diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c new file mode 100644 index 000000000000..1ff019cda42d --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -0,0 +1,447 @@ +/* + * 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" + +int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev) +{ + u32 tmp; + u64 value; + u32 i; + + /* Program MC. */ + /* Update configuration */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR), + adev->mc.vram_start >> 18); + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR), + adev->mc.vram_end >> 18); + + value = adev->vram_scratch.gpu_addr - adev->mc.vram_start + + adev->vm_manager.vram_base_offset; + WREG32(SOC15_REG_OFFSET(GC, 0, + mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB), + (u32)(value >> 12)); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB), + (u32)(value >> 44)); + + /* Disable AGP. */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BASE), 0); + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_TOP), 0); + WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BOT), 0xFFFFFFFF); + + /* GART Enable. */ + + /* Setup TLB control */ + tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp); + + /* Setup L2 cache */ + tmp = RREG32(SOC15_REG_OFFSET(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, + 0); + tmp = REG_SET_FIELD(tmp, + VM_L2_CNTL, + L2_PDE0_CACHE_TAG_GENERATION_MODE, + 0);/* XXX for emulation, Refer to closed source code.*/ + 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_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp); + + tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0, mmVM_L2_CNTL2), tmp); + + tmp = mmVM_L2_CNTL3_DEFAULT; + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL3), tmp); + + tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL4)); + 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_REG_OFFSET(GC, 0, mmVM_L2_CNTL4), tmp); + + /* setup context0 */ + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32), + (u32)(adev->mc.gtt_start >> 12)); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32), + (u32)(adev->mc.gtt_start >> 44)); + + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32), + (u32)(adev->mc.gtt_end >> 12)); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32), + (u32)(adev->mc.gtt_end >> 44)); + + 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_REG_OFFSET(GC, 0, + mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32), + (u32)value); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32), + (u32)(value >> 32)); + + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32), + (u32)(adev->dummy_page.addr >> 12)); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32), + (u32)(adev->dummy_page.addr >> 44)); + + tmp = RREG32(SOC15_REG_OFFSET(GC, 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_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp); + + tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL), tmp); + + /* Disable identity aperture.*/ + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F); + + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0); + + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0); + + for (i = 0; i <= 14; i++) { + tmp = RREG32(SOC15_REG_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, 1); + 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, + amdgpu_vm_block_size - 9); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL) + i, tmp); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2, + adev->vm_manager.max_pfn - 1); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0); + } + + + 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_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL) + i, 0); + + /* Setup TLB control */ + tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp); + + /* Setup L2 cache */ + tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL)); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp); + WREG32(SOC15_REG_OFFSET(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_REG_OFFSET(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_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL), tmp); +} + +static uint32_t gfxhub_v1_0_get_invalidate_req(unsigned int vm_id) +{ + u32 req = 0; + + /* invalidate using legacy mode on vm_id*/ + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, + PER_VMID_INVALIDATE_REQ, 1 << vm_id); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); + req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, + CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); + + return req; +} + +static uint32_t gfxhub_v1_0_get_vm_protection_bits(void) +{ + return (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); +} + +static int gfxhub_v1_0_early_init(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_late_init(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_sw_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + 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); + + hub->get_invalidate_req = gfxhub_v1_0_get_invalidate_req; + hub->get_vm_protection_bits = gfxhub_v1_0_get_vm_protection_bits; + + return 0; +} + +static int gfxhub_v1_0_sw_fini(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_hw_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + unsigned i; + + for (i = 0 ; i < 18; ++i) { + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) + + 2 * i, 0xffffffff); + WREG32(SOC15_REG_OFFSET(GC, 0, + mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) + + 2 * i, 0x1f); + } + + return 0; +} + +static int gfxhub_v1_0_hw_fini(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_suspend(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_resume(void *handle) +{ + return 0; +} + +static bool gfxhub_v1_0_is_idle(void *handle) +{ + return true; +} + +static int gfxhub_v1_0_wait_for_idle(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_soft_reset(void *handle) +{ + return 0; +} + +static int gfxhub_v1_0_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + return 0; +} + +static int gfxhub_v1_0_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +const struct amd_ip_funcs gfxhub_v1_0_ip_funcs = { + .name = "gfxhub_v1_0", + .early_init = gfxhub_v1_0_early_init, + .late_init = gfxhub_v1_0_late_init, + .sw_init = gfxhub_v1_0_sw_init, + .sw_fini = gfxhub_v1_0_sw_fini, + .hw_init = gfxhub_v1_0_hw_init, + .hw_fini = gfxhub_v1_0_hw_fini, + .suspend = gfxhub_v1_0_suspend, + .resume = gfxhub_v1_0_resume, + .is_idle = gfxhub_v1_0_is_idle, + .wait_for_idle = gfxhub_v1_0_wait_for_idle, + .soft_reset = gfxhub_v1_0_soft_reset, + .set_clockgating_state = gfxhub_v1_0_set_clockgating_state, + .set_powergating_state = gfxhub_v1_0_set_powergating_state, +}; + +const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block = +{ + .type = AMD_IP_BLOCK_TYPE_GFXHUB, + .major = 1, + .minor = 0, + .rev = 0, + .funcs = &gfxhub_v1_0_ip_funcs, +}; |