mtd: nand: new base driver for memory mapped nand devices
[people/ms/u-boot.git] / common / cmd_nand.c
CommitLineData
dc7c9a1a
WD
1/*
2 * Driver for NAND support, Rick Bronson
3 * borrowed heavily from:
4 * (c) 1999 Machine Vision Holdings, Inc.
5 * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
384cc687
WD
6 *
7 * Added 16-bit nand support
8 * (C) 2004 Texas Instruments
dc7c9a1a
WD
9 */
10
11#include <common.h>
addb2e16
BS
12
13
cc4a0cee 14#ifndef CONFIG_NAND_LEGACY
addb2e16
BS
15/*
16 *
17 * New NAND support
18 *
19 */
20#include <common.h>
cfa460ad 21#include <linux/mtd/mtd.h>
addb2e16 22
c76fe474 23#if defined(CONFIG_CMD_NAND)
addb2e16
BS
24
25#include <command.h>
26#include <watchdog.h>
27#include <malloc.h>
28#include <asm/byteorder.h>
addb2e16
BS
29#include <jffs2/jffs2.h>
30#include <nand.h>
31
0c8a8491 32#if defined(CONFIG_CMD_MTDPARTS)
856f0544
SR
33
34/* parition handling routines */
35int mtdparts_init(void);
36int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
37int find_dev_and_part(const char *id, struct mtd_device **dev,
4b070809 38 u8 *part_num, struct part_info **part);
856f0544
SR
39#endif
40
9ad754fe 41static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
addb2e16
BS
42{
43 int i;
9ad754fe 44 u_char *datbuf, *oobbuf, *p;
addb2e16 45
9ad754fe
WJ
46 datbuf = malloc(nand->writesize + nand->oobsize);
47 oobbuf = malloc(nand->oobsize);
48 if (!datbuf || !oobbuf) {
addb2e16
BS
49 puts("No memory for page buffer\n");
50 return 1;
51 }
cfa460ad 52 off &= ~(nand->writesize - 1);
cfa460ad 53 loff_t addr = (loff_t) off;
9ad754fe
WJ
54 struct mtd_oob_ops ops;
55 memset(&ops, 0, sizeof(ops));
56 ops.datbuf = datbuf;
57 ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
58 ops.len = nand->writesize;
59 ops.ooblen = nand->oobsize;
60 ops.mode = MTD_OOB_RAW;
61 i = nand->read_oob(nand, addr, &ops);
addb2e16 62 if (i < 0) {
e870690b 63 printf("Error (%d) reading page %08lx\n", i, off);
9ad754fe
WJ
64 free(datbuf);
65 free(oobbuf);
addb2e16
BS
66 return 1;
67 }
e870690b 68 printf("Page %08lx dump:\n", off);
9ad754fe
WJ
69 i = nand->writesize >> 4;
70 p = datbuf;
4b070809 71
addb2e16 72 while (i--) {
9ad754fe
WJ
73 if (!only_oob)
74 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
75 " %02x %02x %02x %02x %02x %02x %02x %02x\n",
76 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
dfbf617f
SW
77 p[8], p[9], p[10], p[11], p[12], p[13], p[14],
78 p[15]);
addb2e16
BS
79 p += 16;
80 }
81 puts("OOB:\n");
82 i = nand->oobsize >> 3;
83 while (i--) {
cfa460ad
WJ
84 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
85 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
addb2e16
BS
86 p += 8;
87 }
9ad754fe
WJ
88 free(datbuf);
89 free(oobbuf);
addb2e16
BS
90
91 return 0;
92}
93
94/* ------------------------------------------------------------------------- */
95
856f0544 96static inline int str2long(char *p, ulong *num)
addb2e16 97{
856f0544 98 char *endptr;
addb2e16 99
856f0544
SR
100 *num = simple_strtoul(p, &endptr, 16);
101 return (*p != '\0' && *endptr == '\0') ? 1 : 0;
102}
addb2e16 103
856f0544 104static int
4ca79f47 105arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, size_t *size)
856f0544
SR
106{
107 int idx = nand_curr_device;
0c8a8491 108#if defined(CONFIG_CMD_MTDPARTS)
856f0544
SR
109 struct mtd_device *dev;
110 struct part_info *part;
111 u8 pnum;
112
113 if (argc >= 1 && !(str2long(argv[0], off))) {
114 if ((mtdparts_init() == 0) &&
115 (find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) {
116 if (dev->id->type != MTD_DEV_TYPE_NAND) {
117 puts("not a NAND device\n");
118 return -1;
119 }
120 *off = part->offset;
121 if (argc >= 2) {
42ffcec3 122 if (!(str2long(argv[1], (ulong *)size))) {
856f0544
SR
123 printf("'%s' is not a number\n", argv[1]);
124 return -1;
125 }
126 if (*size > part->size)
127 *size = part->size;
128 } else {
129 *size = part->size;
130 }
131 idx = dev->id->num;
132 *nand = nand_info[idx];
133 goto out;
addb2e16 134 }
856f0544 135 }
addb2e16 136#endif
addb2e16 137
856f0544
SR
138 if (argc >= 1) {
139 if (!(str2long(argv[0], off))) {
140 printf("'%s' is not a number\n", argv[0]);
141 return -1;
142 }
143 } else {
144 *off = 0;
145 }
addb2e16 146
856f0544 147 if (argc >= 2) {
4ca79f47 148 if (!(str2long(argv[1], (ulong *)size))) {
856f0544
SR
149 printf("'%s' is not a number\n", argv[1]);
150 return -1;
151 }
152 } else {
153 *size = nand->size - *off;
addb2e16
BS
154 }
155
0c8a8491 156#if defined(CONFIG_CMD_MTDPARTS)
856f0544
SR
157out:
158#endif
159 printf("device %d ", idx);
160 if (*size == nand->size)
161 puts("whole chip\n");
162 else
d4bade8d 163 printf("offset 0x%lx, size 0x%zx\n", *off, *size);
856f0544 164 return 0;
addb2e16
BS
165}
166
50657c27
NM
167#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
168static void print_status(ulong start, ulong end, ulong erasesize, int status)
169{
170 printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
171 start,
172 end - 1,
173 (end - start) / erasesize,
174 ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
175 ((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
176 ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
177}
178
179static void do_nand_status(nand_info_t *nand)
180{
181 ulong block_start = 0;
182 ulong off;
183 int last_status = -1;
184
185 struct nand_chip *nand_chip = nand->priv;
186 /* check the WP bit */
187 nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1);
188 printf("device is %swrite protected\n",
189 (nand_chip->read_byte(nand) & 0x80 ?
