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38a24a61 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | /* | |
25 | * FLASH support | |
26 | */ | |
27 | #include <common.h> | |
28 | #include <command.h> | |
8bde7f77 | 29 | |
2abbe075 WD |
30 | #ifdef CONFIG_HAS_DATAFLASH |
31 | #include <dataflash.h> | |
32 | #endif | |
33 | ||
3865b1fb | 34 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
700a0c64 WD |
35 | #include <jffs2/jffs2.h> |
36 | ||
37 | /* parition handling routines */ | |
38 | int mtdparts_init(void); | |
39 | int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); | |
40 | int find_dev_and_part(const char *id, struct mtd_device **dev, | |
41 | u8 *part_num, struct part_info **part); | |
42 | #endif | |
43 | ||
38a24a61 WD |
44 | extern flash_info_t flash_info[]; /* info for FLASH chips */ |
45 | ||
46 | /* | |
47 | * The user interface starts numbering for Flash banks with 1 | |
48 | * for historical reasons. | |
49 | */ | |
50 | ||
51 | /* | |
52 | * this routine looks for an abbreviated flash range specification. | |
53 | * the syntax is B:SF[-SL], where B is the bank number, SF is the first | |
54 | * sector to erase, and SL is the last sector to erase (defaults to SF). | |
55 | * bank numbers start at 1 to be consistent with other specs, sector numbers | |
56 | * start at zero. | |
57 | * | |
58 | * returns: 1 - correct spec; *pinfo, *psf and *psl are | |
59 | * set appropriately | |
60 | * 0 - doesn't look like an abbreviated spec | |
61 | * -1 - looks like an abbreviated spec, but got | |
62 | * a parsing error, a number out of range, | |
63 | * or an invalid flash bank. | |
64 | */ | |
65 | static int | |
bdccc4fe | 66 | abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl) |
38a24a61 | 67 | { |
bdccc4fe WD |
68 | flash_info_t *fp; |
69 | int bank, first, last; | |
70 | char *p, *ep; | |
38a24a61 | 71 | |
bdccc4fe WD |
72 | if ((p = strchr (str, ':')) == NULL) |
73 | return 0; | |
74 | *p++ = '\0'; | |
38a24a61 | 75 | |
bdccc4fe WD |
76 | bank = simple_strtoul (str, &ep, 10); |
77 | if (ep == str || *ep != '\0' || | |
78 | bank < 1 || bank > CFG_MAX_FLASH_BANKS || | |
79 | (fp = &flash_info[bank - 1])->flash_id == FLASH_UNKNOWN) | |
80 | return -1; | |
81 | ||
82 | str = p; | |
83 | if ((p = strchr (str, '-')) != NULL) | |
84 | *p++ = '\0'; | |
85 | ||
86 | first = simple_strtoul (str, &ep, 10); | |
87 | if (ep == str || *ep != '\0' || first >= fp->sector_count) | |
88 | return -1; | |
89 | ||
90 | if (p != NULL) { | |
91 | last = simple_strtoul (p, &ep, 10); | |
92 | if (ep == p || *ep != '\0' || | |
93 | last < first || last >= fp->sector_count) | |
94 | return -1; | |
95 | } else { | |
96 | last = first; | |
97 | } | |
38a24a61 | 98 | |
bdccc4fe WD |
99 | *pinfo = fp; |
100 | *psf = first; | |
101 | *psl = last; | |
102 | ||
103 | return 1; | |
104 | } | |
105 | ||
f530187d WD |
106 | /* |
107 | * This function computes the start and end addresses for both | |
108 | * erase and protect commands. The range of the addresses on which | |
109 | * either of the commands is to operate can be given in two forms: | |
110 | * 1. <cmd> start end - operate on <'start', 'end') | |
