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linuxdebug/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c

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null pointer error
2024-07-16 15:50:57 +02:00
/*
* Copyright 2018 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_atombios.h"
#include "nbio_v7_4.h"
#include "amdgpu_ras.h"
#include "nbio/nbio_7_4_offset.h"
#include "nbio/nbio_7_4_sh_mask.h"
#include "nbio/nbio_7_4_0_smn.h"
#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
#include <uapi/linux/kfd_ioctl.h>
#define smnPCIE_LC_CNTL 0x11140280
#define smnPCIE_LC_CNTL3 0x111402d4
#define smnPCIE_LC_CNTL6 0x111402ec
#define smnPCIE_LC_CNTL7 0x111402f0
#define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c
#define smnRCC_BIF_STRAP3 0x1012348c
#define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK 0x0000FFFFL
#define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK 0xFFFF0000L
#define smnRCC_BIF_STRAP5 0x10123494
#define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK 0x0000FFFFL
#define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c
#define BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK 0x0400L
#define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324
#define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4
#define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123538
#define smnRCC_BIF_STRAP2 0x10123488
#define RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK 0x00004000L
#define RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT 0x0
#define RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT 0x10
#define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT 0x0
/*
* These are nbio v7_4_1 registers mask. Temporarily define these here since
* nbio v7_4_1 header is incomplete.
*/
#define GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK 0x00001000L /* Don't use. Firmware uses this bit internally */
#define GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK 0x00002000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK 0x00004000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK 0x00008000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK 0x00010000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK 0x00020000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG6_MASK 0x00040000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG7_MASK 0x00080000L
#define GPU_HDP_FLUSH_DONE__RSVD_ENG8_MASK 0x00100000L
#define mmBIF_MMSCH1_DOORBELL_RANGE 0x01dc
#define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX 2
//BIF_MMSCH1_DOORBELL_RANGE
#define BIF_MMSCH1_DOORBELL_RANGE__OFFSET__SHIFT 0x2
#define BIF_MMSCH1_DOORBELL_RANGE__SIZE__SHIFT 0x10
#define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK 0x00000FFCL
#define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK 0x001F0000L
#define BIF_MMSCH1_DOORBELL_RANGE__OFFSET_MASK 0x00000FFCL
#define BIF_MMSCH1_DOORBELL_RANGE__SIZE_MASK 0x001F0000L
#define mmBIF_MMSCH1_DOORBELL_RANGE_ALDE 0x01d8
#define mmBIF_MMSCH1_DOORBELL_RANGE_ALDE_BASE_IDX 2
//BIF_MMSCH1_DOORBELL_ALDE_RANGE
#define BIF_MMSCH1_DOORBELL_RANGE_ALDE__OFFSET__SHIFT 0x2
#define BIF_MMSCH1_DOORBELL_RANGE_ALDE__SIZE__SHIFT 0x10
#define BIF_MMSCH1_DOORBELL_RANGE_ALDE__OFFSET_MASK 0x00000FFCL
#define BIF_MMSCH1_DOORBELL_RANGE_ALDE__SIZE_MASK 0x001F0000L
#define mmRCC_DEV0_EPF0_STRAP0_ALDE 0x0015
#define mmRCC_DEV0_EPF0_STRAP0_ALDE_BASE_IDX 2
#define mmBIF_DOORBELL_INT_CNTL_ALDE 0x00fe
#define mmBIF_DOORBELL_INT_CNTL_ALDE_BASE_IDX 2
#define BIF_DOORBELL_INT_CNTL_ALDE__DOORBELL_INTERRUPT_DISABLE__SHIFT 0x18
#define BIF_DOORBELL_INT_CNTL_ALDE__DOORBELL_INTERRUPT_DISABLE_MASK 0x01000000L
#define mmBIF_INTR_CNTL_ALDE 0x0101
#define mmBIF_INTR_CNTL_ALDE_BASE_IDX 2
static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
void *ras_error_status);
static void nbio_v7_4_remap_hdp_registers(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
}
static u32 nbio_v7_4_get_rev_id(struct amdgpu_device *adev)
{
u32 tmp;
if (adev->asic_type == CHIP_ALDEBARAN)
tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0_ALDE);
else
tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
return tmp;
}
static void nbio_v7_4_mc_access_enable(struct amdgpu_device *adev, bool enable)
{
if (enable)
WREG32_SOC15(NBIO, 0, mmBIF_FB_EN,
BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
else
WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0);
}
static u32 nbio_v7_4_get_memsize(struct amdgpu_device *adev)
{
return RREG32_SOC15(NBIO, 0, mmRCC_CONFIG_MEMSIZE);
}
static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
bool use_doorbell, int doorbell_index, int doorbell_size)
{
u32 reg, doorbell_range;
if (instance < 2) {
reg = instance +
SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE);
} else {
/*
* These registers address of SDMA2~7 is not consecutive
* from SDMA0~1. Need plus 4 dwords offset.
