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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 | |
cfdae12f | 51 | datbuf = malloc(nand->writesize); |
9ad754fe WJ |
52 | oobbuf = malloc(nand->oobsize); |
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 | |
ea533c26 | 140 | static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size) |
856f0544 | 141 | { |
ea533c26 | 142 | #ifdef CONFIG_CMD_MTDPARTS |
856f0544 SR |
143 | struct mtd_device *dev; |
144 | struct part_info *part; | |
145 | u8 pnum; | |
ea533c26 | 146 | int ret; |
856f0544 | 147 | |
ea533c26 SW |
148 | ret = mtdparts_init(); |
149 | if (ret) | |
150 | return ret; | |
151 | ||
152 | ret = find_dev_and_part(partname, &dev, &pnum, &part); | |
153 | if (ret) | |
154 | return ret; | |
155 | ||
156 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
157 | puts("not a NAND device\n"); | |
158 | return -1; | |
856f0544 | 159 | } |
ea533c26 SW |
160 | |
161 | *off = part->offset; | |
162 | *size = part->size; | |
163 | *idx = dev->id->num; | |
164 | ||
165 | ret = set_dev(*idx); | |
166 | if (ret) | |
167 | return ret; | |
168 | ||
169 | return 0; | |
170 | #else | |
171 | puts("offset is not a number\n"); | |
172 | return -1; | |
addb2e16 | 173 | #endif |
ea533c26 | 174 | } |
addb2e16 | 175 | |
ea533c26 SW |
176 | static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *maxsize) |
177 | { | |
178 | if (!str2off(arg, off)) | |
179 | return get_part(arg, idx, off, maxsize); | |
180 | ||
181 | if (*off >= nand_info[*idx].size) { | |
182 | puts("Offset exceeds device limit\n"); | |
183 | return -1; | |
184 | } | |
185 | ||
186 | *maxsize = nand_info[*idx].size - *off; | |
187 | return 0; | |
188 | } | |
189 | ||
190 | static int arg_off_size(int argc, char *const argv[], int *idx, | |
191 | loff_t *off, loff_t *size) | |
192 | { | |
193 | int ret; | |
f624dd15 | 194 | loff_t maxsize = 0; |
ea533c26 SW |
195 | |
196 | if (argc == 0) { | |
856f0544 | 197 | *off = 0; |
ea533c26 SW |
198 | *size = nand_info[*idx].size; |
199 | goto print; | |
856f0544 | 200 | } |
addb2e16 | 201 | |
ea533c26 SW |
202 | ret = arg_off(argv[0], idx, off, &maxsize); |
203 | if (ret) | |
204 | return ret; | |
205 | ||
206 | if (argc == 1) { | |
207 | *size = maxsize; | |
208 | goto print; | |
addb2e16 BS |
209 | } |
210 | ||
ea533c26 SW |
211 | if (!str2off(argv[1], size)) { |
212 | printf("'%s' is not a number\n", argv[1]); | |
213 | return -1; | |
214 | } | |
215 | ||
216 | if (*size > maxsize) { | |
217 | puts("Size exceeds partition or device limit\n"); | |
218 | return -1; | |
219 | } | |
220 | ||
221 | print: | |
222 | printf("device %d ", *idx); | |
223 | if (*size == nand_info[*idx].size) | |
856f0544 SR |
224 | puts("whole chip\n"); |
225 | else | |
ea533c26 SW |
226 | printf("offset 0x%llx, size 0x%llx\n", |
227 | (unsigned long long)*off, (unsigned long long)*size); | |
856f0544 | 228 | return 0; |
addb2e16 BS |
229 | } |
230 | ||
50657c27 NM |
231 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
232 | static void print_status(ulong start, ulong end, ulong erasesize, int status) | |
233 | { | |
234 | printf("%08lx - %08lx: %08lx blocks %s%s%s\n", | |
235 | start, | |
236 | end - 1, | |
237 | (end - start) / erasesize, | |
238 | ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), | |
239 | ((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""), | |
240 | ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); | |
241 | } | |
242 | ||
243 | static void do_nand_status(nand_info_t *nand) | |
244 | { | |
245 | ulong block_start = 0; | |
246 | ulong off; | |
247 | int last_status = -1; | |
248 | ||
249 | struct nand_chip *nand_chip = nand->priv; | |
250 | /* check the WP bit */ | |
251 | nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1); | |
252 | printf("device is %swrite protected\n", | |
