1770b93e9SHawking Zhang /* 2770b93e9SHawking Zhang * Copyright 2019 Advanced Micro Devices, Inc. 3770b93e9SHawking Zhang * 4770b93e9SHawking Zhang * Permission is hereby granted, free of charge, to any person obtaining a 5770b93e9SHawking Zhang * copy of this software and associated documentation files (the "Software"), 6770b93e9SHawking Zhang * to deal in the Software without restriction, including without limitation 7770b93e9SHawking Zhang * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8770b93e9SHawking Zhang * and/or sell copies of the Software, and to permit persons to whom the 9770b93e9SHawking Zhang * Software is furnished to do so, subject to the following conditions: 10770b93e9SHawking Zhang * 11770b93e9SHawking Zhang * The above copyright notice and this permission notice shall be included in 12770b93e9SHawking Zhang * all copies or substantial portions of the Software. 13770b93e9SHawking Zhang * 14770b93e9SHawking Zhang * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15770b93e9SHawking Zhang * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16770b93e9SHawking Zhang * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17770b93e9SHawking Zhang * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18770b93e9SHawking Zhang * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19770b93e9SHawking Zhang * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20770b93e9SHawking Zhang * OTHER DEALINGS IN THE SOFTWARE. 21770b93e9SHawking Zhang * 22770b93e9SHawking Zhang */ 23770b93e9SHawking Zhang 24770b93e9SHawking Zhang #include "amdgpu.h" 25770b93e9SHawking Zhang #include "gfxhub_v2_0.h" 26770b93e9SHawking Zhang 27770b93e9SHawking Zhang #include "gc/gc_10_1_0_offset.h" 28770b93e9SHawking Zhang #include "gc/gc_10_1_0_sh_mask.h" 29770b93e9SHawking Zhang #include "gc/gc_10_1_0_default.h" 30770b93e9SHawking Zhang #include "navi10_enum.h" 31770b93e9SHawking Zhang 32770b93e9SHawking Zhang #include "soc15_common.h" 33770b93e9SHawking Zhang 34770b93e9SHawking Zhang u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev) 35770b93e9SHawking Zhang { 36770b93e9SHawking Zhang u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE); 37770b93e9SHawking Zhang 38770b93e9SHawking Zhang base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; 39770b93e9SHawking Zhang base <<= 24; 40770b93e9SHawking Zhang 41770b93e9SHawking Zhang return base; 42770b93e9SHawking Zhang } 43770b93e9SHawking Zhang 44770b93e9SHawking Zhang u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev) 45770b93e9SHawking Zhang { 46770b93e9SHawking Zhang return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24; 47770b93e9SHawking Zhang } 48770b93e9SHawking Zhang 49770b93e9SHawking Zhang static void gfxhub_v2_0_init_gart_pt_regs(struct amdgpu_device *adev) 50770b93e9SHawking Zhang { 51770b93e9SHawking Zhang uint64_t value = amdgpu_gmc_pd_addr(adev->gart.bo); 52770b93e9SHawking Zhang 53770b93e9SHawking Zhang 54770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 55770b93e9SHawking Zhang lower_32_bits(value)); 56770b93e9SHawking Zhang 57770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 58770b93e9SHawking Zhang upper_32_bits(value)); 59770b93e9SHawking Zhang } 60770b93e9SHawking Zhang 61770b93e9SHawking Zhang static void gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev) 62770b93e9SHawking Zhang { 63770b93e9SHawking Zhang gfxhub_v2_0_init_gart_pt_regs(adev); 64770b93e9SHawking Zhang 65770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 66770b93e9SHawking Zhang (u32)(adev->gmc.gart_start >> 12)); 67770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 68770b93e9SHawking Zhang (u32)(adev->gmc.gart_start >> 44)); 69770b93e9SHawking Zhang 70770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 71770b93e9SHawking Zhang (u32)(adev->gmc.gart_end >> 12)); 72770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 73770b93e9SHawking Zhang (u32)(adev->gmc.gart_end >> 44)); 74770b93e9SHawking Zhang } 75770b93e9SHawking Zhang 76770b93e9SHawking Zhang static void gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev) 77770b93e9SHawking Zhang { 78770b93e9SHawking Zhang uint64_t value; 79770b93e9SHawking Zhang 80770b93e9SHawking Zhang /* Disable AGP. */ 81770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0); 82770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, 0); 83770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, 0x00FFFFFF); 84770b93e9SHawking Zhang 85770b93e9SHawking Zhang /* Program the system aperture low logical page number. */ 86770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 87770b93e9SHawking Zhang adev->gmc.vram_start >> 18); 88770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 89770b93e9SHawking Zhang adev->gmc.vram_end >> 18); 90770b93e9SHawking Zhang 91770b93e9SHawking Zhang /* Set default page address. */ 