blob: 8d6c959584f64de348c3fc0d5276f186c7c08ebc [file] [log] [blame]
wdenkdc7c9a12003-03-26 06:55:25 +00001/*
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>
wdenk384cc682005-04-03 22:35:21 +00006 *
7 * Added 16-bit nand support
8 * (C) 2004 Texas Instruments
wdenkdc7c9a12003-03-26 06:55:25 +00009 */
10
11#include <common.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010012
13
14#ifndef CFG_NAND_LEGACY
15/*
16 *
17 * New NAND support
18 *
19 */
20#include <common.h>
21
Jon Loeligerc76fe472007-07-08 18:02:23 -050022#if defined(CONFIG_CMD_NAND)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010023
24#include <command.h>
25#include <watchdog.h>
26#include <malloc.h>
27#include <asm/byteorder.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010028#include <jffs2/jffs2.h>
29#include <nand.h>
30
Jon Loeligerc76fe472007-07-08 18:02:23 -050031#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Stefan Roese856f0542006-10-28 15:55:52 +020032
33/* parition handling routines */
34int mtdparts_init(void);
35int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
36int find_dev_and_part(const char *id, struct mtd_device **dev,
37 u8 *part_num, struct part_info **part);
38#endif
39
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010040extern nand_info_t nand_info[]; /* info for NAND chips */
41
42static int nand_dump_oob(nand_info_t *nand, ulong off)
43{
44 return 0;
45}
46
47static int nand_dump(nand_info_t *nand, ulong off)
48{
49 int i;
50 u_char *buf, *p;
51
52 buf = malloc(nand->oobblock + nand->oobsize);
53 if (!buf) {
54 puts("No memory for page buffer\n");
55 return 1;
56 }
57 off &= ~(nand->oobblock - 1);
58 i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize);
59 if (i < 0) {
60 printf("Error (%d) reading page %08x\n", i, off);
61 free(buf);
62 return 1;
63 }
64 printf("Page %08x dump:\n", off);
65 i = nand->oobblock >> 4; p = buf;
66 while (i--) {
67 printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x"
68 " %02x %02x %02x %02x %02x %02x %02x %02x\n",
69 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
70 p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
71 p += 16;
72 }
73 puts("OOB:\n");
74 i = nand->oobsize >> 3;
75 while (i--) {
76 printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
77 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
78 p += 8;
79 }
80 free(buf);
81
82 return 0;
83}
84
85/* ------------------------------------------------------------------------- */
86
Stefan Roese856f0542006-10-28 15:55:52 +020087static inline int str2long(char *p, ulong *num)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010088{
Stefan Roese856f0542006-10-28 15:55:52 +020089 char *endptr;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010090
Stefan Roese856f0542006-10-28 15:55:52 +020091 *num = simple_strtoul(p, &endptr, 16);
92 return (*p != '\0' && *endptr == '\0') ? 1 : 0;
93}
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010094
Stefan Roese856f0542006-10-28 15:55:52 +020095static int
96arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, ulong *size)
97{
98 int idx = nand_curr_device;
Jon Loeligerc76fe472007-07-08 18:02:23 -050099#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Stefan Roese856f0542006-10-28 15:55:52 +0200100 struct mtd_device *dev;
101 struct part_info *part;
102 u8 pnum;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100103
Stefan Roese856f0542006-10-28 15:55:52 +0200104 if (argc >= 1 && !(str2long(argv[0], off))) {
105 if ((mtdparts_init() == 0) &&
106 (find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) {
107 if (dev->id->type != MTD_DEV_TYPE_NAND) {
108 puts("not a NAND device\n");
109 return -1;
110 }
111 *off = part->offset;
112 if (argc >= 2) {
113 if (!(str2long(argv[1], size))) {
114 printf("'%s' is not a number\n", argv[1]);
115 return -1;
116 }
117 if (*size > part->size)
118 *size = part->size;
119 } else {
120 *size = part->size;
121 }
122 idx = dev->id->num;
123 *nand = nand_info[idx];
124 goto out;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100125 }
Stefan Roese856f0542006-10-28 15:55:52 +0200126 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100127#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100128
Stefan Roese856f0542006-10-28 15:55:52 +0200129 if (argc >= 1) {
130 if (!(str2long(argv[0], off))) {
131 printf("'%s' is not a number\n", argv[0]);
132 return -1;
133 }
134 } else {
135 *off = 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100136 }
137
Stefan Roese856f0542006-10-28 15:55:52 +0200138 if (argc >= 2) {
139 if (!(str2long(argv[1], size))) {
140 printf("'%s' is not a number\n", argv[1]);
141 return -1;
142 }
143 } else {
144 *size = nand->size - *off;
145 }
146
Jon Loeligerc76fe472007-07-08 18:02:23 -0500147#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Stefan Roese856f0542006-10-28 15:55:52 +0200148out:
149#endif
150 printf("device %d ", idx);
151 if (*size == nand->size)
152 puts("whole chip\n");
153 else
154 printf("offset 0x%x, size 0x%x\n", *off, *size);
155 return 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100156}
157
