static int psp_v11_0_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; struct amdgpu_device *adev = psp->adev; /* Write the ring destroy command*/ if (psp_v11_0_support_vmr_ring(psp)) WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING); else WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_DESTROY_RINGS); /* there might be handshake issue with hardware which needs delay */ mdelay(20); /* Wait for response flag (bit 31) */ if (psp_v11_0_support_vmr_ring(psp)) ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101), 0x80000000, 0x80000000, false); else ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 0x80000000, 0x80000000, false); return ret; }
/** * vega10_ih_enable_interrupts - Enable the interrupt ring buffer * * @adev: amdgpu_device pointer * * Enable the interrupt ring buffer (VEGA10). */ static void vega10_ih_enable_interrupts(struct amdgpu_device *adev) { u32 ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1); WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); adev->irq.ih.enabled = true; if (adev->irq.ih1.ring_size) { ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1, RB_ENABLE, 1); WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); adev->irq.ih1.enabled = true; } if (adev->irq.ih2.ring_size) { ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2, RB_ENABLE, 1); WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl); adev->irq.ih2.enabled = true; } }
static int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; unsigned int psp_ring_reg = 0; struct psp_ring *ring = &psp->km_ring; struct amdgpu_device *adev = psp->adev; /* Write low address of the ring to C2PMSG_69 */ psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg); /* Write high address of the ring to C2PMSG_70 */ psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg); /* Write size of ring to C2PMSG_71 */ psp_ring_reg = ring->ring_size; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg); /* Write the ring initialization command to C2PMSG_64 */ psp_ring_reg = ring_type; psp_ring_reg = psp_ring_reg << 16; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); /* there might be handshake issue with hardware which needs delay */ mdelay(20); /* Wait for response flag (bit 31) in C2PMSG_64 */ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 0x80000000, 0x8000FFFF, false); return ret; }
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 void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v) { unsigned long flags; spin_lock_irqsave(&adev->se_cac_idx_lock, flags); WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg)); WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v)); spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags); }
/** * vega10_ih_irq_init - init and enable the interrupt ring * * @adev: amdgpu_device pointer * * Allocate a ring buffer for the interrupt controller, * enable the RLC, disable interrupts, enable the IH * ring buffer and enable it (VI). * Called at device load and reume. * Returns 0 for success, errors for failure. */ static int vega10_ih_irq_init(struct amdgpu_device *adev) { struct amdgpu_ih_ring *ih; u32 ih_rb_cntl; int ret = 0; u32 tmp; /* disable irqs */ vega10_ih_disable_interrupts(adev); adev->nbio_funcs->ih_control(adev); ih = &adev->irq.ih; /* Ring Buffer base. [39:8] of 40-bit address of the beginning of the ring buffer*/ WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE, ih->gpu_addr >> 8); WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI, (ih->gpu_addr >> 40) & 0xff); ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL); ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM, !!adev->irq.msi_enabled); WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); /* set the writeback address whether it's enabled or not */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO, lower_32_bits(ih->wptr_addr)); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_HI, upper_32_bits(ih->wptr_addr) & 0xFFFF); /* set rptr, wptr to 0 */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR, vega10_ih_doorbell_rptr(ih)); ih = &adev->irq.ih1; if (ih->ring_size) { WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_RING1, ih->gpu_addr >> 8); WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI_RING1, (ih->gpu_addr >> 40) & 0xff); ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1); ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, WPTR_OVERFLOW_ENABLE, 0); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_FULL_DRAIN_ENABLE, 1); WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl); /* set rptr, wptr to 0 */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0); WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING1, vega10_ih_doorbell_rptr(ih)); }
