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694a0b3f KP |
1 | /* |
2 | * Unsorted Block Image commands | |
3 | * | |
4 | * Copyright (C) 2008 Samsung Electronics | |
5 | * Kyungmin Park <kyungmin.park@samsung.com> | |
6 | * | |
7 | * Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <common.h> | |
15 | #include <command.h> | |
16 | #include <exports.h> | |
17 | ||
18 | #include <nand.h> | |
19 | #include <onenand_uboot.h> | |
20 | #include <linux/mtd/mtd.h> | |
21 | #include <linux/mtd/partitions.h> | |
22 | #include <ubi_uboot.h> | |
23 | #include <asm/errno.h> | |
24 | #include <jffs2/load_kernel.h> | |
25 | ||
26 | #define DEV_TYPE_NONE 0 | |
27 | #define DEV_TYPE_NAND 1 | |
28 | #define DEV_TYPE_ONENAND 2 | |
29 | ||
30 | /* Private own data */ | |
31 | static struct ubi_device *ubi; | |
32 | ||
33 | struct selected_dev { | |
34 | char dev_name[32]; /* NAND/OneNAND etc */ | |
35 | char part_name[80]; | |
36 | int type; | |
37 | int nr; | |
38 | struct mtd_info *mtd_info; | |
39 | }; | |
40 | ||
41 | static struct selected_dev ubi_dev; | |
42 | ||
43 | static void ubi_dump_vol_info(const struct ubi_volume *vol) | |
44 | { | |
45 | ubi_msg("volume information dump:"); | |
46 | ubi_msg("vol_id %d", vol->vol_id); | |
47 | ubi_msg("reserved_pebs %d", vol->reserved_pebs); | |
48 | ubi_msg("alignment %d", vol->alignment); | |
49 | ubi_msg("data_pad %d", vol->data_pad); | |
50 | ubi_msg("vol_type %d", vol->vol_type); | |
51 | ubi_msg("name_len %d", vol->name_len); | |
52 | ubi_msg("usable_leb_size %d", vol->usable_leb_size); | |
53 | ubi_msg("used_ebs %d", vol->used_ebs); | |
54 | ubi_msg("used_bytes %lld", vol->used_bytes); | |
55 | ubi_msg("last_eb_bytes %d", vol->last_eb_bytes); | |
56 | ubi_msg("corrupted %d", vol->corrupted); | |
57 | ubi_msg("upd_marker %d", vol->upd_marker); | |
58 | ||
59 | if (vol->name_len <= UBI_VOL_NAME_MAX && | |
60 | strnlen(vol->name, vol->name_len + 1) == vol->name_len) { | |
61 | ubi_msg("name %s", vol->name); | |
62 | } else { | |
63 | ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c", | |
64 | vol->name[0], vol->name[1], vol->name[2], | |
65 | vol->name[3], vol->name[4]); | |
66 | } | |
67 | printf("\n"); | |
68 | } | |
69 | ||
70 | static void display_volume_info(struct ubi_device *ubi) | |
71 | { | |
72 | int i; | |
73 | ||
74 | for (i = 0; i < (ubi->vtbl_slots + 1); i++) { | |
75 | if (!ubi->volumes[i]) | |
76 | continue; /* Empty record */ | |
77 | ubi_dump_vol_info(ubi->volumes[i]); | |
78 | } | |
79 | } | |
80 | ||
81 | static void display_ubi_info(struct ubi_device *ubi) | |
82 | { | |
83 | ubi_msg("MTD device name: \"%s\"", ubi->mtd->name); | |
84 | ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20); | |
85 | ubi_msg("physical eraseblock size: %d bytes (%d KiB)", | |
86 | ubi->peb_size, ubi->peb_size >> 10); | |
87 | ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size); | |
88 | ubi_msg("number of good PEBs: %d", ubi->good_peb_count); | |
89 | ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count); | |
90 | ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size); | |
91 | ubi_msg("VID header offset: %d (aligned %d)", | |
92 | ubi->vid_hdr_offset, ubi->vid_hdr_aloffset); | |
