Stefan Roese | c157d8e | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002-2004 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> |
| 6 | * Add support for Am29F016D and dynamic switch setting. |
| 7 | * |
| 8 | * See file CREDITS for list of people who contributed to this |
| 9 | * project. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License as |
| 13 | * published by the Free Software Foundation; either version 2 of |
| 14 | * the License, or (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 24 | * MA 02111-1307 USA |
| 25 | */ |
| 26 | |
| 27 | /* |
| 28 | * Modified 4/5/2001 |
| 29 | * Wait for completion of each sector erase command issued |
| 30 | * 4/5/2001 |
| 31 | * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com |
| 32 | */ |
| 33 | |
| 34 | /* |
| 35 | * Ported to XPedite1000, 1/2 mb boot flash only |
| 36 | * Travis B. Sawyer, <travis.sawyer@sandburst.com> |
| 37 | */ |
| 38 | |
| 39 | #include <common.h> |
| 40 | #include <ppc4xx.h> |
| 41 | #include <asm/processor.h> |
| 42 | |
| 43 | #undef DEBUG |
| 44 | #ifdef DEBUG |
| 45 | #define DEBUGF(x...) printf(x) |
| 46 | #else |
| 47 | #define DEBUGF(x...) |
| 48 | #endif /* DEBUG */ |
| 49 | |
| 50 | #define BOOT_SMALL_FLASH 32 /* 00100000 */ |
| 51 | #define FLASH_ONBD_N 2 /* 00000010 */ |
| 52 | #define FLASH_SRAM_SEL 1 /* 00000001 */ |
| 53 | |
| 54 | #define BOOT_SMALL_FLASH_VAL 4 |
| 55 | #define FLASH_ONBD_N_VAL 2 |
| 56 | #define FLASH_SRAM_SEL_VAL 1 |
| 57 | |
| 58 | flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
| 59 | |
| 60 | unsigned long flash_addr_table[512][CFG_MAX_FLASH_BANKS] = { |
| 61 | {0xfe000000} |
| 62 | |
| 63 | }; |
| 64 | |
| 65 | /*----------------------------------------------------------------------- |
| 66 | * Functions |
| 67 | */ |
| 68 | static ulong flash_get_size(vu_long * addr, flash_info_t * info); |
| 69 | static int write_word(flash_info_t * info, ulong dest, ulong data); |
| 70 | |
| 71 | #define ADDR0 0xaaaa |
| 72 | #define ADDR1 0x5554 |
| 73 | #define FLASH_WORD_SIZE unsigned short |
| 74 | |
| 75 | /*----------------------------------------------------------------------- |
| 76 | */ |
| 77 | |
| 78 | unsigned long flash_init(void) |
| 79 | { |
| 80 | unsigned long total_b = 0; |
| 81 | unsigned long size_b[CFG_MAX_FLASH_BANKS]; |
| 82 | unsigned short index = 0; |
| 83 | int i; |
| 84 | |
| 85 | DEBUGF("\n"); |
| 86 | DEBUGF("FLASH: Index: %d\n", index); |
| 87 | |
| 88 | /* Init: no FLASHes known */ |
| 89 | for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { |
| 90 | flash_info[i].flash_id = FLASH_UNKNOWN; |
| 91 | flash_info[i].sector_count = -1; |
| 92 | flash_info[i].size = 0; |
| 93 | |
| 94 | /* check whether the address is 0 */ |
| 95 | if (flash_addr_table[index][i] == 0) { |
| 96 | continue; |
| 97 | } |
| 98 | |
| 99 | /* call flash_get_size() to initialize sector address */ |
| 100 | size_b[i] = flash_get_size((vu_long *) |
| 101 | flash_addr_table[index][i], |
| 102 | &flash_info[i]); |
| 103 | flash_info[i].size = size_b[i]; |
| 104 | if (flash_info[i].flash_id == FLASH_UNKNOWN) { |
| 105 | printf |
| 106 | ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", |
| 107 | i, size_b[i], size_b[i] << 20); |
| 108 | flash_info[i].sector_count = -1; |
| 109 | flash_info[i].size = 0; |
| 110 | } |
| 111 | |
| 112 | total_b += flash_info[i].size; |
| 113 | } |
| 114 | |
| 115 | /* FLASH protect Monitor */ |
| 116 | flash_protect(FLAG_PROTECT_SET, |
| 117 | CFG_MONITOR_BASE, 0xFFFFFFFF, &flash_info[0]); |
| 118 | |
| 119 | return total_b; |
| 120 | } |
