drivers/gpu/drm/amd/amdgpu/psp_v12_0.c

   1 /*
   2  * Copyright 2019 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 "amdgpu.h"
  26 #include "amdgpu_psp.h"
  27 #include "amdgpu_ucode.h"
  28 #include "soc15_common.h"
  29 #include "psp_v12_0.h"
  30
  31 #include "mp/mp_12_0_0_offset.h"
  32 #include "mp/mp_12_0_0_sh_mask.h"
  33 #include "gc/gc_9_0_offset.h"
  34 #include "sdma0/sdma0_4_0_offset.h"
  35 #include "nbio/nbio_7_4_offset.h"
  36
  37 #include "oss/osssys_4_0_offset.h"
  38 #include "oss/osssys_4_0_sh_mask.h"
  39
  40 MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
  41 /* address block */
  42 #define smnMP1_FIRMWARE_FLAGS           0x3010024
  43
  44 static int psp_v12_0_init_microcode(struct psp_context *psp)
  45 {
  46         struct amdgpu_device *adev = psp->adev;
  47         const char *chip_name;
  48         char fw_name[30];
  49         int err = 0;
  50         const struct psp_firmware_header_v1_0 *asd_hdr;
  51
  52         DRM_DEBUG("\n");
  53
  54         switch (adev->asic_type) {
  55         case CHIP_RENOIR:
  56                 chip_name = "renoir";
  57                 break;
  58         default:
  59                 BUG();
  60         }
  61
  62         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
  63         err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
  64         if (err)
  65                 goto out1;
  66
  67         err = amdgpu_ucode_validate(adev->psp.asd_fw);
  68         if (err)
  69                 goto out1;
  70
  71         asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
  72         adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
  73         adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
  74         adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
  75         adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
  76                                 le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
  77
  78         return 0;
  79
  80 out1:
  81         release_firmware(adev->psp.asd_fw);
  82         adev->psp.asd_fw = NULL;
  83
  84         return err;
  85 }
  86
  87 static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
  88 {
  89         int ret;
  90         uint32_t psp_gfxdrv_command_reg = 0;
  91         struct amdgpu_device *adev = psp->adev;
  92         uint32_t sol_reg;
  93
  94         /* Check sOS sign of life register to confirm sys driver and sOS
  95          * are already been loaded.
  96          */
  97         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
  98         if (sol_reg) {
  99                 psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
 100                 printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
 101                 return 0;
 102         }
 103
 104         /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
 105         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 106                            0x80000000, 0x80000000, false);
 107         if (ret)
 108                 return ret;
 109
 110         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 111
 112         /* Copy PSP System Driver binary to memory */
 113         memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
 114
 115         /* Provide the sys driver to bootloader */
 116         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 117                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 118         psp_gfxdrv_command_reg = 1 << 16;
 119         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 120                psp_gfxdrv_command_reg);
 121
 122         /* there might be handshake issue with hardware which needs delay */
 123         mdelay(20);
 124
 125         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 126                            0x80000000, 0x80000000, false);
 127
 128         return ret;
 129 }
 130
 131 static int psp_v12_0_bootloader_load_sos(struct psp_context *psp)
 132 {
 133         int ret;
 134         unsigned int psp_gfxdrv_command_reg = 0;
 135         struct amdgpu_device *adev = psp->adev;
 136         uint32_t sol_reg;
 137
 138         /* Check sOS sign of life register to confirm sys driver and sOS
 139          * are already been loaded.
