diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v13_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 126 |
1 files changed, 93 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index c8949add88f3..47a500f64db2 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -35,6 +35,12 @@ MODULE_FIRMWARE("amdgpu/yellow_carp_asd.bin"); MODULE_FIRMWARE("amdgpu/yellow_carp_toc.bin"); MODULE_FIRMWARE("amdgpu/yellow_carp_ta.bin"); +/* For large FW files the time to complete can be very long */ +#define USBC_PD_POLLING_LIMIT_S 240 + +/* Read USB-PD from LFB */ +#define GFX_CMD_USB_PD_USE_LFB 0x480 + static int psp_v13_0_init_microcode(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; @@ -111,7 +117,9 @@ static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) return ret; } -static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp) +static int psp_v13_0_bootloader_load_component(struct psp_context *psp, + struct psp_bin_desc *bin_desc, + enum psp_bootloader_cmd bl_cmd) { int ret; uint32_t psp_gfxdrv_command_reg = 0; @@ -130,12 +138,12 @@ static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp) memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy PSP KDB binary to memory */ - memcpy(psp->fw_pri_buf, psp->kdb_start_addr, psp->kdb_bin_size); + memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes); /* Provide the PSP KDB to bootloader */ WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, (uint32_t)(psp->fw_pri_mc_addr >> 20)); - psp_gfxdrv_command_reg = PSP_BL__LOAD_KEY_DATABASE; + psp_gfxdrv_command_reg = bl_cmd; WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, psp_gfxdrv_command_reg); @@ -144,40 +152,29 @@ static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp) return ret; } -static int psp_v13_0_bootloader_load_sysdrv(struct psp_context *psp) +static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp) { - int ret; - uint32_t psp_gfxdrv_command_reg = 0; - struct amdgpu_device *adev = psp->adev; - - /* Check sOS sign of life register to confirm sys driver and sOS - * are already been loaded. - */ - if (psp_v13_0_is_sos_alive(psp)) - return 0; - - ret = psp_v13_0_wait_for_bootloader(psp); - 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); + return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE); +} - /* Provide the sys driver to bootloader */ - WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, - (uint32_t)(psp->fw_pri_mc_addr >> 20)); - psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV; - WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, - psp_gfxdrv_command_reg); +static int psp_v13_0_bootloader_load_sysdrv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV); +} - /* there might be handshake issue with hardware which needs delay */ - mdelay(20); +static int psp_v13_0_bootloader_load_soc_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV); +} - ret = psp_v13_0_wait_for_bootloader(psp); +static int psp_v13_0_bootloader_load_intf_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV); +} - return ret; +static int psp_v13_0_bootloader_load_dbg_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_DBGDRV); } static int psp_v13_0_bootloader_load_sos(struct psp_context *psp) @@ -199,7 +196,7 @@ static int psp_v13_0_bootloader_load_sos(struct psp_context *psp) 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); + memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes); /* Provide the PSP secure OS to bootloader */ WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, @@ -382,10 +379,71 @@ static void psp_v13_0_ring_set_wptr(struct psp_context *psp, uint32_t value) WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value); } +static int psp_v13_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t reg_status; + int ret, i = 0; + + /* + * LFB address which is aligned to 1MB address and has to be + * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P + * register + */ + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20)); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret) + return ret; + + /* Fireup interrupt so PSP can pick up the address */ + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16)); + + /* FW load takes very long time */ + do { + msleep(1000); + reg_status = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35); + + if (reg_status & 0x80000000) + goto done; + + } while (++i < USBC_PD_POLLING_LIMIT_S); + + return -ETIME; +done: + + if ((reg_status & 0xFFFF) != 0) { + DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = %04x\n", + reg_status & 0xFFFF); + return -EIO; + } + + return 0; +} + +static int psp_v13_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver) +{ + struct amdgpu_device *adev = psp->adev; + int ret; + + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (!ret) + *fw_ver = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36); + + return ret; +} + static const struct psp_funcs psp_v13_0_funcs = { .init_microcode = psp_v13_0_init_microcode, .bootloader_load_kdb = psp_v13_0_bootloader_load_kdb, .bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv, + .bootloader_load_soc_drv = psp_v13_0_bootloader_load_soc_drv, + .bootloader_load_intf_drv = psp_v13_0_bootloader_load_intf_drv, + .bootloader_load_dbg_drv = psp_v13_0_bootloader_load_dbg_drv, .bootloader_load_sos = psp_v13_0_bootloader_load_sos, .ring_init = psp_v13_0_ring_init, .ring_create = psp_v13_0_ring_create, @@ -393,6 +451,8 @@ static const struct psp_funcs psp_v13_0_funcs = { .ring_destroy = psp_v13_0_ring_destroy, .ring_get_wptr = psp_v13_0_ring_get_wptr, .ring_set_wptr = psp_v13_0_ring_set_wptr, + .load_usbc_pd_fw = psp_v13_0_load_usbc_pd_fw, + .read_usbc_pd_fw = psp_v13_0_read_usbc_pd_fw }; void psp_v13_0_set_psp_funcs(struct psp_context *psp) |