158int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
159{
160 int i, dev, ret;
161 ulong addr, off, size;
162 char *cmd, *s;
163 nand_info_t *nand;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200164#ifdef CFG_NAND_QUIET
165 int quiet = CFG_NAND_QUIET;
166#else
Stefan Roese2255b2d2006-10-10 12:36:02 +0200167 int quiet = 0;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200168#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200169 const char *quiet_str = getenv("quiet");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100170
171 /* at least two arguments please */
172 if (argc < 2)
173 goto usage;
174
Stefan Roese2255b2d2006-10-10 12:36:02 +0200175 if (quiet_str)
176 quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
177
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100178 cmd = argv[1];
179
180 if (strcmp(cmd, "info") == 0) {
181
182 putc('\n');
183 for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) {
184 if (nand_info[i].name)
185 printf("Device %d: %s, sector size %lu KiB\n",
186 i, nand_info[i].name,
187 nand_info[i].erasesize >> 10);
188 }
189 return 0;
190 }
191
192 if (strcmp(cmd, "device") == 0) {
193
194 if (argc < 3) {
195 if ((nand_curr_device < 0) ||
196 (nand_curr_device >= CFG_MAX_NAND_DEVICE))
197 puts("\nno devices available\n");
198 else
199 printf("\nDevice %d: %s\n", nand_curr_device,
200 nand_info[nand_curr_device].name);
201 return 0;
202 }
203 dev = (int)simple_strtoul(argv[2], NULL, 10);
204 if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) {
205 puts("No such device\n");
206 return 1;
207 }
208 printf("Device %d: %s", dev, nand_info[dev].name);
209 puts("... is now current device\n");
210 nand_curr_device = dev;
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200211
212#ifdef CFG_NAND_SELECT_DEVICE
213 /*
214 * Select the chip in the board/cpu specific driver
215 */
216 board_nand_select_device(nand_info[dev].priv, dev);
217#endif
218
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100219 return 0;
220 }
221
222 if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
223 strncmp(cmd, "dump", 4) != 0 &&
Stefan Roese2255b2d2006-10-10 12:36:02 +0200224 strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
225 strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
226 strcmp(cmd, "biterr") != 0 &&
227 strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100228 goto usage;
229
230 /* the following commands operate on the current device */
231 if (nand_curr_device < 0 || nand_curr_device >= CFG_MAX_NAND_DEVICE ||
232 !nand_info[nand_curr_device].name) {
233 puts("\nno devices available\n");
234 return 1;
235 }
236 nand = &nand_info[nand_curr_device];
237
238 if (strcmp(cmd, "bad") == 0) {
239 printf("\nDevice %d bad blocks:\n", nand_curr_device);
240 for (off = 0; off < nand->size; off += nand->erasesize)
241 if (nand_block_isbad(nand, off))
242 printf(" %08x\n", off);
243 return 0;
244 }
245
Stefan Roese856f0542006-10-28 15:55:52 +0200246 /*
247 * Syntax is:
248 * 0 1 2 3 4
249 * nand erase [clean] [off size]
250 */
Stefan Roese2255b2d2006-10-10 12:36:02 +0200251 if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
252 nand_erase_options_t opts;
Stefan Roese856f0542006-10-28 15:55:52 +0200253 /* "clean" at index 2 means request to write cleanmarker */
254 int clean = argc > 2 && !strcmp("clean", argv[2]);
255 int o = clean ? 3 : 2;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200256 int scrub = !strcmp(cmd, "scrub");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100257
Stefan Roese856f0542006-10-28 15:55:52 +0200258 printf("\nNAND %s: ", scrub ? "scrub" : "erase");
259 /* skip first two or three arguments, look for offset and size */
260 if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
261 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200262
263 memset(&opts, 0, sizeof(opts));
264 opts.offset = off;
265 opts.length = size;
266 opts.jffs2 = clean;
267 opts.quiet = quiet;
268
269 if (scrub) {
Stefan Roese856f0542006-10-28 15:55:52 +0200270 puts("Warning: "
271 "scrub option will erase all factory set "
272 "bad blocks!\n"
273 " "
274 "There is no reliable way to recover them.\n"
275 " "
276 "Use this command only for testing purposes "
277 "if you\n"
278 " "
279 "are sure of what you are doing!\n"
280 "\nReally scrub this NAND flash? <y/N>\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200281
282 if (getc() == 'y' && getc() == '\r') {
283 opts.scrub = 1;
284 } else {
Stefan Roese856f0542006-10-28 15:55:52 +0200285 puts("scrub aborted\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200286 return -1;
287 }
288 }
289 ret = nand_erase_opts(nand, &opts);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100290 printf("%s\n", ret ? "ERROR" : "OK");
291
292 return ret == 0 ? 0 : 1;
293 }
294
295 if (strncmp(cmd, "dump", 4) == 0) {
296 if (argc < 3)
297 goto usage;
298
299 s = strchr(cmd, '.');
300 off = (int)simple_strtoul(argv[2], NULL, 16);
301
302 if (s != NULL && strcmp(s, ".oob") == 0)
303 ret = nand_dump_oob(nand, off);
304 else
305 ret = nand_dump(nand, off);
306
307 return ret == 0 ? 1 : 0;
