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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 <[email protected]> | |
6 | * | |
2d579e50 | 7 | * Copyright 2008-2009 Stefan Roese <[email protected]>, 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 | ||
2f15cfd1 SR |
45 | #ifdef CONFIG_CMD_UBIFS |
46 | int ubifs_is_mounted(void); | |
47 | void cmd_ubifs_umount(void); | |
48 | #endif | |
49 | ||
694a0b3f KP |
50 | static void ubi_dump_vol_info(const struct ubi_volume *vol) |
51 | { | |
52 | ubi_msg("volume information dump:"); | |
53 | ubi_msg("vol_id %d", vol->vol_id); | |
54 | ubi_msg("reserved_pebs %d", vol->reserved_pebs); | |
55 | ubi_msg("alignment %d", vol->alignment); | |
56 | ubi_msg("data_pad %d", vol->data_pad); | |
57 | ubi_msg("vol_type %d", vol->vol_type); | |
58 | ubi_msg("name_len %d", vol->name_len); | |
59 | ubi_msg("usable_leb_size %d", vol->usable_leb_size); | |
60 | ubi_msg("used_ebs %d", vol->used_ebs); | |
61 | ubi_msg("used_bytes %lld", vol->used_bytes); | |
62 | ubi_msg("last_eb_bytes %d", vol->last_eb_bytes); | |
63 | ubi_msg("corrupted %d", vol->corrupted); | |
64 | ubi_msg("upd_marker %d", vol->upd_marker); | |
65 | ||
66 | if (vol->name_len <= UBI_VOL_NAME_MAX && | |
67 | strnlen(vol->name, vol->name_len + 1) == vol->name_len) { | |
68 | ubi_msg("name %s", vol->name); | |
69 | } else { | |
70 | ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c", | |
71 | vol->name[0], vol->name[1], vol->name[2], | |
72 | vol->name[3], vol->name[4]); | |
73 | } | |
74 | printf("\n"); | |
75 | } | |
76 | ||
77 | static void display_volume_info(struct ubi_device *ubi) | |
78 | { | |
79 | int i; | |
80 | ||
81 | for (i = 0; i < (ubi->vtbl_slots + 1); i++) { | |
82 | if (!ubi->volumes[i]) | |
83 | continue; /* Empty record */ | |
84 | ubi_dump_vol_info(ubi->volumes[i]); | |
85 | } | |
86 | } | |
87 | ||
88 | static void display_ubi_info(struct ubi_device *ubi) | |
89 | { | |
90 | ubi_msg("MTD device name: \"%s\"", ubi->mtd->name); | |
91 | ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20); | |
92 | ubi_msg("physical eraseblock size: %d bytes (%d KiB)", | |
93 | ubi->peb_size, ubi->peb_size >> 10); | |
94 | ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size); | |
95 | ubi_msg("number of good PEBs: %d", ubi->good_peb_count); | |
96 | ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count); | |
97 | ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size); | |
98 | ubi_msg("VID header offset: %d (aligned %d)", | |
99 | ubi->vid_hdr_offset, ubi->vid_hdr_aloffset); | |
100 | ubi_msg("data offset: %d", ubi->leb_start); | |
101 | ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots); | |
102 | ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD); | |
103 | ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT); | |
104 | ubi_msg("number of user volumes: %d", | |
105 | ubi->vol_count - UBI_INT_VOL_COUNT); | |
106 | ubi_msg("available PEBs: %d", ubi->avail_pebs); | |
107 | ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs); | |
108 | ubi_msg("number of PEBs reserved for bad PEB handling: %d", | |
109 | ubi->beb_rsvd_pebs); | |
110 | ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec); | |
