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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 CFG_NAND_LEGACY | |
15 | /* | |
16 | * | |
17 | * New NAND support | |
18 | * | |
19 | */ | |
20 | #include <common.h> | |
21 | ||
22 | #if defined(CONFIG_CMD_NAND) | |
23 | ||
24 | #include <command.h> | |
25 | #include <watchdog.h> | |
26 | #include <malloc.h> | |
27 | #include <asm/byteorder.h> | |
28 | #include <jffs2/jffs2.h> | |
29 | #include <nand.h> | |
30 | ||
31 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
32 | ||
33 | /* parition handling routines */ | |
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, | |
37 | u8 *part_num, struct part_info **part); | |
38 | #endif | |
39 | ||
40 | extern nand_info_t nand_info[]; /* info for NAND chips */ | |
41 | ||
42 | static int nand_dump_oob(nand_info_t *nand, ulong off) | |
43 | { | |
44 | return 0; | |
45 | } | |
46 | ||
47 | static int nand_dump(nand_info_t *nand, ulong off) | |
48 | { | |
49 | int i; | |
50 | u_char *buf, *p; | |
51 | ||
52 | buf = malloc(nand->oobblock + nand->oobsize); | |
53 | if (!buf) { | |
54 | puts("No memory for page buffer\n"); | |
55 | return 1; | |
56 | } | |
57 | off &= ~(nand->oobblock - 1); | |
58 | i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize); | |
59 | if (i < 0) { | |
60 | printf("Error (%d) reading page %08x\n", i, off); | |
61 | free(buf); | |
62 | return 1; | |
63 | } | |
64 | printf("Page %08x dump:\n", off); | |
65 | i = nand->oobblock >> 4; p = buf; | |
66 | while (i--) { | |
67 | printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x" | |
68 | " %02x %02x %02x %02x %02x %02x %02x %02x\n", | |
69 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], | |
70 | p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); | |
71 | p += 16; | |
72 | } | |
73 | puts("OOB:\n"); | |
74 | i = nand->oobsize >> 3; | |
75 | while (i--) { | |
76 | printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
77 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); | |
78 | p += 8; | |
79 | } | |
80 | free(buf); | |
81 | ||
82 | return 0; | |
83 | } | |
84 | ||
85 | /* ------------------------------------------------------------------------- */ | |
86 | ||
87 | static inline int str2long(char *p, ulong *num) | |
88 | { | |
89 | char *endptr; | |
90 | ||
91 | *num = simple_strtoul(p, &endptr, 16); | |
92 | return (*p != '\0' && *endptr == '\0') ? 1 : 0; | |
93 | } | |
94 | ||
95 | static int | |
96 | arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, ulong *size) | |
97 | { | |
98 | int idx = nand_curr_device; | |
99 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
100 | struct mtd_device *dev; | |
101 | struct part_info *part; | |
102 | u8 pnum; | |
103 | ||
104 | if (argc >= 1 && !(str2long(argv[0], off))) { | |
105 | if ((mtdparts_init() == 0) && | |
106 | (find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) { | |
107 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
108 | puts("not a NAND device\n"); | |
109 | return -1; | |
110 | } | |
111 | *off = part->offset; | |
112 | if (argc >= 2) { | |
113 | if (!(str2long(argv[1], size))) { | |
114 | printf("'%s' is not a number\n", argv[1]); | |
115 | return -1; | |
116 | } | |
117 | if (*size > part->size) | |
118 | *size = part->size; | |
119 | } else { | |
120 | *size = part->size; | |
121 | } | |
122 | idx = dev->id->num; | |
123 | *nand = nand_info[idx]; | |
124 | goto out; | |
125 | } | |
126 | } | |
127 | #endif | |
128 | ||
129 | if (argc >= 1) { | |
130 | if (!(str2long(argv[0], off))) { | |
131 | printf("'%s' is not a number\n", argv[0]); | |
132 | return -1; | |
133 | } | |
134 | } else { | |
135 | *off = 0; | |
136 | } | |
137 | ||
138 | if (argc >= 2) { | |
139 | if (!(str2long(argv[1], size))) { | |
140 | printf("'%s' is not a number\n", argv[1]); | |
141 | return -1; | |
142 | } | |
143 | } else { | |
144 | *size = nand->size - *off; | |
145 | } | |
146 | ||
147 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
148 | out: | |
149 | #endif | |
150 | printf("device %d ", idx); | |
151 | if (*size == nand->size) | |
152 | puts("whole chip\n"); | |
153 | else | |
154 | printf("offset 0x%x, size 0x%x\n", *off, *size); | |
