-#endif /* CONFIG_OF_LIBFDT */
-
-/**
- * boot_get_fdt - main fdt handling routine
- * @argc: command argument count
- * @argv: command argument list
- * @images: pointer to the bootm images structure
- * @of_flat_tree: pointer to a char* variable, will hold fdt start address
- * @of_size: pointer to a ulong variable, will hold fdt length
- *
- * boot_get_fdt() is responsible for finding a valid flat device tree image.
- * Curently supported are the following ramdisk sources:
- * - multicomponent kernel/ramdisk image,
- * - commandline provided address of decicated ramdisk image.
- *
- * returns:
- * 0, if fdt image was found and valid, or skipped
- * of_flat_tree and of_size are set to fdt start address and length if
- * fdt image is found and valid
- *
- * 1, if fdt image is found but corrupted
- * of_flat_tree and of_size are set to 0 if no fdt exists
- */
-int boot_get_fdt(int flag, int argc, char * const argv[],
- bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
-{
- const image_header_t *fdt_hdr;
- ulong fdt_addr;
- char *fdt_blob = NULL;
- ulong image_start, image_data, image_end;
- ulong load_start, load_end;
-#if defined(CONFIG_FIT)
- void *fit_hdr;
- const char *fit_uname_config = NULL;
- const char *fit_uname_fdt = NULL;
- ulong default_addr;
- int cfg_noffset;
- int fdt_noffset;
- const void *data;
- size_t size;
-#endif
-
- *of_flat_tree = NULL;
- *of_size = 0;
-
- if (argc > 3 || genimg_has_config(images)) {
-#if defined(CONFIG_FIT)
- if (argc > 3) {
- /*
- * If the FDT blob comes from the FIT image and the
- * FIT image address is omitted in the command line
- * argument, try to use ramdisk or os FIT image
- * address or default load address.
- */
- if (images->fit_uname_rd)
- default_addr = (ulong)images->fit_hdr_rd;
- else if (images->fit_uname_os)
- default_addr = (ulong)images->fit_hdr_os;
- else
- default_addr = load_addr;
-
- if (fit_parse_conf(argv[3], default_addr,
- &fdt_addr, &fit_uname_config)) {
- debug("* fdt: config '%s' from image at "
- "0x%08lx\n",
- fit_uname_config, fdt_addr);
- } else if (fit_parse_subimage(argv[3], default_addr,
- &fdt_addr, &fit_uname_fdt)) {
- debug("* fdt: subimage '%s' from image at "
- "0x%08lx\n",
- fit_uname_fdt, fdt_addr);
- } else
-#endif
- {
- fdt_addr = simple_strtoul(argv[3], NULL, 16);
- debug("* fdt: cmdline image address = "
- "0x%08lx\n",
- fdt_addr);
- }
-#if defined(CONFIG_FIT)
- } else {
- /* use FIT configuration provided in first bootm
- * command argument
- */
- fdt_addr = (ulong)images->fit_hdr_os;
- fit_uname_config = images->fit_uname_cfg;
- debug("* fdt: using config '%s' from image "
- "at 0x%08lx\n",
- fit_uname_config, fdt_addr);
-
- /*
- * Check whether configuration has FDT blob defined,
- * if not quit silently.
- */
- fit_hdr = (void *)fdt_addr;
- cfg_noffset = fit_conf_get_node(fit_hdr,
- fit_uname_config);
- if (cfg_noffset < 0) {
- debug("* fdt: no such config\n");
- return 0;
- }
-
- fdt_noffset = fit_conf_get_fdt_node(fit_hdr,
- cfg_noffset);
- if (fdt_noffset < 0) {
- debug("* fdt: no fdt in config\n");
- return 0;
- }
- }
-#endif
-
- debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
- fdt_addr);
-
- /* copy from dataflash if needed */
- fdt_addr = genimg_get_image(fdt_addr);
-
- /*
- * Check if there is an FDT image at the
- * address provided in the second bootm argument
- * check image type, for FIT images get a FIT node.
