drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

   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/arcturus_sos.bin");
  57 MODULE_FIRMWARE("amdgpu/arcturus_asd.bin");
  58 MODULE_FIRMWARE("amdgpu/arcturus_ta.bin");
  59 MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin");
  60 MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin");
  61 MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin");
  62 MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin");
  63 MODULE_FIRMWARE("amdgpu/vangogh_asd.bin");
  64 MODULE_FIRMWARE("amdgpu/vangogh_toc.bin");
  65 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sos.bin");
  66 MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_ta.bin");
  67 MODULE_FIRMWARE("amdgpu/beige_goby_sos.bin");
  68 MODULE_FIRMWARE("amdgpu/beige_goby_ta.bin");
  69
  70 /* address block */
  71 #define smnMP1_FIRMWARE_FLAGS           0x3010024
  72 /* navi10 reg offset define */
  73 #define mmRLC_GPM_UCODE_ADDR_NV10       0x5b61
  74 #define mmRLC_GPM_UCODE_DATA_NV10       0x5b62
  75 #define mmSDMA0_UCODE_ADDR_NV10         0x5880
  76 #define mmSDMA0_UCODE_DATA_NV10         0x5881
  77 /* memory training timeout define */
  78 #define MEM_TRAIN_SEND_MSG_TIMEOUT_US   3000000
  79
  80 /* For large FW files the time to complete can be very long */
  81 #define USBC_PD_POLLING_LIMIT_S 240
  82
  83 static int psp_v11_0_init_microcode(struct psp_context *psp)
  84 {
  85         struct amdgpu_device *adev = psp->adev;
  86         const char *chip_name;
  87         char fw_name[PSP_FW_NAME_LEN];
  88         int err = 0;
  89         const struct ta_firmware_header_v1_0 *ta_hdr;
  90
  91         DRM_DEBUG("\n");
  92
  93         switch (adev->asic_type) {
  94         case CHIP_VEGA20:
  95                 chip_name = "vega20";
  96                 break;
  97         case CHIP_NAVI10:
  98                 chip_name = "navi10";
  99                 break;
 100         case CHIP_NAVI14:
 101                 chip_name = "navi14";
 102                 break;
 103         case CHIP_NAVI12:
 104                 chip_name = "navi12";
 105                 break;
 106         case CHIP_ARCTURUS:
 107                 chip_name = "arcturus";
 108                 break;
 109         case CHIP_SIENNA_CICHLID:
 110                 chip_name = "sienna_cichlid";
 111                 break;
 112         case CHIP_NAVY_FLOUNDER:
 113                 chip_name = "navy_flounder";
 114                 break;
 115         case CHIP_VANGOGH:
 116                 chip_name = "vangogh";
 117                 break;
 118         case CHIP_DIMGREY_CAVEFISH:
 119                 chip_name = "dimgrey_cavefish";
 120                 break;
 121         case CHIP_BEIGE_GOBY:
 122                 chip_name = "beige_goby";
 123                 break;
 124         default:
 125                 BUG();
 126         }
 127
 128
 129         switch (adev->asic_type) {
 130         case CHIP_VEGA20:
 131         case CHIP_ARCTURUS:
 132                 err = psp_init_sos_microcode(psp, chip_name);
 133                 if (err)
 134                         return err;
 135                 err = psp_init_asd_microcode(psp, chip_name);
 136                 if (err)
 137                         return err;
 138                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
 139                 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
 140                 if (err) {
 141                         release_firmware(adev->psp.ta_fw);
 142                         adev->psp.ta_fw = NULL;
 143                         dev_info(adev->dev,
 144                                  "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
 145                 } else {
 146                         err = amdgpu_ucode_validate(adev->psp.ta_fw);
 147                         if (err)
 148                                 goto out2;
 149
 150                         ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
 151                         adev->psp.ta_xgmi_ucode_version = le32_to_cpu(ta_hdr->ta_xgmi_ucode_version);
 152                         adev->psp.ta_xgmi_ucode_size = le32_to_cpu(ta_hdr->ta_xgmi_size_bytes);
 153                         adev->psp.ta_xgmi_start_addr = (uint8_t *)ta_hdr +
 154                                 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
 155                         adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
 156                         adev->psp.ta_ras_ucode_version = le32_to_cpu(ta_hdr->ta_ras_ucode_version);
 157                         adev->psp.ta_ras_ucode_size = le32_to_cpu(ta_hdr->ta_ras_size_bytes);
 158                         adev->psp.ta_ras_start_addr = (uint8_t *)adev->psp.ta_xgmi_start_addr +
 159                                 le32_to_cpu(ta_hdr->ta_ras_offset_bytes);
 160                 }
