Commit 739192b4252352235b499388ba9974b695b0a9b1
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IDS8247: remove redundant flash.c file
The IDS8247 board is configured to use the CFI flash driver, so drop the now redundant custom flash.c file. Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
Showing 2 changed files with 1 additions and 485 deletions Side-by-side Diff
board/ids8247/Makefile
board/ids8247/flash.c
| 1 | -/* | |
| 2 | - * (C) Copyright 2005 | |
| 3 | - * Heiko Schocher, DENX Software Engineering, <hs@denx.de> | |
| 4 | - * | |
| 5 | - * (C) Copyright 2001 | |
| 6 | - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net | |
| 7 | - * | |
| 8 | - * (C) Copyright 2001-2005 | |
| 9 | - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 10 | - * | |
| 11 | - * See file CREDITS for list of people who contributed to this | |
| 12 | - * project. | |
| 13 | - * | |
| 14 | - * This program is free software; you can redistribute it and/or | |
| 15 | - * modify it under the terms of the GNU General Public License as | |
| 16 | - * published by the Free Software Foundation; either version 2 of | |
| 17 | - * the License, or (at your option) any later version. | |
| 18 | - * | |
| 19 | - * This program is distributed in the hope that it will be useful, | |
| 20 | - * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 22 | - * GNU General Public License for more details. | |
| 23 | - * | |
| 24 | - * You should have received a copy of the GNU General Public License | |
| 25 | - * along with this program; if not, write to the Free Software | |
| 26 | - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 27 | - * MA 02111-1307 USA | |
| 28 | - */ | |
| 29 | - | |
| 30 | -#undef DEBUG | |
| 31 | - | |
| 32 | -#include <common.h> | |
| 33 | - | |
| 34 | -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ | |
| 35 | - | |
| 36 | -#if defined(CONFIG_ENV_IS_IN_FLASH) | |
| 37 | -# ifndef CONFIG_ENV_ADDR | |
| 38 | -# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) | |
| 39 | -# endif | |
| 40 | -# ifndef CONFIG_ENV_SIZE | |
| 41 | -# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE | |
| 42 | -# endif | |
| 43 | -# ifndef CONFIG_ENV_SECT_SIZE | |
| 44 | -# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE | |
| 45 | -# endif | |
| 46 | -#endif | |
| 47 | - | |
| 48 | -/*----------------------------------------------------------------------- | |
| 49 | - * Protection Flags: | |
| 50 | - */ | |
| 51 | -#define FLAG_PROTECT_SET 0x01 | |
| 52 | -#define FLAG_PROTECT_CLEAR 0x02 | |
| 53 | - | |
| 54 | -/* Board support for 1 or 2 flash devices */ | |
| 55 | -#undef FLASH_PORT_WIDTH32 | |
| 56 | -#undef FLASH_PORT_WIDTH16 | |
| 57 | -#define FLASH_PORT_WIDTH8 | |
| 58 | - | |
| 59 | -#ifdef FLASH_PORT_WIDTH16 | |
| 60 | -#define FLASH_PORT_WIDTH ushort | |
| 61 | -#define FLASH_PORT_WIDTHV vu_short | |
| 62 | -#elif FLASH_PORT_WIDTH32 | |
| 63 | -#define FLASH_PORT_WIDTH ulong | |
| 64 | -#define FLASH_PORT_WIDTHV vu_long | |
| 65 | -#else /* FLASH_PORT_WIDTH8 */ | |
| 66 | -#define FLASH_PORT_WIDTH uchar | |
| 67 | -#define FLASH_PORT_WIDTHV vu_char | |
| 68 | -#endif | |
| 69 | - | |
| 70 | -#define FPW FLASH_PORT_WIDTH | |
| 71 | -#define FPWV FLASH_PORT_WIDTHV | |
| 72 | - | |
| 73 | -/*----------------------------------------------------------------------- | |
| 74 | - * Functions | |
| 75 | - */ | |
| 76 | -static ulong flash_get_size (FPWV * addr, flash_info_t * info); | |
