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Commit | Line | Data |
---|---|---|
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 | 6 | * |
c9f7351b BG |
7 | * Ported 'dynenv' to 'nand env.oob' command |
8 | * (C) 2010 Nanometrics, Inc. | |
9 | * 'dynenv' -- Dynamic environment offset in NAND OOB | |
10 | * (C) Copyright 2006-2007 OpenMoko, Inc. | |
384cc687 WD |
11 | * Added 16-bit nand support |
12 | * (C) 2004 Texas Instruments | |
ea533c26 | 13 | * |
418396e2 | 14 | * Copyright 2010, 2012 Freescale Semiconductor |
ea533c26 SW |
15 | * The portions of this file whose copyright is held by Freescale and which |
16 | * are not considered a derived work of GPL v2-only code may be distributed | |
17 | * and/or modified under the terms of the GNU General Public License as | |
18 | * published by the Free Software Foundation; either version 2 of the | |
19 | * License, or (at your option) any later version. | |
dc7c9a1a WD |
20 | */ |
21 | ||
22 | #include <common.h> | |
cfa460ad | 23 | #include <linux/mtd/mtd.h> |
addb2e16 BS |
24 | #include <command.h> |
25 | #include <watchdog.h> | |
26 | #include <malloc.h> | |
27 | #include <asm/byteorder.h> | |
addb2e16 BS |
28 | #include <jffs2/jffs2.h> |
29 | #include <nand.h> | |
30 | ||
0c8a8491 | 31 | #if defined(CONFIG_CMD_MTDPARTS) |
856f0544 | 32 | |
445093d1 | 33 | /* partition handling routines */ |
856f0544 SR |
34 | int mtdparts_init(void); |
35 | int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); | |
36 | int find_dev_and_part(const char *id, struct mtd_device **dev, | |
4b070809 | 37 | u8 *part_num, struct part_info **part); |
856f0544 SR |
38 | #endif |
39 | ||
8c5659a6 | 40 | static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat) |
addb2e16 BS |
41 | { |
42 | int i; | |
9ad754fe | 43 | u_char *datbuf, *oobbuf, *p; |
8c5659a6 SW |
44 | static loff_t last; |
45 | ||
46 | if (repeat) | |
47 | off = last + nand->writesize; | |
48 | ||
49 | last = off; | |
addb2e16 | 50 | |
62fd66f3 TR |
51 | datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize); |
52 | oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize); | |
9ad754fe | 53 | if (!datbuf || !oobbuf) { |
addb2e16 BS |
54 | puts("No memory for page buffer\n"); |
55 | return 1; | |
56 | } | |
cfa460ad | 57 | off &= ~(nand->writesize - 1); |
cfa460ad | 58 | loff_t addr = (loff_t) off; |
9ad754fe WJ |
59 | struct mtd_oob_ops ops; |
60 | memset(&ops, 0, sizeof(ops)); | |
61 | ops.datbuf = datbuf; | |
cfdae12f | 62 | ops.oobbuf = oobbuf; |
9ad754fe WJ |
63 | ops.len = nand->writesize; |
64 | ops.ooblen = nand->oobsize; | |
65 | ops.mode = MTD_OOB_RAW; | |
66 | i = nand->read_oob(nand, addr, &ops); | |
addb2e16 | 67 | if (i < 0) { |
e870690b | 68 | printf("Error (%d) reading page %08lx\n", i, off); |
9ad754fe WJ |
69 | free(datbuf); |
70 | free(oobbuf); | |
addb2e16 BS |
71 | return 1; |
72 | } | |
e870690b | 73 | printf("Page %08lx dump:\n", off); |
9ad754fe WJ |
74 | i = nand->writesize >> 4; |
75 | p = datbuf; | |
4b070809 | 76 | |
addb2e16 | 77 | while (i--) { |
9ad754fe WJ |
78 | if (!only_oob) |
79 | printf("\t%02x %02x %02x %02x %02x %02x %02x %02x" | |
80 | " %02x %02x %02x %02x %02x %02x %02x %02x\n", | |
81 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], | |
dfbf617f SW |
82 | p[8], p[9], p[10], p[11], p[12], p[13], p[14], |
83 | p[15]); | |
addb2e16 BS |
84 | p += 16; |
85 | } | |
86 | puts("OOB:\n"); | |
87 | i = nand->oobsize >> 3; | |
cfdae12f | 88 | p = oobbuf; |
addb2e16 | 89 | while (i--) { |
cfa460ad WJ |
90 | printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n", |
91 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); | |
addb2e16 BS |
92 | p += 8; |
93 | } | |
9ad754fe WJ |
94 | free(datbuf); |
95 | free(oobbuf); | |
addb2e16 BS |
96 | |
97 | return 0; | |
98 | } | |
99 | ||
100 | /* ------------------------------------------------------------------------- */ | |
101 | ||
ea533c26 SW |
102 | static int set_dev(int dev) |
103 | { | |
104 | if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || | |
105 | !nand_info[dev].name) { | |
106 | puts("No such device\n"); | |
107 | return -1; | |
108 | } | |
109 | ||
110 | if (nand_curr_device == dev) | |
111 | return 0; | |
112 | ||
113 | printf("Device %d: %s", dev, nand_info[dev].name); | |
114 | puts("... is now current device\n"); | |
115 | nand_curr_device = dev; | |
116 | ||
117 | #ifdef CONFIG_SYS_NAND_SELECT_DEVICE | |
118 | board_nand_select_device(nand_info[dev].priv, dev); | |
119 | #endif | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | static inline int str2off(const char *p, loff_t *num) | |
125 | { | |