095b8a37 | 111 | * 2. <cmd> start +length - operate on <'start', start + length) |
f530187d WD |
112 | * If the second form is used and the end address doesn't fall on the |
113 | * sector boundary, than it will be adjusted to the next sector boundary. | |
114 | * If it isn't in the flash, the function will fail (return -1). | |
115 | * Input: | |
116 | * arg1, arg2: address specification (i.e. both command arguments) | |
117 | * Output: | |
118 | * addr_first, addr_last: computed address range | |
119 | * Return: | |
120 | * 1: success | |
121 | * -1: failure (bad format, bad address). | |
122 | */ | |
123 | static int | |
124 | addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last) | |
125 | { | |
126 | char *ep; | |
bb74140d HS |
127 | char len_used; /* indicates if the "start +length" form used */ |
128 | char found; | |
129 | ulong bank; | |
2c61f14c | 130 | |
f530187d WD |
131 | *addr_first = simple_strtoul(arg1, &ep, 16); |
132 | if (ep == arg1 || *ep != '\0') | |
133 | return -1; | |
134 | ||
bb74140d | 135 | len_used = 0; |
f530187d WD |
136 | if (arg2 && *arg2 == '+'){ |
137 | len_used = 1; | |
138 | ++arg2; | |
139 | } | |
140 | ||
141 | *addr_last = simple_strtoul(arg2, &ep, 16); | |
142 | if (ep == arg2 || *ep != '\0') | |
143 | return -1; | |
144 | ||
145 | if (len_used){ | |
146 | /* | |
147 | * *addr_last has the length, compute correct *addr_last | |
148 | * XXX watch out for the integer overflow! Right now it is | |
149 | * checked for in both the callers. | |
150 | */ | |
151 | *addr_last = *addr_first + *addr_last - 1; | |
152 | ||
153 | /* | |
154 | * It may happen that *addr_last doesn't fall on the sector | |
155 | * boundary. We want to round such an address to the next | |
156 | * sector boundary, so that the commands don't fail later on. | |
157 | */ | |
158 | ||
159 | /* find the end addr of the sector where the *addr_last is */ | |
bb74140d | 160 | found = 0; |
f530187d WD |
161 | for (bank = 0; bank < CFG_MAX_FLASH_BANKS && !found; ++bank){ |
162 | int i; | |
163 | flash_info_t *info = &flash_info[bank]; | |
164 | for (i = 0; i < info->sector_count && !found; ++i){ | |
165 | /* get the end address of the sector */ | |
166 | ulong sector_end_addr; | |
167 | if (i == info->sector_count - 1){ | |
168 | sector_end_addr = | |
169 | info->start[0] + info->size - 1; | |
170 | } else { | |
171 | sector_end_addr = | |
172 | info->start[i+1] - 1; | |
173 | } | |
174 | if (*addr_last <= sector_end_addr && | |
175 | *addr_last >= info->start[i]){ | |
176 | /* sector found */ | |
177 | found = 1; | |
178 | /* adjust *addr_last if necessary */ | |
179 | if (*addr_last < sector_end_addr){ | |
180 | *addr_last = sector_end_addr; | |
181 | } | |
182 | } | |
183 | } /* sector */ | |
184 | } /* bank */ | |
185 | if (!found){ | |
186 | /* error, addres not in flash */ | |
187 | printf("Error: end address (0x%08lx) not in flash!\n", | |
188 | *addr_last); | |
189 | return -1; | |
190 | } | |
191 | } /* "start +length" from used */ | |
192 | ||
193 | return 1; | |
194 | } | |
195 | ||
bdccc4fe WD |
196 | static int |
197 | flash_fill_sect_ranges (ulong addr_first, ulong addr_last, | |
198 | int *s_first, int *s_last, | |