| 77 | -static int write_data (flash_info_t * info, ulong dest, FPW data); | |
| 78 | -static void flash_get_offsets (ulong base, flash_info_t * info); | |
| 79 | - | |
| 80 | -/*----------------------------------------------------------------------- | |
| 81 | - */ | |
| 82 | - | |
| 83 | -unsigned long flash_init (void) | |
| 84 | -{ | |
| 85 | - unsigned long size_b0; | |
| 86 | - int i; | |
| 87 | - volatile immap_t * immr = (immap_t *)CONFIG_SYS_IMMR; | |
| 88 | - volatile memctl8260_t *memctl = &immr->im_memctl; | |
| 89 | - | |
| 90 | - /* Init: no FLASHes known */ | |
| 91 | - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { | |
| 92 | - flash_info[i].flash_id = FLASH_UNKNOWN; | |
| 93 | - } | |
| 94 | - | |
| 95 | - /* Static FLASH Bank configuration here - FIXME XXX */ | |
| 96 | - size_b0 = flash_get_size ((FPW *) CONFIG_SYS_FLASH0_BASE, &flash_info[0]); | |
| 97 | - | |
| 98 | - if (flash_info[0].flash_id == FLASH_UNKNOWN) { | |
| 99 | - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", | |
| 100 | - size_b0, size_b0 << 20); | |
| 101 | - } | |
| 102 | - | |
| 103 | - memctl->memc_or0 = 0xff800060; | |
| 104 | - memctl->memc_br0 = 0xff800801; | |
| 105 | - | |
| 106 | - flash_get_offsets (0xff800000, &flash_info[0]); | |
| 107 | - | |
| 108 | -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE | |
| 109 | - /* monitor protection ON by default */ | |
| 110 | - (void) flash_protect (FLAG_PROTECT_SET, | |
| 111 | - CONFIG_SYS_MONITOR_BASE, | |
| 112 | - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, | |
| 113 | - &flash_info[0]); | |
| 114 | -#endif | |
| 115 | - | |
| 116 | -#ifdef CONFIG_ENV_IS_IN_FLASH | |
| 117 | - /* ENV protection ON by default */ | |
| 118 | - flash_protect (FLAG_PROTECT_SET, | |
| 119 | - CONFIG_ENV_ADDR, | |
| 120 | - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, | |
| 121 | - &flash_info[0]); | |
| 122 | -#endif | |
| 123 | - | |
| 124 | - flash_info[0].size = size_b0; | |
| 125 | - | |
| 126 | - return (size_b0); | |
| 127 | -} | |
| 128 | - | |
| 129 | -/*----------------------------------------------------------------------- | |
| 130 | - */ | |
| 131 | -static void flash_get_offsets (ulong base, flash_info_t * info) | |
| 132 | -{ | |
| 133 | - int i; | |
| 134 | - | |
| 135 | - if (info->flash_id == FLASH_UNKNOWN) { | |
| 136 | - return; | |
| 137 | - } | |
| 138 | - | |
| 139 | - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { | |
| 140 | - for (i = 0; i < info->sector_count; i++) { | |
| 141 | - info->start[i] = base + (i * 0x00020000); | |
| 142 | - } | |
| 143 | - } | |
| 144 | -} | |
| 145 | - | |
| 146 | -/*----------------------------------------------------------------------- | |
| 147 | - */ | |
| 148 | -void flash_print_info (flash_info_t * info) | |
| 149 | -{ | |
| 150 | - int i; | |
| 151 | - | |
| 152 | - if (info->flash_id == FLASH_UNKNOWN) { | |
| 153 | - printf ("missing or unknown FLASH type\n"); | |
| 154 | - return; | |
| 155 | - } | |
| 156 | - | |
| 157 | - switch (info->flash_id & FLASH_VENDMASK) { | |
| 158 | - case FLASH_MAN_INTEL: | |
| 159 | - printf ("INTEL "); | |
| 160 | - break; | |
| 161 | - default: | |
| 162 | - printf ("Unknown Vendor "); | |
| 163 | - break; | |
| 164 | - } | |
| 165 | - | |
| 166 | - switch (info->flash_id & FLASH_TYPEMASK) { | |
| 167 | - case FLASH_28F320J3A: | |
| 168 | - printf ("28F320J3A\n"); | |
| 169 | - break; | |
| 170 | - case FLASH_28F640J3A: | |
| 171 | - printf ("28F640J3A\n"); | |
| 172 | - break; | |
| 173 | - case FLASH_28F128J3A: | |