126 | char *endptr; | |
127 | ||
128 | *num = simple_strtoull(p, &endptr, 16); | |
129 | return *p != '\0' && *endptr == '\0'; | |
130 | } | |
131 | ||
132 | static inline int str2long(const char *p, ulong *num) | |
addb2e16 | 133 | { |
856f0544 | 134 | char *endptr; |
addb2e16 | 135 | |
856f0544 | 136 | *num = simple_strtoul(p, &endptr, 16); |
ea533c26 | 137 | return *p != '\0' && *endptr == '\0'; |
856f0544 | 138 | } |
addb2e16 | 139 | |
c39d6a0e TR |
140 | static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size, |
141 | loff_t *maxsize) | |
856f0544 | 142 | { |
ea533c26 | 143 | #ifdef CONFIG_CMD_MTDPARTS |
856f0544 SR |
144 | struct mtd_device *dev; |
145 | struct part_info *part; | |
146 | u8 pnum; | |
ea533c26 | 147 | int ret; |
856f0544 | 148 | |
ea533c26 SW |
149 | ret = mtdparts_init(); |
150 | if (ret) | |
151 | return ret; | |
152 | ||
153 | ret = find_dev_and_part(partname, &dev, &pnum, &part); | |
154 | if (ret) | |
155 | return ret; | |
156 | ||
157 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
158 | puts("not a NAND device\n"); | |
159 | return -1; | |
856f0544 | 160 | } |
ea533c26 SW |
161 | |
162 | *off = part->offset; | |
163 | *size = part->size; | |
c39d6a0e | 164 | *maxsize = part->size; |
ea533c26 SW |
165 | *idx = dev->id->num; |
166 | ||
167 | ret = set_dev(*idx); | |
168 | if (ret) | |
169 | return ret; | |
170 | ||
171 | return 0; | |
172 | #else | |
173 | puts("offset is not a number\n"); | |
174 | return -1; | |
addb2e16 | 175 | #endif |
ea533c26 | 176 | } |
addb2e16 | 177 | |
c39d6a0e TR |
178 | static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *size, |
179 | loff_t *maxsize) | |
ea533c26 SW |
180 | { |
181 | if (!str2off(arg, off)) | |
c39d6a0e | 182 | return get_part(arg, idx, off, size, maxsize); |
ea533c26 SW |
183 | |
184 | if (*off >= nand_info[*idx].size) { | |
185 | puts("Offset exceeds device limit\n"); | |
186 | return -1; | |
187 | } | |
188 | ||
189 | *maxsize = nand_info[*idx].size - *off; | |
c39d6a0e | 190 | *size = *maxsize; |
ea533c26 SW |
191 | return 0; |
192 | } | |
193 | ||
194 | static int arg_off_size(int argc, char *const argv[], int *idx, | |
c39d6a0e | 195 | loff_t *off, loff_t *size, loff_t *maxsize) |
ea533c26 SW |
196 | { |
197 | int ret; | |
ea533c26 SW |
198 | |
199 | if (argc == 0) { | |
856f0544 | 200 | *off = 0; |
ea533c26 | 201 | *size = nand_info[*idx].size; |
c39d6a0e | 202 | *maxsize = *size; |
ea533c26 | 203 | goto print; |
856f0544 | 204 | } |
addb2e16 | 205 | |
c39d6a0e | 206 | ret = arg_off(argv[0], idx, off, size, maxsize); |
ea533c26 SW |
207 | if (ret) |
208 | return ret; | |
209 | ||
c39d6a0e | 210 | if (argc == 1) |
ea533c26 | 211 | goto print; |
addb2e16 | 212 | |
ea533c26 SW |
213 | if (!str2off(argv[1], size)) { |
214 | printf("'%s' is not a number\n", argv[1]); | |
215 | return -1; | |
216 | } | |
217 | ||
c39d6a0e | 218 | if (*size > *maxsize) { |
ea533c26 SW |
219 | puts("Size exceeds partition or device limit\n"); |
220 | return -1; | |
221 | } | |
222 | ||
223 | print: | |
224 | printf("device %d ", *idx); | |
225 | if (*size == nand_info[*idx].size) | |
856f0544 SR |
226 | puts("whole chip\n"); |
227 | else | |
ea533c26 SW |
228 | printf("offset 0x%llx, size 0x%llx\n", |
229 | (unsigned long long)*off, (unsigned long long)*size); | |
856f0544 | 230 | return 0; |
addb2e16 BS |
231 | } |
232 | ||
50657c27 NM |
233 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
234 | static void print_status(ulong start, ulong end, ulong erasesize, int status) | |
235 | { | |
e70bfa29 JH |
236 | /* |
237 | * Micron NAND flash (e.g. MT29F4G08ABADAH4) BLOCK LOCK READ STATUS is | |
238 | * not the same as others. Instead of bit 1 being lock, it is | |
239 | * #lock_tight. To make the driver support either format, ignore bit 1 | |
240 | * and use only bit 0 and bit 2. | |
241 | */ | |
50657c27 NM |
242 | printf("%08lx - %08lx: %08lx blocks %s%s%s\n", |
243 | start, | |
244 | end - 1, | |
245 | (end - start) / erasesize, | |
246 | ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), | |
e70bfa29 | 247 | (!(status & NAND_LOCK_STATUS_UNLOCK) ? "LOCK " : ""), |
50657c27 NM |
248 | ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); |
249 | } | |
250 | ||
251 | static void do_nand_status(nand_info_t *nand) | |
252 | { | |
253 | ulong block_start = 0; | |
254 | ulong off; | |
255 | int last_status = -1; | |
256 | ||
257 | struct nand_chip *nand_chip = nand->priv; | |
258 | /* check the WP bit */ | |
259 | nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1); | |
260 | printf("device is %swrite protected\n", | |
261 | (nand_chip->read_byte(nand) & 0x80 ? | |