 161                 break;
 162         case CHIP_NAVI10:
 163         case CHIP_NAVI14:
 164         case CHIP_NAVI12:
 165                 err = psp_init_sos_microcode(psp, chip_name);
 166                 if (err)
 167                         return err;
 168                 err = psp_init_asd_microcode(psp, chip_name);
 169                 if (err)
 170                         return err;
 171                 if (amdgpu_sriov_vf(adev))
 172                         break;
 173                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
 174                 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
 175                 if (err) {
 176                         release_firmware(adev->psp.ta_fw);
 177                         adev->psp.ta_fw = NULL;
 178                         dev_info(adev->dev,
 179                                  "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
 180                 } else {
 181                         err = amdgpu_ucode_validate(adev->psp.ta_fw);
 182                         if (err)
 183                                 goto out2;
 184
 185                         ta_hdr = (const struct ta_firmware_header_v1_0 *)adev->psp.ta_fw->data;
 186                         adev->psp.ta_hdcp_ucode_version = le32_to_cpu(ta_hdr->ta_hdcp_ucode_version);
 187                         adev->psp.ta_hdcp_ucode_size = le32_to_cpu(ta_hdr->ta_hdcp_size_bytes);
 188                         adev->psp.ta_hdcp_start_addr = (uint8_t *)ta_hdr +
 189                                 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
 190
 191                         adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
 192
 193                         adev->psp.ta_dtm_ucode_version = le32_to_cpu(ta_hdr->ta_dtm_ucode_version);
 194                         adev->psp.ta_dtm_ucode_size = le32_to_cpu(ta_hdr->ta_dtm_size_bytes);
 195                         adev->psp.ta_dtm_start_addr = (uint8_t *)adev->psp.ta_hdcp_start_addr +
 196                                 le32_to_cpu(ta_hdr->ta_dtm_offset_bytes);
 197                 }
 198                 break;
 199         case CHIP_SIENNA_CICHLID:
 200         case CHIP_NAVY_FLOUNDER:
 201         case CHIP_DIMGREY_CAVEFISH:
 202                 err = psp_init_sos_microcode(psp, chip_name);
 203                 if (err)
 204                         return err;
 205                 err = psp_init_ta_microcode(psp, chip_name);
 206                 if (err)
 207                         return err;
 208                 break;
 209         case CHIP_BEIGE_GOBY:
 210                 err = psp_init_sos_microcode(psp, chip_name);
 211                 if (err)
 212                         return err;
 213                 err = psp_init_ta_microcode(psp, chip_name);
 214                 if (err)
 215                         return err;
 216                 break;
 217         case CHIP_VANGOGH:
 218                 err = psp_init_asd_microcode(psp, chip_name);
 219                 if (err)
 220                         return err;
 221                 err = psp_init_toc_microcode(psp, chip_name);
 222                 if (err)
 223                         return err;
 224                 break;
 225         default:
 226                 BUG();
 227         }
 228
 229         return 0;
 230
 231 out2:
 232         release_firmware(adev->psp.ta_fw);
 233         adev->psp.ta_fw = NULL;
 234         return err;
 235 }
 236
 237 static int psp_v11_0_wait_for_bootloader(struct psp_context *psp)
 238 {
 239         struct amdgpu_device *adev = psp->adev;
 240
 241         int ret;
 242         int retry_loop;
 243
 244         for (retry_loop = 0; retry_loop < 10; retry_loop++) {
 245                 /* Wait for bootloader to signify that is
 246                     ready having bit 31 of C2PMSG_35 set to 1 */
 247                 ret = psp_wait_for(psp,
 248                                    SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 249                                    0x80000000,
 250                                    0x80000000,
 251                                    false);
 252
 253                 if (ret == 0)
 254                         return 0;
 255         }
 256
 257         return ret;
 258 }
 259
 260 static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
 261 {
 262         struct amdgpu_device *adev = psp->adev;
 263         uint32_t sol_reg;
 264
 265         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 266
 267         return sol_reg != 0x0;
 268 }
 269
 270 static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
 271 {
 272         int ret;
 273         uint32_t psp_gfxdrv_command_reg = 0;
 274         struct amdgpu_device *adev = psp->adev;
 275
 276         /* Check tOS sign of life register to confirm sys driver and sOS
 277          * are already been loaded.