199 | int *s_count ) | |
200 | { | |
201 | flash_info_t *info; | |
202 | ulong bank; | |
203 | int rcode = 0; | |
204 | ||
205 | *s_count = 0; | |
206 | ||
207 | for (bank=0; bank < CFG_MAX_FLASH_BANKS; ++bank) { | |
208 | s_first[bank] = -1; /* first sector to erase */ | |
209 | s_last [bank] = -1; /* last sector to erase */ | |
210 | } | |
211 | ||
212 | for (bank=0,info=&flash_info[0]; | |
213 | (bank < CFG_MAX_FLASH_BANKS) && (addr_first <= addr_last); | |
214 | ++bank, ++info) { | |
215 | ulong b_end; | |
216 | int sect; | |
217 | short s_end; | |
218 | ||
219 | if (info->flash_id == FLASH_UNKNOWN) { | |
220 | continue; | |
221 | } | |
222 | ||
223 | b_end = info->start[0] + info->size - 1; /* bank end addr */ | |
224 | s_end = info->sector_count - 1; /* last sector */ | |
225 | ||
226 | ||
227 | for (sect=0; sect < info->sector_count; ++sect) { | |
228 | ulong end; /* last address in current sect */ | |
38a24a61 | 229 | |
bdccc4fe | 230 | end = (sect == s_end) ? b_end : info->start[sect + 1] - 1; |
38a24a61 | 231 | |
bdccc4fe WD |
232 | if (addr_first > end) |
233 | continue; | |
234 | if (addr_last < info->start[sect]) | |
235 | continue; | |
38a24a61 | 236 | |
bdccc4fe WD |
237 | if (addr_first == info->start[sect]) { |
238 | s_first[bank] = sect; | |
239 | } | |
240 | if (addr_last == end) { | |
241 | s_last[bank] = sect; | |
242 | } | |
243 | } | |
244 | if (s_first[bank] >= 0) { | |
245 | if (s_last[bank] < 0) { | |
246 | if (addr_last > b_end) { | |
247 | s_last[bank] = s_end; | |
248 | } else { | |
4b9206ed | 249 | puts ("Error: end address" |
bdccc4fe WD |
250 | " not on sector boundary\n"); |
251 | rcode = 1; | |
252 | break; | |
253 | } | |
254 | } | |
255 | if (s_last[bank] < s_first[bank]) { | |
4b9206ed | 256 | puts ("Error: end sector" |
bdccc4fe WD |
257 | " precedes start sector\n"); |
258 | rcode = 1; | |
259 | break; | |
260 | } | |
261 | sect = s_last[bank]; | |
262 | addr_first = (sect == s_end) ? b_end + 1: info->start[sect + 1]; | |
263 | (*s_count) += s_last[bank] - s_first[bank] + 1; | |
e2ffd59b WD |
264 | } else if (addr_first >= info->start[0] && addr_first < b_end) { |
265 | puts ("Error: start address not on sector boundary\n"); | |
266 | rcode = 1; | |
267 | break; | |
2d5b561e | 268 | } else if (s_last[bank] >= 0) { |
4b9206ed | 269 | puts ("Error: cannot span across banks when they are" |
2d5b561e WD |
270 | " mapped in reverse order\n"); |
271 | rcode = 1; | |
272 | break; | |
bdccc4fe WD |
273 | } |
274 | } | |
38a24a61 | 275 | |
bdccc4fe | 276 | return rcode; |
38a24a61 | 277 | } |
bdccc4fe | 278 | |
38a24a61 WD |
279 | int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
280 | { | |
281 | ulong bank; | |
282 | ||
2abbe075 WD |
283 | #ifdef CONFIG_HAS_DATAFLASH |
284 | dataflash_print_info(); | |
285 | #endif | |
286 | ||
38a24a61 WD |
287 | if (argc == 1) { /* print info for all FLASH banks */ |
288 | for (bank=0; bank <CFG_MAX_FLASH_BANKS; ++bank) { | |
289 | printf ("\nBank # %ld: ", bank+1); | |
290 | ||
291 | flash_print_info (&flash_info[bank]); | |
292 | } | |
293 | return 0; | |
294 | } | |
295 | ||
296 | bank = simple_strtoul(argv[1], NULL, 16); | |
297 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