93 | ubi_msg("data offset: %d", ubi->leb_start); | |
94 | ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots); | |
95 | ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD); | |
96 | ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT); | |
97 | ubi_msg("number of user volumes: %d", | |
98 | ubi->vol_count - UBI_INT_VOL_COUNT); | |
99 | ubi_msg("available PEBs: %d", ubi->avail_pebs); | |
100 | ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs); | |
101 | ubi_msg("number of PEBs reserved for bad PEB handling: %d", | |
102 | ubi->beb_rsvd_pebs); | |
103 | ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec); | |
104 | } | |
105 | ||
106 | static int ubi_info(int layout) | |
107 | { | |
108 | if (layout) | |
109 | display_volume_info(ubi); | |
110 | else | |
111 | display_ubi_info(ubi); | |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
116 | static int parse_num(size_t *num, const char *token) | |
117 | { | |
118 | char *endp; | |
119 | size_t n; | |
120 | ||
121 | n = (size_t) ustrtoul(token, &endp, 0); | |
122 | if (*endp) | |
123 | return -EINVAL; | |
124 | ||
125 | *num = n; | |
126 | return 0; | |
127 | } | |
128 | ||
129 | static int verify_mkvol_req(const struct ubi_device *ubi, | |
130 | const struct ubi_mkvol_req *req) | |
131 | { | |
132 | int n, err = -EINVAL; | |
133 | ||
134 | if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 || | |
135 | req->name_len < 0) | |
136 | goto bad; | |
137 | ||
138 | if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) && | |
139 | req->vol_id != UBI_VOL_NUM_AUTO) | |
140 | goto bad; | |
141 | ||
142 | if (req->alignment == 0) | |
143 | goto bad; | |
144 | ||
145 | if (req->bytes == 0) | |
146 | goto bad; | |
147 | ||
148 | if (req->vol_type != UBI_DYNAMIC_VOLUME && | |
149 | req->vol_type != UBI_STATIC_VOLUME) | |
150 | goto bad; | |
151 | ||
152 | if (req->alignment > ubi->leb_size) | |
153 | goto bad; | |
154 | ||
155 | n = req->alignment % ubi->min_io_size; | |
156 | if (req->alignment != 1 && n) | |
157 | goto bad; | |
158 | ||
159 | if (req->name_len > UBI_VOL_NAME_MAX) { | |
160 | err = -ENAMETOOLONG; | |
161 | goto bad; | |
162 | } | |
163 | ||
164 | return 0; | |
165 | bad: | |
166 | printf("bad volume creation request"); | |
167 | return err; | |
168 | } | |
169 | ||
170 | static int ubi_create_vol(char *volume, int size, int dynamic) | |
171 | { | |
172 | struct ubi_mkvol_req req; | |
173 | int err; | |
174 | ||
175 | if (dynamic) | |
176 | req.vol_type = UBI_DYNAMIC_VOLUME; | |
177 | else | |
178 | req.vol_type = UBI_STATIC_VOLUME; | |
179 | ||
180 | req.vol_id = UBI_VOL_NUM_AUTO; | |
181 | req.alignment = 1; | |
182 | req.bytes = size; | |
183 | ||
184 | strcpy(req.name, volume); | |
185 | req.name_len = strlen(volume); | |
186 | req.name[req.name_len] = '\0'; | |
187 | req.padding1 = 0; | |
188 | /* It's duplicated at drivers/mtd/ubi/cdev.c */ | |
189 | err = verify_mkvol_req(ubi, &req); | |
190 | if (err) { | |
191 | printf("verify_mkvol_req failed %d\n", err); | |
192 | return err; | |
193 | } | |
194 | printf("Creating %s volume %s of size %d\n", | |
195 | dynamic ? "dynamic" : "static", volume, size); | |
196 | /* Call real ubi create volume */ | |
197 | return ubi_create_volume(ubi, &req); | |
198 | } | |
