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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 WD |
6 | * |
7 | * Added 16-bit nand support | |
8 | * (C) 2004 Texas Instruments | |
dc7c9a1a WD |
9 | */ |
10 | ||
11 | #include <common.h> | |
addb2e16 BS |
12 | |
13 | ||
14 | #ifndef CFG_NAND_LEGACY | |
15 | /* | |
16 | * | |
17 | * New NAND support | |
18 | * | |
19 | */ | |
20 | #include <common.h> | |
21 | ||
c76fe474 | 22 | #if defined(CONFIG_CMD_NAND) |
addb2e16 BS |
23 | |
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 | ||
c76fe474 | 31 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
856f0544 SR |
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 | ||
addb2e16 BS |
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 | ||
856f0544 | 87 | static inline int str2long(char *p, ulong *num) |
addb2e16 | 88 | { |
856f0544 | 89 | char *endptr; |
addb2e16 | 90 | |
856f0544 SR |
91 | *num = simple_strtoul(p, &endptr, 16); |
92 | return (*p != '\0' && *endptr == '\0') ? 1 : 0; | |
93 | } | |
addb2e16 | 94 | |
856f0544 SR |
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; | |
c76fe474 | 99 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
856f0544 SR |
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; | |
addb2e16 | 125 | } |
856f0544 | 126 | } |
addb2e16 | 127 | #endif |
addb2e16 | 128 | |
856f0544 SR |
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 | } | |
addb2e16 | 137 | |
856f0544 SR |
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; | |
addb2e16 BS |
145 | } |
146 | ||
c76fe474 | 147 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
856f0544 SR |
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; | |
addb2e16 BS |
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; | |
2255b2d2 SR |
164 | int quiet = 0; |
165 | const char *quiet_str = getenv("quiet"); | |
addb2e16 BS |
166 | |
167 | /* at least two arguments please */ | |
168 | if (argc < 2) | |
169 | goto usage; | |
170 | ||
2255b2d2 SR |
171 | if (quiet_str) |
172 | quiet = simple_strtoul(quiet_str, NULL, 0) != 0; | |
173 | ||
addb2e16 BS |
174 | cmd = argv[1]; |
175 | ||
176 | if (strcmp(cmd, "info") == 0) { | |
177 | ||
178 | putc('\n'); | |
179 | for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) { | |
180 | if (nand_info[i].name) | |
181 | printf("Device %d: %s, sector size %lu KiB\n", | |
182 | i, nand_info[i].name, | |
183 | nand_info[i].erasesize >> 10); | |
184 | } | |
185 | return 0; | |
186 | } | |
187 | ||
188 | if (strcmp(cmd, "device") == 0) { | |
189 | ||
190 | if (argc < 3) { | |
191 | if ((nand_curr_device < 0) || | |
192 | (nand_curr_device >= CFG_MAX_NAND_DEVICE)) | |
193 | puts("\nno devices available\n"); | |
194 | else | |
195 | printf("\nDevice %d: %s\n", nand_curr_device, | |
196 | nand_info[nand_curr_device].name); | |
197 | return 0; | |
198 | } | |
199 | dev = (int)simple_strtoul(argv[2], NULL, 10); | |
200 | if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) { | |
201 | puts("No such device\n"); | |
202 | return 1; | |
203 | } | |
204 | printf("Device %d: %s", dev, nand_info[dev].name); | |
205 | puts("... is now current device\n"); | |
206 | nand_curr_device = dev; | |
43a2b0e7 SR |
207 | |
208 | #ifdef CFG_NAND_SELECT_DEVICE | |
209 | /* | |
210 | * Select the chip in the board/cpu specific driver | |
211 | */ | |
212 | board_nand_select_device(nand_info[dev].priv, dev); | |
213 | #endif | |
214 | ||
addb2e16 BS |
215 | return 0; |
216 | } | |
217 | ||
218 | if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 && | |
219 | strncmp(cmd, "dump", 4) != 0 && | |
2255b2d2 SR |
220 | strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 && |
221 | strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 && | |
222 | strcmp(cmd, "biterr") != 0 && | |
223 | strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 ) | |
addb2e16 BS |
224 | goto usage; |
225 | ||
226 | /* the following commands operate on the current device */ | |
227 | if (nand_curr_device < 0 || nand_curr_device >= CFG_MAX_NAND_DEVICE || | |
228 | !nand_info[nand_curr_device].name) { | |
229 | puts("\nno devices available\n"); | |