253 | (nand_chip->read_byte(nand) & 0x80 ? | |
254 | "NOT " : "")); | |
255 | ||
256 | for (off = 0; off < nand->size; off += nand->erasesize) { | |
257 | int s = nand_get_lock_status(nand, off); | |
258 | ||
259 | /* print message only if status has changed */ | |
260 | if (s != last_status && off != 0) { | |
261 | print_status(block_start, off, nand->erasesize, | |
262 | last_status); | |
263 | block_start = off; | |
264 | } | |
265 | last_status = s; | |
266 | } | |
267 | /* Print the last block info */ | |
268 | print_status(block_start, off, nand->erasesize, last_status); | |
269 | } | |
270 | #endif | |
271 | ||
c9f7351b BG |
272 | #ifdef CONFIG_ENV_OFFSET_OOB |
273 | unsigned long nand_env_oob_offset; | |
274 | ||
ea533c26 | 275 | int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[]) |
c9f7351b BG |
276 | { |
277 | int ret; | |
278 | uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)]; | |
ea533c26 | 279 | nand_info_t *nand = &nand_info[0]; |
c9f7351b BG |
280 | char *cmd = argv[1]; |
281 | ||
ea533c26 SW |
282 | if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) { |
283 | puts("no devices available\n"); | |
284 | return 1; | |
285 | } | |
286 | ||
287 | set_dev(0); | |
288 | ||
c9f7351b BG |
289 | if (!strcmp(cmd, "get")) { |
290 | ret = get_nand_env_oob(nand, &nand_env_oob_offset); | |
53504a27 | 291 | if (ret) |
c9f7351b | 292 | return 1; |
53504a27 SW |
293 | |
294 | printf("0x%08lx\n", nand_env_oob_offset); | |
c9f7351b | 295 | } else if (!strcmp(cmd, "set")) { |
ea533c26 SW |
296 | loff_t addr; |
297 | loff_t maxsize; | |
c9f7351b | 298 | struct mtd_oob_ops ops; |
ea533c26 | 299 | int idx = 0; |
c9f7351b BG |
300 | |
301 | if (argc < 3) | |
302 | goto usage; | |
303 | ||
ea533c26 SW |
304 | if (arg_off(argv[2], &idx, &addr, &maxsize)) { |
305 | puts("Offset or partition name expected\n"); | |
306 | return 1; | |
307 | } | |
308 | ||
309 | if (idx != 0) { | |
310 | puts("Partition not on first NAND device\n"); | |
c9f7351b BG |
311 | return 1; |
312 | } | |
313 | ||
314 | if (nand->oobavail < ENV_OFFSET_SIZE) { | |
53504a27 SW |
315 | printf("Insufficient available OOB bytes:\n" |
316 | "%d OOB bytes available but %d required for " | |
317 | "env.oob support\n", | |
318 | nand->oobavail, ENV_OFFSET_SIZE); | |
c9f7351b BG |
319 | return 1; |
320 | } | |
321 | ||
322 | if ((addr & (nand->erasesize - 1)) != 0) { | |
323 | printf("Environment offset must be block-aligned\n"); | |
324 | return 1; | |
325 | } | |
326 | ||
327 | ops.datbuf = NULL; | |
328 | ops.mode = MTD_OOB_AUTO; | |
329 | ops.ooboffs = 0; | |
330 | ops.ooblen = ENV_OFFSET_SIZE; | |
331 | ops.oobbuf = (void *) oob_buf; | |
332 | ||
333 | oob_buf[0] = ENV_OOB_MARKER; | |
334 | oob_buf[1] = addr / nand->erasesize; | |
335 | ||
336 | ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops); | |
53504a27 | 337 | if (ret) { |
c9f7351b BG |
338 | printf("Error writing OOB block 0\n"); |
339 | return ret; | |
340 | } | |
53504a27 SW |
341 | |
342 | ret = get_nand_env_oob(nand, &nand_env_oob_offset); | |
343 | if (ret) { | |
344 | printf("Error reading env offset in OOB\n"); | |
345 | return ret; | |
346 | } | |
347 | ||
348 | if (addr != nand_env_oob_offset) { | |
349 | printf("Verification of env offset in OOB failed: " | |
ea533c26 SW |
350 | "0x%08llx expected but got 0x%08lx\n", |
351 | (unsigned long long)addr, nand_env_oob_offset); | |
53504a27 SW |
352 | return 1; |
353 | } | |
c9f7351b BG |
354 | } else { |
355 | goto usage; | |
356 | } | |
357 | ||
358 | return ret; | |
359 | ||
360 | usage: | |
4c12eeb8 | 361 | return CMD_RET_USAGE; |
c9f7351b BG |
362 | } |
363 | ||
364 | #endif | |
365 | ||
ce80ddc1 | 366 | static void nand_print_and_set_info(int idx) |
672ed2ae WG |
367 | { |
368 | nand_info_t *nand = &nand_info[idx]; | |
