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OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

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/*
* 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 "vega10/soc15ip.h"
#include "vega10/MMHUB/mmhub_1_0_offset.h"
#include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
#include "vega10/MMHUB/mmhub_1_0_default.h"
#include "vega10/ATHUB/athub_1_0_offset.h"
#include "vega10/ATHUB/athub_1_0_sh_mask.h"
#include "vega10/ATHUB/athub_1_0_default.h"
#include "vega10/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->mc.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->mc.gart_start >> 12));
WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
(u32)(adev->mc.gart_start >> 44));
WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
(u32)(adev->mc.gart_end >> 12));
WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
(u32)(adev->mc.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->mc.vram_start >> 18);
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
adev->mc.vram_end >> 18);
/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->mc.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);
tmp = mmVM_L2_CNTL3_DEFAULT;
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)
{
int i;
uint32_t tmp;
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, adev->vm_manager.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,
adev->vm_manager.block_size - 9);
/* 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, 0x34a6c0},
{0x61, 0x83a707},
{0xe6, 0x8a7a4},
{0xf0, 0x1a7b8},
{0xf3, 0xfa7cc},
{0x104, 0x17a7dd},
{0x11d, 0xa7dc},
{0x11f, 0x12a7f5},
{0x133, 0xa808},
{0x135, 0x12a810},
{0x149, 0x7a82c}
};
#define PCTL0_DATA_LEN (ARRAY_SIZE(pctl0_data))
#define PCTL0_RENG_EXEC_END_PTR 0x151
#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_misc = RREG32_SOC15(MMHUB, 0, mmPCTL0_MISC);
pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
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 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);
}
/* 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);
/* 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);
}
/* 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);
mmhub_v1_0_power_gating_write_save_ranges(adev);
/* Re-enable light sleep */
pctl0_misc |= PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
pctl1_misc |= PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
}
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);
} 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->mc.vram_start >> 24);
WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP,
adev->mc.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);
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_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;
}
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