230 | return 1; | |
231 | } | |
232 | nand = &nand_info[nand_curr_device]; | |
233 | ||
234 | if (strcmp(cmd, "bad") == 0) { | |
235 | printf("\nDevice %d bad blocks:\n", nand_curr_device); | |
236 | for (off = 0; off < nand->size; off += nand->erasesize) | |
237 | if (nand_block_isbad(nand, off)) | |
238 | printf(" %08x\n", off); | |
239 | return 0; | |
240 | } | |
241 | ||
856f0544 SR |
242 | /* |
243 | * Syntax is: | |
244 | * 0 1 2 3 4 | |
245 | * nand erase [clean] [off size] | |
246 | */ | |
2255b2d2 SR |
247 | if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) { |
248 | nand_erase_options_t opts; | |
856f0544 SR |
249 | /* "clean" at index 2 means request to write cleanmarker */ |
250 | int clean = argc > 2 && !strcmp("clean", argv[2]); | |
251 | int o = clean ? 3 : 2; | |
2255b2d2 SR |
252 | int scrub = !strcmp(cmd, "scrub"); |
253 | ||
856f0544 SR |
254 | printf("\nNAND %s: ", scrub ? "scrub" : "erase"); |
255 | /* skip first two or three arguments, look for offset and size */ | |
256 | if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0) | |
257 | return 1; | |
2255b2d2 SR |
258 | |
259 | memset(&opts, 0, sizeof(opts)); | |
260 | opts.offset = off; | |
261 | opts.length = size; | |
262 | opts.jffs2 = clean; | |
263 | opts.quiet = quiet; | |
264 | ||
265 | if (scrub) { | |
856f0544 SR |
266 | puts("Warning: " |
267 | "scrub option will erase all factory set " | |
268 | "bad blocks!\n" | |
269 | " " | |
270 | "There is no reliable way to recover them.\n" | |
271 | " " | |
272 | "Use this command only for testing purposes " | |
273 | "if you\n" | |
274 | " " | |
275 | "are sure of what you are doing!\n" | |
276 | "\nReally scrub this NAND flash? <y/N>\n"); | |
2255b2d2 SR |
277 | |
278 | if (getc() == 'y' && getc() == '\r') { | |
279 | opts.scrub = 1; | |
280 | } else { | |
856f0544 | 281 | puts("scrub aborted\n"); |
2255b2d2 SR |
282 | return -1; |
283 | } | |
284 | } | |
285 | ret = nand_erase_opts(nand, &opts); | |
addb2e16 BS |
286 | printf("%s\n", ret ? "ERROR" : "OK"); |
287 | ||
288 | return ret == 0 ? 0 : 1; | |
289 | } | |
290 | ||
291 | if (strncmp(cmd, "dump", 4) == 0) { | |
292 | if (argc < 3) | |
293 | goto usage; | |
294 | ||
295 | s = strchr(cmd, '.'); | |
296 | off = (int)simple_strtoul(argv[2], NULL, 16); | |
297 | ||
298 | if (s != NULL && strcmp(s, ".oob") == 0) | |
299 | ret = nand_dump_oob(nand, off); | |
300 | else | |
301 | ret = nand_dump(nand, off); | |
302 | ||
303 | return ret == 0 ? 1 : 0; | |
304 | ||
305 | } | |
306 | ||
307 | /* read write */ | |
308 | if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { | |
2255b2d2 SR |
309 | int read; |
310 | ||
addb2e16 BS |
311 | if (argc < 4) |
312 | goto usage; | |
2255b2d2 | 313 | |
addb2e16 BS |
314 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); |
315 | ||
2255b2d2 | 316 | read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ |
856f0544 SR |
317 | printf("\nNAND %s: ", read ? "read" : "write"); |
318 | if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0) | |
319 | return 1; | |
addb2e16 | 320 | |
2255b2d2 SR |
321 | s = strchr(cmd, '.'); |
322 | if (s != NULL && | |
323 | (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) { | |
324 | if (read) { | |
325 | /* read */ | |
326 | nand_read_options_t opts; | |
327 | memset(&opts, 0, sizeof(opts)); | |
328 | opts.buffer = (u_char*) addr; | |
329 | opts.length = size; | |
330 | opts.offset = off; | |
331 | opts.quiet = quiet; | |
332 | ret = nand_read_opts(nand, &opts); | |
333 | } else { | |
334 | /* write */ | |
335 | nand_write_options_t opts; | |
336 | memset(&opts, 0, sizeof(opts)); | |
337 | opts.buffer = (u_char*) addr; | |
338 | opts.length = size; | |
339 | opts.offset = off; | |
340 | /* opts.forcejffs2 = 1; */ | |
341 | opts.pad = 1; | |
342 | opts.blockalign = 1; | |
343 | opts.quiet = quiet; | |
344 | ret = nand_write_opts(nand, &opts); | |
345 | } | |
856f0544 SR |
346 | } else { |
347 | if (read) | |
348 | ret = nand_read(nand, off, &size, (u_char *)addr); | |
349 | else | |
350 | ret = nand_write(nand, off, &size, (u_char *)addr); | |