 278          */
 279         if (psp_v11_0_is_sos_alive(psp))
 280                 return 0;
 281
 282         ret = psp_v11_0_wait_for_bootloader(psp);
 283         if (ret)
 284                 return ret;
 285
 286         /* Copy PSP KDB binary to memory */
 287         psp_copy_fw(psp, psp->kdb_start_addr, psp->kdb_bin_size);
 288
 289         /* Provide the PSP KDB to bootloader */
 290         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 291                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 292         psp_gfxdrv_command_reg = PSP_BL__LOAD_KEY_DATABASE;
 293         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 294                psp_gfxdrv_command_reg);
 295
 296         ret = psp_v11_0_wait_for_bootloader(psp);
 297
 298         return ret;
 299 }
 300
 301 static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
 302 {
 303         int ret;
 304         uint32_t psp_gfxdrv_command_reg = 0;
 305         struct amdgpu_device *adev = psp->adev;
 306
 307         /* Check tOS sign of life register to confirm sys driver and sOS
 308          * are already been loaded.
 309          */
 310         if (psp_v11_0_is_sos_alive(psp))
 311                 return 0;
 312
 313         ret = psp_v11_0_wait_for_bootloader(psp);
 314         if (ret)
 315                 return ret;
 316
 317         /* Copy PSP SPL binary to memory */
 318         psp_copy_fw(psp, psp->spl_start_addr, psp->spl_bin_size);
 319
 320         /* Provide the PSP SPL to bootloader */
 321         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 322                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 323         psp_gfxdrv_command_reg = PSP_BL__LOAD_TOS_SPL_TABLE;
 324         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 325                psp_gfxdrv_command_reg);
 326
 327         ret = psp_v11_0_wait_for_bootloader(psp);
 328
 329         return ret;
 330 }
 331
 332 static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
 333 {
 334         int ret;
 335         uint32_t psp_gfxdrv_command_reg = 0;
 336         struct amdgpu_device *adev = psp->adev;
 337
 338         /* Check sOS sign of life register to confirm sys driver and sOS
 339          * are already been loaded.
 340          */
 341         if (psp_v11_0_is_sos_alive(psp))
 342                 return 0;
 343
 344         ret = psp_v11_0_wait_for_bootloader(psp);
 345         if (ret)
 346                 return ret;
 347
 348         /* Copy PSP System Driver binary to memory */
 349         psp_copy_fw(psp, psp->sys_start_addr, psp->sys_bin_size);
 350
 351         /* Provide the sys driver to bootloader */
 352         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 353                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 354         psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
 355         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 356                psp_gfxdrv_command_reg);
 357
 358         /* there might be handshake issue with hardware which needs delay */
 359         mdelay(20);
 360
 361         ret = psp_v11_0_wait_for_bootloader(psp);
 362
 363         return ret;
 364 }
 365
 366 static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
 367 {
 368         int ret;
 369         unsigned int psp_gfxdrv_command_reg = 0;
 370         struct amdgpu_device *adev = psp->adev;
 371
 372         /* Check sOS sign of life register to confirm sys driver and sOS
 373          * are already been loaded.
 374          */
 375         if (psp_v11_0_is_sos_alive(psp))
 376                 return 0;
 377
 378         ret = psp_v11_0_wait_for_bootloader(psp);
 379         if (ret)
 380                 return ret;
 381
 382         /* Copy Secure OS binary to PSP memory */
 383         psp_copy_fw(psp, psp->sos_start_addr, psp->sos_bin_size);
 384
 385         /* Provide the PSP secure OS to bootloader */
 386         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 387                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 388         psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
 389         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 390                psp_gfxdrv_command_reg);
 391
 392         /* there might be handshake issue with hardware which needs delay */
 393         mdelay(20);
 394         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
 395                            RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
 396                            0, true);
 397
 398         return ret;
 399 }
 400
 401 static int psp_v11_0_ring_init(struct psp_context *psp,
 402                               enum psp_ring_type ring_type)
 403 {
 404         int ret = 0;
 405         struct psp_ring *ring;
 406         struct amdgpu_device *adev = psp->adev;
 407
 408         ring = &psp->km_ring;
 409
 410         ring->ring_type = ring_type;
 411
 412         /* allocate 4k Page of Local Frame Buffer memory for ring */
 413         ring->ring_size = 0x1000;
 414         ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
 415                                       AMDGPU_GEM_DOMAIN_VRAM,
 416                                       &adev->firmware.rbuf,
 417                                       &ring->ring_mem_mc_addr,
 418                                       (void **)&ring->ring_mem);