199 | ||
200 | static int ubi_remove_vol(char *volume) | |
201 | { | |
202 | int i, err, reserved_pebs; | |
203 | int found = 0, vol_id = 0; | |
204 | struct ubi_volume *vol; | |
205 | ||
206 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
207 | vol = ubi->volumes[i]; | |
208 | if (vol && !strcmp(vol->name, volume)) { | |
209 | printf("Volume %s found at valid %d\n", volume, i); | |
210 | vol_id = i; | |
211 | found = 1; | |
212 | break; | |
213 | } | |
214 | } | |
215 | if (!found) { | |
216 | printf("%s volume not found\n", volume); | |
217 | return -ENODEV; | |
218 | } | |
219 | printf("remove UBI volume %s (id %d)\n", vol->name, vol->vol_id); | |
220 | ||
221 | if (ubi->ro_mode) { | |
222 | printf("It's read-only mode\n"); | |
223 | err = -EROFS; | |
224 | goto out_err; | |
225 | } | |
226 | ||
227 | err = ubi_change_vtbl_record(ubi, vol_id, NULL); | |
228 | if (err) { | |
229 | printf("Error changing Vol tabel record err=%x\n", err); | |
230 | goto out_err; | |
231 | } | |
232 | reserved_pebs = vol->reserved_pebs; | |
233 | for (i = 0; i < vol->reserved_pebs; i++) { | |
234 | err = ubi_eba_unmap_leb(ubi, vol, i); | |
235 | if (err) | |
236 | goto out_err; | |
237 | } | |
238 | ||
239 | kfree(vol->eba_tbl); | |
240 | ubi->volumes[vol_id]->eba_tbl = NULL; | |
241 | ubi->volumes[vol_id] = NULL; | |
242 | ||
243 | ubi->rsvd_pebs -= reserved_pebs; | |
244 | ubi->avail_pebs += reserved_pebs; | |
245 | i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs; | |
246 | if (i > 0) { | |
247 | i = ubi->avail_pebs >= i ? i : ubi->avail_pebs; | |
248 | ubi->avail_pebs -= i; | |
249 | ubi->rsvd_pebs += i; | |
250 | ubi->beb_rsvd_pebs += i; | |
251 | if (i > 0) | |
252 | ubi_msg("reserve more %d PEBs", i); | |
253 | } | |
254 | ubi->vol_count -= 1; | |
255 | ||
256 | return 0; | |
257 | out_err: | |
258 | ubi_err("cannot remove volume %d, error %d", vol_id, err); | |
259 | return err; | |
260 | } | |
261 | ||
262 | static int ubi_volume_write(char *volume, void *buf, size_t size) | |
263 | { | |
264 | int i = 0, err = -1; | |
265 | int rsvd_bytes = 0; | |
266 | int found = 0; | |
267 | struct ubi_volume *vol; | |
268 | ||
269 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
270 | vol = ubi->volumes[i]; | |
271 | if (vol && !strcmp(vol->name, volume)) { | |
272 | printf("Volume \"%s\" found at volume id %d\n", volume, i); | |
273 | found = 1; | |
274 | break; | |
275 | } | |
276 | } | |
277 | if (!found) { | |
278 | printf("%s volume not found\n", volume); | |
279 | return 1; | |
280 | } | |
281 | rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); | |
282 | if (size < 0 || size > rsvd_bytes) { | |
283 | printf("rsvd_bytes=%d vol->reserved_pebs=%d ubi->leb_size=%d\n", | |
284 | rsvd_bytes, vol->reserved_pebs, ubi->leb_size); | |
285 | printf("vol->data_pad=%d\n", vol->data_pad); | |
286 | printf("Size > volume size !!\n"); | |
287 | return 1; | |
288 | } | |
289 | ||
290 | err = ubi_start_update(ubi, vol, size); | |
291 | if (err < 0) { | |
292 | printf("Cannot start volume update\n"); | |
293 | return err; | |
294 | } | |
295 | ||
296 | err = ubi_more_update_data(ubi, vol, buf, size); | |
297 | if (err < 0) { | |
298 | printf("Couldnt or partially wrote data \n"); | |
