drivers/gpu/drm/amd/amdgpu/imu_v12_0.c

   1 /*
   2  * Copyright 2023 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 <linux/firmware.h>
  25 #include "amdgpu.h"
  26 #include "amdgpu_imu.h"
  27 #include "amdgpu_dpm.h"
  28
  29 #include "imu_v12_0.h"
  30
  31 #include "gc/gc_12_0_0_offset.h"
  32 #include "gc/gc_12_0_0_sh_mask.h"
  33 #include "mmhub/mmhub_4_1_0_offset.h"
  34
  35 MODULE_FIRMWARE("amdgpu/gc_12_0_0_imu.bin");
  36 MODULE_FIRMWARE("amdgpu/gc_12_0_1_imu.bin");
  37
  38 #define TRANSFER_RAM_MASK       0x001c0000
  39
  40 static int imu_v12_0_init_microcode(struct amdgpu_device *adev)
  41 {
  42         char ucode_prefix[15];
  43         int err;
  44         const struct imu_firmware_header_v1_0 *imu_hdr;
  45         struct amdgpu_firmware_info *info = NULL;
  46
  47         DRM_DEBUG("\n");
  48
  49         amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
  50         err = amdgpu_ucode_request(adev, &adev->gfx.imu_fw, "amdgpu/%s_imu.bin", ucode_prefix);
  51         if (err)
  52                 goto out;
  53
  54         imu_hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data;
  55         adev->gfx.imu_fw_version = le32_to_cpu(imu_hdr->header.ucode_version);
  56
  57         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
  58                 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_I];
  59                 info->ucode_id = AMDGPU_UCODE_ID_IMU_I;
  60                 info->fw = adev->gfx.imu_fw;
  61                 adev->firmware.fw_size +=
  62                         ALIGN(le32_to_cpu(imu_hdr->imu_iram_ucode_size_bytes), PAGE_SIZE);
  63                 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_D];
  64                 info->ucode_id = AMDGPU_UCODE_ID_IMU_D;
  65                 info->fw = adev->gfx.imu_fw;
  66                 adev->firmware.fw_size +=
  67                         ALIGN(le32_to_cpu(imu_hdr->imu_dram_ucode_size_bytes), PAGE_SIZE);
  68         }
  69
  70 out:
  71         if (err) {
  72                 dev_err(adev->dev,
  73                         "gfx12: Failed to load firmware \"%s_imu.bin\"\n",
  74                         ucode_prefix);
  75                 amdgpu_ucode_release(&adev->gfx.imu_fw);
  76         }
  77
  78         return err;
  79 }
  80
  81 static int imu_v12_0_load_microcode(struct amdgpu_device *adev)
  82 {
  83         const struct imu_firmware_header_v1_0 *hdr;
  84         const __le32 *fw_data;
  85         unsigned i, fw_size;
  86
  87         if (!adev->gfx.imu_fw)
  88                 return -EINVAL;
  89
  90         hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data;
  91
  92         fw_data = (const __le32 *)(adev->gfx.imu_fw->data +
  93                         le32_to_cpu(hdr->header.ucode_array_offset_bytes));
  94         fw_size = le32_to_cpu(hdr->imu_iram_ucode_size_bytes) / 4;
  95
  96         WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_ADDR, 0);
  97
  98         for (i = 0; i < fw_size; i++)
  99                 WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_DATA, le32_to_cpup(fw_data++));
 100
 101         WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_ADDR, adev->gfx.imu_fw_version);
 102
 103         fw_data = (const __le32 *)(adev->gfx.imu_fw->data +
 104                         le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
 105                         le32_to_cpu(hdr->imu_iram_ucode_size_bytes));
 106         fw_size = le32_to_cpu(hdr->imu_dram_ucode_size_bytes) / 4;
 107
 108         WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_ADDR, 0);
 109
 110         for (i = 0; i < fw_size; i++)
 111                 WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_DATA, le32_to_cpup(fw_data++));
 112
 113         WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_ADDR, adev->gfx.imu_fw_version);
 114
 115         return 0;
 116 }
 117
 118 static int imu_v12_0_wait_for_reset_status(struct amdgpu_device *adev)
 119 {
 120         u32 imu_reg_val = 0;
 121         int i;
 122
 123         for (i = 0; i < adev->usec_timeout; i++) {
 124                 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_GFX_RESET_CTRL);
 125                 if ((imu_reg_val & 0x1f) == 0x1f)
 126                         break;
 127                 udelay(1);
 128         }
 129
 130         if (i >= adev->usec_timeout) {
 131                 dev_err(adev->dev, "init imu: IMU start timeout\n");
 132                 return -ETIMEDOUT;
 133         }
 134
 135         return 0;
 136 }
 137
 138 static void imu_v12_0_setup(struct amdgpu_device *adev)
 139 {
 140         u32 imu_reg_val;
 141
 142         WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL0, 0xffffff);
 143         WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL1, 0xffff);
 144
 145         if (adev->gfx.imu.mode == DEBUG_MODE) {
 146                 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16);
 147                 imu_reg_val |= 0x1;
 148                 WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16, imu_reg_val);
 149
 150                 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10);
 151                 imu_reg_val |= 0x20010007;
 152                 WREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10, imu_reg_val);