308
309 }
310
311 /* read write */
312 if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
Stefan Roese2255b2d2006-10-10 12:36:02 +0200313 int read;
314
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100315 if (argc < 4)
316 goto usage;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200317
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100318 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
319
Stefan Roese2255b2d2006-10-10 12:36:02 +0200320 read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
Stefan Roese856f0542006-10-28 15:55:52 +0200321 printf("\nNAND %s: ", read ? "read" : "write");
322 if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
323 return 1;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100324
Stefan Roese2255b2d2006-10-10 12:36:02 +0200325 s = strchr(cmd, '.');
326 if (s != NULL &&
327 (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) {
328 if (read) {
329 /* read */
330 nand_read_options_t opts;
331 memset(&opts, 0, sizeof(opts));
332 opts.buffer = (u_char*) addr;
333 opts.length = size;
334 opts.offset = off;
335 opts.quiet = quiet;
336 ret = nand_read_opts(nand, &opts);
337 } else {
338 /* write */
339 nand_write_options_t opts;
340 memset(&opts, 0, sizeof(opts));
341 opts.buffer = (u_char*) addr;
342 opts.length = size;
343 opts.offset = off;
344 /* opts.forcejffs2 = 1; */
345 opts.pad = 1;
346 opts.blockalign = 1;
347 opts.quiet = quiet;
348 ret = nand_write_opts(nand, &opts);
349 }
Harald Welte62d4f432007-12-19 14:12:53 +0100350 } else if (s != NULL && !strcmp(s, ".oob")) {
351 /* read out-of-band data */
352 if (read)
Jean-Christophe PLAGNIOL-VILLARD0a1e03b2008-01-13 12:36:12 +0100353 ret = nand->read_oob(nand, off, size, (size_t *) &size,
Harald Welte62d4f432007-12-19 14:12:53 +0100354 (u_char *) addr);
355 else
Jean-Christophe PLAGNIOL-VILLARD0a1e03b2008-01-13 12:36:12 +0100356 ret = nand->write_oob(nand, off, size, (size_t *) &size,
Harald Welte62d4f432007-12-19 14:12:53 +0100357 (u_char *) addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200358 } else {
359 if (read)
360 ret = nand_read(nand, off, &size, (u_char *)addr);
361 else
362 ret = nand_write(nand, off, &size, (u_char *)addr);
Stefan Roese2255b2d2006-10-10 12:36:02 +0200363 }
364
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100365 printf(" %d bytes %s: %s\n", size,
Stefan Roese2255b2d2006-10-10 12:36:02 +0200366 read ? "read" : "written", ret ? "ERROR" : "OK");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100367
368 return ret == 0 ? 0 : 1;
369 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200370
Stefan Roese2255b2d2006-10-10 12:36:02 +0200371 if (strcmp(cmd, "markbad") == 0) {
372 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
373
374 int ret = nand->block_markbad(nand, addr);
375 if (ret == 0) {
376 printf("block 0x%08lx successfully marked as bad\n",
377 (ulong) addr);
378 return 0;
379 } else {
380 printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
381 (ulong) addr, ret);
382 }
383 return 1;
384 }
385 if (strcmp(cmd, "biterr") == 0) {
386 /* todo */
387 return 1;
388 }
389
390 if (strcmp(cmd, "lock") == 0) {
391 int tight = 0;
392 int status = 0;
393 if (argc == 3) {
394 if (!strcmp("tight", argv[2]))
395 tight = 1;
396 if (!strcmp("status", argv[2]))
397 status = 1;
398 }
399
400 if (status) {
401 ulong block_start = 0;
402 ulong off;
403 int last_status = -1;
404
405 struct nand_chip *nand_chip = nand->priv;
406 /* check the WP bit */
407 nand_chip->cmdfunc (nand, NAND_CMD_STATUS, -1, -1);
408 printf("device is %swrite protected\n",
409 (nand_chip->read_byte(nand) & 0x80 ?
410 "NOT " : "" ) );
411
412 for (off = 0; off < nand->size; off += nand->oobblock) {
413 int s = nand_get_lock_status(nand, off);
414
415 /* print message only if status has changed
416 * or at end of chip
417 */
418 if (off == nand->size - nand->oobblock
419 || (s != last_status && off != 0)) {
420
421 printf("%08x - %08x: %8d pages %s%s%s\n",
422 block_start,
423 off-1,
424 (off-block_start)/nand->oobblock,
425 ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
426 ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
427 ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
428 }
429
430 last_status = s;
431 }
432 } else {
433 if (!nand_lock(nand, tight)) {
Stefan Roese856f0542006-10-28 15:55:52 +0200434 puts("NAND flash successfully locked\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200435 } else {
Stefan Roese856f0542006-10-28 15:55:52 +0200436 puts("Error locking NAND flash\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200437 return 1;
438 }
439 }
440 return 0;
441 }
442
443 if (strcmp(cmd, "unlock") == 0) {
Stefan Roese856f0542006-10-28 15:55:52 +0200444 if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
445 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200446
447 if (!nand_unlock(nand, off, size)) {
Stefan Roese856f0542006-10-28 15:55:52 +0200448 puts("NAND flash successfully unlocked\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200449 } else {
Stefan Roese856f0542006-10-28 15:55:52 +0200450 puts("Error unlocking NAND flash, "