155 | return 0; | |
156 | } | |
157 | ||
158 | int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
159 | { | |
160 | int i, dev, ret; | |
161 | ulong addr, off, size; | |
162 | char *cmd, *s; | |
163 | nand_info_t *nand; | |
164 | #ifdef CFG_NAND_QUIET | |
165 | int quiet = CFG_NAND_QUIET; | |
166 | #else | |
167 | int quiet = 0; | |
168 | #endif | |
169 | const char *quiet_str = getenv("quiet"); | |
170 | ||
171 | /* at least two arguments please */ | |
172 | if (argc < 2) | |
173 | goto usage; | |
174 | ||
175 | if (quiet_str) | |
176 | quiet = simple_strtoul(quiet_str, NULL, 0) != 0; | |
177 | ||
178 | cmd = argv[1]; | |
179 | ||
180 | if (strcmp(cmd, "info") == 0) { | |
181 | ||
182 | putc('\n'); | |
183 | for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) { | |
184 | if (nand_info[i].name) | |
185 | printf("Device %d: %s, sector size %lu KiB\n", | |
186 | i, nand_info[i].name, | |
187 | nand_info[i].erasesize >> 10); | |
188 | } | |
189 | return 0; | |
190 | } | |
191 | ||
192 | if (strcmp(cmd, "device") == 0) { | |
193 | ||
194 | if (argc < 3) { | |
195 | if ((nand_curr_device < 0) || | |
196 | (nand_curr_device >= CFG_MAX_NAND_DEVICE)) | |
197 | puts("\nno devices available\n"); | |
198 | else | |
199 | printf("\nDevice %d: %s\n", nand_curr_device, | |
200 | nand_info[nand_curr_device].name); | |
201 | return 0; | |
202 | } | |
203 | dev = (int)simple_strtoul(argv[2], NULL, 10); | |
204 | if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) { | |
205 | puts("No such device\n"); | |
206 | return 1; | |
207 | } | |
208 | printf("Device %d: %s", dev, nand_info[dev].name); | |
209 | puts("... is now current device\n"); | |
210 | nand_curr_device = dev; | |
211 | ||
212 | #ifdef CFG_NAND_SELECT_DEVICE | |
213 | /* | |
214 | * Select the chip in the board/cpu specific driver | |
215 | */ | |
216 | board_nand_select_device(nand_info[dev].priv, dev); | |
217 | #endif | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
222 | if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 && | |
223 | strncmp(cmd, "dump", 4) != 0 && | |
224 | strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 && | |
225 | strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 && | |
226 | strcmp(cmd, "biterr") != 0 && | |
227 | strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 ) | |
228 | goto usage; | |
229 | ||
230 | /* the following commands operate on the current device */ | |
231 | if (nand_curr_device < 0 || nand_curr_device >= CFG_MAX_NAND_DEVICE || | |
232 | !nand_info[nand_curr_device].name) { | |
233 | puts("\nno devices available\n"); | |
234 | return 1; | |
235 | } | |
236 | nand = &nand_info[nand_curr_device]; | |
237 | ||
238 | if (strcmp(cmd, "bad") == 0) { | |
239 | printf("\nDevice %d bad blocks:\n", nand_curr_device); | |
240 | for (off = 0; off < nand->size; off += nand->erasesize) | |
241 | if (nand_block_isbad(nand, off)) | |
242 | printf(" %08x\n", off); | |
243 | return 0; | |
244 | } | |
245 | ||
246 | /* | |
247 | * Syntax is: | |
248 | * 0 1 2 3 4 | |
249 | * nand erase [clean] [off size] | |
250 | */ | |
251 | if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) { | |
252 | nand_erase_options_t opts; | |
253 | /* "clean" at index 2 means request to write cleanmarker */ | |
254 | int clean = argc > 2 && !strcmp("clean", argv[2]); | |
255 | int o = clean ? 3 : 2; | |
256 | int scrub = !strcmp(cmd, "scrub"); | |
257 | ||
258 | printf("\nNAND %s: ", scrub ? "scrub" : "erase"); | |
259 | /* skip first two or three arguments, look for offset and size */ | |
260 | if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0) | |
261 | return 1; | |
262 | ||
263 | memset(&opts, 0, sizeof(opts)); | |
264 | opts.offset = off; | |
265 | opts.length = size; | |
266 | opts.jffs2 = clean; | |
267 | opts.quiet = quiet; | |
268 | ||
269 | if (scrub) { | |
270 | puts("Warning: " | |
271 | "scrub option will erase all factory set " | |
272 | "bad blocks!\n" | |
273 | " " | |
274 | "There is no reliable way to recover them.\n" | |
275 | " " | |
276 | "Use this command only for testing purposes " | |
277 | "if you\n" | |
278 | " " | |
