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Commit | Line | Data |
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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 | * | |
2d579e50 | 7 | * Copyright 2008-2009 Stefan Roese <sr@denx.de>, DENX Software Engineering |
694a0b3f KP |
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 | |
25ea652e | 29 | #define DEV_TYPE_NOR 3 |
694a0b3f KP |
30 | |
31 | /* Private own data */ | |
32 | static struct ubi_device *ubi; | |
a5c40670 | 33 | static char buffer[80]; |
2ee951ba | 34 | static int ubi_initialized; |
694a0b3f KP |
35 | |
36 | struct selected_dev { | |
694a0b3f | 37 | char part_name[80]; |
2d579e50 | 38 | int selected; |
694a0b3f KP |
39 | int nr; |
40 | struct mtd_info *mtd_info; | |
41 | }; | |
42 | ||
43 | static struct selected_dev ubi_dev; | |
44 | ||
45 | static void ubi_dump_vol_info(const struct ubi_volume *vol) | |
46 | { | |
47 | ubi_msg("volume information dump:"); | |
48 | ubi_msg("vol_id %d", vol->vol_id); | |
49 | ubi_msg("reserved_pebs %d", vol->reserved_pebs); | |
50 | ubi_msg("alignment %d", vol->alignment); | |
51 | ubi_msg("data_pad %d", vol->data_pad); | |
52 | ubi_msg("vol_type %d", vol->vol_type); | |
53 | ubi_msg("name_len %d", vol->name_len); | |
54 | ubi_msg("usable_leb_size %d", vol->usable_leb_size); | |
55 | ubi_msg("used_ebs %d", vol->used_ebs); | |
56 | ubi_msg("used_bytes %lld", vol->used_bytes); | |
57 | ubi_msg("last_eb_bytes %d", vol->last_eb_bytes); | |
58 | ubi_msg("corrupted %d", vol->corrupted); | |
59 | ubi_msg("upd_marker %d", vol->upd_marker); | |
60 | ||
61 | if (vol->name_len <= UBI_VOL_NAME_MAX && | |
62 | strnlen(vol->name, vol->name_len + 1) == vol->name_len) { | |
63 | ubi_msg("name %s", vol->name); | |
64 | } else { | |
65 | ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c", | |
66 | vol->name[0], vol->name[1], vol->name[2], | |
67 | vol->name[3], vol->name[4]); | |
68 | } | |
69 | printf("\n"); | |
70 | } | |
71 | ||
72 | static void display_volume_info(struct ubi_device *ubi) | |
73 | { | |
74 | int i; | |
75 | ||
76 | for (i = 0; i < (ubi->vtbl_slots + 1); i++) { | |
77 | if (!ubi->volumes[i]) | |
78 | continue; /* Empty record */ | |
79 | ubi_dump_vol_info(ubi->volumes[i]); | |
80 | } | |
81 | } | |
82 | ||
83 | static void display_ubi_info(struct ubi_device *ubi) | |
84 | { | |
85 | ubi_msg("MTD device name: \"%s\"", ubi->mtd->name); | |
86 | ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20); | |
87 | ubi_msg("physical eraseblock size: %d bytes (%d KiB)", | |
88 | ubi->peb_size, ubi->peb_size >> 10); | |
89 | ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size); | |
90 | ubi_msg("number of good PEBs: %d", ubi->good_peb_count); | |
91 | ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count); | |
92 | ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size); | |
93 | ubi_msg("VID header offset: %d (aligned %d)", | |
94 | ubi->vid_hdr_offset, ubi->vid_hdr_aloffset); | |
95 | ubi_msg("data offset: %d", ubi->leb_start); | |
96 | ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots); | |
97 | ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD); | |
98 | ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT); | |