*
* BIF_SDMA0_DOORBELL_RANGE: 0x3bc0
* BIF_SDMA1_DOORBELL_RANGE: 0x3bc4
* BIF_SDMA2_DOORBELL_RANGE: 0x3bd8
+ * BIF_SDMA4_DOORBELL_RANGE:
+ * ARCTURUS: 0x3be0
+ * ALDEBARAN: 0x3be4
*/
if (adev->asic_type == CHIP_ALDEBARAN && instance == 4)
reg = instance + 0x4 + 0x1 +
SOC15_REG_OFFSET(NBIO, 0,
mmBIF_SDMA0_DOORBELL_RANGE);
else
reg = instance + 0x4 +
SOC15_REG_OFFSET(NBIO, 0,
mmBIF_SDMA0_DOORBELL_RANGE);
}
doorbell_range = RREG32(reg);
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index);
doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, doorbell_size);
} else
doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0);
WREG32(reg, doorbell_range);
}
static void nbio_v7_4_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
int doorbell_index, int instance)
{
u32 reg;
u32 doorbell_range;
if (instance) {
if (adev->asic_type == CHIP_ALDEBARAN)
reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE_ALDE);
else
reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE);
} else
reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE);
doorbell_range = RREG32(reg);
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range,
BIF_MMSCH0_DOORBELL_RANGE, OFFSET,
doorbell_index);
doorbell_range = REG_SET_FIELD(doorbell_range,
BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8);
} else
doorbell_range = REG_SET_FIELD(doorbell_range,
BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0);
WREG32(reg, doorbell_range);
}
static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev,
bool enable)
{
WREG32_FIELD15(NBIO, 0, RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0);
}
static void nbio_v7_4_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
bool enable)
{
u32 tmp = 0;
if (enable) {
tmp = REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) |
REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) |
REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0);
WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_LOW,
lower_32_bits(adev->doorbell.base));
WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_HIGH,
upper_32_bits(adev->doorbell.base));
}
WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_CNTL, tmp);
}
static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev,
bool use_doorbell, int doorbell_index)
{
u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE);
if (use_doorbell) {
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index);
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 4);
} else
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0);
WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range);
}
static void nbio_v7_4_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
//TODO: Add support for v7.4
}
static void nbio_v7_4_update_medium_grain_light_sleep(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
def = data = RREG32_PCIE(smnPCIE_CNTL2);
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
PCIE_CNTL2__MST_MEM_LS_EN_MASK |
PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
} else {
data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
PCIE_CNTL2__MST_MEM_LS_EN_MASK |
PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
}
if (def != data)
WREG32_PCIE(smnPCIE_CNTL2, data);
}
static void nbio_v7_4_get_clockgating_state(struct amdgpu_device *adev,
u64 *flags)
{
int data;
/* AMD_CG_SUPPORT_BIF_MGCG */
data = RREG32_PCIE(smnCPM_CONTROL);
if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_BIF_MGCG;
/* AMD_CG_SUPPORT_BIF_LS */
data = RREG32_PCIE(smnPCIE_CNTL2);