279 | "are sure of what you are doing!\n" | |
280 | "\nReally scrub this NAND flash? <y/N>\n"); | |
281 | ||
282 | if (getc() == 'y' && getc() == '\r') { | |
283 | opts.scrub = 1; | |
284 | } else { | |
285 | puts("scrub aborted\n"); | |
286 | return -1; | |
287 | } | |
288 | } | |
289 | ret = nand_erase_opts(nand, &opts); | |
290 | printf("%s\n", ret ? "ERROR" : "OK"); | |
291 | ||
292 | return ret == 0 ? 0 : 1; | |
293 | } | |
294 | ||
295 | if (strncmp(cmd, "dump", 4) == 0) { | |
296 | if (argc < 3) | |
297 | goto usage; | |
298 | ||
299 | s = strchr(cmd, '.'); | |
300 | off = (int)simple_strtoul(argv[2], NULL, 16); | |
301 | ||
302 | if (s != NULL && strcmp(s, ".oob") == 0) | |
303 | ret = nand_dump_oob(nand, off); | |
304 | else | |
305 | ret = nand_dump(nand, off); | |
306 | ||
307 | return ret == 0 ? 1 : 0; | |
308 | ||
309 | } | |
310 | ||
311 | /* read write */ | |
312 | if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { | |
313 | int read; | |
314 | ||
315 | if (argc < 4) | |
316 | goto usage; | |
317 | ||
318 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); | |
319 | ||
320 | read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ | |
321 | printf("\nNAND %s: ", read ? "read" : "write"); | |
322 | if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0) | |
323 | return 1; | |
324 | ||
325 | s = strchr(cmd, '.'); | |
326 | if (s != NULL && | |
327 | (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) { | |
328 | if (read) { | |
329 | /* read */ | |
330 | nand_read_options_t opts; | |
331 | memset(&opts, 0, sizeof(opts)); | |
332 | opts.buffer = (u_char*) addr; | |
333 | opts.length = size; | |
334 | opts.offset = off; | |
335 | opts.quiet = quiet; | |
336 | ret = nand_read_opts(nand, &opts); | |
337 | } else { | |
338 | /* write */ | |
339 | nand_write_options_t opts; | |
340 | memset(&opts, 0, sizeof(opts)); | |
341 | opts.buffer = (u_char*) addr; | |
342 | opts.length = size; | |
343 | opts.offset = off; | |
344 | /* opts.forcejffs2 = 1; */ | |
345 | opts.pad = 1; | |
346 | opts.blockalign = 1; | |
347 | opts.quiet = quiet; | |
348 | ret = nand_write_opts(nand, &opts); | |
349 | } | |
350 | } else if (s != NULL && !strcmp(s, ".oob")) { | |
351 | /* read out-of-band data */ | |
352 | if (read) | |
353 | ret = nand->read_oob(nand, off, size, (size_t *) &size, | |
354 | (u_char *) addr); | |
355 | else | |
356 | ret = nand->write_oob(nand, off, size, (size_t *) &size, | |
357 | (u_char *) addr); | |
358 | } else { | |
359 | if (read) | |
360 | ret = nand_read(nand, off, &size, (u_char *)addr); | |
361 | else | |
362 | ret = nand_write(nand, off, &size, (u_char *)addr); | |
363 | } | |
364 | ||
365 | printf(" %d bytes %s: %s\n", size, | |
366 | read ? "read" : "written", ret ? "ERROR" : "OK"); | |
367 | ||
368 | return ret == 0 ? 0 : 1; | |
369 | } | |
370 | ||
371 | if (strcmp(cmd, "markbad") == 0) { | |
372 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); | |
373 | ||
374 | int ret = nand->block_markbad(nand, addr); | |
375 | if (ret == 0) { | |
376 | printf("block 0x%08lx successfully marked as bad\n", | |
377 | (ulong) addr); | |
378 | return 0; | |
379 | } else { | |
380 | printf("block 0x%08lx NOT marked as bad! ERROR %d\n", | |
381 | (ulong) addr, ret); | |
382 | } | |
383 | return 1; | |
384 | } | |
385 | if (strcmp(cmd, "biterr") == 0) { | |
386 | /* todo */ | |
387 | return 1; | |
388 | } | |
389 | ||
390 | if (strcmp(cmd, "lock") == 0) { | |
391 | int tight = 0; | |
392 | int status = 0; | |
393 | if (argc == 3) { | |
394 | if (!strcmp("tight", argv[2])) | |
395 | tight = 1; | |
396 | if (!strcmp("status", argv[2])) | |
397 | status = 1; | |
398 | } | |
399 | ||
400 | if (status) { | |
401 | ulong block_start = 0; | |
402 | ulong off; | |
403 | int last_status = -1; | |
404 | ||
405 | struct nand_chip *nand_chip = nand->priv; | |
406 | /* check the WP bit */ | |
407 | nand_chip->cmdfunc (nand, NAND_CMD_STATUS, -1, -1); | |
408 | printf("device is %swrite protected\n", | |
409 | (nand_chip->read_byte(nand) & 0x80 ? | |
410 | "NOT " : "" ) ); | |
411 | ||
412 | for (off = 0; off < nand->size; off += nand->oobblock) { | |
413 | int s = nand_get_lock_status(nand, off); | |