2255b2d2 SR |
351 | } |
352 | ||
addb2e16 | 353 | printf(" %d bytes %s: %s\n", size, |
2255b2d2 | 354 | read ? "read" : "written", ret ? "ERROR" : "OK"); |
addb2e16 BS |
355 | |
356 | return ret == 0 ? 0 : 1; | |
357 | } | |
2255b2d2 | 358 | |
2255b2d2 SR |
359 | if (strcmp(cmd, "markbad") == 0) { |
360 | addr = (ulong)simple_strtoul(argv[2], NULL, 16); | |
361 | ||
362 | int ret = nand->block_markbad(nand, addr); | |
363 | if (ret == 0) { | |
364 | printf("block 0x%08lx successfully marked as bad\n", | |
365 | (ulong) addr); | |
366 | return 0; | |
367 | } else { | |
368 | printf("block 0x%08lx NOT marked as bad! ERROR %d\n", | |
369 | (ulong) addr, ret); | |
370 | } | |
371 | return 1; | |
372 | } | |
373 | if (strcmp(cmd, "biterr") == 0) { | |
374 | /* todo */ | |
375 | return 1; | |
376 | } | |
377 | ||
378 | if (strcmp(cmd, "lock") == 0) { | |
379 | int tight = 0; | |
380 | int status = 0; | |
381 | if (argc == 3) { | |
382 | if (!strcmp("tight", argv[2])) | |
383 | tight = 1; | |
384 | if (!strcmp("status", argv[2])) | |
385 | status = 1; | |
386 | } | |
387 | ||
388 | if (status) { | |
389 | ulong block_start = 0; | |
390 | ulong off; | |
391 | int last_status = -1; | |
392 | ||
393 | struct nand_chip *nand_chip = nand->priv; | |
394 | /* check the WP bit */ | |
395 | nand_chip->cmdfunc (nand, NAND_CMD_STATUS, -1, -1); | |
396 | printf("device is %swrite protected\n", | |
397 | (nand_chip->read_byte(nand) & 0x80 ? | |
398 | "NOT " : "" ) ); | |
399 | ||
400 | for (off = 0; off < nand->size; off += nand->oobblock) { | |
401 | int s = nand_get_lock_status(nand, off); | |
402 | ||
403 | /* print message only if status has changed | |
404 | * or at end of chip | |
405 | */ | |
406 | if (off == nand->size - nand->oobblock | |
407 | || (s != last_status && off != 0)) { | |
408 | ||
409 | printf("%08x - %08x: %8d pages %s%s%s\n", | |
410 | block_start, | |
411 | off-1, | |
412 | (off-block_start)/nand->oobblock, | |
413 | ((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""), | |
414 | ((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""), | |
415 | ((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : "")); | |
416 | } | |
417 | ||
418 | last_status = s; | |
419 | } | |
420 | } else { | |
421 | if (!nand_lock(nand, tight)) { | |
856f0544 | 422 | puts("NAND flash successfully locked\n"); |
2255b2d2 | 423 | } else { |
856f0544 | 424 | puts("Error locking NAND flash\n"); |
2255b2d2 SR |
425 | return 1; |
426 | } | |
427 | } | |
428 | return 0; | |
429 | } | |
430 | ||
431 | if (strcmp(cmd, "unlock") == 0) { | |
856f0544 SR |
432 | if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0) |
433 | return 1; | |
2255b2d2 SR |
434 | |
435 | if (!nand_unlock(nand, off, size)) { | |
856f0544 | 436 | puts("NAND flash successfully unlocked\n"); |
2255b2d2 | 437 | } else { |
856f0544 SR |
438 | puts("Error unlocking NAND flash, " |
439 | "write and erase will probably fail\n"); | |
2255b2d2 SR |
440 | return 1; |
441 | } | |
442 | return 0; | |
443 | } | |
444 | ||
addb2e16 BS |
445 | usage: |
446 | printf("Usage:\n%s\n", cmdtp->usage); | |
447 | return 1; | |
448 | } | |
449 | ||
450 | U_BOOT_CMD(nand, 5, 1, do_nand, | |
451 | "nand - NAND sub-system\n", | |
452 | "info - show available NAND devices\n" | |
453 | "nand device [dev] - show or set current device\n" | |
856f0544 SR |
454 | "nand read[.jffs2] - addr off|partition size\n" |
455 | "nand write[.jffs2] - addr off|partiton size - read/write `size' bytes starting\n" | |
addb2e16 BS |
456 | " at offset `off' to/from memory address `addr'\n" |
457 | "nand erase [clean] [off size] - erase `size' bytes from\n" | |
458 | " offset `off' (entire device if not specified)\n" | |
459 | "nand bad - show bad blocks\n" | |
460 | "nand dump[.oob] off - dump page\n" | |
461 | "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" | |
462 | "nand markbad off - mark bad block at offset (UNSAFE)\n" | |
2255b2d2 SR |
463 | "nand biterr off - make a bit error at offset (UNSAFE)\n" |
464 | "nand lock [tight] [status] - bring nand to lock state or display locked pages\n" | |
