/* * Copyright 2014 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 #include #include #include #include "amdgpu.h" #include "gmc_v6_0.h" #include "amdgpu_ucode.h" #include "amdgpu_gem.h" #include "bif/bif_3_0_d.h" #include "bif/bif_3_0_sh_mask.h" #include "oss/oss_1_0_d.h" #include "oss/oss_1_0_sh_mask.h" #include "gmc/gmc_6_0_d.h" #include "gmc/gmc_6_0_sh_mask.h" #include "dce/dce_6_0_d.h" #include "dce/dce_6_0_sh_mask.h" #include "si_enums.h" static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev); static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev); static int gmc_v6_0_wait_for_idle(void *handle); MODULE_FIRMWARE("amdgpu/tahiti_mc.bin"); MODULE_FIRMWARE("amdgpu/pitcairn_mc.bin"); MODULE_FIRMWARE("amdgpu/verde_mc.bin"); MODULE_FIRMWARE("amdgpu/oland_mc.bin"); MODULE_FIRMWARE("amdgpu/hainan_mc.bin"); MODULE_FIRMWARE("amdgpu/si58_mc.bin"); #define MC_SEQ_MISC0__MT__MASK 0xf0000000 #define MC_SEQ_MISC0__MT__GDDR1 0x10000000 #define MC_SEQ_MISC0__MT__DDR2 0x20000000 #define MC_SEQ_MISC0__MT__GDDR3 0x30000000 #define MC_SEQ_MISC0__MT__GDDR4 0x40000000 #define MC_SEQ_MISC0__MT__GDDR5 0x50000000 #define MC_SEQ_MISC0__MT__HBM 0x60000000 #define MC_SEQ_MISC0__MT__DDR3 0xB0000000 static void gmc_v6_0_mc_stop(struct amdgpu_device *adev) { u32 blackout; gmc_v6_0_wait_for_idle((void *)adev); blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { /* Block CPU access */ WREG32(mmBIF_FB_EN, 0); /* blackout the MC */ blackout = REG_SET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); } /* wait for the MC to settle */ udelay(100); } static void gmc_v6_0_mc_resume(struct amdgpu_device *adev) { u32 tmp; /* unblackout the MC */ tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); /* allow CPU access */ tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); WREG32(mmBIF_FB_EN, tmp); } static int gmc_v6_0_init_microcode(struct amdgpu_device *adev) { const char *chip_name; char fw_name[30]; int err; bool is_58_fw = false; DRM_DEBUG("\n"); switch (adev->asic_type) { case CHIP_TAHITI: chip_name = "tahiti"; break; case CHIP_PITCAIRN: chip_name = "pitcairn"; break; case CHIP_VERDE: chip_name = "verde"; break; case CHIP_OLAND: chip_name = "oland"; break; case CHIP_HAINAN: chip_name = "hainan"; break; default: BUG(); } /* this memory configuration requires special firmware */ if (((RREG32(mmMC_SEQ_MISC0) & 0xff000000) >> 24) == 0x58) is_58_fw = true; if (is_58_fw) snprintf(fw_name, sizeof(fw_name), "amdgpu/si58_mc.bin"); else snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); err = request_firmware(&adev->gmc.fw, fw_name, adev->dev); if (err) goto out; err = amdgpu_ucode_validate(adev->gmc.fw); out: if (err) { dev_err(adev->dev, "si_mc: Failed to load firmware \"%s\"\n", fw_name); release_firmware(adev->gmc.fw); adev->gmc.fw = NULL; } return err; } static int gmc_v6_0_mc_load_microcode(struct amdgpu_device *adev) { const __le32 *new_fw_data = NULL; u32 running; const __le32 *new_io_mc_regs = NULL; int i, regs_size, ucode_size; const struct mc_firmware_header_v1_0 *hdr; if (!adev->gmc.fw) return -EINVAL; hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data; amdgpu_ucode_print_mc_hdr(&hdr->header); adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version); regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); new_io_mc_regs = (const __le32 *) (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; new_fw_data = (const __le32 *) (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); running = RREG32(mmMC_SEQ_SUP_CNTL) & MC_SEQ_SUP_CNTL__RUN_MASK; if (running == 0) { /* reset the engine and set to writable */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); /* load mc io regs */ for (i = 0; i < regs_size; i++) { WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++)); WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++)); } /* load the MC ucode */ for (i = 0; i < ucode_size; i++) { WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++)); } /* put the engine back into the active state */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); /* wait for training to complete */ for (i = 0; i < adev->usec_timeout; i++) { if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D0_MASK) break; udelay(1); } for (i = 0; i < adev->usec_timeout; i++) { if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D1_MASK) break; udelay(1); } } return 0; } static void gmc_v6_0_vram_gtt_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc) { u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF; base <<= 24; amdgpu_gmc_vram_location(adev, mc, base); amdgpu_gmc_gart_location(adev, mc); } static void gmc_v6_0_mc_program(struct amdgpu_device *adev) { int i, j; /* Initialize HDP */ for (i = 0, j = 0; i < 32; i++, j += 0x6) { WREG32((0xb05 + j), 0x00000000); WREG32((0xb06 + j), 0x00000000); WREG32((0xb07 + j), 0x00000000); WREG32((0xb08 + j), 0x00000000); WREG32((0xb09 + j), 0x00000000); } WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); if (gmc_v6_0_wait_for_idle((void *)adev)) { dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } if (adev->mode_info.num_crtc) { u32 tmp; /* Lockout access through VGA aperture*/ tmp = RREG32(mmVGA_HDP_CONTROL); tmp |= VGA_HDP_CONTROL__VGA_MEMORY_DISABLE_MASK; WREG32(mmVGA_HDP_CONTROL, tmp); /* disable VGA render */ tmp = RREG32(mmVGA_RENDER_CONTROL); tmp &= ~VGA_VSTATUS_CNTL; WREG32(mmVGA_RENDER_CONTROL, tmp); } /* Update configuration */ WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->gmc.vram_start >> 12); WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, adev->gmc.vram_end >> 12); WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, adev->vram_scratch.gpu_addr >> 12); WREG32(mmMC_VM_AGP_BASE, 0); WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); if (gmc_v6_0_wait_for_idle((void *)adev)) { dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } } static int gmc_v6_0_mc_init(struct amdgpu_device *adev) { u32 tmp; int chansize, numchan; int r; tmp = RREG32(mmMC_ARB_RAMCFG); if (tmp & (1 << 11)) { chansize = 16; } else if (tmp & MC_ARB_RAMCFG__CHANSIZE_MASK) { chansize = 64; } else { chansize = 32; } tmp = RREG32(mmMC_SHARED_CHMAP); switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) { case 0: default: numchan = 1; break; case 1: numchan = 2; break; case 2: numchan = 4; break; case 3: numchan = 8; break; case 4: numchan = 3; break; case 5: numchan = 6; break; case 6: numchan = 10; break; case 7: numchan = 12; break; case 8: numchan = 16; break; } adev->gmc.vram_width = numchan * chansize; /* size in MB on si */ adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; if (!(adev->flags & AMD_IS_APU)) { r = amdgpu_device_resize_fb_bar(adev); if (r) return r; } adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); adev->gmc.visible_vram_size = adev->gmc.aper_size; /* set the gart size */ if (amdgpu_gart_size == -1) { switch (adev->asic_type) { case CHIP_HAINAN: /* no MM engines */ default: adev->gmc.gart_size = 256ULL << 20; break; case CHIP_VERDE: /* UVD, VCE do not support GPUVM */ case CHIP_TAHITI: /* UVD, VCE do not support GPUVM */ case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */ case CHIP_OLAND: /* UVD, VCE do not support GPUVM */ adev->gmc.gart_size = 1024ULL << 20; break; } } else { adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; } gmc_v6_0_vram_gtt_location(adev, &adev->gmc); return 0; } static void gmc_v6_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, uint32_t vmhub, uint32_t flush_type) { WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } static uint64_t gmc_v6_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, unsigned vmid, uint64_t pd_addr) { uint32_t reg; /* write new base address */ if (vmid < 8) reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid; else reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (vmid - 8); amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); /* bits 0-15 are the VM contexts0-15 */ amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); return pd_addr; } static void gmc_v6_0_get_vm_pde(struct amdgpu_device *adev, int level, uint64_t *addr, uint64_t *flags) { BUG_ON(*addr & 0xFFFFFF0000000FFFULL); } static void gmc_v6_0_get_vm_pte(struct amdgpu_device *adev, struct amdgpu_bo_va_mapping *mapping, uint64_t *flags) { *flags &= ~AMDGPU_PTE_EXECUTABLE; *flags &= ~AMDGPU_PTE_PRT; } static void gmc_v6_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); WREG32(mmVM_CONTEXT1_CNTL, tmp); } /** + * gmc_v8_0_set_prt - set PRT VM fault + * + * @adev: amdgpu_device pointer + * @enable: enable/disable VM fault handling for PRT +*/ static void gmc_v6_0_set_prt(struct amdgpu_device *adev, bool enable) { u32 tmp; if (enable && !adev->gmc.prt_warning) { dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n"); adev->gmc.prt_warning = true; } tmp = RREG32(mmVM_PRT_CNTL); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, CB_DISABLE_FAULT_ON_UNMAPPED_ACCESS, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, TC_DISABLE_FAULT_ON_UNMAPPED_ACCESS, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, L2_CACHE_STORE_INVALID_ENTRIES, enable); tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, L1_TLB_STORE_INVALID_ENTRIES, enable); WREG32(mmVM_PRT_CNTL, tmp); if (enable) { uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT; uint32_t high = adev->vm_manager.max_pfn - (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT); WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low); WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high); WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high); WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high); WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high); } else { WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff); WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0); WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0); WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0); WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0); } } static int gmc_v6_0_gart_enable(struct amdgpu_device *adev) { uint64_t table_addr; int r, i; u32 field; if (adev->gart.bo == NULL) { dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); return -EINVAL; } r = amdgpu_gart_table_vram_pin(adev); if (r) return r; table_addr = amdgpu_bo_gpu_offset(adev->gart.bo); /* Setup TLB control */ WREG32(mmMC_VM_MX_L1_TLB_CNTL, (0xA << 7) | MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_TLB_MASK | MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_FRAGMENT_PROCESSING_MASK | MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK | MC_VM_MX_L1_TLB_CNTL__ENABLE_ADVANCED_DRIVER_MODEL_MASK | (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT)); /* Setup L2 cache */ WREG32(mmVM_L2_CNTL, VM_L2_CNTL__ENABLE_L2_CACHE_MASK | VM_L2_CNTL__ENABLE_L2_FRAGMENT_PROCESSING_MASK | VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK | VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK | (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) | (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT)); WREG32(mmVM_L2_CNTL2, VM_L2_CNTL2__INVALIDATE_ALL_L1_TLBS_MASK | VM_L2_CNTL2__INVALIDATE_L2_CACHE_MASK); field = adev->vm_manager.fragment_size; WREG32(mmVM_L2_CNTL3, VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK | (field << VM_L2_CNTL3__BANK_SELECT__SHIFT) | (field << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT)); /* setup context0 */ WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT0_CNTL2, 0); WREG32(mmVM_CONTEXT0_CNTL, VM_CONTEXT0_CNTL__ENABLE_CONTEXT_MASK | (0UL << VM_CONTEXT0_CNTL__PAGE_TABLE_DEPTH__SHIFT) | VM_CONTEXT0_CNTL__RANGE_PROTECTION_FAULT_ENABLE_DEFAULT_MASK); WREG32(0x575, 0); WREG32(0x576, 0); WREG32(0x577, 0); /* empty context1-15 */ /* set vm size, must be a multiple of 4 */ WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); /* Assign the pt base to something valid for now; the pts used for * the VMs are determined by the application and setup and assigned * on the fly in the vm part of radeon_gart.c */ for (i = 1; i < 16; i++) { if (i < 8) WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, table_addr >> 12); else WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, table_addr >> 12); } /* enable context1-15 */ WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page_addr >> 12)); WREG32(mmVM_CONTEXT1_CNTL2, 4); WREG32(mmVM_CONTEXT1_CNTL, VM_CONTEXT1_CNTL__ENABLE_CONTEXT_MASK | (1UL << VM_CONTEXT1_CNTL__PAGE_TABLE_DEPTH__SHIFT) | ((adev->vm_manager.block_size - 9) << VM_CONTEXT1_CNTL__PAGE_TABLE_BLOCK_SIZE__SHIFT)); if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) gmc_v6_0_set_fault_enable_default(adev, false); else gmc_v6_0_set_fault_enable_default(adev, true); gmc_v6_0_flush_gpu_tlb(adev, 0, 0, 0); dev_info(adev->dev, "PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(adev->gmc.gart_size >> 20), (unsigned long long)table_addr); adev->gart.ready = true; return 0; } static int gmc_v6_0_gart_init(struct amdgpu_device *adev) { int r; if (adev->gart.bo) { dev_warn(adev->dev, "gmc_v6_0 PCIE GART already initialized\n"); return 0; } r = amdgpu_gart_init(adev); if (r) return r; adev->gart.table_size = adev->gart.num_gpu_pages * 8; adev->gart.gart_pte_flags = 0; return amdgpu_gart_table_vram_alloc(adev); } static void gmc_v6_0_gart_disable(struct amdgpu_device *adev) { /*unsigned i; for (i = 1; i < 16; ++i) { uint32_t reg; if (i < 8) reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i ; else reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (i - 8); adev->vm_manager.saved_table_addr[i] = RREG32(reg); }*/ /* Disable all tables */ WREG32(mmVM_CONTEXT0_CNTL, 0); WREG32(mmVM_CONTEXT1_CNTL, 0); /* Setup TLB control */ WREG32(mmMC_VM_MX_L1_TLB_CNTL, MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK | (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT)); /* Setup L2 cache */ WREG32(mmVM_L2_CNTL, VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK | VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK | (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) | (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT)); WREG32(mmVM_L2_CNTL2, 0); WREG32(mmVM_L2_CNTL3, VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK | (0UL << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT)); amdgpu_gart_table_vram_unpin(adev); } static void gmc_v6_0_vm_decode_fault(struct amdgpu_device *adev, u32 status, u32 addr, u32 mc_client) { u32 mc_id; u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, PROTECTIONS); char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_ID); dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", protections, vmid, addr, REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_RW) ? "write" : "read", block, mc_client, mc_id); } /* static const u32 mc_cg_registers[] = { MC_HUB_MISC_HUB_CG, MC_HUB_MISC_SIP_CG, MC_HUB_MISC_VM_CG, MC_XPB_CLK_GAT, ATC_MISC_CG, MC_CITF_MISC_WR_CG, MC_CITF_MISC_RD_CG, MC_CITF_MISC_VM_CG, VM_L2_CG, }; static const u32 mc_cg_ls_en[] = { MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK, MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK, MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK, MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK, ATC_MISC_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK, VM_L2_CG__MEM_LS_ENABLE_MASK, }; static const u32 mc_cg_en[] = { MC_HUB_MISC_HUB_CG__ENABLE_MASK, MC_HUB_MISC_SIP_CG__ENABLE_MASK, MC_HUB_MISC_VM_CG__ENABLE_MASK, MC_XPB_CLK_GAT__ENABLE_MASK, ATC_MISC_CG__ENABLE_MASK, MC_CITF_MISC_WR_CG__ENABLE_MASK, MC_CITF_MISC_RD_CG__ENABLE_MASK, MC_CITF_MISC_VM_CG__ENABLE_MASK, VM_L2_CG__ENABLE_MASK, }; static void gmc_v6_0_enable_mc_ls(struct amdgpu_device *adev, bool enable) { int i; u32 orig, data; for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS)) data |= mc_cg_ls_en[i]; else data &= ~mc_cg_ls_en[i]; if (data != orig) WREG32(mc_cg_registers[i], data); } } static void gmc_v6_0_enable_mc_mgcg(struct amdgpu_device *adev, bool enable) { int i; u32 orig, data; for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG)) data |= mc_cg_en[i]; else data &= ~mc_cg_en[i]; if (data != orig) WREG32(mc_cg_registers[i], data); } } static void gmc_v6_0_enable_bif_mgls(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32_PCIE(ixPCIE_CNTL2); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1); } else { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0); } if (orig != data) WREG32_PCIE(ixPCIE_CNTL2, data); } static void