299 | return err; | |
300 | } | |
301 | ||
302 | if (err) { | |
303 | size = err; | |
304 | ||
305 | err = ubi_check_volume(ubi, vol->vol_id); | |
306 | if ( err < 0 ) | |
307 | return err; | |
308 | ||
309 | if (err) { | |
310 | ubi_warn("volume %d on UBI device %d is corrupted", | |
311 | vol->vol_id, ubi->ubi_num); | |
312 | vol->corrupted = 1; | |
313 | } | |
314 | ||
315 | vol->checked = 1; | |
316 | ubi_gluebi_updated(vol); | |
317 | } | |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
322 | static int ubi_volume_read(char *volume, char *buf, size_t size) | |
323 | { | |
324 | int err, lnum, off, len, tbuf_size, i = 0; | |
325 | size_t count_save = size; | |
326 | void *tbuf; | |
327 | unsigned long long tmp; | |
328 | struct ubi_volume *vol = NULL; | |
329 | loff_t offp = 0; | |
330 | ||
331 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
332 | vol = ubi->volumes[i]; | |
333 | if (vol && !strcmp(vol->name, volume)) { | |
334 | printf("Volume %s found at volume id %d\n", | |
335 | volume, vol->vol_id); | |
336 | break; | |
337 | } | |
338 | } | |
339 | if (i == ubi->vtbl_slots) { | |
340 | printf("%s volume not found\n", volume); | |
341 | return 0; | |
342 | } | |
343 | ||
344 | printf("read %i bytes from volume %d to %x(buf address)\n", | |
345 | (int) size, vol->vol_id, (unsigned)buf); | |
346 | ||
347 | if (vol->updating) { | |
348 | printf("updating"); | |
349 | return -EBUSY; | |
350 | } | |
351 | if (vol->upd_marker) { | |
352 | printf("damaged volume, update marker is set"); | |
353 | return -EBADF; | |
354 | } | |
355 | if (offp == vol->used_bytes) | |
356 | return 0; | |
357 | ||
358 | if (size == 0) { | |
359 | printf("Read [%lu] bytes\n", (unsigned long) vol->used_bytes); | |
360 | size = vol->used_bytes; | |
361 | } | |
362 | ||
363 | if (vol->corrupted) | |
364 | printf("read from corrupted volume %d", vol->vol_id); | |
365 | if (offp + size > vol->used_bytes) | |
366 | count_save = size = vol->used_bytes - offp; | |
367 | ||
368 | tbuf_size = vol->usable_leb_size; | |
369 | if (size < tbuf_size) | |
370 | tbuf_size = ALIGN(size, ubi->min_io_size); | |
371 | tbuf = malloc(tbuf_size); | |
372 | if (!tbuf) { | |
373 | printf("NO MEM\n"); | |
374 | return -ENOMEM; | |
375 | } | |
376 | len = size > tbuf_size ? tbuf_size : size; | |
377 | ||
378 | tmp = offp; | |
379 | off = do_div(tmp, vol->usable_leb_size); | |
380 | lnum = tmp; | |
381 | printf("off=%d lnum=%d\n", off, lnum); | |
382 | do { | |
383 | if (off + len >= vol->usable_leb_size) | |
384 | len = vol->usable_leb_size - off; | |
385 | ||
386 | err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0); | |
387 | if (err) { | |
388 | printf("read err %x\n", err); | |
389 | break; | |
390 | } | |
391 | off += len; | |
392 | if (off == vol->usable_leb_size) { | |
393 | lnum += 1; | |
394 | off -= vol->usable_leb_size; | |
395 | } | |
396 | ||
397 | size -= len; | |
398 | offp += len; | |
399 | ||
400 | printf("buf = %x\n", (unsigned)buf); | |
401 | memcpy(buf, tbuf, len); | |
402 | printf("buf[0] = %x\n", buf[0]); | |
403 | ||
404 | buf += len; | |
405 | len = size > tbuf_size ? tbuf_size : size; | |
406 | } while (size); | |
407 | ||
408 | free(tbuf); | |