465 | "nand unlock [offset] [size] - unlock section\n"); | |
addb2e16 | 466 | |
856f0544 SR |
467 | static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand, |
468 | ulong offset, ulong addr, char *cmd) | |
addb2e16 | 469 | { |
addb2e16 | 470 | int r; |
10e03893 | 471 | char *ep, *s; |
856f0544 | 472 | ulong cnt; |
addb2e16 | 473 | image_header_t *hdr; |
10e03893 TK |
474 | int jffs2 = 0; |
475 | ||
476 | s = strchr(cmd, '.'); | |
477 | if (s != NULL && | |
478 | (!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) | |
479 | jffs2 = 1; | |
addb2e16 | 480 | |
856f0544 | 481 | printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset); |
addb2e16 BS |
482 | |
483 | cnt = nand->oobblock; | |
10e03893 TK |
484 | if (jffs2) { |
485 | nand_read_options_t opts; | |
486 | memset(&opts, 0, sizeof(opts)); | |
487 | opts.buffer = (u_char*) addr; | |
488 | opts.length = cnt; | |
489 | opts.offset = offset; | |
490 | opts.quiet = 1; | |
491 | r = nand_read_opts(nand, &opts); | |
492 | } else { | |
493 | r = nand_read(nand, offset, &cnt, (u_char *) addr); | |
494 | } | |
495 | ||
addb2e16 | 496 | if (r) { |
856f0544 | 497 | puts("** Read error\n"); |
fad63407 | 498 | show_boot_progress (-56); |
addb2e16 BS |
499 | return 1; |
500 | } | |
fad63407 | 501 | show_boot_progress (56); |
addb2e16 BS |
502 | |
503 | hdr = (image_header_t *) addr; | |
504 | ||
505 | if (ntohl(hdr->ih_magic) != IH_MAGIC) { | |
506 | printf("\n** Bad Magic Number 0x%x **\n", hdr->ih_magic); | |
fad63407 | 507 | show_boot_progress (-57); |
addb2e16 BS |
508 | return 1; |
509 | } | |
fad63407 | 510 | show_boot_progress (57); |
addb2e16 BS |
511 | |
512 | print_image_hdr(hdr); | |
513 | ||
514 | cnt = (ntohl(hdr->ih_size) + sizeof (image_header_t)); | |
10e03893 TK |
515 | if (jffs2) { |
516 | nand_read_options_t opts; | |
517 | memset(&opts, 0, sizeof(opts)); | |
518 | opts.buffer = (u_char*) addr; | |
519 | opts.length = cnt; | |
520 | opts.offset = offset; | |
521 | opts.quiet = 1; | |
522 | r = nand_read_opts(nand, &opts); | |
523 | } else { | |
524 | r = nand_read(nand, offset, &cnt, (u_char *) addr); | |
525 | } | |
addb2e16 | 526 | |
addb2e16 | 527 | if (r) { |
856f0544 | 528 | puts("** Read error\n"); |
fad63407 | 529 | show_boot_progress (-58); |
addb2e16 BS |
530 | return 1; |
531 | } | |
fad63407 | 532 | show_boot_progress (58); |
addb2e16 BS |
533 | |
534 | /* Loading ok, update default load address */ | |
535 | ||
536 | load_addr = addr; | |
537 | ||
538 | /* Check if we should attempt an auto-start */ | |
539 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { | |
540 | char *local_args[2]; | |
541 | extern int do_bootm(cmd_tbl_t *, int, int, char *[]); | |
542 | ||
856f0544 | 543 | local_args[0] = cmd; |
addb2e16 BS |
544 | local_args[1] = NULL; |
545 | ||
546 | printf("Automatic boot of image at addr 0x%08lx ...\n", addr); | |
547 | ||
548 | do_bootm(cmdtp, 0, 1, local_args); | |
549 | return 1; | |
550 | } | |
551 | return 0; | |
552 | } | |
553 | ||
856f0544 SR |
554 | int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
555 | { | |
556 | char *boot_device = NULL; | |
557 | int idx; | |
558 | ulong addr, offset = 0; | |
c76fe474 | 559 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
856f0544 SR |
560 | struct mtd_device *dev; |
561 | struct part_info *part; | |
562 | u8 pnum; | |
563 | ||
564 | if (argc >= 2) { | |
565 | char *p = (argc == 2) ? argv[1] : argv[2]; | |
566 | if (!(str2long(p, &addr)) && (mtdparts_init() == 0) && | |
567 | (find_dev_and_part(p, &dev, &pnum, &part) == 0)) { | |
568 | if (dev->id->type != MTD_DEV_TYPE_NAND) { | |
569 | puts("Not a NAND device\n"); | |
570 | return 1; | |
571 | } | |
572 | if (argc > 3) | |
573 | goto usage; | |
574 | if (argc == 3) | |
10e03893 | 575 | addr = simple_strtoul(argv[1], NULL, 16); |
856f0544 SR |
576 | else |
577 | addr = CFG_LOAD_ADDR; | |
578 | return nand_load_image(cmdtp, &nand_info[dev->id->num], | |
579 | part->offset, addr, argv[0]); | |
580 | } | |
581 | } | |
582 | #endif | |
583 | ||
fad63407 | 584 | show_boot_progress(52); |
856f0544 SR |
585 | switch (argc) { |
586 | case 1: | |