 140          */
 141         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 142         if (sol_reg)
 143                 return 0;
 144
 145         /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
 146         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
 147                            0x80000000, 0x80000000, false);
 148         if (ret)
 149                 return ret;
 150
 151         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 152
 153         /* Copy Secure OS binary to PSP memory */
 154         memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
 155
 156         /* Provide the PSP secure OS to bootloader */
 157         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
 158                (uint32_t)(psp->fw_pri_mc_addr >> 20));
 159         psp_gfxdrv_command_reg = 2 << 16;
 160         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
 161                psp_gfxdrv_command_reg);
 162
 163         /* there might be handshake issue with hardware which needs delay */
 164         mdelay(20);
 165         ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
 166                            RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
 167                            0, true);
 168
 169         return ret;
 170 }
 171
 172 static void psp_v12_0_reroute_ih(struct psp_context *psp)
 173 {
 174         struct amdgpu_device *adev = psp->adev;
 175         uint32_t tmp;
 176
 177         /* Change IH ring for VMC */
 178         tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
 179         tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
 180         tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
 181
 182         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
 183         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
 184         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
 185
 186         mdelay(20);
 187         psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 188                      0x80000000, 0x8000FFFF, false);
 189
 190         /* Change IH ring for UMC */
 191         tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
 192         tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
 193
 194         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
 195         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
 196         WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
 197
 198         mdelay(20);
 199         psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 200                      0x80000000, 0x8000FFFF, false);
 201 }
 202
 203 static int psp_v12_0_ring_init(struct psp_context *psp,
 204                               enum psp_ring_type ring_type)
 205 {
 206         int ret = 0;
 207         struct psp_ring *ring;
 208         struct amdgpu_device *adev = psp->adev;
 209
 210         psp_v12_0_reroute_ih(psp);
 211
 212         ring = &psp->km_ring;
 213
 214         ring->ring_type = ring_type;
 215
 216         /* allocate 4k Page of Local Frame Buffer memory for ring */
 217         ring->ring_size = 0x1000;
 218         ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
 219                                       AMDGPU_GEM_DOMAIN_VRAM,
 220                                       &adev->firmware.rbuf,
 221                                       &ring->ring_mem_mc_addr,
 222                                       (void **)&ring->ring_mem);
 223         if (ret) {
 224                 ring->ring_size = 0;
 225                 return ret;
 226         }
 227
 228         return 0;
 229 }
 230
 231 static bool psp_v12_0_support_vmr_ring(struct psp_context *psp)
 232 {
 233         if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
 234                 return true;
 235         return false;
 236 }
 237
 238 static int psp_v12_0_ring_create(struct psp_context *psp,
 239                                 enum psp_ring_type ring_type)
 240 {
 241         int ret = 0;
 242         unsigned int psp_ring_reg = 0;
 243         struct psp_ring *ring = &psp->km_ring;
 244         struct amdgpu_device *adev = psp->adev;
 245
 246         if (psp_v12_0_support_vmr_ring(psp)) {
 247                 /* Write low address of the ring to C2PMSG_102 */
 248                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 249                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
 250                 /* Write high address of the ring to C2PMSG_103 */
 251                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 252                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
 253
 254                 /* Write the ring initialization command to C2PMSG_101 */
 255                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 256                                              GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
 257
 258                 /* there might be handshake issue with hardware which needs delay */
 259                 mdelay(20);
 260
 261                 /* Wait for response flag (bit 31) in C2PMSG_101 */
 262                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 263                                    0x80000000, 0x8000FFFF, false);
 264
 265         } else {
 266                 /* Write low address of the ring to C2PMSG_69 */
 267                 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
 268                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
 269                 /* Write high address of the ring to C2PMSG_70 */
 270                 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
 271                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
 272                 /* Write size of ring to C2PMSG_71 */
 273                 psp_ring_reg = ring->ring_size;
 274                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