 153
 154         }
 155 }
 156
 157 static int imu_v12_0_start(struct amdgpu_device *adev)
 158 {
 159         u32 imu_reg_val;
 160
 161         imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL);
 162         imu_reg_val &= 0xfffffffe;
 163         WREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL, imu_reg_val);
 164
 165         if (adev->flags & AMD_IS_APU)
 166                 amdgpu_dpm_set_gfx_power_up_by_imu(adev);
 167
 168         return imu_v12_0_wait_for_reset_status(adev);
 169 }
 170
 171 static const struct imu_rlc_ram_golden imu_rlc_ram_golden_12_0_1[] = {
 172         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCH_PIPE_STEER, 0x1e4, 0x1c0000),
 173         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL1X_PIPE_STEER, 0x1e4, 0x1c0000),
 174         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL1_PIPE_STEER, 0x1e4, 0x1c0000),
 175         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_0, 0x13571357, 0x1c0000),
 176         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_1, 0x64206420, 0x1c0000),
 177         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_2, 0x2460246, 0x1c0000),
 178         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_3, 0x75317531, 0x1c0000),
 179         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2C_CTRL3, 0xc0d41183, 0x1c0000),
 180         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regSDMA0_CHICKEN_BITS, 0x507d1c0, 0x1c0000),
 181         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regSDMA1_CHICKEN_BITS, 0x507d1c0, 0x1c0000),
 182         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCP_RB_WPTR_POLL_CNTL, 0x600100, 0x1c0000),
 183         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_CREDITS, 0x3f7fff, 0x1c0000),
 184         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_CREDITS, 0x3f7ebf, 0x1c0000),
 185         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_TAG_RESERVE0, 0x2e00000, 0x1c0000),
 186         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_TAG_RESERVE1, 0x1a078, 0x1c0000),
 187         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_TAG_RESERVE2, 0x0, 0x1c0000),
 188         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_TAG_RESERVE0, 0x0, 0x1c0000),
 189         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_TAG_RESERVE1, 0x12030, 0x1c0000),
 190         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_TAG_RESERVE2, 0x0, 0x1c0000),
 191         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_VCC_RESERVE0, 0x19041000, 0x1c0000),
 192         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_VCC_RESERVE1, 0x80000000, 0x1c0000),
 193         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_VCC_RESERVE0, 0x1e080000, 0x1c0000),
 194         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_VCC_RESERVE1, 0x80000000, 0x1c0000),
 195         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_PRIORITY, 0x880, 0x1c0000),
 196         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_PRIORITY, 0x8880, 0x1c0000),
 197         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_ARB_FINAL, 0x17, 0x1c0000),
 198         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_ARB_FINAL, 0x77, 0x1c0000),
 199         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_ENABLE, 0x00000001, 0x1c0000),
 200         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_ENABLE, 0x00000001, 0x1c0000),
 201         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL2, 0x20000, 0x1c0000),
 202         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_APT_CNTL, 0x0c, 0x1c0000),
 203         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_CACHEABLE_DRAM_ADDRESS_END, 0xfffff, 0x1c0000),
 204         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_MISC, 0x0091, 0x1c0000),
 205         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_MISC, 0x0091, 0x1c0000),
 206         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0xe0000000, 0x1c0000),
 207         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCR_GENERAL_CNTL, 0x00008500, 0x1c0000),
 208         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regPA_CL_ENHANCE, 0x00880007, 0x1c0000),
 209         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regTD_CNTL, 0x00000001, 0x1c0000),
 210         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000000, 0x1c0000),
 211         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
 212         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000001, 0x1c0000),
 213         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
 214         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000100, 0x1c0000),
 215         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
 216         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000101, 0x1c0000),
 217         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
 218         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0xe0000000, 0x1c0000),
 219         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGB_ADDR_CONFIG, 0x08200545, 0x1c0000),
 220         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBMH_CP_PERFMON_CNTL, 0x00000000, 0x1c0000),
