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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 | ||
147162da JH |
26 | #undef ubi_msg |
27 | #define ubi_msg(fmt, ...) printf("UBI: " fmt "\n", ##__VA_ARGS__) | |
28 | ||
694a0b3f KP |
29 | #define DEV_TYPE_NONE 0 |
30 | #define DEV_TYPE_NAND 1 | |
31 | #define DEV_TYPE_ONENAND 2 | |
25ea652e | 32 | #define DEV_TYPE_NOR 3 |
694a0b3f KP |
33 | |
34 | /* Private own data */ | |
35 | static struct ubi_device *ubi; | |
a5c40670 | 36 | static char buffer[80]; |
2ee951ba | 37 | static int ubi_initialized; |
694a0b3f KP |
38 | |
39 | struct selected_dev { | |
694a0b3f | 40 | char part_name[80]; |
2d579e50 | 41 | int selected; |
694a0b3f KP |
42 | int nr; |
43 | struct mtd_info *mtd_info; | |
44 | }; | |
45 | ||
46 | static struct selected_dev ubi_dev; | |
47 | ||
2f15cfd1 SR |
48 | #ifdef CONFIG_CMD_UBIFS |
49 | int ubifs_is_mounted(void); | |
50 | void cmd_ubifs_umount(void); | |
51 | #endif | |
52 | ||
694a0b3f KP |
53 | static void ubi_dump_vol_info(const struct ubi_volume *vol) |
54 | { | |
55 | ubi_msg("volume information dump:"); | |
56 | ubi_msg("vol_id %d", vol->vol_id); | |
57 | ubi_msg("reserved_pebs %d", vol->reserved_pebs); | |
58 | ubi_msg("alignment %d", vol->alignment); | |
59 | ubi_msg("data_pad %d", vol->data_pad); | |
60 | ubi_msg("vol_type %d", vol->vol_type); | |
61 | ubi_msg("name_len %d", vol->name_len); | |
62 | ubi_msg("usable_leb_size %d", vol->usable_leb_size); | |
63 | ubi_msg("used_ebs %d", vol->used_ebs); | |
64 | ubi_msg("used_bytes %lld", vol->used_bytes); | |
65 | ubi_msg("last_eb_bytes %d", vol->last_eb_bytes); | |
66 | ubi_msg("corrupted %d", vol->corrupted); | |
67 | ubi_msg("upd_marker %d", vol->upd_marker); | |
68 | ||
69 | if (vol->name_len <= UBI_VOL_NAME_MAX && | |
70 | strnlen(vol->name, vol->name_len + 1) == vol->name_len) { | |
71 | ubi_msg("name %s", vol->name); | |
72 | } else { | |
73 | ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c", | |
74 | vol->name[0], vol->name[1], vol->name[2], | |
75 | vol->name[3], vol->name[4]); | |
76 | } | |
77 | printf("\n"); | |
78 | } | |
79 | ||
80 | static void display_volume_info(struct ubi_device *ubi) | |
81 | { | |
82 | int i; | |
83 | ||
84 | for (i = 0; i < (ubi->vtbl_slots + 1); i++) { | |
85 | if (!ubi->volumes[i]) | |
86 | continue; /* Empty record */ | |
87 | ubi_dump_vol_info(ubi->volumes[i]); | |
88 | } | |
89 | } | |
90 | ||
91 | static void display_ubi_info(struct ubi_device *ubi) | |
92 | { | |
93 | ubi_msg("MTD device name: \"%s\"", ubi->mtd->name); | |
94 | ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20); | |
95 | ubi_msg("physical eraseblock size: %d bytes (%d KiB)", | |
96 | ubi->peb_size, ubi->peb_size >> 10); | |
97 | ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size); | |
98 | ubi_msg("number of good PEBs: %d", ubi->good_peb_count); | |
99 | ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count); | |
100 | ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size); | |
101 | ubi_msg("VID header offset: %d (aligned %d)", | |
102 | ubi->vid_hdr_offset, ubi->vid_hdr_aloffset); | |
103 | ubi_msg("data offset: %d", ubi->leb_start); | |
104 | ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots); | |