190 "NOT " : ""));
191
192 for (off = 0; off < nand->size; off += nand->erasesize) {
193 int s = nand_get_lock_status(nand, off);
194
195 /* print message only if status has changed */
196 if (s != last_status && off != 0) {
197 print_status(block_start, off, nand->erasesize,
198 last_status);
199 block_start = off;
200 }
201 last_status = s;
202 }
203 /* Print the last block info */
204 print_status(block_start, off, nand->erasesize, last_status);
205}
206#endif
207
672ed2ae
WG
208static void nand_print_info(int idx)
209{
210 nand_info_t *nand = &nand_info[idx];
211 struct nand_chip *chip = nand->priv;
212 printf("Device %d: ", idx);
213 if (chip->numchips > 1)
214 printf("%dx ", chip->numchips);
215 printf("%s, sector size %u KiB\n",
216 nand->name, nand->erasesize >> 10);
217}
218
addb2e16
BS
219int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
220{
cfa460ad 221 int i, dev, ret = 0;
4ca79f47
WD
222 ulong addr, off;
223 size_t size;
addb2e16
BS
224 char *cmd, *s;
225 nand_info_t *nand;
6d0f6bcf
JCPV
226#ifdef CONFIG_SYS_NAND_QUIET
227 int quiet = CONFIG_SYS_NAND_QUIET;
c750d2e6 228#else
2255b2d2 229 int quiet = 0;
c750d2e6 230#endif
2255b2d2 231 const char *quiet_str = getenv("quiet");
addb2e16
BS
232
233 /* at least two arguments please */
234 if (argc < 2)
235 goto usage;
236
2255b2d2
SR
237 if (quiet_str)
238 quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
239
addb2e16
BS
240 cmd = argv[1];
241
242 if (strcmp(cmd, "info") == 0) {
243
244 putc('\n');
6d0f6bcf 245 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
addb2e16 246 if (nand_info[i].name)
672ed2ae 247 nand_print_info(i);
addb2e16
BS
248 }
249 return 0;
250 }
251
252 if (strcmp(cmd, "device") == 0) {
253
254 if (argc < 3) {
672ed2ae 255 putc('\n');
addb2e16 256 if ((nand_curr_device < 0) ||
6d0f6bcf 257 (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
672ed2ae 258 puts("no devices available\n");
addb2e16 259 else
672ed2ae 260 nand_print_info(nand_curr_device);
addb2e16
BS
261 return 0;
262 }
263 dev = (int)simple_strtoul(argv[2], NULL, 10);
6d0f6bcf 264 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev].name) {
addb2e16
BS
265 puts("No such device\n");
266 return 1;
267 }
268 printf("Device %d: %s", dev, nand_info[dev].name);
269 puts("... is now current device\n");
270 nand_curr_device = dev;
43a2b0e7 271
6d0f6bcf 272#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
43a2b0e7
SR
273 /*
274 * Select the chip in the board/cpu specific driver
275 */
276 board_nand_select_device(nand_info[dev].priv, dev);
277#endif
278
addb2e16
BS
279 return 0;
280 }
281
282 if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
3043c045
WJ
283 strncmp(cmd, "dump", 4) != 0 &&
284 strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
285 strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
286 strcmp(cmd, "biterr") != 0 &&
287 strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
addb2e16
BS
288 goto usage;
289
290 /* the following commands operate on the current device */
6d0f6bcf 291 if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
addb2e16
BS
292 !nand_info[nand_curr_device].name) {
293 puts("\nno devices available\n");
294 return 1;
295 }
296 nand = &nand_info[nand_curr_device];
297
298 if (strcmp(cmd, "bad") == 0) {
299 printf("\nDevice %d bad blocks:\n", nand_curr_device);
300 for (off = 0; off < nand->size; off += nand->erasesize)
301 if (nand_block_isbad(nand, off))
e870690b 302 printf(" %08lx\n", off);
addb2e16
BS
303 return 0;
304 }
305
856f0544
SR
306 /*
307 * Syntax is:
308 * 0 1 2 3 4
309 * nand erase [clean] [off size]
310 */
2255b2d2
SR
311 if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
312 nand_erase_options_t opts;
856f0544 313 /* "clean" at index 2 means request to write cleanmarker */
3043c045 314 int clean = argc > 2 && !strcmp("clean", argv[2]);
856f0544 315 int o = clean ? 3 : 2;
2255b2d2
SR
316 int scrub = !strcmp(cmd, "scrub");
317
856f0544
SR
318 printf("\nNAND %s: ", scrub ? "scrub" : "erase");
319 /* skip first two or three arguments, look for offset and size */