if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
*flags |= AMD_CG_SUPPORT_BIF_LS;
}
static void nbio_v7_4_ih_control(struct amdgpu_device *adev)
{
u32 interrupt_cntl;
/* setup interrupt control */
WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL);
/* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
*/
interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
/* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl);
}
static u32 nbio_v7_4_get_hdp_flush_req_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_REQ);
}
static u32 nbio_v7_4_get_hdp_flush_done_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, mmGPU_HDP_FLUSH_DONE);
}
static u32 nbio_v7_4_get_pcie_index_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2);
}
static u32 nbio_v7_4_get_pcie_data_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2);
}
const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = {
.ref_and_mask_cp0 = GPU_HDP_FLUSH_DONE__CP0_MASK,
.ref_and_mask_cp1 = GPU_HDP_FLUSH_DONE__CP1_MASK,
.ref_and_mask_cp2 = GPU_HDP_FLUSH_DONE__CP2_MASK,
.ref_and_mask_cp3 = GPU_HDP_FLUSH_DONE__CP3_MASK,
.ref_and_mask_cp4 = GPU_HDP_FLUSH_DONE__CP4_MASK,
.ref_and_mask_cp5 = GPU_HDP_FLUSH_DONE__CP5_MASK,
.ref_and_mask_cp6 = GPU_HDP_FLUSH_DONE__CP6_MASK,
.ref_and_mask_cp7 = GPU_HDP_FLUSH_DONE__CP7_MASK,
.ref_and_mask_cp8 = GPU_HDP_FLUSH_DONE__CP8_MASK,
.ref_and_mask_cp9 = GPU_HDP_FLUSH_DONE__CP9_MASK,
.ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__SDMA0_MASK,
.ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK,
};
static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
{
uint32_t baco_cntl;
if (amdgpu_sriov_vf(adev))
adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4) &&
!amdgpu_sriov_vf(adev)) {
baco_cntl = RREG32_SOC15(NBIO, 0, mmBACO_CNTL);
if (baco_cntl &
(BACO_CNTL__BACO_DUMMY_EN_MASK | BACO_CNTL__BACO_EN_MASK)) {
baco_cntl &= ~(BACO_CNTL__BACO_DUMMY_EN_MASK |
BACO_CNTL__BACO_EN_MASK);
dev_dbg(adev->dev, "Unsetting baco dummy mode %x",
baco_cntl);
WREG32_SOC15(NBIO, 0, mmBACO_CNTL, baco_cntl);
}
}
}
static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device *adev)
{
uint32_t bif_doorbell_intr_cntl;
struct ras_manager *obj = amdgpu_ras_find_obj(adev, adev->nbio.ras_if);
struct ras_err_data err_data = {0, 0, 0, NULL};
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
if (adev->asic_type == CHIP_ALDEBARAN)
bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE);
else
bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
if (REG_GET_FIELD(bif_doorbell_intr_cntl,
BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
/* driver has to clear the interrupt status when bif ring is disabled */
bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
BIF_DOORBELL_INT_CNTL,
RAS_CNTLR_INTERRUPT_CLEAR, 1);
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE, bif_doorbell_intr_cntl);
else
WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
if (!ras->disable_ras_err_cnt_harvest) {
/*
* clear error status after ras_controller_intr
* according to hw team and count ue number
* for query
*/
nbio_v7_4_query_ras_error_count(adev, &err_data);
/* logging on error cnt and printing for awareness */
obj->err_data.ue_count += err_data.ue_count;
obj->err_data.ce_count += err_data.ce_count;
if (err_data.ce_count)
dev_info(adev->dev, "%ld correctable hardware "
"errors detected in %s block, "
"no user action is needed.\n",
obj->err_data.ce_count,
get_ras_block_str(adev->nbio.ras_if));
if (err_data.ue_count)
dev_info(adev->dev, "%ld uncorrectable hardware "
"errors detected in %s block\n",
