OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c

426 lines
13 KiB
C

/*
* Copyright 2016 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "amdgpu.h"
#include "gfxhub_v1_0.h"
#include "vega10/soc15ip.h"
#include "vega10/GC/gc_9_0_offset.h"
#include "vega10/GC/gc_9_0_sh_mask.h"
#include "vega10/GC/gc_9_0_default.h"
#include "vega10/vega10_enum.h"
#include "soc15_common.h"
int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
u64 value;
u32 i;
/* Program MC. */
/* Update configuration */
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
adev->mc.vram_start >> 18);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
adev->mc.vram_end >> 18);
value = adev->vram_scratch.gpu_addr - adev->mc.vram_start
+ adev->vm_manager.vram_base_offset;
WREG32(SOC15_REG_OFFSET(GC, 0,
mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
(u32)(value >> 12));
WREG32(SOC15_REG_OFFSET(GC, 0,
mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
(u32)(value >> 44));
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_REG_OFFSET(GC, 0, mmMC_VM_FB_LOCATION_BASE),
adev->mc.vram_start >> 24);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_FB_LOCATION_TOP),
adev->mc.vram_end >> 24);
}
/* Disable AGP. */
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BASE), 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_TOP), 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BOT), 0xFFFFFFFF);
/* GART Enable. */
/* Setup TLB control */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL));
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
SYSTEM_ACCESS_MODE,
3);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL,
1);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
SYSTEM_APERTURE_UNMAPPED_ACCESS,
0);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ECO_BITS,
0);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
MTYPE,
MTYPE_UC);/* XXX for emulation. */
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ATC_EN,
1);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
/* Setup L2 cache */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL));
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
tmp = REG_SET_FIELD(tmp,
VM_L2_CNTL,
ENABLE_L2_FRAGMENT_PROCESSING,
0);
tmp = REG_SET_FIELD(tmp,
VM_L2_CNTL,
L2_PDE0_CACHE_TAG_GENERATION_MODE,
0);/* XXX for emulation, Refer to closed source code.*/
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
tmp = REG_SET_FIELD(tmp,
VM_L2_CNTL,
CONTEXT1_IDENTITY_ACCESS_MODE,
1);
tmp = REG_SET_FIELD(tmp,
VM_L2_CNTL,
IDENTITY_MODE_FRAGMENT_SIZE,
0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp);
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL2));
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL2), tmp);
tmp = mmVM_L2_CNTL3_DEFAULT;
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL3), tmp);
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL4));
tmp = REG_SET_FIELD(tmp,
VM_L2_CNTL4,
VMC_TAP_PDE_REQUEST_PHYSICAL,
0);
tmp = REG_SET_FIELD(tmp,
VM_L2_CNTL4,
VMC_TAP_PTE_REQUEST_PHYSICAL,
0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL4), tmp);
/* setup context0 */
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
(u32)(adev->mc.gtt_start >> 12));
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
(u32)(adev->mc.gtt_start >> 44));
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
(u32)(adev->mc.gtt_end >> 12));
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
(u32)(adev->mc.gtt_end >> 44));
BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
value = adev->gart.table_addr - adev->mc.vram_start
+ adev->vm_manager.vram_base_offset;
value &= 0x0000FFFFFFFFF000ULL;
value |= 0x1; /*valid bit*/
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
(u32)value);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
(u32)(value >> 32));
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
(u32)(adev->dummy_page.addr >> 12));
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
(u32)((u64)adev->dummy_page.addr >> 44));
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2));
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
1);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL));
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL), tmp);
/* Disable identity aperture.*/
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
for (i = 0; i <= 14; i++) {
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL) + i);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
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);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL) + i, tmp);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
lower_32_bits(adev->vm_manager.max_pfn - 1));
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2,
upper_32_bits(adev->vm_manager.max_pfn - 1));
}
return 0;
}
void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
{
u32 tmp;
u32 i;
/* Disable all tables */
for (i = 0; i < 16; i++)
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL) + i, 0);
/* Setup TLB control */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL));
tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
tmp = REG_SET_FIELD(tmp,
MC_VM_MX_L1_TLB_CNTL,
ENABLE_ADVANCED_DRIVER_MODEL,
0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
/* Setup L2 cache */
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL));
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL3), 0);
}
/**
* gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling
*
* @adev: amdgpu_device pointer
* @value: true redirects VM faults to the default page
*/
void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
bool value)
{
u32 tmp;
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL));
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp,
VM_L2_PROTECTION_FAULT_CNTL,
TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
}
static int gfxhub_v1_0_early_init(void *handle)
{
return 0;
}
static int gfxhub_v1_0_late_init(void *handle)
{
return 0;
}
static int gfxhub_v1_0_sw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB];
hub->ctx0_ptb_addr_lo32 =
SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
hub->vm_context0_cntl =
SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
hub->vm_l2_pro_fault_status =
SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
hub->vm_l2_pro_fault_cntl =
SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
return 0;
}
static int gfxhub_v1_0_sw_fini(void *handle)
{
return 0;
}
static int gfxhub_v1_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
unsigned i;
for (i = 0 ; i < 18; ++i) {
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
2 * i, 0xffffffff);
WREG32(SOC15_REG_OFFSET(GC, 0,
mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
2 * i, 0x1f);
}
return 0;
}
static int gfxhub_v1_0_hw_fini(void *handle)
{
return 0;
}
static int gfxhub_v1_0_suspend(void *handle)
{
return 0;
}
static int gfxhub_v1_0_resume(void *handle)
{
return 0;
}
static bool gfxhub_v1_0_is_idle(void *handle)
{
return true;
}
static int gfxhub_v1_0_wait_for_idle(void *handle)
{
return 0;
}
static int gfxhub_v1_0_soft_reset(void *handle)
{
return 0;
}
static int gfxhub_v1_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
return 0;
}
static int gfxhub_v1_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
return 0;
}
const struct amd_ip_funcs gfxhub_v1_0_ip_funcs = {
.name = "gfxhub_v1_0",
.early_init = gfxhub_v1_0_early_init,
.late_init = gfxhub_v1_0_late_init,
.sw_init = gfxhub_v1_0_sw_init,
.sw_fini = gfxhub_v1_0_sw_fini,
.hw_init = gfxhub_v1_0_hw_init,
.hw_fini = gfxhub_v1_0_hw_fini,
.suspend = gfxhub_v1_0_suspend,
.resume = gfxhub_v1_0_resume,
.is_idle = gfxhub_v1_0_is_idle,
.wait_for_idle = gfxhub_v1_0_wait_for_idle,
.soft_reset = gfxhub_v1_0_soft_reset,
.set_clockgating_state = gfxhub_v1_0_set_clockgating_state,
.set_powergating_state = gfxhub_v1_0_set_powergating_state,
};
const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_GFXHUB,
.major = 1,
.minor = 0,
.rev = 0,
.funcs = &gfxhub_v1_0_ip_funcs,
};