| 121 | |
| 122 | /*----------------------------------------------------------------------- |
| 123 | */ |
| 124 | void flash_print_info(flash_info_t * info) |
| 125 | { |
| 126 | int i; |
| 127 | int k; |
| 128 | int size; |
| 129 | int erased; |
| 130 | volatile unsigned long *flash; |
| 131 | |
| 132 | if (info->flash_id == FLASH_UNKNOWN) { |
| 133 | printf("missing or unknown FLASH type\n"); |
| 134 | return; |
| 135 | } |
| 136 | |
| 137 | switch (info->flash_id & FLASH_VENDMASK) { |
| 138 | case FLASH_MAN_AMD: |
| 139 | printf("AMD "); |
| 140 | break; |
| 141 | case FLASH_MAN_FUJ: |
| 142 | printf("FUJITSU "); |
| 143 | break; |
| 144 | case FLASH_MAN_SST: |
| 145 | printf("SST "); |
| 146 | break; |
| 147 | default: |
| 148 | printf("Unknown Vendor "); |
| 149 | break; |
| 150 | } |
| 151 | |
| 152 | switch (info->flash_id & FLASH_TYPEMASK) { |
| 153 | case FLASH_AMD016: |
| 154 | printf("AM29F016D (16 Mbit, uniform sector size)\n"); |
| 155 | break; |
| 156 | case FLASH_AM040: |
| 157 | printf("AM29F040 (512 Kbit, uniform sector size)\n"); |
| 158 | break; |
| 159 | case FLASH_AM400B: |
| 160 | printf("AM29LV400B (4 Mbit, bottom boot sect)\n"); |
| 161 | break; |
| 162 | case FLASH_AM400T: |
| 163 | printf("AM29LV400T (4 Mbit, top boot sector)\n"); |
| 164 | break; |
| 165 | case FLASH_AM800B: |
| 166 | printf("AM29LV800B (8 Mbit, bottom boot sect)\n"); |
| 167 | break; |
| 168 | case FLASH_AM800T: |
| 169 | printf("AM29LV800T (8 Mbit, top boot sector)\n"); |
| 170 | break; |
| 171 | case FLASH_AM160B: |
| 172 | printf("AM29LV160B (16 Mbit, bottom boot sect)\n"); |
| 173 | break; |
| 174 | case FLASH_AM160T: |
| 175 | printf("AM29LV160T (16 Mbit, top boot sector)\n"); |
| 176 | break; |
| 177 | case FLASH_AM320B: |
| 178 | printf("AM29LV320B (32 Mbit, bottom boot sect)\n"); |
| 179 | break; |
| 180 | case FLASH_AM320T: |
| 181 | printf("AM29LV320T (32 Mbit, top boot sector)\n"); |
| 182 | break; |
| 183 | case FLASH_SST800A: |
| 184 | printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); |
| 185 | break; |
| 186 | case FLASH_SST160A: |
| 187 | printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); |
| 188 | break; |
| 189 | default: |
| 190 | printf("Unknown Chip Type\n"); |
| 191 | break; |
| 192 | } |
| 193 | |
| 194 | printf(" Size: %ld KB in %d Sectors\n", |
| 195 | info->size >> 10, info->sector_count); |
| 196 | |
| 197 | printf(" Sector Start Addresses:"); |
| 198 | for (i = 0; i < info->sector_count; ++i) { |
| 199 | /* |
| 200 | * Check if whole sector is erased |
| 201 | */ |
| 202 | if (i != (info->sector_count - 1)) |
| 203 | size = info->start[i + 1] - info->start[i]; |
| 204 | else |
| 205 | size = info->start[0] + info->size - info->start[i]; |
| 206 | erased = 1; |
| 207 | flash = (volatile unsigned long *)info->start[i]; |
| 208 | size = size >> 2; /* divide by 4 for longword access */ |
| 209 | for (k = 0; k < size; k++) { |
| 210 | if (*flash++ != 0xffffffff) { |
| 211 | erased = 0; |
| 212 | break; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | if ((i % 5) == 0) |
| 217 | printf("\n "); |
| 218 | printf(" %08lX%s%s", |
| 219 | info->start[i], |
| 220 | erased ? " E" : " ", info->protect[i] ? "RO " : " "); |
| 221 | } |
| 222 | printf("\n"); |
| 223 | return; |
| 224 | } |
| 225 | |
| 226 | /*----------------------------------------------------------------------- |
| 227 | */ |
| 228 | |
| 229 | /*----------------------------------------------------------------------- |
| 230 | */ |
| 231 | |
| 232 | /* |
| 233 | * The following code cannot be run from FLASH! |