99 | ubi_msg("number of user volumes: %d", | |
100 | ubi->vol_count - UBI_INT_VOL_COUNT); | |
101 | ubi_msg("available PEBs: %d", ubi->avail_pebs); | |
102 | ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs); | |
103 | ubi_msg("number of PEBs reserved for bad PEB handling: %d", | |
104 | ubi->beb_rsvd_pebs); | |
105 | ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec); | |
106 | } | |
107 | ||
108 | static int ubi_info(int layout) | |
109 | { | |
110 | if (layout) | |
111 | display_volume_info(ubi); | |
112 | else | |
113 | display_ubi_info(ubi); | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
694a0b3f KP |
118 | static int verify_mkvol_req(const struct ubi_device *ubi, |
119 | const struct ubi_mkvol_req *req) | |
120 | { | |
121 | int n, err = -EINVAL; | |
122 | ||
123 | if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 || | |
124 | req->name_len < 0) | |
125 | goto bad; | |
126 | ||
127 | if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) && | |
128 | req->vol_id != UBI_VOL_NUM_AUTO) | |
129 | goto bad; | |
130 | ||
131 | if (req->alignment == 0) | |
132 | goto bad; | |
133 | ||
134 | if (req->bytes == 0) | |
135 | goto bad; | |
136 | ||
137 | if (req->vol_type != UBI_DYNAMIC_VOLUME && | |
138 | req->vol_type != UBI_STATIC_VOLUME) | |
139 | goto bad; | |
140 | ||
141 | if (req->alignment > ubi->leb_size) | |
142 | goto bad; | |
143 | ||
144 | n = req->alignment % ubi->min_io_size; | |
145 | if (req->alignment != 1 && n) | |
146 | goto bad; | |
147 | ||
148 | if (req->name_len > UBI_VOL_NAME_MAX) { | |
149 | err = -ENAMETOOLONG; | |
150 | goto bad; | |
151 | } | |
152 | ||
153 | return 0; | |
154 | bad: | |
155 | printf("bad volume creation request"); | |
156 | return err; | |
157 | } | |
158 | ||
159 | static int ubi_create_vol(char *volume, int size, int dynamic) | |
160 | { | |
161 | struct ubi_mkvol_req req; | |
162 | int err; | |
163 | ||
164 | if (dynamic) | |
165 | req.vol_type = UBI_DYNAMIC_VOLUME; | |
166 | else | |
167 | req.vol_type = UBI_STATIC_VOLUME; | |
168 | ||
169 | req.vol_id = UBI_VOL_NUM_AUTO; | |
170 | req.alignment = 1; | |
171 | req.bytes = size; | |
172 | ||
173 | strcpy(req.name, volume); | |
174 | req.name_len = strlen(volume); | |
175 | req.name[req.name_len] = '\0'; | |
176 | req.padding1 = 0; | |
177 | /* It's duplicated at drivers/mtd/ubi/cdev.c */ | |
178 | err = verify_mkvol_req(ubi, &req); | |
179 | if (err) { | |
180 | printf("verify_mkvol_req failed %d\n", err); | |
181 | return err; | |
182 | } | |
183 | printf("Creating %s volume %s of size %d\n", | |
184 | dynamic ? "dynamic" : "static", volume, size); | |
185 | /* Call real ubi create volume */ | |
186 | return ubi_create_volume(ubi, &req); | |
187 | } | |
188 | ||
189 | static int ubi_remove_vol(char *volume) | |
190 | { | |
191 | int i, err, reserved_pebs; | |
192 | int found = 0, vol_id = 0; | |
193 | struct ubi_volume *vol; | |
194 | ||
195 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
196 | vol = ubi->volumes[i]; | |
197 | if (vol && !strcmp(vol->name, volume)) { | |
198 | printf("Volume %s found at valid %d\n", volume, i); | |
199 | vol_id = i; | |
200 | found = 1; | |
201 | break; | |