obj->err_data.ue_count,
get_ras_block_str(adev->nbio.ras_if));
}
dev_info(adev->dev, "RAS controller interrupt triggered "
"by NBIF error\n");
/* ras_controller_int is dedicated for nbif ras error,
* not the global interrupt for sync flood
*/
amdgpu_ras_reset_gpu(adev);
}
}
static void nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
{
uint32_t bif_doorbell_intr_cntl;
if (adev->asic_type == CHIP_ALDEBARAN)
bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE);
else
bif_doorbell_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL);
if (REG_GET_FIELD(bif_doorbell_intr_cntl,
BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
/* driver has to clear the interrupt status when bif ring is disabled */
bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
BIF_DOORBELL_INT_CNTL,
RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL_ALDE, bif_doorbell_intr_cntl);
else
WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
amdgpu_ras_global_ras_isr(adev);
}
}
static int nbio_v7_4_set_ras_controller_irq_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned type,
enum amdgpu_interrupt_state state)
{
/* The ras_controller_irq enablement should be done in psp bl when it
* tries to enable ras feature. Driver only need to set the correct interrupt
* vector for bare-metal and sriov use case respectively
*/
uint32_t bif_intr_cntl;
if (adev->asic_type == CHIP_ALDEBARAN)
bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE);
else
bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL);
if (state == AMDGPU_IRQ_STATE_ENABLE) {
/* set interrupt vector select bit to 0 to select
* vetcor 1 for bare metal case */
bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl,
BIF_INTR_CNTL,
RAS_INTR_VEC_SEL, 0);
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE, bif_intr_cntl);
else
WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl);
}
return 0;
}
static int nbio_v7_4_process_ras_controller_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
/* By design, the ih cookie for ras_controller_irq should be written
* to BIFring instead of general iv ring. However, due to known bif ring
* hw bug, it has to be disabled. There is no chance the process function
* will be involked. Just left it as a dummy one.
*/
return 0;
}
static int nbio_v7_4_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned type,
enum amdgpu_interrupt_state state)
{
/* The ras_controller_irq enablement should be done in psp bl when it
* tries to enable ras feature. Driver only need to set the correct interrupt
* vector for bare-metal and sriov use case respectively
*/
uint32_t bif_intr_cntl;
if (adev->asic_type == CHIP_ALDEBARAN)
bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE);
else
bif_intr_cntl = RREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL);
if (state == AMDGPU_IRQ_STATE_ENABLE) {
/* set interrupt vector select bit to 0 to select
* vetcor 1 for bare metal case */
bif_intr_cntl = REG_SET_FIELD(bif_intr_cntl,
BIF_INTR_CNTL,
RAS_INTR_VEC_SEL, 0);
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL_ALDE, bif_intr_cntl);
else
WREG32_SOC15(NBIO, 0, mmBIF_INTR_CNTL, bif_intr_cntl);
}
return 0;
}
static int nbio_v7_4_process_err_event_athub_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
/* By design, the ih cookie for err_event_athub_irq should be written
* to BIFring instead of general iv ring. However, due to known bif ring
* hw bug, it has to be disabled. There is no chance the process function
* will be involked. Just left it as a dummy one.
