/*
* Copyright 2021 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_v4_3.h"
#include "nbio/nbio_4_3_0_offset.h"
#include "nbio/nbio_4_3_0_sh_mask.h"
#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
#include <uapi/linux/kfd_ioctl.h>
static void nbio_v4_3_remap_hdp_registers(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
}
static u32 nbio_v4_3_get_rev_id(struct amdgpu_device *adev)
{
u32 tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
return tmp;
}
static void nbio_v4_3_mc_access_enable(struct amdgpu_device *adev, bool enable)
{
if (enable)
WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK |
BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
else
WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
}
static u32 nbio_v4_3_get_memsize(struct amdgpu_device *adev)
{
return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE);
}
static void nbio_v4_3_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
bool use_doorbell, int doorbell_index,
int doorbell_size)
{
if (instance == 0) {
u32 doorbell_range = RREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_2_CTRL);
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_2_CTRL,
S2A_DOORBELL_PORT2_ENABLE,
0x1);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_2_CTRL,
S2A_DOORBELL_PORT2_AWID,
0xe);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_2_CTRL,
S2A_DOORBELL_PORT2_RANGE_OFFSET,
doorbell_index);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_2_CTRL,
S2A_DOORBELL_PORT2_RANGE_SIZE,
doorbell_size);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_2_CTRL,
S2A_DOORBELL_PORT2_AWADDR_31_28_VALUE,
0x3);
} else
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_2_CTRL,
S2A_DOORBELL_PORT2_RANGE_SIZE,
0);
WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_2_CTRL, doorbell_range);
}
}
static void nbio_v4_3_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
int doorbell_index, int instance)
{
u32 doorbell_range;
if (instance)
doorbell_range = RREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_5_CTRL);
else
doorbell_range = RREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_4_CTRL);
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_4_CTRL,
S2A_DOORBELL_PORT4_ENABLE,
0x1);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_4_CTRL,
S2A_DOORBELL_PORT4_AWID,
instance ? 0x7 : 0x4);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_4_CTRL,
S2A_DOORBELL_PORT4_RANGE_OFFSET,
doorbell_index);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_4_CTRL,
S2A_DOORBELL_PORT4_RANGE_SIZE,
8);
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_4_CTRL,
S2A_DOORBELL_PORT4_AWADDR_31_28_VALUE,
instance ? 0x7 : 0x4);
} else
doorbell_range = REG_SET_FIELD(doorbell_range,
S2A_DOORBELL_ENTRY_4_CTRL,
S2A_DOORBELL_PORT4_RANGE_SIZE,
0);
if (instance)
WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_5_CTRL, doorbell_range);
else
WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_4_CTRL, doorbell_range);
}
static void nbio_v4_3_gc_doorbell_init(struct amdgpu_device *adev)
{
WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_0_CTRL, 0x30000007);
WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_3_CTRL, 0x3000000d);
}
static void nbio_v4_3_enable_doorbell_aperture(struct amdgpu_device *adev,
bool enable)
{
WREG32_FIELD15_PREREG(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN,
BIF_DOORBELL_APER_EN, enable ? 1 : 0);
}
static void nbio_v4_3_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
bool enable)
{
u32 tmp = 0;
if (enable) {
tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
DOORBELL_SELFRING_GPA_APER_EN, 1) |
REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
DOORBELL_SELFRING_GPA_APER_MODE, 1) |
REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
DOORBELL_SELFRING_GPA_APER_SIZE, 0);
WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
lower_32_bits(adev->doorbell.base));
WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
upper_32_bits(adev->doorbell.base));
}
WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
tmp);
}
static void nbio_v4_3_ih_doorbell_range(struct amdgpu_device *adev,
bool use_doorbell, int doorbell_index)
{
u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_1_CTRL);
if (use_doorbell) {
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
S2A_DOORBELL_ENTRY_1_CTRL,
S2A_DOORBELL_PORT1_ENABLE,
0x1);
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
S2A_DOORBELL_ENTRY_1_CTRL,
