Rob Herring | 7405a13 | 2012-09-21 04:02:30 +0000 | [diff] [blame^] | 1 | /* |
| 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> |
| 26 | |
| 27 | int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc, |
| 28 | char *const argv[]) |
| 29 | { |
| 30 | char *boot_device = NULL; |
| 31 | char *ep; |
| 32 | int dev, part = 0; |
| 33 | ulong addr, cnt; |
| 34 | disk_partition_t info; |
| 35 | image_header_t *hdr; |
| 36 | block_dev_desc_t *dev_desc; |
| 37 | |
| 38 | #if defined(CONFIG_FIT) |
| 39 | const void *fit_hdr = NULL; |
| 40 | #endif |
| 41 | |
| 42 | bootstage_mark(BOOTSTAGE_ID_IDE_START); |
| 43 | switch (argc) { |
| 44 | case 1: |
| 45 | addr = CONFIG_SYS_LOAD_ADDR; |
| 46 | boot_device = getenv("bootdevice"); |
| 47 | break; |
| 48 | case 2: |
| 49 | addr = simple_strtoul(argv[1], NULL, 16); |
| 50 | boot_device = getenv("bootdevice"); |
| 51 | break; |
| 52 | case 3: |
| 53 | addr = simple_strtoul(argv[1], NULL, 16); |
| 54 | boot_device = argv[2]; |
| 55 | break; |
| 56 | default: |
| 57 | bootstage_error(BOOTSTAGE_ID_IDE_ADDR); |
| 58 | return CMD_RET_USAGE; |
| 59 | } |
| 60 | bootstage_mark(BOOTSTAGE_ID_IDE_ADDR); |
| 61 | |
| 62 | if (!boot_device) { |
| 63 | puts("\n** No boot device **\n"); |
| 64 | bootstage_error(BOOTSTAGE_ID_IDE_BOOT_DEVICE); |
| 65 | return 1; |
| 66 | } |
| 67 | bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE); |
| 68 | |
| 69 | dev = simple_strtoul(boot_device, &ep, 16); |
| 70 | |
| 71 | dev_desc = get_dev(intf, dev); |
| 72 | if (dev_desc->type == DEV_TYPE_UNKNOWN) { |
| 73 | printf("\n** Device %d not available\n", dev); |
| 74 | bootstage_error(BOOTSTAGE_ID_IDE_TYPE); |
| 75 | return 1; |
| 76 | } |
| 77 | bootstage_mark(BOOTSTAGE_ID_IDE_TYPE); |
| 78 | |
| 79 | if (*ep) { |
| 80 | if (*ep != ':') { |
| 81 | puts("\n** Invalid boot device, use `dev[:part]' **\n"); |
| 82 | bootstage_error(BOOTSTAGE_ID_IDE_PART); |
| 83 | return 1; |
| 84 | } |
| 85 | part = simple_strtoul(++ep, NULL, 16); |
| 86 | } |
| 87 | bootstage_mark(BOOTSTAGE_ID_IDE_PART); |
| 88 | |
| 89 | if (get_partition_info(dev_desc, part, &info)) { |
| 90 | bootstage_error(BOOTSTAGE_ID_IDE_PART_INFO); |
| 91 | return 1; |
| 92 | } |
| 93 | bootstage_mark(BOOTSTAGE_ID_IDE_PART_INFO); |
| 94 | |
| 95 | if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) |
| 96 | && |
| 97 | (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0) |
| 98 | ) { |
| 99 | printf("\n** Invalid partition type \"%.32s\"" " (expect \"" |
| 100 | BOOT_PART_TYPE "\")\n", |
| 101 | info.type); |
| 102 | bootstage_error(BOOTSTAGE_ID_IDE_PART_TYPE); |
| 103 | return 1; |
| 104 | } |
| 105 | bootstage_mark(BOOTSTAGE_ID_IDE_PART_TYPE); |
| 106 | |
| 107 | printf("\nLoading from disk device %d, partition %d: " |
| 108 | "Name: %.32s Type: %.32s\n", dev, part, info.name, info.type); |
| 109 | |
| 110 | debug("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", |
| 111 | info.start, info.size, info.blksz); |
| 112 | |
| 113 | if (dev_desc->block_read(dev, info.start, 1, (ulong *) addr) != 1) { |
| 114 | printf("** Read error on %d:%d\n", dev, part); |
| 115 | bootstage_error(BOOTSTAGE_ID_IDE_PART_READ); |
| 116 | return 1; |
| 117 | } |
| 118 | bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ); |
| 119 | |
| 120 | switch (genimg_get_format((void *) addr)) { |
| 121 | case IMAGE_FORMAT_LEGACY: |
| 122 | hdr = (image_header_t *) addr; |
| 123 | |
| 124 | bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT); |
| 125 | |
| 126 | if (!image_check_hcrc(hdr)) { |
| 127 | puts("\n** Bad Header Checksum **\n"); |
| 128 | bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM); |
| 129 | return 1; |
| 130 | } |
| 131 | bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM); |
| 132 | |
| 133 | image_print_contents(hdr); |
| 134 | |
| 135 | cnt = image_get_image_size(hdr); |
| 136 | break; |
| 137 | #if defined(CONFIG_FIT) |
| 138 | case IMAGE_FORMAT_FIT: |
| 139 | fit_hdr = (const void *) addr; |
| 140 | puts("Fit image detected...\n"); |
| 141 | |
| 142 | cnt = fit_get_size(fit_hdr); |
| 143 | break; |
| 144 | #endif |
| 145 | default: |
| 146 | bootstage_error(BOOTSTAGE_ID_IDE_FORMAT); |
| 147 | puts("** Unknown image type\n"); |
| 148 | return 1; |
| 149 | } |
| 150 | |
| 151 | cnt += info.blksz - 1; |
| 152 | cnt /= info.blksz; |
| 153 | cnt -= 1; |
| 154 | |
| 155 | if (dev_desc->block_read(dev, info.start + 1, cnt, |
| 156 | (ulong *)(addr + info.blksz)) != cnt) { |
| 157 | printf("** Read error on %d:%d\n", dev, part); |
| 158 | bootstage_error(BOOTSTAGE_ID_IDE_READ); |
| 159 | return 1; |
| 160 | } |
| 161 | bootstage_mark(BOOTSTAGE_ID_IDE_READ); |
| 162 | |
| 163 | #if defined(CONFIG_FIT) |
| 164 | /* This cannot be done earlier, |
| 165 | * we need complete FIT image in RAM first */ |
| 166 | if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) { |
| 167 | if (!fit_check_format(fit_hdr)) { |
| 168 | bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ); |
| 169 | puts("** Bad FIT image format\n"); |
| 170 | return 1; |
| 171 | } |
| 172 | bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK); |
| 173 | fit_print_contents(fit_hdr); |
| 174 | } |
| 175 | #endif |
| 176 | |
| 177 | flush_cache(addr, (cnt+1)*info.blksz); |
| 178 | |
| 179 | /* Loading ok, update default load address */ |
| 180 | load_addr = addr; |
| 181 | |
| 182 | return bootm_maybe_autostart(cmdtp, argv[0]); |
| 183 | } |