+#ifdef CONFIG_FIT
+static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
+{
+ int res;
+ int node_offset;
+ const char *splash_file;
+ const void *internal_splash_data;
+ size_t internal_splash_size;
+ int external_splash_addr;
+ int external_splash_size;
+ bool is_splash_external = false;
+ struct image_header *img_header;
+ const u32 *fit_header;
+ u32 fit_size;
+ const size_t header_size = sizeof(struct image_header);
+
+ /* Read in image header */
+ res = splash_storage_read_raw(location, bmp_load_addr, header_size);
+ if (res < 0)
+ return res;
+
+ img_header = (struct image_header *)bmp_load_addr;
+ if (image_get_magic(img_header) != FDT_MAGIC) {
+ printf("Could not find FDT magic\n");
+ return -EINVAL;
+ }
+
+ fit_size = fdt_totalsize(img_header);
+
+ /* Read in entire FIT */
+ fit_header = (const u32 *)(bmp_load_addr + header_size);
+ res = splash_storage_read_raw(location, (u32)fit_header, fit_size);
+ if (res < 0)
+ return res;
+
+ res = fit_check_format(fit_header);
+ if (!res) {
+ debug("Could not find valid FIT image\n");
+ return -EINVAL;
+ }
+
+ /* Get the splash image node */
+ splash_file = env_get("splashfile");
+ if (!splash_file)
+ splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME;
+
+ node_offset = fit_image_get_node(fit_header, splash_file);
+ if (node_offset < 0) {
+ debug("Could not find splash image '%s' in FIT\n",
+ splash_file);
+ return -ENOENT;
+ }
+
+ /* Extract the splash data from FIT */
+ /* 1. Test if splash is in FIT internal data. */
+ if (!fit_image_get_data(fit_header, node_offset, &internal_splash_data, &internal_splash_size))
+ memmove((void *)bmp_load_addr, internal_splash_data, internal_splash_size);
+ /* 2. Test if splash is in FIT external data with fixed position. */
+ else if (!fit_image_get_data_position(fit_header, node_offset, &external_splash_addr))
+ is_splash_external = true;
+ /* 3. Test if splash is in FIT external data with offset. */
+ else if (!fit_image_get_data_offset(fit_header, node_offset, &external_splash_addr)) {
+ /* Align data offset to 4-byte boundary */
+ fit_size = ALIGN(fdt_totalsize(fit_header), 4);
+ /* External splash offset means the offset by end of FIT header */
+ external_splash_addr += location->offset + fit_size;
+ is_splash_external = true;
+ } else {
+ printf("Failed to get splash image from FIT\n");
+ return -ENODATA;
+ }
+
+ if (is_splash_external) {
+ res = fit_image_get_data_size(fit_header, node_offset, &external_splash_size);
+ if (res < 0) {
+ printf("Failed to get size of splash image (err=%d)\n", res);
+ return res;
+ }
+
+ /* Read in the splash data */
+ location->offset = external_splash_addr;
+ res = splash_storage_read_raw(location, bmp_load_addr, external_splash_size);
+ if (res < 0)
+ return res;
+ }
+
+ return 0;
+}
+#endif /* CONFIG_FIT */
+