587 | addr = CFG_LOAD_ADDR; | |
588 | boot_device = getenv("bootdevice"); | |
589 | break; | |
590 | case 2: | |
591 | addr = simple_strtoul(argv[1], NULL, 16); | |
592 | boot_device = getenv("bootdevice"); | |
593 | break; | |
594 | case 3: | |
595 | addr = simple_strtoul(argv[1], NULL, 16); | |
596 | boot_device = argv[2]; | |
597 | break; | |
598 | case 4: | |
599 | addr = simple_strtoul(argv[1], NULL, 16); | |
600 | boot_device = argv[2]; | |
601 | offset = simple_strtoul(argv[3], NULL, 16); | |
602 | break; | |
603 | default: | |
c76fe474 | 604 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
856f0544 SR |
605 | usage: |
606 | #endif | |
607 | printf("Usage:\n%s\n", cmdtp->usage); | |
fad63407 | 608 | show_boot_progress(-53); |
856f0544 SR |
609 | return 1; |
610 | } | |
611 | ||
fad63407 | 612 | show_boot_progress(53); |
856f0544 SR |
613 | if (!boot_device) { |
614 | puts("\n** No boot device **\n"); | |
fad63407 | 615 | show_boot_progress(-54); |
856f0544 SR |
616 | return 1; |
617 | } | |
fad63407 | 618 | show_boot_progress(54); |
addb2e16 | 619 | |
856f0544 SR |
620 | idx = simple_strtoul(boot_device, NULL, 16); |
621 | ||
622 | if (idx < 0 || idx >= CFG_MAX_NAND_DEVICE || !nand_info[idx].name) { | |
623 | printf("\n** Device %d not available\n", idx); | |
fad63407 | 624 | show_boot_progress(-55); |
856f0544 SR |
625 | return 1; |
626 | } | |
fad63407 | 627 | show_boot_progress(55); |
856f0544 SR |
628 | |
629 | return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]); | |
630 | } | |
631 | ||
632 | U_BOOT_CMD(nboot, 4, 1, do_nandboot, | |
633 | "nboot - boot from NAND device\n", | |
10e03893 | 634 | "[.jffs2] [partition] | [[[loadAddr] dev] offset]\n"); |
addb2e16 | 635 | |
c76fe474 | 636 | #endif |
addb2e16 BS |
637 | |
638 | #else /* CFG_NAND_LEGACY */ | |
639 | /* | |
640 | * | |
641 | * Legacy NAND support - to be phased out | |
642 | * | |
643 | */ | |
dc7c9a1a WD |
644 | #include <command.h> |
645 | #include <malloc.h> | |
646 | #include <asm/io.h> | |
a3d991bd | 647 | #include <watchdog.h> |
dc7c9a1a | 648 | |
fad63407 | 649 | #ifdef CONFIG_show_boot_progress |
dc7c9a1a | 650 | # include <status_led.h> |
fad63407 | 651 | # define show_boot_progress(arg) show_boot_progress(arg) |
dc7c9a1a | 652 | #else |
fad63407 | 653 | # define show_boot_progress(arg) |
dc7c9a1a WD |
654 | #endif |
655 | ||
c76fe474 | 656 | #if defined(CONFIG_CMD_NAND) |
addb2e16 BS |
657 | #include <linux/mtd/nand_legacy.h> |
658 | #if 0 | |
dc7c9a1a | 659 | #include <linux/mtd/nand_ids.h> |
7a8e9bed | 660 | #include <jffs2/jffs2.h> |
addb2e16 | 661 | #endif |
dc7c9a1a | 662 | |
1f4bb37d WD |
663 | #ifdef CONFIG_OMAP1510 |
664 | void archflashwp(void *archdata, int wp); | |
665 | #endif | |
666 | ||
667 | #define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) | |
668 | ||
a43278a4 | 669 | #undef NAND_DEBUG |
dc7c9a1a | 670 | #undef PSYCHO_DEBUG |
7a8e9bed WD |
671 | |
672 | /* ****************** WARNING ********************* | |
673 | * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will | |
674 | * erase (or at least attempt to erase) blocks that are marked | |
675 | * bad. This can be very handy if you are _sure_ that the block | |
676 | * is OK, say because you marked a good block bad to test bad | |
677 | * block handling and you are done testing, or if you have | |
678 | * accidentally marked blocks bad. | |
679 | * | |
680 | * Erasing factory marked bad blocks is a _bad_ idea. If the | |
681 | * erase succeeds there is no reliable way to find them again, | |
682 | * and attempting to program or erase bad blocks can affect | |
683 | * the data in _other_ (good) blocks. | |
684 | */ | |
685 | #define ALLOW_ERASE_BAD_DEBUG 0 | |
dc7c9a1a WD |
686 | |
687 | #define CONFIG_MTD_NAND_ECC /* enable ECC */ | |
1f4bb37d | 688 | #define CONFIG_MTD_NAND_ECC_JFFS2 |
dc7c9a1a | 689 | |
addb2e16 | 690 | /* bits for nand_legacy_rw() `cmd'; or together as needed */ |
7a8e9bed WD |
691 | #define NANDRW_READ 0x01 |
692 | #define NANDRW_WRITE 0x00 | |
693 | #define NANDRW_JFFS2 0x02 | |
a3d991bd | 694 | #define NANDRW_JFFS2_SKIP 0x04 |
7a8e9bed | 695 | |