320 if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
321 return 1;
2255b2d2
SR
322
323 memset(&opts, 0, sizeof(opts));
324 opts.offset = off;
325 opts.length = size;
326 opts.jffs2 = clean;
327 opts.quiet = quiet;
328
329 if (scrub) {
856f0544
SR
330 puts("Warning: "
331 "scrub option will erase all factory set "
332 "bad blocks!\n"
333 " "
334 "There is no reliable way to recover them.\n"
335 " "
336 "Use this command only for testing purposes "
337 "if you\n"
338 " "
339 "are sure of what you are doing!\n"
340 "\nReally scrub this NAND flash? <y/N>\n");
2255b2d2
SR
341
342 if (getc() == 'y' && getc() == '\r') {
343 opts.scrub = 1;
344 } else {
856f0544 345 puts("scrub aborted\n");
2255b2d2
SR
346 return -1;
347 }
348 }
349 ret = nand_erase_opts(nand, &opts);
addb2e16
BS
350 printf("%s\n", ret ? "ERROR" : "OK");
351
352 return ret == 0 ? 0 : 1;
353 }
354
355 if (strncmp(cmd, "dump", 4) == 0) {
356 if (argc < 3)
357 goto usage;
358
359 s = strchr(cmd, '.');
360 off = (int)simple_strtoul(argv[2], NULL, 16);
361
362 if (s != NULL && strcmp(s, ".oob") == 0)
9ad754fe 363 ret = nand_dump(nand, off, 1);
addb2e16 364 else
9ad754fe 365 ret = nand_dump(nand, off, 0);
addb2e16
BS
366
367 return ret == 0 ? 1 : 0;
368
369 }
370
addb2e16 371 if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
2255b2d2
SR
372 int read;
373
addb2e16
BS
374 if (argc < 4)
375 goto usage;
2255b2d2 376
addb2e16
BS
377 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
378
2255b2d2 379 read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
856f0544
SR
380 printf("\nNAND %s: ", read ? "read" : "write");
381 if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
382 return 1;
4cbb651b 383
2255b2d2 384 s = strchr(cmd, '.');
984e03cd
SW
385 if (!s || !strcmp(s, ".jffs2") ||
386 !strcmp(s, ".e") || !strcmp(s, ".i")) {
dfbf617f
SW
387 if (read)
388 ret = nand_read_skip_bad(nand, off, &size,
4b070809 389 (u_char *)addr);
dfbf617f
SW
390 else
391 ret = nand_write_skip_bad(nand, off, &size,
4b070809 392 (u_char *)addr);
dfc99e14 393 } else if (!strcmp(s, ".oob")) {
cfa460ad
WJ
394 /* out-of-band data */
395 mtd_oob_ops_t ops = {
396 .oobbuf = (u8 *)addr,
397 .ooblen = size,
398 .mode = MTD_OOB_RAW
399 };
400
62d4f436 401 if (read)
cfa460ad 402 ret = nand->read_oob(nand, off, &ops);
62d4f436 403 else
cfa460ad 404 ret = nand->write_oob(nand, off, &ops);
856f0544 405 } else {
984e03cd
SW
406 printf("Unknown nand command suffix '%s'.\n", s);
407 return 1;
2255b2d2
SR
408 }
409
d4bade8d 410 printf(" %zu bytes %s: %s\n", size,
2255b2d2 411 read ? "read" : "written", ret ? "ERROR" : "OK");
addb2e16
BS
412
413 return ret == 0 ? 0 : 1;
414 }
2255b2d2 415
2255b2d2
SR
416 if (strcmp(cmd, "markbad") == 0) {
417 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
418
419 int ret = nand->block_markbad(nand, addr);
420 if (ret == 0) {
421 printf("block 0x%08lx successfully marked as bad\n",
422 (ulong) addr);
423 return 0;
424 } else {
425 printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
426 (ulong) addr, ret);
427 }
428 return 1;
429 }
dfbf617f 430
2255b2d2
SR
431 if (strcmp(cmd, "biterr") == 0) {
432 /* todo */
433 return 1;
434 }
435
50657c27 436#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
2255b2d2 437 if (strcmp(cmd, "lock") == 0) {
50657c27 438 int tight = 0;
2255b2d2
SR
439 int status = 0;
440 if (argc == 3) {
441 if (!strcmp("tight", argv[2]))
442 tight = 1;
443 if (!strcmp("status", argv[2]))
444 status = 1;
445 }
2255b2d2 446 if (status) {
50657c27 447 do_nand_status(nand);
cfa460ad 448 } else {
5e1dae5c
WJ
449 if (!nand_lock(nand, tight)) {
450 puts("NAND flash successfully locked\n");
451 } else {
452 puts("Error locking NAND flash\n");
453 return 1;
454 }
2255b2d2
SR
455 }
456 return 0;
457 }
458
459 if (strcmp(cmd, "unlock") == 0) {
856f0544
SR
460 if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
461 return 1;
2255b2d2 462
5e1dae5c
WJ
463 if (!nand_unlock(nand, off, size)) {
464 puts("NAND flash successfully unlocked\n");
465 } else {
466 puts("Error unlocking NAND flash, "
