wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 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 | /* |
| 25 | * FLASH support |
| 26 | */ |
| 27 | #include <common.h> |
| 28 | #include <command.h> |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 29 | #include <flash.h> |
| 30 | |
| 31 | #if (CONFIG_COMMANDS & CFG_CMD_FLASH) |
| 32 | |
| 33 | extern flash_info_t flash_info[]; /* info for FLASH chips */ |
| 34 | |
| 35 | /* |
| 36 | * The user interface starts numbering for Flash banks with 1 |
| 37 | * for historical reasons. |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | * this routine looks for an abbreviated flash range specification. |
| 42 | * the syntax is B:SF[-SL], where B is the bank number, SF is the first |
| 43 | * sector to erase, and SL is the last sector to erase (defaults to SF). |
| 44 | * bank numbers start at 1 to be consistent with other specs, sector numbers |
| 45 | * start at zero. |
| 46 | * |
| 47 | * returns: 1 - correct spec; *pinfo, *psf and *psl are |
| 48 | * set appropriately |
| 49 | * 0 - doesn't look like an abbreviated spec |
| 50 | * -1 - looks like an abbreviated spec, but got |
| 51 | * a parsing error, a number out of range, |
| 52 | * or an invalid flash bank. |
| 53 | */ |
| 54 | static int |
| 55 | abbrev_spec(char *str, flash_info_t **pinfo, int *psf, int *psl) |
| 56 | { |
| 57 | flash_info_t *fp; |
| 58 | int bank, first, last; |
| 59 | char *p, *ep; |
| 60 | |
| 61 | if ((p = strchr(str, ':')) == NULL) |
| 62 | return 0; |
| 63 | *p++ = '\0'; |
| 64 | |
| 65 | bank = simple_strtoul(str, &ep, 10); |
| 66 | if (ep == str || *ep != '\0' || |
| 67 | bank < 1 || bank > CFG_MAX_FLASH_BANKS || |
| 68 | (fp = &flash_info[bank - 1])->flash_id == FLASH_UNKNOWN) |
| 69 | return -1; |
| 70 | |
| 71 | str = p; |
| 72 | if ((p = strchr(str, '-')) != NULL) |
| 73 | *p++ = '\0'; |
| 74 | |
| 75 | first = simple_strtoul(str, &ep, 10); |
| 76 | if (ep == str || *ep != '\0' || first >= fp->sector_count) |
| 77 | return -1; |
| 78 | |
| 79 | if (p != NULL) { |
| 80 | last = simple_strtoul(p, &ep, 10); |
| 81 | if (ep == p || *ep != '\0' || |
| 82 | last < first || last >= fp->sector_count) |
| 83 | return -1; |
| 84 | } |
| 85 | else |
| 86 | last = first; |
| 87 | |
| 88 | *pinfo = fp; |
| 89 | *psf = first; |
| 90 | *psl = last; |
| 91 | |
| 92 | return 1; |
| 93 | } |
| 94 | int do_flinfo (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) |
| 95 | { |
| 96 | ulong bank; |
| 97 | |
| 98 | if (argc == 1) { /* print info for all FLASH banks */ |
| 99 | for (bank=0; bank <CFG_MAX_FLASH_BANKS; ++bank) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 100 | printf ("\nBank # %ld: ", bank+1); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 101 | |
| 102 | flash_print_info (&flash_info[bank]); |
| 103 | } |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | bank = simple_strtoul(argv[1], NULL, 16); |
| 108 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 109 | printf ("Only FLASH Banks # 1 ... # %d supported\n", |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 110 | CFG_MAX_FLASH_BANKS); |
| 111 | return 1; |
| 112 | } |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 113 | printf ("\nBank # %ld: ", bank); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 114 | flash_print_info (&flash_info[bank-1]); |
| 115 | return 0; |
| 116 | } |
| 117 | int do_flerase(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) |
| 118 | { |
| 119 | flash_info_t *info; |
| 120 | ulong bank, addr_first, addr_last; |
| 121 | int n, sect_first, sect_last; |
| 122 | int rcode = 0; |
| 123 | |
| 124 | if (argc < 2) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 125 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 126 | return 1; |
| 127 | } |