| 234 | */ |
| 235 | static ulong flash_get_size(vu_long * addr, flash_info_t * info) |
| 236 | { |
| 237 | short i; |
| 238 | FLASH_WORD_SIZE value; |
| 239 | ulong base = (ulong) addr; |
| 240 | volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) addr; |
| 241 | |
| 242 | DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); |
| 243 | |
| 244 | /* Write auto select command: read Manufacturer ID */ |
| 245 | udelay(10000); |
| 246 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = (FLASH_WORD_SIZE) 0x00AA; |
| 247 | udelay(1000); |
| 248 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = (FLASH_WORD_SIZE) 0x0055; |
| 249 | udelay(1000); |
| 250 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = (FLASH_WORD_SIZE) 0x0090; |
| 251 | udelay(1000); |
| 252 | |
| 253 | value = addr2[0]; |
| 254 | |
| 255 | DEBUGF("FLASH MANUFACT: %x\n", value); |
| 256 | |
| 257 | switch (value) { |
| 258 | case (FLASH_WORD_SIZE) AMD_MANUFACT: |
| 259 | info->flash_id = FLASH_MAN_AMD; |
| 260 | break; |
| 261 | case (FLASH_WORD_SIZE) FUJ_MANUFACT: |
| 262 | info->flash_id = FLASH_MAN_FUJ; |
| 263 | break; |
| 264 | case (FLASH_WORD_SIZE) SST_MANUFACT: |
| 265 | info->flash_id = FLASH_MAN_SST; |
| 266 | break; |
| 267 | case (FLASH_WORD_SIZE) STM_MANUFACT: |
| 268 | info->flash_id = FLASH_MAN_STM; |
| 269 | break; |
| 270 | default: |
| 271 | info->flash_id = FLASH_UNKNOWN; |
| 272 | info->sector_count = 0; |
| 273 | info->size = 0; |
| 274 | return (0); /* no or unknown flash */ |
| 275 | } |
| 276 | |
| 277 | #ifdef CONFIG_ADCIOP |
| 278 | value = addr2[0]; /* device ID */ |
| 279 | debug("\ndev_code=%x\n", value); |
| 280 | #else |
| 281 | value = addr2[1]; /* device ID */ |
| 282 | #endif |
| 283 | |
| 284 | DEBUGF("\nFLASH DEVICEID: %x\n", value); |
| 285 | |
| 286 | info->flash_id = 0; |
| 287 | info->sector_count = CFG_MAX_FLASH_SECT; |
| 288 | info->size = 0x02000000; |
| 289 | |
| 290 | /* set up sector start address table */ |
| 291 | for (i = 0; i < info->sector_count; i++) { |
| 292 | info->start[i] = (int)base + (i * 0x00020000); |
| 293 | info->protect[i] = 0; |
| 294 | } |
| 295 | |
| 296 | *(FLASH_WORD_SIZE *) ((int)addr) = (FLASH_WORD_SIZE) 0x00F0; /* reset bank */ |
| 297 | |
| 298 | return (info->size); |
| 299 | } |
| 300 | |
| 301 | int wait_for_DQ7(flash_info_t * info, int sect) |
| 302 | { |
| 303 | ulong start, now, last; |
| 304 | volatile FLASH_WORD_SIZE *addr = |
| 305 | (FLASH_WORD_SIZE *) (info->start[sect]); |
| 306 | |
| 307 | start = get_timer(0); |
| 308 | last = start; |
| 309 | while ((addr[0] & (FLASH_WORD_SIZE) 0x00800080) != |
| 310 | (FLASH_WORD_SIZE) 0x00800080) { |
| 311 | if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { |
| 312 | printf("Timeout\n"); |
| 313 | return -1; |
| 314 | } |
| 315 | /* show that we're waiting */ |
| 316 | if ((now - last) > 1000) { /* every second */ |
| 317 | putc('.'); |
| 318 | last = now; |
| 319 | } |
| 320 | } |
| 321 | return 0; |
| 322 | } |
| 323 | |
| 324 | /*----------------------------------------------------------------------- |
| 325 | */ |
| 326 | |
| 327 | int flash_erase(flash_info_t * info, int s_first, int s_last) |
| 328 | { |
| 329 | volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *) (info->start[0]); |
| 330 | volatile FLASH_WORD_SIZE *addr2; |
| 331 | int flag, prot, sect, l_sect; |
| 332 | |
| 333 | if ((s_first < 0) || (s_first > s_last)) { |
| 334 | if (info->flash_id == FLASH_UNKNOWN) { |
| 335 | printf("- missing\n"); |
| 336 | } else { |
| 337 | printf("- no sectors to erase\n"); |
| 338 | } |
| 339 | return 1; |