| 174 | - printf ("28F128J3A\n"); | |
| 175 | - break; | |
| 176 | - default: | |
| 177 | - printf ("Unknown Chip Type\n"); | |
| 178 | - break; | |
| 179 | - } | |
| 180 | - | |
| 181 | - printf (" Size: %ld MB in %d Sectors\n", | |
| 182 | - info->size >> 20, info->sector_count); | |
| 183 | - | |
| 184 | - printf (" Sector Start Addresses:"); | |
| 185 | - for (i = 0; i < info->sector_count; ++i) { | |
| 186 | - if ((i % 5) == 0) | |
| 187 | - printf ("\n "); | |
| 188 | - printf (" %08lX%s", | |
| 189 | - info->start[i], | |
| 190 | - info->protect[i] ? " (RO)" : " "); | |
| 191 | - } | |
| 192 | - printf ("\n"); | |
| 193 | - return; | |
| 194 | -} | |
| 195 | - | |
| 196 | -/*----------------------------------------------------------------------- | |
| 197 | - */ | |
| 198 | - | |
| 199 | - | |
| 200 | -/*----------------------------------------------------------------------- | |
| 201 | - */ | |
| 202 | - | |
| 203 | -/* | |
| 204 | - * The following code cannot be run from FLASH! | |
| 205 | - */ | |
| 206 | - | |
| 207 | -static ulong flash_get_size (FPWV * addr, flash_info_t * info) | |
| 208 | -{ | |
| 209 | - FPW value; | |
| 210 | - | |
| 211 | - addr[0] = (FPW) 0x00900090; | |
| 212 | - | |
| 213 | - value = addr[0]; | |
| 214 | - | |
| 215 | - debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value); | |
| 216 | - | |
| 217 | - switch (value) { | |
| 218 | - case (FPW) INTEL_MANUFACT: | |
| 219 | - info->flash_id = FLASH_MAN_INTEL; | |
| 220 | - break; | |
| 221 | - default: | |
| 222 | - info->flash_id = FLASH_UNKNOWN; | |
| 223 | - info->sector_count = 0; | |
| 224 | - info->size = 0; | |
| 225 | - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ | |
| 226 | - return (0); /* no or unknown flash */ | |
| 227 | - } | |
| 228 | - | |
| 229 | -#ifdef FLASH_PORT_WIDTH8 | |
| 230 | - value = addr[2]; /* device ID */ | |
| 231 | -#else | |
| 232 | - value = addr[1]; /* device ID */ | |
| 233 | -#endif | |
| 234 | - | |
| 235 | - debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value); | |
| 236 | - | |
| 237 | - switch (value) { | |
| 238 | - case (FPW) INTEL_ID_28F320J3A: | |
| 239 | - info->flash_id += FLASH_28F320J3A; | |
| 240 | - info->sector_count = 32; | |
| 241 | - info->size = 0x00400000; | |
| 242 | - break; /* => 4 MB */ | |
| 243 | - | |
| 244 | - case (FPW) INTEL_ID_28F640J3A: | |
| 245 | - info->flash_id += FLASH_28F640J3A; | |
| 246 | - info->sector_count = 64; | |
| 247 | - info->size = 0x00800000; | |
| 248 | - break; /* => 8 MB */ | |
| 249 | - | |
| 250 | - case (FPW) INTEL_ID_28F128J3A: | |
| 251 | - info->flash_id += FLASH_28F128J3A; | |
| 252 | - info->sector_count = 128; | |
| 253 | - info->size = 0x01000000; | |
| 254 | - break; /* => 16 MB */ | |
| 255 | - | |
| 256 | - default: | |
| 257 | - info->flash_id = FLASH_UNKNOWN; | |
| 258 | - break; | |
| 259 | - } | |
| 260 | - | |
| 261 | - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { | |
| 262 | - printf ("** ERROR: sector count %d > max (%d) **\n", | |
| 263 | - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); | |
| 264 | - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; | |
| 265 | - } | |
| 266 | - | |
| 267 | - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ | |
| 268 | - | |
| 269 | - return (info->size); | |
| 270 | -} | |
| 271 | - | |
| 272 | - | |
| 273 | -/*----------------------------------------------------------------------- | |
| 274 | - */ | |
| 275 | - | |
| 276 | -int flash_erase (flash_info_t * info, int s_first, int s_last) | |
