| /* |
| * Copyright 2023 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include "amdgpu.h" |
| #include "mmhub_v3_3.h" |
| |
| #include "mmhub/mmhub_3_3_0_offset.h" |
| #include "mmhub/mmhub_3_3_0_sh_mask.h" |
| |
| #include "navi10_enum.h" |
| #include "soc15_common.h" |
| |
| #define regMMVM_L2_CNTL3_DEFAULT 0x80100007 |
| #define regMMVM_L2_CNTL4_DEFAULT 0x000000c1 |
| #define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0 |
| #define regDAGB0_L1TLB_REG_RW_3_3 0x00a4 |
| #define regDAGB0_L1TLB_REG_RW_3_3_BASE_IDX 1 |
| #define regDAGB1_L1TLB_REG_RW_3_3 0x0163 |
| #define regDAGB1_L1TLB_REG_RW_3_3_BASE_IDX 1 |
| |
| static const char *mmhub_client_ids_v3_3[][2] = { |
| [0][0] = "VMC", |
| [4][0] = "DCEDMC", |
| [6][0] = "MP0", |
| [7][0] = "MP1", |
| [8][0] = "MPM", |
| [24][0] = "HDP", |
| [25][0] = "LSDMA", |
| [26][0] = "JPEG", |
| [27][0] = "VPE", |
| [29][0] = "VCNU", |
| [30][0] = "VCN", |
| [3][1] = "DCEDWB", |
| [4][1] = "DCEDMC", |
| [6][1] = "MP0", |
| [7][1] = "MP1", |
| [8][1] = "MPM", |
| [21][1] = "OSSSYS", |
| [24][1] = "HDP", |
| [25][1] = "LSDMA", |
| [26][1] = "JPEG", |
| [27][1] = "VPE", |
| [29][1] = "VCNU", |
| [30][1] = "VCN", |
| }; |
| |
| static uint32_t mmhub_v3_3_get_invalidate_req(unsigned int vmid, |
| uint32_t flush_type) |
| { |
| u32 req = 0; |
| |
| /* invalidate using legacy mode on vmid*/ |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, |
| PER_VMID_INVALIDATE_REQ, 1 << vmid); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type ? : 1); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); |
| req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, |
| CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); |
| |
| return req; |
| } |
| |
| static void |
| mmhub_v3_3_print_l2_protection_fault_status(struct amdgpu_device *adev, |
| uint32_t status) |
| { |
| uint32_t cid, rw; |
| const char *mmhub_cid = NULL; |
| |
| cid = REG_GET_FIELD(status, |
| MMVM_L2_PROTECTION_FAULT_STATUS, CID); |
| rw = REG_GET_FIELD(status, |
| MMVM_L2_PROTECTION_FAULT_STATUS, RW); |
| |
| dev_err(adev->dev, |
| "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", |
| status); |
| |
| switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) { |
| case IP_VERSION(3, 3, 0): |
| case IP_VERSION(3, 3, 1): |
| mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_v3_3) ? |
| mmhub_client_ids_v3_3[cid][rw] : |
| cid == 0x140 ? "UMSCH" : NULL; |
| break; |
| default: |
| mmhub_cid = NULL; |
| break; |
| } |
| |
| dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", |
| mmhub_cid ? mmhub_cid : "unknown", cid); |
| dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", |
| REG_GET_FIELD(status, |
| MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); |
| dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", |
| REG_GET_FIELD(status, |
| MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); |
| dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", |
| REG_GET_FIELD(status, |
| MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); |
| dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", |
| REG_GET_FIELD(status, |
| MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); |
| dev_err(adev->dev, "\t RW: 0x%x\n", rw); |
| } |
| |
| static void mmhub_v3_3_setup_vm_pt_regs(struct amdgpu_device *adev, |
| uint32_t vmid, |
| uint64_t page_table_base) |
| { |
| struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
| |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, |
| hub->ctx_addr_distance * vmid, |
| lower_32_bits(page_table_base)); |
| |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, |
| hub->ctx_addr_distance * vmid, |
| upper_32_bits(page_table_base)); |
| |
| } |
| |
| static void mmhub_v3_3_init_gart_aperture_regs(struct amdgpu_device *adev) |
| { |
| uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); |
| |
| mmhub_v3_3_setup_vm_pt_regs(adev, 0, pt_base); |
| |
| WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, |
| (u32)(adev->gmc.gart_start >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, |
| (u32)(adev->gmc.gart_start >> 44)); |
| |
| WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, |
| (u32)(adev->gmc.gart_end >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, |
| (u32)(adev->gmc.gart_end >> 44)); |
| } |
| |
| static void mmhub_v3_3_init_system_aperture_regs(struct amdgpu_device *adev) |
| { |
| uint64_t value; |
| uint32_t tmp; |
| |
| /* Program the AGP BAR */ |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE, 0); |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); |