451 "write and erase will probably fail\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200452 return 1;
453 }
454 return 0;
455 }
456
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100457usage:
458 printf("Usage:\n%s\n", cmdtp->usage);
459 return 1;
460}
461
462U_BOOT_CMD(nand, 5, 1, do_nand,
463 "nand - NAND sub-system\n",
464 "info - show available NAND devices\n"
465 "nand device [dev] - show or set current device\n"
Stefan Roese856f0542006-10-28 15:55:52 +0200466 "nand read[.jffs2] - addr off|partition size\n"
Matthias Fuchs5bd7fe92007-09-11 17:04:00 +0200467 "nand write[.jffs2] - addr off|partition size - read/write `size' bytes starting\n"
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100468 " at offset `off' to/from memory address `addr'\n"
469 "nand erase [clean] [off size] - erase `size' bytes from\n"
470 " offset `off' (entire device if not specified)\n"
471 "nand bad - show bad blocks\n"
472 "nand dump[.oob] off - dump page\n"
473 "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
474 "nand markbad off - mark bad block at offset (UNSAFE)\n"
Stefan Roese2255b2d2006-10-10 12:36:02 +0200475 "nand biterr off - make a bit error at offset (UNSAFE)\n"
476 "nand lock [tight] [status] - bring nand to lock state or display locked pages\n"
477 "nand unlock [offset] [size] - unlock section\n");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100478
Stefan Roese856f0542006-10-28 15:55:52 +0200479static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
480 ulong offset, ulong addr, char *cmd)
481{
482 int r;
Thomas Knobloch10e03892007-07-06 14:58:39 +0200483 char *ep, *s;
Stefan Roese856f0542006-10-28 15:55:52 +0200484 ulong cnt;
485 image_header_t *hdr;
Thomas Knobloch10e03892007-07-06 14:58:39 +0200486 int jffs2 = 0;
487
488 s = strchr(cmd, '.');
489 if (s != NULL &&
490 (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i")))
491 jffs2 = 1;
Stefan Roese856f0542006-10-28 15:55:52 +0200492
493 printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
494
495 cnt = nand->oobblock;
Thomas Knobloch10e03892007-07-06 14:58:39 +0200496 if (jffs2) {
497 nand_read_options_t opts;
498 memset(&opts, 0, sizeof(opts));
499 opts.buffer = (u_char*) addr;
500 opts.length = cnt;
501 opts.offset = offset;
502 opts.quiet = 1;
503 r = nand_read_opts(nand, &opts);
504 } else {
505 r = nand_read(nand, offset, &cnt, (u_char *) addr);
506 }
507
Stefan Roese856f0542006-10-28 15:55:52 +0200508 if (r) {
509 puts("** Read error\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200510 show_boot_progress (-56);
Stefan Roese856f0542006-10-28 15:55:52 +0200511 return 1;
512 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200513 show_boot_progress (56);
Stefan Roese856f0542006-10-28 15:55:52 +0200514
515 hdr = (image_header_t *) addr;
516
517 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
518 printf("\n** Bad Magic Number 0x%x **\n", hdr->ih_magic);
Heiko Schocherfad63402007-07-13 09:54:17 +0200519 show_boot_progress (-57);
Stefan Roese856f0542006-10-28 15:55:52 +0200520 return 1;
521 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200522 show_boot_progress (57);
Stefan Roese856f0542006-10-28 15:55:52 +0200523
524 print_image_hdr(hdr);
525
526 cnt = (ntohl(hdr->ih_size) + sizeof (image_header_t));
Thomas Knobloch10e03892007-07-06 14:58:39 +0200527 if (jffs2) {
528 nand_read_options_t opts;
529 memset(&opts, 0, sizeof(opts));
530 opts.buffer = (u_char*) addr;
531 opts.length = cnt;
532 opts.offset = offset;
533 opts.quiet = 1;
534 r = nand_read_opts(nand, &opts);
535 } else {
536 r = nand_read(nand, offset, &cnt, (u_char *) addr);
537 }
Stefan Roese856f0542006-10-28 15:55:52 +0200538
Stefan Roese856f0542006-10-28 15:55:52 +0200539 if (r) {
540 puts("** Read error\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200541 show_boot_progress (-58);
Stefan Roese856f0542006-10-28 15:55:52 +0200542 return 1;
543 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200544 show_boot_progress (58);
Stefan Roese856f0542006-10-28 15:55:52 +0200545
546 /* Loading ok, update default load address */
547
548 load_addr = addr;
549
550 /* Check if we should attempt an auto-start */
551 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
552 char *local_args[2];
553 extern int do_bootm(cmd_tbl_t *, int, int, char *[]);
554
555 local_args[0] = cmd;
556 local_args[1] = NULL;
557
558 printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
559
560 do_bootm(cmdtp, 0, 1, local_args);
561 return 1;
562 }
563 return 0;
564}
565
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100566int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
567{
568 char *boot_device = NULL;
Stefan Roese856f0542006-10-28 15:55:52 +0200569 int idx;
570 ulong addr, offset = 0;
Jon Loeligerc76fe472007-07-08 18:02:23 -0500571#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Stefan Roese856f0542006-10-28 15:55:52 +0200572 struct mtd_device *dev;
573 struct part_info *part;
574 u8 pnum;
575
576 if (argc >= 2) {
577 char *p = (argc == 2) ? argv[1] : argv[2];
578 if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
