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Commit | Line | Data |
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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> | |
6 | * | |
7 | * Added 16-bit nand support | |
8 | * (C) 2004 Texas Instruments | |
9 | */ | |
10 | ||
11 | #include <common.h> | |
12 | ||
13 | ||
14 | #ifndef CONFIG_NAND_LEGACY | |
15 | /* | |
16 | * | |
17 | * New NAND support | |
18 | * | |
19 | */ | |
20 | #include <common.h> | |
21 | #include <linux/mtd/mtd.h> | |
22 | ||
23 | #if defined(CONFIG_CMD_NAND) | |
24 | ||
25 | #include <command.h> | |
26 | #include <watchdog.h> | |
27 | #include <malloc.h> | |
28 | #include <asm/byteorder.h> | |
29 | #include <jffs2/jffs2.h> | |
30 | #include <nand.h> | |
31 | ||
32 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
33 | ||
34 | /* parition handling routines */ | |
35 | int mtdparts_init(void); | |
36 | int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); | |
37 | int find_dev_and_part(const char *id, struct mtd_device **dev, | |
38 | u8 *part_num, struct part_info **part); | |
39 | #endif | |
40 | ||
41 | static int nand_dump(nand_info_t *nand, ulong off, int only_oob) | |
42 | { | |
43 | int i; | |
44 | u_char *datbuf, *oobbuf, *p; | |
45 | ||
46 | datbuf = malloc(nand->writesize + nand->oobsize); | |
47 | oobbuf = malloc(nand->oobsize); | |
48 | if (!datbuf || !oobbuf) { | |
49 | puts("No memory for page buffer\n"); | |
50 | return 1; | |
51 | } | |
52 | off &= ~(nand->writesize - 1); | |
53 | loff_t addr = (loff_t) off; | |
54 | struct mtd_oob_ops ops; | |
55 | memset(&ops, 0, sizeof(ops)); | |
56 | ops.datbuf = datbuf; | |
57 | ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */ | |
58 | ops.len = nand->writesize; | |
59 | ops.ooblen = nand->oobsize; | |
60 | ops.mode = MTD_OOB_RAW; | |
61 | i = nand->read_oob(nand, addr, &ops); | |
62 | if (i < 0) { | |
63 | printf("Error (%d) reading page %08lx\n", i, off); | |
64 | free(datbuf); | |
65 | free(oobbuf); | |
66 | return 1; | |
67 | } | |
68 | printf("Page %08lx dump:\n", off); | |
69 | i = nand->writesize >> 4; | |
70 | p = datbuf; | |
71 | ||
72 | while (i--) { | |
73 | if (!only_oob) | |
74 | printf("\t%02x %02x %02x %02x %02x %02x %02x %02x" | |
75 | " %02x %02x %02x %02x %02x %02x %02x %02x\n", | |
76 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], | |
77 | p[8], p[9], p[10], p[11], p[12], p[13], p[14], | |
78 | p[15]); | |
79 | p += 16; | |
80 | } | |
81 | puts("OOB:\n"); | |
82 | i = nand->oobsize >> 3; | |
83 | while (i--) { | |
84 | printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
85 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); | |
86 | p += 8; | |
87 | } | |
88 | free(datbuf); | |
89 | free(oobbuf); | |
90 | ||
91 | return 0; | |
92 | } | |
93 | ||
94 | /* ------------------------------------------------------------------------- */ | |
95 | ||
96 | static inline int str2long(char *p, ulong *num) | |
97 | { | |
98 | char *endptr; | |
99 | ||
100 | *num = simple_strtoul(p, &endptr, 16); | |
101 | return (*p != '\0' && *endptr == '\0') ? 1 : 0; | |
102 | } | |
103 | ||
104 | static int | |
105 | arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, size_t *size) | |
106 | { | |
107 | int idx = nand_curr_device; | |
108 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
109 | struct mtd_device *dev; | |
110 | struct part_info *part; | |
111 | u8 pnum; | |
112 | ||
113 | if (argc >= 1 && !(str2long(argv[0], off))) { | |
114 | if ((mtdparts_init() == 0) && | |
115 | (find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) { | |
116 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
117 | puts("not a NAND device\n"); | |
118 | return -1; | |
119 | } | |
120 | *off = part->offset; | |
121 | if (argc >= 2) { | |
122 | if (!(str2long(argv[1], (ulong *)size))) { | |
123 | printf("'%s' is not a number\n", argv[1]); | |
124 | return -1; | |
125 | } | |
126 | if (*size > part->size) | |
127 | *size = part->size; | |
128 | } else { | |
129 | *size = part->size; | |
130 | } | |
131 | idx = dev->id->num; | |
132 | *nand = nand_info[idx]; | |
133 | goto out; | |
134 | } | |
135 | } | |
136 | #endif | |
137 | ||
138 | if (argc >= 1) { | |
139 | if (!(str2long(argv[0], off))) { | |
140 | printf("'%s' is not a number\n", argv[0]); | |
141 | return -1; | |
142 | } | |
143 | } else { | |
144 | *off = 0; | |
145 | } | |
146 | ||
147 | if (argc >= 2) { | |