addb2e16 BS |
696 | /* |
697 | * Imports from nand_legacy.c | |
698 | */ | |
699 | extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; | |
700 | extern int curr_device; | |
701 | extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, | |
702 | size_t len, int clean); | |
703 | extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start, | |
704 | size_t len, size_t *retlen, u_char *buf); | |
705 | extern void nand_print(struct nand_chip *nand); | |
706 | extern void nand_print_bad(struct nand_chip *nand); | |
707 | extern int nand_read_oob(struct nand_chip *nand, size_t ofs, | |
708 | size_t len, size_t *retlen, u_char *buf); | |
709 | extern int nand_write_oob(struct nand_chip *nand, size_t ofs, | |
710 | size_t len, size_t *retlen, const u_char *buf); | |
dc7c9a1a | 711 | |
dc7c9a1a | 712 | |
dd520bf3 | 713 | int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
dc7c9a1a | 714 | { |
dd520bf3 | 715 | int rcode = 0; |
dc7c9a1a | 716 | |
dd520bf3 WD |
717 | switch (argc) { |
718 | case 0: | |
719 | case 1: | |
720 | printf ("Usage:\n%s\n", cmdtp->usage); | |
721 | return 1; | |
722 | case 2: | |
723 | if (strcmp (argv[1], "info") == 0) { | |
724 | int i; | |
dc7c9a1a | 725 | |
dd520bf3 | 726 | putc ('\n'); |
dc7c9a1a | 727 | |
dd520bf3 WD |
728 | for (i = 0; i < CFG_MAX_NAND_DEVICE; ++i) { |
729 | if (nand_dev_desc[i].ChipID == | |
730 | NAND_ChipID_UNKNOWN) | |
731 | continue; /* list only known devices */ | |
732 | printf ("Device %d: ", i); | |
733 | nand_print (&nand_dev_desc[i]); | |
734 | } | |
735 | return 0; | |
7a8e9bed | 736 | |
dd520bf3 WD |
737 | } else if (strcmp (argv[1], "device") == 0) { |
738 | if ((curr_device < 0) | |
739 | || (curr_device >= CFG_MAX_NAND_DEVICE)) { | |
740 | puts ("\nno devices available\n"); | |
741 | return 1; | |
742 | } | |
743 | printf ("\nDevice %d: ", curr_device); | |
744 | nand_print (&nand_dev_desc[curr_device]); | |
745 | return 0; | |
7a8e9bed | 746 | |
dd520bf3 WD |
747 | } else if (strcmp (argv[1], "bad") == 0) { |
748 | if ((curr_device < 0) | |
749 | || (curr_device >= CFG_MAX_NAND_DEVICE)) { | |
750 | puts ("\nno devices available\n"); | |
751 | return 1; | |
752 | } | |
753 | printf ("\nDevice %d bad blocks:\n", curr_device); | |
754 | nand_print_bad (&nand_dev_desc[curr_device]); | |
755 | return 0; | |
dc7c9a1a | 756 | |
dc7c9a1a | 757 | } |
dd520bf3 WD |
758 | printf ("Usage:\n%s\n", cmdtp->usage); |
759 | return 1; | |
760 | case 3: | |
761 | if (strcmp (argv[1], "device") == 0) { | |
762 | int dev = (int) simple_strtoul (argv[2], NULL, 10); | |
dc7c9a1a | 763 | |
dd520bf3 WD |
764 | printf ("\nDevice %d: ", dev); |
765 | if (dev >= CFG_MAX_NAND_DEVICE) { | |
766 | puts ("unknown device\n"); | |
767 | return 1; | |
768 | } | |
769 | nand_print (&nand_dev_desc[dev]); | |
770 | /*nand_print (dev); */ | |
dc7c9a1a | 771 | |
dd520bf3 WD |
772 | if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { |
773 | return 1; | |
774 | } | |
dc7c9a1a | 775 | |
dd520bf3 | 776 | curr_device = dev; |
dc7c9a1a | 777 | |
dd520bf3 | 778 | puts ("... is now current device\n"); |
7a8e9bed | 779 | |
dd520bf3 WD |
780 | return 0; |
781 | } else if (strcmp (argv[1], "erase") == 0 | |
782 | && strcmp (argv[2], "clean") == 0) { | |
783 | struct nand_chip *nand = &nand_dev_desc[curr_device]; | |
784 | ulong off = 0; | |
785 | ulong size = nand->totlen; | |
786 | int ret; | |
7a8e9bed | 787 | |
dd520bf3 | 788 | printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); |
7a8e9bed | 789 | |
dd520bf3 | 790 | ret = nand_legacy_erase (nand, off, size, 1); |
7a8e9bed | 791 | |
dd520bf3 | 792 | printf ("%s\n", ret ? "ERROR" : "OK"); |
dc7c9a1a | 793 | |
7a8e9bed WD |
794 | return ret; |
795 | } | |
dd520bf3 WD |
796 | |
797 | printf ("Usage:\n%s\n", cmdtp->usage); | |
798 | return 1; | |
799 | default: | |
800 | /* at least 4 args */ | |
801 | ||
802 | if (strncmp (argv[1], "read", 4) == 0 || | |
803 | strncmp (argv[1], "write", 5) == 0) { | |
804 | ulong addr = simple_strtoul (argv[2], NULL, 16); | |
805 | ulong off = simple_strtoul (argv[3], NULL, 16); | |
806 | ulong size = simple_strtoul (argv[4], NULL, 16); | |