579 (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
580 if (dev->id->type != MTD_DEV_TYPE_NAND) {
581 puts("Not a NAND device\n");
582 return 1;
583 }
584 if (argc > 3)
585 goto usage;
586 if (argc == 3)
Thomas Knobloch10e03892007-07-06 14:58:39 +0200587 addr = simple_strtoul(argv[1], NULL, 16);
Stefan Roese856f0542006-10-28 15:55:52 +0200588 else
589 addr = CFG_LOAD_ADDR;
590 return nand_load_image(cmdtp, &nand_info[dev->id->num],
591 part->offset, addr, argv[0]);
592 }
593 }
594#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100595
Heiko Schocherfad63402007-07-13 09:54:17 +0200596 show_boot_progress(52);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100597 switch (argc) {
598 case 1:
599 addr = CFG_LOAD_ADDR;
600 boot_device = getenv("bootdevice");
601 break;
602 case 2:
603 addr = simple_strtoul(argv[1], NULL, 16);
604 boot_device = getenv("bootdevice");
605 break;
606 case 3:
607 addr = simple_strtoul(argv[1], NULL, 16);
608 boot_device = argv[2];
609 break;
610 case 4:
611 addr = simple_strtoul(argv[1], NULL, 16);
612 boot_device = argv[2];
613 offset = simple_strtoul(argv[3], NULL, 16);
614 break;
615 default:
Jon Loeligerc76fe472007-07-08 18:02:23 -0500616#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Stefan Roese856f0542006-10-28 15:55:52 +0200617usage:
618#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100619 printf("Usage:\n%s\n", cmdtp->usage);
Heiko Schocherfad63402007-07-13 09:54:17 +0200620 show_boot_progress(-53);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100621 return 1;
622 }
623
Heiko Schocherfad63402007-07-13 09:54:17 +0200624 show_boot_progress(53);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100625 if (!boot_device) {
626 puts("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200627 show_boot_progress(-54);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100628 return 1;
629 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200630 show_boot_progress(54);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100631
Stefan Roese856f0542006-10-28 15:55:52 +0200632 idx = simple_strtoul(boot_device, NULL, 16);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100633
Stefan Roese856f0542006-10-28 15:55:52 +0200634 if (idx < 0 || idx >= CFG_MAX_NAND_DEVICE || !nand_info[idx].name) {
635 printf("\n** Device %d not available\n", idx);
Heiko Schocherfad63402007-07-13 09:54:17 +0200636 show_boot_progress(-55);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100637 return 1;
638 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200639 show_boot_progress(55);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100640
Stefan Roese856f0542006-10-28 15:55:52 +0200641 return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100642}
643
644U_BOOT_CMD(nboot, 4, 1, do_nandboot,
Stefan Roese856f0542006-10-28 15:55:52 +0200645 "nboot - boot from NAND device\n",
Thomas Knobloch10e03892007-07-06 14:58:39 +0200646 "[.jffs2] [partition] | [[[loadAddr] dev] offset]\n");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100647
Jon Loeligerc76fe472007-07-08 18:02:23 -0500648#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100649
650#else /* CFG_NAND_LEGACY */
651/*
652 *
653 * Legacy NAND support - to be phased out
654 *
655 */
wdenkdc7c9a12003-03-26 06:55:25 +0000656#include <command.h>
657#include <malloc.h>
658#include <asm/io.h>
wdenka3d991b2004-04-15 21:48:45 +0000659#include <watchdog.h>
wdenkdc7c9a12003-03-26 06:55:25 +0000660
Heiko Schocherfad63402007-07-13 09:54:17 +0200661#ifdef CONFIG_show_boot_progress
wdenkdc7c9a12003-03-26 06:55:25 +0000662# include <status_led.h>
Heiko Schocherfad63402007-07-13 09:54:17 +0200663# define show_boot_progress(arg) show_boot_progress(arg)
wdenkdc7c9a12003-03-26 06:55:25 +0000664#else
Heiko Schocherfad63402007-07-13 09:54:17 +0200665# define show_boot_progress(arg)
wdenkdc7c9a12003-03-26 06:55:25 +0000666#endif
667
Jon Loeligerc76fe472007-07-08 18:02:23 -0500668#if defined(CONFIG_CMD_NAND)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100669#include <linux/mtd/nand_legacy.h>
670#if 0
wdenkdc7c9a12003-03-26 06:55:25 +0000671#include <linux/mtd/nand_ids.h>
wdenk7a8e9bed2003-05-31 18:35:21 +0000672#include <jffs2/jffs2.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100673#endif
wdenkdc7c9a12003-03-26 06:55:25 +0000674
wdenk1f4bb372003-07-27 00:21:01 +0000675#ifdef CONFIG_OMAP1510
676void archflashwp(void *archdata, int wp);
677#endif
678
679#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
680
wdenka43278a2003-09-11 19:48:06 +0000681#undef NAND_DEBUG
wdenkdc7c9a12003-03-26 06:55:25 +0000682#undef PSYCHO_DEBUG
wdenk7a8e9bed2003-05-31 18:35:21 +0000683
684/* ****************** WARNING *********************
685 * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will
686 * erase (or at least attempt to erase) blocks that are marked
687 * bad. This can be very handy if you are _sure_ that the block
688 * is OK, say because you marked a good block bad to test bad
689 * block handling and you are done testing, or if you have
690 * accidentally marked blocks bad.