414 | ||
415 | /* print message only if status has changed | |
416 | * or at end of chip | |
417 | */ | |
418 | if (off == nand->size - nand->oobblock | |
419 | || (s != last_status && off != 0)) { | |
420 | ||
421 | printf("%08x - %08x: %8d pages %s%s%s\n", | |
422 | block_start, | |
423 | off-1, | |
424 | (off-block_start)/nand->oobblock, | |
425 | ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), | |
426 | ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""), | |
427 | ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); | |
428 | } | |
429 | ||
430 | last_status = s; | |
431 | } | |
432 | } else { | |
433 | if (!nand_lock(nand, tight)) { | |
434 | puts("NAND flash successfully locked\n"); | |
435 | } else { | |
436 | puts("Error locking NAND flash\n"); | |
437 | return 1; | |
438 | } | |
439 | } | |
440 | return 0; | |
441 | } | |
442 | ||
443 | if (strcmp(cmd, "unlock") == 0) { | |
444 | if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0) | |
445 | return 1; | |
446 | ||
447 | if (!nand_unlock(nand, off, size)) { | |
448 | puts("NAND flash successfully unlocked\n"); | |
449 | } else { | |
450 | puts("Error unlocking NAND flash, " | |
451 | "write and erase will probably fail\n"); | |
452 | return 1; | |
453 | } | |
454 | return 0; | |
455 | } | |
456 | ||
457 | usage: | |
458 | printf("Usage:\n%s\n", cmdtp->usage); | |
459 | return 1; | |
460 | } | |
461 | ||
462 | U_BOOT_CMD(nand, 5, 1, do_nand, | |
463 | "nand - NAND sub-system\n", | |
464 | "info - show available NAND devices\n" | |
465 | "nand device [dev] - show or set current device\n" | |
466 | "nand read[.jffs2] - addr off|partition size\n" | |
467 | "nand write[.jffs2] - addr off|partition size - read/write `size' bytes starting\n" | |
468 | " at offset `off' to/from memory address `addr'\n" | |
469 | "nand erase [clean] [off size] - erase `size' bytes from\n" | |
470 | " offset `off' (entire device if not specified)\n" | |
471 | "nand bad - show bad blocks\n" | |
472 | "nand dump[.oob] off - dump page\n" | |
473 | "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" | |
474 | "nand markbad off - mark bad block at offset (UNSAFE)\n" | |
475 | "nand biterr off - make a bit error at offset (UNSAFE)\n" | |
476 | "nand lock [tight] [status] - bring nand to lock state or display locked pages\n" | |
477 | "nand unlock [offset] [size] - unlock section\n"); | |
478 | ||
479 | static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, | |
480 | ulong offset, ulong addr, char *cmd) | |
481 | { | |
482 | int r; | |
483 | char *ep, *s; | |
484 | ulong cnt; | |
485 | image_header_t *hdr; | |
486 | int jffs2 = 0; | |
487 | ||
488 | s = strchr(cmd, '.'); | |
489 | if (s != NULL && | |
490 | (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) | |
491 | jffs2 = 1; | |
492 | ||
493 | printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); | |
494 | ||
495 | cnt = nand->oobblock; | |
496 | if (jffs2) { | |
497 | nand_read_options_t opts; | |
498 | memset(&opts, 0, sizeof(opts)); | |
499 | opts.buffer = (u_char*) addr; | |
500 | opts.length = cnt; | |
501 | opts.offset = offset; | |
502 | opts.quiet = 1; | |
503 | r = nand_read_opts(nand, &opts); | |
504 | } else { | |
505 | r = nand_read(nand, offset, &cnt, (u_char *) addr); | |
506 | } | |
507 | ||
508 | if (r) { | |
509 | puts("** Read error\n"); | |
510 | show_boot_progress (-56); | |
511 | return 1; | |
512 | } | |
513 | show_boot_progress (56); | |
514 | ||
515 | hdr = (image_header_t *) addr; | |
516 | ||
517 | if (!image_check_magic (hdr)) { | |
518 | printf("\n** Bad Magic Number 0x%x **\n", image_get_magic (hdr)); | |
519 | show_boot_progress (-57); | |
520 | return 1; | |
521 | } | |
522 | show_boot_progress (57); | |
523 | ||
524 | image_print_contents (hdr); | |
525 | ||
526 | cnt = image_get_image_size (hdr); | |
527 | if (jffs2) { | |
528 | nand_read_options_t opts; | |
529 | memset(&opts, 0, sizeof(opts)); | |
530 | opts.buffer = (u_char*) addr; | |
531 | opts.length = cnt; | |
532 | opts.offset = offset; | |
533 | opts.quiet = 1; | |
534 | r = nand_read_opts(nand, &opts); | |
535 | } else { | |
536 | r = nand_read(nand, offset, &cnt, (u_char *) addr); | |