202 | } | |
203 | } | |
204 | if (!found) { | |
205 | printf("%s volume not found\n", volume); | |
206 | return -ENODEV; | |
207 | } | |
208 | printf("remove UBI volume %s (id %d)\n", vol->name, vol->vol_id); | |
209 | ||
210 | if (ubi->ro_mode) { | |
211 | printf("It's read-only mode\n"); | |
212 | err = -EROFS; | |
213 | goto out_err; | |
214 | } | |
215 | ||
216 | err = ubi_change_vtbl_record(ubi, vol_id, NULL); | |
217 | if (err) { | |
218 | printf("Error changing Vol tabel record err=%x\n", err); | |
219 | goto out_err; | |
220 | } | |
221 | reserved_pebs = vol->reserved_pebs; | |
222 | for (i = 0; i < vol->reserved_pebs; i++) { | |
223 | err = ubi_eba_unmap_leb(ubi, vol, i); | |
224 | if (err) | |
225 | goto out_err; | |
226 | } | |
227 | ||
228 | kfree(vol->eba_tbl); | |
229 | ubi->volumes[vol_id]->eba_tbl = NULL; | |
230 | ubi->volumes[vol_id] = NULL; | |
231 | ||
232 | ubi->rsvd_pebs -= reserved_pebs; | |
233 | ubi->avail_pebs += reserved_pebs; | |
234 | i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs; | |
235 | if (i > 0) { | |
236 | i = ubi->avail_pebs >= i ? i : ubi->avail_pebs; | |
237 | ubi->avail_pebs -= i; | |
238 | ubi->rsvd_pebs += i; | |
239 | ubi->beb_rsvd_pebs += i; | |
240 | if (i > 0) | |
241 | ubi_msg("reserve more %d PEBs", i); | |
242 | } | |
243 | ubi->vol_count -= 1; | |
244 | ||
245 | return 0; | |
246 | out_err: | |
247 | ubi_err("cannot remove volume %d, error %d", vol_id, err); | |
248 | return err; | |
249 | } | |
250 | ||
251 | static int ubi_volume_write(char *volume, void *buf, size_t size) | |
252 | { | |
253 | int i = 0, err = -1; | |
254 | int rsvd_bytes = 0; | |
255 | int found = 0; | |
256 | struct ubi_volume *vol; | |
257 | ||
258 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
259 | vol = ubi->volumes[i]; | |
260 | if (vol && !strcmp(vol->name, volume)) { | |
261 | printf("Volume \"%s\" found at volume id %d\n", volume, i); | |
262 | found = 1; | |
263 | break; | |
264 | } | |
265 | } | |
266 | if (!found) { | |
267 | printf("%s volume not found\n", volume); | |
268 | return 1; | |
269 | } | |
270 | rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); | |
271 | if (size < 0 || size > rsvd_bytes) { | |
272 | printf("rsvd_bytes=%d vol->reserved_pebs=%d ubi->leb_size=%d\n", | |
273 | rsvd_bytes, vol->reserved_pebs, ubi->leb_size); | |
274 | printf("vol->data_pad=%d\n", vol->data_pad); | |
275 | printf("Size > volume size !!\n"); | |
276 | return 1; | |
277 | } | |
278 | ||
279 | err = ubi_start_update(ubi, vol, size); | |
280 | if (err < 0) { | |
281 | printf("Cannot start volume update\n"); | |
282 | return err; | |
283 | } | |
284 | ||
285 | err = ubi_more_update_data(ubi, vol, buf, size); | |
286 | if (err < 0) { | |
287 | printf("Couldnt or partially wrote data \n"); | |
288 | return err; | |
289 | } | |
290 | ||
291 | if (err) { | |
292 | size = err; | |
293 | ||
294 | err = ubi_check_volume(ubi, vol->vol_id); | |
295 | if ( err < 0 ) | |
296 | return err; | |
297 | ||
298 | if (err) { | |
299 | ubi_warn("volume %d on UBI device %d is corrupted", | |
300 | vol->vol_id, ubi->ubi_num); | |
301 | vol->corrupted = 1; | |
302 | } | |
303 | ||
304 | vol->checked = 1; | |