3043c045 467 "write and erase will probably fail\n");
5e1dae5c
WJ
468 return 1;
469 }
2255b2d2
SR
470 return 0;
471 }
50657c27 472#endif
2255b2d2 473
addb2e16 474usage:
62c3ae7c 475 cmd_usage(cmdtp);
addb2e16
BS
476 return 1;
477}
478
a89c33db
WD
479U_BOOT_CMD(nand, CONFIG_SYS_MAXARGS, 1, do_nand,
480 "NAND sub-system",
481 "info - show available NAND devices\n"
482 "nand device [dev] - show or set current device\n"
483 "nand read - addr off|partition size\n"
484 "nand write - addr off|partition size\n"
485 " read/write 'size' bytes starting at offset 'off'\n"
486 " to/from memory address 'addr', skipping bad blocks.\n"
487 "nand erase [clean] [off size] - erase 'size' bytes from\n"
488 " offset 'off' (entire device if not specified)\n"
489 "nand bad - show bad blocks\n"
490 "nand dump[.oob] off - dump page\n"
491 "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
492 "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
493 "nand biterr off - make a bit error at offset (UNSAFE)"
50657c27 494#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
a89c33db
WD
495 "\n"
496 "nand lock [tight] [status]\n"
497 " bring nand to lock state or display locked pages\n"
498 "nand unlock [offset] [size] - unlock section"
50657c27
NM
499#endif
500);
addb2e16 501
856f0544 502static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
4b070809 503 ulong offset, ulong addr, char *cmd)
addb2e16 504{
addb2e16 505 int r;
10e03893 506 char *ep, *s;
4ca79f47 507 size_t cnt;
addb2e16 508 image_header_t *hdr;
09475f75 509#if defined(CONFIG_FIT)
3bab76a2 510 const void *fit_hdr = NULL;
09475f75 511#endif
10e03893
TK
512
513 s = strchr(cmd, '.');
514 if (s != NULL &&
65d8bc94 515 (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
984e03cd
SW
516 printf("Unknown nand load suffix '%s'\n", s);
517 show_boot_progress(-53);
518 return 1;
519 }
addb2e16 520
856f0544 521 printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
addb2e16 522
cfa460ad 523 cnt = nand->writesize;
09875055 524 r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
addb2e16 525 if (r) {
856f0544 526 puts("** Read error\n");
fad63407 527 show_boot_progress (-56);
addb2e16
BS
528 return 1;
529 }
fad63407 530 show_boot_progress (56);
addb2e16 531
9a4daad0 532 switch (genimg_get_format ((void *)addr)) {
d5934ad7
MB
533 case IMAGE_FORMAT_LEGACY:
534 hdr = (image_header_t *)addr;
535
d5934ad7 536 show_boot_progress (57);
d5934ad7 537 image_print_contents (hdr);
addb2e16 538
d5934ad7
MB
539 cnt = image_get_image_size (hdr);
540 break;
541#if defined(CONFIG_FIT)
542 case IMAGE_FORMAT_FIT:
09475f75 543 fit_hdr = (const void *)addr;
09475f75
MB
544 puts ("Fit image detected...\n");
545
546 cnt = fit_get_size (fit_hdr);
547 break;
d5934ad7
MB
548#endif
549 default:
09475f75 550 show_boot_progress (-57);
d5934ad7 551 puts ("** Unknown image type\n");
addb2e16
BS
552 return 1;
553 }
3043c045 554 show_boot_progress (57);
addb2e16 555
09875055 556 r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
addb2e16 557 if (r) {
856f0544 558 puts("** Read error\n");
fad63407 559 show_boot_progress (-58);
addb2e16
BS
560 return 1;
561 }
fad63407 562 show_boot_progress (58);
addb2e16 563
09475f75
MB
564#if defined(CONFIG_FIT)
565 /* This cannot be done earlier, we need complete FIT image in RAM first */
3bab76a2
MB
566 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
567 if (!fit_check_format (fit_hdr)) {
568 show_boot_progress (-150);
569 puts ("** Bad FIT image format\n");
570 return 1;
571 }
572 show_boot_progress (151);
573 fit_print_contents (fit_hdr);
574 }
09475f75
MB
575#endif
576
addb2e16
BS
577 /* Loading ok, update default load address */
578
579 load_addr = addr;
580
581 /* Check if we should attempt an auto-start */
582 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
583 char *local_args[2];
584 extern int do_bootm(cmd_tbl_t *, int, int, char *[]);
585
856f0544 586 local_args[0] = cmd;
addb2e16
BS
587 local_args[1] = NULL;
588
589 printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
590
591 do_bootm(cmdtp, 0, 1, local_args);