369 | struct nand_chip *chip = nand->priv; | |
ce80ddc1 MV |
370 | const int bufsz = 32; |
371 | char buf[bufsz]; | |
372 | ||
672ed2ae WG |
373 | printf("Device %d: ", idx); |
374 | if (chip->numchips > 1) | |
375 | printf("%dx ", chip->numchips); | |
376 | printf("%s, sector size %u KiB\n", | |
377 | nand->name, nand->erasesize >> 10); | |
ce80ddc1 MV |
378 | printf(" Page size %8d b\n", nand->writesize); |
379 | printf(" OOB size %8d b\n", nand->oobsize); | |
380 | printf(" Erase size %8d b\n", nand->erasesize); | |
381 | ||
382 | /* Set geometry info */ | |
383 | sprintf(buf, "%x", nand->writesize); | |
384 | setenv("nand_writesize", buf); | |
385 | ||
386 | sprintf(buf, "%x", nand->oobsize); | |
387 | setenv("nand_oobsize", buf); | |
388 | ||
389 | sprintf(buf, "%x", nand->erasesize); | |
390 | setenv("nand_erasesize", buf); | |
672ed2ae WG |
391 | } |
392 | ||
418396e2 SW |
393 | static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count, |
394 | int read) | |
395 | { | |
396 | int ret = 0; | |
418396e2 SW |
397 | |
398 | while (count--) { | |
399 | /* Raw access */ | |
400 | mtd_oob_ops_t ops = { | |
401 | .datbuf = (u8 *)addr, | |
402 | .oobbuf = ((u8 *)addr) + nand->writesize, | |
403 | .len = nand->writesize, | |
404 | .ooblen = nand->oobsize, | |
405 | .mode = MTD_OOB_RAW | |
406 | }; | |
407 | ||
418396e2 SW |
408 | if (read) |
409 | ret = nand->read_oob(nand, off, &ops); | |
410 | else | |
411 | ret = nand->write_oob(nand, off, &ops); | |
412 | ||
413 | if (ret) { | |
414 | printf("%s: error at offset %llx, ret %d\n", | |
415 | __func__, (long long)off, ret); | |
416 | break; | |
417 | } | |
418 | ||
419 | addr += nand->writesize + nand->oobsize; | |
420 | off += nand->writesize; | |
421 | } | |
422 | ||
423 | return ret; | |
424 | } | |
425 | ||
54841ab5 | 426 | int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) |
addb2e16 | 427 | { |
ea533c26 SW |
428 | int i, ret = 0; |
429 | ulong addr; | |
430 | loff_t off, size; | |
addb2e16 BS |
431 | char *cmd, *s; |
432 | nand_info_t *nand; | |
6d0f6bcf JCPV |
433 | #ifdef CONFIG_SYS_NAND_QUIET |
434 | int quiet = CONFIG_SYS_NAND_QUIET; | |
c750d2e6 | 435 | #else |
2255b2d2 | 436 | int quiet = 0; |
c750d2e6 | 437 | #endif |
2255b2d2 | 438 | const char *quiet_str = getenv("quiet"); |
ea533c26 | 439 | int dev = nand_curr_device; |
8c5659a6 | 440 | int repeat = flag & CMD_FLAG_REPEAT; |
addb2e16 BS |
441 | |
442 | /* at least two arguments please */ | |
443 | if (argc < 2) | |
444 | goto usage; | |
445 | ||
2255b2d2 SR |
446 | if (quiet_str) |
447 | quiet = simple_strtoul(quiet_str, NULL, 0) != 0; | |
448 | ||
addb2e16 BS |
449 | cmd = argv[1]; |
450 | ||
8c5659a6 SW |
451 | /* Only "dump" is repeatable. */ |
452 | if (repeat && strcmp(cmd, "dump")) | |
453 | return 0; | |
454 | ||
addb2e16 BS |
455 | if (strcmp(cmd, "info") == 0) { |
456 | ||
457 | putc('\n'); | |
6d0f6bcf | 458 | for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { |
addb2e16 | 459 | if (nand_info[i].name) |
ce80ddc1 | 460 | nand_print_and_set_info(i); |
addb2e16 BS |
461 | } |
462 | return 0; | |
463 | } | |
464 | ||
465 | if (strcmp(cmd, "device") == 0) { | |
addb2e16 | 466 | if (argc < 3) { |
672ed2ae | 467 | putc('\n'); |
ea533c26 | 468 | if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE) |
672ed2ae | 469 | puts("no devices available\n"); |
addb2e16 | 470 | else |
ce80ddc1 | 471 | nand_print_and_set_info(dev); |
addb2e16 BS |
472 | return 0; |
473 | } | |
43a2b0e7 | 474 | |
ea533c26 SW |
475 | dev = (int)simple_strtoul(argv[2], NULL, 10); |
476 | set_dev(dev); | |
43a2b0e7 | 477 | |
addb2e16 BS |
478 | return 0; |
479 | } | |
480 | ||
c9f7351b BG |
481 | #ifdef CONFIG_ENV_OFFSET_OOB |
482 | /* this command operates only on the first nand device */ | |
ea533c26 SW |
483 | if (strcmp(cmd, "env.oob") == 0) |