262 | "NOT " : "")); | |
263 | ||
264 | for (off = 0; off < nand->size; off += nand->erasesize) { | |
265 | int s = nand_get_lock_status(nand, off); | |
266 | ||
267 | /* print message only if status has changed */ | |
268 | if (s != last_status && off != 0) { | |
269 | print_status(block_start, off, nand->erasesize, | |
270 | last_status); | |
271 | block_start = off; | |
272 | } | |
273 | last_status = s; | |
274 | } | |
275 | /* Print the last block info */ | |
276 | print_status(block_start, off, nand->erasesize, last_status); | |
277 | } | |
278 | #endif | |
279 | ||
c9f7351b BG |
280 | #ifdef CONFIG_ENV_OFFSET_OOB |
281 | unsigned long nand_env_oob_offset; | |
282 | ||
ea533c26 | 283 | int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[]) |
c9f7351b BG |
284 | { |
285 | int ret; | |
286 | uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)]; | |
ea533c26 | 287 | nand_info_t *nand = &nand_info[0]; |
c9f7351b BG |
288 | char *cmd = argv[1]; |
289 | ||
ea533c26 SW |
290 | if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) { |
291 | puts("no devices available\n"); | |
292 | return 1; | |
293 | } | |
294 | ||
295 | set_dev(0); | |
296 | ||
c9f7351b BG |
297 | if (!strcmp(cmd, "get")) { |
298 | ret = get_nand_env_oob(nand, &nand_env_oob_offset); | |
53504a27 | 299 | if (ret) |
c9f7351b | 300 | return 1; |
53504a27 SW |
301 | |
302 | printf("0x%08lx\n", nand_env_oob_offset); | |
c9f7351b | 303 | } else if (!strcmp(cmd, "set")) { |
ea533c26 SW |
304 | loff_t addr; |
305 | loff_t maxsize; | |
c9f7351b | 306 | struct mtd_oob_ops ops; |
ea533c26 | 307 | int idx = 0; |
c9f7351b BG |
308 | |
309 | if (argc < 3) | |
310 | goto usage; | |
311 | ||
c39d6a0e TR |
312 | /* We don't care about size, or maxsize. */ |
313 | if (arg_off(argv[2], &idx, &addr, &maxsize, &maxsize)) { | |
ea533c26 SW |
314 | puts("Offset or partition name expected\n"); |
315 | return 1; | |
316 | } | |
317 | ||
318 | if (idx != 0) { | |
319 | puts("Partition not on first NAND device\n"); | |
c9f7351b BG |
320 | return 1; |
321 | } | |
322 | ||
323 | if (nand->oobavail < ENV_OFFSET_SIZE) { | |
53504a27 SW |
324 | printf("Insufficient available OOB bytes:\n" |
325 | "%d OOB bytes available but %d required for " | |
326 | "env.oob support\n", | |
327 | nand->oobavail, ENV_OFFSET_SIZE); | |
c9f7351b BG |
328 | return 1; |
329 | } | |
330 | ||
331 | if ((addr & (nand->erasesize - 1)) != 0) { | |
332 | printf("Environment offset must be block-aligned\n"); | |
333 | return 1; | |
334 | } | |
335 | ||
336 | ops.datbuf = NULL; | |
337 | ops.mode = MTD_OOB_AUTO; | |
338 | ops.ooboffs = 0; | |
339 | ops.ooblen = ENV_OFFSET_SIZE; | |
340 | ops.oobbuf = (void *) oob_buf; | |
341 | ||
342 | oob_buf[0] = ENV_OOB_MARKER; | |
343 | oob_buf[1] = addr / nand->erasesize; | |
344 | ||
345 | ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops); | |
53504a27 | 346 | if (ret) { |
c9f7351b BG |
347 | printf("Error writing OOB block 0\n"); |
348 | return ret; | |
349 | } | |
53504a27 SW |
350 | |
351 | ret = get_nand_env_oob(nand, &nand_env_oob_offset); | |
352 | if (ret) { | |
353 | printf("Error reading env offset in OOB\n"); | |
354 | return ret; | |
355 | } | |
356 | ||
357 | if (addr != nand_env_oob_offset) { | |
358 | printf("Verification of env offset in OOB failed: " | |
ea533c26 SW |
359 | "0x%08llx expected but got 0x%08lx\n", |
360 | (unsigned long long)addr, nand_env_oob_offset); | |
53504a27 SW |
361 | return 1; |
362 | } | |
c9f7351b BG |
363 | } else { |
364 | goto usage; | |
365 | } | |
366 | ||
367 | return ret; | |
368 | ||
369 | usage: | |
4c12eeb8 | 370 | return CMD_RET_USAGE; |
c9f7351b BG |
371 | } |
372 | ||
373 | #endif | |
374 | ||
ce80ddc1 | 375 | static void nand_print_and_set_info(int idx) |
672ed2ae WG |
376 | { |
377 | nand_info_t *nand = &nand_info[idx]; | |
378 | struct nand_chip *chip = nand->priv; | |
ce80ddc1 | 379 | |
672ed2ae WG |
380 | printf("Device %d: ", idx); |
381 | if (chip->numchips > 1) | |
382 | printf("%dx ", chip->numchips); | |
383 | printf("%s, sector size %u KiB\n", | |
384 | nand->name, nand->erasesize >> 10); | |
ce80ddc1 MV |
385 | printf(" Page size %8d b\n", nand->writesize); |
386 | printf(" OOB size %8d b\n", nand->oobsize); | |
387 | printf(" Erase size %8d b\n", nand->erasesize); | |
388 | ||
389 | /* Set geometry info */ | |
41ef372c SG |
390 | setenv_hex("nand_writesize", nand->writesize); |
391 | setenv_hex("nand_oobsize", nand->oobsize); | |
392 | setenv_hex("nand_erasesize", nand->erasesize); | |
672ed2ae WG |
393 | } |
394 | ||
418396e2 SW |
395 | static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count, |