305 | ubi_gluebi_updated(vol); | |
306 | } | |
307 | ||
308 | return 0; | |
309 | } | |
310 | ||
311 | static int ubi_volume_read(char *volume, char *buf, size_t size) | |
312 | { | |
313 | int err, lnum, off, len, tbuf_size, i = 0; | |
314 | size_t count_save = size; | |
315 | void *tbuf; | |
316 | unsigned long long tmp; | |
317 | struct ubi_volume *vol = NULL; | |
318 | loff_t offp = 0; | |
319 | ||
320 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
321 | vol = ubi->volumes[i]; | |
322 | if (vol && !strcmp(vol->name, volume)) { | |
323 | printf("Volume %s found at volume id %d\n", | |
324 | volume, vol->vol_id); | |
325 | break; | |
326 | } | |
327 | } | |
328 | if (i == ubi->vtbl_slots) { | |
329 | printf("%s volume not found\n", volume); | |
08503017 | 330 | return -ENODEV; |
694a0b3f KP |
331 | } |
332 | ||
333 | printf("read %i bytes from volume %d to %x(buf address)\n", | |
334 | (int) size, vol->vol_id, (unsigned)buf); | |
335 | ||
336 | if (vol->updating) { | |
337 | printf("updating"); | |
338 | return -EBUSY; | |
339 | } | |
340 | if (vol->upd_marker) { | |
341 | printf("damaged volume, update marker is set"); | |
342 | return -EBADF; | |
343 | } | |
344 | if (offp == vol->used_bytes) | |
345 | return 0; | |
346 | ||
347 | if (size == 0) { | |
348 | printf("Read [%lu] bytes\n", (unsigned long) vol->used_bytes); | |
349 | size = vol->used_bytes; | |
350 | } | |
351 | ||
352 | if (vol->corrupted) | |
353 | printf("read from corrupted volume %d", vol->vol_id); | |
354 | if (offp + size > vol->used_bytes) | |
355 | count_save = size = vol->used_bytes - offp; | |
356 | ||
357 | tbuf_size = vol->usable_leb_size; | |
358 | if (size < tbuf_size) | |
359 | tbuf_size = ALIGN(size, ubi->min_io_size); | |
360 | tbuf = malloc(tbuf_size); | |
361 | if (!tbuf) { | |
362 | printf("NO MEM\n"); | |
363 | return -ENOMEM; | |
364 | } | |
365 | len = size > tbuf_size ? tbuf_size : size; | |
366 | ||
367 | tmp = offp; | |
368 | off = do_div(tmp, vol->usable_leb_size); | |
369 | lnum = tmp; | |
694a0b3f KP |
370 | do { |
371 | if (off + len >= vol->usable_leb_size) | |
372 | len = vol->usable_leb_size - off; | |
373 | ||
374 | err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0); | |
375 | if (err) { | |
376 | printf("read err %x\n", err); | |
377 | break; | |
378 | } | |
379 | off += len; | |
380 | if (off == vol->usable_leb_size) { | |
381 | lnum += 1; | |
382 | off -= vol->usable_leb_size; | |
383 | } | |
384 | ||
385 | size -= len; | |
386 | offp += len; | |
387 | ||
694a0b3f | 388 | memcpy(buf, tbuf, len); |
694a0b3f KP |
389 | |
390 | buf += len; | |
391 | len = size > tbuf_size ? tbuf_size : size; | |
392 | } while (size); | |
393 | ||
394 | free(tbuf); | |
395 | return err ? err : count_save - size; | |
396 | } | |
397 | ||
398 | static int ubi_dev_scan(struct mtd_info *info, char *ubidev) | |
399 | { | |
400 | struct mtd_device *dev; | |
401 | struct part_info *part; | |
402 | struct mtd_partition mtd_part; | |
694a0b3f KP |
403 | u8 pnum; |
404 | int err; | |
405 | ||
694a0b3f KP |
406 | if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0) |
407 | return 1; | |
408 | ||
409 | sprintf(buffer, "mtd=%d", pnum); | |