537 | } | |
538 | ||
539 | if (r) { | |
540 | puts("** Read error\n"); | |
541 | show_boot_progress (-58); | |
542 | return 1; | |
543 | } | |
544 | show_boot_progress (58); | |
545 | ||
546 | /* Loading ok, update default load address */ | |
547 | ||
548 | load_addr = addr; | |
549 | ||
550 | /* Check if we should attempt an auto-start */ | |
551 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { | |
552 | char *local_args[2]; | |
553 | extern int do_bootm(cmd_tbl_t *, int, int, char *[]); | |
554 | ||
555 | local_args[0] = cmd; | |
556 | local_args[1] = NULL; | |
557 | ||
558 | printf("Automatic boot of image at addr 0x%08lx ...\n", addr); | |
559 | ||
560 | do_bootm(cmdtp, 0, 1, local_args); | |
561 | return 1; | |
562 | } | |
563 | return 0; | |
564 | } | |
565 | ||
566 | int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
567 | { | |
568 | char *boot_device = NULL; | |
569 | int idx; | |
570 | ulong addr, offset = 0; | |
571 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
572 | struct mtd_device *dev; | |
573 | struct part_info *part; | |
574 | u8 pnum; | |
575 | ||
576 | if (argc >= 2) { | |
577 | char *p = (argc == 2) ? argv[1] : argv[2]; | |
578 | if (!(str2long(p, &addr)) && (mtdparts_init() == 0) && | |
579 | (find_dev_and_part(p, &dev, &pnum, &part) == 0)) { | |
580 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
581 | puts("Not a NAND device\n"); | |
582 | return 1; | |
583 | } | |
584 | if (argc > 3) | |
585 | goto usage; | |
586 | if (argc == 3) | |
587 | addr = simple_strtoul(argv[1], NULL, 16); | |
588 | else | |
589 | addr = CFG_LOAD_ADDR; | |
590 | return nand_load_image(cmdtp, &nand_info[dev->id->num], | |
591 | part->offset, addr, argv[0]); | |
592 | } | |
593 | } | |
594 | #endif | |
595 | ||
596 | show_boot_progress(52); | |
597 | switch (argc) { | |
598 | case 1: | |
599 | addr = CFG_LOAD_ADDR; | |
600 | boot_device = getenv("bootdevice"); | |
601 | break; | |
602 | case 2: | |
603 | addr = simple_strtoul(argv[1], NULL, 16); | |
604 | boot_device = getenv("bootdevice"); | |
605 | break; | |
606 | case 3: | |
607 | addr = simple_strtoul(argv[1], NULL, 16); | |
608 | boot_device = argv[2]; | |
609 | break; | |
610 | case 4: | |
611 | addr = simple_strtoul(argv[1], NULL, 16); | |
612 | boot_device = argv[2]; | |
613 | offset = simple_strtoul(argv[3], NULL, 16); | |
614 | break; | |
615 | default: | |
616 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
617 | usage: | |
618 | #endif | |
619 | printf("Usage:\n%s\n", cmdtp->usage); | |
620 | show_boot_progress(-53); | |
621 | return 1; | |
622 | } | |
623 | ||
624 | show_boot_progress(53); | |
625 | if (!boot_device) { | |
626 | puts("\n** No boot device **\n"); | |
627 | show_boot_progress(-54); | |
628 | return 1; | |
629 | } | |
630 | show_boot_progress(54); | |
631 | ||
632 | idx = simple_strtoul(boot_device, NULL, 16); | |
633 | ||
634 | if (idx < 0 || idx >= CFG_MAX_NAND_DEVICE || !nand_info[idx].name) { | |
635 | printf("\n** Device %d not available\n", idx); | |
636 | show_boot_progress(-55); | |
637 | return 1; | |
638 | } | |
639 | show_boot_progress(55); | |
640 | ||
641 | return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]); | |
642 | } | |
643 | ||
644 | U_BOOT_CMD(nboot, 4, 1, do_nandboot, | |
645 | "nboot - boot from NAND device\n", | |
646 | "[.jffs2] [partition] | [[[loadAddr] dev] offset]\n"); | |
647 | ||
648 | #endif | |
649 | ||
650 | #else /* CFG_NAND_LEGACY */ | |
651 | /* | |
652 | * | |
653 | * Legacy NAND support - to be phased out | |
654 | * | |
655 | */ | |
656 | #include <command.h> | |
657 | #include <malloc.h> | |
658 | #include <asm/io.h> | |
659 | #include <watchdog.h> | |
660 | ||
661 | #ifdef CONFIG_show_boot_progress | |
662 | # include <status_led.h> | |
663 | # define show_boot_progress(arg) show_boot_progress(arg) | |
664 | #else | |
665 | # define show_boot_progress(arg) | |
666 | #endif | |
667 | ||
668 | #if defined(CONFIG_CMD_NAND) | |
669 | #include <linux/mtd/nand_legacy.h> | |
670 | #if 0 | |
671 | #include <linux/mtd/nand_ids.h> | |
672 | #include <jffs2/jffs2.h> | |
673 | #endif | |
674 | ||
675 | #ifdef CONFIG_OMAP1510 | |