592 return 1;
593 }
594 return 0;
595}
596
856f0544
SR
597int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
598{
599 char *boot_device = NULL;
600 int idx;
601 ulong addr, offset = 0;
0c8a8491 602#if defined(CONFIG_CMD_MTDPARTS)
856f0544
SR
603 struct mtd_device *dev;
604 struct part_info *part;
605 u8 pnum;
606
607 if (argc >= 2) {
608 char *p = (argc == 2) ? argv[1] : argv[2];
609 if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
610 (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
611 if (dev->id->type != MTD_DEV_TYPE_NAND) {
612 puts("Not a NAND device\n");
613 return 1;
614 }
615 if (argc > 3)
616 goto usage;
617 if (argc == 3)
10e03893 618 addr = simple_strtoul(argv[1], NULL, 16);
856f0544 619 else
6d0f6bcf 620 addr = CONFIG_SYS_LOAD_ADDR;
856f0544 621 return nand_load_image(cmdtp, &nand_info[dev->id->num],
4b070809 622 part->offset, addr, argv[0]);
856f0544
SR
623 }
624 }
625#endif
626
fad63407 627 show_boot_progress(52);
856f0544
SR
628 switch (argc) {
629 case 1:
6d0f6bcf 630 addr = CONFIG_SYS_LOAD_ADDR;
856f0544
SR
631 boot_device = getenv("bootdevice");
632 break;
633 case 2:
634 addr = simple_strtoul(argv[1], NULL, 16);
635 boot_device = getenv("bootdevice");
636 break;
637 case 3:
638 addr = simple_strtoul(argv[1], NULL, 16);
639 boot_device = argv[2];
640 break;
641 case 4:
642 addr = simple_strtoul(argv[1], NULL, 16);
643 boot_device = argv[2];
644 offset = simple_strtoul(argv[3], NULL, 16);
645 break;
646 default:
0c8a8491 647#if defined(CONFIG_CMD_MTDPARTS)
856f0544
SR
648usage:
649#endif
62c3ae7c 650 cmd_usage(cmdtp);
fad63407 651 show_boot_progress(-53);
856f0544
SR
652 return 1;
653 }
654
fad63407 655 show_boot_progress(53);
856f0544
SR
656 if (!boot_device) {
657 puts("\n** No boot device **\n");
fad63407 658 show_boot_progress(-54);
856f0544
SR
659 return 1;
660 }
fad63407 661 show_boot_progress(54);
addb2e16 662
856f0544
SR
663 idx = simple_strtoul(boot_device, NULL, 16);
664
6d0f6bcf 665 if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) {
856f0544 666 printf("\n** Device %d not available\n", idx);
fad63407 667 show_boot_progress(-55);
856f0544
SR
668 return 1;
669 }
fad63407 670 show_boot_progress(55);
856f0544
SR
671
672 return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
673}
674
675U_BOOT_CMD(nboot, 4, 1, do_nandboot,
2fb2604d 676 "boot from NAND device",
a89c33db
WD
677 "[partition] | [[[loadAddr] dev] offset]"
678);
c76fe474 679#endif
addb2e16 680
cc4a0cee 681#else /* CONFIG_NAND_LEGACY */
addb2e16
BS
682/*
683 *
684 * Legacy NAND support - to be phased out
685 *
686 */
dc7c9a1a
WD
687#include <command.h>
688#include <malloc.h>
689#include <asm/io.h>
a3d991bd 690#include <watchdog.h>
dc7c9a1a 691
fad63407 692#ifdef CONFIG_show_boot_progress
dc7c9a1a 693# include <status_led.h>
fad63407 694# define show_boot_progress(arg) show_boot_progress(arg)
dc7c9a1a 695#else
fad63407 696# define show_boot_progress(arg)
dc7c9a1a
WD
697#endif
698
c76fe474 699#if defined(CONFIG_CMD_NAND)
addb2e16
BS
700#include <linux/mtd/nand_legacy.h>
701#if 0
dc7c9a1a 702#include <linux/mtd/nand_ids.h>
7a8e9bed 703#include <jffs2/jffs2.h>
addb2e16 704#endif
dc7c9a1a 705
1f4bb37d
WD
706#ifdef CONFIG_OMAP1510
707void archflashwp(void *archdata, int wp);
708#endif
709
3043c045 710#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
1f4bb37d 711
3043c045
WJ
712#undef NAND_DEBUG
713#undef PSYCHO_DEBUG
7a8e9bed
WD
714
715/* ****************** WARNING *********************
716 * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will
717 * erase (or at least attempt to erase) blocks that are marked
718 * bad. This can be very handy if you are _sure_ that the block
719 * is OK, say because you marked a good block bad to test bad
720 * block handling and you are done testing, or if you have
721 * accidentally marked blocks bad.
722 *
723 * Erasing factory marked bad blocks is a _bad_ idea. If the
724 * erase succeeds there is no reliable way to find them again,
725 * and attempting to program or erase bad blocks can affect
726 * the data in _other_ (good) blocks.
