diff options
Diffstat (limited to 'common/cmd_disk.c')
| -rw-r--r-- | common/cmd_disk.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/common/cmd_disk.c b/common/cmd_disk.c new file mode 100644 index 0000000..e73fc4e --- /dev/null +++ b/common/cmd_disk.c @@ -0,0 +1,183 @@ +/* + * (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 <common.h> +#include <command.h> + +int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc, + char *const argv[]) +{ + char *boot_device = NULL; + char *ep; + int dev, part = 0; + ulong addr, 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); + switch (argc) { + case 1: + addr = CONFIG_SYS_LOAD_ADDR; + boot_device = getenv("bootdevice"); + break; + case 2: + addr = simple_strtoul(argv[1], NULL, 16); + boot_device = getenv("bootdevice"); + break; + case 3: + addr = simple_strtoul(argv[1], NULL, 16); + boot_device = argv[2]; + break; + default: + bootstage_error(BOOTSTAGE_ID_IDE_ADDR); + return CMD_RET_USAGE; + } + bootstage_mark(BOOTSTAGE_ID_IDE_ADDR); + + if (!boot_device) { + puts("\n** No boot device **\n"); + bootstage_error(BOOTSTAGE_ID_IDE_BOOT_DEVICE); + return 1; + } + bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE); + + dev = simple_strtoul(boot_device, &ep, 16); + + dev_desc = get_dev(intf, dev); + if (dev_desc->type == DEV_TYPE_UNKNOWN) { + printf("\n** Device %d not available\n", dev); + bootstage_error(BOOTSTAGE_ID_IDE_TYPE); + return 1; + } + bootstage_mark(BOOTSTAGE_ID_IDE_TYPE); + + if (*ep) { + if (*ep != ':') { + puts("\n** Invalid boot device, use `dev[:part]' **\n"); + bootstage_error(BOOTSTAGE_ID_IDE_PART); + return 1; + } + part = simple_strtoul(++ep, NULL, 16); + } + bootstage_mark(BOOTSTAGE_ID_IDE_PART); + + if (get_partition_info(dev_desc, part, &info)) { + bootstage_error(BOOTSTAGE_ID_IDE_PART_INFO); + return 1; + } + bootstage_mark(BOOTSTAGE_ID_IDE_PART_INFO); + + if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) + && + (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0) + ) { + printf("\n** Invalid partition type \"%.32s\"" " (expect \"" + BOOT_PART_TYPE "\")\n", + info.type); + bootstage_error(BOOTSTAGE_ID_IDE_PART_TYPE); + return 1; + } + bootstage_mark(BOOTSTAGE_ID_IDE_PART_TYPE); + + printf("\nLoading from disk device %d, partition %d: " + "Name: %.32s Type: %.32s\n", 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]); +} |