD_IS_APU) { 244 switch (atom_mem_type) { 245 case Ddr2MemType: 246 case LpDdr2MemType: 247 vram_type = AMDGPU_VRAM_TYPE_DDR2; 248 break; 249 case Ddr3MemType: 250 case LpDdr3MemType: 251 vram_type = AMDGPU_VRAM_TYPE_DDR3; 252 break; 253 case Ddr4MemType: 254 vram_type = AMDGPU_VRAM_TYPE_DDR4; 255 break; 256 case LpDdr4MemType: 257 vram_type = AMDGPU_VRAM_TYPE_LPDDR4; 258 break; 259 case Ddr5MemType: 260 vram_type = AMDGPU_VRAM_TYPE_DDR5; 261 break; 262 case LpDdr5MemType: 263 vram_type = AMDGPU_VRAM_TYPE_LPDDR5; 264 break; 265 default: 266 vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; 267 break; 268 } 269 } else { 270 switch (atom_mem_type) { 271 case ATOM_DGPU_VRAM_TYPE_GDDR5: 272 vram_type = AMDGPU_VRAM_TYPE_GDDR5; 273 break; 274 case ATOM_DGPU_VRAM_TYPE_HBM2: 275 case ATOM_DGPU_VRAM_TYPE_HBM2E: 276 case ATOM_DGPU_VRAM_TYPE_HBM3: 277 vram_type = AMDGPU_VRAM_TYPE_HBM; 278 break; 279 case ATOM_DGPU_VRAM_TYPE_GDDR6: 280 vram_type = AMDGPU_VRAM_TYPE_GDDR6; 281 break; 282 default: 283 vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; 284 break; 285 } 286 } 287 288 return vram_type; 289 } 290 291 292 int 293 amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev, 294 int *vram_width, int *vram_type, 295 int *vram_vendor) 296 { 297 struct amdgpu_mode_info *mode_info = &adev->mode_info; 298 int index, i = 0; 299 u16 data_offset, size; 300 union igp_info *igp_info; 301 union vram_info *vram_info; 302 union vram_module *vram_module; 303 u8 frev, crev; 304 u8 mem_type; 305 u8 mem_vendor; 306 u32 mem_channel_number; 307 u32 mem_channel_width; 308 u32 module_id; 309 310 if (adev->flags & AMD_IS_APU) 311 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 312 integratedsysteminfo); 313 else 314 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 315 vram_info); 316 317 if (amdgpu_atom_parse_data_header(mode_info->atom_context, 318 index, &size, 319 &frev, &crev, &data_offset)) { 320 if (adev->flags & AMD_IS_APU) { 321 igp_info = (union igp_info *) 322 (mode_info->atom_context->bios + data_offset); 323 switch (frev) { 324 case 1: 325 switch (crev) { 326 case 11: 327 case 12: 328 mem_channel_number = igp_info->v11.umachannelnumber; 329 if (!mem_channel_number) 330 mem_channel_number = 1; 331 mem_type = igp_info->v11.memorytype; 332 if (mem_type == LpDdr5MemType) 333 mem_channel_width = 32; 334 else 335 mem_channel_width = 64; 336 if (vram_width) 337 *vram_width = mem_channel_number * mem_channel_width; 338 if (vram_type) 339 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 340 break; 341 default: 342 return -EINVAL; 343 } 344 break; 345 case 2: 346 switch (crev) { 347 case 1: 348 case 2: 349 mem_channel_number = igp_info->v21.umachannelnumber; 350 if (!mem_channel_number) 351 mem_channel_number = 1; 352 mem_type = igp_info->v21.memorytype; 353 if (mem_type == LpDdr5MemType) 354 mem_channel_width = 32; 355 else 356 mem_channel_width = 64; 357 if (vram_width) 358 *vram_width = mem_channel_number * mem_channel_width; 359 if (vram_type) 360 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 361 break; 362 default: 363 return -EINVAL; 364 } 365 break; 366 default: 367 return -EINVAL; 368 } 369 } else { 370 vram_info = (union vram_info *) 371 (mode_info->atom_context->bios + data_offset); 372 module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16; 373 if (frev == 3) { 374 switch (crev) { 375 /* v30 */ 376 case 0: 377 vram_module = (union vram_module *)vram_info->v30.vram_module; 378 mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF; 379 if (vram_vendor) 380 *vram_vendor = mem_vendor; 381 mem_type = vram_info->v30.memory_type; 382 if (vram_type) 383 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 384 mem_channel_number = vram_info->v30.channel_num; 385 mem_channel_width = vram_info->v30.channel_width; 386 if (vram_width) 387 *vram_width = mem_channel_number * (1 << mem_channel_width); 388 break; 389 default: 390 return -EINVAL; 391 } 392 } else if (frev == 2) { 393 switch (crev) { 394 /* v23 */ 395 case 3: 396 if (module_id > vram_info->v23.vram_module_num) 397 module_id = 0; 398 vram_module = (union vram_module *)vram_info->v23.vram_module; 399 while (i < module_id) { 400 vram_module = (union vram_module *) 401 ((u8 *)vram_module + vram_module->v9.vram_module_size); 