S2A_DOORBELL_PORT1_AWID,
0x0);
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
S2A_DOORBELL_ENTRY_1_CTRL,
S2A_DOORBELL_PORT1_RANGE_OFFSET,
doorbell_index);
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
S2A_DOORBELL_ENTRY_1_CTRL,
S2A_DOORBELL_PORT1_RANGE_SIZE,
2);
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
S2A_DOORBELL_ENTRY_1_CTRL,
S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
0x0);
} else
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
S2A_DOORBELL_ENTRY_1_CTRL,
S2A_DOORBELL_PORT1_RANGE_SIZE,
0);
WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_1_CTRL, ih_doorbell_range);
}
static void nbio_v4_3_ih_control(struct amdgpu_device *adev)
{
u32 interrupt_cntl;
/* setup interrupt control */
WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL);
/*
* BIF_BX0_INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
* BIF_BX0_INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
*/
interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL,
IH_DUMMY_RD_OVERRIDE, 0);
/* BIF_BX0_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, BIF_BX0_INTERRUPT_CNTL,
IH_REQ_NONSNOOP_EN, 0);
WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl);
}
static void nbio_v4_3_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
if (enable && !(adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG))
return;
def = data = RREG32_SOC15(NBIO, 0, regCPM_CONTROL);
if (enable) {
data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
} else {
data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
}
if (def != data)
WREG32_SOC15(NBIO, 0, regCPM_CONTROL, data);
}
static void nbio_v4_3_update_medium_grain_light_sleep(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
if (enable && !(adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
return;
/* TODO: need update in future */
def = data = RREG32_SOC15(NBIO, 0, regPCIE_CNTL2);
if (enable) {
data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK;
} else {
data &= ~PCIE_CNTL2__SLV_MEM_LS_EN_MASK;
}
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_CNTL2, data);
}
static void nbio_v4_3_get_clockgating_state(struct amdgpu_device *adev,
u64 *flags)
{
int data;
/* AMD_CG_SUPPORT_BIF_MGCG */
data = RREG32_SOC15(NBIO, 0, regCPM_CONTROL);
if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_BIF_MGCG;
/* AMD_CG_SUPPORT_BIF_LS */
data = RREG32_SOC15(NBIO, 0, regPCIE_CNTL2);
if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
*flags |= AMD_CG_SUPPORT_BIF_LS;
}
static u32 nbio_v4_3_get_hdp_flush_req_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
}
static u32 nbio_v4_3_get_hdp_flush_done_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
}
static u32 nbio_v4_3_get_pcie_index_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX);
}
static u32 nbio_v4_3_get_pcie_data_offset(struct amdgpu_device *adev)
{
return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA);
}
const struct nbio_hdp_flush_reg nbio_v4_3_hdp_flush_reg = {
.ref_and_mask_cp0 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP0_MASK,
.ref_and_mask_cp1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP1_MASK,
.ref_and_mask_cp2 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP2_MASK,
.ref_and_mask_cp3 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP3_MASK,
.ref_and_mask_cp4 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP4_MASK,
.ref_and_mask_cp5 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP5_MASK,
.ref_and_mask_cp6 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP6_MASK,
.ref_and_mask_cp7 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP7_MASK,
.ref_and_mask_cp8 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP8_MASK,
.ref_and_mask_cp9 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP9_MASK,
.ref_and_mask_sdma0 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
.ref_and_mask_sdma1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
};
static void nbio_v4_3_init_registers(struct amdgpu_device *adev)
{
if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(4, 3, 0)) {
uint32_t data;
data = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF2_STRAP2);
data &= ~RCC_DEV0_EPF2_STRAP2__STRAP_NO_SOFT_RESET_DEV0_F2_MASK;
WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF2_STRAP2, data);
}
}
static u32 nbio_v4_3_get_rom_offset(struct amdgpu_device *adev)
{
u32 data, rom_offset;
data = RREG32_SOC15(NBIO, 0, regREGS_ROM_OFFSET_CTRL);