727 */
3043c045 728#define ALLOW_ERASE_BAD_DEBUG 0
dc7c9a1a
WD
729
730#define CONFIG_MTD_NAND_ECC /* enable ECC */
1f4bb37d 731#define CONFIG_MTD_NAND_ECC_JFFS2
dc7c9a1a 732
addb2e16 733/* bits for nand_legacy_rw() `cmd'; or together as needed */
5e1dae5c
WJ
734#define NANDRW_READ 0x01
735#define NANDRW_WRITE 0x00
736#define NANDRW_JFFS2 0x02
cfa460ad 737#define NANDRW_JFFS2_SKIP 0x04
7a8e9bed 738
addb2e16
BS
739/*
740 * Imports from nand_legacy.c
741 */
6d0f6bcf 742extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
addb2e16
BS
743extern int curr_device;
744extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs,
3043c045 745 size_t len, int clean);
addb2e16 746extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start,
5e1dae5c 747 size_t len, size_t *retlen, u_char *buf);
addb2e16
BS
748extern void nand_print(struct nand_chip *nand);
749extern void nand_print_bad(struct nand_chip *nand);
750extern int nand_read_oob(struct nand_chip *nand, size_t ofs,
3043c045 751 size_t len, size_t *retlen, u_char *buf);
addb2e16 752extern int nand_write_oob(struct nand_chip *nand, size_t ofs,
5e1dae5c 753 size_t len, size_t *retlen, const u_char *buf);
dc7c9a1a 754
dc7c9a1a 755
dd520bf3 756int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
dc7c9a1a 757{
dd520bf3 758 int rcode = 0;
dc7c9a1a 759
dd520bf3
WD
760 switch (argc) {
761 case 0:
762 case 1:
62c3ae7c 763 cmd_usage(cmdtp);
dd520bf3
WD
764 return 1;
765 case 2:
766 if (strcmp (argv[1], "info") == 0) {
767 int i;
dc7c9a1a 768
dd520bf3 769 putc ('\n');
dc7c9a1a 770
6d0f6bcf 771 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; ++i) {
dd520bf3
WD
772 if (nand_dev_desc[i].ChipID ==
773 NAND_ChipID_UNKNOWN)
774 continue; /* list only known devices */
775 printf ("Device %d: ", i);
776 nand_print (&nand_dev_desc[i]);
777 }
778 return 0;
7a8e9bed 779
dd520bf3
WD
780 } else if (strcmp (argv[1], "device") == 0) {
781 if ((curr_device < 0)
6d0f6bcf 782 || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) {
dd520bf3
WD
783 puts ("\nno devices available\n");
784 return 1;
785 }
786 printf ("\nDevice %d: ", curr_device);
787 nand_print (&nand_dev_desc[curr_device]);
788 return 0;
7a8e9bed 789
dd520bf3
WD
790 } else if (strcmp (argv[1], "bad") == 0) {
791 if ((curr_device < 0)
6d0f6bcf 792 || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) {
dd520bf3
WD
793 puts ("\nno devices available\n");
794 return 1;
795 }
796 printf ("\nDevice %d bad blocks:\n", curr_device);
797 nand_print_bad (&nand_dev_desc[curr_device]);
798 return 0;
dc7c9a1a 799
dc7c9a1a 800 }
62c3ae7c 801 cmd_usage(cmdtp);
dd520bf3
WD
802 return 1;
803 case 3:
804 if (strcmp (argv[1], "device") == 0) {
805 int dev = (int) simple_strtoul (argv[2], NULL, 10);
dc7c9a1a 806
dd520bf3 807 printf ("\nDevice %d: ", dev);
6d0f6bcf 808 if (dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
dd520bf3
WD
809 puts ("unknown device\n");
810 return 1;
811 }
812 nand_print (&nand_dev_desc[dev]);
813 /*nand_print (dev); */
dc7c9a1a 814
dd520bf3
WD
815 if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) {
816 return 1;
817 }
dc7c9a1a 818
dd520bf3 819 curr_device = dev;
dc7c9a1a 820
dd520bf3 821 puts ("... is now current device\n");
7a8e9bed 822
dd520bf3
WD
823 return 0;
824 } else if (strcmp (argv[1], "erase") == 0
825 && strcmp (argv[2], "clean") == 0) {
826 struct nand_chip *nand = &nand_dev_desc[curr_device];
827 ulong off = 0;
828 ulong size = nand->totlen;
829 int ret;
7a8e9bed 830
dd520bf3 831 printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size);
7a8e9bed 832
dd520bf3 833 ret = nand_legacy_erase (nand, off, size, 1);
7a8e9bed 834
dd520bf3 835 printf ("%s\n", ret ? "ERROR" : "OK");
dc7c9a1a 836
7a8e9bed
WD
837 return ret;
838 }
dd520bf3 839
62c3ae7c 840 cmd_usage(cmdtp);
dd520bf3
WD
841 return 1;
842 default:
843 /* at least 4 args */
844
845 if (strncmp (argv[1], "read", 4) == 0 ||
846 strncmp (argv[1], "write", 5) == 0) {
5e1dae5c
WJ
847 ulong addr = simple_strtoul (argv[2], NULL, 16);
848 off_t off = simple_strtoul (argv[3], NULL, 16);
849 size_t size = simple_strtoul (argv[4], NULL, 16);
850 int cmd = (strncmp (argv[1], "read", 4) == 0) ?