 275                 /* Write the ring initialization command to C2PMSG_64 */
 276                 psp_ring_reg = ring_type;
 277                 psp_ring_reg = psp_ring_reg << 16;
 278                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
 279
 280                 /* there might be handshake issue with hardware which needs delay */
 281                 mdelay(20);
 282
 283                 /* Wait for response flag (bit 31) in C2PMSG_64 */
 284                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 285                                    0x80000000, 0x8000FFFF, false);
 286         }
 287
 288         return ret;
 289 }
 290
 291 static int psp_v12_0_ring_stop(struct psp_context *psp,
 292                               enum psp_ring_type ring_type)
 293 {
 294         int ret = 0;
 295         struct amdgpu_device *adev = psp->adev;
 296
 297         /* Write the ring destroy command*/
 298         if (psp_v12_0_support_vmr_ring(psp))
 299                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
 300                                      GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
 301         else
 302                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
 303                                      GFX_CTRL_CMD_ID_DESTROY_RINGS);
 304
 305         /* there might be handshake issue with hardware which needs delay */
 306         mdelay(20);
 307
 308         /* Wait for response flag (bit 31) */
 309         if (psp_v12_0_support_vmr_ring(psp))
 310                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
 311                                    0x80000000, 0x80000000, false);
 312         else
 313                 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
 314                                    0x80000000, 0x80000000, false);
 315
 316         return ret;
 317 }
 318
 319 static int psp_v12_0_ring_destroy(struct psp_context *psp,
 320                                  enum psp_ring_type ring_type)
 321 {
 322         int ret = 0;
 323         struct psp_ring *ring = &psp->km_ring;
 324         struct amdgpu_device *adev = psp->adev;
 325
 326         ret = psp_v12_0_ring_stop(psp, ring_type);
 327         if (ret)
 328                 DRM_ERROR("Fail to stop psp ring\n");
 329
 330         amdgpu_bo_free_kernel(&adev->firmware.rbuf,
 331                               &ring->ring_mem_mc_addr,
 332                               (void **)&ring->ring_mem);
 333
 334         return ret;
 335 }
 336
 337 static int psp_v12_0_cmd_submit(struct psp_context *psp,
 338                                uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
 339                                int index)
 340 {
 341         unsigned int psp_write_ptr_reg = 0;
 342         struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem;
 343         struct psp_ring *ring = &psp->km_ring;
 344         struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
 345         struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
 346                 ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
 347         struct amdgpu_device *adev = psp->adev;
 348         uint32_t ring_size_dw = ring->ring_size / 4;
 349         uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
 350
 351         /* KM (GPCOM) prepare write pointer */
 352         if (psp_v12_0_support_vmr_ring(psp))
 353                 psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
 354         else
 355                 psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
 356
 357         /* Update KM RB frame pointer to new frame */
 358         /* write_frame ptr increments by size of rb_frame in bytes */
 359         /* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
 360         if ((psp_write_ptr_reg % ring_size_dw) == 0)
 361                 write_frame = ring_buffer_start;
 362         else
 363                 write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
 364         /* Check invalid write_frame ptr address */
 365         if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
 366                 DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
 367                           ring_buffer_start, ring_buffer_end, write_frame);
 368                 DRM_ERROR("write_frame is pointing to address out of bounds\n");
 369                 return -EINVAL;
 370         }
 371
 372         /* Initialize KM RB frame */
 373         memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
 374
 375         /* Update KM RB frame */
 376         write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
 377         write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
 378         write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
 379         write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
 380         write_frame->fence_value = index;
 381         amdgpu_asic_flush_hdp(adev, NULL);
 382
 383         /* Update the write Pointer in DWORDs */
 384         psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
 385         if (psp_v12_0_support_vmr_ring(psp)) {
 386                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg);
 387                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
 388         } else
 389                 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
 390
 391         return 0;
 392 }
 393
 394 static int
 395 psp_v12_0_sram_map(struct amdgpu_device *adev,
 396                   unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
 397                   unsigned int *sram_data_reg_offset,
 398                   enum AMDGPU_UCODE_ID ucode_id)
 399 {
 400         int ret = 0;
 401
 402         switch (ucode_id) {
 403 /* TODO: needs to confirm */
 404 #if 0
 405         case AMDGPU_UCODE_ID_SMC:
