1 /* 2 * Copyright 2018 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 #include <linux/firmware.h> 24 #include <linux/module.h> 25 #include <linux/vmalloc.h> 26 #include <drm/drm_drv.h> 27 28 #include "amdgpu.h" 29 #include "amdgpu_psp.h" 30 #include "amdgpu_ras.h" 31 #include "amdgpu_ucode.h" 32 #include "soc15_common.h" 33 #include "psp_v11_0.h" 34 35 #include "mp/mp_11_0_offset.h" 36 #include "mp/mp_11_0_sh_mask.h" 37 #include "gc/gc_9_0_offset.h" 38 #include "sdma0/sdma0_4_0_offset.h" 39 #include "nbio/nbio_7_4_offset.h" 40 41 #include "oss/osssys_4_0_offset.h" 42 #include "oss/osssys_4_0_sh_mask.h" 43 44 MODULE_FIRMWARE("amdgpu/vega20_sos.bin"); 45 MODULE_FIRMWARE("amdgpu/vega20_asd.bin"); 46 MODULE_FIRMWARE("amdgpu/vega20_ta.bin"); 47 MODULE_FIRMWARE("amdgpu/navi10_sos.bin"); 48 MODULE_FIRMWARE("amdgpu/navi10_asd.bin"); 49 MODULE_FIRMWARE("amdgpu/navi10_ta.bin"); 50 MODULE_FIRMWARE("amdgpu/navi14_sos.bin"); 51 MODULE_FIRMWARE("amdgpu/navi14_asd.bin"); 52 MODULE_FIRMWARE("amdgpu/navi14_ta.bin"); 53 MODULE_FIRMWARE("amdgpu/navi12_sos.bin"); 54 MODULE_FIRMWARE("amdgpu/navi12_asd.bin"); 55 MODULE_FIRMWARE("amdgpu/navi12_ta.bin"); 56 MODULE_FIRMWARE("amdgpu/navi12_cap.bin"); 57 MODULE_FIRMWARE("amdgpu/arcturus_sos.bin"); 58 MODULE_FIRMWARE("amdgpu/arcturus_asd.bin"); 59 MODULE_FIRMWARE("amdgpu/arcturus_ta.bin"); 60 MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin"); 61 MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin"); 62 MODULE_FIRMWARE("amdgpu/sienna_cichlid_cap.bin"); 63 MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin"); 64 MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin"); 65 MODULE_FIRMWARE("amdgpu/vangogh_asd.bin"); 66 MODULE_FIRMWARE("amdgpu/vangogh_toc.bin"); 67 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sos.bin"); 68 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_ta.bin"); 69 MODULE_FIRMWARE("amdgpu/beige_goby_sos.bin"); 70 MODULE_FIRMWARE("amdgpu/beige_goby_ta.bin"); 71 72 /* address block */ 73 #define smnMP1_FIRMWARE_FLAGS 0x3010024 74 /* navi10 reg offset define */ 75 #define mmRLC_GPM_UCODE_ADDR_NV10 0x5b61 76 #define mmRLC_GPM_UCODE_DATA_NV10 0x5b62 77 #define mmSDMA0_UCODE_ADDR_NV10 0x5880 78 #define mmSDMA0_UCODE_DATA_NV10 0x5881 79 /* memory training timeout define */ 80 #define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000 81 82 /* For large FW files the time to complete can be very long */ 83 #define USBC_PD_POLLING_LIMIT_S 240 84 85 /* Read USB-PD from LFB */ 86 #define GFX_CMD_USB_PD_USE_LFB 0x480 87 88 static int psp_v11_0_init_microcode(struct psp_context *psp) 89 { 90 struct amdgpu_device *adev = psp->adev; 91 char ucode_prefix[30]; 92 int err = 0; 93 94 DRM_DEBUG("\n"); 95 96 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix)); 97 98 switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) { 99 case IP_VERSION(11, 0, 2): 100 case IP_VERSION(11, 0, 4): 101 err = psp_init_sos_microcode(psp, ucode_prefix); 102 if (err) 103 return err; 104 err = psp_init_asd_microcode(psp, ucode_prefix); 105 if (err) 106 return err; 107 err = psp_init_ta_microcode(psp, ucode_prefix); 108 adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0; 109 break; 110 case IP_VERSION(11, 0, 0): 111 case IP_VERSION(11, 0, 5): 112 case IP_VERSION(11, 0, 9): 113 err = psp_init_sos_microcode(psp, ucode_prefix); 114 if (err) 115 return err; 116 err = psp_init_asd_microcode(psp, ucode_prefix); 117 if (err) 118 return err; 119 err = psp_init_ta_microcode(psp, ucode_prefix); 120 adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0; 121 break; 122 case IP_VERSION(11, 0, 7): 123 case IP_VERSION(11, 0, 11): 124 case IP_VERSION(11, 0, 12): 125 case IP_VERSION(11, 0, 13): 126 err = psp_init_sos_microcode(psp, ucode_prefix); 127 if (err) 128 return err; 129 err = psp_init_ta_microcode(psp, ucode_prefix); 130 break; 131 case IP_VERSION(11, 5, 0): 132 err = psp_init_asd_microcode(psp, ucode_prefix); 133 if (err) 134 return err; 135 err = psp_init_toc_microcode(psp, ucode_prefix); 136 break; 137 default: 138 BUG(); 139 } 140 141 return err; 142 } 143 144 static int psp_v11_0_wait_for_bootloader(struct psp_context *psp) 145 { 146 struct amdgpu_device *adev = psp->adev; 147 148 int ret; 149 int retry_loop; 150 151 for (retry_loop = 0; retry_loop < 10; retry_loop++) { 152 /* Wait for bootloader to signify that is 153 ready having bit 31 of C2PMSG_35 set to 1 */ 154 ret = psp_wait_for(psp, 155 SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 156 0x80000000, 157 0x80000000, 158 false); 159 160 if (ret == 0) 161 return 0; 162 } 163 164 return ret; 165 } 166 167 static bool psp_v11_0_is_sos_alive(struct psp_context *psp) 168 { 169 struct amdgpu_device *adev = psp->adev; 170 uint32_t sol_reg; 171 172 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); 173 174 return sol_reg != 0x0; 175 } 176 177 static int psp_v11_0_bootloader_load_component(struct psp_context *psp, 178 struct psp_bin_desc *bin_desc, 179 enum psp_bootloader_cmd bl_cmd) 180 { 181 int ret; 182 uint32_t psp_gfxdrv_command_reg = 0; 183 struct amdgpu_device *adev = psp->adev; 184 185 /* Check sOS sign of life register to confirm sys driver and sOS 186 * are already been loaded. 187 */ 188 if (psp_v11_0_is_sos_alive(psp)) 189 return 0; 190 191 ret = psp_v11_0_wait_for_bootloader(psp); 192 if (ret) 193 return ret; 194 195 /* Copy PSP System Driver binary to memory */ 196 psp_copy_fw(psp, bin_desc->start_addr, bin_desc->size_bytes); 197 198 /* Provide the sys driver to bootloader */ 199 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, 200 (uint32_t)(psp->fw_pri_mc_addr >> 20)); 201 psp_gfxdrv_command_reg = bl_cmd; 202 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 203 psp_gfxdrv_command_reg); 204 205 ret = psp_v11_0_wait_for_bootloader(psp); 206 207 return ret; 208 } 209 210 static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp) 211 { 212 return psp_v11_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE); 213 } 214 215 static int psp_v11_0_bootloader_load_spl(struct psp_context *psp) 216 { 217 return psp_v11_0_bootloader_load_component(psp, &psp->spl, PSP_BL__LOAD_TOS_SPL_TABLE); 218 } 219 220 static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp) 221 { 222 return psp_v11_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV); 223 } 224 225 static int psp_v11_0_bootloader_load_sos(struct psp_context *psp) 226 { 227 int ret; 228 unsigned int psp_gfxdrv_command_reg = 0; 229 struct amdgpu_device *adev = psp->adev; 230 231 /* Check sOS sign of life register to confirm sys driver and sOS 232 * are already been loaded. 233 */ 234 if (psp_v11_0_is_sos_alive(psp)) 235 return 0; 236 237 ret = psp_v11_0_wait_for_bootloader(psp); 238 if (ret) 239 return ret; 240 241 /* Copy Secure OS binary to PSP memory */ 242 psp_copy_fw(psp, psp->sos.start_addr, psp->sos.size_bytes); 243 244 /* Provide the PSP secure OS to bootloader */ 245 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, 246 (uint32_t)(psp->fw_pri_mc_addr >> 20)); 247 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV; 248 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 249 psp_gfxdrv_command_reg); 250 251 /* there might be handshake issue with hardware which needs delay */ 252 mdelay(20); 253 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81), 254 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81), 255 0, true); 256 257 return ret; 258 } 259 260 static int psp_v11_0_ring_stop(struct psp_context *psp, 261 enum psp_ring_type ring_type) 262 { 263 int ret = 0; 264 struct amdgpu_device *adev = psp->adev; 265 266 /* Write the ring destroy command*/ 267 if (amdgpu_sriov_vf(adev)) 268 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, 269 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING); 270 else 271 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, 272 GFX_CTRL_CMD_ID_DESTROY_RINGS); 273 274 /* there might be handshake issue with hardware which needs delay */ 275 mdelay(20); 276 