| Soby Mathew | c228956 | 2018-01-15 14:43:42 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <assert.h> |
| 8 | #include <debug.h> |
| 9 | #include <desc_image_load.h> |
| 10 | #include <platform.h> |
| 11 | #include <platform_def.h> |
| 12 | #include <string.h> |
| 13 | #include <tbbr_img_def.h> |
| 14 | |
| 15 | #if LOAD_IMAGE_V2 |
| 16 | |
| 17 | /* |
| 18 | * Helper function to load TB_FW_CONFIG and populate the load information to |
| 19 | * arg0 of BL2 entrypoint info. |
| 20 | */ |
| 21 | void arm_load_tb_fw_config(void) |
| 22 | { |
| 23 | int err; |
| 24 | uintptr_t config_base = 0; |
| 25 | image_desc_t *image_desc; |
| 26 | |
| 27 | image_desc_t arm_tb_fw_info = { |
| 28 | .image_id = TB_FW_CONFIG_ID, |
| 29 | SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY, |
| 30 | VERSION_2, image_info_t, 0), |
| 31 | .image_info.image_base = ARM_TB_FW_CONFIG_BASE, |
| 32 | .image_info.image_max_size = ARM_TB_FW_CONFIG_LIMIT - ARM_TB_FW_CONFIG_BASE, |
| 33 | }; |
| 34 | |
| 35 | VERBOSE("BL1: Loading TB_FW_CONFIG\n"); |
| 36 | err = load_auth_image(TB_FW_CONFIG_ID, &arm_tb_fw_info.image_info); |
| 37 | if (err) { |
| 38 | /* Return if TB_FW_CONFIG is not loaded */ |
| 39 | VERBOSE("Failed to load TB_FW_CONFIG\n"); |
| 40 | return; |
| 41 | } |
| 42 | |
| 43 | config_base = arm_tb_fw_info.image_info.image_base; |
| 44 | |
| 45 | /* The BL2 ep_info arg0 is modified to point to TB_FW_CONFIG */ |
| 46 | image_desc = bl1_plat_get_image_desc(BL2_IMAGE_ID); |
| 47 | assert(image_desc); |
| 48 | image_desc->ep_info.args.arg0 = config_base; |
| 49 | |
| 50 | INFO("BL1: TB_FW_CONFIG loaded at address = %p\n", |
| 51 | (void *) config_base); |
| 52 | } |
| 53 | |
| 54 | #endif /* LOAD_IMAGE_V2 */ |