148 | if (!(str2long(argv[1], (ulong *)size))) { | |
149 | printf("'%s' is not a number\n", argv[1]); | |
150 | return -1; | |
151 | } | |
152 | } else { | |
153 | *size = nand->size - *off; | |
154 | } | |
155 | ||
156 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
157 | out: | |
158 | #endif | |
159 | printf("device %d ", idx); | |
160 | if (*size == nand->size) | |
161 | puts("whole chip\n"); | |
162 | else | |
163 | printf("offset 0x%lx, size 0x%x\n", *off, *size); | |
164 | return 0; | |
165 | } | |
166 | ||
167 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK | |
168 | static void print_status(ulong start, ulong end, ulong erasesize, int status) | |
169 | { | |
170 | printf("%08lx - %08lx: %08lx blocks %s%s%s\n", | |
171 | start, | |
172 | end - 1, | |
173 | (end - start) / erasesize, | |
174 | ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), | |
175 | ((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""), | |
176 | ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); | |
177 | } | |
178 | ||
179 | static void do_nand_status(nand_info_t *nand) | |
180 | { | |
181 | ulong block_start = 0; | |
182 | ulong off; | |
183 | int last_status = -1; | |
184 | ||
185 | struct nand_chip *nand_chip = nand->priv; | |
186 | /* check the WP bit */ | |
187 | nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1); | |
188 | printf("device is %swrite protected\n", | |
189 | (nand_chip->read_byte(nand) & 0x80 ? | |
190 | "NOT " : "")); | |
191 | ||
192 | for (off = 0; off < nand->size; off += nand->erasesize) { | |
193 | int s = nand_get_lock_status(nand, off); | |
194 | ||
195 | /* print message only if status has changed */ | |
196 | if (s != last_status && off != 0) { | |
197 | print_status(block_start, off, nand->erasesize, | |
198 | last_status); | |
199 | block_start = off; | |
200 | } | |
201 | last_status = s; | |
202 | } | |
203 | /* Print the last block info */ | |
204 | print_status(block_start, off, nand->erasesize, last_status); | |
205 | } | |
206 | #endif | |
207 | ||
208 | int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
209 | { | |
210 | int i, dev, ret = 0; | |
211 | ulong addr, off; | |
212 | size_t size; | |
213 | char *cmd, *s; | |
214 | nand_info_t *nand; | |
215 | #ifdef CONFIG_SYS_NAND_QUIET | |
216 | int quiet = CONFIG_SYS_NAND_QUIET; | |
217 | #else | |
218 | int quiet = 0; | |
219 | #endif | |
220 | const char *quiet_str = getenv("quiet"); | |
221 | ||
222 | /* at least two arguments please */ | |
223 | if (argc < 2) | |
224 | goto usage; | |
225 | ||
226 | if (quiet_str) | |
227 | quiet = simple_strtoul(quiet_str, NULL, 0) != 0; | |
228 | ||
229 | cmd = argv[1]; | |
230 | ||
231 | if (strcmp(cmd, "info") == 0) { | |
232 | ||
233 | putc('\n'); | |
234 | for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { | |
235 | if (nand_info[i].name) | |
236 | printf("Device %d: %s, sector size %u KiB\n", | |
237 | i, nand_info[i].name, | |
238 | nand_info[i].erasesize >> 10); | |
239 | } | |
240 | return 0; | |
241 | } | |
242 | ||
243 | if (strcmp(cmd, "device") == 0) { | |
244 | ||
245 | if (argc < 3) { | |
246 | if ((nand_curr_device < 0) || | |
247 | (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) | |
248 | puts("\nno devices available\n"); | |
249 | else | |
250 | printf("\nDevice %d: %s\n", nand_curr_device, | |
251 | nand_info[nand_curr_device].name); | |
252 | return 0; | |
253 | } | |
254 | dev = (int)simple_strtoul(argv[2], NULL, 10); | |
255 | if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev].name) { | |
256 | puts("No such device\n"); | |
257 | return 1; | |
258 | } | |
259 | printf("Device %d: %s", dev, nand_info[dev].name); | |
260 | puts("... is now current device\n"); | |
261 | nand_curr_device = dev; | |
262 | ||
263 | #ifdef CONFIG_SYS_NAND_SELECT_DEVICE | |
264 | /* | |
265 | * Select the chip in the board/cpu specific driver | |
266 | */ | |
267 | board_nand_select_device(nand_info[dev].priv, dev); | |
268 | #endif | |
269 | ||
270 | return 0; | |
271 | } | |
272 | ||
273 | if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 && | |
274 | strncmp(cmd, "dump", 4) != 0 && | |
275 | strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 && | |
276 | strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 && | |
277 | strcmp(cmd, "biterr") != 0 && | |
278 | strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 ) | |
279 | goto usage; | |
280 | ||
281 | /* the following commands operate on the current device */ | |