rom_offset = REG_GET_FIELD(data, REGS_ROM_OFFSET_CTRL, ROM_OFFSET);
return rom_offset;
}
#ifdef CONFIG_PCIEASPM
static void nbio_v4_3_program_ltr(struct amdgpu_device *adev)
{
uint32_t def, data;
def = RREG32_SOC15(NBIO, 0, regRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL);
data = 0x35EB;
data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_MSG_DIS_IN_PM_NON_D0_MASK;
data &= ~EP_PCIE_TX_LTR_CNTL__LTR_PRIV_RST_LTR_IN_DL_DOWN_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL, data);
def = data = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP2);
data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP2, data);
def = data = RREG32_SOC15(NBIO, 0, regBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
if (adev->pdev->ltr_path)
data |= BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
else
data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
}
#endif
static void nbio_v4_3_program_aspm(struct amdgpu_device *adev)
{
#ifdef CONFIG_PCIEASPM
uint32_t def, data;
if (!(amdgpu_ip_version(adev, PCIE_HWIP, 0) == IP_VERSION(7, 4, 0)) &&
!(amdgpu_ip_version(adev, PCIE_HWIP, 0) == IP_VERSION(7, 6, 0)))
return;
def = data = RREG32_SOC15(NBIO, 0, regPCIE_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_SOC15(NBIO, 0, regPCIE_LC_CNTL, data);
def = data = RREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL7);
data |= PCIE_LC_CNTL7__LC_NBIF_ASPM_INPUT_EN_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL7, data);
def = data = RREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL3);
data |= PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL3, data);
def = data = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_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_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP3, data);
def = data = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP5);
data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP5, data);
def = data = RREG32_SOC15(NBIO, 0, regBIF_CFG_DEV0_EPF0_DEVICE_CNTL2);
data &= ~BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regBIF_CFG_DEV0_EPF0_DEVICE_CNTL2, data);
WREG32_SOC15(NBIO, 0, regBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP, 0x10011001);
def = data = RREG32_SOC15(NBIO, 0, regPSWUSP0_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_SOC15(NBIO, 0, regPSWUSP0_PCIE_LC_CNTL2, data);
def = data = RREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL4);
data |= PCIE_LC_CNTL4__LC_L1_POWERDOWN_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL4, data);
def = data = RREG32_SOC15(NBIO, 0, regPCIE_LC_RXRECOVER_RXSTANDBY_CNTL);
data |= PCIE_LC_RXRECOVER_RXSTANDBY_CNTL__LC_RX_L0S_STANDBY_EN_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_LC_RXRECOVER_RXSTANDBY_CNTL, data);
nbio_v4_3_program_ltr(adev);
def = data = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_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_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP3, data);
def = data = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP5);
data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT;
if (def != data)
WREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_BIF_STRAP5, data);
def = data = RREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL);
data |= 0x0 << PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT;
data |= 0x9 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
data &= ~PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL, data);
def = data = RREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL3);
data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK;
if (def != data)
WREG32_SOC15(NBIO, 0, regPCIE_LC_CNTL3, data);
#endif
}
#define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
static void nbio_v4_3_set_reg_remap(struct amdgpu_device *adev)
{
if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) {
adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
} else {
adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
adev->rmmio_remap.bus_addr = 0;
}
}
const struct amdgpu_nbio_funcs nbio_v4_3_funcs = {
.get_hdp_flush_req_offset = nbio_v4_3_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v4_3_get_hdp_flush_done_offset,
.get_pcie_index_offset = nbio_v4_3_get_pcie_index_offset,
.get_pcie_data_offset = nbio_v4_3_get_pcie_data_offset,
.get_rev_id = nbio_v4_3_get_rev_id,
.mc_access_enable = nbio_v4_3_mc_access_enable,
.get_memsize = nbio_v4_3_get_memsize,