| |
| /* |
| * the new L1 policy will block SRIOV guest from writing |
| * these regs, and they will be programed at host. |
| * so skip programing these regs. |
| */ |
| /* Program the system aperture low logical page number. */ |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR, |
| min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR, |
| max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); |
| |
| /* Set default page address. */ |
| value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr); |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, |
| (u32)(value >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, |
| (u32)(value >> 44)); |
| |
| /* Program "protection fault". */ |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, |
| (u32)(adev->dummy_page_addr >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, |
| (u32)((u64)adev->dummy_page_addr >> 44)); |
| |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, |
| ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); |
| } |
| |
| static void mmhub_v3_3_init_tlb_regs(struct amdgpu_device *adev) |
| { |
| uint32_t tmp; |
| |
| /* Setup TLB control */ |
| tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); |
| |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
| ENABLE_ADVANCED_DRIVER_MODEL, 1); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
| SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
| MTYPE, MTYPE_UC); /* UC, uncached */ |
| |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); |
| } |
| |
| static void mmhub_v3_3_init_cache_regs(struct amdgpu_device *adev) |
| { |
| uint32_t tmp; |
| |
| /* Setup L2 cache */ |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, |
| ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); |
| /* XXX for emulation, Refer to closed source code.*/ |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, |
| 0); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); |
| |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp); |
| |
| tmp = regMMVM_L2_CNTL3_DEFAULT; |
| if (adev->gmc.translate_further) { |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, |
| L2_CACHE_BIGK_FRAGMENT_SIZE, 9); |
| } else { |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, |
| L2_CACHE_BIGK_FRAGMENT_SIZE, 6); |
| } |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp); |
| |
| tmp = regMMVM_L2_CNTL4_DEFAULT; |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp); |
| |
| tmp = regMMVM_L2_CNTL5_DEFAULT; |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp); |
| } |
| |
| static void mmhub_v3_3_enable_system_domain(struct amdgpu_device *adev) |
| { |
| uint32_t tmp; |
| |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, |
| RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); |
| |
| WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp); |
| } |
| |
| static void mmhub_v3_3_disable_identity_aperture(struct amdgpu_device *adev) |
| { |
| WREG32_SOC15(MMHUB, 0, |
| regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, |
| 0xFFFFFFFF); |
| WREG32_SOC15(MMHUB, 0, |
| regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, |
| 0x0000000F); |
| |
| WREG32_SOC15(MMHUB, 0, |
| regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); |
| WREG32_SOC15(MMHUB, 0, |
| regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); |
| |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, |
| 0); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, |
| 0); |
| } |
| |
| static void mmhub_v3_3_setup_vmid_config(struct amdgpu_device *adev) |
| { |
| struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
| int i; |
| uint32_t tmp; |
| |
| for (i = 0; i <= 14; i++) { |
| tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i * hub->ctx_distance); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, |
| adev->vm_manager.num_level); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, |
| 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| PAGE_TABLE_BLOCK_SIZE, |
| adev->vm_manager.block_size - 9); |
| /* Send no-retry XNACK on fault to suppress VM fault storm. */ |
| tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, |
| RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, |
| !amdgpu_noretry); |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, |
| i * hub->ctx_distance, tmp); |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, |
| i * hub->ctx_addr_distance, 0); |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, |
