1 /* 2 * Copyright 2021 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 28 #include "gc/gc_11_0_0_offset.h" 29 #include "gc/gc_11_0_0_sh_mask.h" 30 31 MODULE_FIRMWARE("amdgpu/gc_11_0_0_imu.bin"); 32 33 static int imu_v11_0_init_microcode(struct amdgpu_device *adev) 34 { 35 char fw_name[40]; 36 char ucode_prefix[30]; 37 int err; 38 const struct imu_firmware_header_v1_0 *imu_hdr; 39 struct amdgpu_firmware_info *info = NULL; 40 41 DRM_DEBUG("\n"); 42 43 amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix)); 44 45 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_imu.bin", ucode_prefix); 46 err = request_firmware(&adev->gfx.imu_fw, fw_name, adev->dev); 47 if (err) 48 goto out; 49 err = amdgpu_ucode_validate(adev->gfx.imu_fw); 50 if (err) 51 goto out; 52 imu_hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data; 53 adev->gfx.imu_fw_version = le32_to_cpu(imu_hdr->header.ucode_version); 54 //adev->gfx.imu_feature_version = le32_to_cpu(imu_hdr->ucode_feature_version); 55 56 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 57 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_I]; 58 info->ucode_id = AMDGPU_UCODE_ID_IMU_I; 59 info->fw = adev->gfx.imu_fw; 60 adev->firmware.fw_size += 61 ALIGN(le32_to_cpu(imu_hdr->imu_iram_ucode_size_bytes), PAGE_SIZE); 62 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_D]; 63 info->ucode_id = AMDGPU_UCODE_ID_IMU_D; 64 info->fw = adev->gfx.imu_fw; 65 adev->firmware.fw_size += 66 ALIGN(le32_to_cpu(imu_hdr->imu_dram_ucode_size_bytes), PAGE_SIZE); 67 } 68 69 out: 70 if (err) { 71 dev_err(adev->dev, 72 "gfx11: Failed to load firmware \"%s\"\n", 73 fw_name); 74 release_firmware(adev->gfx.imu_fw); 75 } 76 77 return err; 78 } 79 80 static int imu_v11_0_load_microcode(struct amdgpu_device *adev) 81 { 82 const struct imu_firmware_header_v1_0 *hdr; 83 const __le32 *fw_data; 84 unsigned i, fw_size; 85 86 if (!adev->gfx.imu_fw) 87 return -EINVAL; 88 89 hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data; 90 //amdgpu_ucode_print_rlc_hdr(&hdr->header); 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 void imu_v11_0_setup(struct amdgpu_device *adev) 119 { 120 int imu_reg_val; 121 122 //enable IMU debug mode 123 WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL0, 0xffffff); 124 WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL1, 0xffff); 125 126 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16); 127 imu_reg_val |= 0x1; 128 WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16, imu_reg_val); 129 130 //disble imu Rtavfs, SmsRepair, DfllBTC, and ClkB 131 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10); 132 imu_reg_val |= 0x10007; 133 WREG32_SOC15(GC, 0, regGFX_IMU_SCRATCH_10, imu_reg_val); 134 } 135 136 static int imu_v11_0_start(struct amdgpu_device *adev) 137 { 138 int imu_reg_val, i; 139 140 //Start IMU by set GFX_IMU_CORE_CTRL.CRESET = 0 141 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL); 142 imu_reg_val &= 0xfffffffe; 143 WREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL, imu_reg_val); 144 145 for (i = 0; i < adev->usec_timeout; i++) { 146 imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_GFX_RESET_CTRL); 147 if ((imu_reg_val & 0x1f) == 0x1f) 148 break; 149 udelay(1); 150 } 151 152 if (i >= adev->usec_timeout) { 153 dev_err(adev->dev, "init imu: IMU start timeout\n"); 154 return -ETIMEDOUT; 155 } 156 157 return 0; 158 } 159 160 static const struct imu_rlc_ram_golden imu_rlc_ram_golden_11[] = 161 { 162 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_IO_RD_COMBINE_FLUSH, 0x00055555, 0xe0000000), 163 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_IO_WR_COMBINE_FLUSH, 0x00055555, 0xe0000000), 164 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_DRAM_COMBINE_FLUSH, 0x00555555, 0xe0000000), 165 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_MISC2, 0x00001ffe, 0xe0000000), 166 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_CREDITS , 0x003f3fff, 0xe0000000), 167 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_TAG_RESERVE1, 0x00000000, 0xe0000000), 168 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_VCC_RESERVE0, 0x00041000, 0xe0000000), 169 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_VCC_RESERVE1, 0x00000000, 0xe0000000), 170 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_VCD_RESERVE0, 0x00040000, 0xe0000000), 171 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_VCD_RESERVE1, 0x00000000, 0xe0000000), 172 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_MISC, 0x00000017, 0xe0000000), 173 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGUS_SDP_ENABLE, 0x00000001, 0xe0000000), 174 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_CREDITS , 0x003f3fbf, 0xe0000000), 175 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_TAG_RESERVE0, 0x10201000, 0xe0000000), 176 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_TAG_RESERVE1, 0x00000080, 0xe0000000), 177 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_VCC_RESERVE0, 0x1d041040, 0xe0000000), 178 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_VCC_RESERVE1, 0x80000000, 0xe0000000), 179 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_IO_PRIORITY, 0x88888888, 0xe0000000), 180 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_MAM_CTRL, 0x0000d800, 0xe0000000), 181 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_ARB_FINAL, 0x000003f7, 0xe0000000), 182 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_SDP_ENABLE, 0x00000001, 0xe0000000), 183 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL2, 0x00020000, 0xe0000000), 184 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_APT_CNTL, 0x0000000c, 0xe0000000), 185 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_CACHEABLE_DRAM_ADDRESS_END, 0x000fffff, 0xe0000000), 186 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCEA_MISC, 0x0c48bff0, 0xe0000000), 187 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCC_GC_SA_UNIT_DISABLE, 