| 340 | } |
| 341 | |
| 342 | if (info->flash_id == FLASH_UNKNOWN) { |
| 343 | printf("Can't erase unknown flash type - aborted\n"); |
| 344 | return 1; |
| 345 | } |
| 346 | |
| 347 | prot = 0; |
| 348 | for (sect = s_first; sect <= s_last; ++sect) { |
| 349 | if (info->protect[sect]) { |
| 350 | prot++; |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | if (prot) { |
| 355 | printf("- Warning: %d protected sectors will not be erased!\n", |
| 356 | prot); |
| 357 | } else { |
| 358 | printf("\n"); |
| 359 | } |
| 360 | |
| 361 | l_sect = -1; |
| 362 | |
| 363 | /* Disable interrupts which might cause a timeout here */ |
| 364 | flag = disable_interrupts(); |
| 365 | |
| 366 | /* Start erase on unprotected sectors */ |
| 367 | for (sect = s_first; sect <= s_last; sect++) { |
| 368 | if (info->protect[sect] == 0) { /* not protected */ |
| 369 | addr2 = (FLASH_WORD_SIZE *) (info->start[sect]); |
| 370 | printf("Erasing sector %p\n", addr2); |
| 371 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = |
| 372 | (FLASH_WORD_SIZE) 0x00AA; |
| 373 | asm("sync"); |
| 374 | asm("isync"); |
| 375 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = |
| 376 | (FLASH_WORD_SIZE) 0x0055; |
| 377 | asm("sync"); |
| 378 | asm("isync"); |
| 379 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = |
| 380 | (FLASH_WORD_SIZE) 0x0080; |
| 381 | asm("sync"); |
| 382 | asm("isync"); |
| 383 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = |
| 384 | (FLASH_WORD_SIZE) 0x00AA; |
| 385 | asm("sync"); |
| 386 | asm("isync"); |
| 387 | *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = |
| 388 | (FLASH_WORD_SIZE) 0x0055; |
| 389 | asm("sync"); |
| 390 | asm("isync"); |
| 391 | addr2[0] = (FLASH_WORD_SIZE) 0x00300030; /* sector erase */ |
| 392 | asm("sync"); |
| 393 | asm("isync"); |
| 394 | |
| 395 | l_sect = sect; |
| 396 | /* |
| 397 | * Wait for each sector to complete, it's more |
| 398 | * reliable. According to AMD Spec, you must |
| 399 | * issue all erase commands within a specified |
| 400 | * timeout. This has been seen to fail, especially |
| 401 | * if printf()s are included (for debug)!! |
| 402 | */ |
| 403 | wait_for_DQ7(info, sect); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | /* re-enable interrupts if necessary */ |
| 408 | if (flag) |
| 409 | enable_interrupts(); |
| 410 | |
| 411 | /* wait at least 80us - let's wait 1 ms */ |
| 412 | udelay(1000); |
| 413 | |
| 414 | #if 0 |
| 415 | /* |
| 416 | * We wait for the last triggered sector |
| 417 | */ |
| 418 | if (l_sect < 0) |
| 419 | goto DONE; |
| 420 | wait_for_DQ7(info, l_sect); |
| 421 | |
| 422 | DONE: |
| 423 | #endif |
| 424 | /* reset to read mode */ |
| 425 | addr = (FLASH_WORD_SIZE *) info->start[0]; |
| 426 | addr[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ |
| 427 | |
| 428 | printf(" done\n"); |
| 429 | return 0; |
| 430 | } |
| 431 | |
| 432 | /*----------------------------------------------------------------------- |
| 433 | * Copy memory to flash, returns: |
| 434 | * 0 - OK |
| 435 | * 1 - write timeout |
| 436 | * 2 - Flash not erased |
| 437 | */ |
| 438 | int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
| 439 | { |
| 440 | ulong cp, wp, data; |
| 441 | int i, l, rc; |
| 442 | ulong status_value = 0; |
| 443 | |
| 444 | wp = (addr & ~3); /* get lower word aligned address */ |
| 445 | |
| 446 | /* |
| 447 | * handle unaligned start bytes |
| 448 | */ |
| 449 | if ((l = addr - wp) != 0) { |
| 450 | data = 0; |
| 451 | for (i = 0, cp = wp; i < l; ++i, ++cp) { |
| 452 | data = (data << 8) | (*(uchar *) cp); |