92770b93e9SHawking Zhang value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start 93770b93e9SHawking Zhang + adev->vm_manager.vram_base_offset; 94770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 95770b93e9SHawking Zhang (u32)(value >> 12)); 96770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 97770b93e9SHawking Zhang (u32)(value >> 44)); 98770b93e9SHawking Zhang 99770b93e9SHawking Zhang /* Program "protection fault". */ 100770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 101770b93e9SHawking Zhang (u32)(adev->dummy_page_addr >> 12)); 102770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 103770b93e9SHawking Zhang (u32)((u64)adev->dummy_page_addr >> 44)); 104770b93e9SHawking Zhang 105770b93e9SHawking Zhang WREG32_FIELD15(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2, 106770b93e9SHawking Zhang ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 107770b93e9SHawking Zhang } 108770b93e9SHawking Zhang 109770b93e9SHawking Zhang 110770b93e9SHawking Zhang static void gfxhub_v2_0_init_tlb_regs(struct amdgpu_device *adev) 111770b93e9SHawking Zhang { 112770b93e9SHawking Zhang uint32_t tmp; 113770b93e9SHawking Zhang 114770b93e9SHawking Zhang /* Setup TLB control */ 115770b93e9SHawking Zhang tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL); 116770b93e9SHawking Zhang 117770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 118770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 119770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 120770b93e9SHawking Zhang ENABLE_ADVANCED_DRIVER_MODEL, 1); 121770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 122770b93e9SHawking Zhang SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 123770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); 124770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 125770b93e9SHawking Zhang MTYPE, MTYPE_UC); /* UC, uncached */ 126770b93e9SHawking Zhang 127770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp); 128770b93e9SHawking Zhang } 129770b93e9SHawking Zhang 130770b93e9SHawking Zhang static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) 131770b93e9SHawking Zhang { 132770b93e9SHawking Zhang uint32_t tmp; 133770b93e9SHawking Zhang 134770b93e9SHawking Zhang /* Setup L2 cache */ 135770b93e9SHawking Zhang tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL); 136770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1); 137770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 1383ebab625SJack Xiao tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, 1393ebab625SJack Xiao ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 140770b93e9SHawking Zhang /* XXX for emulation, Refer to closed source code.*/ 141770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, 142770b93e9SHawking Zhang L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); 143770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1); 144770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 145770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); 146770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, tmp); 147770b93e9SHawking Zhang 148770b93e9SHawking Zhang tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2); 149770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 150770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 151770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp); 152770b93e9SHawking Zhang 153770b93e9SHawking Zhang tmp = mmGCVM_L2_CNTL3_DEFAULT; 154770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp); 155770b93e9SHawking Zhang 156770b93e9SHawking Zhang tmp = mmGCVM_L2_CNTL4_DEFAULT; 157770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 158770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 159770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp); 160770b93e9SHawking Zhang } 161770b93e9SHawking Zhang 162770b93e9SHawking Zhang static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev) 163770b93e9SHawking Zhang { 164770b93e9SHawking Zhang uint32_t tmp; 165770b93e9SHawking Zhang 166770b93e9SHawking Zhang tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL); 167770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 168770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 169770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp); 170770b93e9SHawking Zhang } 171770b93e9SHawking Zhang 172770b93e9SHawking Zhang static void gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev) 173770b93e9SHawking Zhang { 174770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 175770b93e9SHawking Zhang 0xFFFFFFFF); 176770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 177770b93e9SHawking Zhang 0x0000000F); 178770b93e9SHawking Zhang 179770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 180770b93e9SHawking Zhang 0); 181770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 