691 *
692 * Erasing factory marked bad blocks is a _bad_ idea. If the
693 * erase succeeds there is no reliable way to find them again,
694 * and attempting to program or erase bad blocks can affect
695 * the data in _other_ (good) blocks.
696 */
697#define ALLOW_ERASE_BAD_DEBUG 0
wdenkdc7c9a12003-03-26 06:55:25 +0000698
699#define CONFIG_MTD_NAND_ECC /* enable ECC */
wdenk1f4bb372003-07-27 00:21:01 +0000700#define CONFIG_MTD_NAND_ECC_JFFS2
wdenkdc7c9a12003-03-26 06:55:25 +0000701
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100702/* bits for nand_legacy_rw() `cmd'; or together as needed */
wdenk7a8e9bed2003-05-31 18:35:21 +0000703#define NANDRW_READ 0x01
704#define NANDRW_WRITE 0x00
705#define NANDRW_JFFS2 0x02
wdenka3d991b2004-04-15 21:48:45 +0000706#define NANDRW_JFFS2_SKIP 0x04
wdenk7a8e9bed2003-05-31 18:35:21 +0000707
wdenkdc7c9a12003-03-26 06:55:25 +0000708/*
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100709 * Imports from nand_legacy.c
wdenkdc7c9a12003-03-26 06:55:25 +0000710 */
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100711extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
712extern int curr_device;
713extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs,
714 size_t len, int clean);
715extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start,
716 size_t len, size_t *retlen, u_char *buf);
717extern void nand_print(struct nand_chip *nand);
718extern void nand_print_bad(struct nand_chip *nand);
719extern int nand_read_oob(struct nand_chip *nand, size_t ofs,
720 size_t len, size_t *retlen, u_char *buf);
721extern int nand_write_oob(struct nand_chip *nand, size_t ofs,
722 size_t len, size_t *retlen, const u_char *buf);
wdenkdc7c9a12003-03-26 06:55:25 +0000723
wdenkdc7c9a12003-03-26 06:55:25 +0000724
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100725int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
wdenkdc7c9a12003-03-26 06:55:25 +0000726{
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100727 int rcode = 0;
wdenkdc7c9a12003-03-26 06:55:25 +0000728
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100729 switch (argc) {
730 case 0:
731 case 1:
732 printf ("Usage:\n%s\n", cmdtp->usage);
733 return 1;
734 case 2:
735 if (strcmp (argv[1], "info") == 0) {
736 int i;
wdenkdc7c9a12003-03-26 06:55:25 +0000737
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100738 putc ('\n');
wdenkdc7c9a12003-03-26 06:55:25 +0000739
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100740 for (i = 0; i < CFG_MAX_NAND_DEVICE; ++i) {
741 if (nand_dev_desc[i].ChipID ==
742 NAND_ChipID_UNKNOWN)
743 continue; /* list only known devices */
744 printf ("Device %d: ", i);
745 nand_print (&nand_dev_desc[i]);
wdenk7a8e9bed2003-05-31 18:35:21 +0000746 }
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100747 return 0;
748
749 } else if (strcmp (argv[1], "device") == 0) {
750 if ((curr_device < 0)
751 || (curr_device >= CFG_MAX_NAND_DEVICE)) {
752 puts ("\nno devices available\n");
753 return 1;
wdenk7a8e9bed2003-05-31 18:35:21 +0000754 }
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100755 printf ("\nDevice %d: ", curr_device);
756 nand_print (&nand_dev_desc[curr_device]);
757 return 0;
758
759 } else if (strcmp (argv[1], "bad") == 0) {
760 if ((curr_device < 0)
761 || (curr_device >= CFG_MAX_NAND_DEVICE)) {
762 puts ("\nno devices available\n");
763 return 1;
764 }
765 printf ("\nDevice %d bad blocks:\n", curr_device);
766 nand_print_bad (&nand_dev_desc[curr_device]);
767 return 0;
768
769 }
770 printf ("Usage:\n%s\n", cmdtp->usage);
771 return 1;
772 case 3:
773 if (strcmp (argv[1], "device") == 0) {
774 int dev = (int) simple_strtoul (argv[2], NULL, 10);
775
776 printf ("\nDevice %d: ", dev);
777 if (dev >= CFG_MAX_NAND_DEVICE) {
778 puts ("unknown device\n");
779 return 1;
780 }
781 nand_print (&nand_dev_desc[dev]);
782 /*nand_print (dev); */
783
784 if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) {
785 return 1;
786 }
787
788 curr_device = dev;
789
790 puts ("... is now current device\n");
791
792 return 0;
793 } else if (strcmp (argv[1], "erase") == 0
794 && strcmp (argv[2], "clean") == 0) {
795 struct nand_chip *nand = &nand_dev_desc[curr_device];
796 ulong off = 0;
797 ulong size = nand->totlen;
798 int ret;
799
800 printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size);
801
802 ret = nand_legacy_erase (nand, off, size, 1);
803
804 printf ("%s\n", ret ? "ERROR" : "OK");
805
wdenk7a8e9bed2003-05-31 18:35:21 +0000806 return ret;
807 }
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100808
809 printf ("Usage:\n%s\n", cmdtp->usage);
810 return 1;
811 default:
812 /* at least 4 args */
813
814 if (strncmp (argv[1], "read", 4) == 0 ||
815 strncmp (argv[1], "write", 5) == 0) {
816 ulong addr = simple_strtoul (argv[2], NULL, 16);
817 ulong off = simple_strtoul (argv[3], NULL, 16);
818 ulong size = simple_strtoul (argv[4], NULL, 16);
819 int cmd = (strncmp (argv[1], "read", 4) == 0) ?