396 | int read) | |
397 | { | |
398 | int ret = 0; | |
418396e2 SW |
399 | |
400 | while (count--) { | |
401 | /* Raw access */ | |
402 | mtd_oob_ops_t ops = { | |
403 | .datbuf = (u8 *)addr, | |
404 | .oobbuf = ((u8 *)addr) + nand->writesize, | |
405 | .len = nand->writesize, | |
406 | .ooblen = nand->oobsize, | |
407 | .mode = MTD_OOB_RAW | |
408 | }; | |
409 | ||
418396e2 SW |
410 | if (read) |
411 | ret = nand->read_oob(nand, off, &ops); | |
412 | else | |
413 | ret = nand->write_oob(nand, off, &ops); | |
414 | ||
415 | if (ret) { | |
416 | printf("%s: error at offset %llx, ret %d\n", | |
417 | __func__, (long long)off, ret); | |
418 | break; | |
419 | } | |
420 | ||
421 | addr += nand->writesize + nand->oobsize; | |
422 | off += nand->writesize; | |
423 | } | |
424 | ||
425 | return ret; | |
426 | } | |
427 | ||
088f1b19 | 428 | static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
addb2e16 | 429 | { |
ea533c26 SW |
430 | int i, ret = 0; |
431 | ulong addr; | |
c39d6a0e | 432 | loff_t off, size, maxsize; |
addb2e16 BS |
433 | char *cmd, *s; |
434 | nand_info_t *nand; | |
6d0f6bcf JCPV |
435 | #ifdef CONFIG_SYS_NAND_QUIET |
436 | int quiet = CONFIG_SYS_NAND_QUIET; | |
c750d2e6 | 437 | #else |
2255b2d2 | 438 | int quiet = 0; |
c750d2e6 | 439 | #endif |
2255b2d2 | 440 | const char *quiet_str = getenv("quiet"); |
ea533c26 | 441 | int dev = nand_curr_device; |
8c5659a6 | 442 | int repeat = flag & CMD_FLAG_REPEAT; |
addb2e16 BS |
443 | |
444 | /* at least two arguments please */ | |
445 | if (argc < 2) | |
446 | goto usage; | |
447 | ||
2255b2d2 SR |
448 | if (quiet_str) |
449 | quiet = simple_strtoul(quiet_str, NULL, 0) != 0; | |
450 | ||
addb2e16 BS |
451 | cmd = argv[1]; |
452 | ||
8c5659a6 SW |
453 | /* Only "dump" is repeatable. */ |
454 | if (repeat && strcmp(cmd, "dump")) | |
455 | return 0; | |
456 | ||
addb2e16 BS |
457 | if (strcmp(cmd, "info") == 0) { |
458 | ||
459 | putc('\n'); | |
6d0f6bcf | 460 | for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { |
addb2e16 | 461 | if (nand_info[i].name) |
ce80ddc1 | 462 | nand_print_and_set_info(i); |
addb2e16 BS |
463 | } |
464 | return 0; | |
465 | } | |
466 | ||
467 | if (strcmp(cmd, "device") == 0) { | |
addb2e16 | 468 | if (argc < 3) { |
672ed2ae | 469 | putc('\n'); |
ea533c26 | 470 | if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE) |
672ed2ae | 471 | puts("no devices available\n"); |
addb2e16 | 472 | else |
ce80ddc1 | 473 | nand_print_and_set_info(dev); |
addb2e16 BS |
474 | return 0; |
475 | } | |
43a2b0e7 | 476 | |
ea533c26 SW |
477 | dev = (int)simple_strtoul(argv[2], NULL, 10); |
478 | set_dev(dev); | |
43a2b0e7 | 479 | |
addb2e16 BS |
480 | return 0; |
481 | } | |
482 | ||
c9f7351b BG |
483 | #ifdef CONFIG_ENV_OFFSET_OOB |
484 | /* this command operates only on the first nand device */ | |
ea533c26 SW |
485 | if (strcmp(cmd, "env.oob") == 0) |
486 | return do_nand_env_oob(cmdtp, argc - 1, argv + 1); | |
c9f7351b BG |
487 | #endif |
488 | ||
ea533c26 SW |
489 | /* The following commands operate on the current device, unless |
490 | * overridden by a partition specifier. Note that if somehow the | |
491 | * current device is invalid, it will have to be changed to a valid | |
492 | * one before these commands can run, even if a partition specifier | |
493 | * for another device is to be used. | |
494 | */ | |
495 | if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || | |
496 | !nand_info[dev].name) { | |
addb2e16 BS |
497 | puts("\nno devices available\n"); |
498 | return 1; | |
499 | } | |
ea533c26 | 500 | nand = &nand_info[dev]; |
addb2e16 BS |
501 | |
502 | if (strcmp(cmd, "bad") == 0) { | |
ea533c26 | 503 | printf("\nDevice %d bad blocks:\n", dev); |
addb2e16 BS |
504 | for (off = 0; off < nand->size; off += nand->erasesize) |
505 | if (nand_block_isbad(nand, off)) | |
ea533c26 | 506 | printf(" %08llx\n", (unsigned long long)off); |
addb2e16 BS |
507 | return 0; |
508 | } | |
509 | ||
856f0544 SR |
510 | /* |
511 | * Syntax is: | |
512 | * 0 1 2 3 4 | |
513 | * nand erase [clean] [off size] | |
514 | */ | |
30486322 | 515 | if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) { |
2255b2d2 | 516 | nand_erase_options_t opts; |
856f0544 | 517 | /* "clean" at index 2 means request to write cleanmarker */ |
3043c045 | 518 | int clean = argc > 2 && !strcmp("clean", argv[2]); |
60899816 MV |
519 | int scrub_yes = argc > 2 && !strcmp("-y", argv[2]); |
520 | int o = (clean || scrub_yes) ? 3 : 2; | |
30486322 | 521 | int scrub = !strncmp(cmd, "scrub", 5); |
30486322 SW |
522 | int spread = 0; |
523 | int args = 2; | |
60899816 MV |
524 | const char *scrub_warn = |