| 128 | |
| 129 | if (strcmp(argv[1], "all") == 0) { |
| 130 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 131 | printf ("Erase Flash Bank # %ld ", bank); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 132 | info = &flash_info[bank-1]; |
| 133 | rcode = flash_erase (info, 0, info->sector_count-1); |
| 134 | } |
| 135 | return rcode; |
| 136 | } |
| 137 | |
| 138 | if ((n = abbrev_spec(argv[1], &info, §_first, §_last)) != 0) { |
| 139 | if (n < 0) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 140 | printf("Bad sector specification\n"); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 141 | return 1; |
| 142 | } |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 143 | printf ("Erase Flash Sectors %d-%d in Bank # %d ", |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 144 | sect_first, sect_last, (info-flash_info)+1); |
| 145 | rcode = flash_erase(info, sect_first, sect_last); |
| 146 | return rcode; |
| 147 | } |
| 148 | |
| 149 | if (argc != 3) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 150 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 151 | return 1; |
| 152 | } |
| 153 | |
| 154 | if (strcmp(argv[1], "bank") == 0) { |
| 155 | bank = simple_strtoul(argv[2], NULL, 16); |
| 156 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 157 | printf ("Only FLASH Banks # 1 ... # %d supported\n", |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 158 | CFG_MAX_FLASH_BANKS); |
| 159 | return 1; |
| 160 | } |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 161 | printf ("Erase Flash Bank # %ld ", bank); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 162 | info = &flash_info[bank-1]; |
| 163 | rcode = flash_erase (info, 0, info->sector_count-1); |
| 164 | return rcode; |
| 165 | } |
| 166 | |
| 167 | addr_first = simple_strtoul(argv[1], NULL, 16); |
| 168 | addr_last = simple_strtoul(argv[2], NULL, 16); |
| 169 | |
| 170 | if (addr_first >= addr_last) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 171 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 172 | return 1; |
| 173 | } |
| 174 | |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 175 | printf ("Erase Flash from 0x%08lx to 0x%08lx ", addr_first, addr_last); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 176 | rcode = flash_sect_erase(addr_first, addr_last); |
| 177 | return rcode; |
| 178 | } |
| 179 | |
| 180 | int flash_sect_erase (ulong addr_first, ulong addr_last) |
| 181 | { |
| 182 | flash_info_t *info; |
| 183 | ulong bank; |
| 184 | int s_first, s_last; |
| 185 | int erased; |
| 186 | int rcode = 0; |
| 187 | |
| 188 | erased = 0; |
| 189 | |
| 190 | for (bank=0,info=&flash_info[0]; bank < CFG_MAX_FLASH_BANKS; ++bank, ++info) { |
| 191 | ulong b_end; |
| 192 | int sect; |
| 193 | |
| 194 | if (info->flash_id == FLASH_UNKNOWN) { |
| 195 | continue; |
| 196 | } |
| 197 | |
| 198 | b_end = info->start[0] + info->size - 1; /* bank end addr */ |
| 199 | |
| 200 | s_first = -1; /* first sector to erase */ |
| 201 | s_last = -1; /* last sector to erase */ |
| 202 | |
| 203 | for (sect=0; sect < info->sector_count; ++sect) { |
| 204 | ulong end; /* last address in current sect */ |
| 205 | short s_end; |
| 206 | |
| 207 | s_end = info->sector_count - 1; |
| 208 | |
| 209 | end = (sect == s_end) ? b_end : info->start[sect + 1] - 1; |
| 210 | |
| 211 | if (addr_first > end) |
| 212 | continue; |
| 213 | if (addr_last < info->start[sect]) |
| 214 | continue; |
| 215 | |
| 216 | if (addr_first == info->start[sect]) { |
| 217 | s_first = sect; |
| 218 | } |
| 219 | if (addr_last == end) { |
| 220 | s_last = sect; |
| 221 | } |
| 222 | } |
| 223 | if (s_first>=0 && s_first<=s_last) { |
| 224 | erased += s_last - s_first + 1; |
| 225 | rcode = flash_erase (info, s_first, s_last); |
| 226 | } |