*/
return 0;
}
static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_controller_irq_funcs = {
.set = nbio_v7_4_set_ras_controller_irq_state,
.process = nbio_v7_4_process_ras_controller_irq,
};
static const struct amdgpu_irq_src_funcs nbio_v7_4_ras_err_event_athub_irq_funcs = {
.set = nbio_v7_4_set_ras_err_event_athub_irq_state,
.process = nbio_v7_4_process_err_event_athub_irq,
};
static int nbio_v7_4_init_ras_controller_interrupt (struct amdgpu_device *adev)
{
int r;
/* init the irq funcs */
adev->nbio.ras_controller_irq.funcs =
&nbio_v7_4_ras_controller_irq_funcs;
adev->nbio.ras_controller_irq.num_types = 1;
/* register ras controller interrupt */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT,
&adev->nbio.ras_controller_irq);
return r;
}
static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *adev)
{
int r;
/* init the irq funcs */
adev->nbio.ras_err_event_athub_irq.funcs =
&nbio_v7_4_ras_err_event_athub_irq_funcs;
adev->nbio.ras_err_event_athub_irq.num_types = 1;
/* register ras err event athub interrupt */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
&adev->nbio.ras_err_event_athub_irq);
return r;
}
#define smnPARITY_ERROR_STATUS_UNCORR_GRP2 0x13a20030
#define smnPARITY_ERROR_STATUS_UNCORR_GRP2_ALDE 0x13b20030
#define smnRAS_GLOBAL_STATUS_LO_ALDE 0x13b20020
static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
void *ras_error_status)
{
uint32_t global_sts, central_sts, int_eoi, parity_sts;
uint32_t corr, fatal, non_fatal;
struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
if (adev->asic_type == CHIP_ALDEBARAN)
global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO_ALDE);
else
global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO);
corr = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrCorr);
fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrFatal);
non_fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO,
ParityErrNonFatal);
if (adev->asic_type == CHIP_ALDEBARAN)
parity_sts = RREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2_ALDE);
else
parity_sts = RREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2);
if (corr)
err_data->ce_count++;
if (fatal)
err_data->ue_count++;
if (corr || fatal || non_fatal) {
central_sts = RREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS);
/* clear error status register */
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO_ALDE, global_sts);
else
WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO, global_sts);
if (fatal)
{
/* clear parity fatal error indication field */
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2_ALDE, parity_sts);
else
WREG32_PCIE(smnPARITY_ERROR_STATUS_UNCORR_GRP2, parity_sts);
}
if (REG_GET_FIELD(central_sts, BIFL_RAS_CENTRAL_STATUS,
BIFL_RasContller_Intr_Recv)) {
/* clear interrupt status register */
WREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS, central_sts);
int_eoi = RREG32_PCIE(smnIOHC_INTERRUPT_EOI);
int_eoi = REG_SET_FIELD(int_eoi,
IOHC_INTERRUPT_EOI, SMI_EOI, 1);
WREG32_PCIE(smnIOHC_INTERRUPT_EOI, int_eoi);
}
}
}
static void nbio_v7_4_enable_doorbell_interrupt(struct amdgpu_device *adev,
bool enable)
{
if (adev->asic_type == CHIP_ALDEBARAN)
WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL_ALDE,
DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
else
WREG32_FIELD15(NBIO, 0, BIF_DOORBELL_INT_CNTL,
DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
}
const struct amdgpu_ras_block_hw_ops nbio_v7_4_ras_hw_ops = {
.query_ras_error_count = nbio_v7_4_query_ras_error_count,
};
struct amdgpu_nbio_ras nbio_v7_4_ras = {
.ras_block = {
.ras_comm = {
.name = "pcie_bif",
.block = AMDGPU_RAS_BLOCK__PCIE_BIF,
.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
},
.hw_ops = &nbio_v7_4_ras_hw_ops,
.ras_late_init = amdgpu_nbio_ras_late_init,
},
.handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring,
.handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
.init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt,
.init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt,
};
#ifdef CONFIG_PCIEASPM
static void nbio_v7_4_program_ltr(struct amdgpu_device *adev)
{
uint32_t def, data;
WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, 0x75EB);
