1 /* 2 * Copyright 2022 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 "amdgpu.h" 25 #include "mmhub_v3_0_2.h" 26 27 #include "mmhub/mmhub_3_0_2_offset.h" 28 #include "mmhub/mmhub_3_0_2_sh_mask.h" 29 #include "navi10_enum.h" 30 31 #include "soc15_common.h" 32 33 #define regMMVM_L2_CNTL3_DEFAULT 0x80100007 34 #define regMMVM_L2_CNTL4_DEFAULT 0x000000c1 35 #define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0 36 37 static const char *mmhub_client_ids_v3_0_2[][2] = { 38 [0][0] = "VMC", 39 [4][0] = "DCEDMC", 40 [5][0] = "DCEVGA", 41 [6][0] = "MP0", 42 [7][0] = "MP1", 43 [8][0] = "MPIO", 44 [16][0] = "HDP", 45 [17][0] = "LSDMA", 46 [18][0] = "JPEG", 47 [19][0] = "VCNU0", 48 [21][0] = "VSCH", 49 [22][0] = "VCNU1", 50 [23][0] = "VCN1", 51 [32+20][0] = "VCN0", 52 [2][1] = "DBGUNBIO", 53 [3][1] = "DCEDWB", 54 [4][1] = "DCEDMC", 55 [5][1] = "DCEVGA", 56 [6][1] = "MP0", 57 [7][1] = "MP1", 58 [8][1] = "MPIO", 59 [10][1] = "DBGU0", 60 [11][1] = "DBGU1", 61 [12][1] = "DBGU2", 62 [13][1] = "DBGU3", 63 [14][1] = "XDP", 64 [15][1] = "OSSSYS", 65 [16][1] = "HDP", 66 [17][1] = "LSDMA", 67 [18][1] = "JPEG", 68 [19][1] = "VCNU0", 69 [20][1] = "VCN0", 70 [21][1] = "VSCH", 71 [22][1] = "VCNU1", 72 [23][1] = "VCN1", 73 }; 74 75 static uint32_t mmhub_v3_0_2_get_invalidate_req(unsigned int vmid, 76 uint32_t flush_type) 77 { 78 u32 req = 0; 79 80 /* invalidate using legacy mode on vmid*/ 81 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 82 PER_VMID_INVALIDATE_REQ, 1 << vmid); 83 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); 84 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 85 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 86 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 87 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 88 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 89 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 90 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 91 92 return req; 93 } 94 95 static void 96 mmhub_v3_0_2_print_l2_protection_fault_status(struct amdgpu_device *adev, 97 uint32_t status) 98 { 99 uint32_t cid, rw; 100 const char *mmhub_cid = NULL; 101 102 cid = REG_GET_FIELD(status, 103 MMVM_L2_PROTECTION_FAULT_STATUS, CID); 104 rw = REG_GET_FIELD(status, 105 MMVM_L2_PROTECTION_FAULT_STATUS, RW); 106 107 dev_err(adev->dev, 108 "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", 109 status); 110 111 mmhub_cid = mmhub_client_ids_v3_0_2[cid][rw]; 112 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 113 mmhub_cid ? mmhub_cid : "unknown", cid); 114 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 115 REG_GET_FIELD(status, 116 MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); 117 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 118 REG_GET_FIELD(status, 119 MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); 120 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 121 REG_GET_FIELD(status, 122 MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); 123 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 124 REG_GET_FIELD(status, 125 MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); 126 dev_err(adev->dev, "\t RW: 0x%x\n", rw); 127 } 128 129 static void mmhub_v3_0_2_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, 130 uint64_t page_table_base) 131 { 132 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 133 134 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 135 hub->ctx_addr_distance * vmid, 136 lower_32_bits(page_table_base)); 137 138 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 139 hub->ctx_addr_distance * vmid, 140 upper_32_bits(page_table_base)); 141 } 142 143 static void mmhub_v3_0_2_init_gart_aperture_regs(struct amdgpu_device *adev) 144 { 145 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 146 147 mmhub_v3_0_2_setup_vm_pt_regs(adev, 0, pt_base); 148 149 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 150 (u32)(adev->gmc.gart_start >> 12)); 151 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 152 (u32)(adev->gmc.gart_start >> 44)); 153 154 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 155 (u32)(adev->gmc.gart_end >> 12)); 156 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 157 (u32)(adev->gmc.gart_end >> 44)); 158 } 159 160 static void mmhub_v3_0_2_init_system_aperture_regs(struct amdgpu_device *adev) 161 { 162 uint64_t value; 163 uint32_t tmp; 164 165 /* Disable AGP. */ 166 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE, 0); 167 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP, 0); 168 WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT, 0x00FFFFFF); 169 170 if (!amdgpu_sriov_vf(adev)) { 171 /* 172 * the new L1 policy will block SRIOV guest from writing 173 * these regs, and they will be programed at host. 174 * so skip programing these regs. 175 */ 176 /* Program the system aperture low logical page number. */ 177 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR, 178 adev->gmc.vram_start >> 18); 179 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 180 adev->gmc.vram_end >> 18); 181 } 182 183 /* Set default page address. */ 184 value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start + 185 adev->vm_manager.vram_base_offset; 186 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 187 (u32)(value >> 12)); 188 WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 189 (u32)(value >> 44)); 190 191 /* Program "protection fault". */ 192 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 193 (u32)(adev->dummy_page_addr >> 12)); 194 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 195 (u32)((u64)adev->dummy_page_addr >> 44)); 196 197 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2); 198 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, 199 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 200 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); 201 } 202 203 static void mmhub_v3_0_2_init_tlb_regs(struct amdgpu_device *adev) 204 { 205 uint32_t tmp; 206 207 /* Setup TLB control */ 208 tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); 209 210 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 211 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 212 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 213 ENABLE_ADVANCED_DRIVER_MODEL, 1); 214 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 215 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 216 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); 217 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 218 MTYPE, MTYPE_UC); /* UC, uncached */ 219 220 WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); 221 } 222 223 static void mmhub_v3_0_2_init_cache_regs(struct amdgpu_device *adev) 224 { 225 uint32_t tmp; 226 227 /* These registers are not accessible to VF-SRIOV. 228 * The PF will program them instead. 229 */ 230 if (amdgpu_sriov_vf(adev)) 231 return; 232 233 /* Setup L2 cache */ 234 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); 235 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); 236 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 237 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 238 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 239 /* XXX for emulation, Refer to closed source code.*/ 240 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 241 0); 242 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); 243 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 244 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 245 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); 246 247 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2); 248 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 249 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 250 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp); 251 252 tmp = regMMVM_L2_CNTL3_DEFAULT; 253 if (adev->gmc.translate_further) { 254 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); 255 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 256 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 257 } else { 258 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); 259 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 260 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 261 } 262 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp); 263 264 tmp = regMMVM_L2_CNTL4_DEFAULT; 265 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 266 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 267 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp); 268 269 tmp = regMMVM_L2_CNTL5_DEFAULT; 270 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); 271 WREG32_SOC15(GC, 0, regMMVM_L2_CNTL5, tmp); 272 } 273 274 static void mmhub_v3_0_2_enable_system_domain(struct amdgpu_device *adev) 275 { 276 uint32_t tmp; 277 278 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL); 279 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 280 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 281 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, 282 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 283 WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp); 284 } 285 286 static void mmhub_v3_0_2_disable_identity_aperture(struct amdgpu_device *adev) 287 { 288 /* These registers are not accessible to VF-SRIOV. 289 * The PF will program them instead. 