.sdma_doorbell_range = nbio_v4_3_sdma_doorbell_range,
.vcn_doorbell_range = nbio_v4_3_vcn_doorbell_range,
.gc_doorbell_init = nbio_v4_3_gc_doorbell_init,
.enable_doorbell_aperture = nbio_v4_3_enable_doorbell_aperture,
.enable_doorbell_selfring_aperture = nbio_v4_3_enable_doorbell_selfring_aperture,
.ih_doorbell_range = nbio_v4_3_ih_doorbell_range,
.update_medium_grain_clock_gating = nbio_v4_3_update_medium_grain_clock_gating,
.update_medium_grain_light_sleep = nbio_v4_3_update_medium_grain_light_sleep,
.get_clockgating_state = nbio_v4_3_get_clockgating_state,
.ih_control = nbio_v4_3_ih_control,
.init_registers = nbio_v4_3_init_registers,
.remap_hdp_registers = nbio_v4_3_remap_hdp_registers,
.get_rom_offset = nbio_v4_3_get_rom_offset,
.program_aspm = nbio_v4_3_program_aspm,
.set_reg_remap = nbio_v4_3_set_reg_remap,
};
static void nbio_v4_3_sriov_ih_doorbell_range(struct amdgpu_device *adev,
bool use_doorbell, int doorbell_index)
{
}
static void nbio_v4_3_sriov_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
bool use_doorbell, int doorbell_index,
int doorbell_size)
{
}
static void nbio_v4_3_sriov_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
int doorbell_index, int instance)
{
}
static void nbio_v4_3_sriov_gc_doorbell_init(struct amdgpu_device *adev)
{
}
const struct amdgpu_nbio_funcs nbio_v4_3_sriov_funcs = {
.get_hdp_flush_req_offset = nbio_v4_3_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v4_3_get_hdp_flush_done_offset,
.get_pcie_index_offset = nbio_v4_3_get_pcie_index_offset,
.get_pcie_data_offset = nbio_v4_3_get_pcie_data_offset,
.get_rev_id = nbio_v4_3_get_rev_id,
.mc_access_enable = nbio_v4_3_mc_access_enable,
.get_memsize = nbio_v4_3_get_memsize,
.sdma_doorbell_range = nbio_v4_3_sriov_sdma_doorbell_range,
.vcn_doorbell_range = nbio_v4_3_sriov_vcn_doorbell_range,
.gc_doorbell_init = nbio_v4_3_sriov_gc_doorbell_init,
.enable_doorbell_aperture = nbio_v4_3_enable_doorbell_aperture,
.enable_doorbell_selfring_aperture = nbio_v4_3_enable_doorbell_selfring_aperture,
.ih_doorbell_range = nbio_v4_3_sriov_ih_doorbell_range,
.update_medium_grain_clock_gating = nbio_v4_3_update_medium_grain_clock_gating,
.update_medium_grain_light_sleep = nbio_v4_3_update_medium_grain_light_sleep,
.get_clockgating_state = nbio_v4_3_get_clockgating_state,
.ih_control = nbio_v4_3_ih_control,
.init_registers = nbio_v4_3_init_registers,
.remap_hdp_registers = nbio_v4_3_remap_hdp_registers,
.get_rom_offset = nbio_v4_3_get_rom_offset,
.set_reg_remap = nbio_v4_3_set_reg_remap,
};
static int nbio_v4_3_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_doorbell_int_cntl;
bif_doorbell_int_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
bif_doorbell_int_cntl = REG_SET_FIELD(bif_doorbell_int_cntl,
BIF_BX0_BIF_DOORBELL_INT_CNTL,
RAS_ATHUB_ERR_EVENT_INTERRUPT_DISABLE,
(state == AMDGPU_IRQ_STATE_ENABLE) ? 0 : 1);
WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_int_cntl);
return 0;
}
static int nbio_v4_3_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 bif ring. since bif ring is not enabled, just leave process callback
* as a dummy one.
*/
return 0;
}
static const struct amdgpu_irq_src_funcs nbio_v4_3_ras_err_event_athub_irq_funcs = {
.set = nbio_v4_3_set_ras_err_event_athub_irq_state,
.process = nbio_v4_3_process_err_event_athub_irq,
};
static void nbio_v4_3_handle_ras_err_event_athub_intr_no_bifring(struct amdgpu_device *adev)
{
uint32_t bif_doorbell_int_cntl;
bif_doorbell_int_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
if (REG_GET_FIELD(bif_doorbell_int_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_int_cntl = REG_SET_FIELD(bif_doorbell_int_cntl,
BIF_DOORBELL_INT_CNTL,
RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_int_cntl);
amdgpu_ras_global_ras_isr(adev);
}
}
static int nbio_v4_3_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_v4_3_ras_err_event_athub_irq_funcs;
adev->nbio.ras_err_event_athub_irq.num_types = 1;
/* register ras err event athub interrupt
* nbio v4_3 uses the same irq source as nbio v7_4 */
r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_BIF,
NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
&adev->nbio.ras_err_event_athub_irq);
return r;
}
struct amdgpu_nbio_ras nbio_v4_3_ras = {
.handle_ras_err_event_athub_intr_no_bifring = nbio_v4_3_handle_ras_err_event_athub_intr_no_bifring,
.init_ras_err_event_athub_interrupt = nbio_v4_3_init_ras_err_event_athub_interrupt,
};