282 | if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE || | |
283 | !nand_info[nand_curr_device].name) { | |
284 | puts("\nno devices available\n"); | |
285 | return 1; | |
286 | } | |
287 | nand = &nand_info[nand_curr_device]; | |
288 | ||
289 | if (strcmp(cmd, "bad") == 0) { | |
290 | printf("\nDevice %d bad blocks:\n", nand_curr_device); | |
291 | for (off = 0; off < nand->size; off += nand->erasesize) | |
292 | if (nand_block_isbad(nand, off)) | |
293 | printf(" %08lx\n", off); | |
294 | return 0; | |
295 | } | |
296 | ||
297 | /* | |
298 | * Syntax is: | |
299 | * 0 1 2 3 4 | |
300 | * nand erase [clean] [off size] | |
301 | */ | |
302 | if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) { | |
303 | nand_erase_options_t opts; | |
304 | /* "clean" at index 2 means request to write cleanmarker */ | |
305 | int clean = argc > 2 && !strcmp("clean", argv[2]); | |
306 | int o = clean ? 3 : 2; | |
307 | int scrub = !strcmp(cmd, "scrub"); | |
308 | ||
309 | printf("\nNAND %s: ", scrub ? "scrub" : "erase"); | |
310 | /* skip first two or three arguments, look for offset and size */ | |
311 | if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0) | |
312 | return 1; | |
313 | ||
314 | memset(&opts, 0, sizeof(opts)); | |
315 | opts.offset = off; | |
316 | opts.length = size; | |
317 | opts.jffs2 = clean; | |
318 | opts.quiet = quiet; | |
319 | ||
320 | if (scrub) { | |
321 | puts("Warning: " | |
322 | "scrub option will erase all factory set " | |
323 | "bad blocks!\n" | |
324 | " " | |
325 | "There is no reliable way to recover them.\n" | |
326 | " " | |
327 | "Use this command only for testing purposes " | |
328 | "if you\n" | |
329 | " " | |
330 | "are sure of what you are doing!\n" | |
331 | "\nReally scrub this NAND flash? <y/N>\n"); | |
332 | ||
333 | if (getc() == 'y' && getc() == '\r') { | |
334 | opts.scrub = 1; | |
335 | } else { | |
336 | puts("scrub aborted\n"); | |
337 | return -1; | |
338 | } | |
339 | } | |
340 | ret = nand_erase_opts(nand, &opts); | |
341 | printf("%s\n", ret ? "ERROR" : "OK"); | |
342 | ||
343 | return ret == 0 ? 0 : 1; | |
344 | } | |
345 | ||
346 | if (strncmp(cmd, "dump", 4) == 0) { | |
347 | if (argc < 3) | |
348 | goto usage; | |
349 | ||
350 | s = strchr(cmd, '.'); | |
351 | off = (int)simple_strtoul(argv[2], NULL, 16); | |
352 | ||
353 | if (s != NULL && strcmp(s, ".oob") == 0) | |
354 | ret = nand_dump(nand, off, 1); | |
355 | else | |
356 | ret = nand_dump(nand, off, 0); | |
357 | ||
358 | return ret == 0 ? 1 : 0; | |
359 | ||
360 | } | |
361 | ||
362 | if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { | |
363 | int read; | |
364 | ||
365 | if (argc < 4) | |
366 | goto usage; | |
367 | ||
368 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); | |
369 | ||
370 | read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ | |
371 | printf("\nNAND %s: ", read ? "read" : "write"); | |
372 | if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0) | |
373 | return 1; | |
374 | ||
375 | s = strchr(cmd, '.'); | |
376 | if (!s || !strcmp(s, ".jffs2") || | |
377 | !strcmp(s, ".e") || !strcmp(s, ".i")) { | |
378 | if (read) | |
379 | ret = nand_read_skip_bad(nand, off, &size, | |
380 | (u_char *)addr); | |
381 | else | |
382 | ret = nand_write_skip_bad(nand, off, &size, | |
383 | (u_char *)addr); | |
384 | } else if (s != NULL && !strcmp(s, ".oob")) { | |
385 | /* out-of-band data */ | |
386 | mtd_oob_ops_t ops = { | |
387 | .oobbuf = (u8 *)addr, | |
388 | .ooblen = size, | |
389 | .mode = MTD_OOB_RAW | |
390 | }; | |
391 | ||
392 | if (read) | |
393 | ret = nand->read_oob(nand, off, &ops); | |
394 | else | |
395 | ret = nand->write_oob(nand, off, &ops); | |
396 | } else { | |
397 | printf("Unknown nand command suffix '%s'.\n", s); | |
398 | return 1; | |
399 | } | |
400 | ||
401 | printf(" %d bytes %s: %s\n", size, | |
402 | read ? "read" : "written", ret ? "ERROR" : "OK"); | |
403 | ||
404 | return ret == 0 ? 0 : 1; | |
405 | } | |
406 | ||
407 | if (strcmp(cmd, "markbad") == 0) { | |
408 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); | |
409 | ||
410 | int ret = nand->block_markbad(nand, addr); | |
411 | if (ret == 0) { | |
412 | printf("block 0x%08lx successfully marked as bad\n", | |
413 | (ulong) addr); | |
414 | return 0; | |
415 | } else { | |
416 | printf("block 0x%08lx NOT marked as bad! ERROR %d\n", | |
417 | (ulong) addr, ret); | |
418 | } | |