| 227 | } |
| 228 | if (erased) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 229 | /* printf ("Erased %d sectors\n", erased); */ |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 230 | } else { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 231 | printf ("Error: start and/or end address" |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 232 | " not on sector boundary\n"); |
| 233 | rcode = 1; |
| 234 | } |
| 235 | return rcode; |
| 236 | } |
| 237 | |
| 238 | |
| 239 | int do_protect(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) |
| 240 | { |
| 241 | flash_info_t *info; |
| 242 | ulong bank, addr_first, addr_last; |
| 243 | int i, p, n, sect_first, sect_last; |
| 244 | int rcode = 0; |
| 245 | |
| 246 | if (argc < 3) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 247 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 248 | return 1; |
| 249 | } |
| 250 | |
| 251 | if (strcmp(argv[1], "off") == 0) |
| 252 | p = 0; |
| 253 | else if (strcmp(argv[1], "on") == 0) |
| 254 | p = 1; |
| 255 | else { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 256 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 257 | return 1; |
| 258 | } |
| 259 | |
| 260 | if (strcmp(argv[2], "all") == 0) { |
| 261 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { |
| 262 | info = &flash_info[bank-1]; |
| 263 | if (info->flash_id == FLASH_UNKNOWN) { |
| 264 | continue; |
| 265 | } |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 266 | /*printf ("%sProtect Flash Bank # %ld\n", */ |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 267 | /* p ? "" : "Un-", bank); */ |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 268 | |
| 269 | for (i=0; i<info->sector_count; ++i) { |
| 270 | #if defined(CFG_FLASH_PROTECTION) |
| 271 | if (flash_real_protect(info, i, p)) |
| 272 | rcode = 1; |
| 273 | putc ('.'); |
| 274 | #else |
| 275 | info->protect[i] = p; |
| 276 | #endif /* CFG_FLASH_PROTECTION */ |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | #if defined(CFG_FLASH_PROTECTION) |
| 281 | if (!rcode) puts (" done\n"); |
| 282 | #endif /* CFG_FLASH_PROTECTION */ |
| 283 | |
| 284 | return rcode; |
| 285 | } |
| 286 | |
| 287 | if ((n = abbrev_spec(argv[2], &info, §_first, §_last)) != 0) { |
| 288 | if (n < 0) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 289 | printf("Bad sector specification\n"); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 290 | return 1; |
| 291 | } |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 292 | /*printf("%sProtect Flash Sectors %d-%d in Bank # %d\n", */ |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 293 | /* p ? "" : "Un-", sect_first, sect_last, */ |
| 294 | /* (info-flash_info)+1); */ |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 295 | for (i = sect_first; i <= sect_last; i++) { |
| 296 | #if defined(CFG_FLASH_PROTECTION) |
| 297 | if (flash_real_protect(info, i, p)) |
| 298 | rcode = 1; |
| 299 | putc ('.'); |
| 300 | #else |
| 301 | info->protect[i] = p; |
| 302 | #endif /* CFG_FLASH_PROTECTION */ |
| 303 | } |
| 304 | |
| 305 | #if defined(CFG_FLASH_PROTECTION) |
| 306 | if (!rcode) puts (" done\n"); |
| 307 | #endif /* CFG_FLASH_PROTECTION */ |
| 308 | |
| 309 | return rcode; |
| 310 | } |
| 311 | |
| 312 | if (argc != 4) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 313 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 314 | return 1; |
| 315 | } |
| 316 | |
| 317 | if (strcmp(argv[2], "bank") == 0) { |
| 318 | bank = simple_strtoul(argv[3], NULL, 16); |
| 319 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 320 | printf ("Only FLASH Banks # 1 ... # %d supported\n", |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 321 | CFG_MAX_FLASH_BANKS); |
| 322 | return 1; |