807 | int cmd = (strncmp (argv[1], "read", 4) == 0) ? | |
808 | NANDRW_READ : NANDRW_WRITE; | |
809 | int ret, total; | |
810 | char *cmdtail = strchr (argv[1], '.'); | |
811 | ||
812 | if (cmdtail && !strncmp (cmdtail, ".oob", 2)) { | |
813 | /* read out-of-band data */ | |
814 | if (cmd & NANDRW_READ) { | |
815 | ret = nand_read_oob (nand_dev_desc + curr_device, | |
816 | off, size, (size_t *) & total, | |
817 | (u_char *) addr); | |
818 | } else { | |
819 | ret = nand_write_oob (nand_dev_desc + curr_device, | |
820 | off, size, (size_t *) & total, | |
821 | (u_char *) addr); | |
822 | } | |
823 | return ret; | |
824 | } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) | |
825 | cmd |= NANDRW_JFFS2; /* skip bad blocks */ | |
826 | else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 2)) { | |
827 | cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ | |
828 | if (cmd & NANDRW_READ) | |
829 | cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ | |
830 | } | |
7a8e9bed | 831 | #ifdef SXNI855T |
dd520bf3 WD |
832 | /* need ".e" same as ".j" for compatibility with older units */ |
833 | else if (cmdtail && !strcmp (cmdtail, ".e")) | |
834 | cmd |= NANDRW_JFFS2; /* skip bad blocks */ | |
7a8e9bed | 835 | #endif |
a842a6d2 | 836 | #ifdef CFG_NAND_SKIP_BAD_DOT_I |
dd520bf3 WD |
837 | /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ |
838 | /* ".i" for image -> read skips bad block (no 0xff) */ | |
839 | else if (cmdtail && !strcmp (cmdtail, ".i")) { | |
840 | cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ | |
841 | if (cmd & NANDRW_READ) | |
842 | cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ | |
843 | } | |
a842a6d2 | 844 | #endif /* CFG_NAND_SKIP_BAD_DOT_I */ |
dd520bf3 WD |
845 | else if (cmdtail) { |
846 | printf ("Usage:\n%s\n", cmdtp->usage); | |
847 | return 1; | |
848 | } | |
dc7c9a1a | 849 | |
dd520bf3 WD |
850 | printf ("\nNAND %s: device %d offset %ld, size %ld ...\n", |
851 | (cmd & NANDRW_READ) ? "read" : "write", | |
852 | curr_device, off, size); | |
dc7c9a1a | 853 | |
dd520bf3 WD |
854 | ret = nand_legacy_rw (nand_dev_desc + curr_device, |
855 | cmd, off, size, | |
856 | (size_t *) & total, | |
857 | (u_char *) addr); | |
dc7c9a1a | 858 | |
dd520bf3 WD |
859 | printf (" %d bytes %s: %s\n", total, |
860 | (cmd & NANDRW_READ) ? "read" : "written", | |
861 | ret ? "ERROR" : "OK"); | |
dc7c9a1a | 862 | |
dd520bf3 WD |
863 | return ret; |
864 | } else if (strcmp (argv[1], "erase") == 0 && | |
865 | (argc == 4 || strcmp ("clean", argv[2]) == 0)) { | |
866 | int clean = argc == 5; | |
867 | ulong off = | |
868 | simple_strtoul (argv[2 + clean], NULL, 16); | |
869 | ulong size = | |
870 | simple_strtoul (argv[3 + clean], NULL, 16); | |
871 | int ret; | |
dc7c9a1a | 872 | |
dd520bf3 WD |
873 | printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", |
874 | curr_device, off, size); | |
dc7c9a1a | 875 | |
dd520bf3 WD |
876 | ret = nand_legacy_erase (nand_dev_desc + curr_device, |
877 | off, size, clean); | |
dc7c9a1a | 878 | |
dd520bf3 | 879 | printf ("%s\n", ret ? "ERROR" : "OK"); |
dc7c9a1a | 880 | |
dd520bf3 WD |
881 | return ret; |
882 | } else { | |
883 | printf ("Usage:\n%s\n", cmdtp->usage); | |
884 | rcode = 1; | |
885 | } | |
dc7c9a1a | 886 | |
dd520bf3 WD |
887 | return rcode; |
888 | } | |
dc7c9a1a WD |
889 | } |
890 | ||
0d498393 WD |
891 | U_BOOT_CMD( |
892 | nand, 5, 1, do_nand, | |
2255b2d2 | 893 | "nand - legacy NAND sub-system\n", |
b0fce99b WD |
894 | "info - show available NAND devices\n" |
895 | "nand device [dev] - show or set current device\n" | |
a3d991bd | 896 | "nand read[.jffs2[s]] addr off size\n" |
b0fce99b WD |
897 | "nand write[.jffs2] addr off size - read/write `size' bytes starting\n" |
898 | " at offset `off' to/from memory address `addr'\n" | |
899 | "nand erase [clean] [off size] - erase `size' bytes from\n" | |
900 | " offset `off' (entire device if not specified)\n" | |
901 | "nand bad - show bad blocks\n" | |
902 | "nand read.oob addr off size - read out-of-band data\n" | |
903 | "nand write.oob addr off size - read out-of-band data\n" | |