105 | ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD); | |
106 | ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT); | |
107 | ubi_msg("number of user volumes: %d", | |
108 | ubi->vol_count - UBI_INT_VOL_COUNT); | |
109 | ubi_msg("available PEBs: %d", ubi->avail_pebs); | |
110 | ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs); | |
111 | ubi_msg("number of PEBs reserved for bad PEB handling: %d", | |
112 | ubi->beb_rsvd_pebs); | |
113 | ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec); | |
114 | } | |
115 | ||
116 | static int ubi_info(int layout) | |
117 | { | |
118 | if (layout) | |
119 | display_volume_info(ubi); | |
120 | else | |
121 | display_ubi_info(ubi); | |
122 | ||
123 | return 0; | |
124 | } | |
125 | ||
694a0b3f KP |
126 | static int verify_mkvol_req(const struct ubi_device *ubi, |
127 | const struct ubi_mkvol_req *req) | |
128 | { | |
7f5d8a4d | 129 | int n, err = EINVAL; |
694a0b3f KP |
130 | |
131 | if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 || | |
132 | req->name_len < 0) | |
133 | goto bad; | |
134 | ||
135 | if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) && | |
136 | req->vol_id != UBI_VOL_NUM_AUTO) | |
137 | goto bad; | |
138 | ||
139 | if (req->alignment == 0) | |
140 | goto bad; | |
141 | ||
7f5d8a4d SR |
142 | if (req->bytes == 0) { |
143 | printf("No space left in UBI device!\n"); | |
144 | err = ENOMEM; | |
694a0b3f | 145 | goto bad; |
7f5d8a4d | 146 | } |
694a0b3f KP |
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) { | |
7f5d8a4d SR |
160 | printf("Name too long!\n"); |
161 | err = ENAMETOOLONG; | |
694a0b3f KP |
162 | goto bad; |
163 | } | |
164 | ||
165 | return 0; | |
166 | bad: | |
694a0b3f KP |
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 | ||
7f5d8a4d | 200 | static struct ubi_volume *ubi_find_volume(char *volume) |
694a0b3f | 201 | { |
3b653fdb | 202 | struct ubi_volume *vol = NULL; |
7f5d8a4d | 203 | int i; |
694a0b3f KP |
204 | |
205 | for (i = 0; i < ubi->vtbl_slots; i++) { | |
206 | vol = ubi->volumes[i]; | |
7f5d8a4d SR |
207 | if (vol && !strcmp(vol->name, volume)) |
208 | return vol; | |
694a0b3f | 209 | } |
7f5d8a4d SR |
210 | |
211 | printf("Volume %s not found!\n", volume); | |
212 | return NULL; | |
213 | } | |
214 | ||
215 | static int ubi_remove_vol(char *volume) | |
216 | { | |
217 | int err, reserved_pebs, i; | |
218 | struct ubi_volume *vol; | |
219 | ||
220 | vol = ubi_find_volume(volume); | |
221 | if (vol == NULL) | |
222 | return ENODEV; | |
223 | ||
224 | printf("Remove UBI volume %s (id %d)\n", vol->name, vol->vol_id); | |
694a0b3f KP |
225 | |
226 | if (ubi->ro_mode) { | |
227 | printf("It's read-only mode\n"); | |
7f5d8a4d | 228 | err = EROFS; |
694a0b3f KP |
229 | goto out_err; |
230 | } | |
231 | ||
7f5d8a4d | 232 | err = ubi_change_vtbl_record(ubi, vol->vol_id, NULL); |
694a0b3f KP |
233 | if (err) { |
234 | printf("Error changing Vol tabel record err=%x\n", err); | |
235 | goto out_err; | |
236 | } | |
237 | reserved_pebs = vol->reserved_pebs; | |
238 | for (i = 0; i < vol->reserved_pebs; i++) { | |
239 | err = ubi_eba_unmap_leb(ubi, vol, i); | |
240 | if (err) | |
241 | goto out_err; | |
242 | } | |
243 | ||
244 | kfree(vol->eba_tbl); | |
7f5d8a4d SR |