290 */ 291 if (amdgpu_sriov_vf(adev)) 292 return; 293 294 WREG32_SOC15(MMHUB, 0, 295 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 296 0xFFFFFFFF); 297 WREG32_SOC15(MMHUB, 0, 298 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 299 0x0000000F); 300 301 WREG32_SOC15(MMHUB, 0, 302 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); 303 WREG32_SOC15(MMHUB, 0, 304 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); 305 306 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 307 0); 308 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 309 0); 310 } 311 312 static void mmhub_v3_0_2_setup_vmid_config(struct amdgpu_device *adev) 313 { 314 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 315 int i; 316 uint32_t tmp; 317 318 for (i = 0; i <= 14; i++) { 319 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i); 320 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 321 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 322 adev->vm_manager.num_level); 323 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 324 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 325 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 326 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 327 1); 328 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 329 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 330 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 331 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 332 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 333 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 334 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 335 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 336 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 337 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 338 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 339 PAGE_TABLE_BLOCK_SIZE, 340 adev->vm_manager.block_size - 9); 341 /* Send no-retry XNACK on fault to suppress VM fault storm. */ 342 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 343 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 344 !amdgpu_noretry); 345 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, 346 i * hub->ctx_distance, tmp); 347 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 348 i * hub->ctx_addr_distance, 0); 349 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 350 i * hub->ctx_addr_distance, 0); 351 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 352 i * hub->ctx_addr_distance, 353 lower_32_bits(adev->vm_manager.max_pfn - 1)); 354 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 355 i * hub->ctx_addr_distance, 356 upper_32_bits(adev->vm_manager.max_pfn - 1)); 357 } 358 359 hub->vm_cntx_cntl = tmp; 360 } 361 362 static void mmhub_v3_0_2_program_invalidation(struct amdgpu_device *adev) 363 { 364 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 365 unsigned i; 366 367 for (i = 0; i < 18; ++i) { 368 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 369 i * hub->eng_addr_distance, 0xffffffff); 370 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 371 i * hub->eng_addr_distance, 0x1f); 372 } 373 } 374 375 static int mmhub_v3_0_2_gart_enable(struct amdgpu_device *adev) 376 { 377 /* GART Enable. */ 378 mmhub_v3_0_2_init_gart_aperture_regs(adev); 379 mmhub_v3_0_2_init_system_aperture_regs(adev); 380 mmhub_v3_0_2_init_tlb_regs(adev); 381 mmhub_v3_0_2_init_cache_regs(adev); 382 383 mmhub_v3_0_2_enable_system_domain(adev); 384 mmhub_v3_0_2_disable_identity_aperture(adev); 385 mmhub_v3_0_2_setup_vmid_config(adev); 386 mmhub_v3_0_2_program_invalidation(adev); 387 388 return 0; 389 } 390 391 static void mmhub_v3_0_2_gart_disable(struct amdgpu_device *adev) 392 { 393 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 394 u32 tmp; 395 u32 i; 396 397 /* Disable all tables */ 398 for (i = 0; i < 16; i++) 399 WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL, 400 i * hub->ctx_distance, 0); 401 402 /* Setup TLB control */ 403 tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); 404 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 405 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 406 ENABLE_ADVANCED_DRIVER_MODEL, 0); 407 WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); 408 409 /* Setup L2 cache */ 410 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); 411 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); 412 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); 413 WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0); 414 } 415 416 /** 417 * mmhub_v3_0_2_set_fault_enable_default - update GART/VM fault handling 418 * 419 * @adev: amdgpu_device pointer 420 * @value: true redirects VM faults to the default page 421 */ 422 static void mmhub_v3_0_2_set_fault_enable_default(struct amdgpu_device *adev, bool value) 423 { 424 u32 tmp; 425 426 /* These registers are not accessible to VF-SRIOV. 427 * The PF will program them instead. 