419 | return 1; | |
420 | } | |
421 | ||
422 | if (strcmp(cmd, "biterr") == 0) { | |
423 | /* todo */ | |
424 | return 1; | |
425 | } | |
426 | ||
427 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK | |
428 | if (strcmp(cmd, "lock") == 0) { | |
429 | int tight = 0; | |
430 | int status = 0; | |
431 | if (argc == 3) { | |
432 | if (!strcmp("tight", argv[2])) | |
433 | tight = 1; | |
434 | if (!strcmp("status", argv[2])) | |
435 | status = 1; | |
436 | } | |
437 | if (status) { | |
438 | do_nand_status(nand); | |
439 | } else { | |
440 | if (!nand_lock(nand, tight)) { | |
441 | puts("NAND flash successfully locked\n"); | |
442 | } else { | |
443 | puts("Error locking NAND flash\n"); | |
444 | return 1; | |
445 | } | |
446 | } | |
447 | return 0; | |
448 | } | |
449 | ||
450 | if (strcmp(cmd, "unlock") == 0) { | |
451 | if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0) | |
452 | return 1; | |
453 | ||
454 | if (!nand_unlock(nand, off, size)) { | |
455 | puts("NAND flash successfully unlocked\n"); | |
456 | } else { | |
457 | puts("Error unlocking NAND flash, " | |
458 | "write and erase will probably fail\n"); | |
459 | return 1; | |
460 | } | |
461 | return 0; | |
462 | } | |
463 | #endif | |
464 | ||
465 | usage: | |
466 | printf("Usage:\n%s\n", cmdtp->usage); | |
467 | return 1; | |
468 | } | |
469 | ||
470 | U_BOOT_CMD(nand, 5, 1, do_nand, | |
471 | "nand - NAND sub-system\n", | |
472 | "info - show available NAND devices\n" | |
473 | "nand device [dev] - show or set current device\n" | |
474 | "nand read - addr off|partition size\n" | |
475 | "nand write - addr off|partition size\n" | |
476 | " read/write 'size' bytes starting at offset 'off'\n" | |
477 | " to/from memory address 'addr', skipping bad blocks.\n" | |
478 | "nand erase [clean] [off size] - erase 'size' bytes from\n" | |
479 | " offset 'off' (entire device if not specified)\n" | |
480 | "nand bad - show bad blocks\n" | |
481 | "nand dump[.oob] off - dump page\n" | |
482 | "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" | |
483 | "nand markbad off - mark bad block at offset (UNSAFE)\n" | |
484 | "nand biterr off - make a bit error at offset (UNSAFE)\n" | |
485 | #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK | |
486 | "nand lock [tight] [status]\n" | |
487 | " bring nand to lock state or display locked pages\n" | |
488 | "nand unlock [offset] [size] - unlock section\n" | |
489 | #endif | |
490 | ); | |
491 | ||
492 | static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, | |
493 | ulong offset, ulong addr, char *cmd) | |
494 | { | |
495 | int r; | |
496 | char *ep, *s; | |
497 | size_t cnt; | |
498 | image_header_t *hdr; | |
499 | #if defined(CONFIG_FIT) | |
500 | const void *fit_hdr = NULL; | |
501 | #endif | |
502 | ||
503 | s = strchr(cmd, '.'); | |
504 | if (s != NULL && | |
505 | (strcmp(s, ".jffs2") && !strcmp(s, ".e") && !strcmp(s, ".i"))) { | |
506 | printf("Unknown nand load suffix '%s'\n", s); | |
507 | show_boot_progress(-53); | |
508 | return 1; | |
509 | } | |
510 | ||
511 | printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); | |
512 | ||
513 | cnt = nand->writesize; | |
514 | r = nand_read(nand, offset, &cnt, (u_char *) addr); | |
515 | if (r) { | |
516 | puts("** Read error\n"); | |
517 | show_boot_progress (-56); | |
518 | return 1; | |
519 | } | |
520 | show_boot_progress (56); | |
521 | ||
522 | switch (genimg_get_format ((void *)addr)) { | |
523 | case IMAGE_FORMAT_LEGACY: | |
524 | hdr = (image_header_t *)addr; | |
525 | ||
526 | show_boot_progress (57); | |
527 | image_print_contents (hdr); | |
528 | ||
529 | cnt = image_get_image_size (hdr); | |
530 | break; | |
531 | #if defined(CONFIG_FIT) | |
532 | case IMAGE_FORMAT_FIT: | |
533 | fit_hdr = (const void *)addr; | |
534 | puts ("Fit image detected...\n"); | |
535 | ||
536 | cnt = fit_get_size (fit_hdr); | |
537 | break; | |
538 | #endif | |
539 | default: | |
540 | show_boot_progress (-57); | |
541 | puts ("** Unknown image type\n"); | |
542 | return 1; | |
543 | } | |
544 | show_boot_progress (57); | |
545 | ||
546 | /* FIXME: skip bad blocks */ | |
547 | r = nand_read(nand, offset, &cnt, (u_char *) addr); | |
548 | if (r) { | |
549 | puts("** Read error\n"); | |
550 | show_boot_progress (-58); | |
551 | return 1; | |
552 | } | |
553 | show_boot_progress (58); | |
554 | ||
555 | #if defined(CONFIG_FIT) | |
556 | /* This cannot be done earlier, we need complete FIT image in RAM first */ | |