409 | return err ? err : count_save - size; | |
410 | } | |
411 | ||
412 | static int ubi_dev_scan(struct mtd_info *info, char *ubidev) | |
413 | { | |
414 | struct mtd_device *dev; | |
415 | struct part_info *part; | |
416 | struct mtd_partition mtd_part; | |
417 | char buffer[32]; | |
418 | u8 pnum; | |
419 | int err; | |
420 | ||
421 | if (mtdparts_init() != 0) | |
422 | return 1; | |
423 | ||
424 | if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0) | |
425 | return 1; | |
426 | ||
427 | sprintf(buffer, "mtd=%d", pnum); | |
428 | memset(&mtd_part, 0, sizeof(mtd_part)); | |
429 | mtd_part.name = buffer; | |
430 | mtd_part.size = part->size; | |
431 | mtd_part.offset = part->offset; | |
432 | add_mtd_partitions(info, &mtd_part, 1); | |
433 | ||
434 | err = ubi_mtd_param_parse(buffer, NULL); | |
435 | if (err) { | |
436 | del_mtd_partitions(info); | |
437 | return err; | |
438 | } | |
439 | ||
440 | err = ubi_init(); | |
441 | if (err) { | |
442 | del_mtd_partitions(info); | |
443 | return err; | |
444 | } | |
445 | ||
446 | return 0; | |
447 | } | |
448 | ||
449 | static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
450 | { | |
451 | size_t size = 0; | |
452 | ulong addr = 0; | |
453 | int err = 0; | |
454 | ||
455 | if (argc < 2) { | |
456 | printf("Usage:\n%s\n", cmdtp->usage); | |
457 | return 1; | |
458 | } | |
459 | ||
460 | if (strcmp(argv[1], "part") == 0) { | |
461 | /* Print current partition */ | |
462 | if (argc == 2) { | |
463 | if (ubi_dev.type == DEV_TYPE_NONE) { | |
464 | printf("Error, no UBI device/partition selected!\n"); | |
465 | return 1; | |
466 | } | |
467 | ||
468 | printf("%s Device %d: %s, partition %s\n", ubi_dev.dev_name, | |
469 | ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name); | |
470 | return 0; | |
471 | } | |
472 | ||
473 | if (argc < 4) { | |
474 | printf("Usage:\n%s\n", cmdtp->usage); | |
475 | return 1; | |
476 | } | |
477 | ||
478 | /* todo: get dev number for NAND... */ | |
479 | ubi_dev.nr = 0; | |
480 | ||
481 | /* | |
482 | * Check for nand|onenand selection | |
483 | */ | |
484 | #if defined(CONFIG_CMD_NAND) | |
485 | if (strcmp(argv[2], "nand") == 0) { | |
486 | strcpy(ubi_dev.dev_name, "NAND"); | |
487 | ubi_dev.type = DEV_TYPE_NAND; | |
488 | ubi_dev.mtd_info = &nand_info[ubi_dev.nr]; | |
489 | } | |
490 | #endif | |
491 | #if defined(CONFIG_CMD_ONENAND) | |
492 | if (strcmp(argv[2], "onenand") == 0) { | |
493 | strcpy(ubi_dev.dev_name, "OneNAND"); | |
494 | ubi_dev.type = DEV_TYPE_ONENAND; | |
495 | ubi_dev.mtd_info = &onenand_mtd; | |
496 | } | |
497 | #endif | |
498 | ||
499 | if (ubi_dev.type == DEV_TYPE_NONE) { | |
500 | printf("Error, no UBI device/partition selected!\n"); | |
501 | return 1; | |
502 | } | |
503 | ||
504 | strcpy(ubi_dev.part_name, argv[3]); | |
505 | err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name); | |
506 | if (err) { | |
507 | printf("UBI init error %d\n", err); | |
508 | return err; | |
509 | } | |
510 | ||
511 | ubi = ubi_devices[0]; | |
512 | ||
513 | return 0; | |
514 | } | |
515 | ||
516 | if ((strcmp(argv[1], "part") != 0) && (ubi_dev.type == DEV_TYPE_NONE)) { | |
517 | printf("Error, no UBI device/partition selected!\n"); | |
518 | return 1; | |
519 | } | |
520 | ||