484 | return do_nand_env_oob(cmdtp, argc - 1, argv + 1); | |
c9f7351b BG |
485 | #endif |
486 | ||
ea533c26 SW |
487 | /* The following commands operate on the current device, unless |
488 | * overridden by a partition specifier. Note that if somehow the | |
489 | * current device is invalid, it will have to be changed to a valid | |
490 | * one before these commands can run, even if a partition specifier | |
491 | * for another device is to be used. | |
492 | */ | |
493 | if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || | |
494 | !nand_info[dev].name) { | |
addb2e16 BS |
495 | puts("\nno devices available\n"); |
496 | return 1; | |
497 | } | |
ea533c26 | 498 | nand = &nand_info[dev]; |
addb2e16 BS |
499 | |
500 | if (strcmp(cmd, "bad") == 0) { | |
ea533c26 | 501 | printf("\nDevice %d bad blocks:\n", dev); |
addb2e16 BS |
502 | for (off = 0; off < nand->size; off += nand->erasesize) |
503 | if (nand_block_isbad(nand, off)) | |
ea533c26 | 504 | printf(" %08llx\n", (unsigned long long)off); |
addb2e16 BS |
505 | return 0; |
506 | } | |
507 | ||
856f0544 SR |
508 | /* |
509 | * Syntax is: | |
510 | * 0 1 2 3 4 | |
511 | * nand erase [clean] [off size] | |
512 | */ | |
30486322 | 513 | if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) { |
2255b2d2 | 514 | nand_erase_options_t opts; |
856f0544 | 515 | /* "clean" at index 2 means request to write cleanmarker */ |
3043c045 | 516 | int clean = argc > 2 && !strcmp("clean", argv[2]); |
60899816 MV |
517 | int scrub_yes = argc > 2 && !strcmp("-y", argv[2]); |
518 | int o = (clean || scrub_yes) ? 3 : 2; | |
30486322 | 519 | int scrub = !strncmp(cmd, "scrub", 5); |
30486322 SW |
520 | int spread = 0; |
521 | int args = 2; | |
60899816 MV |
522 | const char *scrub_warn = |
523 | "Warning: " | |
524 | "scrub option will erase all factory set bad blocks!\n" | |
525 | " " | |
526 | "There is no reliable way to recover them.\n" | |
527 | " " | |
528 | "Use this command only for testing purposes if you\n" | |
529 | " " | |
530 | "are sure of what you are doing!\n" | |
531 | "\nReally scrub this NAND flash? <y/N>\n"; | |
30486322 SW |
532 | |
533 | if (cmd[5] != 0) { | |
534 | if (!strcmp(&cmd[5], ".spread")) { | |
535 | spread = 1; | |
536 | } else if (!strcmp(&cmd[5], ".part")) { | |
30486322 SW |
537 | args = 1; |
538 | } else if (!strcmp(&cmd[5], ".chip")) { | |
30486322 SW |
539 | args = 0; |
540 | } else { | |
541 | goto usage; | |
542 | } | |
543 | } | |
544 | ||
545 | /* | |
546 | * Don't allow missing arguments to cause full chip/partition | |
547 | * erases -- easy to do accidentally, e.g. with a misspelled | |
548 | * variable name. | |
549 | */ | |
550 | if (argc != o + args) | |
551 | goto usage; | |
2255b2d2 | 552 | |
30486322 | 553 | printf("\nNAND %s: ", cmd); |
856f0544 | 554 | /* skip first two or three arguments, look for offset and size */ |
ea533c26 | 555 | if (arg_off_size(argc - o, argv + o, &dev, &off, &size) != 0) |
856f0544 | 556 | return 1; |
2255b2d2 | 557 | |
ea533c26 SW |
558 | nand = &nand_info[dev]; |
559 | ||
2255b2d2 SR |
560 | memset(&opts, 0, sizeof(opts)); |
561 | opts.offset = off; | |
562 | opts.length = size; | |
563 | opts.jffs2 = clean; | |
564 | opts.quiet = quiet; | |
30486322 | 565 | opts.spread = spread; |
2255b2d2 SR |
566 | |
567 | if (scrub) { | |
60899816 MV |
568 | if (!scrub_yes) |
569 | puts(scrub_warn); | |
570 | ||
571 | if (scrub_yes) | |
572 | opts.scrub = 1; | |
573 | else if (getc() == 'y') { | |
6b94b496 FF |
574 | puts("y"); |
575 | if (getc() == '\r') | |
576 | opts.scrub = 1; | |
577 | else { | |
578 | puts("scrub aborted\n"); | |
579 | return -1; | |
580 | } | |
2255b2d2 | 581 | } else { |
856f0544 | 582 | puts("scrub aborted\n"); |
2255b2d2 SR |
583 | return -1; |
584 | } | |
585 | } | |
586 | ret = nand_erase_opts(nand, &opts); | |
addb2e16 BS |