557 | if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { | |
558 | if (!fit_check_format (fit_hdr)) { | |
559 | show_boot_progress (-150); | |
560 | puts ("** Bad FIT image format\n"); | |
561 | return 1; | |
562 | } | |
563 | show_boot_progress (151); | |
564 | fit_print_contents (fit_hdr); | |
565 | } | |
566 | #endif | |
567 | ||
568 | /* Loading ok, update default load address */ | |
569 | ||
570 | load_addr = addr; | |
571 | ||
572 | /* Check if we should attempt an auto-start */ | |
573 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { | |
574 | char *local_args[2]; | |
575 | extern int do_bootm(cmd_tbl_t *, int, int, char *[]); | |
576 | ||
577 | local_args[0] = cmd; | |
578 | local_args[1] = NULL; | |
579 | ||
580 | printf("Automatic boot of image at addr 0x%08lx ...\n", addr); | |
581 | ||
582 | do_bootm(cmdtp, 0, 1, local_args); | |
583 | return 1; | |
584 | } | |
585 | return 0; | |
586 | } | |
587 | ||
588 | int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
589 | { | |
590 | char *boot_device = NULL; | |
591 | int idx; | |
592 | ulong addr, offset = 0; | |
593 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
594 | struct mtd_device *dev; | |
595 | struct part_info *part; | |
596 | u8 pnum; | |
597 | ||
598 | if (argc >= 2) { | |
599 | char *p = (argc == 2) ? argv[1] : argv[2]; | |
600 | if (!(str2long(p, &addr)) && (mtdparts_init() == 0) && | |
601 | (find_dev_and_part(p, &dev, &pnum, &part) == 0)) { | |
602 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
603 | puts("Not a NAND device\n"); | |
604 | return 1; | |
605 | } | |
606 | if (argc > 3) | |
607 | goto usage; | |
608 | if (argc == 3) | |
609 | addr = simple_strtoul(argv[1], NULL, 16); | |
610 | else | |
611 | addr = CONFIG_SYS_LOAD_ADDR; | |
612 | return nand_load_image(cmdtp, &nand_info[dev->id->num], | |
613 | part->offset, addr, argv[0]); | |
614 | } | |
615 | } | |
616 | #endif | |
617 | ||
618 | show_boot_progress(52); | |
619 | switch (argc) { | |
620 | case 1: | |
621 | addr = CONFIG_SYS_LOAD_ADDR; | |
622 | boot_device = getenv("bootdevice"); | |
623 | break; | |
624 | case 2: | |
625 | addr = simple_strtoul(argv[1], NULL, 16); | |
626 | boot_device = getenv("bootdevice"); | |
627 | break; | |
628 | case 3: | |
629 | addr = simple_strtoul(argv[1], NULL, 16); | |
630 | boot_device = argv[2]; | |
631 | break; | |
632 | case 4: | |
633 | addr = simple_strtoul(argv[1], NULL, 16); | |
634 | boot_device = argv[2]; | |
635 | offset = simple_strtoul(argv[3], NULL, 16); | |
636 | break; | |
637 | default: | |
638 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
639 | usage: | |
640 | #endif | |
641 | printf("Usage:\n%s\n", cmdtp->usage); | |
642 | show_boot_progress(-53); | |
643 | return 1; | |
644 | } | |
645 | ||
646 | show_boot_progress(53); | |
647 | if (!boot_device) { | |
648 | puts("\n** No boot device **\n"); | |
649 | show_boot_progress(-54); | |
650 | return 1; | |
651 | } | |
652 | show_boot_progress(54); | |
653 | ||
654 | idx = simple_strtoul(boot_device, NULL, 16); | |
655 | ||
656 | if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) { | |
657 | printf("\n** Device %d not available\n", idx); | |
658 | show_boot_progress(-55); | |
659 | return 1; | |
660 | } | |
661 | show_boot_progress(55); | |
662 | ||
663 | return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]); | |
664 | } | |
665 | ||
666 | U_BOOT_CMD(nboot, 4, 1, do_nandboot, | |
667 | "nboot - boot from NAND device\n", | |
668 | "[partition] | [[[loadAddr] dev] offset]\n"); | |
669 | ||
670 | #endif | |
671 | ||
672 | #else /* CONFIG_NAND_LEGACY */ | |
673 | /* | |
674 | * | |
675 | * Legacy NAND support - to be phased out | |
676 | * | |
677 | */ | |
678 | #include <command.h> | |
679 | #include <malloc.h> | |
680 | #include <asm/io.h> | |
681 | #include <watchdog.h> | |
682 | ||
683 | #ifdef CONFIG_show_boot_progress | |
684 | # include <status_led.h> | |
685 | # define show_boot_progress(arg) show_boot_progress(arg) | |
686 | #else | |
687 | # define show_boot_progress(arg) | |
688 | #endif | |
689 | ||
690 | #if defined(CONFIG_CMD_NAND) | |
691 | #include <linux/mtd/nand_legacy.h> | |
692 | #if 0 | |
693 | #include <linux/mtd/nand_ids.h> | |
694 | #include <jffs2/jffs2.h> | |
695 | #endif | |
696 | ||
697 | #ifdef CONFIG_OMAP1510 | |
698 | void archflashwp(void *archdata, int wp); | |
699 | #endif | |
700 | ||
701 | #define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) | |