820 NANDRW_READ : NANDRW_WRITE;
821 int ret, total;
822 char *cmdtail = strchr (argv[1], '.');
823
824 if (cmdtail && !strncmp (cmdtail, ".oob", 2)) {
825 /* read out-of-band data */
826 if (cmd & NANDRW_READ) {
827 ret = nand_read_oob (nand_dev_desc + curr_device,
828 off, size, (size_t *) & total,
829 (u_char *) addr);
830 } else {
831 ret = nand_write_oob (nand_dev_desc + curr_device,
832 off, size, (size_t *) & total,
833 (u_char *) addr);
834 }
835 return ret;
836 } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2))
837 cmd |= NANDRW_JFFS2; /* skip bad blocks */
838 else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 2)) {
839 cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */
840 if (cmd & NANDRW_READ)
841 cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
842 }
wdenk7a8e9bed2003-05-31 18:35:21 +0000843#ifdef SXNI855T
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100844 /* need ".e" same as ".j" for compatibility with older units */
845 else if (cmdtail && !strcmp (cmdtail, ".e"))
846 cmd |= NANDRW_JFFS2; /* skip bad blocks */
wdenk7a8e9bed2003-05-31 18:35:21 +0000847#endif
stroesea842a6d2004-12-16 17:45:46 +0000848#ifdef CFG_NAND_SKIP_BAD_DOT_I
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100849 /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */
850 /* ".i" for image -> read skips bad block (no 0xff) */
851 else if (cmdtail && !strcmp (cmdtail, ".i")) {
852 cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */
853 if (cmd & NANDRW_READ)
854 cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
855 }
stroesea842a6d2004-12-16 17:45:46 +0000856#endif /* CFG_NAND_SKIP_BAD_DOT_I */
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100857 else if (cmdtail) {
858 printf ("Usage:\n%s\n", cmdtp->usage);
859 return 1;
860 }
861
862 printf ("\nNAND %s: device %d offset %ld, size %ld ...\n",
863 (cmd & NANDRW_READ) ? "read" : "write",
864 curr_device, off, size);
865
866 ret = nand_legacy_rw (nand_dev_desc + curr_device,
867 cmd, off, size,
868 (size_t *) & total,
869 (u_char *) addr);
870
871 printf (" %d bytes %s: %s\n", total,
872 (cmd & NANDRW_READ) ? "read" : "written",
873 ret ? "ERROR" : "OK");
874
875 return ret;
876 } else if (strcmp (argv[1], "erase") == 0 &&
877 (argc == 4 || strcmp ("clean", argv[2]) == 0)) {
878 int clean = argc == 5;
879 ulong off =
880 simple_strtoul (argv[2 + clean], NULL, 16);
881 ulong size =
882 simple_strtoul (argv[3 + clean], NULL, 16);
883 int ret;
884
885 printf ("\nNAND erase: device %d offset %ld, size %ld ...\n",
886 curr_device, off, size);
887
888 ret = nand_legacy_erase (nand_dev_desc + curr_device,
889 off, size, clean);
890
891 printf ("%s\n", ret ? "ERROR" : "OK");
892
893 return ret;
894 } else {
wdenk7a8e9bed2003-05-31 18:35:21 +0000895 printf ("Usage:\n%s\n", cmdtp->usage);
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100896 rcode = 1;
wdenk7a8e9bed2003-05-31 18:35:21 +0000897 }
wdenkdc7c9a12003-03-26 06:55:25 +0000898
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100899 return rcode;
wdenkdc7c9a12003-03-26 06:55:25 +0000900 }
wdenkdc7c9a12003-03-26 06:55:25 +0000901}
902
wdenk0d498392003-07-01 21:06:45 +0000903U_BOOT_CMD(
904 nand, 5, 1, do_nand,
Stefan Roese2255b2d2006-10-10 12:36:02 +0200905 "nand - legacy NAND sub-system\n",
wdenkb0fce992003-06-29 21:03:46 +0000906 "info - show available NAND devices\n"
907 "nand device [dev] - show or set current device\n"
wdenka3d991b2004-04-15 21:48:45 +0000908 "nand read[.jffs2[s]] addr off size\n"
wdenkb0fce992003-06-29 21:03:46 +0000909 "nand write[.jffs2] addr off size - read/write `size' bytes starting\n"
910 " at offset `off' to/from memory address `addr'\n"
911 "nand erase [clean] [off size] - erase `size' bytes from\n"
912 " offset `off' (entire device if not specified)\n"
913 "nand bad - show bad blocks\n"
914 "nand read.oob addr off size - read out-of-band data\n"
915 "nand write.oob addr off size - read out-of-band data\n"
916);
917
wdenkdc7c9a12003-03-26 06:55:25 +0000918int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
919{
920 char *boot_device = NULL;
921 char *ep;
922 int dev;
923 ulong cnt;
924 ulong addr;
925 ulong offset = 0;
926 image_header_t *hdr;
927 int rcode = 0;
Heiko Schocherfad63402007-07-13 09:54:17 +0200928 show_boot_progress (52);
