+#ifdef CONFIG_PARTITION_TYPE_GUID
+ info->type_guid[0] = 0;
+#endif
+
+ ret = 0;
+ goto cleanup;
+ }
+
+ /*
+ * Now there's known to be a partition table,
+ * not specifying a partition means to pick partition 1.
+ */
+ if (part == PART_UNSPECIFIED)
+ part = 1;
+
+ /*
+ * If user didn't specify a partition number, or did specify something
+ * other than "auto", use that partition number directly.
+ */
+ if (part != PART_AUTO) {
+ ret = part_get_info(*dev_desc, part, info);
+ if (ret) {
+ printf("** Invalid partition %d **\n", part);
+ goto cleanup;
+ }
+ } else {
+ /*
+ * Find the first bootable partition.
+ * If none are bootable, fall back to the first valid partition.
+ */
+ part = 0;
+ for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
+ ret = part_get_info(*dev_desc, p, info);
+ if (ret)
+ continue;
+
+ /*
+ * First valid partition, or new better partition?
+ * If so, save partition ID.
+ */
+ if (!part || info->bootable)
+ part = p;
+
+ /* Best possible partition? Stop searching. */
+ if (info->bootable)
+ break;
+
+ /*
+ * We now need to search further for best possible.
+ * If we what we just queried was the best so far,
+ * save the info since we over-write it next loop.
+ */
+ if (part == p)
+ tmpinfo = *info;
+ }
+ /* If we found any acceptable partition */
+ if (part) {
+ /*
+ * If we searched all possible partition IDs,
+ * return the first valid partition we found.
+ */
+ if (p == MAX_SEARCH_PARTITIONS + 1)
+ *info = tmpinfo;
+ } else {
+ printf("** No valid partitions found **\n");
+ ret = -1;
+ goto cleanup;
+ }
+ }
+ if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
+ printf("** Invalid partition type \"%.32s\""
+ " (expect \"" BOOT_PART_TYPE "\")\n",
+ info->type);
+ ret = -1;
+ goto cleanup;
+ }
+
+ (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
+
+ ret = part;
+ goto cleanup;
+
+cleanup:
+ free(dup_str);
+ return ret;
+}
+
+int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
+ disk_partition_t *info)
+{
+ struct part_driver *first_drv =
+ ll_entry_start(struct part_driver, part_driver);
+ const int n_drvs = ll_entry_count(struct part_driver, part_driver);
+ struct part_driver *part_drv;
+
+ for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) {
+ int ret;
+ int i;
+ for (i = 1; i < part_drv->max_entries; i++) {
+ ret = part_drv->get_info(dev_desc, i, info);
+ if (ret != 0) {
+ /* no more entries in table */
+ break;
+ }
+ if (strcmp(name, (const char *)info->name) == 0) {
+ /* matched */
+ return 0;
+ }
+ }
+ }
+ return -1;
+}
+
+void part_set_generic_name(const struct blk_desc *dev_desc,
+ int part_num, char *name)
+{
+ char *devtype;
+
+ switch (dev_desc->if_type) {
+ case IF_TYPE_IDE:
+ case IF_TYPE_SATA:
+ case IF_TYPE_ATAPI:
+ devtype = "hd";
+ break;
+ case IF_TYPE_SCSI:
+ devtype = "sd";
+ break;
+ case IF_TYPE_USB:
+ devtype = "usbd";
+ break;
+ case IF_TYPE_DOC:
+ devtype = "docd";
+ break;
+ case IF_TYPE_MMC:
+ case IF_TYPE_SD:
+ devtype = "mmcsd";
+ break;
+ default:
+ devtype = "xx";
+ break;
+ }
+
+ sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
+}