111 | } | |
112 | ||
113 | static int ubi_info(int layout) | |
114 | { | |
115 | if (layout) | |
116 | display_volume_info(ubi); | |
117 | else | |
118 | display_ubi_info(ubi); | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
694a0b3f KP |
123 | static int verify_mkvol_req(const struct ubi_device *ubi, |
124 | const struct ubi_mkvol_req *req) | |
125 | { | |
7f5d8a4d | 126 | int n, err = EINVAL; |
694a0b3f KP |
127 | |
128 | if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 || | |
129 | req->name_len < 0) | |
130 | goto bad; | |
131 | ||
132 | if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) && | |
133 | req->vol_id != UBI_VOL_NUM_AUTO) | |
134 | goto bad; | |
135 | ||
136 | if (req->alignment == 0) | |
137 | goto bad; | |
138 | ||
7f5d8a4d SR |
139 | if (req->bytes == 0) { |
140 | printf("No space left in UBI device!\n"); | |
141 | err = ENOMEM; | |
694a0b3f | 142 | goto bad; |
7f5d8a4d | 143 | } |
694a0b3f KP |
144 | |
145 | if (req->vol_type != UBI_DYNAMIC_VOLUME && | |
146 | req->vol_type != UBI_STATIC_VOLUME) | |
147 | goto bad; | |
148 | ||
149 | if (req->alignment > ubi->leb_size) | |
150 | goto bad; | |
151 | ||
152 | n = req->alignment % ubi->min_io_size; | |
153 | if (req->alignment != 1 && n) | |
154 | goto bad; | |
155 | ||
156 | if (req->name_len > UBI_VOL_NAME_MAX) { | |
7f5d8a4d SR |
157 | printf("Name too long!\n"); |
158 | err = ENAMETOOLONG; | |
694a0b3f KP |
159 | goto bad; |
160 | } | |
161 | ||
162 | return 0; | |
163 | bad: | |
694a0b3f KP |
164 | return err; |
165 | } | |
166 | ||
167 | static int ubi_create_vol(char *volume, int size, int dynamic) | |
168 | { | |
169 | struct ubi_mkvol_req req; | |
170 | int err; | |
171 | ||
172 | if (dynamic) | |
173 | req.vol_type = UBI_DYNAMIC_VOLUME; | |
174 | else | |
175 | req.vol_type = UBI_STATIC_VOLUME; | |
176 | ||
177 | req.vol_id = UBI_VOL_NUM_AUTO; | |
178 | req.alignment = 1; | |
179 | req.bytes = size; | |
180 | ||
181 | strcpy(req.name, volume); | |
182 | req.name_len = strlen(volume); | |
183 | req.name[req.name_len] = '\0'; | |
184 | req.padding1 = 0; | |
185 | /* It's duplicated at drivers/mtd/ubi/cdev.c */ | |
186 | err = verify_mkvol_req(ubi, &req); | |
187 | if (err) { | |
188 | printf("verify_mkvol_req failed %d\n", err); | |
189 | return err; | |
190 | } | |
191 | printf("Creating %s volume %s of size %d\n", | |
192 | dynamic ? "dynamic" : "static", volume, size); | |
193 | /* Call real ubi create volume */ | |
194 | return ubi_create_volume(ubi, &req); | |
195 | } | |
196 | ||
7f5d8a4d | 197 | static struct ubi_volume *ubi_find_volume(char *volume) |
694a0b3f | 198 | { |
3b653fdb | 199 | struct ubi_volume *vol = NULL; |
7f5d8a4d | 200 | int i; |
694a0b3f KP |
201 | |
202 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
203 | vol = ubi->volumes[i]; | |
7f5d8a4d SR |
204 | if (vol && !strcmp(vol->name, volume)) |
205 | return vol; | |
694a0b3f | 206 | } |
7f5d8a4d SR |
207 | |
208 | printf("Volume %s not found!\n", volume); | |
209 | return NULL; | |
210 | } | |
211 | ||
212 | static int ubi_remove_vol(char *volume) | |
213 | { | |
214 | int err, reserved_pebs, i; | |
215 | struct ubi_volume *vol; | |
216 | ||
