diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 772 |
1 files changed, 772 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c new file mode 100644 index 000000000..c963eec58 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -0,0 +1,772 @@ +/* + * 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 "mmhub_v1_0.h" + +#include "mmhub/mmhub_1_0_offset.h" +#include "mmhub/mmhub_1_0_sh_mask.h" +#include "mmhub/mmhub_1_0_default.h" +#include "athub/athub_1_0_offset.h" +#include "athub/athub_1_0_sh_mask.h" +#include "vega10_enum.h" + +#include "soc15_common.h" + +#define mmDAGB0_CNTL_MISC2_RV 0x008f +#define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0 + +u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev) +{ + u64 base = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE); + + base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK; + base <<= 24; + + return base; +} + +static void mmhub_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->gmc.vram_start + + adev->vm_manager.vram_base_offset; + value &= 0x0000FFFFFFFFF000ULL; + value |= 0x1; /* valid bit */ + + WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, + lower_32_bits(value)); + + WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, + upper_32_bits(value)); +} + +static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev) +{ + mmhub_v1_0_init_gart_pt_regs(adev); + + WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, + (u32)(adev->gmc.gart_start >> 12)); + WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, + (u32)(adev->gmc.gart_start >> 44)); + + WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, + (u32)(adev->gmc.gart_end >> 12)); + WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, + (u32)(adev->gmc.gart_end >> 44)); +} + +static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) +{ + uint64_t value; + uint32_t tmp; + + /* Disable AGP. */ + WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BASE, 0); + WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_TOP, 0); + WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BOT, 0x00FFFFFF); + + /* Program the system aperture low logical page number. */ + WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, + adev->gmc.vram_start >> 18); + WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, + adev->gmc.vram_end >> 18); + + /* Set default page address. */ + value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start + + adev->vm_manager.vram_base_offset; + WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, + (u32)(value >> 12)); + WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, + (u32)(value >> 44)); + + /* Program "protection fault". */ + WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, + (u32)(adev->dummy_page_addr >> 12)); + WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, + (u32)((u64)adev->dummy_page_addr >> 44)); + + tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2, + ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); + WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp); +} + +static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) +{ + uint32_t tmp; + + /* Setup TLB control */ + tmp = RREG32_SOC15(MMHUB, 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(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); +} + +static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev) +{ + uint32_t tmp; + + /* Setup L2 cache */ + tmp = RREG32_SOC15(MMHUB, 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(MMHUB, 0, mmVM_L2_CNTL, tmp); + + tmp = RREG32_SOC15(MMHUB, 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(MMHUB, 0, mmVM_L2_CNTL2, tmp); + + if (adev->gmc.translate_further) { + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 9); + } else { + 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(MMHUB, 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(MMHUB, 0, mmVM_L2_CNTL4, tmp); +} + +static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev) +{ + uint32_t tmp; + + tmp = RREG32_SOC15(MMHUB, 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(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp); +} + +static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev) +{ + WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, + 0XFFFFFFFF); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, + 0x0000000F); + + WREG32_SOC15(MMHUB, 0, + mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); + WREG32_SOC15(MMHUB, 0, + mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); + + WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, + 0); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, + 