587 | printf("%s\n", ret ? "ERROR" : "OK"); |
588 | ||
589 | return ret == 0 ? 0 : 1; | |
590 | } | |
591 | ||
592 | if (strncmp(cmd, "dump", 4) == 0) { | |
593 | if (argc < 3) | |
594 | goto usage; | |
595 | ||
addb2e16 | 596 | off = (int)simple_strtoul(argv[2], NULL, 16); |
8c5659a6 | 597 | ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat); |
addb2e16 BS |
598 | |
599 | return ret == 0 ? 1 : 0; | |
addb2e16 BS |
600 | } |
601 | ||
addb2e16 | 602 | if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { |
ea533c26 | 603 | size_t rwsize; |
418396e2 | 604 | ulong pagecount = 1; |
2255b2d2 | 605 | int read; |
418396e2 | 606 | int raw; |
2255b2d2 | 607 | |
addb2e16 BS |
608 | if (argc < 4) |
609 | goto usage; | |
2255b2d2 | 610 | |
addb2e16 BS |
611 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); |
612 | ||
2255b2d2 | 613 | read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ |
856f0544 | 614 | printf("\nNAND %s: ", read ? "read" : "write"); |
4cbb651b | 615 | |
ea533c26 | 616 | nand = &nand_info[dev]; |
ea533c26 | 617 | |
2255b2d2 | 618 | s = strchr(cmd, '.'); |
418396e2 | 619 | |
8d75c896 | 620 | if (s && !strcmp(s, ".raw")) { |
418396e2 SW |
621 | raw = 1; |
622 | ||
623 | if (arg_off(argv[3], &dev, &off, &size)) | |
624 | return 1; | |
625 | ||
626 | if (argc > 4 && !str2long(argv[4], &pagecount)) { | |
627 | printf("'%s' is not a number\n", argv[4]); | |
628 | return 1; | |
629 | } | |
630 | ||
631 | if (pagecount * nand->writesize > size) { | |
632 | puts("Size exceeds partition or device limit\n"); | |
633 | return -1; | |
634 | } | |
635 | ||
636 | rwsize = pagecount * (nand->writesize + nand->oobsize); | |
637 | } else { | |
638 | if (arg_off_size(argc - 3, argv + 3, &dev, | |
639 | &off, &size) != 0) | |
640 | return 1; | |
641 | ||
642 | rwsize = size; | |
643 | } | |
644 | ||
984e03cd SW |
645 | if (!s || !strcmp(s, ".jffs2") || |
646 | !strcmp(s, ".e") || !strcmp(s, ".i")) { | |
dfbf617f | 647 | if (read) |
ea533c26 | 648 | ret = nand_read_skip_bad(nand, off, &rwsize, |
4b070809 | 649 | (u_char *)addr); |
dfbf617f | 650 | else |
ea533c26 | 651 | ret = nand_write_skip_bad(nand, off, &rwsize, |
47fc18f1 | 652 | (u_char *)addr, 0); |
c9494866 BG |
653 | #ifdef CONFIG_CMD_NAND_TRIMFFS |
654 | } else if (!strcmp(s, ".trimffs")) { | |
655 | if (read) { | |
656 | printf("Unknown nand command suffix '%s'\n", s); | |
657 | return 1; | |
658 | } | |
659 | ret = nand_write_skip_bad(nand, off, &rwsize, | |
660 | (u_char *)addr, | |
661 | WITH_DROP_FFS); | |
662 | #endif | |
47fc18f1 LW |
663 | #ifdef CONFIG_CMD_NAND_YAFFS |
664 | } else if (!strcmp(s, ".yaffs")) { | |
665 | if (read) { | |
666 | printf("Unknown nand command suffix '%s'.\n", s); | |
667 | return 1; | |
668 | } | |
a6c9aa1f | 669 | ret = nand_write_skip_bad(nand, off, &rwsize, |
418396e2 SW |
670 | (u_char *)addr, |
671 | WITH_INLINE_OOB); | |
47fc18f1 | 672 | #endif |
dfc99e14 | 673 | } else if (!strcmp(s, ".oob")) { |
cfa460ad WJ |
674 | /* out-of-band data */ |
675 | mtd_oob_ops_t ops = { | |
676 | .oobbuf = (u8 *)addr, | |
ea533c26 | 677 | .ooblen = rwsize, |
cfa460ad WJ |
678 | .mode = MTD_OOB_RAW |
679 | }; | |
680 | ||
fb3659ac MV |
681 | if (read) |
682 | ret = nand->read_oob(nand, off, &ops); | |
683 | else | |
684 | ret = nand->write_oob(nand, off, &ops); | |
418396e2 SW |
685 | } else if (raw) { |
686 | ret = raw_access(nand, addr, off, pagecount, read); | |
856f0544 | 687 | } else { |
984e03cd SW |
688 | printf("Unknown nand command suffix '%s'.\n", s); |
689 | return 1; | |
2255b2d2 SR |
690 | } |
691 | ||
ea533c26 | 692 | printf(" %zu bytes %s: %s\n", rwsize, |
2255b2d2 | 693 | read ? "read" : "written", ret ? "ERROR" : "OK"); |
addb2e16 BS |
694 | |
695 | return ret == 0 ? 0 : 1; | |
696 | } | |
2255b2d2 | 697 | |
2255b2d2 | 698 | if (strcmp(cmd, "markbad") == 0) { |