298 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
299 | CFG_MAX_FLASH_BANKS); | |
300 | return 1; | |
301 | } | |
302 | printf ("\nBank # %ld: ", bank); | |
303 | flash_print_info (&flash_info[bank-1]); | |
304 | return 0; | |
305 | } | |
700a0c64 | 306 | |
38a24a61 WD |
307 | int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
308 | { | |
309 | flash_info_t *info; | |
310 | ulong bank, addr_first, addr_last; | |
311 | int n, sect_first, sect_last; | |
baa26db4 | 312 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
700a0c64 WD |
313 | struct mtd_device *dev; |
314 | struct part_info *part; | |
315 | u8 dev_type, dev_num, pnum; | |
316 | #endif | |
38a24a61 WD |
317 | int rcode = 0; |
318 | ||
319 | if (argc < 2) { | |
320 | printf ("Usage:\n%s\n", cmdtp->usage); | |
321 | return 1; | |
322 | } | |
323 | ||
324 | if (strcmp(argv[1], "all") == 0) { | |
325 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { | |
326 | printf ("Erase Flash Bank # %ld ", bank); | |
327 | info = &flash_info[bank-1]; | |
328 | rcode = flash_erase (info, 0, info->sector_count-1); | |
329 | } | |
330 | return rcode; | |
331 | } | |
332 | ||
333 | if ((n = abbrev_spec(argv[1], &info, §_first, §_last)) != 0) { | |
334 | if (n < 0) { | |
4b9206ed | 335 | puts ("Bad sector specification\n"); |
38a24a61 WD |
336 | return 1; |
337 | } | |
338 | printf ("Erase Flash Sectors %d-%d in Bank # %d ", | |
339 | sect_first, sect_last, (info-flash_info)+1); | |
340 | rcode = flash_erase(info, sect_first, sect_last); | |
341 | return rcode; | |
342 | } | |
343 | ||
baa26db4 | 344 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
700a0c64 WD |
345 | /* erase <part-id> - erase partition */ |
346 | if ((argc == 2) && (id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) { | |
347 | mtdparts_init(); | |
348 | if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) { | |
349 | if (dev->id->type == MTD_DEV_TYPE_NOR) { | |
350 | bank = dev->id->num; | |
351 | info = &flash_info[bank]; | |
352 | addr_first = part->offset + info->start[0]; | |
353 | addr_last = addr_first + part->size - 1; | |
354 | ||
355 | printf ("Erase Flash Parition %s, " | |
356 | "bank %d, 0x%08lx - 0x%08lx ", | |
357 | argv[1], bank, addr_first, | |
358 | addr_last); | |
359 | ||
360 | rcode = flash_sect_erase(addr_first, addr_last); | |
361 | return rcode; | |
362 | } | |
363 | ||
364 | printf("cannot erase, not a NOR device\n"); | |
365 | return 1; | |
366 | } | |
367 | } | |
368 | #endif | |
369 | ||
38a24a61 WD |
370 | if (argc != 3) { |
371 | printf ("Usage:\n%s\n", cmdtp->usage); | |
372 | return 1; | |
373 | } | |
374 | ||
375 | if (strcmp(argv[1], "bank") == 0) { | |
376 | bank = simple_strtoul(argv[2], NULL, 16); | |
377 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
378 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
379 | CFG_MAX_FLASH_BANKS); | |
380 | return 1; | |
381 | } | |
382 | printf ("Erase Flash Bank # %ld ", bank); | |
383 | info = &flash_info[bank-1]; | |
384 | rcode = flash_erase (info, 0, info->sector_count-1); | |
385 | return rcode; | |
386 | } | |
387 | ||
f530187d WD |
388 | if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){ |
