nxp: image loader for loading fip image
function load_img(), is dependent on:
- Recursively calling load_image() defined in common/bl_common.c
- for each image in the fip.
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I57ca4b666cd1b0b992b7c0fc2a4260b558c0e2a9
diff --git a/plat/nxp/common/img_loadr/load_img.c b/plat/nxp/common/img_loadr/load_img.c
new file mode 100644
index 0000000..c185c36
--- /dev/null
+++ b/plat/nxp/common/img_loadr/load_img.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <common/bl_common.h>
+#include <common/desc_image_load.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#include "load_img.h"
+
+/******************************************************************************
+ * This function can be used to load DDR PHY/FUSE Images
+ *
+ * @param [in] image_id Image ID to be loaded
+ *
+ * @param [in,out] image_base Location at which the image should be loaded
+ * In case image is prepended by a CSF header,
+ * image_base is pointer to actual image after
+ * the header
+ *
+ * @param [in,out] image_size User should pass the maximum size of the image
+ * possible.(Buffer size starting from image_base)
+ * Actual size of the image loaded is returned
+ * back.
+ *****************************************************************************/
+int load_img(unsigned int image_id, uintptr_t *image_base,
+ uint32_t *image_size)
+{
+ int err = 0;
+
+ image_desc_t img_info = {
+ .image_id = image_id,
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
+ VERSION_2, image_info_t, 0),
+#ifdef CSF_HEADER_PREPENDED
+ .image_info.image_base = *image_base - CSF_HDR_SZ,
+ .image_info.image_max_size = *image_size + CSF_HDR_SZ,
+#else
+ .image_info.image_base = *image_base,
+ .image_info.image_max_size = *image_size,
+#endif
+ };
+
+ /* Create MMU entry for the CSF header */
+#if PLAT_XLAT_TABLES_DYNAMIC
+#ifdef CSF_HEADER_PREPENDED
+ mmap_add_dynamic_region(img_info.image_info.image_base,
+ img_info.image_info.image_base,
+ CSF_HDR_SZ,
+ MT_MEMORY | MT_RW | MT_SECURE);
+#endif
+#endif
+
+ VERBOSE("BL2: Loading IMG %d\n", image_id);
+ err = load_auth_image(image_id, &img_info.image_info);
+ if (err != 0) {
+ VERBOSE("Failed to load IMG %d\n", image_id);
+ return err;
+ }
+
+#ifdef CSF_HEADER_PREPENDED
+ *image_base = img_info.image_info.image_base + CSF_HDR_SZ;
+ *image_size = img_info.image_info.image_size - CSF_HDR_SZ;
+#if PLAT_XLAT_TABLES_DYNAMIC
+ mmap_remove_dynamic_region(img_info.image_info.image_base,
+ CSF_HDR_SZ);
+#endif
+#else
+ *image_base = img_info.image_info.image_base;
+ *image_size = img_info.image_info.image_size;
+#endif
+
+ return err;
+}