245 | ubi->volumes[vol->vol_id]->eba_tbl = NULL; |
246 | ubi->volumes[vol->vol_id] = NULL; | |
694a0b3f KP |
247 | |
248 | ubi->rsvd_pebs -= reserved_pebs; | |
249 | ubi->avail_pebs += reserved_pebs; | |
250 | i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs; | |
251 | if (i > 0) { | |
252 | i = ubi->avail_pebs >= i ? i : ubi->avail_pebs; | |
253 | ubi->avail_pebs -= i; | |
254 | ubi->rsvd_pebs += i; | |
255 | ubi->beb_rsvd_pebs += i; | |
256 | if (i > 0) | |
257 | ubi_msg("reserve more %d PEBs", i); | |
258 | } | |
259 | ubi->vol_count -= 1; | |
260 | ||
261 | return 0; | |
262 | out_err: | |
7f5d8a4d SR |
263 | ubi_err("cannot remove volume %s, error %d", volume, err); |
264 | if (err < 0) | |
265 | err = -err; | |
694a0b3f KP |
266 | return err; |
267 | } | |
268 | ||
71829067 | 269 | int ubi_volume_write(char *volume, void *buf, size_t size) |
694a0b3f | 270 | { |
7f5d8a4d | 271 | int err = 1; |
694a0b3f | 272 | int rsvd_bytes = 0; |
694a0b3f KP |
273 | struct ubi_volume *vol; |
274 | ||
7f5d8a4d SR |
275 | vol = ubi_find_volume(volume); |
276 | if (vol == NULL) | |
277 | return ENODEV; | |
278 | ||
694a0b3f KP |
279 | rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); |
280 | if (size < 0 || size > rsvd_bytes) { | |
7f5d8a4d SR |
281 | printf("size > volume size! Aborting!\n"); |
282 | return EINVAL; | |
694a0b3f KP |
283 | } |
284 | ||
285 | err = ubi_start_update(ubi, vol, size); | |
286 | if (err < 0) { | |
287 | printf("Cannot start volume update\n"); | |
7f5d8a4d | 288 | return -err; |
694a0b3f KP |
289 | } |
290 | ||
291 | err = ubi_more_update_data(ubi, vol, buf, size); | |
292 | if (err < 0) { | |
7f5d8a4d SR |
293 | printf("Couldnt or partially wrote data\n"); |
294 | return -err; | |
694a0b3f KP |
295 | } |
296 | ||
297 | if (err) { | |
298 | size = err; | |
299 | ||
300 | err = ubi_check_volume(ubi, vol->vol_id); | |
7f5d8a4d SR |
301 | if (err < 0) |
302 | return -err; | |
694a0b3f KP |
303 | |
304 | if (err) { | |
305 | ubi_warn("volume %d on UBI device %d is corrupted", | |
306 | vol->vol_id, ubi->ubi_num); | |
307 | vol->corrupted = 1; | |
308 | } | |
309 | ||
310 | vol->checked = 1; | |
311 | ubi_gluebi_updated(vol); | |
312 | } | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
71829067 | 317 | int ubi_volume_read(char *volume, char *buf, size_t size) |
694a0b3f | 318 | { |
7f5d8a4d | 319 | int err, lnum, off, len, tbuf_size; |
694a0b3f KP |
320 | void *tbuf; |
321 | unsigned long long tmp; | |
7f5d8a4d | 322 | struct ubi_volume *vol; |
694a0b3f KP |
323 | loff_t offp = 0; |
324 | ||
7f5d8a4d SR |
325 | vol = ubi_find_volume(volume); |
326 | if (vol == NULL) | |
327 | return ENODEV; | |
694a0b3f | 328 | |
694a0b3f KP |
329 | if (vol->updating) { |
330 | printf("updating"); | |
7f5d8a4d | 331 | return EBUSY; |
694a0b3f KP |
332 | } |
333 | if (vol->upd_marker) { | |
334 | printf("damaged volume, update marker is set"); | |
7f5d8a4d | 335 | return EBADF; |
694a0b3f KP |
336 | } |
337 | if (offp == vol->used_bytes) | |
338 | return 0; | |
339 | ||
340 | if (size == 0) { | |
7f5d8a4d | 341 | printf("No size specified -> Using max size (%lld)\n", vol->used_bytes); |
694a0b3f KP |
342 | size = vol->used_bytes; |
343 | } | |
344 | ||
345 | if (vol->corrupted) | |