4b070809 851 NANDRW_READ : NANDRW_WRITE;
c71abba3
WD
852 size_t total;
853 int ret;
dd520bf3
WD
854 char *cmdtail = strchr (argv[1], '.');
855
856 if (cmdtail && !strncmp (cmdtail, ".oob", 2)) {
857 /* read out-of-band data */
858 if (cmd & NANDRW_READ) {
859 ret = nand_read_oob (nand_dev_desc + curr_device,
4ca79f47 860 off, size, &total,
dd520bf3
WD
861 (u_char *) addr);
862 } else {
863 ret = nand_write_oob (nand_dev_desc + curr_device,
4ca79f47 864 off, size, &total,
dd520bf3
WD
865 (u_char *) addr);
866 }
867 return ret;
389e6620 868 } else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 7)) {
dd520bf3
WD
869 cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */
870 if (cmd & NANDRW_READ)
871 cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
389e6620
SM
872 } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2))
873 cmd |= NANDRW_JFFS2; /* skip bad blocks */
7a8e9bed 874#ifdef SXNI855T
dd520bf3
WD
875 /* need ".e" same as ".j" for compatibility with older units */
876 else if (cmdtail && !strcmp (cmdtail, ".e"))
877 cmd |= NANDRW_JFFS2; /* skip bad blocks */
7a8e9bed 878#endif
6d0f6bcf 879#ifdef CONFIG_SYS_NAND_SKIP_BAD_DOT_I
dd520bf3
WD
880 /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */
881 /* ".i" for image -> read skips bad block (no 0xff) */
882 else if (cmdtail && !strcmp (cmdtail, ".i")) {
883 cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */
884 if (cmd & NANDRW_READ)
3043c045 885 cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
dd520bf3 886 }
6d0f6bcf 887#endif /* CONFIG_SYS_NAND_SKIP_BAD_DOT_I */
dd520bf3 888 else if (cmdtail) {
62c3ae7c 889 cmd_usage(cmdtp);
dd520bf3
WD
890 return 1;
891 }
dc7c9a1a 892
9b55a253 893 printf ("\nNAND %s: device %d offset %ld, size %lu ...\n",
dd520bf3 894 (cmd & NANDRW_READ) ? "read" : "write",
9b55a253 895 curr_device, off, (ulong)size);
dc7c9a1a 896
dd520bf3
WD
897 ret = nand_legacy_rw (nand_dev_desc + curr_device,
898 cmd, off, size,
3043c045 899 &total, (u_char *) addr);
dc7c9a1a 900
dd520bf3
WD
901 printf (" %d bytes %s: %s\n", total,
902 (cmd & NANDRW_READ) ? "read" : "written",
903 ret ? "ERROR" : "OK");
dc7c9a1a 904
dd520bf3
WD
905 return ret;
906 } else if (strcmp (argv[1], "erase") == 0 &&
907 (argc == 4 || strcmp ("clean", argv[2]) == 0)) {
908 int clean = argc == 5;
909 ulong off =
910 simple_strtoul (argv[2 + clean], NULL, 16);
911 ulong size =
912 simple_strtoul (argv[3 + clean], NULL, 16);
913 int ret;
dc7c9a1a 914
dd520bf3
WD
915 printf ("\nNAND erase: device %d offset %ld, size %ld ...\n",
916 curr_device, off, size);
dc7c9a1a 917
dd520bf3
WD
918 ret = nand_legacy_erase (nand_dev_desc + curr_device,
919 off, size, clean);
dc7c9a1a 920
dd520bf3 921 printf ("%s\n", ret ? "ERROR" : "OK");
dc7c9a1a 922
dd520bf3
WD
923 return ret;
924 } else {
62c3ae7c 925 cmd_usage(cmdtp);
dd520bf3
WD
926 rcode = 1;
927 }
dc7c9a1a 928
dd520bf3
WD
929 return rcode;
930 }
dc7c9a1a
WD
931}
932
0d498393 933U_BOOT_CMD(
3043c045 934 nand, 5, 1, do_nand,
2fb2604d 935 "legacy NAND sub-system",
b0fce99b
WD
936 "info - show available NAND devices\n"
937 "nand device [dev] - show or set current device\n"
a3d991bd 938 "nand read[.jffs2[s]] addr off size\n"
b0fce99b 939 "nand write[.jffs2] addr off size - read/write `size' bytes starting\n"
3043c045 940 " at offset `off' to/from memory address `addr'\n"
b0fce99b 941 "nand erase [clean] [off size] - erase `size' bytes from\n"
3043c045 942 " offset `off' (entire device if not specified)\n"
b0fce99b
WD
943 "nand bad - show bad blocks\n"
944 "nand read.oob addr off size - read out-of-band data\n"
a89c33db 945 "nand write.oob addr off size - read out-of-band data"
b0fce99b
WD
946);
947
dc7c9a1a
WD
948int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
949{
950 char *boot_device = NULL;
951 char *ep;
952 int dev;
953 ulong cnt;
954 ulong addr;
955 ulong offset = 0;
956 image_header_t *hdr;
957 int rcode = 0;
09475f75 958#if defined(CONFIG_FIT)
3bab76a2 959 const void *fit_hdr = NULL;
09475f75
MB
960#endif
961
