Staging
v0.8.1
v0.8.1
mmhub_v1_8.c
/*
* Copyright 2022 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_8.h"
#include "mmhub/mmhub_1_8_0_offset.h"
#include "mmhub/mmhub_1_8_0_sh_mask.h"
#include "vega10_enum.h"
#include "soc15_common.h"
#include "soc15.h"
#define regVM_L2_CNTL3_DEFAULT 0x80100007
#define regVM_L2_CNTL4_DEFAULT 0x000000c1
static u64 mmhub_v1_8_get_fb_location(struct amdgpu_device *adev)
{
u64 base = RREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE);
u64 top = RREG32_SOC15(MMHUB, 0, regMC_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_8_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, regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
hub->ctx_addr_distance * vmid, lower_32_bits(page_table_base));
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
hub->ctx_addr_distance * vmid, upper_32_bits(page_table_base));
}
static void mmhub_v1_8_init_gart_aperture_regs(struct amdgpu_device *adev)
{
uint64_t pt_base;
if (adev->gmc.pdb0_bo)
pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
else
pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
mmhub_v1_8_setup_vm_pt_regs(adev, 0, pt_base);
/* If use GART for FB translation, vmid0 page table covers both
* vram and system memory (gart)
*/
if (adev->gmc.pdb0_bo) {
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
(u32)(adev->gmc.fb_start >> 12));
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
(u32)(adev->gmc.fb_start >> 44));
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
(u32)(adev->gmc.gart_end >> 12));
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
(u32)(adev->gmc.gart_end >> 44));
} else {
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
(u32)(adev->gmc.gart_start >> 12));
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
(u32)(adev->gmc.gart_start >> 44));
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
(u32)(adev->gmc.gart_end >> 12));
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
(u32)(adev->gmc.gart_end >> 44));
}
}
static void mmhub_v1_8_init_system_aperture_regs(struct amdgpu_device *adev)
{
uint64_t value;
uint32_t tmp;
/* Program the AGP BAR */
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BASE, 0);
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
/* Program the system aperture low logical page number. */
WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
/* In the case squeezing vram into GART aperture, we don't use
* FB aperture and AGP aperture. Disable them.
*/
if (adev->gmc.pdb0_bo) {
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, 0xFFFFFF);
WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, 0);
WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, 0);
WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
}
if (amdgpu_sriov_vf(adev))
return;
/* Set default page address. */
value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
(u32)(value >> 12));
WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
(u32)(value >> 44));
/* Program "protection fault". */
WREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
(u32)(adev->dummy_page_addr >> 12));
WREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
(u32)((u64)adev->dummy_page_addr >> 44));
tmp = RREG32_SOC15(MMHUB, 0, regVM_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, regVM_L2_PROTECTION_FAULT_CNTL2, tmp);
}
static void mmhub_v1_8_init_tlb_regs(struct amdgpu_device *adev)
{
uint32_t tmp;
/* Setup TLB control */
tmp = RREG32_SOC15(MMHUB, 0, regMC_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, regMC_VM_MX_L1_TLB_CNTL, tmp);
}
static void mmhub_v1_8_init_cache_regs(struct amdgpu_device *adev)
{
uint32_t tmp;
if (amdgpu_sriov_vf(adev))
return;
/* Setup L2 cache */
tmp = RREG32_SOC15(MMHUB, 0, regVM_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, regVM_L2_CNTL, tmp);
tmp = RREG32_SOC15(MMHUB, 0, regVM_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, regVM_L2_CNTL2, tmp);
tmp = regVM_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, regVM_L2_CNTL3, tmp);
tmp = regVM_L2_CNTL4_DEFAULT;
if (adev->gmc.xgmi.connected_to_cpu) {
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4,
VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4,
VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
} else {
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, regVM_L2_CNTL4, tmp);
}
static void mmhub_v1_8_enable_system_domain(struct amdgpu_device *adev)
{
uint32_t tmp;
tmp = RREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_CNTL);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH,
adev->gmc.vmid0_page_table_depth);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
adev->gmc.vmid0_page_table_block_size);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_CNTL, tmp);
}
static void mmhub_v1_8_disable_identity_aperture(struct amdgpu_device *adev)
{
if (amdgpu_sriov_vf(adev))
return;
WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 0xFFFFFFFF);
WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 0x0000000F);
WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
}
static void mmhub_v1_8_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, regVM_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);
/* On Aldebaran, XNACK can be enabled in the SQ per-process.