0); +} + +static void mmhub_v1_0_setup_vmid_config(struct amdgpu_device *adev) +{ + unsigned num_level, block_size; + uint32_t tmp; + int i; + + num_level = adev->vm_manager.num_level; + block_size = adev->vm_manager.block_size; + if (adev->gmc.translate_further) + num_level -= 1; + else + block_size -= 9; + + for (i = 0; i <= 14; i++) { + tmp = RREG32_SOC15_OFFSET(MMHUB, 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, + 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, + block_size); + /* 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(MMHUB, 0, mmVM_CONTEXT1_CNTL, i, tmp); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2, + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2, + upper_32_bits(adev->vm_manager.max_pfn - 1)); + } +} + +static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev) +{ + unsigned i; + + for (i = 0; i < 18; ++i) { + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, + 2 * i, 0xffffffff); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, + 2 * i, 0x1f); + } +} + +struct pctl_data { + uint32_t index; + uint32_t data; +}; + +static const struct pctl_data pctl0_data[] = { + {0x0, 0x7a640}, + {0x9, 0x2a64a}, + {0xd, 0x2a680}, + {0x11, 0x6a684}, + {0x19, 0xea68e}, + {0x29, 0xa69e}, + {0x2b, 0x0010a6c0}, + {0x3d, 0x83a707}, + {0xc2, 0x8a7a4}, + {0xcc, 0x1a7b8}, + {0xcf, 0xfa7cc}, + {0xe0, 0x17a7dd}, + {0xf9, 0xa7dc}, + {0xfb, 0x12a7f5}, + {0x10f, 0xa808}, + {0x111, 0x12a810}, + {0x125, 0x7a82c} +}; +#define PCTL0_DATA_LEN (ARRAY_SIZE(pctl0_data)) + +#define PCTL0_RENG_EXEC_END_PTR 0x12d +#define PCTL0_STCTRL_REG_SAVE_RANGE0_BASE 0xa640 +#define PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa833 + +static const struct pctl_data pctl1_data[] = { + {0x0, 0x39a000}, + {0x3b, 0x44a040}, + {0x81, 0x2a08d}, + {0x85, 0x6ba094}, + {0xf2, 0x18a100}, + {0x10c, 0x4a132}, + {0x112, 0xca141}, + {0x120, 0x2fa158}, + {0x151, 0x17a1d0}, + {0x16a, 0x1a1e9}, + {0x16d, 0x13a1ec}, + {0x182, 0x7a201}, + {0x18b, 0x3a20a}, + {0x190, 0x7a580}, + {0x199, 0xa590}, + {0x19b, 0x4a594}, + {0x1a1, 0x1a59c}, + {0x1a4, 0x7a82c}, + {0x1ad, 0xfa7cc}, + {0x1be, 0x17a7dd}, + {0x1d7, 0x12a810}, + {0x1eb, 0x4000a7e1}, + {0x1ec, 0x5000a7f5}, + {0x1ed, 0x4000a7e2}, + {0x1ee, 0x5000a7dc}, + {0x1ef, 0x4000a7e3}, + {0x1f0, 0x5000a7f6}, + {0x1f1, 0x5000a7e4} +}; +#define PCTL1_DATA_LEN (ARRAY_SIZE(pctl1_data)) + +#define PCTL1_RENG_EXEC_END_PTR 0x1f1 +#define PCTL1_STCTRL_REG_SAVE_RANGE0_BASE 0xa000 +#define PCTL1_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa20d +#define PCTL1_STCTRL_REG_SAVE_RANGE1_BASE 0xa580 +#define PCTL1_STCTRL_REG_SAVE_RANGE1_LIMIT 0xa59d +#define PCTL1_STCTRL_REG_SAVE_RANGE2_BASE 0xa82c +#define PCTL1_STCTRL_REG_SAVE_RANGE2_LIMIT 0xa833 + +static void mmhub_v1_0_power_gating_write_save_ranges(struct amdgpu_device *adev) +{ + uint32_t tmp = 0; + + /* PCTL0_STCTRL_REGISTER_SAVE_RANGE0 */ + tmp = REG_SET_FIELD(tmp, PCTL0_STCTRL_REGISTER_SAVE_RANGE0, + STCTRL_REGISTER_SAVE_BASE, + PCTL0_STCTRL_REG_SAVE_RANGE0_BASE); + tmp = REG_SET_FIELD(tmp, PCTL0_STCTRL_REGISTER_SAVE_RANGE0, + STCTRL_REGISTER_SAVE_LIMIT, + PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT); + WREG32_SOC15(MMHUB, 0, mmPCTL0_STCTRL_REGISTER_SAVE_RANGE0, tmp); + + /* PCTL1_STCTRL_REGISTER_SAVE_RANGE0 */ + tmp = 0; + tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE0, + STCTRL_REGISTER_SAVE_BASE, + PCTL1_STCTRL_REG_SAVE_RANGE0_BASE); + tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE0, + STCTRL_REGISTER_SAVE_LIMIT, + PCTL1_STCTRL_REG_SAVE_RANGE0_LIMIT); + WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE0, tmp); + + /* PCTL1_STCTRL_REGISTER_SAVE_RANGE1 */ + tmp = 0; + tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE1, + STCTRL_REGISTER_SAVE_BASE, + PCTL1_STCTRL_REG_SAVE_RANGE1_BASE); + tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE1, + STCTRL_REGISTER_SAVE_LIMIT, + PCTL1_STCTRL_REG_SAVE_RANGE1_LIMIT); + WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE1, tmp); + + /* PCTL1_STCTRL_REGISTER_SAVE_RANGE2 */ + tmp = 0; + tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE2, + STCTRL_REGISTER_SAVE_BASE, + PCTL1_STCTRL_REG_SAVE_RANGE2_BASE); + tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE2, + STCTRL_REGISTER_SAVE_LIMIT, + PCTL1_STCTRL_REG_SAVE_RANGE2_LIMIT); + WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE2, tmp); +} + +void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev) +{ + uint32_t pctl0_misc = 0; + uint32_t pctl0_reng_execute = 0; + uint32_t pctl1_misc = 0; + uint32_t pctl1_reng_execute = 0; + int i = 0; + + if (amdgpu_sriov_vf(adev)) + return; + + /****************** pctl0 **********************/ + pctl0_misc = RREG32_SOC15(MMHUB, 0, mmPCTL0_MISC); + pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE); + + /* Light sleep must be disabled before writing to pctl0 registers */ + pctl0_misc &= ~PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK; + WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc); + + /* Write data used to access ram of register engine */ + for (i = 0; i < PCTL0_DATA_LEN; i++) { + WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_RAM_INDEX, + pctl0_data[i].index); + WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_RAM_DATA, + pctl0_data[i].data); + } + + /* Re-enable light sleep */ + pctl0_misc |= PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK; + WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc); + + /****************** pctl1 **********************/ + pctl1_misc = RREG32_SOC15(MMHUB, 0, mmPCTL1_MISC); + pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE); + + /* Light sleep must be disabled before writing to pctl1 registers */ + pctl1_misc &= ~PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK; + WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc); + + /* Write data used to access ram of register engine */ + for (i = 0; i < PCTL1_DATA_LEN; i++) { + WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_RAM_INDEX, + pctl1_data[i].index); + WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_RAM_DATA, + pctl1_data[i].data); + } + + /* Re-enable light sleep */ + pctl1_misc |= PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK; + WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc); + + mmhub_v1_0_power_gating_write_save_ranges(adev); + + /* Set the reng execute end ptr for pctl0 */ + pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute, + PCTL0_RENG_EXECUTE, + RENG_EXECUTE_END_PTR, + PCTL0_RENG_EXEC_END_PTR); + WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute); + + /* Set the reng execute end ptr for pctl1 */ + pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute, + PCTL1_RENG_EXECUTE, + RENG_EXECUTE_END_PTR, + PCTL1_RENG_EXEC_END_PTR); + WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute); +} + +void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t pctl0_reng_execute = 0; + uint32_t pctl1_reng_execute = 0; + + if (amdgpu_sriov_vf(adev)) + return; + + pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE); + pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE); + + if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) { + pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute, + PCTL0_RENG_EXECUTE, + RENG_EXECUTE_ON_PWR_UP, 1); + pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute, + PCTL0_RENG_EXECUTE, + RENG_EXECUTE_ON_REG_UPDATE, 1); + WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute); + + pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute, + PCTL1_RENG_EXECUTE, + RENG_EXECUTE_ON_PWR_UP, 1); + pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute, + PCTL1_RENG_EXECUTE, + RENG_EXECUTE_ON_REG_UPDATE, 1); + WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute); + + if (adev->powerplay.pp_funcs->set_powergating_by_smu) + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GMC, true); + + } else { + pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute, + PCTL0_RENG_EXECUTE, + RENG_EXECUTE_ON_PWR_UP, 0); + pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute, + PCTL0_RENG_EXECUTE, + RENG_EXECUTE_ON_REG_UPDATE, 0); + WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute); + + pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute, + PCTL1_RENG_EXECUTE, + RENG_EXECUTE_ON_PWR_UP, 0); + pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute, + PCTL1_RENG_EXECUTE, + RENG_EXECUTE_ON_REG_UPDATE, 0); + WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute); + } +} + +int mmhub_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(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE, + adev->gmc.vram_start >> 24); + WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP, + adev->gmc.vram_end >> 24); + } + + /* GART Enable. */ + mmhub_v1_0_init_gart_aperture_regs(adev); + mmhub_v1_0_init_system_aperture_regs(adev); + mmhub_v1_0_init_tlb_regs(adev); + mmhub_v1_0_init_cache_regs(adev); + + mmhub_v1_0_enable_system_domain(adev); + mmhub_v1_0_disable_identity_aperture(adev); + mmhub_v1_0_setup_vmid_config(adev); + mmhub_v1_0_program_invalidation(adev); + + return 0; +} + +void mmhub_v1_0_gart_disable(struct amdgpu_device *adev) +{ + u32 tmp; + u32 i; + + /* Disable all tables */ + for (i = 0; i < 16; i++) + WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL, i, 0); + + /* Setup