| /* |
| * Copyright (c) 2019-2020, ARM Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <assert.h> |
| |
| #include <common/debug.h> |
| #include <common/fdt_wrappers.h> |
| #include <drivers/io/io_storage.h> |
| #include <lib/object_pool.h> |
| #include <libfdt.h> |
| #include <tools_share/firmware_image_package.h> |
| |
| #include <plat/arm/common/arm_fconf_getter.h> |
| #include <plat/arm/common/arm_fconf_io_storage.h> |
| #include <platform_def.h> |
| |
| const io_block_spec_t fip_block_spec = { |
| .offset = PLAT_ARM_FIP_BASE, |
| .length = PLAT_ARM_FIP_MAX_SIZE |
| }; |
| |
| const io_uuid_spec_t arm_uuid_spec[MAX_NUMBER_IDS] = { |
| [BL2_IMAGE_ID] = {UUID_TRUSTED_BOOT_FIRMWARE_BL2}, |
| [TB_FW_CONFIG_ID] = {UUID_TB_FW_CONFIG}, |
| [FW_CONFIG_ID] = {UUID_FW_CONFIG}, |
| #if !ARM_IO_IN_DTB |
| [SCP_BL2_IMAGE_ID] = {UUID_SCP_FIRMWARE_SCP_BL2}, |
| [BL31_IMAGE_ID] = {UUID_EL3_RUNTIME_FIRMWARE_BL31}, |
| [BL32_IMAGE_ID] = {UUID_SECURE_PAYLOAD_BL32}, |
| [BL32_EXTRA1_IMAGE_ID] = {UUID_SECURE_PAYLOAD_BL32_EXTRA1}, |
| [BL32_EXTRA2_IMAGE_ID] = {UUID_SECURE_PAYLOAD_BL32_EXTRA2}, |
| [BL33_IMAGE_ID] = {UUID_NON_TRUSTED_FIRMWARE_BL33}, |
| [HW_CONFIG_ID] = {UUID_HW_CONFIG}, |
| [SOC_FW_CONFIG_ID] = {UUID_SOC_FW_CONFIG}, |
| [TOS_FW_CONFIG_ID] = {UUID_TOS_FW_CONFIG}, |
| [NT_FW_CONFIG_ID] = {UUID_NT_FW_CONFIG}, |
| #endif /* ARM_IO_IN_DTB */ |
| #if TRUSTED_BOARD_BOOT |
| [TRUSTED_BOOT_FW_CERT_ID] = {UUID_TRUSTED_BOOT_FW_CERT}, |
| #if !ARM_IO_IN_DTB |
| [TRUSTED_KEY_CERT_ID] = {UUID_TRUSTED_KEY_CERT}, |
| [SCP_FW_KEY_CERT_ID] = {UUID_SCP_FW_KEY_CERT}, |
| [SOC_FW_KEY_CERT_ID] = {UUID_SOC_FW_KEY_CERT}, |
| [TRUSTED_OS_FW_KEY_CERT_ID] = {UUID_TRUSTED_OS_FW_KEY_CERT}, |
| [NON_TRUSTED_FW_KEY_CERT_ID] = {UUID_NON_TRUSTED_FW_KEY_CERT}, |
| [SCP_FW_CONTENT_CERT_ID] = {UUID_SCP_FW_CONTENT_CERT}, |
| [SOC_FW_CONTENT_CERT_ID] = {UUID_SOC_FW_CONTENT_CERT}, |
| [TRUSTED_OS_FW_CONTENT_CERT_ID] = {UUID_TRUSTED_OS_FW_CONTENT_CERT}, |
| [NON_TRUSTED_FW_CONTENT_CERT_ID] = {UUID_NON_TRUSTED_FW_CONTENT_CERT}, |
| #if defined(SPD_spmd) |
| [SIP_SP_CONTENT_CERT_ID] = {UUID_SIP_SECURE_PARTITION_CONTENT_CERT}, |
| [PLAT_SP_CONTENT_CERT_ID] = {UUID_PLAT_SECURE_PARTITION_CONTENT_CERT}, |
| #endif |
| #endif /* ARM_IO_IN_DTB */ |
| #endif /* TRUSTED_BOARD_BOOT */ |
| }; |
| |
| /* By default, ARM platforms load images from the FIP */ |
| struct plat_io_policy policies[MAX_NUMBER_IDS] = { |
| [FIP_IMAGE_ID] = { |
| &memmap_dev_handle, |
| (uintptr_t)&fip_block_spec, |
| open_memmap |
| }, |
| [BL2_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[BL2_IMAGE_ID], |
| open_fip |
| }, |
| [TB_FW_CONFIG_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[TB_FW_CONFIG_ID], |
| open_fip |
| }, |
| [FW_CONFIG_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[FW_CONFIG_ID], |
| open_fip |
| }, |
| #if !ARM_IO_IN_DTB |
| [SCP_BL2_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SCP_BL2_IMAGE_ID], |
| open_fip |
| }, |
| [BL31_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[BL31_IMAGE_ID], |
| open_fip |
| }, |