676 | void archflashwp(void *archdata, int wp); | |
677 | #endif | |
678 | ||
679 | #define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) | |
680 | ||
681 | #undef NAND_DEBUG | |
682 | #undef PSYCHO_DEBUG | |
683 | ||
684 | /* ****************** WARNING ********************* | |
685 | * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will | |
686 | * erase (or at least attempt to erase) blocks that are marked | |
687 | * bad. This can be very handy if you are _sure_ that the block | |
688 | * is OK, say because you marked a good block bad to test bad | |
689 | * block handling and you are done testing, or if you have | |
690 | * accidentally marked blocks bad. | |
691 | * | |
692 | * Erasing factory marked bad blocks is a _bad_ idea. If the | |
693 | * erase succeeds there is no reliable way to find them again, | |
694 | * and attempting to program or erase bad blocks can affect | |
695 | * the data in _other_ (good) blocks. | |
696 | */ | |
697 | #define ALLOW_ERASE_BAD_DEBUG 0 | |
698 | ||
699 | #define CONFIG_MTD_NAND_ECC /* enable ECC */ | |
700 | #define CONFIG_MTD_NAND_ECC_JFFS2 | |
701 | ||
702 | /* bits for nand_legacy_rw() `cmd'; or together as needed */ | |
703 | #define NANDRW_READ 0x01 | |
704 | #define NANDRW_WRITE 0x00 | |
705 | #define NANDRW_JFFS2 0x02 | |
706 | #define NANDRW_JFFS2_SKIP 0x04 | |
707 | ||
708 | /* | |
709 | * Imports from nand_legacy.c | |
710 | */ | |
711 | extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; | |
712 | extern int curr_device; | |
713 | extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, | |
714 | size_t len, int clean); | |
715 | extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start, | |
716 | size_t len, size_t *retlen, u_char *buf); | |
717 | extern void nand_print(struct nand_chip *nand); | |
718 | extern void nand_print_bad(struct nand_chip *nand); | |
719 | extern int nand_read_oob(struct nand_chip *nand, size_t ofs, | |
720 | size_t len, size_t *retlen, u_char *buf); | |
721 | extern int nand_write_oob(struct nand_chip *nand, size_t ofs, | |
722 | size_t len, size_t *retlen, const u_char *buf); | |
723 | ||
724 | ||
725 | int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
726 | { | |
727 | int rcode = 0; | |
728 | ||
729 | switch (argc) { | |
730 | case 0: | |
731 | case 1: | |
732 | printf ("Usage:\n%s\n", cmdtp->usage); | |
733 | return 1; | |
734 | case 2: | |
735 | if (strcmp (argv[1], "info") == 0) { | |
736 | int i; | |
737 | ||
738 | putc ('\n'); | |
739 | ||
740 | for (i = 0; i < CFG_MAX_NAND_DEVICE; ++i) { | |
741 | if (nand_dev_desc[i].ChipID == | |
742 | NAND_ChipID_UNKNOWN) | |
743 | continue; /* list only known devices */ | |
744 | printf ("Device %d: ", i); | |
745 | nand_print (&nand_dev_desc[i]); | |
746 | } | |
747 | return 0; | |
748 | ||
749 | } else if (strcmp (argv[1], "device") == 0) { | |
750 | if ((curr_device < 0) | |
751 | || (curr_device >= CFG_MAX_NAND_DEVICE)) { | |
752 | puts ("\nno devices available\n"); | |
753 | return 1; | |
754 | } | |
755 | printf ("\nDevice %d: ", curr_device); | |
756 | nand_print (&nand_dev_desc[curr_device]); | |
757 | return 0; | |
758 | ||
759 | } else if (strcmp (argv[1], "bad") == 0) { | |
760 | if ((curr_device < 0) | |
761 | || (curr_device >= CFG_MAX_NAND_DEVICE)) { | |
762 | puts ("\nno devices available\n"); | |
763 | return 1; | |
764 | } | |
765 | printf ("\nDevice %d bad blocks:\n", curr_device); | |
766 | nand_print_bad (&nand_dev_desc[curr_device]); | |
767 | return 0; | |
768 | ||
769 | } | |
770 | printf ("Usage:\n%s\n", cmdtp->usage); | |
771 | return 1; | |
772 | case 3: | |
773 | if (strcmp (argv[1], "device") == 0) { | |
774 | int dev = (int) simple_strtoul (argv[2], NULL, 10); | |
775 | ||
776 | printf ("\nDevice %d: ", dev); | |
777 | if (dev >= CFG_MAX_NAND_DEVICE) { | |
778 | puts ("unknown device\n"); | |
779 | return 1; | |
780 | } | |
781 | nand_print (&nand_dev_desc[dev]); | |
782 | /*nand_print (dev); */ | |
783 | ||
784 | if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { | |
785 | return 1; | |
786 | } | |
787 | ||
788 | curr_device = dev; | |
789 | ||
790 | puts ("... is now current device\n"); | |
791 | ||
