/* * (C) Copyright 2000-2011 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #include #include #include #if defined(CONFIG_CMD_IDE) || defined(CONFIG_CMD_SCSI) || \ defined(CONFIG_USB_STORAGE) int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc, char *const argv[]) { int dev, part; ulong addr = CONFIG_SYS_LOAD_ADDR; ulong cnt; disk_partition_t info; image_header_t *hdr; block_dev_desc_t *dev_desc; #if defined(CONFIG_FIT) const void *fit_hdr = NULL; #endif bootstage_mark(BOOTSTAGE_ID_IDE_START); if (argc > 3) { bootstage_error(BOOTSTAGE_ID_IDE_ADDR); return CMD_RET_USAGE; } bootstage_mark(BOOTSTAGE_ID_IDE_ADDR); if (argc > 1) addr = simple_strtoul(argv[1], NULL, 16); bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE); part = get_device_and_partition(intf, (argc == 3) ? argv[2] : NULL, &dev_desc, &info); if (part < 0) { bootstage_error(BOOTSTAGE_ID_IDE_TYPE); return 1; } dev = dev_desc->dev; bootstage_mark(BOOTSTAGE_ID_IDE_TYPE); printf("\nLoading from %s device %d, partition %d: " "Name: %.32s Type: %.32s\n", intf, dev, part, info.name, info.type); debug("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", info.start, info.size, info.blksz); if (dev_desc->block_read(dev, info.start, 1, (ulong *) addr) != 1) { printf("** Read error on %d:%d\n", dev, part); bootstage_error(BOOTSTAGE_ID_IDE_PART_READ); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ); switch (genimg_get_format((void *) addr)) { case IMAGE_FORMAT_LEGACY: hdr = (image_header_t *) addr; bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT); if (!image_check_hcrc(hdr)) { puts("\n** Bad Header Checksum **\n"); bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM); image_print_contents(hdr); cnt = image_get_image_size(hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: fit_hdr = (const void *) addr; puts("Fit image detected...\n"); cnt = fit_get_size(fit_hdr); break; #endif default: bootstage_error(BOOTSTAGE_ID_IDE_FORMAT); puts("** Unknown image type\n"); return 1; } cnt += info.blksz - 1; cnt /= info.blksz; cnt -= 1; if (dev_desc->block_read(dev, info.start + 1, cnt, (ulong *)(addr + info.blksz)) != cnt) { printf("** Read error on %d:%d\n", dev, part); bootstage_error(BOOTSTAGE_ID_IDE_READ); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_READ); #if defined(CONFIG_FIT) /* This cannot be done earlier, * we need complete FIT image in RAM first */ if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) { if (!fit_check_format(fit_hdr)) { bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ); puts("** Bad FIT image format\n"); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK); fit_print_contents(fit_hdr); } #endif flush_cache(addr, (cnt+1)*info.blksz); /* Loading ok, update default load address */ load_addr = addr; return bootm_maybe_autostart(cmdtp, argv[0]); } #endif