269 lines
7.4 KiB
C
269 lines
7.4 KiB
C
/*
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* Copyright (c) 2019-2020, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <common/debug.h>
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#include <common/fdt_wrappers.h>
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#include <drivers/io/io_storage.h>
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#include <lib/object_pool.h>
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#include <libfdt.h>
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#include <tools_share/firmware_image_package.h>
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#include <plat/arm/common/arm_fconf_getter.h>
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#include <plat/arm/common/arm_fconf_io_storage.h>
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#include <platform_def.h>
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const io_block_spec_t fip_block_spec = {
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.offset = PLAT_ARM_FIP_BASE,
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.length = PLAT_ARM_FIP_MAX_SIZE
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};
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const io_uuid_spec_t arm_uuid_spec[MAX_NUMBER_IDS] = {
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[BL2_IMAGE_ID] = {UUID_TRUSTED_BOOT_FIRMWARE_BL2},
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[TB_FW_CONFIG_ID] = {UUID_TB_FW_CONFIG},
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#if !ARM_IO_IN_DTB
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[SCP_BL2_IMAGE_ID] = {UUID_SCP_FIRMWARE_SCP_BL2},
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[BL31_IMAGE_ID] = {UUID_EL3_RUNTIME_FIRMWARE_BL31},
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[BL32_IMAGE_ID] = {UUID_SECURE_PAYLOAD_BL32},
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[BL32_EXTRA1_IMAGE_ID] = {UUID_SECURE_PAYLOAD_BL32_EXTRA1},
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[BL32_EXTRA2_IMAGE_ID] = {UUID_SECURE_PAYLOAD_BL32_EXTRA2},
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[BL33_IMAGE_ID] = {UUID_NON_TRUSTED_FIRMWARE_BL33},
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[HW_CONFIG_ID] = {UUID_HW_CONFIG},
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[SOC_FW_CONFIG_ID] = {UUID_SOC_FW_CONFIG},
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[TOS_FW_CONFIG_ID] = {UUID_TOS_FW_CONFIG},
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[NT_FW_CONFIG_ID] = {UUID_NT_FW_CONFIG},
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#endif /* ARM_IO_IN_DTB */
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#if TRUSTED_BOARD_BOOT
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[TRUSTED_BOOT_FW_CERT_ID] = {UUID_TRUSTED_BOOT_FW_CERT},
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#if !ARM_IO_IN_DTB
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[TRUSTED_KEY_CERT_ID] = {UUID_TRUSTED_KEY_CERT},
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[SCP_FW_KEY_CERT_ID] = {UUID_SCP_FW_KEY_CERT},
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[SOC_FW_KEY_CERT_ID] = {UUID_SOC_FW_KEY_CERT},
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[TRUSTED_OS_FW_KEY_CERT_ID] = {UUID_TRUSTED_OS_FW_KEY_CERT},
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[NON_TRUSTED_FW_KEY_CERT_ID] = {UUID_NON_TRUSTED_FW_KEY_CERT},
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[SCP_FW_CONTENT_CERT_ID] = {UUID_SCP_FW_CONTENT_CERT},
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[SOC_FW_CONTENT_CERT_ID] = {UUID_SOC_FW_CONTENT_CERT},
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[TRUSTED_OS_FW_CONTENT_CERT_ID] = {UUID_TRUSTED_OS_FW_CONTENT_CERT},
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[NON_TRUSTED_FW_CONTENT_CERT_ID] = {UUID_NON_TRUSTED_FW_CONTENT_CERT},
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#endif /* ARM_IO_IN_DTB */
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#endif /* TRUSTED_BOARD_BOOT */
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};
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/* By default, ARM platforms load images from the FIP */
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struct plat_io_policy policies[MAX_NUMBER_IDS] = {
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[FIP_IMAGE_ID] = {
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&memmap_dev_handle,
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(uintptr_t)&fip_block_spec,
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open_memmap
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},
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[BL2_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[BL2_IMAGE_ID],
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open_fip
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},
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[TB_FW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[TB_FW_CONFIG_ID],
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open_fip
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},
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#if !ARM_IO_IN_DTB
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[SCP_BL2_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[SCP_BL2_IMAGE_ID],
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open_fip
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},
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[BL31_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[BL31_IMAGE_ID],
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open_fip
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},
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[BL32_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[BL32_IMAGE_ID],
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open_fip
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},
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[BL32_EXTRA1_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[BL32_EXTRA1_IMAGE_ID],
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open_fip
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},
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[BL32_EXTRA2_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[BL32_EXTRA2_IMAGE_ID],
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open_fip
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},
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[BL33_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[BL33_IMAGE_ID],
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open_fip
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},
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[HW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[HW_CONFIG_ID],
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open_fip
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},
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[SOC_FW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[SOC_FW_CONFIG_ID],
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open_fip
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},
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[TOS_FW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[TOS_FW_CONFIG_ID],
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open_fip
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},
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[NT_FW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[NT_FW_CONFIG_ID],
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open_fip
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},
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#endif /* ARM_IO_IN_DTB */
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#if TRUSTED_BOARD_BOOT
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[TRUSTED_BOOT_FW_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[TRUSTED_BOOT_FW_CERT_ID],
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open_fip
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},
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#if !ARM_IO_IN_DTB
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[TRUSTED_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[TRUSTED_KEY_CERT_ID],
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open_fip
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},
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[SCP_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[SCP_FW_KEY_CERT_ID],
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open_fip
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},
