/* * Copyright 2016 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 "gfxhub_v1_0.h" #include "vega10/soc15ip.h" #include "vega10/GC/gc_9_0_offset.h" #include "vega10/GC/gc_9_0_sh_mask.h" #include "vega10/GC/gc_9_0_default.h" #include "vega10/vega10_enum.h" #include "soc15_common.h" u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev) { return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24; } static void gfxhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev) { uint64_t value; BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL)); value = adev->gart.table_addr - adev->mc.vram_start + adev->vm_manager.vram_base_offset; value &= 0x0000FFFFFFFFF000ULL; value |= 0x1; /*valid bit*/ WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, lower_32_bits(value)); WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, upper_32_bits(value)); } static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev) { gfxhub_v1_0_init_gart_pt_regs(adev); WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, (u32)(adev->mc.gart_start >> 12)); WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, (u32)(adev->mc.gart_start >> 44)); WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, (u32)(adev->mc.gart_end >> 12)); WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, (u32)(adev->mc.gart_end >> 44)); } static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; /* Disable AGP. */ WREG32_SOC15(GC, 0, mmMC_VM_AGP_BASE, 0); WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0); WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFFFF); /* Program the system aperture low logical page number. */ WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->mc.vram_start >> 18); WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, adev->mc.vram_end >> 18); /* Set default page address. */ value = adev->vram_scratch.gpu_addr - adev->mc.vram_start + adev->vm_manager.vram_base_offset; WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, (u32)(value >> 12)); WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, (u32)(value >> 44)); /* Program "protection fault". */ WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, (u32)(adev->dummy_page.addr >> 12)); WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, (u32)((u64)adev->dummy_page.addr >> 44)); WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2, ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); } static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) { uint32_t tmp; /* Setup TLB control */ tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC);/* XXX for emulation. */ tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); WREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); } static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev) { uint32_t tmp; /* Setup L2 cache */ tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); /* XXX for emulation, Refer to closed source code.*/ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); WREG32_SOC15(GC, 0, mmVM_L2_CNTL, tmp); tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); WREG32_SOC15(GC, 0, mmVM_L2_CNTL2, tmp); tmp = mmVM_L2_CNTL3_DEFAULT; tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6); WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, tmp); tmp = mmVM_L2_CNTL4_DEFAULT; tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); WREG32_SOC15(GC, 0, mmVM_L2_CNTL4, tmp); } static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev) { uint32_t tmp; tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp); } static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev) { WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 0XFFFFFFFF); WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 0x0000000F); WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); } static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev) { int i; uint32_t tmp; for (i = 0; i <= 14; i++) { tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, adev->vm_manager.num_level); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_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, VM_CONTEXT1_CNTL, RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i, tmp); WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0); WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0); WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2, lower_32_bits(adev->vm_manager.max_pfn - 1)); WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2, upper_32_bits(adev->vm_manager.max_pfn - 1)); } } static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev) { unsigned i; for (i = 0 ; i < 18; ++i) { WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 2 * i, 0xffffffff); WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 2 * i, 0x1f); } } int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev) { if (amdgpu_sriov_vf(adev)) { /* * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are * VF copy registers so vbios post doesn't program them, for * SRIOV driver need to program them */ WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, adev->mc.vram_start >> 24); WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, adev->mc.vram_end >> 24); } /* GART Enable. */ gfxhub_v1_0_init_gart_aperture_regs(adev); gfxhub_v1_0_init_system_aperture_regs(adev); gfxhub_v1_0_init_tlb_regs(adev); gfxhub_v1_0_init_cache_regs(adev); gfxhub_v1_0_enable_system_domain(adev); gfxhub_v1_0_disable_identity_aperture(adev); gfxhub_v1_0_setup_vmid_config(adev); gfxhub_v1_0_program_invalidation(adev); return 0; } void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev) { u32 tmp; u32 i; /* Disable all tables */ for (i = 0; i < 16; i++) WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL, i, 0); /* Setup TLB control */ tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); WREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0); WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0); } /** * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling * * @adev: amdgpu_device pointer * @value: true redirects VM faults to the default page */ void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp); } void gfxhub_v1_0_init(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB]; hub->ctx0_ptb_addr_lo32 = SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); hub->ctx0_ptb_addr_hi32 = SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); hub->vm_inv_eng0_req = SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ); hub->vm_inv_eng0_ack = SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK); hub->vm_context0_cntl = SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL); hub->vm_l2_pro_fault_status = SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS); hub->vm_l2_pro_fault_cntl = SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL); }