525 | "Warning: " | |
526 | "scrub option will erase all factory set bad blocks!\n" | |
527 | " " | |
528 | "There is no reliable way to recover them.\n" | |
529 | " " | |
530 | "Use this command only for testing purposes if you\n" | |
531 | " " | |
532 | "are sure of what you are doing!\n" | |
533 | "\nReally scrub this NAND flash? <y/N>\n"; | |
30486322 SW |
534 | |
535 | if (cmd[5] != 0) { | |
536 | if (!strcmp(&cmd[5], ".spread")) { | |
537 | spread = 1; | |
538 | } else if (!strcmp(&cmd[5], ".part")) { | |
30486322 SW |
539 | args = 1; |
540 | } else if (!strcmp(&cmd[5], ".chip")) { | |
30486322 SW |
541 | args = 0; |
542 | } else { | |
543 | goto usage; | |
544 | } | |
545 | } | |
546 | ||
547 | /* | |
548 | * Don't allow missing arguments to cause full chip/partition | |
549 | * erases -- easy to do accidentally, e.g. with a misspelled | |
550 | * variable name. | |
551 | */ | |
552 | if (argc != o + args) | |
553 | goto usage; | |
2255b2d2 | 554 | |
30486322 | 555 | printf("\nNAND %s: ", cmd); |
856f0544 | 556 | /* skip first two or three arguments, look for offset and size */ |
c39d6a0e TR |
557 | if (arg_off_size(argc - o, argv + o, &dev, &off, &size, |
558 | &maxsize) != 0) | |
856f0544 | 559 | return 1; |
2255b2d2 | 560 | |
ea533c26 SW |
561 | nand = &nand_info[dev]; |
562 | ||
2255b2d2 SR |
563 | memset(&opts, 0, sizeof(opts)); |
564 | opts.offset = off; | |
565 | opts.length = size; | |
566 | opts.jffs2 = clean; | |
567 | opts.quiet = quiet; | |
30486322 | 568 | opts.spread = spread; |
2255b2d2 SR |
569 | |
570 | if (scrub) { | |
60899816 MV |
571 | if (!scrub_yes) |
572 | puts(scrub_warn); | |
573 | ||
574 | if (scrub_yes) | |
575 | opts.scrub = 1; | |
576 | else if (getc() == 'y') { | |
6b94b496 FF |
577 | puts("y"); |
578 | if (getc() == '\r') | |
579 | opts.scrub = 1; | |
580 | else { | |
581 | puts("scrub aborted\n"); | |
582 | return -1; | |
583 | } | |
2255b2d2 | 584 | } else { |
856f0544 | 585 | puts("scrub aborted\n"); |
2255b2d2 SR |
586 | return -1; |
587 | } | |
588 | } | |
589 | ret = nand_erase_opts(nand, &opts); | |
addb2e16 BS |
590 | printf("%s\n", ret ? "ERROR" : "OK"); |
591 | ||
592 | return ret == 0 ? 0 : 1; | |
593 | } | |
594 | ||
595 | if (strncmp(cmd, "dump", 4) == 0) { | |
596 | if (argc < 3) | |
597 | goto usage; | |
598 | ||
addb2e16 | 599 | off = (int)simple_strtoul(argv[2], NULL, 16); |
8c5659a6 | 600 | ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat); |
addb2e16 BS |
601 | |
602 | return ret == 0 ? 1 : 0; | |
addb2e16 BS |
603 | } |
604 | ||
addb2e16 | 605 | if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { |
ea533c26 | 606 | size_t rwsize; |
418396e2 | 607 | ulong pagecount = 1; |
2255b2d2 | 608 | int read; |
ced199dc | 609 | int raw = 0; |
2255b2d2 | 610 | |
addb2e16 BS |
611 | if (argc < 4) |
612 | goto usage; | |
2255b2d2 | 613 | |
addb2e16 BS |
614 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); |
615 | ||
2255b2d2 | 616 | read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ |
856f0544 | 617 | printf("\nNAND %s: ", read ? "read" : "write"); |
4cbb651b | 618 | |
ea533c26 | 619 | nand = &nand_info[dev]; |
ea533c26 | 620 | |
2255b2d2 | 621 | s = strchr(cmd, '.'); |
418396e2 | 622 | |
8d75c896 | 623 | if (s && !strcmp(s, ".raw")) { |
418396e2 SW |
624 | raw = 1; |
625 | ||
c39d6a0e | 626 | if (arg_off(argv[3], &dev, &off, &size, &maxsize)) |
418396e2 SW |
627 | return 1; |
628 | ||
629 | if (argc > 4 && !str2long(argv[4], &pagecount)) { | |
630 | printf("'%s' is not a number\n", argv[4]); | |
631 | return 1; | |
632 | } | |
633 | ||
634 | if (pagecount * nand->writesize > size) { | |
635 | puts("Size exceeds partition or device limit\n"); | |
636 | return -1; | |
637 | } | |
638 | ||
639 | rwsize = pagecount * (nand->writesize + nand->oobsize); | |
640 | } else { | |
641 | if (arg_off_size(argc - 3, argv + 3, &dev, | |
c39d6a0e | 642 | &off, &size, &maxsize) != 0) |
418396e2 SW |
643 | return 1; |
644 | ||
645 | rwsize = size; | |
646 | } | |
647 | ||
984e03cd SW |
648 | if (!s || !strcmp(s, ".jffs2") || |
649 | !strcmp(s, ".e") || !strcmp(s, ".i")) { | |
dfbf617f | 650 | if (read) |
ea533c26 | 651 | ret = nand_read_skip_bad(nand, off, &rwsize, |
c39d6a0e | 652 | NULL, maxsize, |
4b070809 | 653 | (u_char *)addr); |
dfbf617f | 654 | else |
ea533c26 | 655 | ret = nand_write_skip_bad(nand, off, &rwsize, |
c39d6a0e | 656 | NULL, maxsize, |
47fc18f1 | 657 | (u_char *)addr, 0); |
c9494866 BG |
658 | #ifdef CONFIG_CMD_NAND_TRIMFFS |
659 | } else if (!strcmp(s, ".trimffs")) { | |
660 | if (read) { | |
661 | printf("Unknown nand command suffix '%s'\n", s); | |
662 | return 1; | |
663 | } | |
