blob: ee4e21551b172000b4cdb6c2f191245529163e4e [file] [log] [blame]
Rob Herring7405a132012-09-21 04:02:30 +00001/*
2 * (C) Copyright 2000-2011
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 *
23 */
24#include <common.h>
25#include <command.h>
Rob Herring475c7972012-08-23 11:31:48 +000026#include <part.h>
Rob Herring7405a132012-09-21 04:02:30 +000027
Rob Herring475c7972012-08-23 11:31:48 +000028#if defined(CONFIG_CMD_IDE) || defined(CONFIG_CMD_SCSI) || \
29 defined(CONFIG_USB_STORAGE)
Rob Herring7405a132012-09-21 04:02:30 +000030int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
31 char *const argv[])
32{
Rob Herring475c7972012-08-23 11:31:48 +000033 int dev, part;
34 ulong addr = CONFIG_SYS_LOAD_ADDR;
35 ulong cnt;
Rob Herring7405a132012-09-21 04:02:30 +000036 disk_partition_t info;
37 image_header_t *hdr;
38 block_dev_desc_t *dev_desc;
39
40#if defined(CONFIG_FIT)
41 const void *fit_hdr = NULL;
42#endif
43
44 bootstage_mark(BOOTSTAGE_ID_IDE_START);
Rob Herring475c7972012-08-23 11:31:48 +000045 if (argc > 3) {
Rob Herring7405a132012-09-21 04:02:30 +000046 bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
47 return CMD_RET_USAGE;
48 }
49 bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
50
Rob Herring475c7972012-08-23 11:31:48 +000051 if (argc > 1)
52 addr = simple_strtoul(argv[1], NULL, 16);
53
Rob Herring7405a132012-09-21 04:02:30 +000054 bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
55
Rob Herring475c7972012-08-23 11:31:48 +000056 part = get_device_and_partition(intf, (argc == 3) ? argv[2] : NULL,
Stephen Warren10a37fd2012-09-21 09:50:57 +000057 &dev_desc, &info, 1);
Rob Herring475c7972012-08-23 11:31:48 +000058 if (part < 0) {
Rob Herring7405a132012-09-21 04:02:30 +000059 bootstage_error(BOOTSTAGE_ID_IDE_TYPE);
60 return 1;
61 }
Rob Herring475c7972012-08-23 11:31:48 +000062
63 dev = dev_desc->dev;
Rob Herring7405a132012-09-21 04:02:30 +000064 bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
65
Rob Herring475c7972012-08-23 11:31:48 +000066 printf("\nLoading from %s device %d, partition %d: "
67 "Name: %.32s Type: %.32s\n", intf, dev, part, info.name,
68 info.type);
Rob Herring7405a132012-09-21 04:02:30 +000069
70 debug("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
71 info.start, info.size, info.blksz);
72
73 if (dev_desc->block_read(dev, info.start, 1, (ulong *) addr) != 1) {
74 printf("** Read error on %d:%d\n", dev, part);
75 bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
76 return 1;
77 }
78 bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
79
80 switch (genimg_get_format((void *) addr)) {
81 case IMAGE_FORMAT_LEGACY:
82 hdr = (image_header_t *) addr;
83
84 bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
85
86 if (!image_check_hcrc(hdr)) {
87 puts("\n** Bad Header Checksum **\n");
88 bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
89 return 1;
90 }
91 bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
92
93 image_print_contents(hdr);
94
95 cnt = image_get_image_size(hdr);
96 break;
97#if defined(CONFIG_FIT)
98 case IMAGE_FORMAT_FIT:
99 fit_hdr = (const void *) addr;
100 puts("Fit image detected...\n");
101
102 cnt = fit_get_size(fit_hdr);
103 break;
104#endif
105 default:
106 bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
107 puts("** Unknown image type\n");
108 return 1;
109 }
110
111 cnt += info.blksz - 1;
112 cnt /= info.blksz;
113 cnt -= 1;
114
115 if (dev_desc->block_read(dev, info.start + 1, cnt,
116 (ulong *)(addr + info.blksz)) != cnt) {
117 printf("** Read error on %d:%d\n", dev, part);
118 bootstage_error(BOOTSTAGE_ID_IDE_READ);
119 return 1;
120 }
121 bootstage_mark(BOOTSTAGE_ID_IDE_READ);
122
123#if defined(CONFIG_FIT)
124 /* This cannot be done earlier,
125 * we need complete FIT image in RAM first */
126 if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
127 if (!fit_check_format(fit_hdr)) {
128 bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
129 puts("** Bad FIT image format\n");
130 return 1;
131 }
132 bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
133 fit_print_contents(fit_hdr);
134 }
135#endif
136
137 flush_cache(addr, (cnt+1)*info.blksz);
138
139 /* Loading ok, update default load address */
140 load_addr = addr;
141
142 return bootm_maybe_autostart(cmdtp, argv[0]);
143}
Rob Herring475c7972012-08-23 11:31:48 +0000144#endif