182770b93e9SHawking Zhang 0); 183770b93e9SHawking Zhang 184770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); 185770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); 186770b93e9SHawking Zhang 187770b93e9SHawking Zhang } 188770b93e9SHawking Zhang 189770b93e9SHawking Zhang static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev) 190770b93e9SHawking Zhang { 191770b93e9SHawking Zhang int i; 192770b93e9SHawking Zhang uint32_t tmp; 193770b93e9SHawking Zhang 194770b93e9SHawking Zhang for (i = 0; i <= 14; i++) { 195770b93e9SHawking Zhang tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i); 196770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 197770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 198770b93e9SHawking Zhang adev->vm_manager.num_level); 199770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 200770b93e9SHawking Zhang RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 201770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 202770b93e9SHawking Zhang DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 203770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 204770b93e9SHawking Zhang PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 205770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 206770b93e9SHawking Zhang VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 207770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 208770b93e9SHawking Zhang READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 209770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 210770b93e9SHawking Zhang WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 211770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 212770b93e9SHawking Zhang EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 213770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 214770b93e9SHawking Zhang PAGE_TABLE_BLOCK_SIZE, 215770b93e9SHawking Zhang adev->vm_manager.block_size - 9); 216770b93e9SHawking Zhang /* Send no-retry XNACK on fault to suppress VM fault storm. */ 217770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, 218770b93e9SHawking Zhang RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 219770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i, tmp); 220770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0); 221770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0); 222770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2, 223770b93e9SHawking Zhang lower_32_bits(adev->vm_manager.max_pfn - 1)); 224770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2, 225770b93e9SHawking Zhang upper_32_bits(adev->vm_manager.max_pfn - 1)); 226770b93e9SHawking Zhang } 227770b93e9SHawking Zhang } 228770b93e9SHawking Zhang 229770b93e9SHawking Zhang static void gfxhub_v2_0_program_invalidation(struct amdgpu_device *adev) 230770b93e9SHawking Zhang { 231770b93e9SHawking Zhang unsigned i; 232770b93e9SHawking Zhang 233770b93e9SHawking Zhang for (i = 0 ; i < 18; ++i) { 234770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 235770b93e9SHawking Zhang 2 * i, 0xffffffff); 236770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 237770b93e9SHawking Zhang 2 * i, 0x1f); 238770b93e9SHawking Zhang } 239770b93e9SHawking Zhang } 240770b93e9SHawking Zhang 241770b93e9SHawking Zhang int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev) 242770b93e9SHawking Zhang { 243770b93e9SHawking Zhang if (amdgpu_sriov_vf(adev)) { 244770b93e9SHawking Zhang /* 245770b93e9SHawking Zhang * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are 246770b93e9SHawking Zhang * VF copy registers so vbios post doesn't program them, for 247770b93e9SHawking Zhang * SRIOV driver need to program them 248770b93e9SHawking Zhang */ 249770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE, 250770b93e9SHawking Zhang adev->gmc.vram_start >> 24); 251770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_TOP, 252770b93e9SHawking Zhang adev->gmc.vram_end >> 24); 253770b93e9SHawking Zhang } 254770b93e9SHawking Zhang 255770b93e9SHawking Zhang /* GART Enable. */ 256770b93e9SHawking Zhang gfxhub_v2_0_init_gart_aperture_regs(adev); 257770b93e9SHawking Zhang gfxhub_v2_0_init_system_aperture_regs(adev); 258770b93e9SHawking Zhang gfxhub_v2_0_init_tlb_regs(adev); 259770b93e9SHawking Zhang gfxhub_v2_0_init_cache_regs(adev); 260770b93e9SHawking Zhang 261770b93e9SHawking Zhang gfxhub_v2_0_enable_system_domain(adev); 262770b93e9SHawking Zhang gfxhub_v2_0_disable_identity_aperture(adev); 263770b93e9SHawking Zhang gfxhub_v2_0_setup_vmid_config(adev); 264770b93e9SHawking Zhang gfxhub_v2_0_program_invalidation(adev); 265770b93e9SHawking Zhang 266770b93e9SHawking Zhang return 0; 267770b93e9SHawking Zhang } 268770b93e9SHawking Zhang 269770b93e9SHawking Zhang void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev) 270770b93e9SHawking