wdenkdc7c9a12003-03-26 06:55:25 +0000929 switch (argc) {
930 case 1:
931 addr = CFG_LOAD_ADDR;
932 boot_device = getenv ("bootdevice");
933 break;
934 case 2:
935 addr = simple_strtoul(argv[1], NULL, 16);
936 boot_device = getenv ("bootdevice");
937 break;
938 case 3:
939 addr = simple_strtoul(argv[1], NULL, 16);
940 boot_device = argv[2];
941 break;
942 case 4:
943 addr = simple_strtoul(argv[1], NULL, 16);
944 boot_device = argv[2];
945 offset = simple_strtoul(argv[3], NULL, 16);
946 break;
947 default:
948 printf ("Usage:\n%s\n", cmdtp->usage);
Heiko Schocherfad63402007-07-13 09:54:17 +0200949 show_boot_progress (-53);
wdenkdc7c9a12003-03-26 06:55:25 +0000950 return 1;
951 }
952
Heiko Schocherfad63402007-07-13 09:54:17 +0200953 show_boot_progress (53);
wdenkdc7c9a12003-03-26 06:55:25 +0000954 if (!boot_device) {
955 puts ("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200956 show_boot_progress (-54);
wdenkdc7c9a12003-03-26 06:55:25 +0000957 return 1;
958 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200959 show_boot_progress (54);
wdenkdc7c9a12003-03-26 06:55:25 +0000960
961 dev = simple_strtoul(boot_device, &ep, 16);
962
963 if ((dev >= CFG_MAX_NAND_DEVICE) ||
964 (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) {
965 printf ("\n** Device %d not available\n", dev);
Heiko Schocherfad63402007-07-13 09:54:17 +0200966 show_boot_progress (-55);
wdenkdc7c9a12003-03-26 06:55:25 +0000967 return 1;
968 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200969 show_boot_progress (55);
wdenkdc7c9a12003-03-26 06:55:25 +0000970
wdenk7a8e9bed2003-05-31 18:35:21 +0000971 printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n",
wdenkdc7c9a12003-03-26 06:55:25 +0000972 dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR,
973 offset);
974
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100975 if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset,
976 SECTORSIZE, NULL, (u_char *)addr)) {
wdenkdc7c9a12003-03-26 06:55:25 +0000977 printf ("** Read error on %d\n", dev);
Heiko Schocherfad63402007-07-13 09:54:17 +0200978 show_boot_progress (-56);
wdenkdc7c9a12003-03-26 06:55:25 +0000979 return 1;
980 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200981 show_boot_progress (56);
wdenkdc7c9a12003-03-26 06:55:25 +0000982
983 hdr = (image_header_t *)addr;
984
985 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
986
987 print_image_hdr (hdr);
988
989 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
990 cnt -= SECTORSIZE;
991 } else {
Wolfgang Denkdc013d42006-03-12 01:59:35 +0100992 printf ("\n** Bad Magic Number 0x%x **\n", ntohl(hdr->ih_magic));
Heiko Schocherfad63402007-07-13 09:54:17 +0200993 show_boot_progress (-57);
wdenkdc7c9a12003-03-26 06:55:25 +0000994 return 1;
995 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200996 show_boot_progress (57);
wdenkdc7c9a12003-03-26 06:55:25 +0000997
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100998 if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ,
999 offset + SECTORSIZE, cnt, NULL,
1000 (u_char *)(addr+SECTORSIZE))) {
wdenkdc7c9a12003-03-26 06:55:25 +00001001 printf ("** Read error on %d\n", dev);
Heiko Schocherfad63402007-07-13 09:54:17 +02001002 show_boot_progress (-58);
wdenkdc7c9a12003-03-26 06:55:25 +00001003 return 1;
1004 }
Heiko Schocherfad63402007-07-13 09:54:17 +02001005 show_boot_progress (58);
wdenkdc7c9a12003-03-26 06:55:25 +00001006
1007 /* Loading ok, update default load address */
1008
1009 load_addr = addr;
1010
1011 /* Check if we should attempt an auto-start */
1012 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
1013 char *local_args[2];
1014 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
1015
1016 local_args[0] = argv[0];
1017 local_args[1] = NULL;
1018
wdenk7a8e9bed2003-05-31 18:35:21 +00001019 printf ("Automatic boot of image at addr 0x%08lx ...\n", addr);
wdenkdc7c9a12003-03-26 06:55:25 +00001020
1021 do_bootm (cmdtp, 0, 1, local_args);
1022 rcode = 1;
1023 }
1024 return rcode;
1025}
1026
wdenk0d498392003-07-01 21:06:45 +00001027U_BOOT_CMD(
1028 nboot, 4, 1, do_nandboot,
wdenkb0fce992003-06-29 21:03:46 +00001029 "nboot - boot from NAND device\n",
1030 "loadAddr dev\n"
1031);
1032
Jon Loeligerc76fe472007-07-08 18:02:23 -05001033#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001034
1035#endif /* CFG_NAND_LEGACY */