702 | ||
703 | #undef NAND_DEBUG | |
704 | #undef PSYCHO_DEBUG | |
705 | ||
706 | /* ****************** WARNING ********************* | |
707 | * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will | |
708 | * erase (or at least attempt to erase) blocks that are marked | |
709 | * bad. This can be very handy if you are _sure_ that the block | |
710 | * is OK, say because you marked a good block bad to test bad | |
711 | * block handling and you are done testing, or if you have | |
712 | * accidentally marked blocks bad. | |
713 | * | |
714 | * Erasing factory marked bad blocks is a _bad_ idea. If the | |
715 | * erase succeeds there is no reliable way to find them again, | |
716 | * and attempting to program or erase bad blocks can affect | |
717 | * the data in _other_ (good) blocks. | |
718 | */ | |
719 | #define ALLOW_ERASE_BAD_DEBUG 0 | |
720 | ||
721 | #define CONFIG_MTD_NAND_ECC /* enable ECC */ | |
722 | #define CONFIG_MTD_NAND_ECC_JFFS2 | |
723 | ||
724 | /* bits for nand_legacy_rw() `cmd'; or together as needed */ | |
725 | #define NANDRW_READ 0x01 | |
726 | #define NANDRW_WRITE 0x00 | |
727 | #define NANDRW_JFFS2 0x02 | |
728 | #define NANDRW_JFFS2_SKIP 0x04 | |
729 | ||
730 | /* | |
731 | * Imports from nand_legacy.c | |
732 | */ | |
733 | extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE]; | |
734 | extern int curr_device; | |
735 | extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, | |
736 | size_t len, int clean); | |
737 | extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start, | |
738 | size_t len, size_t *retlen, u_char *buf); | |
739 | extern void nand_print(struct nand_chip *nand); | |
740 | extern void nand_print_bad(struct nand_chip *nand); | |
741 | extern int nand_read_oob(struct nand_chip *nand, size_t ofs, | |
742 | size_t len, size_t *retlen, u_char *buf); | |
743 | extern int nand_write_oob(struct nand_chip *nand, size_t ofs, | |
744 | size_t len, size_t *retlen, const u_char *buf); | |
745 | ||
746 | ||
747 | int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
748 | { | |
749 | int rcode = 0; | |
750 | ||
751 | switch (argc) { | |
752 | case 0: | |
753 | case 1: | |
754 | printf ("Usage:\n%s\n", cmdtp->usage); | |
755 | return 1; | |
756 | case 2: | |
757 | if (strcmp (argv[1], "info") == 0) { | |
758 | int i; | |
759 | ||
760 | putc ('\n'); | |
761 | ||
762 | for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; ++i) { | |
763 | if (nand_dev_desc[i].ChipID == | |
764 | NAND_ChipID_UNKNOWN) | |
765 | continue; /* list only known devices */ | |
766 | printf ("Device %d: ", i); | |
767 | nand_print (&nand_dev_desc[i]); | |
768 | } | |
769 | return 0; | |
770 | ||
771 | } else if (strcmp (argv[1], "device") == 0) { | |
772 | if ((curr_device < 0) | |
773 | || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) { | |
774 | puts ("\nno devices available\n"); | |
775 | return 1; | |
776 | } | |
777 | printf ("\nDevice %d: ", curr_device); | |
778 | nand_print (&nand_dev_desc[curr_device]); | |
779 | return 0; | |
780 | ||
781 | } else if (strcmp (argv[1], "bad") == 0) { | |
782 | if ((curr_device < 0) | |
783 | || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) { | |
784 | puts ("\nno devices available\n"); | |
785 | return 1; | |
786 | } | |
787 | printf ("\nDevice %d bad blocks:\n", curr_device); | |
788 | nand_print_bad (&nand_dev_desc[curr_device]); | |
789 | return 0; | |
790 | ||
791 | } | |
792 | printf ("Usage:\n%s\n", cmdtp->usage); | |
793 | return 1; | |
794 | case 3: | |
795 | if (strcmp (argv[1], "device") == 0) { | |
796 | int dev = (int) simple_strtoul (argv[2], NULL, 10); | |
797 | ||
798 | printf ("\nDevice %d: ", dev); | |
799 | if (dev >= CONFIG_SYS_MAX_NAND_DEVICE) { | |
800 | puts ("unknown device\n"); | |
801 | return 1; | |
802 | } | |
803 | nand_print (&nand_dev_desc[dev]); | |
804 | /*nand_print (dev); */ | |
805 | ||
806 | if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { | |
807 | return 1; | |
808 | } | |
809 | ||
810 | curr_device = dev; | |
811 | ||
812 | puts ("... is now current device\n"); | |
813 | ||
814 | return 0; | |
815 | } else if (strcmp (argv[1], "erase") == 0 | |
816 | && strcmp (argv[2], "clean") == 0) { | |
817 | struct nand_chip *nand = &nand_dev_desc[curr_device]; | |
818 | ulong off = 0; | |
819 | ulong size = nand->totlen; | |
820 | int ret; | |
821 | ||
822 | printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); | |