217 | vol = ubi_find_volume(volume); | |
218 | if (vol == NULL) | |
219 | return ENODEV; | |
220 | ||
221 | printf("Remove UBI volume %s (id %d)\n", vol->name, vol->vol_id); | |
694a0b3f KP |
222 | |
223 | if (ubi->ro_mode) { | |
224 | printf("It's read-only mode\n"); | |
7f5d8a4d | 225 | err = EROFS; |
694a0b3f KP |
226 | goto out_err; |
227 | } | |
228 | ||
7f5d8a4d | 229 | err = ubi_change_vtbl_record(ubi, vol->vol_id, NULL); |
694a0b3f KP |
230 | if (err) { |
231 | printf("Error changing Vol tabel record err=%x\n", err); | |
232 | goto out_err; | |
233 | } | |
234 | reserved_pebs = vol->reserved_pebs; | |
235 | for (i = 0; i < vol->reserved_pebs; i++) { | |
236 | err = ubi_eba_unmap_leb(ubi, vol, i); | |
237 | if (err) | |
238 | goto out_err; | |
239 | } | |
240 | ||
241 | kfree(vol->eba_tbl); | |
7f5d8a4d SR |
242 | ubi->volumes[vol->vol_id]->eba_tbl = NULL; |
243 | ubi->volumes[vol->vol_id] = NULL; | |
694a0b3f KP |
244 | |
245 | ubi->rsvd_pebs -= reserved_pebs; | |
246 | ubi->avail_pebs += reserved_pebs; | |
247 | i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs; | |
248 | if (i > 0) { | |
249 | i = ubi->avail_pebs >= i ? i : ubi->avail_pebs; | |
250 | ubi->avail_pebs -= i; | |
251 | ubi->rsvd_pebs += i; | |
252 | ubi->beb_rsvd_pebs += i; | |
253 | if (i > 0) | |
254 | ubi_msg("reserve more %d PEBs", i); | |
255 | } | |
256 | ubi->vol_count -= 1; | |
257 | ||
258 | return 0; | |
259 | out_err: | |
7f5d8a4d SR |
260 | ubi_err("cannot remove volume %s, error %d", volume, err); |
261 | if (err < 0) | |
262 | err = -err; | |
694a0b3f KP |
263 | return err; |
264 | } | |
265 | ||
266 | static int ubi_volume_write(char *volume, void *buf, size_t size) | |
267 | { | |
7f5d8a4d | 268 | int err = 1; |
694a0b3f | 269 | int rsvd_bytes = 0; |
694a0b3f KP |
270 | struct ubi_volume *vol; |
271 | ||
7f5d8a4d SR |
272 | vol = ubi_find_volume(volume); |
273 | if (vol == NULL) | |
274 | return ENODEV; | |
275 | ||
694a0b3f KP |
276 | rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); |
277 | if (size < 0 || size > rsvd_bytes) { | |
7f5d8a4d SR |
278 | printf("size > volume size! Aborting!\n"); |
279 | return EINVAL; | |
694a0b3f KP |
280 | } |
281 | ||
282 | err = ubi_start_update(ubi, vol, size); | |
283 | if (err < 0) { | |
284 | printf("Cannot start volume update\n"); | |
7f5d8a4d | 285 | return -err; |
694a0b3f KP |
286 | } |
287 | ||
288 | err = ubi_more_update_data(ubi, vol, buf, size); | |
289 | if (err < 0) { | |
7f5d8a4d SR |
290 | printf("Couldnt or partially wrote data\n"); |
291 | return -err; | |
694a0b3f KP |
292 | } |
293 | ||
294 | if (err) { | |
295 | size = err; | |
296 | ||
297 | err = ubi_check_volume(ubi, vol->vol_id); | |
7f5d8a4d SR |
298 | if (err < 0) |
299 | return -err; | |
694a0b3f KP |
300 | |
301 | if (err) { | |
302 | ubi_warn("volume %d on UBI device %d is corrupted", | |
303 | vol->vol_id, ubi->ubi_num); | |
304 | vol->corrupted = 1; | |
305 | } | |
306 | ||
307 | vol->checked = 1; | |
308 | ubi_gluebi_updated(vol); | |
309 | } | |
310 | ||
7f5d8a4d SR |
311 | printf("%d bytes written to volume %s\n", size, volume); |
312 | ||
694a0b3f KP |
313 | return 0; |
314 | } | |
315 | ||