410 | memset(&mtd_part, 0, sizeof(mtd_part)); | |
411 | mtd_part.name = buffer; | |
412 | mtd_part.size = part->size; | |
413 | mtd_part.offset = part->offset; | |
414 | add_mtd_partitions(info, &mtd_part, 1); | |
415 | ||
416 | err = ubi_mtd_param_parse(buffer, NULL); | |
417 | if (err) { | |
418 | del_mtd_partitions(info); | |
419 | return err; | |
420 | } | |
421 | ||
422 | err = ubi_init(); | |
423 | if (err) { | |
424 | del_mtd_partitions(info); | |
425 | return err; | |
426 | } | |
427 | ||
2ee951ba SR |
428 | ubi_initialized = 1; |
429 | ||
694a0b3f KP |
430 | return 0; |
431 | } | |
432 | ||
433 | static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
434 | { | |
435 | size_t size = 0; | |
436 | ulong addr = 0; | |
437 | int err = 0; | |
438 | ||
439 | if (argc < 2) { | |
62c3ae7c | 440 | cmd_usage(cmdtp); |
694a0b3f KP |
441 | return 1; |
442 | } | |
443 | ||
c203ef5d AH |
444 | if (mtdparts_init() != 0) { |
445 | printf("Error initializing mtdparts!\n"); | |
446 | return 1; | |
447 | } | |
448 | ||
694a0b3f | 449 | if (strcmp(argv[1], "part") == 0) { |
2d579e50 SR |
450 | char mtd_dev[16]; |
451 | struct mtd_device *dev; | |
452 | struct part_info *part; | |
453 | u8 pnum; | |
454 | ||
694a0b3f KP |
455 | /* Print current partition */ |
456 | if (argc == 2) { | |
2d579e50 | 457 | if (!ubi_dev.selected) { |
694a0b3f KP |
458 | printf("Error, no UBI device/partition selected!\n"); |
459 | return 1; | |
460 | } | |
461 | ||
2d579e50 | 462 | printf("Device %d: %s, partition %s\n", |
694a0b3f KP |
463 | ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name); |
464 | return 0; | |
465 | } | |
466 | ||
2d579e50 | 467 | if (argc < 3) { |
62c3ae7c | 468 | cmd_usage(cmdtp); |
694a0b3f KP |
469 | return 1; |
470 | } | |
471 | ||
472 | /* todo: get dev number for NAND... */ | |
473 | ubi_dev.nr = 0; | |
474 | ||
2ee951ba SR |
475 | /* |
476 | * Call ubi_exit() before re-initializing the UBI subsystem | |
477 | */ | |
478 | if (ubi_initialized) { | |
479 | ubi_exit(); | |
480 | del_mtd_partitions(ubi_dev.mtd_info); | |
481 | } | |
482 | ||
694a0b3f | 483 | /* |
2d579e50 SR |
484 | * Search the mtd device number where this partition |
485 | * is located | |
694a0b3f | 486 | */ |
2d579e50 SR |
487 | if (find_dev_and_part(argv[2], &dev, &pnum, &part)) { |
488 | printf("Partition %s not found!\n", argv[2]); | |
489 | return 1; | |
694a0b3f | 490 | } |
2d579e50 SR |
491 | sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num); |
492 | ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev); | |
493 | if (IS_ERR(ubi_dev.mtd_info)) { | |
494 | printf("Partition %s not found on device %s!\n", argv[2], mtd_dev); | |
694a0b3f KP |
495 | return 1; |
496 | } | |
497 | ||
2d579e50 SR |
498 | ubi_dev.selected = 1; |
499 | ||
500 | strcpy(ubi_dev.part_name, argv[2]); | |
694a0b3f KP |
501 | err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name); |
502 | if (err) { | |
503 | printf("UBI init error %d\n", err); | |
2d579e50 | 504 | ubi_dev.selected = 0; |
694a0b3f KP |
505 | return err; |
506 | } | |
507 | ||
508 | ubi = ubi_devices[0]; | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
2d579e50 | 513 | if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) { |