823 | ||
824 | ret = nand_legacy_erase (nand, off, size, 1); | |
825 | ||
826 | printf ("%s\n", ret ? "ERROR" : "OK"); | |
827 | ||
828 | return ret; | |
829 | } | |
830 | ||
831 | printf ("Usage:\n%s\n", cmdtp->usage); | |
832 | return 1; | |
833 | default: | |
834 | /* at least 4 args */ | |
835 | ||
836 | if (strncmp (argv[1], "read", 4) == 0 || | |
837 | strncmp (argv[1], "write", 5) == 0) { | |
838 | ulong addr = simple_strtoul (argv[2], NULL, 16); | |
839 | off_t off = simple_strtoul (argv[3], NULL, 16); | |
840 | size_t size = simple_strtoul (argv[4], NULL, 16); | |
841 | int cmd = (strncmp (argv[1], "read", 4) == 0) ? | |
842 | NANDRW_READ : NANDRW_WRITE; | |
843 | size_t total; | |
844 | int ret; | |
845 | char *cmdtail = strchr (argv[1], '.'); | |
846 | ||
847 | if (cmdtail && !strncmp (cmdtail, ".oob", 2)) { | |
848 | /* read out-of-band data */ | |
849 | if (cmd & NANDRW_READ) { | |
850 | ret = nand_read_oob (nand_dev_desc + curr_device, | |
851 | off, size, &total, | |
852 | (u_char *) addr); | |
853 | } else { | |
854 | ret = nand_write_oob (nand_dev_desc + curr_device, | |
855 | off, size, &total, | |
856 | (u_char *) addr); | |
857 | } | |
858 | return ret; | |
859 | } else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 7)) { | |
860 | cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ | |
861 | if (cmd & NANDRW_READ) | |
862 | cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ | |
863 | } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) | |
864 | cmd |= NANDRW_JFFS2; /* skip bad blocks */ | |
865 | #ifdef SXNI855T | |
866 | /* need ".e" same as ".j" for compatibility with older units */ | |
867 | else if (cmdtail && !strcmp (cmdtail, ".e")) | |
868 | cmd |= NANDRW_JFFS2; /* skip bad blocks */ | |
869 | #endif | |
870 | #ifdef CONFIG_SYS_NAND_SKIP_BAD_DOT_I | |
871 | /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ | |
872 | /* ".i" for image -> read skips bad block (no 0xff) */ | |
873 | else if (cmdtail && !strcmp (cmdtail, ".i")) { | |
874 | cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ | |
875 | if (cmd & NANDRW_READ) | |
876 | cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ | |
877 | } | |
878 | #endif /* CONFIG_SYS_NAND_SKIP_BAD_DOT_I */ | |
879 | else if (cmdtail) { | |
880 | printf ("Usage:\n%s\n", cmdtp->usage); | |
881 | return 1; | |
882 | } | |
883 | ||
884 | printf ("\nNAND %s: device %d offset %ld, size %lu ...\n", | |
885 | (cmd & NANDRW_READ) ? "read" : "write", | |
886 | curr_device, off, (ulong)size); | |
887 | ||
888 | ret = nand_legacy_rw (nand_dev_desc + curr_device, | |
889 | cmd, off, size, | |
890 | &total, (u_char *) addr); | |
891 | ||
892 | printf (" %d bytes %s: %s\n", total, | |
893 | (cmd & NANDRW_READ) ? "read" : "written", | |
894 | ret ? "ERROR" : "OK"); | |
895 | ||
896 | return ret; | |
897 | } else if (strcmp (argv[1], "erase") == 0 && | |
898 | (argc == 4 || strcmp ("clean", argv[2]) == 0)) { | |
899 | int clean = argc == 5; | |
900 | ulong off = | |
901 | simple_strtoul (argv[2 + clean], NULL, 16); | |
902 | ulong size = | |
903 | simple_strtoul (argv[3 + clean], NULL, 16); | |
904 | int ret; | |
905 | ||
906 | printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", | |
907 | curr_device, off, size); | |
908 | ||
909 | ret = nand_legacy_erase (nand_dev_desc + curr_device, | |
910 | off, size, clean); | |
911 | ||
912 | printf ("%s\n", ret ? "ERROR" : "OK"); | |
913 | ||
914 | return ret; | |
915 | } else { | |
916 | printf ("Usage:\n%s\n", cmdtp->usage); | |
917 | rcode = 1; | |
918 | } | |
919 | ||
920 | return rcode; | |
921 | } | |
922 | } | |
923 | ||
924 | U_BOOT_CMD( | |
925 | nand, 5, 1, do_nand, | |
926 | "nand - legacy NAND sub-system\n", | |
927 | "info - show available NAND devices\n" | |
928 | "nand device [dev] - show or set current device\n" | |
929 | "nand read[.jffs2[s]] addr off size\n" | |
930 | "nand write[.jffs2] addr off size - read/write `size' bytes starting\n" | |
931 | " at offset `off' to/from memory address `addr'\n" | |
932 | "nand erase [clean] [off size] - erase `size' bytes from\n" | |
933 | " offset `off' (entire device if not specified)\n" | |
934 | "nand bad - show bad blocks\n" | |
935 | "nand read.oob addr off size - read out-of-band data\n" | |
936 | "nand write.oob addr off size - read out-of-band data\n" | |
937 | ); | |
938 | ||
939 | int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