| 277 | -{ | |
| 278 | - int flag, prot, sect; | |
| 279 | - ulong type, start, now, last; | |
| 280 | - int rcode = 0; | |
| 281 | - | |
| 282 | - if ((s_first < 0) || (s_first > s_last)) { | |
| 283 | - if (info->flash_id == FLASH_UNKNOWN) { | |
| 284 | - printf ("- missing\n"); | |
| 285 | - } else { | |
| 286 | - printf ("- no sectors to erase\n"); | |
| 287 | - } | |
| 288 | - return 1; | |
| 289 | - } | |
| 290 | - | |
| 291 | - type = (info->flash_id & FLASH_VENDMASK); | |
| 292 | - if ((type != FLASH_MAN_INTEL)) { | |
| 293 | - printf ("Can't erase unknown flash type %08lx - aborted\n", | |
| 294 | - info->flash_id); | |
| 295 | - return 1; | |
| 296 | - } | |
| 297 | - | |
| 298 | - prot = 0; | |
| 299 | - for (sect = s_first; sect <= s_last; ++sect) { | |
| 300 | - if (info->protect[sect]) { | |
| 301 | - prot++; | |
| 302 | - } | |
| 303 | - } | |
| 304 | - | |
| 305 | - if (prot) { | |
| 306 | - printf ("- Warning: %d protected sectors will not be erased!\n", | |
| 307 | - prot); | |
| 308 | - } else { | |
| 309 | - printf ("\n"); | |
| 310 | - } | |
| 311 | - | |
| 312 | - start = get_timer (0); | |
| 313 | - last = start; | |
| 314 | - /* Start erase on unprotected sectors */ | |
| 315 | - for (sect = s_first; sect <= s_last; sect++) { | |
| 316 | - if (info->protect[sect] == 0) { /* not protected */ | |
| 317 | - FPWV *addr = (FPWV *) (info->start[sect]); | |
| 318 | - FPW status; | |
| 319 | - | |
| 320 | - /* Disable interrupts which might cause a timeout here */ | |
| 321 | - flag = disable_interrupts (); | |
| 322 | - | |
| 323 | - *addr = (FPW) 0x00500050; /* clear status register */ | |
| 324 | - *addr = (FPW) 0x00200020; /* erase setup */ | |
| 325 | - *addr = (FPW) 0x00D000D0; /* erase confirm */ | |
| 326 | - | |
| 327 | - /* re-enable interrupts if necessary */ | |
| 328 | - if (flag) | |
| 329 | - enable_interrupts (); | |
| 330 | - | |
| 331 | - /* wait at least 80us - let's wait 1 ms */ | |
| 332 | - udelay (1000); | |
| 333 | - | |
| 334 | - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { | |
| 335 | - if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { | |
| 336 | - printf ("Timeout\n"); | |
| 337 | - *addr = (FPW) 0x00B000B0; /* suspend erase */ | |
| 338 | - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ | |
| 339 | - rcode = 1; | |
| 340 | - break; | |
| 341 | - } | |
| 342 | - | |
| 343 | - /* show that we're waiting */ | |
| 344 | - if ((now - last) > 1000) { /* every second */ | |
| 345 | - putc ('.'); | |
| 346 | - last = now; | |
| 347 | - } | |
| 348 | - } | |
| 349 | - | |
| 350 | - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ | |
| 351 | - } | |
| 352 | - } | |
| 353 | - printf (" done\n"); | |
| 354 | - return rcode; | |
| 355 | -} | |
| 356 | - | |
| 357 | -/*----------------------------------------------------------------------- | |
| 358 | - * Copy memory to flash, returns: | |
| 359 | - * 0 - OK | |
| 360 | - * 1 - write timeout | |
| 361 | - * 2 - Flash not erased | |
| 362 | - * 4 - Flash not identified | |
| 363 | - */ | |
| 364 | - | |
| 365 | -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) | |
| 366 | -{ | |
| 367 | - ulong cp, wp; | |
| 368 | - FPW data; | |
| 369 | - | |
| 370 | - int i, l, rc, port_width; | |
| 371 | - | |
| 372 | - if (info->flash_id == FLASH_UNKNOWN) { | |
| 373 | - return 4; | |
| 374 | - } | |
| 375 | -/* get lower word aligned address */ | |
| 376 | -#ifdef FLASH_PORT_WIDTH16 | |