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[SOC_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[SOC_FW_KEY_CERT_ID],
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open_fip
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},
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[TRUSTED_OS_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[TRUSTED_OS_FW_KEY_CERT_ID],
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open_fip
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},
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[NON_TRUSTED_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[NON_TRUSTED_FW_KEY_CERT_ID],
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open_fip
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},
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[SCP_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[SCP_FW_CONTENT_CERT_ID],
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open_fip
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},
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[SOC_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[SOC_FW_CONTENT_CERT_ID],
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open_fip
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},
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[TRUSTED_OS_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[TRUSTED_OS_FW_CONTENT_CERT_ID],
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open_fip
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},
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[NON_TRUSTED_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&arm_uuid_spec[NON_TRUSTED_FW_CONTENT_CERT_ID],
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open_fip
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},
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#endif /* ARM_IO_IN_DTB */
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#endif /* TRUSTED_BOARD_BOOT */
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};
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#ifdef IMAGE_BL2
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#if TRUSTED_BOARD_BOOT
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#define FCONF_ARM_IO_UUID_NUMBER U(19)
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#else
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#define FCONF_ARM_IO_UUID_NUMBER U(10)
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#endif
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static io_uuid_spec_t fconf_arm_uuids[FCONF_ARM_IO_UUID_NUMBER];
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static OBJECT_POOL_ARRAY(fconf_arm_uuids_pool, fconf_arm_uuids);
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struct policies_load_info {
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unsigned int image_id;
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const char *name;
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};
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/* image id to property name table */
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static const struct policies_load_info load_info[FCONF_ARM_IO_UUID_NUMBER] = {
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{SCP_BL2_IMAGE_ID, "scp_bl2_uuid"},
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{BL31_IMAGE_ID, "bl31_uuid"},
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{BL32_IMAGE_ID, "bl32_uuid"},
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{BL32_EXTRA1_IMAGE_ID, "bl32_extra1_uuid"},
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{BL32_EXTRA2_IMAGE_ID, "bl32_extra2_uuid"},
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{BL33_IMAGE_ID, "bl33_uuid"},
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{HW_CONFIG_ID, "hw_cfg_uuid"},
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{SOC_FW_CONFIG_ID, "soc_fw_cfg_uuid"},
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{TOS_FW_CONFIG_ID, "tos_fw_cfg_uuid"},
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{NT_FW_CONFIG_ID, "nt_fw_cfg_uuid"},
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#if TRUSTED_BOARD_BOOT
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{TRUSTED_KEY_CERT_ID, "t_key_cert_uuid"},
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{SCP_FW_KEY_CERT_ID, "scp_fw_key_uuid"},
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{SOC_FW_KEY_CERT_ID, "soc_fw_key_uuid"},
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{TRUSTED_OS_FW_KEY_CERT_ID, "tos_fw_key_cert_uuid"},
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{NON_TRUSTED_FW_KEY_CERT_ID, "nt_fw_key_cert_uuid"},
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{SCP_FW_CONTENT_CERT_ID, "scp_fw_content_cert_uuid"},
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{SOC_FW_CONTENT_CERT_ID, "soc_fw_content_cert_uuid"},
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{TRUSTED_OS_FW_CONTENT_CERT_ID, "tos_fw_content_cert_uuid"},
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{NON_TRUSTED_FW_CONTENT_CERT_ID, "nt_fw_content_cert_uuid"},
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#endif /* TRUSTED_BOARD_BOOT */
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};
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int fconf_populate_arm_io_policies(uintptr_t config)
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{
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int err, node;
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unsigned int i;
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union uuid_helper_t uuid_helper;
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io_uuid_spec_t *uuid_ptr;
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/* As libfdt uses void *, we can't avoid this cast */
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const void *dtb = (void *)config;
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/* Assert the node offset point to "arm,io-fip-handle" compatible property */
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const char *compatible_str = "arm,io-fip-handle";
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node = fdt_node_offset_by_compatible(dtb, -1, compatible_str);
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if (node < 0) {
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ERROR("FCONF: Can't find %s compatible in dtb\n", compatible_str);
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return node;
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}
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/* Locate the uuid cells and read the value for all the load info uuid */
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for (i = 0; i < FCONF_ARM_IO_UUID_NUMBER; i++) {
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uuid_ptr = pool_alloc(&fconf_arm_uuids_pool);
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err = fdt_read_uint32_array(dtb, node, load_info[i].name,
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4, uuid_helper.word);
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if (err < 0) {
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WARN("FCONF: Read cell failed for %s\n", load_info[i].name);
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return err;
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}
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VERBOSE("FCONF: arm-io_policies.%s cell found with value = 0x%x 0x%x 0x%x 0x%x\n",
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load_info[i].name,
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uuid_helper.word[0], uuid_helper.word[1],
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uuid_helper.word[2], uuid_helper.word[3]);
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uuid_ptr->uuid = uuid_helper.uuid_struct;
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policies[load_info[i].image_id].image_spec = (uintptr_t)uuid_ptr;
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policies[load_info[i].image_id].dev_handle = &fip_dev_handle;
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policies[load_info[i].image_id].check = open_fip;
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}
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return 0;
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}
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#if ARM_IO_IN_DTB
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FCONF_REGISTER_POPULATOR(TB_FW, arm_io, fconf_populate_arm_io_policies);
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#endif /* ARM_IO_IN_DTB */
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#endif /* IMAGE_BL2 */
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