8360b66b WD |
699 | argc -= 2; |
700 | argv += 2; | |
2255b2d2 | 701 | |
8360b66b WD |
702 | if (argc <= 0) |
703 | goto usage; | |
704 | ||
705 | while (argc > 0) { | |
706 | addr = simple_strtoul(*argv, NULL, 16); | |
707 | ||
708 | if (nand->block_markbad(nand, addr)) { | |
709 | printf("block 0x%08lx NOT marked " | |
710 | "as bad! ERROR %d\n", | |
711 | addr, ret); | |
712 | ret = 1; | |
713 | } else { | |
714 | printf("block 0x%08lx successfully " | |
715 | "marked as bad\n", | |
716 | addr); | |
717 | } | |
718 | --argc; | |
719 | ++argv; | |
2255b2d2 | 720 | } |
8360b66b | 721 | return ret; |
2255b2d2 | 722 | } |
dfbf617f | 723 | |
2255b2d2 SR |
724 | if (strcmp(cmd, "biterr") == 0) { |
725 | /* todo */ | |
726 | return 1; | |
727 | } | |
728 | ||
50657c27 | 729 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
2255b2d2 | 730 | if (strcmp(cmd, "lock") == 0) { |
50657c27 | 731 | int tight = 0; |
2255b2d2 SR |
732 | int status = 0; |
733 | if (argc == 3) { | |
734 | if (!strcmp("tight", argv[2])) | |
735 | tight = 1; | |
736 | if (!strcmp("status", argv[2])) | |
737 | status = 1; | |
738 | } | |
2255b2d2 | 739 | if (status) { |
50657c27 | 740 | do_nand_status(nand); |
cfa460ad | 741 | } else { |
5e1dae5c WJ |
742 | if (!nand_lock(nand, tight)) { |
743 | puts("NAND flash successfully locked\n"); | |
744 | } else { | |
745 | puts("Error locking NAND flash\n"); | |
746 | return 1; | |
747 | } | |
2255b2d2 SR |
748 | } |
749 | return 0; | |
750 | } | |
751 | ||
eee623a5 JH |
752 | if (strncmp(cmd, "unlock", 5) == 0) { |
753 | int allexcept = 0; | |
754 | ||
755 | s = strchr(cmd, '.'); | |
756 | ||
757 | if (s && !strcmp(s, ".allexcept")) | |
758 | allexcept = 1; | |
759 | ||
16e00992 | 760 | if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size) < 0) |
856f0544 | 761 | return 1; |
2255b2d2 | 762 | |
eee623a5 | 763 | if (!nand_unlock(&nand_info[dev], off, size, allexcept)) { |
5e1dae5c WJ |
764 | puts("NAND flash successfully unlocked\n"); |
765 | } else { | |
766 | puts("Error unlocking NAND flash, " | |
3043c045 | 767 | "write and erase will probably fail\n"); |
5e1dae5c WJ |
768 | return 1; |
769 | } | |
2255b2d2 SR |
770 | return 0; |
771 | } | |
50657c27 | 772 | #endif |
2255b2d2 | 773 | |
addb2e16 | 774 | usage: |
4c12eeb8 | 775 | return CMD_RET_USAGE; |
addb2e16 BS |
776 | } |
777 | ||
388a29d0 FM |
778 | U_BOOT_CMD( |
779 | nand, CONFIG_SYS_MAXARGS, 1, do_nand, | |
a89c33db WD |
780 | "NAND sub-system", |
781 | "info - show available NAND devices\n" | |
782 | "nand device [dev] - show or set current device\n" | |
783 | "nand read - addr off|partition size\n" | |
784 | "nand write - addr off|partition size\n" | |
785 | " read/write 'size' bytes starting at offset 'off'\n" | |
786 | " to/from memory address 'addr', skipping bad blocks.\n" | |
418396e2 SW |
787 | "nand read.raw - addr off|partition [count]\n" |
788 | "nand write.raw - addr off|partition [count]\n" | |
789 | " Use read.raw/write.raw to avoid ECC and access the flash as-is.\n" | |
c9494866 BG |
790 | #ifdef CONFIG_CMD_NAND_TRIMFFS |
791 | "nand write.trimffs - addr off|partition size\n" | |
792 | " write 'size' bytes starting at offset 'off' from memory address\n" | |
793 | " 'addr', skipping bad blocks and dropping any pages at the end\n" | |
794 | " of eraseblocks that contain only 0xFF\n" | |
795 | #endif | |
47fc18f1 LW |
796 | #ifdef CONFIG_CMD_NAND_YAFFS |
797 | "nand write.yaffs - addr off|partition size\n" | |
798 | " write 'size' bytes starting at offset 'off' with yaffs format\n" | |
799 | " from memory address 'addr', skipping bad blocks.\n" | |
800 | #endif | |
eb3abce8 | 801 | "nand erase[.spread] [clean] off size - erase 'size' bytes " |
30486322 SW |
802 | "from offset 'off'\n" |
803 | " With '.spread', erase enough for given file size, otherwise,\n" | |