402 i++; 403 } 404 mem_type = vram_module->v9.memory_type; 405 if (vram_type) 406 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 407 mem_channel_number = vram_module->v9.channel_num; 408 mem_channel_width = vram_module->v9.channel_width; 409 if (vram_width) 410 *vram_width = mem_channel_number * (1 << mem_channel_width); 411 mem_vendor = (vram_module->v9.vender_rev_id) & 0xF; 412 if (vram_vendor) 413 *vram_vendor = mem_vendor; 414 break; 415 /* v24 */ 416 case 4: 417 if (module_id > vram_info->v24.vram_module_num) 418 module_id = 0; 419 vram_module = (union vram_module *)vram_info->v24.vram_module; 420 while (i < module_id) { 421 vram_module = (union vram_module *) 422 ((u8 *)vram_module + vram_module->v10.vram_module_size); 423 i++; 424 } 425 mem_type = vram_module->v10.memory_type; 426 if (vram_type) 427 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 428 mem_channel_number = vram_module->v10.channel_num; 429 mem_channel_width = vram_module->v10.channel_width; 430 if (vram_width) 431 *vram_width = mem_channel_number * (1 << mem_channel_width); 432 mem_vendor = (vram_module->v10.vender_rev_id) & 0xF; 433 if (vram_vendor) 434 *vram_vendor = mem_vendor; 435 break; 436 /* v25 */ 437 case 5: 438 if (module_id > vram_info->v25.vram_module_num) 439 module_id = 0; 440 vram_module = (union vram_module *)vram_info->v25.vram_module; 441 while (i < module_id) { 442 vram_module = (union vram_module *) 443 ((u8 *)vram_module + vram_module->v11.vram_module_size); 444 i++; 445 } 446 mem_type = vram_module->v11.memory_type; 447 if (vram_type) 448 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 449 mem_channel_number = vram_module->v11.channel_num; 450 mem_channel_width = vram_module->v11.channel_width; 451 if (vram_width) 452 *vram_width = mem_channel_number * (1 << mem_channel_width); 453 mem_vendor = (vram_module->v11.vender_rev_id) & 0xF; 454 if (vram_vendor) 455 *vram_vendor = mem_vendor; 456 break; 457 /* v26 */ 458 case 6: 459 if (module_id > vram_info->v26.vram_module_num) 460 module_id = 0; 461 vram_module = (union vram_module *)vram_info->v26.vram_module; 462 while (i < module_id) { 463 vram_module = (union vram_module *) 464 ((u8 *)vram_module + vram_module->v9.vram_module_size); 465 i++; 466 } 467 mem_type = vram_module->v9.memory_type; 468 if (vram_type) 469 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); 470 mem_channel_number = vram_module->v9.channel_num; 471 mem_channel_width = vram_module->v9.channel_width; 472 if (vram_width) 473 *vram_width = mem_channel_number * (1 << mem_channel_width); 474 mem_vendor = (vram_module->v9.vender_rev_id) & 0xF; 475 if (vram_vendor) 476 *vram_vendor = mem_vendor; 477 break; 478 default: 479 return -EINVAL; 480 } 481 } else { 482 /* invalid frev */ 483 return -EINVAL; 484 } 485 } 486 487 } 488 489 return 0; 490 } 491 492 /* 493 * Return true if vbios enabled ecc by default, if umc info table is available 494 * or false if ecc is not enabled or umc info table is not available 495 */ 496 bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev) 497 { 498 struct amdgpu_mode_info *mode_info = &adev->mode_info; 499 int index; 500 u16 data_offset, size; 501 union umc_info *umc_info; 502 u8 frev, crev; 503 bool ecc_default_enabled = false; 504 u8 umc_config; 505 u32 umc_config1; 506 507 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 508 umc_info); 509 510 if (amdgpu_atom_parse_data_header(mode_info->atom_context, 511 index, &size, &frev, &crev, &data_offset)) { 512 umc_info = (union umc_info *)(mode_info->atom_context->bios + data_offset); 513 if (frev == 3) { 514 switch (crev) { 515 case 1: 516 umc_config = le32_to_cpu(umc_info->v31.umc_config); 517 ecc_default_enabled = 518 (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false; 519 break; 520 case 2: 521 umc_config = le32_to_cpu(umc_info->v32.umc_config); 522 ecc_default_enabled = 523 (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false; 524 break; 525 case 3: 526 umc_config = le32_to_cpu(umc_info->v33.umc_config); 527 umc_config1 = le32_to_cpu(umc_info->v33.umc_config1); 528 ecc_default_enabled = 529 ((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) || 530 (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false; 531 break; 532 default: 533 /* unsupported crev */ 534 return false; 535 } 536 } else if (frev == 4) { 537 switch (crev) { 538 case 0: 539 umc_config1 = le32_to_cpu(umc_info->v40.umc_config1); 540 ecc_default_enabled = 541 (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE) ? true : false; 542 break; 543 default: 544 /* unsupported crev */ 545 return false; 546 } 547 } else { 548 /* unsupported frev */ 549 return false; 550 } 551 } 552 553 return ecc_default_enabled; 554 } 555 556 /* 557 * Helper function to query sram ecc capablity 558 * 559 * @adev: amdgpu_device pointer 560 * 561 * Return true if vbios supports sram ecc or false if not 562 */ 563 bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev) 564 { 565 u32 fw_cap; 566 567 fw_cap = adev->mode_info.firmware_flags; 568 569 return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false; 570 } 571 572 /* 573 * Helper function to query dynamic boot config capability 574 * 575 * @adev: amdgpu_device pointer 576 * 577 * Return true if vbios supports dynamic boot config or false if not 578 */ 579 bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev) 580 { 581 u32 fw_cap; 582 583 fw_cap = adev->mode_info.firmware_flags; 584 585 return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false; 586 } 587 588 /** 589 * amdgpu_atomfirmware_ras_rom_addr -- Get the RAS EEPROM addr from VBIOS 590 * @adev: amdgpu_device pointer 591 * @i2c_address: pointer to u8; if not NULL, will contain 592 * the RAS EEPROM address if the function returns true 593 * 594 * Return true if VBIOS supports RAS EEPROM address reporting, 595 * else return false. If true and @i2c_address is not NULL, 596 * will contain the RAS ROM address. 597 */ 598 bool amdgpu_atomfirmware_ras_rom_addr(struct amdgpu_device *adev, 599 u8 *i2c_address) 600 { 601 struct amdgpu_mode_info *mode_info = &adev->mode_info; 602 int index; 603 u16 data_offset, size; 604 union firmware_info *firmware_info; 605 u8 frev, crev; 606 607 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 608 firmwareinfo); 609 610 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, 611 index, &size, &frev, &crev, 612 &data_offset)) { 613 /* support firmware_info 3.4 + */ 614 if ((frev == 3 && crev >= 4) || (frev > 3)) { 615 firmware_info = (union firmware_info *) 616 (mode_info->atom_context->bios + data_offset); 617 /* The ras_rom_i2c_slave_addr should ideally 618 * be a 19-bit EEPROM address, which would be 619 * used as is by the driver; see top of 620 * amdgpu_eeprom.c. 621 * 622 * When this is the case, 0 is of course a 623 * valid RAS EEPROM address, in which case, 624 * we'll drop the first "if (firm...)" and only 625 * leave the check for the pointer. 626 * 627 * The reason this works right now is because 628 * ras_rom_i2c_slave_addr contains the EEPROM 629 * device type qualifier 1010b in the top 4 630 * bits. 631 */ 632 if (firmware_info->v34.ras_rom_i2c_slave_addr) { 633 if (i2c_address) 634 *i2c_address = firmware_info->v34.ras_rom_i2c_slave_addr; 635 return true; 636 } 637 } 638 } 639 640 return false; 641 } 642 643 644 union smu_info { 645 struct atom_smu_info_v3_1 v31; 646 struct atom_smu_info_v4_0 v40; 647 }; 648 649 union gfx_info { 650 struct atom_gfx_info_v2_2 v22; 651 struct atom_gfx_info_v2_4 v24; 652 struct atom_gfx_info_v2_7 v27; 653 struct atom_gfx_info_v3_0 v30; 654 }; 655 656 int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev) 657 { 658 struct amdgpu_mode_info *mode_info = &adev->mode_info; 659 struct amdgpu_pll *spll = &adev->clock.spll; 660 struct amdgpu_pll *mpll = &adev->clock.mpll; 661 uint8_t frev, crev; 662 uint16_t data_offset; 663 int ret = -EINVAL, index; 664 665 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 666 firmwareinfo); 667 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 668 &frev, &crev, &data_offset)) { 669 union firmware_info *firmware_info = 670 (union firmware_info *)(mode_info->atom_context->bios + 671 data_offset); 672 673 adev->clock.default_sclk = 674 le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz); 675 adev->clock.default_mclk = 676 le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz); 677 678 adev->pm.current_sclk = adev->clock.default_sclk; 679 adev->pm.current_mclk = adev->clock.default_mclk; 680 681 ret = 0; 682 } 683 684 