277 /* Wait for response flag (bit 31) */ 278 if (amdgpu_sriov_vf(adev)) 279 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101), 280 0x80000000, 0x80000000, false); 281 else 282 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 283 0x80000000, 0x80000000, false); 284 285 return ret; 286 } 287 288 static int psp_v11_0_ring_create(struct psp_context *psp, 289 enum psp_ring_type ring_type) 290 { 291 int ret = 0; 292 unsigned int psp_ring_reg = 0; 293 struct psp_ring *ring = &psp->km_ring; 294 struct amdgpu_device *adev = psp->adev; 295 296 if (amdgpu_sriov_vf(adev)) { 297 ring->ring_wptr = 0; 298 ret = psp_v11_0_ring_stop(psp, ring_type); 299 if (ret) { 300 DRM_ERROR("psp_v11_0_ring_stop_sriov failed!\n"); 301 return ret; 302 } 303 304 /* Write low address of the ring to C2PMSG_102 */ 305 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); 306 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg); 307 /* Write high address of the ring to C2PMSG_103 */ 308 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); 309 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg); 310 311 /* Write the ring initialization command to C2PMSG_101 */ 312 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, 313 GFX_CTRL_CMD_ID_INIT_GPCOM_RING); 314 315 /* there might be handshake issue with hardware which needs delay */ 316 mdelay(20); 317 318 /* Wait for response flag (bit 31) in C2PMSG_101 */ 319 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101), 320 0x80000000, 0x8000FFFF, false); 321 322 } else { 323 /* Wait for sOS ready for ring creation */ 324 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 325 0x80000000, 0x80000000, false); 326 if (ret) { 327 DRM_ERROR("Failed to wait for sOS ready for ring creation\n"); 328 return ret; 329 } 330 331 /* Write low address of the ring to C2PMSG_69 */ 332 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); 333 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg); 334 /* Write high address of the ring to C2PMSG_70 */ 335 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); 336 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg); 337 /* Write size of ring to C2PMSG_71 */ 338 psp_ring_reg = ring->ring_size; 339 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg); 340 /* Write the ring initialization command to C2PMSG_64 */ 341 psp_ring_reg = ring_type; 342 psp_ring_reg = psp_ring_reg << 16; 343 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); 344 345 /* there might be handshake issue with hardware which needs delay */ 346 mdelay(20); 347 348 /* Wait for response flag (bit 31) in C2PMSG_64 */ 349 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 350 0x80000000, 0x8000FFFF, false); 351 } 352 353 return ret; 354 } 355 356 357 static int psp_v11_0_ring_destroy(struct psp_context *psp, 358 enum psp_ring_type ring_type) 359 { 360 int ret = 0; 361 struct psp_ring *ring = &psp->km_ring; 362 struct amdgpu_device *adev = psp->adev; 363 364 ret = psp_v11_0_ring_stop(psp, ring_type); 365 if (ret) 366 DRM_ERROR("Fail to stop psp ring\n"); 367 368 amdgpu_bo_free_kernel(&adev->firmware.rbuf, 369 &ring->ring_mem_mc_addr, 370 (void **)&ring->ring_mem); 371 372 return ret; 373 } 374 375 static int psp_v11_0_mode1_reset(struct psp_context *psp) 376 { 377 int ret; 378 uint32_t offset; 379 struct amdgpu_device *adev = psp->adev; 380 381 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64); 382 383 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false); 384 385 if (ret) { 386 DRM_INFO("psp is not working correctly before mode1 reset!\n"); 387 return -EINVAL; 388 } 389 390 /*send the mode 1 reset command*/ 391 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST); 392 393 msleep(500); 394 395 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33); 396 397 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false); 398 399 if (ret) { 400 DRM_INFO("psp mode 1 reset failed!