 419         if (ret) {
 420                 ring->ring_size = 0;
 421                 return ret;
 422         }
 423
 424         return 0;
 425 }
 426
 427 static int psp_v11_0_ring_stop(struct psp_context *psp,
 428                               enum psp_ring_type ring_type)
 429 {
 430         int ret = 0;
 431         struct amdgpu_device *adev = psp->adev;
 432
 433         /* Write the ring destroy command*/
 434         if (amdgpu_sriov_vf(adev))
 435                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 436                                      GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
 437         else
 438                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
 439                                      GFX_CTRL_CMD_ID_DESTROY_RINGS);
 440
 441         /* there might be handshake issue with hardware which needs delay */
 442         mdelay(20);
 443
 444         /* Wait for response flag (bit 31) */
 445         if (amdgpu_sriov_vf(adev))
 446                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 447                                    0x80000000, 0x80000000, false);
 448         else
 449                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 450                                    0x80000000, 0x80000000, false);
 451
 452         return ret;
 453 }
 454
 455 static int psp_v11_0_ring_create(struct psp_context *psp,
 456                                 enum psp_ring_type ring_type)
 457 {
 458         int ret = 0;
 459         unsigned int psp_ring_reg = 0;
 460         struct psp_ring *ring = &psp->km_ring;
 461         struct amdgpu_device *adev = psp->adev;
 462
 463         if (amdgpu_sriov_vf(adev)) {
 464                 ret = psp_v11_0_ring_stop(psp, ring_type);
 465                 if (ret) {
 466                         DRM_ERROR("psp_v11_0_ring_stop_sriov failed!\n");
 467                         return ret;
 468                 }
 469
 470                 /* Write low address of the ring to C2PMSG_102 */
 471                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 472                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
 473                 /* Write high address of the ring to C2PMSG_103 */
 474                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 475                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
 476
 477                 /* Write the ring initialization command to C2PMSG_101 */
 478                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 479                                              GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
 480
 481                 /* there might be handshake issue with hardware which needs delay */
 482                 mdelay(20);
 483
 484                 /* Wait for response flag (bit 31) in C2PMSG_101 */
 485                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 486                                    0x80000000, 0x8000FFFF, false);
 487
 488         } else {
 489                 /* Wait for sOS ready for ring creation */
 490                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 491                                    0x80000000, 0x80000000, false);
 492                 if (ret) {
 493                         DRM_ERROR("Failed to wait for sOS ready for ring creation\n");
 494                         return ret;
 495                 }
 496
 497                 /* Write low address of the ring to C2PMSG_69 */
 498                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 499                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
 500                 /* Write high address of the ring to C2PMSG_70 */
 501                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 502                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
 503                 /* Write size of ring to C2PMSG_71 */
 504                 psp_ring_reg = ring->ring_size;
 505                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
 506                 /* Write the ring initialization command to C2PMSG_64 */
 507                 psp_ring_reg = ring_type;
 508                 psp_ring_reg = psp_ring_reg << 16;
 509                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
 510
 511                 /* there might be handshake issue with hardware which needs delay */
 512                 mdelay(20);
 513
 514                 /* Wait for response flag (bit 31) in C2PMSG_64 */
 515                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 516                                    0x80000000, 0x8000FFFF, false);
 517         }
 518
 519         return ret;
 520 }
 521
 522
 523 static int psp_v11_0_ring_destroy(struct psp_context *psp,
 524                                  enum psp_ring_type ring_type)
 525 {
 526         int ret = 0;
 527         struct psp_ring *ring = &psp->km_ring;
 528         struct amdgpu_device *adev = psp->adev;
 529
 530         ret = psp_v11_0_ring_stop(psp, ring_type);
 531         if (ret)
 532                 DRM_ERROR("Fail to stop psp ring\n");
 533
 534         amdgpu_bo_free_kernel(&adev->firmware.rbuf,
 535                               &ring->ring_mem_mc_addr,
 536                               (void **)&ring->ring_mem);
 537