804 | " 'size' includes skipped bad blocks.\n" | |
805 | "nand erase.part [clean] partition - erase entire mtd partition'\n" | |
806 | "nand erase.chip [clean] - erase entire chip'\n" | |
a89c33db WD |
807 | "nand bad - show bad blocks\n" |
808 | "nand dump[.oob] off - dump page\n" | |
60899816 | 809 | "nand scrub [-y] off size | scrub.part partition | scrub.chip\n" |
30486322 | 810 | " really clean NAND erasing bad blocks (UNSAFE)\n" |
a89c33db WD |
811 | "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n" |
812 | "nand biterr off - make a bit error at offset (UNSAFE)" | |
50657c27 | 813 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK |
a89c33db WD |
814 | "\n" |
815 | "nand lock [tight] [status]\n" | |
816 | " bring nand to lock state or display locked pages\n" | |
eee623a5 | 817 | "nand unlock[.allexcept] [offset] [size] - unlock section" |
50657c27 | 818 | #endif |
c9f7351b BG |
819 | #ifdef CONFIG_ENV_OFFSET_OOB |
820 | "\n" | |
821 | "nand env.oob - environment offset in OOB of block 0 of" | |
822 | " first device.\n" | |
823 | "nand env.oob set off|partition - set enviromnent offset\n" | |
824 | "nand env.oob get - get environment offset" | |
825 | #endif | |
50657c27 | 826 | ); |
addb2e16 | 827 | |
856f0544 | 828 | static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, |
4b070809 | 829 | ulong offset, ulong addr, char *cmd) |
addb2e16 | 830 | { |
addb2e16 | 831 | int r; |
67d668bf | 832 | char *s; |
4ca79f47 | 833 | size_t cnt; |
addb2e16 | 834 | image_header_t *hdr; |
09475f75 | 835 | #if defined(CONFIG_FIT) |
3bab76a2 | 836 | const void *fit_hdr = NULL; |
09475f75 | 837 | #endif |
10e03893 TK |
838 | |
839 | s = strchr(cmd, '.'); | |
840 | if (s != NULL && | |
65d8bc94 | 841 | (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) { |
984e03cd | 842 | printf("Unknown nand load suffix '%s'\n", s); |
770605e4 | 843 | bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX); |
984e03cd SW |
844 | return 1; |
845 | } | |
addb2e16 | 846 | |
856f0544 | 847 | printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); |
addb2e16 | 848 | |
cfa460ad | 849 | cnt = nand->writesize; |
09875055 | 850 | r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr); |
addb2e16 | 851 | if (r) { |
856f0544 | 852 | puts("** Read error\n"); |
770605e4 | 853 | bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ); |
addb2e16 BS |
854 | return 1; |
855 | } | |
770605e4 | 856 | bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ); |
addb2e16 | 857 | |
9a4daad0 | 858 | switch (genimg_get_format ((void *)addr)) { |
d5934ad7 MB |
859 | case IMAGE_FORMAT_LEGACY: |
860 | hdr = (image_header_t *)addr; | |
861 | ||
770605e4 | 862 | bootstage_mark(BOOTSTAGE_ID_NAND_TYPE); |
d5934ad7 | 863 | image_print_contents (hdr); |
addb2e16 | 864 | |
d5934ad7 MB |
865 | cnt = image_get_image_size (hdr); |
866 | break; | |
867 | #if defined(CONFIG_FIT) | |
868 | case IMAGE_FORMAT_FIT: | |
09475f75 | 869 | fit_hdr = (const void *)addr; |
09475f75 MB |
870 | puts ("Fit image detected...\n"); |
871 | ||
872 | cnt = fit_get_size (fit_hdr); | |
873 | break; | |
d5934ad7 MB |
874 | #endif |
875 | default: | |
770605e4 | 876 | bootstage_error(BOOTSTAGE_ID_NAND_TYPE); |
d5934ad7 | 877 | puts ("** Unknown image type\n"); |
addb2e16 BS |
878 | return 1; |
879 | } | |
770605e4 | 880 | bootstage_mark(BOOTSTAGE_ID_NAND_TYPE); |
addb2e16 | 881 | |
09875055 | 882 | r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr); |
addb2e16 | 883 | if (r) { |
856f0544 | 884 | puts("** Read error\n"); |
770605e4 | 885 | bootstage_error(BOOTSTAGE_ID_NAND_READ); |
addb2e16 BS |
886 | return 1; |
887 | } | |
770605e4 | 888 | bootstage_mark(BOOTSTAGE_ID_NAND_READ); |
addb2e16 | 889 | |
09475f75 MB |
890 | #if defined(CONFIG_FIT) |