static int psp_v11_0_cmd_submit(struct psp_context *psp, struct amdgpu_firmware_info *ucode, uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr, int index) { unsigned int psp_write_ptr_reg = 0; struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem; struct psp_ring *ring = &psp->km_ring; struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem; struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start + ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1; struct amdgpu_device *adev = psp->adev; uint32_t ring_size_dw = ring->ring_size / 4; uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4; /* KM (GPCOM) prepare write pointer */ if (psp_v11_0_support_vmr_ring(psp)) psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102); else psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); /* Update KM RB frame pointer to new frame */ /* write_frame ptr increments by size of rb_frame in bytes */ /* psp_write_ptr_reg increments by size of rb_frame in DWORDs */ if ((psp_write_ptr_reg % ring_size_dw) == 0) write_frame = ring_buffer_start; else write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw); /* Check invalid write_frame ptr address */ if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) { DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n", ring_buffer_start, ring_buffer_end, write_frame); DRM_ERROR("write_frame is pointing to address out of bounds\n"); return -EINVAL; } /* Initialize KM RB frame */ memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame)); /* Update KM RB frame */ write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr); write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr); write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr); write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr); write_frame->fence_value = index; /* Update the write Pointer in DWORDs */ psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw; if (psp_v11_0_support_vmr_ring(psp)) { WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg); WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD); } else WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg); return 0; }
/** * vega10_ih_disable_interrupts - Disable the interrupt ring buffer * * @adev: amdgpu_device pointer * * Disable the interrupt ring buffer (VEGA10). */ static void vega10_ih_disable_interrupts(struct amdgpu_device *adev) { u32 ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0); ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); /* set rptr, wptr to 0 */ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0); WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0); adev->irq.ih.enabled = false; adev->irq.ih.rptr = 0; }
int psp_v10_0_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; struct psp_ring *ring; unsigned int psp_ring_reg = 0; struct amdgpu_device *adev = psp->adev; ring = &psp->km_ring; /* Write the ring destroy command to C2PMSG_64 */ psp_ring_reg = 3 << 16; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); /* There might be handshake issue with hardware which needs delay */ mdelay(20); /* Wait for response flag (bit 31) in C2PMSG_64 */ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 0x80000000, 0x80000000, false); amdgpu_bo_free_kernel(&adev->firmware.rbuf, &ring->ring_mem_mc_addr, (void **)&ring->ring_mem); return ret; }
int psp_v10_0_cmd_submit(struct psp_context *psp, struct amdgpu_firmware_info *ucode, uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr, int index) { unsigned int psp_write_ptr_reg = 0; struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem; struct psp_ring *ring = &psp->km_ring; struct amdgpu_device *adev = psp->adev; /* KM (GPCOM) prepare write pointer */ psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); /* Update KM RB frame pointer to new frame */ if ((psp_write_ptr_reg % ring->ring_size) == 0) write_frame = ring->ring_mem; else write_frame = ring->ring_mem + (psp_write_ptr_reg / (sizeof(struct psp_gfx_rb_frame) / 4)); /* Update KM RB frame */ write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr); write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr); write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr); write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr); write_frame->fence_value = index; /* Update the write Pointer in DWORDs */ psp_write_ptr_reg += sizeof(struct psp_gfx_rb_frame) / 4; psp_write_ptr_reg = (psp_write_ptr_reg >= ring->ring_size) ? 0 : psp_write_ptr_reg; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg); return 0; }
/** * gmc_v9_0_gart_enable - gart enable * * @adev: amdgpu_device pointer */ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) { int r; bool value; u32 tmp; amdgpu_device_program_register_sequence(adev, golden_settings_vega10_hdp, ARRAY_SIZE(golden_settings_vega10_hdp)); if (adev->gart.robj == NULL) { dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); return -EINVAL; } r = amdgpu_gart_table_vram_pin(adev); if (r) return r; switch (adev->asic_type) { case CHIP_RAVEN: mmhub_v1_0_initialize_power_gating(adev); mmhub_v1_0_update_power_gating(adev, true); break; default: break; } r = gfxhub_v1_0_gart_enable(adev); if (r) return r; r = mmhub_v1_0_gart_enable(adev); if (r) return r; WREG32_FIELD15(HDP, 0, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1); tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL); WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp); /* After HDP is initialized, flush HDP.*/ adev->nbio_funcs->hdp_flush(adev, NULL); if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) value = false; else value = true; gfxhub_v1_0_set_fault_enable_default(adev, value); mmhub_v1_0_set_fault_enable_default(adev, value); gmc_v9_0_flush_gpu_tlb(adev, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(adev->gmc.gart_size >> 20), (unsigned long long)adev->gart.table_addr); adev->gart.ready = true; return 0; }