gmc_v6_0_enable_hdp_mgcg(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32(mmHDP_HOST_PATH_CNTL); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG)) data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0); else data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1); if (orig != data) WREG32(mmHDP_HOST_PATH_CNTL, data); } static void gmc_v6_0_enable_hdp_ls(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32(mmHDP_MEM_POWER_LS); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS)) data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1); else data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0); if (orig != data) WREG32(mmHDP_MEM_POWER_LS, data); } */ static int gmc_v6_0_convert_vram_type(int mc_seq_vram_type) { switch (mc_seq_vram_type) { case MC_SEQ_MISC0__MT__GDDR1: return AMDGPU_VRAM_TYPE_GDDR1; case MC_SEQ_MISC0__MT__DDR2: return AMDGPU_VRAM_TYPE_DDR2; case MC_SEQ_MISC0__MT__GDDR3: return AMDGPU_VRAM_TYPE_GDDR3; case MC_SEQ_MISC0__MT__GDDR4: return AMDGPU_VRAM_TYPE_GDDR4; case MC_SEQ_MISC0__MT__GDDR5: return AMDGPU_VRAM_TYPE_GDDR5; case MC_SEQ_MISC0__MT__DDR3: return AMDGPU_VRAM_TYPE_DDR3; default: return AMDGPU_VRAM_TYPE_UNKNOWN; } } static int gmc_v6_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v6_0_set_gmc_funcs(adev); gmc_v6_0_set_irq_funcs(adev); return 0; } static int gmc_v6_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_bo_late_init(adev); if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); else return 0; } static unsigned gmc_v6_0_get_vbios_fb_size(struct amdgpu_device *adev) { u32 d1vga_control = RREG32(mmD1VGA_CONTROL); unsigned size; if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ } else { u32 viewport = RREG32(mmVIEWPORT_SIZE); size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * 4); } /* return 0 if the pre-OS buffer uses up most of vram */ if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) return 0; return size; } static int gmc_v6_0_sw_init(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; adev->num_vmhubs = 1; if (adev->flags & AMD_IS_APU) { adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; } else { u32 tmp = RREG32(mmMC_SEQ_MISC0); tmp &= MC_SEQ_MISC0__MT__MASK; adev->gmc.vram_type = gmc_v6_0_convert_vram_type(tmp); } r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 146, &adev->gmc.vm_fault); if (r) return r; r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 147, &adev->gmc.vm_fault); if (r) return r; amdgpu_vm_adjust_size(adev, 64, 9, 1, 40); adev->gmc.mc_mask = 0xffffffffffULL; r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); if (r) { dev_warn(adev->dev, "No suitable DMA available.\n"); return r; } adev->need_swiotlb = drm_need_swiotlb(44); r = gmc_v6_0_init_microcode(adev); if (r) { dev_err(adev->dev, "Failed to load mc firmware!\n"); return r; } r = gmc_v6_0_mc_init(adev); if (r) return r; adev->gmc.stolen_size = gmc_v6_0_get_vbios_fb_size(adev); r = amdgpu_bo_init(adev); if (r) return r; r = gmc_v6_0_gart_init(adev); if (r) return r; /* * number of VMs * VMID 0 is reserved for System * amdgpu graphics/compute will use VMIDs 1-7 * amdkfd will use VMIDs 8-15 */ adev->vm_manager.first_kfd_vmid = 8; amdgpu_vm_manager_init(adev); /* base offset of vram pages */ if (adev->flags & AMD_IS_APU) { u64 tmp = RREG32(mmMC_VM_FB_OFFSET); tmp <<= 22; adev->vm_manager.vram_base_offset = tmp; } else { adev->vm_manager.vram_base_offset = 0; } return 0; } static int gmc_v6_0_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_gem_force_release(adev); amdgpu_vm_manager_fini(adev); amdgpu_gart_table_vram_free(adev); amdgpu_bo_fini(adev); amdgpu_gart_fini(adev); release_firmware(adev->gmc.fw); adev->gmc.fw = NULL; return 0; } static int gmc_v6_0_hw_init(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v6_0_mc_program(adev); if (!(adev->flags & AMD_IS_APU)) { r = gmc_v6_0_mc_load_microcode(adev); if (r) { dev_err(adev->dev, "Failed to load MC firmware!