904 | ); | |
905 | ||
dc7c9a1a WD |
906 | int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
907 | { | |
908 | char *boot_device = NULL; | |
909 | char *ep; | |
910 | int dev; | |
911 | ulong cnt; | |
912 | ulong addr; | |
913 | ulong offset = 0; | |
914 | image_header_t *hdr; | |
915 | int rcode = 0; | |
fad63407 | 916 | show_boot_progress (52); |
dc7c9a1a WD |
917 | switch (argc) { |
918 | case 1: | |
919 | addr = CFG_LOAD_ADDR; | |
920 | boot_device = getenv ("bootdevice"); | |
921 | break; | |
922 | case 2: | |
923 | addr = simple_strtoul(argv[1], NULL, 16); | |
924 | boot_device = getenv ("bootdevice"); | |
925 | break; | |
926 | case 3: | |
927 | addr = simple_strtoul(argv[1], NULL, 16); | |
928 | boot_device = argv[2]; | |
929 | break; | |
930 | case 4: | |
931 | addr = simple_strtoul(argv[1], NULL, 16); | |
932 | boot_device = argv[2]; | |
933 | offset = simple_strtoul(argv[3], NULL, 16); | |
934 | break; | |
935 | default: | |
936 | printf ("Usage:\n%s\n", cmdtp->usage); | |
fad63407 | 937 | show_boot_progress (-53); |
dc7c9a1a WD |
938 | return 1; |
939 | } | |
940 | ||
fad63407 | 941 | show_boot_progress (53); |
dc7c9a1a WD |
942 | if (!boot_device) { |
943 | puts ("\n** No boot device **\n"); | |
fad63407 | 944 | show_boot_progress (-54); |
dc7c9a1a WD |
945 | return 1; |
946 | } | |
fad63407 | 947 | show_boot_progress (54); |
dc7c9a1a WD |
948 | |
949 | dev = simple_strtoul(boot_device, &ep, 16); | |
950 | ||
951 | if ((dev >= CFG_MAX_NAND_DEVICE) || | |
952 | (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) { | |
953 | printf ("\n** Device %d not available\n", dev); | |
fad63407 | 954 | show_boot_progress (-55); |
dc7c9a1a WD |
955 | return 1; |
956 | } | |
fad63407 | 957 | show_boot_progress (55); |
dc7c9a1a | 958 | |
7a8e9bed | 959 | printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n", |
dc7c9a1a WD |
960 | dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR, |
961 | offset); | |
962 | ||
addb2e16 BS |
963 | if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset, |
964 | SECTORSIZE, NULL, (u_char *)addr)) { | |
dc7c9a1a | 965 | printf ("** Read error on %d\n", dev); |
fad63407 | 966 | show_boot_progress (-56); |
dc7c9a1a WD |
967 | return 1; |
968 | } | |
fad63407 | 969 | show_boot_progress (56); |
dc7c9a1a WD |
970 | |
971 | hdr = (image_header_t *)addr; | |
972 | ||
973 | if (ntohl(hdr->ih_magic) == IH_MAGIC) { | |
974 | ||
975 | print_image_hdr (hdr); | |
976 | ||
977 | cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); | |
978 | cnt -= SECTORSIZE; | |
979 | } else { | |
dc013d46 | 980 | printf ("\n** Bad Magic Number 0x%x **\n", ntohl(hdr->ih_magic)); |
fad63407 | 981 | show_boot_progress (-57); |
dc7c9a1a WD |
982 | return 1; |
983 | } | |
fad63407 | 984 | show_boot_progress (57); |
dc7c9a1a | 985 | |
addb2e16 BS |
986 | if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, |
987 | offset + SECTORSIZE, cnt, NULL, | |
988 | (u_char *)(addr+SECTORSIZE))) { | |
dc7c9a1a | 989 | printf ("** Read error on %d\n", dev); |
fad63407 | 990 | show_boot_progress (-58); |
dc7c9a1a WD |
991 | return 1; |
992 | } | |
fad63407 | 993 | show_boot_progress (58); |
dc7c9a1a WD |
994 | |
995 | /* Loading ok, update default load address */ | |
996 | ||
997 | load_addr = addr; | |
998 | ||
999 | /* Check if we should attempt an auto-start */ | |
1000 | if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { | |
1001 | char *local_args[2]; | |
1002 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
1003 | ||
1004 | local_args[0] = argv[0]; | |
1005 | local_args[1] = NULL; | |
1006 | ||
7a8e9bed | 1007 | printf ("Automatic boot of image at addr 0x%08lx ...\n", addr); |
dc7c9a1a WD |
1008 | |
1009 | do_bootm (cmdtp, 0, 1, local_args); | |
1010 | rcode = 1; | |
1011 | } | |
1012 | return rcode; | |
1013 | } | |
1014 | ||
0d498393 WD |
1015 | U_BOOT_CMD( |
1016 | nboot, 4, 1, do_nandboot, | |
b0fce99b WD |
1017 | "nboot - boot from NAND device\n", |
1018 | "loadAddr dev\n" | |
1019 | ); | |
1020 | ||
c76fe474 | 1021 | #endif |
dc7c9a1a | 1022 | |
addb2e16 | 1023 | #endif /* CFG_NAND_LEGACY */ |