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 685 smu_info); 686 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 687 &frev, &crev, &data_offset)) { 688 union smu_info *smu_info = 689 (union smu_info *)(mode_info->atom_context->bios + 690 data_offset); 691 692 /* system clock */ 693 if (frev == 3) 694 spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz); 695 else if (frev == 4) 696 spll->reference_freq = le32_to_cpu(smu_info->v40.core_refclk_10khz); 697 698 spll->reference_div = 0; 699 spll->min_post_div = 1; 700 spll->max_post_div = 1; 701 spll->min_ref_div = 2; 702 spll->max_ref_div = 0xff; 703 spll->min_feedback_div = 4; 704 spll->max_feedback_div = 0xff; 705 spll->best_vco = 0; 706 707 ret = 0; 708 } 709 710 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 711 umc_info); 712 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 713 &frev, &crev, &data_offset)) { 714 union umc_info *umc_info = 715 (union umc_info *)(mode_info->atom_context->bios + 716 data_offset); 717 718 /* memory clock */ 719 mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz); 720 721 mpll->reference_div = 0; 722 mpll->min_post_div = 1; 723 mpll->max_post_div = 1; 724 mpll->min_ref_div = 2; 725 mpll->max_ref_div = 0xff; 726 mpll->min_feedback_div = 4; 727 mpll->max_feedback_div = 0xff; 728 mpll->best_vco = 0; 729 730 ret = 0; 731 } 732 733 /* if asic is Navi+, the rlc reference clock is used for system clock 734 * from vbios gfx_info table */ 735 if (adev->asic_type >= CHIP_NAVI10) { 736 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 737 gfx_info); 738 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 739 &frev, &crev, &data_offset)) { 740 union gfx_info *gfx_info = (union gfx_info *) 741 (mode_info->atom_context->bios + data_offset); 742 if ((frev == 3) || 743 (frev == 2 && crev == 6)) { 744 spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk); 745 ret = 0; 746 } else if ((frev == 2) && 747 (crev >= 2) && 748 (crev != 6)) { 749 spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk); 750 ret = 0; 751 } else { 752 BUG(); 753 } 754 } 755 } 756 757 return ret; 758 } 759 760 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev) 761 { 762 struct amdgpu_mode_info *mode_info = &adev->mode_info; 763 int index; 764 uint8_t frev, crev; 765 uint16_t data_offset; 766 767 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 768 gfx_info); 769 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 770 &frev, &crev, &data_offset)) { 771 union gfx_info *gfx_info = (union gfx_info *) 772 (mode_info->atom_context->bios + data_offset); 773 if (frev == 2) { 774 switch (crev) { 775 case 4: 776 adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines; 777 adev->gfx.config.max_cu_per_sh = gfx_info->v24.max_cu_per_sh; 778 adev->gfx.config.max_sh_per_se = gfx_info->v24.max_sh_per_se; 779 adev->gfx.config.max_backends_per_se = gfx_info->v24.max_backends_per_se; 780 adev->gfx.config.max_texture_channel_caches = gfx_info->v24.max_texture_channel_caches; 781 adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs); 782 adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds; 783 adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth; 784 adev->gfx.config.gs_prim_buffer_depth = 785 le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth); 786 adev->gfx.config.double_offchip_lds_buf = 787 gfx_info->v24.gc_double_offchip_lds_buffer; 788 adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v24.gc_wave_size); 789 adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd); 790 adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu; 791 adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size); 792 return 0; 793 case 7: 794 adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines; 795 adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh; 796 adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se; 797 adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se; 798 adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches; 799 adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs); 800 adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds; 801 adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth; 802 adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth); 803 adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer; 804 adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size); 805 adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd); 806 adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu; 807 adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size); 808 return 0; 809 default: 810 return -EINVAL; 811 } 812 } else if (frev == 3) { 813 switch (crev) { 814 case 0: 815 adev->gfx.config.max_shader_engines = gfx_info->v30.max_shader_engines; 816 adev->gfx.config.max_cu_per_sh = gfx_info->v30.max_cu_per_sh; 817 adev->gfx.config.max_sh_per_se = gfx_info->v30.max_sh_per_se; 818 adev->gfx.config.max_backends_per_se = gfx_info->v30.max_backends_per_se; 819 adev->gfx.config.max_texture_channel_caches = gfx_info->v30.max_texture_channel_caches; 820 return 0; 821 default: 822 return -EINVAL; 823 } 824 } else { 825 return -EINVAL; 826 } 827 828 } 829 return -EINVAL; 830 } 831 832 /* 833 * Helper function to query two stage mem training capability 834 * 835 * @adev: amdgpu_device pointer 836 * 837 * Return true if two stage mem training is supported or false if not 838 */ 839 bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev) 840 { 841 u32 fw_cap; 842 843 fw_cap = adev->mode_info.firmware_flags; 844 845 return (fw_cap & ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING) ? true : false; 846 } 847 848 int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev) 849 { 850 struct atom_context *ctx = adev->mode_info.atom_context; 851 union firmware_info *firmware_info; 852 int index; 853 u16 data_offset, size; 854 u8 frev, crev; 855 int fw_reserved_fb_size; 856 857 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 858 firmwareinfo); 859 860 if (!amdgpu_atom_parse_data_header(ctx, index, &size, 861 &frev, &crev, &data_offset)) 862 /* fail to parse data_header */ 863 return 0; 864 865 firmware_info = (union firmware_info *)(ctx->bios + data_offset); 866 867 if (frev != 3) 868 return -EINVAL; 869 870 switch (crev) { 871 case 4: 872 fw_reserved_fb_size = 873 (firmware_info->v34.fw_reserved_size_in_kb << 10); 874 break; 875 default: 876 fw_reserved_fb_size = 0; 877 break; 878 } 879 880 return fw_reserved_fb_size; 881 } 882 883 /* 884 * Helper function to execute asic_init table 885 * 886 * @adev: amdgpu_device pointer 887 * @fb_reset: flag to indicate whether fb is reset or not 888 * 889 * Return 0 if succeed, otherwise failed 890 */ 891 int amdgpu_atomfirmware_asic_init(struct amdgpu_device *adev, bool fb_reset) 892 { 893 struct amdgpu_mode_info *mode_info = &adev->mode_info; 894 struct atom_context *ctx; 895 uint8_t frev, crev; 896 uint16_t data_offset; 897 uint32_t bootup_sclk_in10khz, bootup_mclk_in10khz; 898 struct asic_init_ps_allocation_v2_1 asic_init_ps_v2_1; 899 int index; 900 901 if (!mode_info) 902 return -EINVAL; 903 904 ctx = mode_info->atom_context; 905 if (!ctx) 906 return -EINVAL; 907 908 /* query bootup sclk/mclk from firmware_info table */ 909 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, 910 firmwareinfo); 911 if (amdgpu_atom_parse_data_header(ctx, index, NULL, 912 &frev, &crev, &data_offset)) { 913 union firmware_info *firmware_info = 914 (union firmware_info *)(ctx->bios + 915 data_offset); 916 917 bootup_sclk_in10khz = 918 le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz); 919 bootup_mclk_in10khz = 920 le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz); 921 } else { 922 return -EINVAL; 923 } 924 925 index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1, 926 asic_init); 927 if (amdgpu_atom_parse_cmd_header(mode_info->atom_context, index, &frev, &crev)) { 928 if (frev == 2 && crev >= 1) { 929 memset(&asic_init_ps_v2_1, 0, sizeof(asic_init_ps_v2_1)); 930 asic_init_ps_v2_1.param.engineparam.sclkfreqin10khz = bootup_sclk_in10khz; 931 asic_init_ps_v2_1.param.memparam.mclkfreqin10khz = bootup_mclk_in10khz; 932 asic_init_ps_v2_1.param.engineparam.engineflag = b3NORMAL_ENGINE_INIT; 933 if (!fb_reset) 934 asic_init_ps_v2_1.param.memparam.memflag = b3DRAM_SELF_REFRESH_EXIT; 935 else 936 asic_init_ps_v2_1.param.memparam.memflag = 0; 937 } else { 938 return -EINVAL; 939 } 940 } else { 941 return -EINVAL; 942 } 943 944 return amdgpu_atom_execute_table(ctx, ATOM_CMD_INIT, (uint32_t *)&asic_init_ps_v2_1); 945 } 946