* Retry faults need to be enabled for that to work.
*/
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
1);
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_CNTL,
i * hub->ctx_distance, tmp);
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
i * hub->ctx_addr_distance, 0);
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
i * hub->ctx_addr_distance, 0);
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_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, regVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
i * hub->ctx_addr_distance,
upper_32_bits(adev->vm_manager.max_pfn - 1));
}
}
static void mmhub_v1_8_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, regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
i * hub->eng_addr_distance, 0xffffffff);
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
i * hub->eng_addr_distance, 0x1f);
}
}
static int mmhub_v1_8_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, regMC_VM_FB_LOCATION_BASE,
adev->gmc.vram_start >> 24);
WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP,
adev->gmc.vram_end >> 24);
}
/* GART Enable. */
mmhub_v1_8_init_gart_aperture_regs(adev);
mmhub_v1_8_init_system_aperture_regs(adev);
mmhub_v1_8_init_tlb_regs(adev);
mmhub_v1_8_init_cache_regs(adev);
mmhub_v1_8_enable_system_domain(adev);
mmhub_v1_8_disable_identity_aperture(adev);
mmhub_v1_8_setup_vmid_config(adev);
mmhub_v1_8_program_invalidation(adev);
return 0;
}
static void mmhub_v1_8_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 < 16; i++)
WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_CNTL,
i * hub->ctx_distance, 0);
/* Setup TLB control */
tmp = RREG32_SOC15(MMHUB, 0, regMC_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, regMC_VM_MX_L1_TLB_CNTL, tmp);
if (!amdgpu_sriov_vf(adev)) {
/* Setup L2 cache */
tmp = RREG32_SOC15(MMHUB, 0, regVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL, tmp);
WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL3, 0);
}
}
/**
* mmhub_v1_8_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_8_set_fault_enable_default(struct amdgpu_device *adev, bool value)
{
u32 tmp;
if (amdgpu_sriov_vf(adev))
return;
tmp = RREG32_SOC15(MMHUB, 0, regVM_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, regVM_L2_PROTECTION_FAULT_CNTL, tmp);
}
static void mmhub_v1_8_init(struct amdgpu_device *adev)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
hub->ctx0_ptb_addr_lo32 =
SOC15_REG_OFFSET(MMHUB, 0,
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(MMHUB, 0,
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
SOC15_REG_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ACK);
hub->vm_context0_cntl =
SOC15_REG_OFFSET(MMHUB, 0, regVM_CONTEXT0_CNTL);
hub->vm_l2_pro_fault_status =
SOC15_REG_OFFSET(MMHUB, 0, regVM_L2_PROTECTION_FAULT_STATUS);
hub->vm_l2_pro_fault_cntl =
SOC15_REG_OFFSET(MMHUB, 0, regVM_L2_PROTECTION_FAULT_CNTL);
hub->ctx_distance = regVM_CONTEXT1_CNTL - regVM_CONTEXT0_CNTL;
hub->ctx_addr_distance = regVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
hub->eng_distance = regVM_INVALIDATE_ENG1_REQ - regVM_INVALIDATE_ENG0_REQ;
hub->eng_addr_distance = regVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
}
static int mmhub_v1_8_set_clockgating(struct amdgpu_device *adev,
enum amd_clockgating_state state)
{
return 0;
}
static void mmhub_v1_8_get_clockgating(struct amdgpu_device *adev, u64 *flags)
{
}
const struct amdgpu_mmhub_funcs mmhub_v1_8_funcs = {
.get_fb_location = mmhub_v1_8_get_fb_location,
.init = mmhub_v1_8_init,
.gart_enable = mmhub_v1_8_gart_enable,
.set_fault_enable_default = mmhub_v1_8_set_fault_enable_default,
.gart_disable = mmhub_v1_8_gart_disable,
.setup_vm_pt_regs = mmhub_v1_8_setup_vm_pt_regs,
.set_clockgating = mmhub_v1_8_set_clockgating,
.get_clockgating = mmhub_v1_8_get_clockgating,
};