c39d6a0e TR |
664 | ret = nand_write_skip_bad(nand, off, &rwsize, NULL, |
665 | maxsize, (u_char *)addr, | |
c9494866 BG |
666 | WITH_DROP_FFS); |
667 | #endif | |
47fc18f1 LW |
668 | #ifdef CONFIG_CMD_NAND_YAFFS |
669 | } else if (!strcmp(s, ".yaffs")) { | |
670 | if (read) { | |
671 | printf("Unknown nand command suffix '%s'.\n", s); | |
672 | return 1; | |
673 | } | |
c39d6a0e TR |
674 | ret = nand_write_skip_bad(nand, off, &rwsize, NULL, |
675 | maxsize, (u_char *)addr, | |
418396e2 | 676 | WITH_INLINE_OOB); |
47fc18f1 | 677 | #endif |
dfc99e14 | 678 | } else if (!strcmp(s, ".oob")) { |
cfa460ad WJ |
679 | /* out-of-band data */ |
680 | mtd_oob_ops_t ops = { | |
681 | .oobbuf = (u8 *)addr, | |
ea533c26 | 682 | .ooblen = rwsize, |
cfa460ad WJ |
683 | .mode = MTD_OOB_RAW |
684 | }; | |
685 | ||
fb3659ac MV |
686 | if (read) |
687 | ret = nand->read_oob(nand, off, &ops); | |
688 | else | |
689 | ret = nand->write_oob(nand, off, &ops); | |
418396e2 SW |
690 | } else if (raw) { |
691 | ret = raw_access(nand, addr, off, pagecount, read); | |
856f0544 | 692 | } else { |
984e03cd SW |
693 | printf("Unknown nand command suffix '%s'.\n", s); |
694 | return 1; | |
2255b2d2 SR |
695 | } |
696 | ||
ea533c26 | 697 | printf(" %zu bytes %s: %s\n", rwsize, |
2255b2d2 | 698 | read ? "read" : "written", ret ? "ERROR" : "OK"); |
addb2e16 BS |
699 | |
700 | return ret == 0 ? 0 : 1; | |
701 | } | |
2255b2d2 | 702 | |
3287f6d3 BT |
703 | #ifdef CONFIG_CMD_NAND_TORTURE |
704 | if (strcmp(cmd, "torture") == 0) { | |
705 | if (argc < 3) | |
706 | goto usage; | |
707 | ||
708 | if (!str2off(argv[2], &off)) { | |
709 | puts("Offset is not a valid number\n"); | |
710 | return 1; | |
711 | } | |
712 | ||
713 | printf("\nNAND torture: device %d offset 0x%llx size 0x%x\n", | |
714 | dev, off, nand->erasesize); | |
715 | ret = nand_torture(nand, off); | |
716 | printf(" %s\n", ret ? "Failed" : "Passed"); | |
717 | ||
718 | return ret == 0 ? 0 : 1; | |
719 | } | |
720 | #endif | |
721 | ||
2255b2d2 | 722 | if (strcmp(cmd, "markbad") == 0) { |
8360b66b WD |
723 | argc -= 2; |
724 | argv += 2; | |
2255b2d2 | 725 | |
8360b66b WD |
726 | if (argc <= 0) |
727 | goto usage; | |
728 | ||
729 | while (argc > 0) { | |
730 | addr = simple_strtoul(*argv, NULL, 16); | |
731 | ||
732 | if (nand->block_markbad(nand, addr)) { | |
733 | printf("block 0x%08lx NOT marked " | |
734 | "as bad! ERROR %d\n", | |
735 | addr, ret); | |
736 | ret = 1; | |
737 | } else { | |
738 | printf("block 0x%08lx successfully " | |
739 | "marked as bad\n", | |
740 | addr); | |
741 | } | |
742 | --argc; | |
743 | ++argv; | |
2255b2d2 | 744 | } |
8360b66b | 745 | return ret; |
2255b2d2 | 746 | } |
dfbf617f | 747 | |
2255b2d2 SR |
748 | if (strcmp(cmd, "biterr") == 0) { |
749 | /* todo */ | |
750 | return 1; | |
751 | } | |
752 | ||
50657c27 | 753 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
2255b2d2 | 754 | if (strcmp(cmd, "lock") == 0) { |
50657c27 | 755 | int tight = 0; |
2255b2d2 SR |
756 | int status = 0; |
757 | if (argc == 3) { | |
758 | if (!strcmp("tight", argv[2])) | |
759 | tight = 1; | |
760 | if (!strcmp("status", argv[2])) | |
761 | status = 1; | |
762 | } | |
2255b2d2 | 763 | if (status) { |
50657c27 | 764 | do_nand_status(nand); |
cfa460ad | 765 | } else { |
5e1dae5c WJ |
766 | if (!nand_lock(nand, tight)) { |
767 | puts("NAND flash successfully locked\n"); | |
768 | } else { | |
769 | puts("Error locking NAND flash\n"); | |
770 | return 1; | |
771 | } | |
2255b2d2 SR |
772 | } |
773 | return 0; | |
774 | } | |
775 | ||
eee623a5 JH |
776 | if (strncmp(cmd, "unlock", 5) == 0) { |
777 | int allexcept = 0; | |
778 | ||
779 | s = strchr(cmd, '.'); | |
780 | ||
781 | if (s && !strcmp(s, ".allexcept")) | |
782 | allexcept = 1; | |
783 | ||
c39d6a0e TR |
784 | if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size, |
785 | &maxsize) < 0) | |
856f0544 | 786 | return 1; |
2255b2d2 | 787 | |
eee623a5 | 788 | if (!nand_unlock(&nand_info[dev], off, size, allexcept)) { |
5e1dae5c WJ |
789 | puts("NAND flash successfully unlocked\n"); |
790 | } else { | |
791 | puts("Error unlocking NAND flash, " | |
3043c045 | 792 | "write and erase will probably fail\n"); |
5e1dae5c WJ |
793 | return 1; |
794 | } | |
2255b2d2 SR |
795 | return 0; |
796 | } | |
50657c27 | 797 | #endif |
2255b2d2 | 798 | |
addb2e16 | 799 | usage: |
4c12eeb8 | 800 | return CMD_RET_USAGE; |
addb2e16 BS |
801 | } |
802 | ||
088f1b19 KP |
803 | #ifdef CONFIG_SYS_LONGHELP |
804 | static char nand_help_text[] = | |
a89c33db WD |
805 | "info - show available NAND devices\n" |
806 | "nand device [dev] - show or set current device\n" | |
