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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_v2_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_v2_3.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c new file mode 100644 index 0000000000..ef368ca79a --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c @@ -0,0 +1,580 @@ +/* + * Copyright 2019 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_v2_3.h" + +#include "nbio/nbio_2_3_default.h" +#include "nbio/nbio_2_3_offset.h" +#include "nbio/nbio_2_3_sh_mask.h" +#include <uapi/linux/kfd_ioctl.h> +#include <linux/device.h> +#include <linux/pci.h> + +#define smnPCIE_CONFIG_CNTL 0x11180044 +#define smnCPM_CONTROL 0x11180460 +#define smnPCIE_CNTL2 0x11180070 +#define smnPCIE_LC_CNTL 0x11140280 +#define smnPCIE_LC_CNTL3 0x111402d4 +#define smnPCIE_LC_CNTL6 0x111402ec +#define smnPCIE_LC_CNTL7 0x111402f0 +#define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c +#define smnRCC_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123538 +#define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324 +#define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4 +#define smnNBIF_MGCG_CTRL_LCLK 0x1013a21c + +#define mmBIF_SDMA2_DOORBELL_RANGE 0x01d6 +#define mmBIF_SDMA2_DOORBELL_RANGE_BASE_IDX 2 +#define mmBIF_SDMA3_DOORBELL_RANGE 0x01d7 +#define mmBIF_SDMA3_DOORBELL_RANGE_BASE_IDX 2 + +#define mmBIF_MMSCH1_DOORBELL_RANGE 0x01d8 +#define mmBIF_MMSCH1_DOORBELL_RANGE_BASE_IDX 2 + +#define smnPCIE_LC_LINK_WIDTH_CNTL 0x11140288 + +#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 + +static void nbio_v2_3_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_v2_3_get_rev_id(struct amdgpu_device *adev) +{ + u32 tmp; + + /* + * guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0, + * therefore we force rev_id to 0 (which is the default value) + */ + if (amdgpu_sriov_vf(adev)) { + return 0; + } + + 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_v2_3_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_v2_3_get_memsize(struct amdgpu_device *adev) +{ + return RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE); +} + +static void nbio_v2_3_sdma_doorbell_range(struct amdgpu_device *adev, int instance, + bool use_doorbell, int doorbell_index, + int doorbell_size) +{ + u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) : + instance == 1 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE) : + instance == 2 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA2_DOORBELL_RANGE) : + SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA3_DOORBELL_RANGE); + + u32 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_v2_3_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index, int instance) +{ + u32 reg = instance ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH1_DOORBELL_RANGE) : + SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE); + + u32 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_v2_3_enable_doorbell_aperture(struct amdgpu_device *adev, + bool enable) +{ + WREG32_FIELD15(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, + enable ? 1 : 0); +} + +static void nbio_v2_3_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, + bool enable) +{ + u32 tmp = 0; + + if (enable) { + tmp = REG_SET_FIELD(tmp, BIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL, + DOORBELL_SELFRING_GPA_APER_EN, 1) | + REG_SET_FIELD(tmp, BIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL, + DOORBELL_SELFRING_GPA_APER_MODE, 1) | + REG_SET_FIELD(tmp, BIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL, + DOORBELL_SELFRING_GPA_APER_SIZE, 0); + + WREG32_SOC15(NBIO, 0, mmBIF_BX_PF_DOORBELL_SELFRING_GPA_APER_BASE_LOW, + lower_32_bits(adev->doorbell.base)); + WREG32_SOC15(NBIO, 0, mmBIF_BX_PF_DOORBELL_SELFRING_GPA_APER_BASE_HIGH, + upper_32_bits(adev->doorbell.base)); + } + + WREG32_SOC15(NBIO, 0, mmBIF_BX_PF_DOORBELL_SELFRING_GPA_APER_CNTL, + tmp); +} + + +static void nbio_v2_3_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, + 2); + } 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_v2_3_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 void nbio_v2_3_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + if (!(adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) + return; + + def = data = RREG32_PCIE(smnCPM_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_PCIE(smnCPM_CONTROL, data); +} + +static void nbio_v2_3_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + if (!(adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) + return; + + def = data = RREG32_PCIE(smnPCIE_CNTL2); + if (enable) { + 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_v2_3_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 u32 nbio_v2_3_get_hdp_flush_req_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_GPU_HDP_FLUSH_REQ); +} + +static u32 nbio_v2_3_get_hdp_flush_done_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_GPU_HDP_FLUSH_DONE); +} + +static u32 nbio_v2_3_get_pcie_index_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2); +} + +static u32 nbio_v2_3_get_pcie_data_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2); +} + +const struct nbio_hdp_flush_reg nbio_v2_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_v2_3_init_registers(struct amdgpu_device *adev) +{ + uint32_t def, data; + + def = data = RREG32_PCIE(smnPCIE_CONFIG_CNTL); + data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); + data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); + + if (def != data) + WREG32_PCIE(smnPCIE_CONFIG_CNTL, data); + + 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; +} + +#define NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT 0x00000000 // off by default, no gains over L1 +#define NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT 0x0000000A // 1=1us, 9=1ms, 10=4ms +#define NAVI10_PCIE__LC_L1_INACTIVITY_TBT_DEFAULT 0x0000000E // 400ms + +static void nbio_v2_3_enable_aspm(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_PCIE(smnPCIE_LC_CNTL); + + if (enable) { + /* Disable ASPM L0s/L1 first */ + data &= ~(PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK | PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK); + + data |= NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT << PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT; + + if (dev_is_removable(&adev->pdev->dev)) + data |= NAVI10_PCIE__LC_L1_INACTIVITY_TBT_DEFAULT << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT; + else + data |= NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT; + + data &= ~PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK; + } else { + /* Disbale ASPM L1 */ + data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK; + /* Disable ASPM TxL0s */ + data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK; + /* Disable ACPI L1 */ + data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK; + } + + if (def != data) + WREG32_PCIE(smnPCIE_LC_CNTL, data); +} + +#ifdef CONFIG_PCIEASPM +static void nbio_v2_3_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_SOC15(NBIO, 0, mmRCC_BIF_STRAP2); + data &= ~RCC_BIF_STRAP2__STRAP_LTR_IN_ASPML1_DIS_MASK; + if (def != data) + WREG32_SOC15(NBIO, 0, mmRCC_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_v2_3_program_aspm(struct amdgpu_device *adev) +{ +#ifdef CONFIG_PCIEASPM + uint32_t def, data; + + 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_SOC15(NBIO, 0, mmRCC_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, mmRCC_BIF_STRAP3, data); + + def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5); + data &= ~RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK; + if (def != data) + WREG32_SOC15(NBIO, 0, mmRCC_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_v2_3_program_ltr(adev); + + def = data = RREG32_SOC15(NBIO, 0, mmRCC_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, mmRCC_BIF_STRAP3, data); + + def = data = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5); + data |= 0x0010 << RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER__SHIFT; + if (def != data) + WREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP5, data); + + def = data = RREG32_PCIE(smnPCIE_LC_CNTL); + data |= NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT << PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT; + if (dev_is_removable(&adev->pdev->dev)) + data |= NAVI10_PCIE__LC_L1_INACTIVITY_TBT_DEFAULT << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT; + else + data |= NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT; + 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_CNTL3); + data &= ~PCIE_LC_CNTL3__LC_DSC_DONT_ENTER_L23_AFTER_PME_ACK_MASK; + if (def != data) + WREG32_PCIE(smnPCIE_LC_CNTL3, data); +#endif +} + +static void nbio_v2_3_apply_lc_spc_mode_wa(struct amdgpu_device *adev) +{ + uint32_t reg_data = 0; + uint32_t link_width = 0; + + if (!((adev->asic_type >= CHIP_NAVI10) && + (adev->asic_type <= CHIP_NAVI12))) + return; + + reg_data = RREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL); + link_width = (reg_data & PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK) + >> PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT; + + /* + * Program PCIE_LC_CNTL6.LC_SPC_MODE_8GT to 0x2 (4 symbols per clock data) + * if link_width is 0x3 (x4) + */ + if (0x3 == link_width) { + reg_data = RREG32_PCIE(smnPCIE_LC_CNTL6); + reg_data &= ~PCIE_LC_CNTL6__LC_SPC_MODE_8GT_MASK; + reg_data |= (0x2 << PCIE_LC_CNTL6__LC_SPC_MODE_8GT__SHIFT); + WREG32_PCIE(smnPCIE_LC_CNTL6, reg_data); + } +} + +static void nbio_v2_3_apply_l1_link_width_reconfig_wa(struct amdgpu_device *adev) +{ + uint32_t reg_data = 0; + + if (adev->asic_type != CHIP_NAVI10) + return; + + reg_data = RREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL); + reg_data |= PCIE_LC_LINK_WIDTH_CNTL__LC_L1_RECONFIG_EN_MASK; + WREG32_PCIE(smnPCIE_LC_LINK_WIDTH_CNTL, reg_data); +} + +static void nbio_v2_3_clear_doorbell_interrupt(struct amdgpu_device *adev) +{ + uint32_t reg, reg_data; + + if (adev->ip_versions[NBIO_HWIP][0] != IP_VERSION(3, 3, 0)) + return; + + reg = RREG32_SOC15(NBIO, 0, mmBIF_RB_CNTL); + + /* Clear Interrupt Status + */ + if ((reg & BIF_RB_CNTL__RB_ENABLE_MASK) == 0) { + reg = RREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL); + if (reg & BIF_DOORBELL_INT_CNTL__DOORBELL_INTERRUPT_STATUS_MASK) { + reg_data = 1 << BIF_DOORBELL_INT_CNTL__DOORBELL_INTERRUPT_CLEAR__SHIFT; + WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, reg_data); + } + } +} + +const struct amdgpu_nbio_funcs nbio_v2_3_funcs = { + .get_hdp_flush_req_offset = nbio_v2_3_get_hdp_flush_req_offset, + .get_hdp_flush_done_offset = nbio_v2_3_get_hdp_flush_done_offset, + .get_pcie_index_offset = nbio_v2_3_get_pcie_index_offset, + .get_pcie_data_offset = nbio_v2_3_get_pcie_data_offset, + .get_rev_id = nbio_v2_3_get_rev_id, + .mc_access_enable = nbio_v2_3_mc_access_enable, + .get_memsize = nbio_v2_3_get_memsize, + .sdma_doorbell_range = nbio_v2_3_sdma_doorbell_range, + .vcn_doorbell_range = nbio_v2_3_vcn_doorbell_range, + .enable_doorbell_aperture = nbio_v2_3_enable_doorbell_aperture, + .enable_doorbell_selfring_aperture = nbio_v2_3_enable_doorbell_selfring_aperture, + .ih_doorbell_range = nbio_v2_3_ih_doorbell_range, + .update_medium_grain_clock_gating = nbio_v2_3_update_medium_grain_clock_gating, + .update_medium_grain_light_sleep = nbio_v2_3_update_medium_grain_light_sleep, + .get_clockgating_state = nbio_v2_3_get_clockgating_state, + .ih_control = nbio_v2_3_ih_control, + .init_registers = nbio_v2_3_init_registers, + .remap_hdp_registers = nbio_v2_3_remap_hdp_registers, + .enable_aspm = nbio_v2_3_enable_aspm, + .program_aspm = nbio_v2_3_program_aspm, + .apply_lc_spc_mode_wa = nbio_v2_3_apply_lc_spc_mode_wa, + .apply_l1_link_width_reconfig_wa = nbio_v2_3_apply_l1_link_width_reconfig_wa, + .clear_doorbell_interrupt = nbio_v2_3_clear_doorbell_interrupt, +}; 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