428 */ 429 if (amdgpu_sriov_vf(adev)) 430 return; 431 432 tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); 433 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 434 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 435 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 436 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 437 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 438 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 439 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 440 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 441 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 442 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 443 value); 444 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 445 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 446 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 447 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 448 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 449 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 450 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 451 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 452 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 453 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 454 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 455 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 456 if (!value) { 457 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 458 CRASH_ON_NO_RETRY_FAULT, 1); 459 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, 460 CRASH_ON_RETRY_FAULT, 1); 461 } 462 WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp); 463 } 464 465 static const struct amdgpu_vmhub_funcs mmhub_v3_0_2_vmhub_funcs = { 466 .print_l2_protection_fault_status = mmhub_v3_0_2_print_l2_protection_fault_status, 467 .get_invalidate_req = mmhub_v3_0_2_get_invalidate_req, 468 }; 469 470 static void mmhub_v3_0_2_init(struct amdgpu_device *adev) 471 { 472 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 473 474 hub->ctx0_ptb_addr_lo32 = 475 SOC15_REG_OFFSET(MMHUB, 0, 476 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 477 hub->ctx0_ptb_addr_hi32 = 478 SOC15_REG_OFFSET(MMHUB, 0, 479 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 480 hub->vm_inv_eng0_sem = 481 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM); 482 hub->vm_inv_eng0_req = 483 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ); 484 hub->vm_inv_eng0_ack = 485 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK); 486 hub->vm_context0_cntl = 487 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL); 488 hub->vm_l2_pro_fault_status = 489 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS); 490 hub->vm_l2_pro_fault_cntl = 491 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); 492 493 hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL; 494 hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 495 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 496 hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ - 497 regMMVM_INVALIDATE_ENG0_REQ; 498 hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 499 regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 500 501 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 502 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 503 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 504 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 505 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 506 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 507 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 508 509 hub->vm_l2_bank_select_reserved_cid2 = 510 SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_BANK_SELECT_RESERVED_CID2); 511 512 hub->vmhub_funcs = &mmhub_v3_0_2_vmhub_funcs; 513 } 514 515 static u64 mmhub_v3_0_2_get_fb_location(struct amdgpu_device *adev) 516 { 517 u64 base; 518 519 base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE); 520 base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; 521 base <<= 24; 522 523 return base; 524 } 525 526 static u64 mmhub_v3_0_2_get_mc_fb_offset(struct amdgpu_device *adev) 527 { 528 return (u64)RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET) << 24; 529 } 530 531 static void mmhub_v3_0_2_update_medium_grain_clock_gating(struct amdgpu_device *adev, 532 bool enable) 533 { 534 //TODO 535 } 536 537 static void mmhub_v3_0_2_update_medium_grain_light_sleep(struct amdgpu_device *adev, 538 bool enable) 539 { 540 //TODO 541 } 542 543 static int mmhub_v3_0_2_set_clockgating(struct amdgpu_device *adev, 544 enum amd_clockgating_state state) 545 { 546 if (amdgpu_sriov_vf(adev)) 547 return 0; 548 549 mmhub_v3_0_2_update_medium_grain_clock_gating(adev, 550 state == AMD_CG_STATE_GATE); 551 mmhub_v3_0_2_update_medium_grain_light_sleep(adev, 552 state == AMD_CG_STATE_GATE); 553 return 0; 554 } 555 556 static void mmhub_v3_0_2_get_clockgating(struct amdgpu_device *adev, u64 *flags) 557 { 558 //TODO 559 } 560 561 const struct amdgpu_mmhub_funcs mmhub_v3_0_2_funcs = { 562 .init = mmhub_v3_0_2_init, 563 .get_fb_location = mmhub_v3_0_2_get_fb_location, 564 .get_mc_fb_offset = mmhub_v3_0_2_get_mc_fb_offset, 565 .gart_enable = mmhub_v3_0_2_gart_enable, 566 .set_fault_enable_default = mmhub_v3_0_2_set_fault_enable_default, 567 .gart_disable = mmhub_v3_0_2_gart_disable, 568 .set_clockgating = mmhub_v3_0_2_set_clockgating, 569 .get_clockgating = mmhub_v3_0_2_get_clockgating, 570 .setup_vm_pt_regs = mmhub_v3_0_2_setup_vm_pt_regs, 571 }; 572