807 | "nand read - addr off|partition size\n" | |
808 | "nand write - addr off|partition size\n" | |
809 | " read/write 'size' bytes starting at offset 'off'\n" | |
810 | " to/from memory address 'addr', skipping bad blocks.\n" | |
418396e2 SW |
811 | "nand read.raw - addr off|partition [count]\n" |
812 | "nand write.raw - addr off|partition [count]\n" | |
813 | " Use read.raw/write.raw to avoid ECC and access the flash as-is.\n" | |
c9494866 BG |
814 | #ifdef CONFIG_CMD_NAND_TRIMFFS |
815 | "nand write.trimffs - addr off|partition size\n" | |
816 | " write 'size' bytes starting at offset 'off' from memory address\n" | |
817 | " 'addr', skipping bad blocks and dropping any pages at the end\n" | |
818 | " of eraseblocks that contain only 0xFF\n" | |
819 | #endif | |
47fc18f1 LW |
820 | #ifdef CONFIG_CMD_NAND_YAFFS |
821 | "nand write.yaffs - addr off|partition size\n" | |
822 | " write 'size' bytes starting at offset 'off' with yaffs format\n" | |
823 | " from memory address 'addr', skipping bad blocks.\n" | |
824 | #endif | |
eb3abce8 | 825 | "nand erase[.spread] [clean] off size - erase 'size' bytes " |
30486322 SW |
826 | "from offset 'off'\n" |
827 | " With '.spread', erase enough for given file size, otherwise,\n" | |
828 | " 'size' includes skipped bad blocks.\n" | |
829 | "nand erase.part [clean] partition - erase entire mtd partition'\n" | |
830 | "nand erase.chip [clean] - erase entire chip'\n" | |
a89c33db WD |
831 | "nand bad - show bad blocks\n" |
832 | "nand dump[.oob] off - dump page\n" | |
3287f6d3 BT |
833 | #ifdef CONFIG_CMD_NAND_TORTURE |
834 | "nand torture off - torture block at offset\n" | |
835 | #endif | |
60899816 | 836 | "nand scrub [-y] off size | scrub.part partition | scrub.chip\n" |
30486322 | 837 | " really clean NAND erasing bad blocks (UNSAFE)\n" |
a89c33db WD |
838 | "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n" |
839 | "nand biterr off - make a bit error at offset (UNSAFE)" | |
50657c27 | 840 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
a89c33db WD |
841 | "\n" |
842 | "nand lock [tight] [status]\n" | |
843 | " bring nand to lock state or display locked pages\n" | |
eee623a5 | 844 | "nand unlock[.allexcept] [offset] [size] - unlock section" |
50657c27 | 845 | #endif |
c9f7351b BG |
846 | #ifdef CONFIG_ENV_OFFSET_OOB |
847 | "\n" | |
848 | "nand env.oob - environment offset in OOB of block 0 of" | |
849 | " first device.\n" | |
850 | "nand env.oob set off|partition - set enviromnent offset\n" | |
851 | "nand env.oob get - get environment offset" | |
852 | #endif | |
088f1b19 KP |
853 | ""; |
854 | #endif | |
855 | ||
856 | U_BOOT_CMD( | |
857 | nand, CONFIG_SYS_MAXARGS, 1, do_nand, | |
858 | "NAND sub-system", nand_help_text | |
50657c27 | 859 | ); |
addb2e16 | 860 | |
856f0544 | 861 | static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, |
4b070809 | 862 | ulong offset, ulong addr, char *cmd) |
addb2e16 | 863 | { |
addb2e16 | 864 | int r; |
67d668bf | 865 | char *s; |
4ca79f47 | 866 | size_t cnt; |
addb2e16 | 867 | image_header_t *hdr; |
09475f75 | 868 | #if defined(CONFIG_FIT) |
3bab76a2 | 869 | const void *fit_hdr = NULL; |
09475f75 | 870 | #endif |
10e03893 TK |
871 | |
872 | s = strchr(cmd, '.'); | |
873 | if (s != NULL && | |
65d8bc94 | 874 | (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) { |
984e03cd | 875 | printf("Unknown nand load suffix '%s'\n", s); |
770605e4 | 876 | bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX); |
984e03cd SW |
877 | return 1; |
878 | } | |
addb2e16 | 879 | |
856f0544 | 880 | printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); |
addb2e16 | 881 | |
cfa460ad | 882 | cnt = nand->writesize; |
c39d6a0e TR |
883 | r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size, |
884 | (u_char *)addr); | |
addb2e16 | 885 | if (r) { |
856f0544 | 886 | puts("** Read error\n"); |
770605e4 | 887 | bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ); |
addb2e16 BS |
888 | return 1; |
889 | } | |
770605e4 | 890 | bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ); |
addb2e16 | 891 | |
9a4daad0 | 892 | switch (genimg_get_format ((void *)addr)) { |
d5934ad7 MB |
893 | case IMAGE_FORMAT_LEGACY: |
894 | hdr = (image_header_t *)addr; | |
895 | ||
770605e4 | 896 | bootstage_mark(BOOTSTAGE_ID_NAND_TYPE); |
d5934ad7 | 897 | image_print_contents (hdr); |
addb2e16 | 898 | |
d5934ad7 MB |
899 | cnt = image_get_image_size (hdr); |
900 | break; | |
901 | #if defined(CONFIG_FIT) | |
902 | case IMAGE_FORMAT_FIT: | |
09475f75 | 903 | fit_hdr = (const void *)addr; |
09475f75 MB |
904 | puts ("Fit image detected...\n"); |
905 | ||
906 | cnt = fit_get_size (fit_hdr); | |
