| /* |
| * Copyright (c) 2024, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <stdint.h> |
| |
| #include <common/debug.h> |
| #include <drivers/arm/rss_comms.h> |
| #include <drivers/measured_boot/metadata.h> |
| #include <drivers/measured_boot/rss/dice_prot_env.h> |
| #include <plat/arm/common/plat_arm.h> |
| #include <plat/common/platform.h> |
| #include <platform_def.h> |
| #include <tools_share/zero_oid.h> |
| |
| struct dpe_metadata tc_dpe_metadata[] = { |
| { |
| .id = FW_CONFIG_ID, |
| .signer_id_size = SIGNER_ID_MIN_SIZE, |
| .sw_type = MBOOT_FW_CONFIG_STRING, |
| .allow_new_context_to_derive = false, |
| .retain_parent_context = true, |
| .create_certificate = false, |
| .pk_oid = ZERO_OID }, |
| { |
| .id = TB_FW_CONFIG_ID, |
| .signer_id_size = SIGNER_ID_MIN_SIZE, |
| .sw_type = MBOOT_TB_FW_CONFIG_STRING, |
| .allow_new_context_to_derive = false, |
| .retain_parent_context = true, |
| .create_certificate = false, |
| .pk_oid = ZERO_OID }, |
| { |
| .id = BL2_IMAGE_ID, |
| .signer_id_size = SIGNER_ID_MIN_SIZE, |
| .sw_type = MBOOT_BL2_IMAGE_STRING, |
| .allow_new_context_to_derive = true, |
| .retain_parent_context = false, |
| .create_certificate = false, |
| .pk_oid = ZERO_OID }, |
| { |
| .id = DPE_INVALID_ID } |
| }; |
| |
| /* Context handle is meant to be used by BL2. Sharing it via TB_FW_CONFIG */ |
| static int new_ctx_handle; |
| |
| void plat_dpe_share_context_handle(int *ctx_handle) |
| { |
| new_ctx_handle = *ctx_handle; |
| } |
| |
| void bl1_plat_mboot_init(void) |
| { |
| /* Initialize the communication channel between AP and RSS */ |
| (void)rss_comms_init(PLAT_RSS_AP_SND_MHU_BASE, |
| PLAT_RSS_AP_RCV_MHU_BASE); |
| |
| dpe_init(tc_dpe_metadata); |
| } |
| |
| void bl1_plat_mboot_finish(void) |
| { |
| int rc; |
| |
| VERBOSE("Share DPE context handle with BL2: 0x%x\n", new_ctx_handle); |
| rc = arm_set_tb_fw_info(&new_ctx_handle); |
| if (rc != 0) { |
| ERROR("Unable to set DPE context handle in TB_FW_CONFIG\n"); |
| /* |
| * It is a fatal error because on TC platform, BL2 software |
| * assumes that a valid DPE context_handle is passed through |
| * the DTB object by BL1. |
| */ |
| plat_panic_handler(); |
| } |
| } |