0x00fffc01, 0xe0000000), 188 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCC_GC_PRIM_CONFIG, 0x000fffe1, 0xe0000000), 189 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCC_RB_BACKEND_DISABLE, 0x0fffff01, 0xe0000000), 190 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCC_GC_SHADER_ARRAY_CONFIG, 0xfffe0001, 0xe0000000), 191 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, 0x00000500, 0xe0000000), 192 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x00000001, 0xe0000000), 193 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0x00000000, 0xe0000000), 194 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_START, 0x00000000, 0xe0000000), 195 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_END, 0x000fffff, 0xe0000000), 196 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT0_CNTL, 0x00000000, 0xe0000000), 197 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT1_CNTL, 0x00000000, 0xe0000000), 198 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_TOP_OF_DRAM_SLOT1, 0xff800000, 0xe0000000), 199 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_LOWER_TOP_OF_DRAM2, 0x00000001, 0xe0000000), 200 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_UPPER_TOP_OF_DRAM2, 0x00000fff, 0xe0000000), 201 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, 0x00001ffc, 0xe0000000), 202 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, 0x00000501, 0xe0000000), 203 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL, 0x00080603, 0xe0000000), 204 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL2, 0x00000003, 0xe0000000), 205 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL3, 0x00100003, 0xe0000000), 206 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL5, 0x00003fe0, 0xe0000000), 207 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT0_CNTL, 0x00000001, 0xe0000000), 208 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CONTEXT0_PER_PFVF_PTE_CACHE_FRAGMENT_SIZES, 0x00000c00, 0xe0000000), 209 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT1_CNTL, 0x00000001, 0xe0000000), 210 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CONTEXT1_PER_PFVF_PTE_CACHE_FRAGMENT_SIZES, 0x00000c00, 0xe0000000), 211 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGB_ADDR_CONFIG, 0x00000545, 0xe0000000), 212 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_0, 0x13455431, 0xe0000000), 213 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_1, 0x13455431, 0xe0000000), 214 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_2, 0x76027602, 0xe0000000), 215 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_3, 0x76207620, 0xe0000000), 216 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGB_ADDR_CONFIG, 0x00000345, 0xe0000000), 217 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCUTCL2_HARVEST_BYPASS_GROUPS, 0x0000003e, 0xe0000000), 218 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_FB_LOCATION_BASE, 0x00006000, 0xe0000000), 219 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_FB_LOCATION_TOP, 0x000061ff, 0xe0000000), 220 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_APT_CNTL, 0x0000000c, 0xe0000000), 221 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_BASE, 0x00000000, 0xe0000000), 222 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_BOT, 0x00000002, 0xe0000000), 223 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_TOP, 0x00000000, 0xe0000000), 224 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL2, 0x00020000, 0xe0000000), 225 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regSDMA0_UCODE_SELFLOAD_CONTROL, 0x00000210, 0), 226 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regSDMA1_UCODE_SELFLOAD_CONTROL, 0x00000210, 0), 227 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCPC_PSP_DEBUG, CPC_PSP_DEBUG__GPA_OVERRIDE_MASK, 0), 228 IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCPG_PSP_DEBUG, CPG_PSP_DEBUG__GPA_OVERRIDE_MASK, 0) 229 }; 230 231 void program_imu_rlc_ram(struct amdgpu_device *adev, 232 const struct imu_rlc_ram_golden *regs, 233 const u32 array_size) 234 { 235 const struct imu_rlc_ram_golden *entry; 236 u32 reg, data; 237 int i; 238 239 for (i = 0; i < array_size; ++i) { 240 entry = ®s[i]; 241 reg = adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg; 242 reg |= entry->addr_mask; 243 244 data = entry->data; 245 if (entry->reg == regGCMC_VM_AGP_BASE) 246 data = 0x00ffffff; 247 else if (entry->reg == regGCMC_VM_AGP_TOP) 248 data = 0x0; 249 else if (entry->reg == regGCMC_VM_FB_LOCATION_BASE) 250 data = adev->gmc.vram_start >> 24; 251 else if (entry->reg == regGCMC_VM_FB_LOCATION_TOP) 252 data = adev->gmc.vram_end >> 24; 253 254 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0); 255 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, reg); 256 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, data); 257 } 258 //Indicate the latest entry 259 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0); 260 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, 0); 261 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, 0); 262 } 263 264 static void imu_v11_0_program_rlc_ram(struct amdgpu_device *adev) 265 { 266 u32 reg_data; 267 268 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, 0x2); 269 270 program_imu_rlc_ram(adev, 271 imu_rlc_ram_golden_11, 272 (const u32)ARRAY_SIZE(imu_rlc_ram_golden_11)); 273 274 //Indicate the contents of the RAM are valid 275 reg_data = RREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX); 276 reg_data |= GFX_IMU_RLC_RAM_INDEX__RAM_VALID_MASK; 277 WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, reg_data); 278 } 279 280 const struct amdgpu_imu_funcs gfx_v11_0_imu_funcs = { 281 .init_microcode = imu_v11_0_init_microcode, 282 .load_microcode = imu_v11_0_load_microcode, 283 .setup_imu = imu_v11_0_setup, 284 .start_imu = imu_v11_0_start, 285 .program_rlc_ram = imu_v11_0_program_rlc_ram, 286 }; 287