389 | printf ("Bad address format\n"); | |
390 | return 1; | |
391 | } | |
38a24a61 WD |
392 | |
393 | if (addr_first >= addr_last) { | |
394 | printf ("Usage:\n%s\n", cmdtp->usage); | |
395 | return 1; | |
396 | } | |
397 | ||
38a24a61 WD |
398 | rcode = flash_sect_erase(addr_first, addr_last); |
399 | return rcode; | |
400 | } | |
401 | ||
402 | int flash_sect_erase (ulong addr_first, ulong addr_last) | |
403 | { | |
404 | flash_info_t *info; | |
405 | ulong bank; | |
e6f2e902 MB |
406 | #ifdef CFG_MAX_FLASH_BANKS_DETECT |
407 | int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT]; | |
408 | #else | |
bdccc4fe | 409 | int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS]; |
e6f2e902 | 410 | #endif |
bdccc4fe WD |
411 | int erased = 0; |
412 | int planned; | |
38a24a61 WD |
413 | int rcode = 0; |
414 | ||
bdccc4fe WD |
415 | rcode = flash_fill_sect_ranges (addr_first, addr_last, |
416 | s_first, s_last, &planned ); | |
417 | ||
418 | if (planned && (rcode == 0)) { | |
419 | for (bank=0,info=&flash_info[0]; | |
420 | (bank < CFG_MAX_FLASH_BANKS) && (rcode == 0); | |
421 | ++bank, ++info) { | |
422 | if (s_first[bank]>=0) { | |
423 | erased += s_last[bank] - s_first[bank] + 1; | |
013dc8d9 | 424 | debug ("Erase Flash from 0x%08lx to 0x%08lx " |
bdccc4fe WD |
425 | "in Bank # %ld ", |
426 | info->start[s_first[bank]], | |
427 | (s_last[bank] == info->sector_count) ? | |
428 | info->start[0] + info->size - 1: | |
429 | info->start[s_last[bank]+1] - 1, | |
430 | bank+1); | |
431 | rcode = flash_erase (info, s_first[bank], s_last[bank]); | |
38a24a61 WD |
432 | } |
433 | } | |
38a24a61 | 434 | printf ("Erased %d sectors\n", erased); |
bdccc4fe | 435 | } else if (rcode == 0) { |
4b9206ed | 436 | puts ("Error: start and/or end address" |
38a24a61 WD |
437 | " not on sector boundary\n"); |
438 | rcode = 1; | |
439 | } | |
440 | return rcode; | |
441 | } | |
442 | ||
38a24a61 WD |
443 | int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
444 | { | |
445 | flash_info_t *info; | |
446 | ulong bank, addr_first, addr_last; | |
447 | int i, p, n, sect_first, sect_last; | |
baa26db4 | 448 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
700a0c64 WD |
449 | struct mtd_device *dev; |
450 | struct part_info *part; | |
451 | u8 dev_type, dev_num, pnum; | |
452 | #endif | |
38a24a61 | 453 | int rcode = 0; |
5779d8d9 WD |
454 | #ifdef CONFIG_HAS_DATAFLASH |
455 | int status; | |
456 | #endif | |
2662b40c | 457 | |
38a24a61 WD |
458 | if (argc < 3) { |
459 | printf ("Usage:\n%s\n", cmdtp->usage); | |
460 | return 1; | |
461 | } | |
462 | ||
bdccc4fe | 463 | if (strcmp(argv[1], "off") == 0) { |
38a24a61 | 464 | p = 0; |
bdccc4fe | 465 | } else if (strcmp(argv[1], "on") == 0) { |
38a24a61 | 466 | p = 1; |
bdccc4fe | 467 | } else { |
38a24a61 WD |
468 | printf ("Usage:\n%s\n", cmdtp->usage); |
469 | return 1; | |
470 | } | |
471 | ||
5779d8d9 WD |
472 | #ifdef CONFIG_HAS_DATAFLASH |
473 | if ((strcmp(argv[2], "all") != 0) && (strcmp(argv[2], "bank") != 0)) { | |
474 | addr_first = simple_strtoul(argv[2], NULL, 16); | |
475 | addr_last = simple_strtoul(argv[3], NULL, 16); | |
476 | ||