Zhang { 271770b93e9SHawking Zhang u32 tmp; 272770b93e9SHawking Zhang u32 i; 273770b93e9SHawking Zhang 274770b93e9SHawking Zhang /* Disable all tables */ 275770b93e9SHawking Zhang for (i = 0; i < 16; i++) 276770b93e9SHawking Zhang WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL, i, 0); 277770b93e9SHawking Zhang 278770b93e9SHawking Zhang /* Setup TLB control */ 279770b93e9SHawking Zhang tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL); 280770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 281770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, 282770b93e9SHawking Zhang ENABLE_ADVANCED_DRIVER_MODEL, 0); 283770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp); 284770b93e9SHawking Zhang 285770b93e9SHawking Zhang /* Setup L2 cache */ 286770b93e9SHawking Zhang WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0); 287770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0); 288770b93e9SHawking Zhang } 289770b93e9SHawking Zhang 290770b93e9SHawking Zhang /** 291770b93e9SHawking Zhang * gfxhub_v2_0_set_fault_enable_default - update GART/VM fault handling 292770b93e9SHawking Zhang * 293770b93e9SHawking Zhang * @adev: amdgpu_device pointer 294770b93e9SHawking Zhang * @value: true redirects VM faults to the default page 295770b93e9SHawking Zhang */ 296770b93e9SHawking Zhang void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, 297770b93e9SHawking Zhang bool value) 298770b93e9SHawking Zhang { 299770b93e9SHawking Zhang u32 tmp; 300770b93e9SHawking Zhang tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL); 301770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 302770b93e9SHawking Zhang RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 303770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 304770b93e9SHawking Zhang PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 305770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 306770b93e9SHawking Zhang PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 307770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 308770b93e9SHawking Zhang PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 309770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 310770b93e9SHawking Zhang TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 311770b93e9SHawking Zhang value); 312770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 313770b93e9SHawking Zhang NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 314770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 315770b93e9SHawking Zhang DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 316770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 317770b93e9SHawking Zhang VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 318770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 319770b93e9SHawking Zhang READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 320770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 321770b93e9SHawking Zhang WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 322770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 323770b93e9SHawking Zhang EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 324770b93e9SHawking Zhang if (!value) { 325770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 326770b93e9SHawking Zhang CRASH_ON_NO_RETRY_FAULT, 1); 327770b93e9SHawking Zhang tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, 328770b93e9SHawking Zhang CRASH_ON_RETRY_FAULT, 1); 329770b93e9SHawking Zhang } 330770b93e9SHawking Zhang WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp); 331770b93e9SHawking Zhang } 332770b93e9SHawking Zhang 333770b93e9SHawking Zhang void gfxhub_v2_0_init(struct amdgpu_device *adev) 334770b93e9SHawking Zhang { 335770b93e9SHawking Zhang struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB]; 336770b93e9SHawking Zhang 337770b93e9SHawking Zhang hub->ctx0_ptb_addr_lo32 = 338770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, 339770b93e9SHawking Zhang mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 340770b93e9SHawking Zhang hub->ctx0_ptb_addr_hi32 = 341770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, 342770b93e9SHawking Zhang mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 343770b93e9SHawking Zhang hub->vm_inv_eng0_req = 344770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ); 345770b93e9SHawking Zhang hub->vm_inv_eng0_ack = 346770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK); 347770b93e9SHawking Zhang hub->vm_context0_cntl = 348770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL); 349770b93e9SHawking Zhang hub->vm_l2_pro_fault_status = 350770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS); 351770b93e9SHawking Zhang hub->vm_l2_pro_fault_cntl = 352770b93e9SHawking Zhang SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL); 353770b93e9SHawking Zhang } 354