2 * (C) Copyright 2000-2011
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #if defined(CONFIG_CMD_IDE) || defined(CONFIG_CMD_SCSI) || \
29 defined(CONFIG_USB_STORAGE)
30 int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
34 ulong addr = CONFIG_SYS_LOAD_ADDR;
36 disk_partition_t info;
38 block_dev_desc_t *dev_desc;
40 #if defined(CONFIG_FIT)
41 const void *fit_hdr = NULL;
44 bootstage_mark(BOOTSTAGE_ID_IDE_START);
46 bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
49 bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
52 addr = simple_strtoul(argv[1], NULL, 16);
54 bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
56 part = get_device_and_partition(intf, (argc == 3) ? argv[2] : NULL,
59 bootstage_error(BOOTSTAGE_ID_IDE_TYPE);
64 bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
66 printf("\nLoading from %s device %d, partition %d: "
67 "Name: %.32s Type: %.32s\n", intf, dev, part, info.name,
70 debug("First Block: " LBAFU ", # of blocks: " LBAFU
71 ", Block Size: %ld\n",
72 info.start, info.size, info.blksz);
74 if (dev_desc->block_read(dev, info.start, 1, (ulong *) addr) != 1) {
75 printf("** Read error on %d:%d\n", dev, part);
76 bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
79 bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
81 switch (genimg_get_format((void *) addr)) {
82 case IMAGE_FORMAT_LEGACY:
83 hdr = (image_header_t *) addr;
85 bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
87 if (!image_check_hcrc(hdr)) {
88 puts("\n** Bad Header Checksum **\n");
89 bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
92 bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
94 image_print_contents(hdr);
96 cnt = image_get_image_size(hdr);
98 #if defined(CONFIG_FIT)
99 case IMAGE_FORMAT_FIT:
100 fit_hdr = (const void *) addr;
101 puts("Fit image detected...\n");
103 cnt = fit_get_size(fit_hdr);
107 bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
108 puts("** Unknown image type\n");
112 cnt += info.blksz - 1;
116 if (dev_desc->block_read(dev, info.start + 1, cnt,
117 (ulong *)(addr + info.blksz)) != cnt) {
118 printf("** Read error on %d:%d\n", dev, part);
119 bootstage_error(BOOTSTAGE_ID_IDE_READ);
122 bootstage_mark(BOOTSTAGE_ID_IDE_READ);
124 #if defined(CONFIG_FIT)
125 /* This cannot be done earlier,
126 * we need complete FIT image in RAM first */
127 if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
128 if (!fit_check_format(fit_hdr)) {
129 bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
130 puts("** Bad FIT image format\n");
133 bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
134 fit_print_contents(fit_hdr);
138 flush_cache(addr, (cnt+1)*info.blksz);
140 /* Loading ok, update default load address */
143 return bootm_maybe_autostart(cmdtp, argv[0]);