\n"); return r; } } r = gmc_v6_0_gart_enable(adev); if (r) return r; return r; } static int gmc_v6_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); gmc_v6_0_gart_disable(adev); return 0; } static int gmc_v6_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v6_0_hw_fini(adev); return 0; } static int gmc_v6_0_resume(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; r = gmc_v6_0_hw_init(adev); if (r) return r; amdgpu_vmid_reset_all(adev); return 0; } static bool gmc_v6_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) return false; return true; } static int gmc_v6_0_wait_for_idle(void *handle) { unsigned i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; for (i = 0; i < adev->usec_timeout; i++) { if (gmc_v6_0_is_idle(handle)) return 0; udelay(1); } return -ETIMEDOUT; } static int gmc_v6_0_soft_reset(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 srbm_soft_reset = 0; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & SRBM_STATUS__VMC_BUSY_MASK) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { if (!(adev->flags & AMD_IS_APU)) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); } if (srbm_soft_reset) { gmc_v6_0_mc_stop(adev); if (gmc_v6_0_wait_for_idle(adev)) { dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); } tmp = RREG32(mmSRBM_SOFT_RESET); tmp |= srbm_soft_reset; dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); WREG32(mmSRBM_SOFT_RESET, tmp); tmp = RREG32(mmSRBM_SOFT_RESET); udelay(50); tmp &= ~srbm_soft_reset; WREG32(mmSRBM_SOFT_RESET, tmp); tmp = RREG32(mmSRBM_SOFT_RESET); udelay(50); gmc_v6_0_mc_resume(adev); udelay(50); } return 0; } static int gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type, enum amdgpu_interrupt_state state) { u32 tmp; u32 bits = (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); switch (state) { case AMDGPU_IRQ_STATE_DISABLE: tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp &= ~bits; WREG32(mmVM_CONTEXT0_CNTL, tmp); tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp &= ~bits; WREG32(mmVM_CONTEXT1_CNTL, tmp); break; case AMDGPU_IRQ_STATE_ENABLE: tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp |= bits; WREG32(mmVM_CONTEXT0_CNTL, tmp); tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp |= bits; WREG32(mmVM_CONTEXT1_CNTL, tmp); break; default: break; } return 0; } static int gmc_v6_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { u32 addr, status; addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); if (!addr && !status) return 0; if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v6_0_set_fault_enable_default(adev, false); if (printk_ratelimit()) { dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", entry->src_id, entry->src_data[0]); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", addr); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); gmc_v6_0_vm_decode_fault(adev, status, addr, 0); } return 0; } static int gmc_v6_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { return 0; } static int gmc_v6_0_set_powergating_state(void *handle, enum amd_powergating_state state) { return 0; } static const struct amd_ip_funcs gmc_v6_0_ip_funcs = { .name = "gmc_v6_0", .early_init = gmc_v6_0_early_init, .late_init = gmc_v6_0_late_init, .sw_init = gmc_v6_0_sw_init, .sw_fini = gmc_v6_0_sw_fini, .hw_init = gmc_v6_0_hw_init, .hw_fini = gmc_v6_0_hw_fini, .suspend = gmc_v6_0_suspend, .resume = gmc_v6_0_resume, .is_idle = gmc_v6_0_is_idle, .wait_for_idle = gmc_v6_0_wait_for_idle, .soft_reset = gmc_v6_0_soft_reset, .set_clockgating_state = gmc_v6_0_set_clockgating_state, .set_powergating_state = gmc_v6_0_set_powergating_state, }; static const struct amdgpu_gmc_funcs gmc_v6_0_gmc_funcs = { .flush_gpu_tlb = gmc_v6_0_flush_gpu_tlb, .emit_flush_gpu_tlb = gmc_v6_0_emit_flush_gpu_tlb, .set_prt = gmc_v6_0_set_prt, .get_vm_pde = gmc_v6_0_get_vm_pde, .get_vm_pte = gmc_v6_0_get_vm_pte, }; static const struct amdgpu_irq_src_funcs gmc_v6_0_irq_funcs = { .set = gmc_v6_0_vm_fault_interrupt_state, .process = gmc_v6_0_process_interrupt, }; static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev) { adev->gmc.gmc_funcs = &gmc_v6_0_gmc_funcs; } static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev) { adev->gmc.vm_fault.num_types = 1; adev->gmc.vm_fault.funcs = &gmc_v6_0_irq_funcs; } const struct amdgpu_ip_block_version gmc_v6_0_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 6, .minor = 0, .rev = 0, .funcs = &gmc_v6_0_ip_funcs, };