84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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* Copyright 2018-2022 NXP
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#include <assert.h>
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#include <common/bl_common.h>
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#include <common/desc_image_load.h>
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#include <lib/xlat_tables/xlat_tables_v2.h>
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#include "load_img.h"
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/******************************************************************************
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* This function can be used to load DDR PHY/FUSE Images
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*
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* @param [in] image_id Image ID to be loaded
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*
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* @param [in,out] image_base Location at which the image should be loaded
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* In case image is prepended by a CSF header,
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* image_base is pointer to actual image after
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* the header
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*
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* @param [in,out] image_size User should pass the maximum size of the image
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* possible.(Buffer size starting from image_base)
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* Actual size of the image loaded is returned
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* back.
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*****************************************************************************/
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int load_img(unsigned int image_id, uintptr_t *image_base,
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uint32_t *image_size)
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{
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int err = 0;
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image_desc_t img_info = {
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.image_id = image_id,
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SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
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VERSION_2, image_info_t, 0),
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#ifdef CSF_HEADER_PREPENDED
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.image_info.image_base = *image_base - CSF_HDR_SZ,
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.image_info.image_max_size = *image_size + CSF_HDR_SZ,
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#else
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.image_info.image_base = *image_base,
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.image_info.image_max_size = *image_size,
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#endif
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};
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/* Create MMU entry for the CSF header */
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#if PLAT_XLAT_TABLES_DYNAMIC
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#ifdef CSF_HEADER_PREPENDED
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err = mmap_add_dynamic_region(img_info.image_info.image_base,
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img_info.image_info.image_base,
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CSF_HDR_SZ,
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MT_MEMORY | MT_RW | MT_SECURE);
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if (err != 0) {
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ERROR("Failed to add dynamic memory region.\n");
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return err;
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}
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#endif
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#endif
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VERBOSE("BL2: Loading IMG %d\n", image_id);
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err = load_auth_image(image_id, &img_info.image_info);
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if (err != 0) {
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VERBOSE("Failed to load IMG %d\n", image_id);
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return err;
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}
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#ifdef CSF_HEADER_PREPENDED
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*image_base = img_info.image_info.image_base + CSF_HDR_SZ;
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*image_size = img_info.image_info.image_size - CSF_HDR_SZ;
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#if PLAT_XLAT_TABLES_DYNAMIC
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mmap_remove_dynamic_region(img_info.image_info.image_base,
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CSF_HDR_SZ);
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#endif
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#else
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*image_base = img_info.image_info.image_base;
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*image_size = img_info.image_info.image_size;
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#endif
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return err;
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}
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