/*
* 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 "amdgpu_ras.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 "vega10_enum.h"
#include "soc15.h"
#include "soc15_common.h"
#define mmDAGB0_CNTL_MISC2_RV 0x008f
#define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0
static u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
{
u64 base = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE);
u64 top = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP);
base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
base <<= 24;
top &= MC_VM_FB_LOCATION_TOP__FB_TOP_MASK;
top <<= 24;
adev->gmc.fb_start = base;
adev->gmc.fb_end = top;
return base;
}
static void mmhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
uint64_t page_table_base)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
hub->ctx_addr_distance * vmid,
lower_32_bits(page_table_base));
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
hub->ctx_addr_distance * vmid,
upper_32_bits(page_table_base));
}
static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
{
uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
mmhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
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;
/* Program the AGP BAR */
WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BASE, 0);
WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
/* Program the system aperture low logical page number. */
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
if (adev->apu_flags & AMD_APU_IS_RAVEN2)
/*
* Raven2 has a HW issue that it is unable to use the vram which
* is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
* workaround that increase system aperture high address (add 1)
* to get rid of the VM fault and hardware hang.
*/
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max((adev->gmc.fb_end >> 18) + 0x1,
adev->gmc.agp_end >> 18));
else
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
if (amdgpu_sriov_vf(adev))
return;
/* Set default page address. */
value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
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,
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;
if (amdgpu_sriov_vf(adev))
return;
/* 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, 0);
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);
tmp = mmVM_L2_CNTL3_DEFAULT;
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);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
}
static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
{
if (amdgpu_sriov_vf(adev))
return;
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)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
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,
!adev->gmc.noretry);
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL,
i * hub->ctx_distance, tmp);
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
i * hub->ctx_addr_distance, 0);
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
i * hub->ctx_addr_distance, 0);
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_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, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
i * hub->ctx_addr_distance,
upper_32_bits(adev->vm_manager.max_pfn - 1));
}
}
static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
unsigned i;
for (i = 0; i < 18; ++i) {
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
i * hub->eng_addr_distance, 0xffffffff);
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
i * hub->eng_addr_distance, 0x1f);
}
}
static void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
bool enable)
{
if (amdgpu_sriov_vf(adev))
return;
if (adev->pg_flags & AMD_PG_SUPPORT_MMHUB)
amdgpu_dpm_set_powergating_by_smu(adev,
AMD_IP_BLOCK_TYPE_GMC,
enable);
}
static 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;
}
static void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
u32 tmp;
u32 i;
/* Disable all tables */
for (i = 0; i < AMDGPU_NUM_VMID; i++)
WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL,
i * hub->ctx_distance, 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);
if (!amdgpu_sriov_vf(adev)) {
/* 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
*/
static void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
{
u32 tmp;
if (amdgpu_sriov_vf(adev))
return;
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);
}
static void mmhub_v1_0_init(struct amdgpu_device *adev)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
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_sem =
SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_SEM);
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);
hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
}
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 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 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:
case CHIP_RENOIR:
mmhub_v1_0_update_medium_grain_clock_gating(adev,
state == AMD_CG_STATE_GATE);