316 | static int ubi_volume_read(char *volume, char *buf, size_t size) | |
317 | { | |
7f5d8a4d | 318 | int err, lnum, off, len, tbuf_size; |
694a0b3f KP |
319 | void *tbuf; |
320 | unsigned long long tmp; | |
7f5d8a4d | 321 | struct ubi_volume *vol; |
694a0b3f KP |
322 | loff_t offp = 0; |
323 | ||
7f5d8a4d SR |
324 | vol = ubi_find_volume(volume); |
325 | if (vol == NULL) | |
326 | return ENODEV; | |
694a0b3f | 327 | |
7f5d8a4d | 328 | printf("Read %d bytes from volume %s to %p\n", size, volume, buf); |
694a0b3f KP |
329 | |
330 | if (vol->updating) { | |
331 | printf("updating"); | |
7f5d8a4d | 332 | return EBUSY; |
694a0b3f KP |
333 | } |
334 | if (vol->upd_marker) { | |
335 | printf("damaged volume, update marker is set"); | |
7f5d8a4d | 336 | return EBADF; |
694a0b3f KP |
337 | } |
338 | if (offp == vol->used_bytes) | |
339 | return 0; | |
340 | ||
341 | if (size == 0) { | |
7f5d8a4d | 342 | printf("No size specified -> Using max size (%lld)\n", vol->used_bytes); |
694a0b3f KP |
343 | size = vol->used_bytes; |
344 | } | |
345 | ||
346 | if (vol->corrupted) | |
347 | printf("read from corrupted volume %d", vol->vol_id); | |
348 | if (offp + size > vol->used_bytes) | |
2984fd16 | 349 | size = vol->used_bytes - offp; |
694a0b3f KP |
350 | |
351 | tbuf_size = vol->usable_leb_size; | |
352 | if (size < tbuf_size) | |
353 | tbuf_size = ALIGN(size, ubi->min_io_size); | |
354 | tbuf = malloc(tbuf_size); | |
355 | if (!tbuf) { | |
356 | printf("NO MEM\n"); | |
7f5d8a4d | 357 | return ENOMEM; |
694a0b3f KP |
358 | } |
359 | len = size > tbuf_size ? tbuf_size : size; | |
360 | ||
361 | tmp = offp; | |
362 | off = do_div(tmp, vol->usable_leb_size); | |
363 | lnum = tmp; | |
694a0b3f KP |
364 | do { |
365 | if (off + len >= vol->usable_leb_size) | |
366 | len = vol->usable_leb_size - off; | |
367 | ||
368 | err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0); | |
369 | if (err) { | |
370 | printf("read err %x\n", err); | |
7f5d8a4d | 371 | err = -err; |
694a0b3f KP |
372 | break; |
373 | } | |
374 | off += len; | |
375 | if (off == vol->usable_leb_size) { | |
376 | lnum += 1; | |
377 | off -= vol->usable_leb_size; | |
378 | } | |
379 | ||
380 | size -= len; | |
381 | offp += len; | |
382 | ||
694a0b3f | 383 | memcpy(buf, tbuf, len); |
694a0b3f KP |
384 | |
385 | buf += len; | |
386 | len = size > tbuf_size ? tbuf_size : size; | |
387 | } while (size); | |
388 | ||
389 | free(tbuf); | |
7f5d8a4d | 390 | return err; |
694a0b3f KP |
391 | } |
392 | ||
25c8f400 SK |
393 | static int ubi_dev_scan(struct mtd_info *info, char *ubidev, |
394 | const char *vid_header_offset) | |
694a0b3f KP |
395 | { |
396 | struct mtd_device *dev; | |
397 | struct part_info *part; | |
398 | struct mtd_partition mtd_part; | |
25c8f400 | 399 | char ubi_mtd_param_buffer[80]; |
694a0b3f KP |
400 | u8 pnum; |
401 | int err; | |
402 | ||
694a0b3f KP |
403 | if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0) |
404 | return 1; | |
405 | ||
406 | sprintf(buffer, "mtd=%d", pnum); | |
407 | memset(&mtd_part, 0, sizeof(mtd_part)); | |
408 | mtd_part.name = buffer; | |
409 | mtd_part.size = part->size; | |
410 | mtd_part.offset = part->offset; | |
411 | add_mtd_partitions(info, &mtd_part, 1); | |
412 | ||