fad63407 962 show_boot_progress (52);
dc7c9a1a
WD
963 switch (argc) {
964 case 1:
6d0f6bcf 965 addr = CONFIG_SYS_LOAD_ADDR;
dc7c9a1a
WD
966 boot_device = getenv ("bootdevice");
967 break;
968 case 2:
969 addr = simple_strtoul(argv[1], NULL, 16);
970 boot_device = getenv ("bootdevice");
971 break;
972 case 3:
973 addr = simple_strtoul(argv[1], NULL, 16);
974 boot_device = argv[2];
975 break;
976 case 4:
977 addr = simple_strtoul(argv[1], NULL, 16);
978 boot_device = argv[2];
979 offset = simple_strtoul(argv[3], NULL, 16);
980 break;
981 default:
62c3ae7c 982 cmd_usage(cmdtp);
fad63407 983 show_boot_progress (-53);
dc7c9a1a
WD
984 return 1;
985 }
986
fad63407 987 show_boot_progress (53);
dc7c9a1a
WD
988 if (!boot_device) {
989 puts ("\n** No boot device **\n");
fad63407 990 show_boot_progress (-54);
dc7c9a1a
WD
991 return 1;
992 }
fad63407 993 show_boot_progress (54);
dc7c9a1a
WD
994
995 dev = simple_strtoul(boot_device, &ep, 16);
996
6d0f6bcf 997 if ((dev >= CONFIG_SYS_MAX_NAND_DEVICE) ||
3043c045 998 (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) {
dc7c9a1a 999 printf ("\n** Device %d not available\n", dev);
fad63407 1000 show_boot_progress (-55);
dc7c9a1a
WD
1001 return 1;
1002 }
fad63407 1003 show_boot_progress (55);
dc7c9a1a 1004
7a8e9bed 1005 printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n",
cfa460ad
WJ
1006 dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR,
1007 offset);
dc7c9a1a 1008
addb2e16 1009 if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset,
4b070809 1010 SECTORSIZE, NULL, (u_char *)addr)) {
dc7c9a1a 1011 printf ("** Read error on %d\n", dev);
fad63407 1012 show_boot_progress (-56);
dc7c9a1a
WD
1013 return 1;
1014 }
fad63407 1015 show_boot_progress (56);
dc7c9a1a 1016
9a4daad0 1017 switch (genimg_get_format ((void *)addr)) {
d5934ad7
MB
1018 case IMAGE_FORMAT_LEGACY:
1019 hdr = (image_header_t *)addr;
09475f75 1020 image_print_contents (hdr);
dc7c9a1a 1021
09475f75
MB
1022 cnt = image_get_image_size (hdr);
1023 cnt -= SECTORSIZE;
d5934ad7
MB
1024 break;
1025#if defined(CONFIG_FIT)
1026 case IMAGE_FORMAT_FIT:
09475f75 1027 fit_hdr = (const void *)addr;
09475f75
MB
1028 puts ("Fit image detected...\n");
1029
1030 cnt = fit_get_size (fit_hdr);
1031 break;
d5934ad7
MB
1032#endif
1033 default:
09475f75 1034 show_boot_progress (-57);
d5934ad7 1035 puts ("** Unknown image type\n");
dc7c9a1a
WD
1036 return 1;
1037 }
fad63407 1038 show_boot_progress (57);
dc7c9a1a 1039
addb2e16 1040 if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ,
4b070809
WD
1041 offset + SECTORSIZE, cnt, NULL,
1042 (u_char *)(addr+SECTORSIZE))) {
dc7c9a1a 1043 printf ("** Read error on %d\n", dev);
fad63407 1044 show_boot_progress (-58);
dc7c9a1a
WD
1045 return 1;
1046 }
fad63407 1047 show_boot_progress (58);
dc7c9a1a 1048
09475f75
MB
1049#if defined(CONFIG_FIT)
1050 /* This cannot be done earlier, we need complete FIT image in RAM first */
3bab76a2
MB
1051 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
1052 if (!fit_check_format (fit_hdr)) {
1053 show_boot_progress (-150);
1054 puts ("** Bad FIT image format\n");
1055 return 1;
1056 }
1057 show_boot_progress (151);
1058 fit_print_contents (fit_hdr);
1059 }
09475f75
MB
1060#endif
1061
dc7c9a1a
WD
1062 /* Loading ok, update default load address */
1063
1064 load_addr = addr;
1065
1066 /* Check if we should attempt an auto-start */
1067 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
1068 char *local_args[2];
1069 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
1070
1071 local_args[0] = argv[0];
1072 local_args[1] = NULL;
1073
7a8e9bed 1074 printf ("Automatic boot of image at addr 0x%08lx ...\n", addr);
dc7c9a1a
WD
1075
1076 do_bootm (cmdtp, 0, 1, local_args);
1077 rcode = 1;
1078 }
1079 return rcode;
1080}
1081
0d498393 1082U_BOOT_CMD(
3043c045 1083 nboot, 4, 1, do_nandboot,
2fb2604d 1084 "boot from NAND device",
a89c33db 1085 "loadAddr dev"
b0fce99b
WD
1086);
1087
c76fe474 1088#endif
dc7c9a1a 1089
cc4a0cee 1090#endif /* CONFIG_NAND_LEGACY */