\n"); 401 return -EINVAL; 402 } 403 404 DRM_INFO("psp mode1 reset succeed \n"); 405 406 return 0; 407 } 408 409 static int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg) 410 { 411 int ret; 412 int i; 413 uint32_t data_32; 414 int max_wait; 415 struct amdgpu_device *adev = psp->adev; 416 417 data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20); 418 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, data_32); 419 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, msg); 420 421 max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout; 422 for (i = 0; i < max_wait; i++) { 423 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 424 0x80000000, 0x80000000, false); 425 if (ret == 0) 426 break; 427 } 428 if (i < max_wait) 429 ret = 0; 430 else 431 ret = -ETIME; 432 433 DRM_DEBUG("training %s %s, cost %d @ %d ms\n", 434 (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long", 435 (ret == 0) ? "succeed" : "failed", 436 i, adev->usec_timeout/1000); 437 return ret; 438 } 439 440 /* 441 * save and restore process 442 */ 443 static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops) 444 { 445 struct psp_memory_training_context *ctx = &psp->mem_train_ctx; 446 uint32_t *pcache = (uint32_t *)ctx->sys_cache; 447 struct amdgpu_device *adev = psp->adev; 448 uint32_t p2c_header[4]; 449 uint32_t sz; 450 void *buf; 451 int ret, idx; 452 453 if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) { 454 DRM_DEBUG("Memory training is not supported.\n"); 455 return 0; 456 } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) { 457 DRM_ERROR("Memory training initialization failure.\n"); 458 return -EINVAL; 459 } 460 461 if (psp_v11_0_is_sos_alive(psp)) { 462 DRM_DEBUG("SOS is alive, skip memory training.\n"); 463 return 0; 464 } 465 466 amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false); 467 DRM_DEBUG("sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n", 468 pcache[0], pcache[1], pcache[2], pcache[3], 469 p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]); 470 471 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) { 472 DRM_DEBUG("Short training depends on restore.\n"); 473 ops |= PSP_MEM_TRAIN_RESTORE; 474 } 475 476 if ((ops & PSP_MEM_TRAIN_RESTORE) && 477 pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) { 478 DRM_DEBUG("sys_cache[0] is invalid, restore depends on save.\n"); 479 ops |= PSP_MEM_TRAIN_SAVE; 480 } 481 482 if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE && 483 !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE && 484 pcache[3] == p2c_header[3])) { 485 DRM_DEBUG("sys_cache is invalid or out-of-date, need save training data to sys_cache.\n"); 486 ops |= PSP_MEM_TRAIN_SAVE; 487 } 488 489 if ((ops & PSP_MEM_TRAIN_SAVE) && 490 p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) { 491 DRM_DEBUG("p2c_header[0] is invalid, save depends on long training.\n"); 492 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG; 493 } 494 495 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) { 496 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG; 497 ops |= PSP_MEM_TRAIN_SAVE; 498 } 499 500 DRM_DEBUG("Memory training ops:%x.\n", ops); 501 502 if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) { 503 /* 504 * Long training will encroach a certain amount on the bottom of VRAM; 505 * save the content from the bottom of VRAM to system memory 506 * before training, and restore it after training to avoid 507 * VRAM corruption. 508 */ 509 sz = GDDR6_MEM_TRAINING_ENCROACHED_SIZE; 510 511 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) { 512 DRM_ERROR("visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n", 513 adev->gmc.visible_vram_size, 514 adev->mman.aper_base_kaddr); 515 return -EINVAL; 516 } 517 518 buf = vmalloc(sz); 519 if (!buf) { 520 DRM_ERROR("failed to allocate system memory.\n"); 521 return -ENOMEM; 522 } 523 524 if (drm_dev_enter(adev_to_drm(adev), &idx)) { 525 memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz); 526 ret = psp_v11_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN); 527 if (ret) { 528 DRM_ERROR("Send long training msg failed.