static int smu10_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr, uint16_t msg) { struct amdgpu_device *adev = hwmgr->adev; WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg); return 0; }
/** * Reset Fan Speed Control to default mode. * @param hwmgr the address of the powerplay hardware manager. * @exception Should always succeed. */ int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) { struct amdgpu_device *adev = hwmgr->adev; if (!hwmgr->fan_ctrl_is_in_default_mode) { WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode)); WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), CG_FDO_CTRL2, TMIN, hwmgr->tmin << CG_FDO_CTRL2__TMIN__SHIFT)); hwmgr->fan_ctrl_is_in_default_mode = true; } return 0; }
static int smu10_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter) { struct amdgpu_device *adev = hwmgr->adev; smu10_wait_for_response(hwmgr); WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0); WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, parameter); smu10_send_msg_to_smc_without_waiting(hwmgr, msg); if (smu10_wait_for_response(hwmgr) == 0) printk("Failed to send Message %x.\n", msg); return 0; }
static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; uint32_t reg; reg = smnMP1_FIRMWARE_FLAGS | 0x03b00000; WREG32_SOC15(NBIO, 0, mmPCIE_INDEX2, reg); reg = RREG32_SOC15(NBIO, 0, mmPCIE_DATA2); return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false; }
static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg) { unsigned long flags; u32 r; spin_lock_irqsave(&adev->se_cac_idx_lock, flags); WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg)); r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA); spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags); return r; }
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, 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); }
/** * Set Fan Speed Control to static mode, * so that the user can decide what speed to use. * @param hwmgr the address of the powerplay hardware manager. * mode the fan control mode, 0 default, 1 by percent, 5, by RPM * @exception Should always succeed. */ int vega10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) { struct amdgpu_device *adev = hwmgr->adev; if (hwmgr->fan_ctrl_is_in_default_mode) { hwmgr->fan_ctrl_default_mode = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), CG_FDO_CTRL2, FDO_PWM_MODE); hwmgr->tmin = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), CG_FDO_CTRL2, TMIN); hwmgr->fan_ctrl_is_in_default_mode = false; } WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), CG_FDO_CTRL2, TMIN, 0)); WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), CG_FDO_CTRL2, FDO_PWM_MODE, mode)); return 0; }
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 int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp) { int ret; uint32_t psp_gfxdrv_command_reg = 0; struct amdgpu_device *adev = psp->adev; uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. */ sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); if (sol_reg) { psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58); printk("sos fw version = 0x%x.\n", psp->sos_fw_version); return 0; } /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 0x80000000, 0x80000000, false); if (ret) return ret; memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy PSP System Driver binary to memory */ memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size); /* Provide the sys driver to bootloader */ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, (uint32_t)(psp->fw_pri_mc_addr >> 20)); psp_gfxdrv_command_reg = 1 << 16; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, psp_gfxdrv_command_reg); /* there might be handshake issue with hardware which needs delay */ mdelay(20); ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 0x80000000, 0x80000000, false); return ret; }
static int psp_v3_1_bootloader_load_sos(struct psp_context *psp) { int ret; unsigned int psp_gfxdrv_command_reg = 0; struct amdgpu_device *adev = psp->adev; uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. */ sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); if (sol_reg) return 0; /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 0x80000000, 0x80000000, false); if (ret) return ret; memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy Secure OS binary to PSP memory */ memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size); /* Provide the PSP secure OS to bootrom */ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, (uint32_t)(psp->fw_pri_mc_addr >> 20)); psp_gfxdrv_command_reg = 2 << 16; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, psp_gfxdrv_command_reg); /* there might be handshake issue with hardware which needs delay */ mdelay(20); ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81), RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81), 0, true); return ret; }
static int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; struct psp_ring *ring; unsigned int psp_ring_reg = 0; struct amdgpu_device *adev = psp->adev; ring = &psp->km_ring; /* Write the ring destroy command to C2PMSG_64 */ psp_ring_reg = 3 << 16; WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); /* there might be handshake issue with hardware which needs delay */ mdelay(20); /* Wait for response flag (bit 31) in C2PMSG_64 */ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 0x80000000, 0x80000000, false); return ret; }