def = data = RREG32_PCIE(smnRCC_BIF_STRAP2);
data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
if (def != data)
WREG32_PCIE(smnRCC_BIF_STRAP2, data);
def = data = RREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
if (def != data)
WREG32_PCIE(smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
if (def != data)
WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
}
#endif
static void nbio_v7_4_program_aspm(struct amdgpu_device *adev)
{
#ifdef CONFIG_PCIEASPM
uint32_t def, data;
if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4))
return;
def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
if (def != data)
WREG32_PCIE(smnPCIE_LC_CNTL, data);
def = data = RREG32_PCIE(smnPCIE_LC_CNTL7);
data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
if (def != data)
WREG32_PCIE(smnPCIE_LC_CNTL7, data);
def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK);
data |= NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK;
if (def != data)
WREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK, data);
def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
if (def != data)
WREG32_PCIE(smnPCIE_LC_CNTL3, data);
def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
data &= ~RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER_MASK;
data &= ~RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER_MASK;
if (def != data)
WREG32_PCIE(smnRCC_BIF_STRAP3, data);
def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
if (def != data)
WREG32_PCIE(smnRCC_BIF_STRAP5, data);
def = data = RREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
if (def != data)
WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
WREG32_PCIE(smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
def = data = RREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2);
data |= PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
PSWUSP0_PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
data &= ~PSWUSP0_PCIE_LC_CNTL2__LC_RCV_L0_TO_RCV_L0S_DIS_MASK;
if (def != data)
WREG32_PCIE(smnPSWUSP0_PCIE_LC_CNTL2, data);
def = data = RREG32_PCIE(smnPCIE_LC_CNTL6);
data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK |
PCIE_LC_CNTL6__LC_RX_L0S_STANDBY_EN_MASK;
if (def != data)
WREG32_PCIE(smnPCIE_LC_CNTL6, data);
/* Don't bother about LTR if LTR is not enabled
* in the path */
if (adev->pdev->ltr_path)
nbio_v7_4_program_ltr(adev);
def = data = RREG32_PCIE(smnRCC_BIF_STRAP3);
data |= 0x5DE0 << RCC_BIF_STRAP3__STRAP_VLINK_ASPM_IDLE_TIMER__SHIFT;
data |= 0x0010 << RCC_BIF_STRAP3__STRAP_VLINK_PM_L1_ENTRY_TIMER__SHIFT;
if (def != data)
WREG32_PCIE(smnRCC_BIF_STRAP3, data);
def = data = RREG32_PCIE(smnRCC_BIF_STRAP5);
data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
if (def != data)
WREG32_PCIE(smnRCC_BIF_STRAP5, data);
def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
data |= 0x1 << PCIE_LC_CNTL__LC_PMI_TO_L1_DIS__SHIFT;
if (def != data)
WREG32_PCIE(smnPCIE_LC_CNTL, data);
def = data = RREG32_PCIE(smnPCIE_LC_CNTL3);
data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
if (def != data)
WREG32_PCIE(smnPCIE_LC_CNTL3, data);
#endif
}
const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset,
.get_pcie_index_offset = nbio_v7_4_get_pcie_index_offset,
.get_pcie_data_offset = nbio_v7_4_get_pcie_data_offset,
.get_rev_id = nbio_v7_4_get_rev_id,
.mc_access_enable = nbio_v7_4_mc_access_enable,
.get_memsize = nbio_v7_4_get_memsize,
.sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range,
.vcn_doorbell_range = nbio_v7_4_vcn_doorbell_range,
.enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture,
.enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture,
.ih_doorbell_range = nbio_v7_4_ih_doorbell_range,
.enable_doorbell_interrupt = nbio_v7_4_enable_doorbell_interrupt,
.update_medium_grain_clock_gating = nbio_v7_4_update_medium_grain_clock_gating,
.update_medium_grain_light_sleep = nbio_v7_4_update_medium_grain_light_sleep,
.get_clockgating_state = nbio_v7_4_get_clockgating_state,
.ih_control = nbio_v7_4_ih_control,
.init_registers = nbio_v7_4_init_registers,
.remap_hdp_registers = nbio_v7_4_remap_hdp_registers,
.program_aspm = nbio_v7_4_program_aspm,
};