346 | printf("read from corrupted volume %d", vol->vol_id); | |
347 | if (offp + size > vol->used_bytes) | |
2984fd16 | 348 | size = vol->used_bytes - offp; |
694a0b3f KP |
349 | |
350 | tbuf_size = vol->usable_leb_size; | |
351 | if (size < tbuf_size) | |
352 | tbuf_size = ALIGN(size, ubi->min_io_size); | |
353 | tbuf = malloc(tbuf_size); | |
354 | if (!tbuf) { | |
355 | printf("NO MEM\n"); | |
7f5d8a4d | 356 | return ENOMEM; |
694a0b3f KP |
357 | } |
358 | len = size > tbuf_size ? tbuf_size : size; | |
359 | ||
360 | tmp = offp; | |
361 | off = do_div(tmp, vol->usable_leb_size); | |
362 | lnum = tmp; | |
694a0b3f KP |
363 | do { |
364 | if (off + len >= vol->usable_leb_size) | |
365 | len = vol->usable_leb_size - off; | |
366 | ||
367 | err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0); | |
368 | if (err) { | |
369 | printf("read err %x\n", err); | |
7f5d8a4d | 370 | err = -err; |
694a0b3f KP |
371 | break; |
372 | } | |
373 | off += len; | |
374 | if (off == vol->usable_leb_size) { | |
375 | lnum += 1; | |
376 | off -= vol->usable_leb_size; | |
377 | } | |
378 | ||
379 | size -= len; | |
380 | offp += len; | |
381 | ||
694a0b3f | 382 | memcpy(buf, tbuf, len); |
694a0b3f KP |
383 | |
384 | buf += len; | |
385 | len = size > tbuf_size ? tbuf_size : size; | |
386 | } while (size); | |
387 | ||
388 | free(tbuf); | |
7f5d8a4d | 389 | return err; |
694a0b3f KP |
390 | } |
391 | ||
25c8f400 SK |
392 | static int ubi_dev_scan(struct mtd_info *info, char *ubidev, |
393 | const char *vid_header_offset) | |
694a0b3f KP |
394 | { |
395 | struct mtd_device *dev; | |
396 | struct part_info *part; | |
397 | struct mtd_partition mtd_part; | |
25c8f400 | 398 | char ubi_mtd_param_buffer[80]; |
694a0b3f KP |
399 | u8 pnum; |
400 | int err; | |
401 | ||
694a0b3f KP |
402 | if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0) |
403 | return 1; | |
404 | ||
405 | sprintf(buffer, "mtd=%d", pnum); | |
406 | memset(&mtd_part, 0, sizeof(mtd_part)); | |
407 | mtd_part.name = buffer; | |
408 | mtd_part.size = part->size; | |
409 | mtd_part.offset = part->offset; | |
410 | add_mtd_partitions(info, &mtd_part, 1); | |
411 | ||
25c8f400 SK |
412 | strcpy(ubi_mtd_param_buffer, buffer); |
413 | if (vid_header_offset) | |
414 | sprintf(ubi_mtd_param_buffer, "mtd=%d,%s", pnum, | |
415 | vid_header_offset); | |
416 | err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL); | |
694a0b3f KP |
417 | if (err) { |
418 | del_mtd_partitions(info); | |
7f5d8a4d | 419 | return -err; |
694a0b3f KP |
420 | } |
421 | ||
422 | err = ubi_init(); | |
423 | if (err) { | |
424 | del_mtd_partitions(info); | |
7f5d8a4d | 425 | return -err; |
694a0b3f KP |
426 | } |
427 | ||
2ee951ba SR |
428 | ubi_initialized = 1; |
429 | ||
694a0b3f KP |
430 | return 0; |
431 | } | |
432 | ||
71829067 | 433 | int ubi_part(char *part_name, const char *vid_header_offset) |
694a0b3f | 434 | { |
694a0b3f | 435 | int err = 0; |
71829067 JH |
436 | char mtd_dev[16]; |
437 | struct mtd_device *dev; | |
438 | struct part_info *part; | |
439 | u8 pnum; | |
694a0b3f | 440 | |
c203ef5d AH |
441 | if (mtdparts_init() != 0) { |
442 | printf("Error initializing mtdparts!\n"); | |
443 | return 1; | |
444 | } | |
445 | ||
71829067 JH |
446 | #ifdef CONFIG_CMD_UBIFS |