792 | return 0; | |
793 | } else if (strcmp (argv[1], "erase") == 0 | |
794 | && strcmp (argv[2], "clean") == 0) { | |
795 | struct nand_chip *nand = &nand_dev_desc[curr_device]; | |
796 | ulong off = 0; | |
797 | ulong size = nand->totlen; | |
798 | int ret; | |
799 | ||
800 | printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); | |
801 | ||
802 | ret = nand_legacy_erase (nand, off, size, 1); | |
803 | ||
804 | printf ("%s\n", ret ? "ERROR" : "OK"); | |
805 | ||
806 | return ret; | |
807 | } | |
808 | ||
809 | printf ("Usage:\n%s\n", cmdtp->usage); | |
810 | return 1; | |
811 | default: | |
812 | /* at least 4 args */ | |
813 | ||
814 | if (strncmp (argv[1], "read", 4) == 0 || | |
815 | strncmp (argv[1], "write", 5) == 0) { | |
816 | ulong addr = simple_strtoul (argv[2], NULL, 16); | |
817 | ulong off = simple_strtoul (argv[3], NULL, 16); | |
818 | ulong size = simple_strtoul (argv[4], NULL, 16); | |
819 | int cmd = (strncmp (argv[1], "read", 4) == 0) ? | |
820 | NANDRW_READ : NANDRW_WRITE; | |
821 | int ret, total; | |
822 | char *cmdtail = strchr (argv[1], '.'); | |
823 | ||
824 | if (cmdtail && !strncmp (cmdtail, ".oob", 2)) { | |
825 | /* read out-of-band data */ | |
826 | if (cmd & NANDRW_READ) { | |
827 | ret = nand_read_oob (nand_dev_desc + curr_device, | |
828 | off, size, (size_t *) & total, | |
829 | (u_char *) addr); | |
830 | } else { | |
831 | ret = nand_write_oob (nand_dev_desc + curr_device, | |
832 | off, size, (size_t *) & total, | |
833 | (u_char *) addr); | |
834 | } | |
835 | return ret; | |
836 | } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) | |
837 | cmd |= NANDRW_JFFS2; /* skip bad blocks */ | |
838 | else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 2)) { | |
839 | cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ | |
840 | if (cmd & NANDRW_READ) | |
841 | cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ | |
842 | } | |
843 | #ifdef SXNI855T | |
844 | /* need ".e" same as ".j" for compatibility with older units */ | |
845 | else if (cmdtail && !strcmp (cmdtail, ".e")) | |
846 | cmd |= NANDRW_JFFS2; /* skip bad blocks */ | |
847 | #endif | |
848 | #ifdef CFG_NAND_SKIP_BAD_DOT_I | |
849 | /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ | |
850 | /* ".i" for image -> read skips bad block (no 0xff) */ | |
851 | else if (cmdtail && !strcmp (cmdtail, ".i")) { | |
852 | cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ | |
853 | if (cmd & NANDRW_READ) | |
854 | cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ | |
855 | } | |
856 | #endif /* CFG_NAND_SKIP_BAD_DOT_I */ | |
857 | else if (cmdtail) { | |
858 | printf ("Usage:\n%s\n", cmdtp->usage); | |
859 | return 1; | |
860 | } | |
861 | ||
862 | printf ("\nNAND %s: device %d offset %ld, size %ld ...\n", | |
863 | (cmd & NANDRW_READ) ? "read" : "write", | |
864 | curr_device, off, size); | |
865 | ||
866 | ret = nand_legacy_rw (nand_dev_desc + curr_device, | |
867 | cmd, off, size, | |
868 | (size_t *) & total, | |
869 | (u_char *) addr); | |
870 | ||
871 | printf (" %d bytes %s: %s\n", total, | |
872 | (cmd & NANDRW_READ) ? "read" : "written", | |
873 | ret ? "ERROR" : "OK"); | |
874 | ||
875 | return ret; | |
876 | } else if (strcmp (argv[1], "erase") == 0 && | |
877 | (argc == 4 || strcmp ("clean", argv[2]) == 0)) { | |
878 | int clean = argc == 5; | |
879 | ulong off = | |
880 | simple_strtoul (argv[2 + clean], NULL, 16); | |
881 | ulong size = | |
882 | simple_strtoul (argv[3 + clean], NULL, 16); | |
883 | int ret; | |
884 | ||
885 | printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", | |
886 | curr_device, off, size); | |
887 | ||
888 | ret = nand_legacy_erase (nand_dev_desc + curr_device, | |
889 | off, size, clean); | |
890 | ||
891 | printf ("%s\n", ret ? "ERROR" : "OK"); | |
892 | ||
893 | return ret; | |
894 | } else { | |
895 | printf ("Usage:\n%s\n", cmdtp->usage); | |
896 | rcode = 1; | |
897 | } | |
898 | ||
899 | return rcode; | |
900 | } | |
901 | } | |
902 | ||
903 | U_BOOT_CMD( | |
904 | nand, 5, 1, do_nand, | |
905 | "nand - legacy NAND sub-system\n", | |
906 | "info - show available NAND devices\n" | |
907 | "nand device [dev] - show or set current device\n" | |