| i * hub->ctx_addr_distance, 0); |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, |
| i * hub->ctx_addr_distance, |
| lower_32_bits(adev->vm_manager.max_pfn - 1)); |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, |
| i * hub->ctx_addr_distance, |
| upper_32_bits(adev->vm_manager.max_pfn - 1)); |
| } |
| |
| hub->vm_cntx_cntl = tmp; |
| } |
| |
| static void mmhub_v3_3_program_invalidation(struct amdgpu_device *adev) |
| { |
| struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
| unsigned int i; |
| |
| for (i = 0; i < 18; ++i) { |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, |
| i * hub->eng_addr_distance, 0xffffffff); |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, |
| i * hub->eng_addr_distance, 0x1f); |
| } |
| } |
| |
| static void mmhub_v3_3_init_saw_regs(struct amdgpu_device *adev) |
| { |
| uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); |
| uint32_t tmp; |
| |
| /* Program page table base, gart start, gart end */ |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, |
| lower_32_bits(pt_base >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, |
| upper_32_bits(pt_base >> 12)); |
| |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, |
| (u32)(adev->gmc.gart_start >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, |
| (u32)(adev->gmc.gart_start >> 44)); |
| |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, |
| (u32)(adev->gmc.gart_end >> 12)); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, |
| (u32)(adev->gmc.gart_end >> 44)); |
| |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_CNTL); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_CNTL, tmp); |
| |
| /* Disable all contexts except context 0 */ |
| tmp = 0xfffe; |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXTS_DISABLE, tmp); |
| |
| /* Program saw cntl4 */ |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CNTL4); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 1); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CNTL4, tmp); |
| } |
| |
| static void mmhub_v3_3_enable_tls(struct amdgpu_device *adev) |
| { |
| WREG32_SOC15(MMHUB, 0, regDAGB0_L1TLB_REG_RW_3_3, 0); |
| WREG32_SOC15(MMHUB, 0, regDAGB1_L1TLB_REG_RW_3_3, 3); |
| } |
| |
| static int mmhub_v3_3_gart_enable(struct amdgpu_device *adev) |
| { |
| /* GART Enable. */ |
| mmhub_v3_3_init_gart_aperture_regs(adev); |
| mmhub_v3_3_init_system_aperture_regs(adev); |
| mmhub_v3_3_init_tlb_regs(adev); |
| mmhub_v3_3_init_cache_regs(adev); |
| |
| mmhub_v3_3_enable_system_domain(adev); |
| mmhub_v3_3_disable_identity_aperture(adev); |
| mmhub_v3_3_setup_vmid_config(adev); |
| mmhub_v3_3_program_invalidation(adev); |
| |
| /* standalone alone walker init */ |
| mmhub_v3_3_init_saw_regs(adev); |
| |
| /* enable mmhub tls */ |
| mmhub_v3_3_enable_tls(adev); |
| |
| return 0; |
| } |
| |
| static void mmhub_v3_3_gart_disable(struct amdgpu_device *adev) |
| { |
| struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
| u32 tmp; |
| u32 i; |
| |
| /* Disable all tables */ |
| for (i = 0; i < 16; i++) |
| WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL, |
| i * hub->ctx_distance, 0); |
| |
| /* Setup TLB control */ |
| tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); |
| tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, |
| ENABLE_ADVANCED_DRIVER_MODEL, 0); |
| WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); |
| |
| /* Setup L2 cache */ |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0); |
| } |
| |
| /** |
| * mmhub_v3_3_set_fault_enable_default - update GART/VM fault handling |
| * |
| * @adev: amdgpu_device pointer |
| * @value: true redirects VM faults to the default page |
| */ |
| static void mmhub_v3_3_set_fault_enable_default(struct amdgpu_device *adev, |
| bool value) |
| { |
| u32 tmp; |
| |
| tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, |
| value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); |
| if (!value) { |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| CRASH_ON_NO_RETRY_FAULT, 1); |
| tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, |
| CRASH_ON_RETRY_FAULT, 1); |
| } |
| WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp); |
| } |
| |
| static const struct amdgpu_vmhub_funcs mmhub_v3_3_vmhub_funcs = { |
| .print_l2_protection_fault_status = mmhub_v3_3_print_l2_protection_fault_status, |
| .get_invalidate_req = mmhub_v3_3_get_invalidate_req, |
| }; |
| |
| static void mmhub_v3_3_init(struct amdgpu_device *adev) |
| { |
| struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; |
| |
| hub->ctx0_ptb_addr_lo32 = |
| SOC15_REG_OFFSET(MMHUB, 0, |
| regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); |
| hub->ctx0_ptb_addr_hi32 = |
| SOC15_REG_OFFSET(MMHUB, 0, |
| regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); |
| hub->vm_inv_eng0_sem = |
| SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM); |
| hub->vm_inv_eng0_req = |
| SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ); |
| hub->vm_inv_eng0_ack = |
| SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK); |
| hub->vm_context0_cntl = |
| SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL); |
| hub->vm_l2_pro_fault_status = |
| SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS); |
| hub->vm_l2_pro_fault_cntl = |
| SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); |
| |
| hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL; |
| hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - |
| regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; |
| hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ - |
| regMMVM_INVALIDATE_ENG0_REQ; |
| hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - |
| regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; |
| |
| hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
| MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
| MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
| MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
| MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
| MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
| MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; |
| |
| hub->vmhub_funcs = &mmhub_v3_3_vmhub_funcs; |
| } |
| |
| static u64 mmhub_v3_3_get_fb_location(struct amdgpu_device *adev) |
| { |
| u64 base; |
| |
| base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE); |
| base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; |
| base <<= 24; |
| |
| return base; |
| } |
| |
| static u64 mmhub_v3_3_get_mc_fb_offset(struct amdgpu_device *adev) |
| { |
| u64 offset; |
| |
| offset = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET); |
| offset &= MMMC_VM_FB_OFFSET__FB_OFFSET_MASK; |
| offset <<= 24; |
| |
| return offset; |
| } |
| |
| static void mmhub_v3_3_update_medium_grain_clock_gating(struct amdgpu_device *adev, |
| bool enable) |
| { |
| uint32_t def, data; |
| |
| def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG); |
| |
| if (enable) |
| data |= MM_ATC_L2_MISC_CG__ENABLE_MASK; |
| else |
| data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK; |
| |
| if (def != data) |
| WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data); |
| } |
| |
| static void mmhub_v3_3_update_medium_grain_light_sleep(struct amdgpu_device *adev, |
| bool enable) |
| { |
| uint32_t def, data; |
| |
| def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG); |
| |
| if (enable) |
| data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; |
| else |
| data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; |
| |
| if (def != data) |
| WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data); |
| } |
| |
| static int mmhub_v3_3_set_clockgating(struct amdgpu_device *adev, |
| enum amd_clockgating_state state) |
| { |
| if (amdgpu_sriov_vf(adev)) |
| return 0; |
| |
| mmhub_v3_3_update_medium_grain_clock_gating(adev, |
| state == AMD_CG_STATE_GATE); |
| mmhub_v3_3_update_medium_grain_light_sleep(adev, |
| state == AMD_CG_STATE_GATE); |
| return 0; |
| } |
| |
| static void mmhub_v3_3_get_clockgating(struct amdgpu_device *adev, u64 *flags) |
| { |
| u32 data; |
| |
| if (amdgpu_sriov_vf(adev)) |
| *flags = 0; |
| |
| data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG); |
| |
| /* AMD_CG_SUPPORT_MC_MGCG */ |
| if (data & MM_ATC_L2_MISC_CG__ENABLE_MASK) |
| *flags |= AMD_CG_SUPPORT_MC_MGCG; |
| |
| /* AMD_CG_SUPPORT_MC_LS */ |
| if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK) |
| *flags |= AMD_CG_SUPPORT_MC_LS; |
| } |
| |
| const struct amdgpu_mmhub_funcs mmhub_v3_3_funcs = { |
| .init = mmhub_v3_3_init, |
| .get_fb_location = mmhub_v3_3_get_fb_location, |
| .get_mc_fb_offset = mmhub_v3_3_get_mc_fb_offset, |
| .gart_enable = mmhub_v3_3_gart_enable, |
| .set_fault_enable_default = mmhub_v3_3_set_fault_enable_default, |
| .gart_disable = mmhub_v3_3_gart_disable, |
| .set_clockgating = mmhub_v3_3_set_clockgating, |
| .get_clockgating = mmhub_v3_3_get_clockgating, |
| .setup_vm_pt_regs = mmhub_v3_3_setup_vm_pt_regs, |
| }; |