| [BL32_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[BL32_IMAGE_ID], |
| open_fip |
| }, |
| [BL32_EXTRA1_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[BL32_EXTRA1_IMAGE_ID], |
| open_fip |
| }, |
| [BL32_EXTRA2_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[BL32_EXTRA2_IMAGE_ID], |
| open_fip |
| }, |
| [BL33_IMAGE_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[BL33_IMAGE_ID], |
| open_fip |
| }, |
| [HW_CONFIG_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[HW_CONFIG_ID], |
| open_fip |
| }, |
| [SOC_FW_CONFIG_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SOC_FW_CONFIG_ID], |
| open_fip |
| }, |
| [TOS_FW_CONFIG_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[TOS_FW_CONFIG_ID], |
| open_fip |
| }, |
| [NT_FW_CONFIG_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[NT_FW_CONFIG_ID], |
| open_fip |
| }, |
| #endif /* ARM_IO_IN_DTB */ |
| #if TRUSTED_BOARD_BOOT |
| [TRUSTED_BOOT_FW_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[TRUSTED_BOOT_FW_CERT_ID], |
| open_fip |
| }, |
| #if !ARM_IO_IN_DTB |
| [TRUSTED_KEY_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[TRUSTED_KEY_CERT_ID], |
| open_fip |
| }, |
| [SCP_FW_KEY_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SCP_FW_KEY_CERT_ID], |
| open_fip |
| }, |
| [SOC_FW_KEY_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SOC_FW_KEY_CERT_ID], |
| open_fip |
| }, |
| [TRUSTED_OS_FW_KEY_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[TRUSTED_OS_FW_KEY_CERT_ID], |
| open_fip |
| }, |
| [NON_TRUSTED_FW_KEY_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[NON_TRUSTED_FW_KEY_CERT_ID], |
| open_fip |
| }, |
| [SCP_FW_CONTENT_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SCP_FW_CONTENT_CERT_ID], |
| open_fip |
| }, |
| [SOC_FW_CONTENT_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SOC_FW_CONTENT_CERT_ID], |
| open_fip |
| }, |
| [TRUSTED_OS_FW_CONTENT_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[TRUSTED_OS_FW_CONTENT_CERT_ID], |
| open_fip |
| }, |
| [NON_TRUSTED_FW_CONTENT_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[NON_TRUSTED_FW_CONTENT_CERT_ID], |
| open_fip |
| }, |
| #if defined(SPD_spmd) |
| [SIP_SP_CONTENT_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[SIP_SP_CONTENT_CERT_ID], |
| open_fip |
| }, |
| [PLAT_SP_CONTENT_CERT_ID] = { |
| &fip_dev_handle, |
| (uintptr_t)&arm_uuid_spec[PLAT_SP_CONTENT_CERT_ID], |
| open_fip |
| }, |
| #endif |
| #endif /* ARM_IO_IN_DTB */ |
| #endif /* TRUSTED_BOARD_BOOT */ |
| }; |
| |
| #ifdef IMAGE_BL2 |
| |
| #if TRUSTED_BOARD_BOOT |
| #define FCONF_ARM_IO_UUID_NUMBER U(21) |
| #else |
| #define FCONF_ARM_IO_UUID_NUMBER U(10) |
| #endif |
| |
| static io_uuid_spec_t fconf_arm_uuids[FCONF_ARM_IO_UUID_NUMBER]; |
| static OBJECT_POOL_ARRAY(fconf_arm_uuids_pool, fconf_arm_uuids); |
| |
| struct policies_load_info { |
| unsigned int image_id; |
| const char *name; |
| }; |
| |
| /* image id to property name table */ |
| static const struct policies_load_info load_info[FCONF_ARM_IO_UUID_NUMBER] = { |