908 | "nand read[.jffs2[s]] addr off size\n" | |
909 | "nand write[.jffs2] addr off size - read/write `size' bytes starting\n" | |
910 | " at offset `off' to/from memory address `addr'\n" | |
911 | "nand erase [clean] [off size] - erase `size' bytes from\n" | |
912 | " offset `off' (entire device if not specified)\n" | |
913 | "nand bad - show bad blocks\n" | |
914 | "nand read.oob addr off size - read out-of-band data\n" | |
915 | "nand write.oob addr off size - read out-of-band data\n" | |
916 | ); | |
917 | ||
918 | int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
919 | { | |
920 | char *boot_device = NULL; | |
921 | char *ep; | |
922 | int dev; | |
923 | ulong cnt; | |
924 | ulong addr; | |
925 | ulong offset = 0; | |
926 | image_header_t *hdr; | |
927 | int rcode = 0; | |
928 | show_boot_progress (52); | |
929 | switch (argc) { | |
930 | case 1: | |
931 | addr = CFG_LOAD_ADDR; | |
932 | boot_device = getenv ("bootdevice"); | |
933 | break; | |
934 | case 2: | |
935 | addr = simple_strtoul(argv[1], NULL, 16); | |
936 | boot_device = getenv ("bootdevice"); | |
937 | break; | |
938 | case 3: | |
939 | addr = simple_strtoul(argv[1], NULL, 16); | |
940 | boot_device = argv[2]; | |
941 | break; | |
942 | case 4: | |
943 | addr = simple_strtoul(argv[1], NULL, 16); | |
944 | boot_device = argv[2]; | |
945 | offset = simple_strtoul(argv[3], NULL, 16); | |
946 | break; | |
947 | default: | |
948 | printf ("Usage:\n%s\n", cmdtp->usage); | |
949 | show_boot_progress (-53); | |
950 | return 1; | |
951 | } | |
952 | ||
953 | show_boot_progress (53); | |
954 | if (!boot_device) { | |
955 | puts ("\n** No boot device **\n"); | |
956 | show_boot_progress (-54); | |
957 | return 1; | |
958 | } | |
959 | show_boot_progress (54); | |
960 | ||
961 | dev = simple_strtoul(boot_device, &ep, 16); | |
962 | ||
963 | if ((dev >= CFG_MAX_NAND_DEVICE) || | |
964 | (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) { | |
965 | printf ("\n** Device %d not available\n", dev); | |
966 | show_boot_progress (-55); | |
967 | return 1; | |
968 | } | |
969 | show_boot_progress (55); | |
970 | ||
971 | printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n", | |
972 | dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR, | |
973 | offset); | |
974 | ||
975 | if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset, | |
976 | SECTORSIZE, NULL, (u_char *)addr)) { | |
977 | printf ("** Read error on %d\n", dev); | |
978 | show_boot_progress (-56); | |
979 | return 1; | |
980 | } | |
981 | show_boot_progress (56); | |
982 | ||
983 | hdr = (image_header_t *)addr; | |
984 | ||
985 | if (image_check_magic (hdr)) { | |
986 | ||
987 | image_print_contents (hdr); | |
988 | ||
989 | cnt = image_get_image_size (hdr); | |
990 | cnt -= SECTORSIZE; | |
991 | } else { | |
992 | printf ("\n** Bad Magic Number 0x%x **\n", image_get_magic (hdr)); | |
993 | show_boot_progress (-57); | |
994 | return 1; | |
995 | } | |
996 | show_boot_progress (57); | |
997 | ||
998 | if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, | |
999 | offset + SECTORSIZE, cnt, NULL, | |
1000 | (u_char *)(addr+SECTORSIZE))) { | |
1001 | printf ("** Read error on %d\n", dev); | |
1002 | show_boot_progress (-58); | |
1003 | return 1; | |
1004 | } | |
1005 | show_boot_progress (58); | |
1006 | ||
1007 | /* Loading ok, update default load address */ | |
1008 | ||
1009 | load_addr = addr; | |
1010 | ||
1011 | /* Check if we should attempt an auto-start */ | |
1012 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
1013 | char *local_args[2]; | |
1014 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
1015 | ||
1016 | local_args[0] = argv[0]; | |
1017 | local_args[1] = NULL; | |
1018 | ||
1019 | printf ("Automatic boot of image at addr 0x%08lx ...\n", addr); | |
1020 | ||
1021 | do_bootm (cmdtp, 0, 1, local_args); | |
1022 | rcode = 1; | |
1023 | } | |
1024 | return rcode; | |
1025 | } | |
1026 | ||
1027 | U_BOOT_CMD( | |
1028 | nboot, 4, 1, do_nandboot, | |
1029 | "nboot - boot from NAND device\n", | |
1030 | "loadAddr dev\n" | |
1031 | ); | |
1032 | ||
1033 | #endif | |
1034 | ||
1035 | #endif /* CFG_NAND_LEGACY */ |