\n"); 529 vfree(buf); 530 drm_dev_exit(idx); 531 return ret; 532 } 533 534 memcpy_toio(adev->mman.aper_base_kaddr, buf, sz); 535 adev->hdp.funcs->flush_hdp(adev, NULL); 536 vfree(buf); 537 drm_dev_exit(idx); 538 } else { 539 vfree(buf); 540 return -ENODEV; 541 } 542 } 543 544 if (ops & PSP_MEM_TRAIN_SAVE) { 545 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false); 546 } 547 548 if (ops & PSP_MEM_TRAIN_RESTORE) { 549 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true); 550 } 551 552 if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) { 553 ret = psp_v11_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ? 554 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN); 555 if (ret) { 556 DRM_ERROR("send training msg failed.\n"); 557 return ret; 558 } 559 } 560 ctx->training_cnt++; 561 return 0; 562 } 563 564 static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp) 565 { 566 uint32_t data; 567 struct amdgpu_device *adev = psp->adev; 568 569 if (amdgpu_sriov_vf(adev)) 570 data = psp->km_ring.ring_wptr; 571 else 572 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); 573 574 return data; 575 } 576 577 static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value) 578 { 579 struct amdgpu_device *adev = psp->adev; 580 581 if (amdgpu_sriov_vf(adev)) { 582 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value); 583 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD); 584 psp->km_ring.ring_wptr = value; 585 } else 586 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); 587 } 588 589 static int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr) 590 { 591 struct amdgpu_device *adev = psp->adev; 592 uint32_t reg_status; 593 int ret, i = 0; 594 595 /* 596 * LFB address which is aligned to 1MB address and has to be 597 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P 598 * register 599 */ 600 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20)); 601 602 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 603 0x80000000, 0x80000000, false); 604 if (ret) 605 return ret; 606 607 /* Fireup interrupt so PSP can pick up the address */ 608 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16)); 609 610 /* FW load takes very long time */ 611 do { 612 msleep(1000); 613 reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35); 614 615 if (reg_status & 0x80000000) 616 goto done; 617 618 } while (++i < USBC_PD_POLLING_LIMIT_S); 619 620 return -ETIME; 621 done: 622 623 if ((reg_status & 0xFFFF) != 0) { 624 DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = 0x%04x\n", 625 reg_status & 0xFFFF); 626 return -EIO; 627 } 628 629 return 0; 630 } 631 632 static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver) 633 { 634 struct amdgpu_device *adev = psp->adev; 635 int ret; 636 637 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER); 638 639 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 640 0x80000000, 0x80000000, false); 641 if (!ret) 642 *fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36); 643 644 return ret; 645 } 646 647 static const struct psp_funcs psp_v11_0_funcs = { 648 .init_microcode = psp_v11_0_init_microcode, 649 .bootloader_load_kdb = psp_v11_0_bootloader_load_kdb, 650 .bootloader_load_spl = psp_v11_0_bootloader_load_spl, 651 .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv, 652 .bootloader_load_sos = psp_v11_0_bootloader_load_sos, 653 .ring_create = psp_v11_0_ring_create, 654 .ring_stop = psp_v11_0_ring_stop, 655 .ring_destroy = psp_v11_0_ring_destroy, 656 .mode1_reset = psp_v11_0_mode1_reset, 657 .mem_training = psp_v11_0_memory_training, 658 .ring_get_wptr = psp_v11_0_ring_get_wptr, 659 .ring_set_wptr = psp_v11_0_ring_set_wptr, 660 .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw, 661 .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw 662 }; 663 664 void psp_v11_0_set_psp_funcs(struct psp_context *psp) 665 { 666 psp->funcs = &psp_v11_0_funcs; 667 } 668