477 | if (addr_dataflash(addr_first) && addr_dataflash(addr_last)) { | |
478 | status = dataflash_real_protect(p,addr_first,addr_last); | |
479 | if (status < 0){ | |
4b9206ed | 480 | puts ("Bad DataFlash sector specification\n"); |
d4ca31c4 WD |
481 | return 1; |
482 | } | |
483 | printf("%sProtect %d DataFlash Sectors\n", | |
484 | p ? "" : "Un-", status); | |
5779d8d9 WD |
485 | return 0; |
486 | } | |
487 | } | |
488 | #endif | |
d4ca31c4 | 489 | |
38a24a61 WD |
490 | if (strcmp(argv[2], "all") == 0) { |
491 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { | |
492 | info = &flash_info[bank-1]; | |
493 | if (info->flash_id == FLASH_UNKNOWN) { | |
494 | continue; | |
495 | } | |
496 | printf ("%sProtect Flash Bank # %ld\n", | |
497 | p ? "" : "Un-", bank); | |
498 | ||
499 | for (i=0; i<info->sector_count; ++i) { | |
500 | #if defined(CFG_FLASH_PROTECTION) | |
501 | if (flash_real_protect(info, i, p)) | |
502 | rcode = 1; | |
503 | putc ('.'); | |
504 | #else | |
505 | info->protect[i] = p; | |
506 | #endif /* CFG_FLASH_PROTECTION */ | |
507 | } | |
38a24a61 | 508 | #if defined(CFG_FLASH_PROTECTION) |
bb74140d | 509 | if (!rcode) puts (" done\n"); |
38a24a61 | 510 | #endif /* CFG_FLASH_PROTECTION */ |
bb74140d | 511 | } |
38a24a61 WD |
512 | return rcode; |
513 | } | |
514 | ||
515 | if ((n = abbrev_spec(argv[2], &info, §_first, §_last)) != 0) { | |
516 | if (n < 0) { | |
4b9206ed | 517 | puts ("Bad sector specification\n"); |
38a24a61 WD |
518 | return 1; |
519 | } | |
520 | printf("%sProtect Flash Sectors %d-%d in Bank # %d\n", | |
521 | p ? "" : "Un-", sect_first, sect_last, | |
522 | (info-flash_info)+1); | |
523 | for (i = sect_first; i <= sect_last; i++) { | |
524 | #if defined(CFG_FLASH_PROTECTION) | |
525 | if (flash_real_protect(info, i, p)) | |
526 | rcode = 1; | |
527 | putc ('.'); | |
528 | #else | |
529 | info->protect[i] = p; | |
530 | #endif /* CFG_FLASH_PROTECTION */ | |
531 | } | |
532 | ||
533 | #if defined(CFG_FLASH_PROTECTION) | |
534 | if (!rcode) puts (" done\n"); | |
535 | #endif /* CFG_FLASH_PROTECTION */ | |
536 | ||
537 | return rcode; | |
538 | } | |
8f79e4c2 | 539 | |
baa26db4 | 540 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
700a0c64 WD |
541 | /* protect on/off <part-id> */ |
542 | if ((argc == 3) && (id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) { | |
543 | mtdparts_init(); | |
544 | if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) { | |
545 | if (dev->id->type == MTD_DEV_TYPE_NOR) { | |
546 | bank = dev->id->num; | |
547 | info = &flash_info[bank]; | |
548 | addr_first = part->offset + info->start[0]; | |
549 | addr_last = addr_first + part->size - 1; | |
550 | ||
551 | printf ("%sProtect Flash Parition %s, " | |
552 | "bank %d, 0x%08lx - 0x%08lx\n", | |
553 | p ? "" : "Un", argv[1], | |
554 | bank, addr_first, addr_last); | |
555 | ||
556 | rcode = flash_sect_protect (p, addr_first, addr_last); | |
557 | return rcode; | |
558 | } | |
559 | ||
560 | printf("cannot %sprotect, not a NOR device\n", | |
561 | p ? "" : "un"); | |
562 | return 1; | |
563 | } | |
564 | } | |
565 | #endif | |
38a24a61 WD |
566 | |
567 | if (argc != 4) { | |
568 | printf ("Usage:\n%s\n", cmdtp->usage); | |