940 | { | |
941 | char *boot_device = NULL; | |
942 | char *ep; | |
943 | int dev; | |
944 | ulong cnt; | |
945 | ulong addr; | |
946 | ulong offset = 0; | |
947 | image_header_t *hdr; | |
948 | int rcode = 0; | |
949 | #if defined(CONFIG_FIT) | |
950 | const void *fit_hdr = NULL; | |
951 | #endif | |
952 | ||
953 | show_boot_progress (52); | |
954 | switch (argc) { | |
955 | case 1: | |
956 | addr = CONFIG_SYS_LOAD_ADDR; | |
957 | boot_device = getenv ("bootdevice"); | |
958 | break; | |
959 | case 2: | |
960 | addr = simple_strtoul(argv[1], NULL, 16); | |
961 | boot_device = getenv ("bootdevice"); | |
962 | break; | |
963 | case 3: | |
964 | addr = simple_strtoul(argv[1], NULL, 16); | |
965 | boot_device = argv[2]; | |
966 | break; | |
967 | case 4: | |
968 | addr = simple_strtoul(argv[1], NULL, 16); | |
969 | boot_device = argv[2]; | |
970 | offset = simple_strtoul(argv[3], NULL, 16); | |
971 | break; | |
972 | default: | |
973 | printf ("Usage:\n%s\n", cmdtp->usage); | |
974 | show_boot_progress (-53); | |
975 | return 1; | |
976 | } | |
977 | ||
978 | show_boot_progress (53); | |
979 | if (!boot_device) { | |
980 | puts ("\n** No boot device **\n"); | |
981 | show_boot_progress (-54); | |
982 | return 1; | |
983 | } | |
984 | show_boot_progress (54); | |
985 | ||
986 | dev = simple_strtoul(boot_device, &ep, 16); | |
987 | ||
988 | if ((dev >= CONFIG_SYS_MAX_NAND_DEVICE) || | |
989 | (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) { | |
990 | printf ("\n** Device %d not available\n", dev); | |
991 | show_boot_progress (-55); | |
992 | return 1; | |
993 | } | |
994 | show_boot_progress (55); | |
995 | ||
996 | printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n", | |
997 | dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR, | |
998 | offset); | |
999 | ||
1000 | if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset, | |
1001 | SECTORSIZE, NULL, (u_char *)addr)) { | |
1002 | printf ("** Read error on %d\n", dev); | |
1003 | show_boot_progress (-56); | |
1004 | return 1; | |
1005 | } | |
1006 | show_boot_progress (56); | |
1007 | ||
1008 | switch (genimg_get_format ((void *)addr)) { | |
1009 | case IMAGE_FORMAT_LEGACY: | |
1010 | hdr = (image_header_t *)addr; | |
1011 | image_print_contents (hdr); | |
1012 | ||
1013 | cnt = image_get_image_size (hdr); | |
1014 | cnt -= SECTORSIZE; | |
1015 | break; | |
1016 | #if defined(CONFIG_FIT) | |
1017 | case IMAGE_FORMAT_FIT: | |
1018 | fit_hdr = (const void *)addr; | |
1019 | puts ("Fit image detected...\n"); | |
1020 | ||
1021 | cnt = fit_get_size (fit_hdr); | |
1022 | break; | |
1023 | #endif | |
1024 | default: | |
1025 | show_boot_progress (-57); | |
1026 | puts ("** Unknown image type\n"); | |
1027 | return 1; | |
1028 | } | |
1029 | show_boot_progress (57); | |
1030 | ||
1031 | if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, | |
1032 | offset + SECTORSIZE, cnt, NULL, | |
1033 | (u_char *)(addr+SECTORSIZE))) { | |
1034 | printf ("** Read error on %d\n", dev); | |
1035 | show_boot_progress (-58); | |
1036 | return 1; | |
1037 | } | |
1038 | show_boot_progress (58); | |
1039 | ||
1040 | #if defined(CONFIG_FIT) | |
1041 | /* This cannot be done earlier, we need complete FIT image in RAM first */ | |
1042 | if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { | |
1043 | if (!fit_check_format (fit_hdr)) { | |
1044 | show_boot_progress (-150); | |
1045 | puts ("** Bad FIT image format\n"); | |
1046 | return 1; | |
1047 | } | |
1048 | show_boot_progress (151); | |
1049 | fit_print_contents (fit_hdr); | |
1050 | } | |
1051 | #endif | |
1052 | ||
1053 | /* Loading ok, update default load address */ | |
1054 | ||
1055 | load_addr = addr; | |
1056 | ||
1057 | /* Check if we should attempt an auto-start */ | |
1058 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
1059 | char *local_args[2]; | |
1060 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
1061 | ||
1062 | local_args[0] = argv[0]; | |
1063 | local_args[1] = NULL; | |
1064 | ||
1065 | printf ("Automatic boot of image at addr 0x%08lx ...\n", addr); | |
1066 | ||
1067 | do_bootm (cmdtp, 0, 1, local_args); | |
1068 | rcode = 1; | |
1069 | } | |
1070 | return rcode; | |
1071 | } | |
1072 | ||
1073 | U_BOOT_CMD( | |
1074 | nboot, 4, 1, do_nandboot, | |
1075 | "nboot - boot from NAND device\n", | |
1076 | "loadAddr dev\n" | |
1077 | ); | |
1078 | ||
1079 | #endif | |
1080 | ||
1081 | #endif /* CONFIG_NAND_LEGACY */ |