447 | /* | |
448 | * Automatically unmount UBIFS partition when user | |
449 | * changes the UBI device. Otherwise the following | |
450 | * UBIFS commands will crash. | |
451 | */ | |
452 | if (ubifs_is_mounted()) | |
453 | cmd_ubifs_umount(); | |
454 | #endif | |
455 | ||
456 | /* todo: get dev number for NAND... */ | |
457 | ubi_dev.nr = 0; | |
458 | ||
459 | /* | |
460 | * Call ubi_exit() before re-initializing the UBI subsystem | |
461 | */ | |
462 | if (ubi_initialized) { | |
463 | ubi_exit(); | |
464 | del_mtd_partitions(ubi_dev.mtd_info); | |
465 | } | |
466 | ||
467 | /* | |
468 | * Search the mtd device number where this partition | |
469 | * is located | |
470 | */ | |
471 | if (find_dev_and_part(part_name, &dev, &pnum, &part)) { | |
472 | printf("Partition %s not found!\n", part_name); | |
473 | return 1; | |
474 | } | |
475 | sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num); | |
476 | ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev); | |
477 | if (IS_ERR(ubi_dev.mtd_info)) { | |
478 | printf("Partition %s not found on device %s!\n", part_name, | |
479 | mtd_dev); | |
480 | return 1; | |
481 | } | |
482 | ||
483 | ubi_dev.selected = 1; | |
484 | ||
485 | strcpy(ubi_dev.part_name, part_name); | |
486 | err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name, | |
487 | vid_header_offset); | |
488 | if (err) { | |
489 | printf("UBI init error %d\n", err); | |
490 | ubi_dev.selected = 0; | |
491 | return err; | |
492 | } | |
493 | ||
494 | ubi = ubi_devices[0]; | |
495 | ||
496 | return 0; | |
497 | } | |
498 | ||
499 | static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
500 | { | |
501 | size_t size = 0; | |
502 | ulong addr = 0; | |
503 | ||
504 | if (argc < 2) | |
505 | return CMD_RET_USAGE; | |
506 | ||
694a0b3f | 507 | if (strcmp(argv[1], "part") == 0) { |
25c8f400 | 508 | const char *vid_header_offset = NULL; |
2d579e50 | 509 | |
694a0b3f KP |
510 | /* Print current partition */ |
511 | if (argc == 2) { | |
2d579e50 | 512 | if (!ubi_dev.selected) { |
694a0b3f KP |
513 | printf("Error, no UBI device/partition selected!\n"); |
514 | return 1; | |
515 | } | |
516 | ||
2d579e50 | 517 | printf("Device %d: %s, partition %s\n", |
694a0b3f KP |
518 | ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name); |
519 | return 0; | |
520 | } | |
521 | ||
47e26b1b | 522 | if (argc < 3) |
4c12eeb8 | 523 | return CMD_RET_USAGE; |
694a0b3f | 524 | |
25c8f400 SK |
525 | if (argc > 3) |
526 | vid_header_offset = argv[3]; | |
694a0b3f | 527 | |
71829067 | 528 | return ubi_part(argv[2], vid_header_offset); |
694a0b3f KP |
529 | } |
530 | ||
2d579e50 | 531 | if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) { |
694a0b3f KP |
532 | printf("Error, no UBI device/partition selected!\n"); |
533 | return 1; | |
534 | } | |
535 | ||
536 | if (strcmp(argv[1], "info") == 0) { | |
537 | int layout = 0; | |
538 | if (argc > 2 && !strncmp(argv[2], "l", 1)) | |
539 | layout = 1; | |
540 | return ubi_info(layout); | |
541 | } | |
542 | ||
543 | if (strncmp(argv[1], "create", 6) == 0) { | |
544 | int dynamic = 1; /* default: dynamic volume */ | |
545 | ||
546 | /* Use maximum available size */ | |
547 | size = 0; | |
548 | ||
549 | /* E.g., create volume size type */ | |