25c8f400 SK |
413 | strcpy(ubi_mtd_param_buffer, buffer); |
414 | if (vid_header_offset) | |
415 | sprintf(ubi_mtd_param_buffer, "mtd=%d,%s", pnum, | |
416 | vid_header_offset); | |
417 | err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL); | |
694a0b3f KP |
418 | if (err) { |
419 | del_mtd_partitions(info); | |
7f5d8a4d | 420 | return -err; |
694a0b3f KP |
421 | } |
422 | ||
423 | err = ubi_init(); | |
424 | if (err) { | |
425 | del_mtd_partitions(info); | |
7f5d8a4d | 426 | return -err; |
694a0b3f KP |
427 | } |
428 | ||
2ee951ba SR |
429 | ubi_initialized = 1; |
430 | ||
694a0b3f KP |
431 | return 0; |
432 | } | |
433 | ||
54841ab5 | 434 | static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) |
694a0b3f KP |
435 | { |
436 | size_t size = 0; | |
437 | ulong addr = 0; | |
438 | int err = 0; | |
439 | ||
47e26b1b | 440 | if (argc < 2) |
4c12eeb8 | 441 | return CMD_RET_USAGE; |
694a0b3f | 442 | |
c203ef5d AH |
443 | if (mtdparts_init() != 0) { |
444 | printf("Error initializing mtdparts!\n"); | |
445 | return 1; | |
446 | } | |
447 | ||
694a0b3f | 448 | if (strcmp(argv[1], "part") == 0) { |
2d579e50 SR |
449 | char mtd_dev[16]; |
450 | struct mtd_device *dev; | |
451 | struct part_info *part; | |
25c8f400 | 452 | const char *vid_header_offset = NULL; |
2d579e50 SR |
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 | ||
47e26b1b | 467 | if (argc < 3) |
4c12eeb8 | 468 | return CMD_RET_USAGE; |
694a0b3f | 469 | |
2f15cfd1 SR |
470 | #ifdef CONFIG_CMD_UBIFS |
471 | /* | |
472 | * Automatically unmount UBIFS partition when user | |
473 | * changes the UBI device. Otherwise the following | |
474 | * UBIFS commands will crash. | |
475 | */ | |
476 | if (ubifs_is_mounted()) | |
477 | cmd_ubifs_umount(); | |
478 | #endif | |
479 | ||
694a0b3f KP |
480 | /* todo: get dev number for NAND... */ |
481 | ubi_dev.nr = 0; | |
482 | ||
2ee951ba SR |
483 | /* |
484 | * Call ubi_exit() before re-initializing the UBI subsystem | |
485 | */ | |
486 | if (ubi_initialized) { | |
487 | ubi_exit(); | |
488 | del_mtd_partitions(ubi_dev.mtd_info); | |
489 | } | |
490 | ||
694a0b3f | 491 | /* |
2d579e50 SR |
492 | * Search the mtd device number where this partition |
493 | * is located | |
694a0b3f | 494 | */ |
2d579e50 SR |
495 | if (find_dev_and_part(argv[2], &dev, &pnum, &part)) { |
496 | printf("Partition %s not found!\n", argv[2]); | |
497 | return 1; | |
694a0b3f | 498 | } |
2d579e50 SR |
499 | sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num); |
500 | ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev); | |
501 | if (IS_ERR(ubi_dev.mtd_info)) { | |
502 | printf("Partition %s not found on device %s!\n", argv[2], mtd_dev); | |
694a0b3f KP |
503 | return 1; |
504 | } | |
505 | ||
2d579e50 SR |
506 | ubi_dev.selected = 1; |
507 | ||
25c8f400 SK |
508 | if (argc > 3) |
509 | vid_header_offset = argv[3]; | |
2d579e50 | 510 | strcpy(ubi_dev.part_name, argv[2]); |
25c8f400 SK |
511 | err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name, |
512 | vid_header_offset); | |
694a0b3f KP |
513 | if (err) { |
514 | printf("UBI init error %d\n", err); | |
2d579e50 | 515 | ubi_dev.selected = 0; |
694a0b3f KP |
516 | return err; |