TLB control */ + tmp = RREG32_SOC15(MMHUB, 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(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); + + /* Setup L2 cache */ + tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0); +} + +/** + * mmhub_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 mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) +{ + u32 tmp; + tmp = RREG32_SOC15(MMHUB, 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); + if (!value) { + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_NO_RETRY_FAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_RETRY_FAULT, 1); + } + + WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp); +} + +void mmhub_v1_0_init(struct amdgpu_device *adev) +{ + struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB]; + + hub->ctx0_ptb_addr_lo32 = + SOC15_REG_OFFSET(MMHUB, 0, + mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); + hub->ctx0_ptb_addr_hi32 = + SOC15_REG_OFFSET(MMHUB, 0, + mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); + hub->vm_inv_eng0_req = + SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ); + hub->vm_inv_eng0_ack = + SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK); + hub->vm_context0_cntl = + SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL); + hub->vm_l2_pro_fault_status = + SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS); + hub->vm_l2_pro_fault_cntl = + SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL); + +} + +static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data, def1, data1, def2 = 0, data2 = 0; + + def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG); + + if (adev->asic_type != CHIP_RAVEN) { + def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2); + def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2); + } else + def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { + data |= ATC_L2_MISC_CG__ENABLE_MASK; + + data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + + if (adev->asic_type != CHIP_RAVEN) + data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + } else { + data &= ~ATC_L2_MISC_CG__ENABLE_MASK; + + data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + + if (adev->asic_type != CHIP_RAVEN) + data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + } + + if (def != data) + WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data); + + if (def1 != data1) { + if (adev->asic_type != CHIP_RAVEN) + WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1); + else + WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV, data1); + } + + if (adev->asic_type != CHIP_RAVEN && def2 != data2) + WREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2, data2); +} + +static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) + data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK; + else + data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK; + + if (def != data) + WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data); +} + +static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) + data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; + else + data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; + + if (def != data) + WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data); +} + +static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) && + (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS)) + data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK; + else + data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK; + + if(def != data) + WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data); +} + +int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev, + enum amd_clockgating_state state) +{ + if (amdgpu_sriov_vf(adev)) + return 0; + + switch (adev->asic_type) { + case CHIP_VEGA10: + case CHIP_VEGA12: + case CHIP_VEGA20: + case CHIP_RAVEN: + mmhub_v1_0_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + athub_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + mmhub_v1_0_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + athub_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } + + return 0; +} + +void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags) +{ + int data; + + if (amdgpu_sriov_vf(adev)) + *flags = 0; + + /* AMD_CG_SUPPORT_MC_MGCG */ + data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL); + if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK) + *flags |= AMD_CG_SUPPORT_MC_MGCG; + + /* AMD_CG_SUPPORT_MC_LS */ + data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG); + if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK) + *flags |= AMD_CG_SUPPORT_MC_LS; +} |