mmhub_v1_0_update_medium_grain_light_sleep(adev,
state == AMD_CG_STATE_GATE);
break;
default:
break;
}
return 0;
}
static void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
{
int data, data1;
if (amdgpu_sriov_vf(adev))
*flags = 0;
data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
/* AMD_CG_SUPPORT_MC_MGCG */
if ((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)))
*flags |= AMD_CG_SUPPORT_MC_MGCG;
/* AMD_CG_SUPPORT_MC_LS */
if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_MC_LS;
}
static const struct soc15_ras_field_entry mmhub_v1_0_ras_fields[] = {
{ "MMEA0_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
},
{ "MMEA0_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
},
{ "MMEA0_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
},
{ "MMEA0_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
},
{ "MMEA0_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
},
{ "MMEA0_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA0_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA0_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
0, 0,
},
{ "MMEA0_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
0, 0,
},
{ "MMEA0_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
0, 0,
},
{ "MMEA0_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
},
{ "MMEA0_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
},
{ "MMEA0_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
},
{ "MMEA0_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA0_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
},
{ "MMEA1_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
},
{ "MMEA1_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
},
{ "MMEA1_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
},
{ "MMEA1_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
},
{ "MMEA1_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
},
{ "MMEA1_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
},
{ "MMEA1_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
},
{ "MMEA1_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
0, 0,
},
{ "MMEA1_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
0, 0,
}
};
static const struct soc15_reg_entry mmhub_v1_0_edc_cnt_regs[] = {
{ SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20), 0, 0, 0},
{ SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20), 0, 0, 0},
{ SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20), 0, 0, 0},
{ SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20), 0, 0, 0},
};
static int mmhub_v1_0_get_ras_error_count(struct amdgpu_device *adev,
const struct soc15_reg_entry *reg,
uint32_t value, uint32_t *sec_count, uint32_t *ded_count)
{
uint32_t i;
uint32_t sec_cnt, ded_cnt;
for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_ras_fields); i++) {
if (mmhub_v1_0_ras_fields[i].reg_offset != reg->reg_offset)
continue;
sec_cnt = (value &
mmhub_v1_0_ras_fields[i].sec_count_mask) >>
mmhub_v1_0_ras_fields[i].sec_count_shift;
if (sec_cnt) {
dev_info(adev->dev,
"MMHUB SubBlock %s, SEC %d\n",
mmhub_v1_0_ras_fields[i].name,
sec_cnt);
*sec_count += sec_cnt;
}
ded_cnt = (value &
mmhub_v1_0_ras_fields[i].ded_count_mask) >>
mmhub_v1_0_ras_fields[i].ded_count_shift;
if (ded_cnt) {
dev_info(adev->dev,
"MMHUB SubBlock %s, DED %d\n",
mmhub_v1_0_ras_fields[i].name,
ded_cnt);
*ded_count += ded_cnt;
}
}
return 0;
}
static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
void *ras_error_status)
{
struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
uint32_t sec_count = 0, ded_count = 0;
uint32_t i;
uint32_t reg_value;
err_data->ue_count = 0;
err_data->ce_count = 0;
for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++) {
reg_value =
RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
if (reg_value)
mmhub_v1_0_get_ras_error_count(adev,
&mmhub_v1_0_edc_cnt_regs[i],
reg_value, &sec_count, &ded_count);
}
err_data->ce_count += sec_count;
err_data->ue_count += ded_count;
}
static void mmhub_v1_0_reset_ras_error_count(struct amdgpu_device *adev)
{
uint32_t i;
/* read back edc counter registers to reset the counters to 0 */
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB)) {
for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++)
RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
}
}
struct amdgpu_ras_block_hw_ops mmhub_v1_0_ras_hw_ops = {
.query_ras_error_count = mmhub_v1_0_query_ras_error_count,
.reset_ras_error_count = mmhub_v1_0_reset_ras_error_count,
};
struct amdgpu_mmhub_ras mmhub_v1_0_ras = {
.ras_block = {
.hw_ops = &mmhub_v1_0_ras_hw_ops,
},
};
const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs = {
.get_fb_location = mmhub_v1_0_get_fb_location,
.init = mmhub_v1_0_init,
.gart_enable = mmhub_v1_0_gart_enable,
.set_fault_enable_default = mmhub_v1_0_set_fault_enable_default,
.gart_disable = mmhub_v1_0_gart_disable,
.set_clockgating = mmhub_v1_0_set_clockgating,
.get_clockgating = mmhub_v1_0_get_clockgating,
.setup_vm_pt_regs = mmhub_v1_0_setup_vm_pt_regs,
.update_power_gating = mmhub_v1_0_update_power_gating,
};
