| Pankaj Gupta | 0476cb3 | 2020-12-09 14:02:40 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-2020 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include <assert.h> |
| 9 | |
| 10 | #include <common/bl_common.h> |
| 11 | #include <common/desc_image_load.h> |
| 12 | #include <lib/xlat_tables/xlat_tables_v2.h> |
| 13 | |
| 14 | #include "load_img.h" |
| 15 | |
| 16 | /****************************************************************************** |
| 17 | * This function can be used to load DDR PHY/FUSE Images |
| 18 | * |
| 19 | * @param [in] image_id Image ID to be loaded |
| 20 | * |
| 21 | * @param [in,out] image_base Location at which the image should be loaded |
| 22 | * In case image is prepended by a CSF header, |
| 23 | * image_base is pointer to actual image after |
| 24 | * the header |
| 25 | * |
| 26 | * @param [in,out] image_size User should pass the maximum size of the image |
| 27 | * possible.(Buffer size starting from image_base) |
| 28 | * Actual size of the image loaded is returned |
| 29 | * back. |
| 30 | *****************************************************************************/ |
| 31 | int load_img(unsigned int image_id, uintptr_t *image_base, |
| 32 | uint32_t *image_size) |
| 33 | { |
| 34 | int err = 0; |
| 35 | |
| 36 | image_desc_t img_info = { |
| 37 | .image_id = image_id, |
| 38 | SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY, |
| 39 | VERSION_2, image_info_t, 0), |
| 40 | #ifdef CSF_HEADER_PREPENDED |
| 41 | .image_info.image_base = *image_base - CSF_HDR_SZ, |
| 42 | .image_info.image_max_size = *image_size + CSF_HDR_SZ, |
| 43 | #else |
| 44 | .image_info.image_base = *image_base, |
| 45 | .image_info.image_max_size = *image_size, |
| 46 | #endif |
| 47 | }; |
| 48 | |
| 49 | /* Create MMU entry for the CSF header */ |
| 50 | #if PLAT_XLAT_TABLES_DYNAMIC |
| 51 | #ifdef CSF_HEADER_PREPENDED |
| 52 | mmap_add_dynamic_region(img_info.image_info.image_base, |
| 53 | img_info.image_info.image_base, |
| 54 | CSF_HDR_SZ, |
| 55 | MT_MEMORY | MT_RW | MT_SECURE); |
| 56 | #endif |
| 57 | #endif |
| 58 | |
| 59 | VERBOSE("BL2: Loading IMG %d\n", image_id); |
| 60 | err = load_auth_image(image_id, &img_info.image_info); |
| 61 | if (err != 0) { |
| 62 | VERBOSE("Failed to load IMG %d\n", image_id); |
| 63 | return err; |
| 64 | } |
| 65 | |
| 66 | #ifdef CSF_HEADER_PREPENDED |
| 67 | *image_base = img_info.image_info.image_base + CSF_HDR_SZ; |
| 68 | *image_size = img_info.image_info.image_size - CSF_HDR_SZ; |
| 69 | #if PLAT_XLAT_TABLES_DYNAMIC |
| 70 | mmap_remove_dynamic_region(img_info.image_info.image_base, |
| 71 | CSF_HDR_SZ); |
| 72 | #endif |
| 73 | #else |
| 74 | *image_base = img_info.image_info.image_base; |
| 75 | *image_size = img_info.image_info.image_size; |
| 76 | #endif |
| 77 | |
| 78 | return err; |
| 79 | } |