550 | if (argc == 5) { | |
551 | if (strncmp(argv[4], "s", 1) == 0) | |
552 | dynamic = 0; | |
553 | else if (strncmp(argv[4], "d", 1) != 0) { | |
554 | printf("Incorrect type\n"); | |
555 | return 1; | |
556 | } | |
557 | argc--; | |
558 | } | |
559 | /* E.g., create volume size */ | |
560 | if (argc == 4) { | |
2d2e0572 | 561 | size = simple_strtoul(argv[3], NULL, 16); |
694a0b3f KP |
562 | argc--; |
563 | } | |
564 | /* Use maximum available size */ | |
7f5d8a4d | 565 | if (!size) { |
694a0b3f | 566 | size = ubi->avail_pebs * ubi->leb_size; |
7f5d8a4d SR |
567 | printf("No size specified -> Using max size (%u)\n", size); |
568 | } | |
694a0b3f KP |
569 | /* E.g., create volume */ |
570 | if (argc == 3) | |
571 | return ubi_create_vol(argv[2], size, dynamic); | |
572 | } | |
573 | ||
574 | if (strncmp(argv[1], "remove", 6) == 0) { | |
575 | /* E.g., remove volume */ | |
576 | if (argc == 3) | |
577 | return ubi_remove_vol(argv[2]); | |
578 | } | |
579 | ||
580 | if (strncmp(argv[1], "write", 5) == 0) { | |
71829067 JH |
581 | int ret; |
582 | ||
694a0b3f KP |
583 | if (argc < 5) { |
584 | printf("Please see usage\n"); | |
585 | return 1; | |
586 | } | |
587 | ||
588 | addr = simple_strtoul(argv[2], NULL, 16); | |
a5c40670 | 589 | size = simple_strtoul(argv[4], NULL, 16); |
694a0b3f | 590 | |
71829067 JH |
591 | ret = ubi_volume_write(argv[3], (void *)addr, size); |
592 | if (!ret) { | |
593 | printf("%d bytes written to volume %s\n", size, | |
594 | argv[3]); | |
595 | } | |
596 | ||
597 | return ret; | |
694a0b3f KP |
598 | } |
599 | ||
600 | if (strncmp(argv[1], "read", 4) == 0) { | |
601 | size = 0; | |
602 | ||
603 | /* E.g., read volume size */ | |
604 | if (argc == 5) { | |
a5c40670 | 605 | size = simple_strtoul(argv[4], NULL, 16); |
694a0b3f KP |
606 | argc--; |
607 | } | |
608 | ||
609 | /* E.g., read volume */ | |
610 | if (argc == 4) { | |
611 | addr = simple_strtoul(argv[2], NULL, 16); | |
612 | argc--; | |
613 | } | |
614 | ||
71829067 JH |
615 | if (argc == 3) { |
616 | printf("Read %d bytes from volume %s to %lx\n", size, | |
617 | argv[3], addr); | |
618 | ||
694a0b3f | 619 | return ubi_volume_read(argv[3], (char *)addr, size); |
71829067 | 620 | } |
694a0b3f KP |
621 | } |
622 | ||
623 | printf("Please see usage\n"); | |
7f5d8a4d | 624 | return 1; |
694a0b3f KP |
625 | } |
626 | ||
388a29d0 FM |
627 | U_BOOT_CMD( |
628 | ubi, 6, 1, do_ubi, | |
2fb2604d | 629 | "ubi commands", |
25c8f400 SK |
630 | "part [part] [offset]\n" |
631 | " - Show or set current partition (with optional VID" | |
632 | " header offset)\n" | |
694a0b3f KP |
633 | "ubi info [l[ayout]]" |
634 | " - Display volume and ubi layout information\n" | |
635 | "ubi create[vol] volume [size] [type]" | |
636 | " - create volume name with size\n" | |
637 | "ubi write[vol] address volume size" | |
638 | " - Write volume from address with size\n" | |
639 | "ubi read[vol] address volume [size]" | |
640 | " - Read volume to address with size\n" | |
641 | "ubi remove[vol] volume" | |
642 | " - Remove volume\n" | |
643 | "[Legends]\n" | |
f6ca3b70 AW |
644 | " volume: character name\n" |
645 | " size: specified in bytes\n" | |
a89c33db | 646 | " type: s[tatic] or d[ynamic] (default=dynamic)" |
694a0b3f | 647 | ); |