| 323 | } |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 324 | printf ("%sProtect Flash Bank # %ld\n", |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 325 | p ? "" : "Un-", bank); |
| 326 | info = &flash_info[bank-1]; |
| 327 | |
| 328 | if (info->flash_id == FLASH_UNKNOWN) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 329 | printf ("missing or unknown FLASH type\n"); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 330 | return 1; |
| 331 | } |
| 332 | for (i=0; i<info->sector_count; ++i) { |
| 333 | #if defined(CFG_FLASH_PROTECTION) |
| 334 | if (flash_real_protect(info, i, p)) |
| 335 | rcode = 1; |
| 336 | putc ('.'); |
| 337 | #else |
| 338 | info->protect[i] = p; |
| 339 | #endif /* CFG_FLASH_PROTECTION */ |
| 340 | } |
| 341 | |
| 342 | #if defined(CFG_FLASH_PROTECTION) |
| 343 | if (!rcode) puts (" done\n"); |
| 344 | #endif /* CFG_FLASH_PROTECTION */ |
| 345 | |
| 346 | return rcode; |
| 347 | } |
| 348 | |
| 349 | addr_first = simple_strtoul(argv[2], NULL, 16); |
| 350 | addr_last = simple_strtoul(argv[3], NULL, 16); |
| 351 | |
| 352 | if (addr_first >= addr_last) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 353 | printf ("Usage:\n%s\n", cmdtp->usage); |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 354 | return 1; |
| 355 | } |
| 356 | rcode = flash_sect_protect (p, addr_first, addr_last); |
| 357 | return rcode; |
| 358 | } |
| 359 | int flash_sect_protect (int p, ulong addr_first, ulong addr_last) |
| 360 | { |
| 361 | flash_info_t *info; |
| 362 | ulong bank; |
| 363 | int s_first, s_last; |
| 364 | int protected, i; |
| 365 | int rcode = 0; |
| 366 | |
| 367 | protected = 0; |
| 368 | |
| 369 | for (bank=0,info=&flash_info[0]; bank < CFG_MAX_FLASH_BANKS; ++bank, ++info) { |
| 370 | ulong b_end; |
| 371 | int sect; |
| 372 | |
| 373 | if (info->flash_id == FLASH_UNKNOWN) { |
| 374 | continue; |
| 375 | } |
| 376 | |
| 377 | b_end = info->start[0] + info->size - 1; /* bank end addr */ |
| 378 | |
| 379 | s_first = -1; /* first sector to erase */ |
| 380 | s_last = -1; /* last sector to erase */ |
| 381 | |
| 382 | for (sect=0; sect < info->sector_count; ++sect) { |
| 383 | ulong end; /* last address in current sect */ |
| 384 | short s_end; |
| 385 | |
| 386 | s_end = info->sector_count - 1; |
| 387 | |
| 388 | end = (sect == s_end) ? b_end : info->start[sect + 1] - 1; |
| 389 | |
| 390 | if (addr_first > end) |
| 391 | continue; |
| 392 | if (addr_last < info->start[sect]) |
| 393 | continue; |
| 394 | |
| 395 | if (addr_first == info->start[sect]) { |
| 396 | s_first = sect; |
| 397 | } |
| 398 | if (addr_last == end) { |
| 399 | s_last = sect; |
| 400 | } |
| 401 | } |
| 402 | if (s_first>=0 && s_first<=s_last) { |
| 403 | protected += s_last - s_first + 1; |
| 404 | for (i=s_first; i<=s_last; ++i) { |
| 405 | #if defined(CFG_FLASH_PROTECTION) |
| 406 | if (flash_real_protect(info, i, p)) |
| 407 | rcode = 1; |
| 408 | putc ('.'); |
| 409 | #else |
| 410 | info->protect[i] = p; |
| 411 | #endif /* CFG_FLASH_PROTECTION */ |
| 412 | } |
| 413 | } |
| 414 | #if defined(CFG_FLASH_PROTECTION) |
| 415 | if (!rcode) putc ('\n'); |
| 416 | #endif /* CFG_FLASH_PROTECTION */ |
| 417 | |
| 418 | } |
| 419 | if (protected) { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 420 | /* printf ("%sProtected %d sectors\n", */ |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 421 | /* p ? "" : "Un-", protected); */ |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 422 | } else { |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 423 | printf ("Error: start and/or end address" |
wdenk | 452cfd6 | 2002-11-19 11:04:11 +0000 | [diff] [blame] | 424 | " not on sector boundary\n"); |
| 425 | rcode = 1; |
| 426 | } |
| 427 | return rcode; |
| 428 | } |
| 429 | |
| 430 | #endif /* CFG_CMD_FLASH */ |