| 453 | } |
| 454 | for (; i < 4 && cnt > 0; ++i) { |
| 455 | data = (data << 8) | *src++; |
| 456 | --cnt; |
| 457 | ++cp; |
| 458 | } |
| 459 | for (; cnt == 0 && i < 4; ++i, ++cp) { |
| 460 | data = (data << 8) | (*(uchar *) cp); |
| 461 | } |
| 462 | |
| 463 | if ((rc = write_word(info, wp, data)) != 0) { |
| 464 | return (rc); |
| 465 | } |
| 466 | wp += 4; |
| 467 | } |
| 468 | |
| 469 | /* |
| 470 | * handle word aligned part |
| 471 | */ |
| 472 | while (cnt >= 4) { |
| 473 | |
| 474 | /*print status if needed */ |
| 475 | if ((wp >= (status_value + 0x20000)) |
| 476 | && (status_value < 0xFFFE0000)) { |
| 477 | status_value = wp; |
| 478 | printf("writing to sector 0x%X\n", status_value); |
| 479 | } |
| 480 | |
| 481 | data = 0; |
| 482 | for (i = 0; i < 4; ++i) { |
| 483 | data = (data << 8) | *src++; |
| 484 | } |
| 485 | if ((rc = write_word(info, wp, data)) != 0) { |
| 486 | return (rc); |
| 487 | } |
| 488 | wp += 4; |
| 489 | cnt -= 4; |
| 490 | } |
| 491 | |
| 492 | if (cnt == 0) { |
| 493 | return (0); |
| 494 | } |
| 495 | |
| 496 | /* |
| 497 | * handle unaligned tail bytes |
| 498 | */ |
| 499 | data = 0; |
| 500 | for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { |
| 501 | data = (data << 8) | *src++; |
| 502 | --cnt; |
| 503 | } |
| 504 | for (; i < 4; ++i, ++cp) { |
| 505 | data = (data << 8) | (*(uchar *) cp); |
| 506 | } |
| 507 | |
| 508 | return (write_word(info, wp, data)); |
| 509 | } |
| 510 | |
| 511 | /*----------------------------------------------------------------------- |
| 512 | * Write a word to Flash, returns: |
| 513 | * 0 - OK |
| 514 | * 1 - write timeout |
| 515 | * 2 - Flash not erased |
| 516 | */ |
| 517 | static int write_word(flash_info_t * info, ulong dest, ulong data) |
| 518 | { |
| 519 | vu_long *addr2 = (vu_long *) (info->start[0]); |
| 520 | volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest; |
| 521 | volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data; |
| 522 | ulong start; |
| 523 | int i; |
| 524 | |
| 525 | /* Check if Flash is (sufficiently) erased */ |
| 526 | if ((*((volatile FLASH_WORD_SIZE *)dest) & |
| 527 | (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) { |
| 528 | return (2); |
| 529 | } |
| 530 | |
| 531 | for (i = 0; i < 4 / sizeof(FLASH_WORD_SIZE); i++) { |
| 532 | int flag; |
| 533 | |
| 534 | /* Disable interrupts which might cause a timeout here */ |
| 535 | flag = disable_interrupts(); |
| 536 | |
| 537 | *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR0) = |
| 538 | (FLASH_WORD_SIZE) 0x00AA; |
| 539 | asm("sync"); |
| 540 | asm("isync"); |
| 541 | *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR1) = |
| 542 | (FLASH_WORD_SIZE) 0x0055; |
| 543 | asm("sync"); |
| 544 | asm("isync"); |
| 545 | *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR0) = |
| 546 | (FLASH_WORD_SIZE) 0x00A0; |
| 547 | asm("sync"); |
| 548 | asm("isync"); |
| 549 | |
| 550 | dest2[i] = data2[i]; |
| 551 | |
| 552 | /* re-enable interrupts if necessary */ |
| 553 | if (flag) |
| 554 | enable_interrupts(); |
| 555 | |
| 556 | /* data polling for D7 */ |
| 557 | start = get_timer(0); |
| 558 | while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) != |
| 559 | (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) { |
| 560 | |
| 561 | if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { |
| 562 | return (1); |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | return (0); |
| 568 | } |
| 569 | |
| 570 | /*----------------------------------------------------------------------- |
| 571 | */ |