- */
- switch (genimg_get_format((void *)fdt_addr)) {
- case IMAGE_FORMAT_LEGACY:
- /* verify fdt_addr points to a valid image header */
- printf("## Flattened Device Tree from Legacy Image "
- "at %08lx\n",
- fdt_addr);
- fdt_hdr = image_get_fdt(fdt_addr);
- if (!fdt_hdr)
- goto error;
-
- /*
- * move image data to the load address,
- * make sure we don't overwrite initial image
- */
- image_start = (ulong)fdt_hdr;
- image_data = (ulong)image_get_data(fdt_hdr);
- image_end = image_get_image_end(fdt_hdr);
-
- load_start = image_get_load(fdt_hdr);
- load_end = load_start + image_get_data_size(fdt_hdr);
-
- if (load_start == image_start ||
- load_start == image_data) {
- fdt_blob = (char *)image_data;
- break;
- }
-
- if ((load_start < image_end) && (load_end > image_start)) {
- fdt_error("fdt overwritten");
- goto error;
- }
-
- debug(" Loading FDT from 0x%08lx to 0x%08lx\n",
- image_data, load_start);
-
- memmove((void *)load_start,
- (void *)image_data,
- image_get_data_size(fdt_hdr));
-
- fdt_blob = (char *)load_start;
- break;
- case IMAGE_FORMAT_FIT:
- /*
- * This case will catch both: new uImage format
- * (libfdt based) and raw FDT blob (also libfdt
- * based).
- */
-#if defined(CONFIG_FIT)
- /* check FDT blob vs FIT blob */
- if (fit_check_format((const void *)fdt_addr)) {
- /*
- * FIT image
- */
- fit_hdr = (void *)fdt_addr;
- printf("## Flattened Device Tree from FIT "
- "Image at %08lx\n",
- fdt_addr);
-
- if (!fit_uname_fdt) {
- /*
- * no FDT blob image node unit name,
- * try to get config node first. If
- * config unit node name is NULL
- * fit_conf_get_node() will try to
- * find default config node
- */
- cfg_noffset = fit_conf_get_node(fit_hdr,
- fit_uname_config);
-
- if (cfg_noffset < 0) {
- fdt_error("Could not find "
- "configuration "
- "node\n");
- goto error;
- }
-
- fit_uname_config = fdt_get_name(fit_hdr,
- cfg_noffset, NULL);
- printf(" Using '%s' configuration\n",
- fit_uname_config);
-
- fdt_noffset = fit_conf_get_fdt_node(
- fit_hdr,
- cfg_noffset);
- fit_uname_fdt = fit_get_name(fit_hdr,
- fdt_noffset, NULL);
- } else {
- /* get FDT component image node offset */
- fdt_noffset = fit_image_get_node(
- fit_hdr,
- fit_uname_fdt);
- }
- if (fdt_noffset < 0) {
- fdt_error("Could not find subimage "
- "node\n");
- goto error;
- }
-
- printf(" Trying '%s' FDT blob subimage\n",
- fit_uname_fdt);
-
- if (!fit_check_fdt(fit_hdr, fdt_noffset,
- images->verify))
- goto error;
-
- /* get ramdisk image data address and length */
- if (fit_image_get_data(fit_hdr, fdt_noffset,
- &data, &size)) {
- fdt_error("Could not find FDT "
- "subimage data");
- goto error;
- }
-
- /* verift that image data is a proper FDT blob */
- if (fdt_check_header((char *)data) != 0) {
- fdt_error("Subimage data is not a FTD");
- goto error;
- }
-
- /*
- * move image data to the load address,
- * make sure we don't overwrite initial image
- */
- image_start = (ulong)fit_hdr;
- image_end = fit_get_end(fit_hdr);
-
- if (fit_image_get_load(fit_hdr, fdt_noffset,
- &load_start) == 0) {
- load_end = load_start + size;
-
- if ((load_start < image_end) &&
- (load_end > image_start)) {
- fdt_error("FDT overwritten");
- goto error;
- }
-
- printf(" Loading FDT from 0x%08lx "
- "to 0x%08lx\n",
- (ulong)data,
- load_start);
-
- memmove((void *)load_start,
- (void *)data, size);
-
- fdt_blob = (char *)load_start;
- } else {
- fdt_blob = (char *)data;
- }
-
- images->fit_hdr_fdt = fit_hdr;
- images->fit_uname_fdt = fit_uname_fdt;
- images->fit_noffset_fdt = fdt_noffset;
- break;
- } else