 406                 *sram_offset = 0;
 407                 *sram_addr_reg_offset = 0;
 408                 *sram_data_reg_offset = 0;
 409                 break;
 410 #endif
 411
 412         case AMDGPU_UCODE_ID_CP_CE:
 413                 *sram_offset = 0x0;
 414                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
 415                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
 416                 break;
 417
 418         case AMDGPU_UCODE_ID_CP_PFP:
 419                 *sram_offset = 0x0;
 420                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
 421                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
 422                 break;
 423
 424         case AMDGPU_UCODE_ID_CP_ME:
 425                 *sram_offset = 0x0;
 426                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
 427                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
 428                 break;
 429
 430         case AMDGPU_UCODE_ID_CP_MEC1:
 431                 *sram_offset = 0x10000;
 432                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
 433                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
 434                 break;
 435
 436         case AMDGPU_UCODE_ID_CP_MEC2:
 437                 *sram_offset = 0x10000;
 438                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
 439                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
 440                 break;
 441
 442         case AMDGPU_UCODE_ID_RLC_G:
 443                 *sram_offset = 0x2000;
 444                 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
 445                 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
 446                 break;
 447
 448         case AMDGPU_UCODE_ID_SDMA0:
 449                 *sram_offset = 0x0;
 450                 *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
 451                 *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
 452                 break;
 453
 454 /* TODO: needs to confirm */
 455 #if 0
 456         case AMDGPU_UCODE_ID_SDMA1:
 457                 *sram_offset = ;
 458                 *sram_addr_reg_offset = ;
 459                 break;
 460
 461         case AMDGPU_UCODE_ID_UVD:
 462                 *sram_offset = ;
 463                 *sram_addr_reg_offset = ;
 464                 break;
 465
 466         case AMDGPU_UCODE_ID_VCE:
 467                 *sram_offset = ;
 468                 *sram_addr_reg_offset = ;
 469                 break;
 470 #endif
 471
 472         case AMDGPU_UCODE_ID_MAXIMUM:
 473         default:
 474                 ret = -EINVAL;
 475                 break;
 476         }
 477
 478         return ret;
 479 }
 480
 481 static bool psp_v12_0_compare_sram_data(struct psp_context *psp,
 482                                        struct amdgpu_firmware_info *ucode,
 483                                        enum AMDGPU_UCODE_ID ucode_type)
 484 {
 485         int err = 0;
 486         unsigned int fw_sram_reg_val = 0;
 487         unsigned int fw_sram_addr_reg_offset = 0;
 488         unsigned int fw_sram_data_reg_offset = 0;
 489         unsigned int ucode_size;
 490         uint32_t *ucode_mem = NULL;
 491         struct amdgpu_device *adev = psp->adev;
 492
 493         err = psp_v12_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
 494                                 &fw_sram_data_reg_offset, ucode_type);
 495         if (err)
 496                 return false;
 497
 498         WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
 499
 500         ucode_size = ucode->ucode_size;
 501         ucode_mem = (uint32_t *)ucode->kaddr;
 502         while (ucode_size) {
 503                 fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
 504
 505                 if (*ucode_mem != fw_sram_reg_val)
 506                         return false;
 507
 508                 ucode_mem++;
 509                 /* 4 bytes */
 510                 ucode_size -= 4;
 511         }
 512
 513         return true;
 514 }
 515
 516 static int psp_v12_0_mode1_reset(struct psp_context *psp)
 517 {
 518         int ret;
 519         uint32_t offset;
 520         struct amdgpu_device *adev = psp->adev;
 521
 522         offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
 523
 524         ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
 525
 526         if (ret) {
 527                 DRM_INFO("psp is not working correctly before mode1 reset!\n");
 528                 return -EINVAL;
 529         }
 530
 531         /*send the mode 1 reset command*/
 532         WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
 533
 534         msleep(500);
 535
 536         offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
 537
 538         ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
 539
 540         if (ret) {
 541                 DRM_INFO("psp mode 1 reset failed!\n");
 542                 return -EINVAL;
 543         }
 544
 545         DRM_INFO("psp mode1 reset succeed \n");
 546
 547         return 0;
 548 }
 549
 550 static const struct psp_funcs psp_v12_0_funcs = {
 551         .init_microcode = psp_v12_0_init_microcode,
 552         .bootloader_load_sysdrv = psp_v12_0_bootloader_load_sysdrv,
 553         .bootloader_load_sos = psp_v12_0_bootloader_load_sos,
 554         .ring_init = psp_v12_0_ring_init,
 555         .ring_create = psp_v12_0_ring_create,
 556         .ring_stop = psp_v12_0_ring_stop,
 557         .ring_destroy = psp_v12_0_ring_destroy,
 558         .cmd_submit = psp_v12_0_cmd_submit,
 559         .compare_sram_data = psp_v12_0_compare_sram_data,
 560         .mode1_reset = psp_v12_0_mode1_reset,
 561 };
 562
 563 void psp_v12_0_set_psp_funcs(struct psp_context *psp)
 564 {
 565         psp->funcs = &psp_v12_0_funcs;
 566 }