891 | /* This cannot be done earlier, we need complete FIT image in RAM first */ | |
3bab76a2 MB |
892 | if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { |
893 | if (!fit_check_format (fit_hdr)) { | |
770605e4 | 894 | bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ); |
3bab76a2 MB |
895 | puts ("** Bad FIT image format\n"); |
896 | return 1; | |
897 | } | |
770605e4 | 898 | bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK); |
3bab76a2 MB |
899 | fit_print_contents (fit_hdr); |
900 | } | |
09475f75 MB |
901 | #endif |
902 | ||
addb2e16 BS |
903 | /* Loading ok, update default load address */ |
904 | ||
905 | load_addr = addr; | |
906 | ||
67d668bf | 907 | return bootm_maybe_autostart(cmdtp, cmd); |
addb2e16 BS |
908 | } |
909 | ||
54841ab5 | 910 | int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) |
856f0544 SR |
911 | { |
912 | char *boot_device = NULL; | |
913 | int idx; | |
914 | ulong addr, offset = 0; | |
0c8a8491 | 915 | #if defined(CONFIG_CMD_MTDPARTS) |
856f0544 SR |
916 | struct mtd_device *dev; |
917 | struct part_info *part; | |
918 | u8 pnum; | |
919 | ||
920 | if (argc >= 2) { | |
921 | char *p = (argc == 2) ? argv[1] : argv[2]; | |
922 | if (!(str2long(p, &addr)) && (mtdparts_init() == 0) && | |
923 | (find_dev_and_part(p, &dev, &pnum, &part) == 0)) { | |
924 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
925 | puts("Not a NAND device\n"); | |
926 | return 1; | |
927 | } | |
928 | if (argc > 3) | |
929 | goto usage; | |
930 | if (argc == 3) | |
10e03893 | 931 | addr = simple_strtoul(argv[1], NULL, 16); |
856f0544 | 932 | else |
6d0f6bcf | 933 | addr = CONFIG_SYS_LOAD_ADDR; |
856f0544 | 934 | return nand_load_image(cmdtp, &nand_info[dev->id->num], |
4b070809 | 935 | part->offset, addr, argv[0]); |
856f0544 SR |
936 | } |
937 | } | |
938 | #endif | |
939 | ||
770605e4 | 940 | bootstage_mark(BOOTSTAGE_ID_NAND_PART); |
856f0544 SR |
941 | switch (argc) { |
942 | case 1: | |
6d0f6bcf | 943 | addr = CONFIG_SYS_LOAD_ADDR; |
856f0544 SR |
944 | boot_device = getenv("bootdevice"); |
945 | break; | |
946 | case 2: | |
947 | addr = simple_strtoul(argv[1], NULL, 16); | |
948 | boot_device = getenv("bootdevice"); | |
949 | break; | |
950 | case 3: | |
951 | addr = simple_strtoul(argv[1], NULL, 16); | |
952 | boot_device = argv[2]; | |
953 | break; | |
954 | case 4: | |
955 | addr = simple_strtoul(argv[1], NULL, 16); | |
956 | boot_device = argv[2]; | |
957 | offset = simple_strtoul(argv[3], NULL, 16); | |
958 | break; | |
959 | default: | |
0c8a8491 | 960 | #if defined(CONFIG_CMD_MTDPARTS) |
856f0544 SR |
961 | usage: |
962 | #endif | |
770605e4 | 963 | bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX); |
4c12eeb8 | 964 | return CMD_RET_USAGE; |
856f0544 | 965 | } |
770605e4 | 966 | bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX); |
856f0544 SR |
967 | |
968 | if (!boot_device) { | |
969 | puts("\n** No boot device **\n"); | |
770605e4 | 970 | bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE); |
856f0544 SR |
971 | return 1; |
972 | } | |
770605e4 | 973 | bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE); |
addb2e16 | 974 | |
856f0544 SR |
975 | idx = simple_strtoul(boot_device, NULL, 16); |
976 | ||
6d0f6bcf | 977 | if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) { |
856f0544 | 978 | printf("\n** Device %d not available\n", idx); |
770605e4 | 979 | bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE); |
856f0544 SR |
980 | return 1; |
981 | } | |
770605e4 | 982 | bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE); |
856f0544 SR |
983 | |
984 | return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]); | |
985 | } | |
986 | ||
987 | U_BOOT_CMD(nboot, 4, 1, do_nandboot, | |
2fb2604d | 988 | "boot from NAND device", |
a89c33db WD |
989 | "[partition] | [[[loadAddr] dev] offset]" |
990 | ); |