 538         return ret;
 539 }
 540
 541 static int psp_v11_0_mode1_reset(struct psp_context *psp)
 542 {
 543         int ret;
 544         uint32_t offset;
 545         struct amdgpu_device *adev = psp->adev;
 546
 547         offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
 548
 549         ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
 550
 551         if (ret) {
 552                 DRM_INFO("psp is not working correctly before mode1 reset!\n");
 553                 return -EINVAL;
 554         }
 555
 556         /*send the mode 1 reset command*/
 557         WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
 558
 559         msleep(500);
 560
 561         offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
 562
 563         ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
 564
 565         if (ret) {
 566                 DRM_INFO("psp mode 1 reset failed!\n");
 567                 return -EINVAL;
 568         }
 569
 570         DRM_INFO("psp mode1 reset succeed \n");
 571
 572         return 0;
 573 }
 574
 575 static int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg)
 576 {
 577         int ret;
 578         int i;
 579         uint32_t data_32;
 580         int max_wait;
 581         struct amdgpu_device *adev = psp->adev;
 582
 583         data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
 584         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, data_32);
 585         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, msg);
 586
 587         max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
 588         for (i = 0; i < max_wait; i++) {
 589                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 590                                    0x80000000, 0x80000000, false);
 591                 if (ret == 0)
 592                         break;
 593         }
 594         if (i < max_wait)
 595                 ret = 0;
 596         else
 597                 ret = -ETIME;
 598
 599         DRM_DEBUG("training %s %s, cost %d @ %d ms\n",
 600                   (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
 601                   (ret == 0) ? "succeed" : "failed",
 602                   i, adev->usec_timeout/1000);
 603         return ret;
 604 }
 605
 606 /*
 607  * save and restore process
 608  */
 609 static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops)
 610 {
 611         struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
 612         uint32_t *pcache = (uint32_t *)ctx->sys_cache;
 613         struct amdgpu_device *adev = psp->adev;
 614         uint32_t p2c_header[4];
 615         uint32_t sz;
 616         void *buf;
 617         int ret, idx;
 618
 619         if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
 620                 DRM_DEBUG("Memory training is not supported.\n");
 621                 return 0;
 622         } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
 623                 DRM_ERROR("Memory training initialization failure.\n");
 624                 return -EINVAL;
 625         }
 626
 627         if (psp_v11_0_is_sos_alive(psp)) {
 628                 DRM_DEBUG("SOS is alive, skip memory training.\n");
 629                 return 0;
 630         }
 631
 632         amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
 633         DRM_DEBUG("sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
 634                   pcache[0], pcache[1], pcache[2], pcache[3],
 635                   p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
 636
 637         if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
 638                 DRM_DEBUG("Short training depends on restore.\n");
 639                 ops |= PSP_MEM_TRAIN_RESTORE;
 640         }
 641
 642         if ((ops & PSP_MEM_TRAIN_RESTORE) &&
 643             pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
 644                 DRM_DEBUG("sys_cache[0] is invalid, restore depends on save.\n");
 645                 ops |= PSP_MEM_TRAIN_SAVE;
 646         }
 647
 648         if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
 649             !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
 650               pcache[3] == p2c_header[3])) {
 651                 DRM_DEBUG("sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
 652                 ops |= PSP_MEM_TRAIN_SAVE;
 653         }
 654
 655         if ((ops & PSP_MEM_TRAIN_SAVE) &&
 656             p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
 657                 DRM_DEBUG("p2c_header[0] is invalid, save depends on long training.\n");
 658                 ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
 659         }
 660
 661         if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
 662                 ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
 663                 ops |= PSP_MEM_TRAIN_SAVE;
 664         }
 665
 666         DRM_DEBUG("Memory training ops:%x.\n", ops);
 667
 668         if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
 669                 /*
 670                  * Long training will encroach a certain amount on the bottom of VRAM;
 671                  * save the content from the bottom of VRAM to system memory
 672                  * before training, and restore it after training to avoid
 673                  * VRAM corruption.