| 377 | - wp = (addr & ~1); | |
| 378 | - port_width = 2; | |
| 379 | -#elif defined(FLASH_PORT_WIDTH32) | |
| 380 | - wp = (addr & ~3); | |
| 381 | - port_width = 4; | |
| 382 | -#else | |
| 383 | - wp = addr; | |
| 384 | - port_width = 1; | |
| 385 | -#endif | |
| 386 | - | |
| 387 | - /* | |
| 388 | - * handle unaligned start bytes | |
| 389 | - */ | |
| 390 | - if ((l = addr - wp) != 0) { | |
| 391 | - data = 0; | |
| 392 | - for (i = 0, cp = wp; i < l; ++i, ++cp) { | |
| 393 | - data = (data << 8) | (*(uchar *) cp); | |
| 394 | - } | |
| 395 | - for (; i < port_width && cnt > 0; ++i) { | |
| 396 | - data = (data << 8) | *src++; | |
| 397 | - --cnt; | |
| 398 | - ++cp; | |
| 399 | - } | |
| 400 | - for (; cnt == 0 && i < port_width; ++i, ++cp) { | |
| 401 | - data = (data << 8) | (*(uchar *) cp); | |
| 402 | - } | |
| 403 | - | |
| 404 | - if ((rc = write_data (info, wp, data)) != 0) { | |
| 405 | - return (rc); | |
| 406 | - } | |
| 407 | - wp += port_width; | |
| 408 | - } | |
| 409 | - | |
| 410 | - /* | |
| 411 | - * handle word aligned part | |
| 412 | - */ | |
| 413 | - while (cnt >= port_width) { | |
| 414 | - data = 0; | |
| 415 | - for (i = 0; i < port_width; ++i) { | |
| 416 | - data = (data << 8) | *src++; | |
| 417 | - } | |
| 418 | - if ((rc = write_data (info, wp, data)) != 0) { | |
| 419 | - return (rc); | |
| 420 | - } | |
| 421 | - wp += port_width; | |
| 422 | - cnt -= port_width; | |
| 423 | - } | |
| 424 | - | |
| 425 | - if (cnt == 0) { | |
| 426 | - return (0); | |
| 427 | - } | |
| 428 | - | |
| 429 | - /* | |
| 430 | - * handle unaligned tail bytes | |
| 431 | - */ | |
| 432 | - data = 0; | |
| 433 | - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { | |
| 434 | - data = (data << 8) | *src++; | |
| 435 | - --cnt; | |
| 436 | - } | |
| 437 | - for (; i < port_width; ++i, ++cp) { | |
| 438 | - data = (data << 8) | (*(uchar *) cp); | |
| 439 | - } | |
| 440 | - | |
| 441 | - return (write_data (info, wp, data)); | |
| 442 | -} | |
| 443 | - | |
| 444 | -/*----------------------------------------------------------------------- | |
| 445 | - * Write a word or halfword to Flash, returns: | |
| 446 | - * 0 - OK | |
| 447 | - * 1 - write timeout | |
| 448 | - * 2 - Flash not erased | |
| 449 | - */ | |
| 450 | -static int write_data (flash_info_t * info, ulong dest, FPW data) | |
| 451 | -{ | |
| 452 | - FPWV *addr = (FPWV *) dest; | |
| 453 | - ulong status; | |
| 454 | - ulong start; | |
| 455 | - int flag; | |
| 456 | - | |
| 457 | - /* Check if Flash is (sufficiently) erased */ | |
| 458 | - if ((*addr & data) != data) { | |
| 459 | - printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr); | |
| 460 | - return (2); | |
| 461 | - } | |
| 462 | - /* Disable interrupts which might cause a timeout here */ | |
| 463 | - flag = disable_interrupts (); | |
| 464 | - | |
| 465 | - *addr = (FPW) 0x00400040; /* write setup */ | |
| 466 | - *addr = data; | |
| 467 | - | |
| 468 | - /* re-enable interrupts if necessary */ | |
| 469 | - if (flag) | |
| 470 | - enable_interrupts (); | |
| 471 | - | |
| 472 | - start = get_timer (0); | |
| 473 | - | |
| 474 | - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { | |
| 475 | - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { | |
| 476 | - *addr = (FPW) 0x00FF00FF; /* restore read mode */ | |
| 477 | - return (1); | |
| 478 | - } | |
| 479 | - } | |
| 480 | - | |
| 481 | - *addr = (FPW) 0x00FF00FF; /* restore read mode */ | |
| 482 | - | |
| 483 | - return (0); | |
| 484 | -} |