 221         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCB_PERFCOUNTER0_SELECT1, 0x000fffff, 0x1c0000),
 222         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCP_DEBUG_2, 0x00020000, 0x1c0000),
 223         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCP_CPC_DEBUG, 0x00500010, 0x1c0000),
 224         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, 0x00000500, 0x1c0000),
 225         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x00000001, 0x1c0000),
 226         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0x00000000, 0x1c0000),
 227         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_START, 0x00000000, 0x1c0000),
 228         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_END, 0x0000000f, 0x1c0000),
 229         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_FB_LOCATION_BASE, 0x00006000, 0x1c0000),
 230         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_FB_LOCATION_TOP, 0x0000600f, 0x1c0000),
 231         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT0_CNTL, 0x00000000, 0x1c0000),
 232         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT1_CNTL, 0x00000000, 0x1c0000),
 233         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_TOP_OF_DRAM_SLOT1, 0xff800000, 0xe0000000),
 234         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_LOWER_TOP_OF_DRAM2, 0x00000001, 0x1c0000),
 235         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_UPPER_TOP_OF_DRAM2, 0x0000ffff, 0x1c0000),
 236         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_BASE, 0x00000000, 0x1c0000),
 237         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_BOT, 0x00000002, 0x1c0000),
 238         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_TOP, 0x00000000, 0x1c0000),
 239         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, 0x00001ffc, 0x1c0000),
 240         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, 0x00000551, 0x1c0000),
 241         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL, 0x00080603, 0x1c0000),
 242         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL2, 0x00000003, 0x1c0000),
 243         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL3, 0x00100003, 0x1c0000),
 244         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL5, 0x00003fe0, 0x1c0000),
 245         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x0003d000, 0x1c0000),
 246         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0x0003d7ff, 0x1c0000),
 247         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 0, 0x1c0000),
 248         IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 0, 0x1c0000)
 249 };
 250
 251 static void program_imu_rlc_ram_old(struct amdgpu_device *adev,
 252                                     const struct imu_rlc_ram_golden *regs,
 253                                     const u32 array_size)
 254 {
 255         const struct imu_rlc_ram_golden *entry;
 256         u32 reg, data;
 257         int i;
 258
 259         for (i = 0; i < array_size; ++i) {
 260                 entry = &regs[i];
 261                 reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
 262                 reg |= entry->addr_mask;
 263                 data = entry->data;
 264                 if (entry->reg == regGCMC_VM_AGP_BASE)
 265                         data = 0x00ffffff;
 266                 else if (entry->reg == regGCMC_VM_AGP_TOP)
 267                         data = 0x0;
 268                 else if (entry->reg == regGCMC_VM_FB_LOCATION_BASE)
 269                         data = adev->gmc.vram_start >> 24;
 270                 else if (entry->reg == regGCMC_VM_FB_LOCATION_TOP)
 271                         data = adev->gmc.vram_end >> 24;
 272
 273                 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0);
 274                 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, reg);
 275                 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, data);
 276         }
 277 }
 278
 279 static u32 imu_v12_0_grbm_gfx_index_remap(struct amdgpu_device *adev,
 280                                           u32 data, bool high)
 281 {
 282         u32 val, inst_index;
 283
 284         inst_index = REG_GET_FIELD(data, GRBM_GFX_INDEX, INSTANCE_INDEX);
 285
 286         if (high)
 287                 val = inst_index >> 5;
 288         else
 289                 val = REG_GET_FIELD(data, GRBM_GFX_INDEX, SE_BROADCAST_WRITES) << 18 |
 290                       REG_GET_FIELD(data, GRBM_GFX_INDEX, SA_BROADCAST_WRITES) << 19 |
 291                       REG_GET_FIELD(data, GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES) << 20 |
 292                       REG_GET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX) << 21 |
 293                       REG_GET_FIELD(data, GRBM_GFX_INDEX, SA_INDEX) << 25 |
 294                       (inst_index & 0x1f);
 295
 296         return val;
 297 }
 298
 299 static u32 imu_v12_init_gfxhub_settings(struct amdgpu_device *adev,
 300                                         u32 reg, u32 data)
 301 {
 302         if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_FB_LOCATION_BASE))
