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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c | 622 |
1 files changed, 622 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c new file mode 100644 index 0000000000..e5b5b0f494 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c @@ -0,0 +1,622 @@ +/* + * 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 (adev->ip_versions[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); + } + if (amdgpu_sriov_vf(adev)) + adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0, + regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2; +} + +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 (!(adev->ip_versions[PCIE_HWIP][0] == IP_VERSION(7, 4, 0)) && + !(adev->ip_versions[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 +} + +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, +}; + + +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, +}; + +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, +}; |