517 | } | |
518 | ||
519 | ubi = ubi_devices[0]; | |
520 | ||
521 | return 0; | |
522 | } | |
523 | ||
2d579e50 | 524 | if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) { |
694a0b3f KP |
525 | printf("Error, no UBI device/partition selected!\n"); |
526 | return 1; | |
527 | } | |
528 | ||
529 | if (strcmp(argv[1], "info") == 0) { | |
530 | int layout = 0; | |
531 | if (argc > 2 && !strncmp(argv[2], "l", 1)) | |
532 | layout = 1; | |
533 | return ubi_info(layout); | |
534 | } | |
535 | ||
536 | if (strncmp(argv[1], "create", 6) == 0) { | |
537 | int dynamic = 1; /* default: dynamic volume */ | |
538 | ||
539 | /* Use maximum available size */ | |
540 | size = 0; | |
541 | ||
542 | /* E.g., create volume size type */ | |
543 | if (argc == 5) { | |
544 | if (strncmp(argv[4], "s", 1) == 0) | |
545 | dynamic = 0; | |
546 | else if (strncmp(argv[4], "d", 1) != 0) { | |
547 | printf("Incorrect type\n"); | |
548 | return 1; | |
549 | } | |
550 | argc--; | |
551 | } | |
552 | /* E.g., create volume size */ | |
553 | if (argc == 4) { | |
2d2e0572 | 554 | size = simple_strtoul(argv[3], NULL, 16); |
694a0b3f KP |
555 | argc--; |
556 | } | |
557 | /* Use maximum available size */ | |
7f5d8a4d | 558 | if (!size) { |
694a0b3f | 559 | size = ubi->avail_pebs * ubi->leb_size; |
7f5d8a4d SR |
560 | printf("No size specified -> Using max size (%u)\n", size); |
561 | } | |
694a0b3f KP |
562 | /* E.g., create volume */ |
563 | if (argc == 3) | |
564 | return ubi_create_vol(argv[2], size, dynamic); | |
565 | } | |
566 | ||
567 | if (strncmp(argv[1], "remove", 6) == 0) { | |
568 | /* E.g., remove volume */ | |
569 | if (argc == 3) | |
570 | return ubi_remove_vol(argv[2]); | |
571 | } | |
572 | ||
573 | if (strncmp(argv[1], "write", 5) == 0) { | |
574 | if (argc < 5) { | |
575 | printf("Please see usage\n"); | |
576 | return 1; | |
577 | } | |
578 | ||
579 | addr = simple_strtoul(argv[2], NULL, 16); | |
a5c40670 | 580 | size = simple_strtoul(argv[4], NULL, 16); |
694a0b3f KP |
581 | |
582 | return ubi_volume_write(argv[3], (void *)addr, size); | |
583 | } | |
584 | ||
585 | if (strncmp(argv[1], "read", 4) == 0) { | |
586 | size = 0; | |
587 | ||
588 | /* E.g., read volume size */ | |
589 | if (argc == 5) { | |
a5c40670 | 590 | size = simple_strtoul(argv[4], NULL, 16); |
694a0b3f KP |
591 | argc--; |
592 | } | |
593 | ||
594 | /* E.g., read volume */ | |
595 | if (argc == 4) { | |
596 | addr = simple_strtoul(argv[2], NULL, 16); | |
597 | argc--; | |
598 | } | |
599 | ||
600 | if (argc == 3) | |
601 | return ubi_volume_read(argv[3], (char *)addr, size); | |
602 | } | |
603 | ||
604 | printf("Please see usage\n"); | |
7f5d8a4d | 605 | return 1; |
694a0b3f KP |
606 | } |
607 | ||
388a29d0 FM |
608 | U_BOOT_CMD( |
609 | ubi, 6, 1, do_ubi, | |
2fb2604d | 610 | "ubi commands", |
25c8f400 SK |
611 | "part [part] [offset]\n" |
612 | " - Show or set current partition (with optional VID" | |
613 | " header offset)\n" | |
694a0b3f KP |
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" | |
f6ca3b70 AW |
625 | " volume: character name\n" |
626 | " size: specified in bytes\n" | |
a89c33db | 627 | " type: s[tatic] or d[ynamic] (default=dynamic)" |
694a0b3f | 628 | ); |