 303                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE);
 304         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_FB_LOCATION_TOP))
 305                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_TOP);
 306         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_FB_OFFSET))
 307                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET);
 308         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_AGP_BASE))
 309                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE);
 310         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_AGP_BOT))
 311                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT);
 312         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_AGP_TOP))
 313                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP);
 314         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL))
 315                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
 316         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR))
 317                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR);
 318         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR))
 319                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR);
 320         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_START))
 321                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_FB_ADDRESS_START);
 322         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_END))
 323                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_FB_ADDRESS_END);
 324         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_SYSMEM_ADDRESS_START))
 325                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_SYSMEM_ADDRESS_START);
 326         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_LOCAL_SYSMEM_ADDRESS_END))
 327                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_LOCAL_SYSMEM_ADDRESS_END);
 328         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB))
 329                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB);
 330         else if (reg == SOC15_REG_OFFSET(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB))
 331                 return RREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB);
 332         else
 333                 return data;
 334 }
 335
 336 static void program_imu_rlc_ram(struct amdgpu_device *adev,
 337                                 const u32 *regs,
 338                                 const u32 array_size)
 339 {
 340         u32 reg, data, val_h = 0, val_l = TRANSFER_RAM_MASK;
 341         int i;
 342
 343         if (array_size % 3)
 344                 return;
 345
 346         for (i = 0; i < array_size; i += 3) {
 347                 reg = regs[i + 0];
 348                 data = regs[i + 2];
 349                 data = imu_v12_init_gfxhub_settings(adev, reg, data);
 350                 if (reg == SOC15_REG_OFFSET(GC, 0, regGRBM_GFX_INDEX)) {
 351                         val_l = imu_v12_0_grbm_gfx_index_remap(adev, data, false);
 352                         val_h = imu_v12_0_grbm_gfx_index_remap(adev, data, true);
 353                 } else {
 354                         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, val_h);
 355                         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, reg | val_l);
 356                         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, data);
 357                 }
 358         }
 359 }
 360
 361 static void imu_v12_0_program_rlc_ram(struct amdgpu_device *adev)
 362 {
 363         u32 reg_data, size = 0;
 364         const u32 *data;
 365         int r = -EINVAL;
 366
 367         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, 0x2);
 368
 369         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 370         case IP_VERSION(12, 0, 0):
 371         case IP_VERSION(12, 0, 1):
 372                 if (!r)
 373                         program_imu_rlc_ram(adev, data, (const u32)size);
 374                 else
 375                         program_imu_rlc_ram_old(adev, imu_rlc_ram_golden_12_0_1,
 376                                 (const u32)ARRAY_SIZE(imu_rlc_ram_golden_12_0_1));
 377                 break;
 378         default:
 379                 BUG();
 380                 break;
 381         }
 382
 383         //Indicate the latest entry
 384         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0);
 385         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, 0);
 386         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, 0);
 387
 388         reg_data = RREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX);
 389         reg_data |= GFX_IMU_RLC_RAM_INDEX__RAM_VALID_MASK;
 390         WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, reg_data);
 391 }
 392
 393 const struct amdgpu_imu_funcs gfx_v12_0_imu_funcs = {
 394         .init_microcode = imu_v12_0_init_microcode,
 395         .load_microcode = imu_v12_0_load_microcode,
 396         .setup_imu = imu_v12_0_setup,
 397         .start_imu = imu_v12_0_start,
 398         .program_rlc_ram = imu_v12_0_program_rlc_ram,
 399         .wait_for_reset_status = imu_v12_0_wait_for_reset_status,
 400 };