/* * Copyright 2016 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #include "amdgpu.h" #include "amdgpu_atombios.h" #include "nbio_v6_1.h" #include "nbio/nbio_6_1_default.h" #include "nbio/nbio_6_1_offset.h" #include "nbio/nbio_6_1_sh_mask.h" #include "nbio/nbio_6_1_smn.h" #include "vega10_enum.h" #include #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 0x1013a05c #define NBIF_MGCG_CTRL_LCLK__NBIF_MGCG_REG_DIS_LCLK_MASK 0x00001000L #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_EP_DEV0_0_EP_PCIE_TX_LTR_CNTL 0x10123530 #define smnBIF_CFG_DEV0_EPF0_DEVICE_CNTL2 0x1014008c #define smnBIF_CFG_DEV0_EPF0_PCIE_LTR_CAP 0x10140324 #define smnPSWUSP0_PCIE_LC_CNTL2 0x111402c4 #define smnRCC_BIF_STRAP2 0x10123488 #define smnRCC_BIF_STRAP3 0x1012348c #define smnRCC_BIF_STRAP5 0x10123494 #define BIF_CFG_DEV0_EPF0_DEVICE_CNTL2__LTR_EN_MASK 0x0400L #define RCC_BIF_STRAP5__STRAP_VLINK_LDN_ENTRY_TIMER_MASK 0x0000FFFFL #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 static void nbio_v6_1_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_v6_1_get_rev_id(struct amdgpu_device *adev) { u32 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_v6_1_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_v6_1_get_memsize(struct amdgpu_device *adev) { return RREG32_SOC15(NBIO, 0, mmRCC_PF_0_0_RCC_CONFIG_MEMSIZE); } static void nbio_v6_1_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) : SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_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_v6_1_enable_doorbell_aperture(struct amdgpu_device *adev, bool enable) { WREG32_FIELD15(NBIO, 0, RCC_PF_0_0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0); } static void nbio_v6_1_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, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW, lower_32_bits(adev->doorbell.base)); WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH, upper_32_bits(adev->doorbell.base)); } WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, tmp); } static void nbio_v6_1_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, 6); } 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_v6_1_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_v6_1_update_medium_grain_clock_gating(struct amdgpu_device *adev, bool enable) { uint32_t def, data; def = data = RREG32_PCIE(smnCPM_CONTROL); if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) { data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | CPM_CONTROL__TXCLK_PERM_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_PERM_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_v6_1_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_v6_1_get_clockgating_state(struct amdgpu_device *adev, u32 *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_v6_1_get_hdp_flush_req_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_REQ); } static u32 nbio_v6_1_get_hdp_flush_done_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_DONE); } static u32 nbio_v6_1_get_pcie_index_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX2); } static u32 nbio_v6_1_get_pcie_data_offset(struct amdgpu_device *adev) { return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA2); } const struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg = { .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK, .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK, .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK, .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK, .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK, .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK, .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK, .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK, .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK, .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK, .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK, .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK }; static void nbio_v6_1_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); def = data = RREG32_PCIE(smnPCIE_CI_CNTL); data = REG_SET_FIELD(data, PCIE_CI_CNTL, CI_SLV_ORDERING_DIS, 1); if (def != data) WREG32_PCIE(smnPCIE_CI_CNTL, data); } #ifdef CONFIG_PCIEASPM static void nbio_v6_1_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_v6_1_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_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_v6_1_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_v6_1_funcs = { .get_hdp_flush_req_offset = nbio_v6_1_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v6_1_get_hdp_flush_done_offset, .get_pcie_index_offset = nbio_v6_1_get_pcie_index_offset, .get_pcie_data_offset = nbio_v6_1_get_pcie_data_offset, .get_rev_id = nbio_v6_1_get_rev_id, .mc_access_enable = nbio_v6_1_mc_access_enable, .get_memsize = nbio_v6_1_get_memsize, .sdma_doorbell_range = nbio_v6_1_sdma_doorbell_range, .enable_doorbell_aperture = nbio_v6_1_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v6_1_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v6_1_ih_doorbell_range, .update_medium_grain_clock_gating = nbio_v6_1_update_medium_grain_clock_gating, .update_medium_grain_light_sleep = nbio_v6_1_update_medium_grain_light_sleep, .get_clockgating_state = nbio_v6_1_get_clockgating_state, .ih_control = nbio_v6_1_ih_control, .init_registers = nbio_v6_1_init_registers, .remap_hdp_registers = nbio_v6_1_remap_hdp_registers, .program_aspm = nbio_v6_1_program_aspm, };