569 | return 1; | |
570 | } | |
571 | ||
572 | if (strcmp(argv[2], "bank") == 0) { | |
573 | bank = simple_strtoul(argv[3], NULL, 16); | |
574 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
575 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
576 | CFG_MAX_FLASH_BANKS); | |
577 | return 1; | |
578 | } | |
579 | printf ("%sProtect Flash Bank # %ld\n", | |
580 | p ? "" : "Un-", bank); | |
581 | info = &flash_info[bank-1]; | |
582 | ||
583 | if (info->flash_id == FLASH_UNKNOWN) { | |
4b9206ed | 584 | puts ("missing or unknown FLASH type\n"); |
38a24a61 WD |
585 | return 1; |
586 | } | |
587 | for (i=0; i<info->sector_count; ++i) { | |
588 | #if defined(CFG_FLASH_PROTECTION) | |
589 | if (flash_real_protect(info, i, p)) | |
590 | rcode = 1; | |
591 | putc ('.'); | |
592 | #else | |
593 | info->protect[i] = p; | |
594 | #endif /* CFG_FLASH_PROTECTION */ | |
595 | } | |
596 | ||
597 | #if defined(CFG_FLASH_PROTECTION) | |
598 | if (!rcode) puts (" done\n"); | |
599 | #endif /* CFG_FLASH_PROTECTION */ | |
600 | ||
601 | return rcode; | |
602 | } | |
603 | ||
f530187d WD |
604 | if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){ |
605 | printf("Bad address format\n"); | |
606 | return 1; | |
607 | } | |
38a24a61 WD |
608 | |
609 | if (addr_first >= addr_last) { | |
610 | printf ("Usage:\n%s\n", cmdtp->usage); | |
611 | return 1; | |
612 | } | |
613 | rcode = flash_sect_protect (p, addr_first, addr_last); | |
614 | return rcode; | |
615 | } | |
616 | ||
617 | ||
618 | int flash_sect_protect (int p, ulong addr_first, ulong addr_last) | |
619 | { | |
620 | flash_info_t *info; | |
621 | ulong bank; | |
e6f2e902 MB |
622 | #ifdef CFG_MAX_FLASH_BANKS_DETECT |
623 | int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT]; | |
624 | #else | |
bdccc4fe | 625 | int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS]; |
e6f2e902 | 626 | #endif |
38a24a61 | 627 | int protected, i; |
bdccc4fe WD |
628 | int planned; |
629 | int rcode; | |
38a24a61 | 630 | |
bdccc4fe | 631 | rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned ); |
38a24a61 | 632 | |
bdccc4fe | 633 | protected = 0; |
38a24a61 | 634 | |
bdccc4fe WD |
635 | if (planned && (rcode == 0)) { |
636 | for (bank=0,info=&flash_info[0]; bank < CFG_MAX_FLASH_BANKS; ++bank, ++info) { | |
637 | if (info->flash_id == FLASH_UNKNOWN) { | |
38a24a61 | 638 | continue; |
38a24a61 | 639 | } |
bdccc4fe WD |
640 | |
641 | if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) { | |
abcac872 SR |
642 | debug ("%sProtecting sectors %d..%d in bank %ld\n", |
643 | p ? "" : "Un-", | |
bdccc4fe WD |
644 | s_first[bank], s_last[bank], bank+1); |
645 | protected += s_last[bank] - s_first[bank] + 1; | |
646 | for (i=s_first[bank]; i<=s_last[bank]; ++i) { | |
38a24a61 | 647 | #if defined(CFG_FLASH_PROTECTION) |
bdccc4fe WD |
648 | if (flash_real_protect(info, i, p)) |
649 | rcode = 1; | |
650 | putc ('.'); | |
38a24a61 | 651 | #else |
bdccc4fe | 652 | info->protect[i] = p; |
38a24a61 | 653 | #endif /* CFG_FLASH_PROTECTION */ |
bdccc4fe | 654 | } |
38a24a61 | 655 | } |
2662b40c | 656 | } |
38a24a61 | 657 | #if defined(CFG_FLASH_PROTECTION) |
2662b40c | 658 | puts (" done\n"); |