 674                  */
 675                 sz = GDDR6_MEM_TRAINING_ENCROACHED_SIZE;
 676
 677                 if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
 678                         DRM_ERROR("visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
 679                                   adev->gmc.visible_vram_size,
 680                                   adev->mman.aper_base_kaddr);
 681                         return -EINVAL;
 682                 }
 683
 684                 buf = vmalloc(sz);
 685                 if (!buf) {
 686                         DRM_ERROR("failed to allocate system memory.\n");
 687                         return -ENOMEM;
 688                 }
 689
 690                 if (drm_dev_enter(&adev->ddev, &idx)) {
 691                         memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
 692                         ret = psp_v11_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
 693                         if (ret) {
 694                                 DRM_ERROR("Send long training msg failed.\n");
 695                                 vfree(buf);
 696                                 drm_dev_exit(idx);
 697                                 return ret;
 698                         }
 699
 700                         memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
 701                         adev->hdp.funcs->flush_hdp(adev, NULL);
 702                         vfree(buf);
 703                         drm_dev_exit(idx);
 704                 } else {
 705                         vfree(buf);
 706                         return -ENODEV;
 707                 }
 708         }
 709
 710         if (ops & PSP_MEM_TRAIN_SAVE) {
 711                 amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
 712         }
 713
 714         if (ops & PSP_MEM_TRAIN_RESTORE) {
 715                 amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
 716         }
 717
 718         if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
 719                 ret = psp_v11_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
 720                                                          PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
 721                 if (ret) {
 722                         DRM_ERROR("send training msg failed.\n");
 723                         return ret;
 724                 }
 725         }
 726         ctx->training_cnt++;
 727         return 0;
 728 }
 729
 730 static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
 731 {
 732         uint32_t data;
 733         struct amdgpu_device *adev = psp->adev;
 734
 735         if (amdgpu_sriov_vf(adev))
 736                 data = psp->km_ring.ring_wptr;
 737         else
 738                 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
 739
 740         return data;
 741 }
 742
 743 static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
 744 {
 745         struct amdgpu_device *adev = psp->adev;
 746
 747         if (amdgpu_sriov_vf(adev)) {
 748                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
 749                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
 750                 psp->km_ring.ring_wptr = value;
 751         } else
 752                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
 753 }
 754
 755 static int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, dma_addr_t dma_addr)
 756 {
 757         struct amdgpu_device *adev = psp->adev;
 758         uint32_t reg_status;
 759         int ret, i = 0;
 760
 761         /* Write lower 32-bit address of the PD Controller FW */
 762         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, lower_32_bits(dma_addr));
 763         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 764                              0x80000000, 0x80000000, false);
 765         if (ret)
 766                 return ret;
 767
 768         /* Fireup interrupt so PSP can pick up the lower address */
 769         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x800000);
 770         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 771                              0x80000000, 0x80000000, false);
 772         if (ret)
 773                 return ret;
 774
 775         reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
 776
 777         if ((reg_status & 0xFFFF) != 0) {
 778                 DRM_ERROR("Lower address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %02x...\n",
 779                                 reg_status & 0xFFFF);
 780                 return -EIO;
 781         }
 782
 783         /* Write upper 32-bit address of the PD Controller FW */
 784         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, upper_32_bits(dma_addr));
 785
 786         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 787                              0x80000000, 0x80000000, false);
 788         if (ret)
 789                 return ret;
 790
 791         /* Fireup interrupt so PSP can pick up the upper address */
 792         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, 0x4000000);
 793
 794         /* FW load takes very long time */
 795         do {
 796                 msleep(1000);
 797                 reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
 798
 799                 if (reg_status & 0x80000000)
 800                         goto done;
 801
 802         } while (++i < USBC_PD_POLLING_LIMIT_S);
 803
 804         return -ETIME;
 805 done:
 806
 807         if ((reg_status & 0xFFFF) != 0) {
 808                 DRM_ERROR("Upper address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = x%04x\n",
 809                                 reg_status & 0xFFFF);
 810                 return -EIO;
 811         }
 812
 813         return 0;
 814 }
 815
 816 static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
 817 {
 818         struct amdgpu_device *adev = psp->adev;
 819         int ret;
 820
 821         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
 822
 823         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 824                                      0x80000000, 0x80000000, false);
 825         if (!ret)
 826                 *fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36);
 827
 828         return ret;
 829 }
 830
 831 static const struct psp_funcs psp_v11_0_funcs = {
 832         .init_microcode = psp_v11_0_init_microcode,
 833         .bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
 834         .bootloader_load_spl = psp_v11_0_bootloader_load_spl,
 835         .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
 836         .bootloader_load_sos = psp_v11_0_bootloader_load_sos,
 837         .ring_init = psp_v11_0_ring_init,
 838         .ring_create = psp_v11_0_ring_create,
 839         .ring_stop = psp_v11_0_ring_stop,
 840         .ring_destroy = psp_v11_0_ring_destroy,
 841         .mode1_reset = psp_v11_0_mode1_reset,
 842         .mem_training = psp_v11_0_memory_training,
 843         .ring_get_wptr = psp_v11_0_ring_get_wptr,
 844         .ring_set_wptr = psp_v11_0_ring_set_wptr,
 845         .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw,
 846         .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw
 847 };
 848
 849 void psp_v11_0_set_psp_funcs(struct psp_context *psp)
 850 {
 851         psp->funcs = &psp_v11_0_funcs;
 852 }