907 | break; | |
d5934ad7 MB |
908 | #endif |
909 | default: | |
770605e4 | 910 | bootstage_error(BOOTSTAGE_ID_NAND_TYPE); |
d5934ad7 | 911 | puts ("** Unknown image type\n"); |
addb2e16 BS |
912 | return 1; |
913 | } | |
770605e4 | 914 | bootstage_mark(BOOTSTAGE_ID_NAND_TYPE); |
addb2e16 | 915 | |
c39d6a0e TR |
916 | r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size, |
917 | (u_char *)addr); | |
addb2e16 | 918 | if (r) { |
856f0544 | 919 | puts("** Read error\n"); |
770605e4 | 920 | bootstage_error(BOOTSTAGE_ID_NAND_READ); |
addb2e16 BS |
921 | return 1; |
922 | } | |
770605e4 | 923 | bootstage_mark(BOOTSTAGE_ID_NAND_READ); |
addb2e16 | 924 | |
09475f75 MB |
925 | #if defined(CONFIG_FIT) |
926 | /* This cannot be done earlier, we need complete FIT image in RAM first */ | |
3bab76a2 MB |
927 | if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { |
928 | if (!fit_check_format (fit_hdr)) { | |
770605e4 | 929 | bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ); |
3bab76a2 MB |
930 | puts ("** Bad FIT image format\n"); |
931 | return 1; | |
932 | } | |
770605e4 | 933 | bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK); |
3bab76a2 MB |
934 | fit_print_contents (fit_hdr); |
935 | } | |
09475f75 MB |
936 | #endif |
937 | ||
addb2e16 BS |
938 | /* Loading ok, update default load address */ |
939 | ||
940 | load_addr = addr; | |
941 | ||
67d668bf | 942 | return bootm_maybe_autostart(cmdtp, cmd); |
addb2e16 BS |
943 | } |
944 | ||
088f1b19 KP |
945 | static int do_nandboot(cmd_tbl_t *cmdtp, int flag, int argc, |
946 | char * const argv[]) | |
856f0544 SR |
947 | { |
948 | char *boot_device = NULL; | |
949 | int idx; | |
950 | ulong addr, offset = 0; | |
0c8a8491 | 951 | #if defined(CONFIG_CMD_MTDPARTS) |
856f0544 SR |
952 | struct mtd_device *dev; |
953 | struct part_info *part; | |
954 | u8 pnum; | |
955 | ||
956 | if (argc >= 2) { | |
957 | char *p = (argc == 2) ? argv[1] : argv[2]; | |
958 | if (!(str2long(p, &addr)) && (mtdparts_init() == 0) && | |
959 | (find_dev_and_part(p, &dev, &pnum, &part) == 0)) { | |
960 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
961 | puts("Not a NAND device\n"); | |
962 | return 1; | |
963 | } | |
964 | if (argc > 3) | |
965 | goto usage; | |
966 | if (argc == 3) | |
10e03893 | 967 | addr = simple_strtoul(argv[1], NULL, 16); |
856f0544 | 968 | else |
6d0f6bcf | 969 | addr = CONFIG_SYS_LOAD_ADDR; |
856f0544 | 970 | return nand_load_image(cmdtp, &nand_info[dev->id->num], |
4b070809 | 971 | part->offset, addr, argv[0]); |
856f0544 SR |
972 | } |
973 | } | |
974 | #endif | |
975 | ||
770605e4 | 976 | bootstage_mark(BOOTSTAGE_ID_NAND_PART); |
856f0544 SR |
977 | switch (argc) { |
978 | case 1: | |
6d0f6bcf | 979 | addr = CONFIG_SYS_LOAD_ADDR; |
856f0544 SR |
980 | boot_device = getenv("bootdevice"); |
981 | break; | |
982 | case 2: | |
983 | addr = simple_strtoul(argv[1], NULL, 16); | |
984 | boot_device = getenv("bootdevice"); | |
985 | break; | |
986 | case 3: | |
987 | addr = simple_strtoul(argv[1], NULL, 16); | |
988 | boot_device = argv[2]; | |
989 | break; | |
990 | case 4: | |
991 | addr = simple_strtoul(argv[1], NULL, 16); | |
992 | boot_device = argv[2]; | |
993 | offset = simple_strtoul(argv[3], NULL, 16); | |
994 | break; | |
995 | default: | |
0c8a8491 | 996 | #if defined(CONFIG_CMD_MTDPARTS) |
856f0544 SR |
997 | usage: |
998 | #endif | |
770605e4 | 999 | bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX); |
4c12eeb8 | 1000 | return CMD_RET_USAGE; |
856f0544 | 1001 | } |
770605e4 | 1002 | bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX); |
856f0544 SR |
1003 | |
1004 | if (!boot_device) { | |
1005 | puts("\n** No boot device **\n"); | |
770605e4 | 1006 | bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE); |
856f0544 SR |
1007 | return 1; |
1008 | } | |
770605e4 | 1009 | bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE); |
addb2e16 | 1010 | |
856f0544 SR |
1011 | idx = simple_strtoul(boot_device, NULL, 16); |
1012 | ||
6d0f6bcf | 1013 | if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) { |
856f0544 | 1014 | printf("\n** Device %d not available\n", idx); |
770605e4 | 1015 | bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE); |
856f0544 SR |
1016 | return 1; |
1017 | } | |
770605e4 | 1018 | bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE); |
856f0544 SR |
1019 | |
1020 | return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]); | |
1021 | } | |
1022 | ||
1023 | U_BOOT_CMD(nboot, 4, 1, do_nandboot, | |
2fb2604d | 1024 | "boot from NAND device", |
a89c33db WD |
1025 | "[partition] | [[[loadAddr] dev] offset]" |
1026 | ); |