| {SCP_BL2_IMAGE_ID, "scp_bl2_uuid"}, |
| {BL31_IMAGE_ID, "bl31_uuid"}, |
| {BL32_IMAGE_ID, "bl32_uuid"}, |
| {BL32_EXTRA1_IMAGE_ID, "bl32_extra1_uuid"}, |
| {BL32_EXTRA2_IMAGE_ID, "bl32_extra2_uuid"}, |
| {BL33_IMAGE_ID, "bl33_uuid"}, |
| {HW_CONFIG_ID, "hw_cfg_uuid"}, |
| {SOC_FW_CONFIG_ID, "soc_fw_cfg_uuid"}, |
| {TOS_FW_CONFIG_ID, "tos_fw_cfg_uuid"}, |
| {NT_FW_CONFIG_ID, "nt_fw_cfg_uuid"}, |
| #if TRUSTED_BOARD_BOOT |
| {TRUSTED_KEY_CERT_ID, "t_key_cert_uuid"}, |
| {SCP_FW_KEY_CERT_ID, "scp_fw_key_uuid"}, |
| {SOC_FW_KEY_CERT_ID, "soc_fw_key_uuid"}, |
| {TRUSTED_OS_FW_KEY_CERT_ID, "tos_fw_key_cert_uuid"}, |
| {NON_TRUSTED_FW_KEY_CERT_ID, "nt_fw_key_cert_uuid"}, |
| {SCP_FW_CONTENT_CERT_ID, "scp_fw_content_cert_uuid"}, |
| {SOC_FW_CONTENT_CERT_ID, "soc_fw_content_cert_uuid"}, |
| {TRUSTED_OS_FW_CONTENT_CERT_ID, "tos_fw_content_cert_uuid"}, |
| {NON_TRUSTED_FW_CONTENT_CERT_ID, "nt_fw_content_cert_uuid"}, |
| #if defined(SPD_spmd) |
| {SIP_SP_CONTENT_CERT_ID, "sip_sp_content_cert_uuid"}, |
| {PLAT_SP_CONTENT_CERT_ID, "plat_sp_content_cert_uuid"}, |
| #endif |
| #endif /* TRUSTED_BOARD_BOOT */ |
| }; |
| |
| int fconf_populate_arm_io_policies(uintptr_t config) |
| { |
| int err, node; |
| unsigned int i; |
| unsigned int j; |
| |
| union uuid_helper_t uuid_helper; |
| io_uuid_spec_t *uuid_ptr; |
| |
| /* As libfdt uses void *, we can't avoid this cast */ |
| const void *dtb = (void *)config; |
| |
| /* Assert the node offset point to "arm,io-fip-handle" compatible property */ |
| const char *compatible_str = "arm,io-fip-handle"; |
| node = fdt_node_offset_by_compatible(dtb, -1, compatible_str); |
| if (node < 0) { |
| ERROR("FCONF: Can't find %s compatible in dtb\n", compatible_str); |
| return node; |
| } |
| |
| /* Locate the uuid cells and read the value for all the load info uuid */ |
| for (i = 0; i < FCONF_ARM_IO_UUID_NUMBER; i++) { |
| uuid_ptr = pool_alloc(&fconf_arm_uuids_pool); |
| err = fdt_read_uint32_array(dtb, node, load_info[i].name, |
| 4, uuid_helper.word); |
| if (err < 0) { |
| WARN("FCONF: Read cell failed for %s\n", load_info[i].name); |
| return err; |
| } |
| |
| /* Convert uuid from big endian to little endian */ |
| for (j = 0U; j < 4U; j++) { |
| uuid_helper.word[j] = |
| ((uuid_helper.word[j] >> 24U) & 0xff) | |
| ((uuid_helper.word[j] << 8U) & 0xff0000) | |
| ((uuid_helper.word[j] >> 8U) & 0xff00) | |
| ((uuid_helper.word[j] << 24U) & 0xff000000); |
| } |
| |
| VERBOSE("FCONF: arm-io_policies.%s cell found with value = 0x%x 0x%x 0x%x 0x%x\n", |
| load_info[i].name, |
| uuid_helper.word[0], uuid_helper.word[1], |
| uuid_helper.word[2], uuid_helper.word[3]); |
| |
| uuid_ptr->uuid = uuid_helper.uuid_struct; |
| policies[load_info[i].image_id].image_spec = (uintptr_t)uuid_ptr; |
| policies[load_info[i].image_id].dev_handle = &fip_dev_handle; |
| policies[load_info[i].image_id].check = open_fip; |
| } |
| return 0; |
| } |
| |
| #if ARM_IO_IN_DTB |
| FCONF_REGISTER_POPULATOR(TB_FW, arm_io, fconf_populate_arm_io_policies); |
| #endif /* ARM_IO_IN_DTB */ |
| |
| #endif /* IMAGE_BL2 */ |