694a0b3f KP |
514 | printf("Error, no UBI device/partition selected!\n"); |
515 | return 1; | |
516 | } | |
517 | ||
518 | if (strcmp(argv[1], "info") == 0) { | |
519 | int layout = 0; | |
520 | if (argc > 2 && !strncmp(argv[2], "l", 1)) | |
521 | layout = 1; | |
522 | return ubi_info(layout); | |
523 | } | |
524 | ||
525 | if (strncmp(argv[1], "create", 6) == 0) { | |
526 | int dynamic = 1; /* default: dynamic volume */ | |
527 | ||
528 | /* Use maximum available size */ | |
529 | size = 0; | |
530 | ||
531 | /* E.g., create volume size type */ | |
532 | if (argc == 5) { | |
533 | if (strncmp(argv[4], "s", 1) == 0) | |
534 | dynamic = 0; | |
535 | else if (strncmp(argv[4], "d", 1) != 0) { | |
536 | printf("Incorrect type\n"); | |
537 | return 1; | |
538 | } | |
539 | argc--; | |
540 | } | |
541 | /* E.g., create volume size */ | |
542 | if (argc == 4) { | |
2d2e0572 | 543 | size = simple_strtoul(argv[3], NULL, 16); |
694a0b3f KP |
544 | argc--; |
545 | } | |
546 | /* Use maximum available size */ | |
547 | if (!size) | |
548 | size = ubi->avail_pebs * ubi->leb_size; | |
549 | /* E.g., create volume */ | |
550 | if (argc == 3) | |
551 | return ubi_create_vol(argv[2], size, dynamic); | |
552 | } | |
553 | ||
554 | if (strncmp(argv[1], "remove", 6) == 0) { | |
555 | /* E.g., remove volume */ | |
556 | if (argc == 3) | |
557 | return ubi_remove_vol(argv[2]); | |
558 | } | |
559 | ||
560 | if (strncmp(argv[1], "write", 5) == 0) { | |
561 | if (argc < 5) { | |
562 | printf("Please see usage\n"); | |
563 | return 1; | |
564 | } | |
565 | ||
566 | addr = simple_strtoul(argv[2], NULL, 16); | |
a5c40670 | 567 | size = simple_strtoul(argv[4], NULL, 16); |
694a0b3f KP |
568 | |
569 | return ubi_volume_write(argv[3], (void *)addr, size); | |
570 | } | |
571 | ||
572 | if (strncmp(argv[1], "read", 4) == 0) { | |
573 | size = 0; | |
574 | ||
575 | /* E.g., read volume size */ | |
576 | if (argc == 5) { | |
a5c40670 | 577 | size = simple_strtoul(argv[4], NULL, 16); |
694a0b3f KP |
578 | argc--; |
579 | } | |
580 | ||
581 | /* E.g., read volume */ | |
582 | if (argc == 4) { | |
583 | addr = simple_strtoul(argv[2], NULL, 16); | |
584 | argc--; | |
585 | } | |
586 | ||
587 | if (argc == 3) | |
588 | return ubi_volume_read(argv[3], (char *)addr, size); | |
589 | } | |
590 | ||
591 | printf("Please see usage\n"); | |
592 | return -1; | |
593 | } | |
594 | ||
595 | U_BOOT_CMD(ubi, 6, 1, do_ubi, | |
2fb2604d | 596 | "ubi commands", |
2d579e50 | 597 | "part [part]" |
694a0b3f KP |
598 | " - Show or set current partition\n" |
599 | "ubi info [l[ayout]]" | |
600 | " - Display volume and ubi layout information\n" | |
601 | "ubi create[vol] volume [size] [type]" | |
602 | " - create volume name with size\n" | |
603 | "ubi write[vol] address volume size" | |
604 | " - Write volume from address with size\n" | |
605 | "ubi read[vol] address volume [size]" | |
606 | " - Read volume to address with size\n" | |
607 | "ubi remove[vol] volume" | |
608 | " - Remove volume\n" | |
609 | "[Legends]\n" | |
610 | " volume: charater name\n" | |
611 | " size: KiB, MiB, GiB, and bytes\n" | |
612 | " type: s[tatic] or d[ynamic] (default=dynamic)\n" | |
613 | ); |