521 | if (strcmp(argv[1], "info") == 0) { | |
522 | int layout = 0; | |
523 | if (argc > 2 && !strncmp(argv[2], "l", 1)) | |
524 | layout = 1; | |
525 | return ubi_info(layout); | |
526 | } | |
527 | ||
528 | if (strncmp(argv[1], "create", 6) == 0) { | |
529 | int dynamic = 1; /* default: dynamic volume */ | |
530 | ||
531 | /* Use maximum available size */ | |
532 | size = 0; | |
533 | ||
534 | /* E.g., create volume size type */ | |
535 | if (argc == 5) { | |
536 | if (strncmp(argv[4], "s", 1) == 0) | |
537 | dynamic = 0; | |
538 | else if (strncmp(argv[4], "d", 1) != 0) { | |
539 | printf("Incorrect type\n"); | |
540 | return 1; | |
541 | } | |
542 | argc--; | |
543 | } | |
544 | /* E.g., create volume size */ | |
545 | if (argc == 4) { | |
546 | err = parse_num(&size, argv[3]); | |
547 | if (err) { | |
548 | printf("Incorrect type\n"); | |
549 | return err; | |
550 | } | |
551 | argc--; | |
552 | } | |
553 | /* Use maximum available size */ | |
554 | if (!size) | |
555 | size = ubi->avail_pebs * ubi->leb_size; | |
556 | /* E.g., create volume */ | |
557 | if (argc == 3) | |
558 | return ubi_create_vol(argv[2], size, dynamic); | |
559 | } | |
560 | ||
561 | if (strncmp(argv[1], "remove", 6) == 0) { | |
562 | /* E.g., remove volume */ | |
563 | if (argc == 3) | |
564 | return ubi_remove_vol(argv[2]); | |
565 | } | |
566 | ||
567 | if (strncmp(argv[1], "write", 5) == 0) { | |
568 | if (argc < 5) { | |
569 | printf("Please see usage\n"); | |
570 | return 1; | |
571 | } | |
572 | ||
573 | addr = simple_strtoul(argv[2], NULL, 16); | |
574 | err = parse_num(&size, argv[4]); | |
575 | if (err) { | |
576 | printf("Please see usage\n"); | |
577 | return err; | |
578 | } | |
579 | ||
580 | return ubi_volume_write(argv[3], (void *)addr, size); | |
581 | } | |
582 | ||
583 | if (strncmp(argv[1], "read", 4) == 0) { | |
584 | size = 0; | |
585 | ||
586 | /* E.g., read volume size */ | |
587 | if (argc == 5) { | |
588 | err = parse_num(&size, argv[4]); | |
589 | if (err) { | |
590 | printf("Please see usage\n"); | |
591 | return err; | |
592 | } | |
593 | argc--; | |
594 | } | |
595 | ||
596 | /* E.g., read volume */ | |
597 | if (argc == 4) { | |
598 | addr = simple_strtoul(argv[2], NULL, 16); | |
599 | argc--; | |
600 | } | |
601 | ||
602 | if (argc == 3) | |
603 | return ubi_volume_read(argv[3], (char *)addr, size); | |
604 | } | |
605 | ||
606 | printf("Please see usage\n"); | |
607 | return -1; | |
608 | } | |
609 | ||
610 | U_BOOT_CMD(ubi, 6, 1, do_ubi, | |
611 | "ubi - ubi commands\n", | |
612 | "part [nand|onenand] [part]" | |
613 | " - Show or set current partition\n" | |
614 | "ubi info [l[ayout]]" | |
615 | " - Display volume and ubi layout information\n" | |
616 | "ubi create[vol] volume [size] [type]" | |
617 | " - create volume name with size\n" | |
618 | "ubi write[vol] address volume size" | |
619 | " - Write volume from address with size\n" | |
620 | "ubi read[vol] address volume [size]" | |
621 | " - Read volume to address with size\n" | |
622 | "ubi remove[vol] volume" | |
623 | " - Remove volume\n" | |
624 | "[Legends]\n" | |
625 | " volume: charater name\n" | |
626 | " size: KiB, MiB, GiB, and bytes\n" | |
627 | " type: s[tatic] or d[ynamic] (default=dynamic)\n" | |
628 | ); |