38a24a61 WD |
659 | #endif /* CFG_FLASH_PROTECTION */ |
660 | ||
38a24a61 WD |
661 | printf ("%sProtected %d sectors\n", |
662 | p ? "" : "Un-", protected); | |
bdccc4fe | 663 | } else if (rcode == 0) { |
4b9206ed | 664 | puts ("Error: start and/or end address" |
38a24a61 WD |
665 | " not on sector boundary\n"); |
666 | rcode = 1; | |
667 | } | |
668 | return rcode; | |
669 | } | |
670 | ||
8bde7f77 WD |
671 | |
672 | /**************************************************/ | |
baa26db4 | 673 | #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
c19c3134 WD |
674 | # define TMP_ERASE "erase <part-id>\n - erase partition\n" |
675 | # define TMP_PROT_ON "protect on <part-id>\n - protect partition\n" | |
676 | # define TMP_PROT_OFF "protect off <part-id>\n - make partition writable\n" | |
677 | #else | |
678 | # define TMP_ERASE /* empty */ | |
679 | # define TMP_PROT_ON /* empty */ | |
680 | # define TMP_PROT_OFF /* empty */ | |
681 | #endif | |
8bde7f77 | 682 | |
0d498393 WD |
683 | U_BOOT_CMD( |
684 | flinfo, 2, 1, do_flinfo, | |
8bde7f77 WD |
685 | "flinfo - print FLASH memory information\n", |
686 | "\n - print information for all FLASH memory banks\n" | |
687 | "flinfo N\n - print information for FLASH memory bank # N\n" | |
688 | ); | |
689 | ||
0d498393 | 690 | U_BOOT_CMD( |
9912121f | 691 | erase, 3, 0, do_flerase, |
8bde7f77 WD |
692 | "erase - erase FLASH memory\n", |
693 | "start end\n" | |
694 | " - erase FLASH from addr 'start' to addr 'end'\n" | |
f530187d WD |
695 | "erase start +len\n" |
696 | " - erase FLASH from addr 'start' to the end of sect " | |
697 | "w/addr 'start'+'len'-1\n" | |
8bde7f77 WD |
698 | "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n" |
699 | "erase bank N\n - erase FLASH bank # N\n" | |
c19c3134 | 700 | TMP_ERASE |
8bde7f77 WD |
701 | "erase all\n - erase all FLASH banks\n" |
702 | ); | |
703 | ||
0d498393 | 704 | U_BOOT_CMD( |
9912121f | 705 | protect, 4, 0, do_protect, |
8bde7f77 WD |
706 | "protect - enable or disable FLASH write protection\n", |
707 | "on start end\n" | |
708 | " - protect FLASH from addr 'start' to addr 'end'\n" | |
f530187d WD |
709 | "protect on start +len\n" |
710 | " - protect FLASH from addr 'start' to end of sect " | |
711 | "w/addr 'start'+'len'-1\n" | |
8bde7f77 WD |
712 | "protect on N:SF[-SL]\n" |
713 | " - protect sectors SF-SL in FLASH bank # N\n" | |
714 | "protect on bank N\n - protect FLASH bank # N\n" | |
c19c3134 | 715 | TMP_PROT_ON |
8bde7f77 WD |
716 | "protect on all\n - protect all FLASH banks\n" |
717 | "protect off start end\n" | |
718 | " - make FLASH from addr 'start' to addr 'end' writable\n" | |
f530187d WD |
719 | "protect off start +len\n" |
720 | " - make FLASH from addr 'start' to end of sect " | |
721 | "w/addr 'start'+'len'-1 wrtable\n" | |
8bde7f77 WD |
722 | "protect off N:SF[-SL]\n" |
723 | " - make sectors SF-SL writable in FLASH bank # N\n" | |
724 | "protect off bank N\n - make FLASH bank # N writable\n" | |
c19c3134 | 725 | TMP_PROT_OFF |
8bde7f77 WD |
726 | "protect off all\n - make all FLASH banks writable\n" |
727 | ); | |
728 | ||
c19c3134 WD |
729 | #undef TMP_ERASE |
730 | #undef TMP_PROT_ON | |
731 | #undef TMP_PROT_OFF |