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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 | ||
38a24a61 WD |
34 | #if (CONFIG_COMMANDS & CFG_CMD_FLASH) |
35 | ||
700a0c64 WD |
36 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
37 | #include <jffs2/jffs2.h> | |
38 | ||
39 | /* parition handling routines */ | |
40 | int mtdparts_init(void); | |
41 | int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); | |
42 | int find_dev_and_part(const char *id, struct mtd_device **dev, | |
43 | u8 *part_num, struct part_info **part); | |
44 | #endif | |
45 | ||
38a24a61 WD |
46 | extern flash_info_t flash_info[]; /* info for FLASH chips */ |
47 | ||
48 | /* | |
49 | * The user interface starts numbering for Flash banks with 1 | |
50 | * for historical reasons. | |
51 | */ | |
52 | ||
53 | /* | |
54 | * this routine looks for an abbreviated flash range specification. | |
55 | * the syntax is B:SF[-SL], where B is the bank number, SF is the first | |
56 | * sector to erase, and SL is the last sector to erase (defaults to SF). | |
57 | * bank numbers start at 1 to be consistent with other specs, sector numbers | |
58 | * start at zero. | |
59 | * | |
60 | * returns: 1 - correct spec; *pinfo, *psf and *psl are | |
61 | * set appropriately | |
62 | * 0 - doesn't look like an abbreviated spec | |
63 | * -1 - looks like an abbreviated spec, but got | |
64 | * a parsing error, a number out of range, | |
65 | * or an invalid flash bank. | |
66 | */ | |
67 | static int | |
bdccc4fe | 68 | abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl) |
38a24a61 | 69 | { |
bdccc4fe WD |
70 | flash_info_t *fp; |
71 | int bank, first, last; | |
72 | char *p, *ep; | |
38a24a61 | 73 | |
bdccc4fe WD |
74 | if ((p = strchr (str, ':')) == NULL) |
75 | return 0; | |
76 | *p++ = '\0'; | |
38a24a61 | 77 | |
bdccc4fe WD |
78 | bank = simple_strtoul (str, &ep, 10); |
79 | if (ep == str || *ep != '\0' || | |
80 | bank < 1 || bank > CFG_MAX_FLASH_BANKS || | |
81 | (fp = &flash_info[bank - 1])->flash_id == FLASH_UNKNOWN) | |
82 | return -1; | |
83 | ||
84 | str = p; | |
85 | if ((p = strchr (str, '-')) != NULL) | |
86 | *p++ = '\0'; | |
87 | ||
88 | first = simple_strtoul (str, &ep, 10); | |
89 | if (ep == str || *ep != '\0' || first >= fp->sector_count) | |
90 | return -1; | |
91 | ||
92 | if (p != NULL) { | |
93 | last = simple_strtoul (p, &ep, 10); | |
94 | if (ep == p || *ep != '\0' || | |
95 | last < first || last >= fp->sector_count) | |
96 | return -1; | |
97 | } else { | |
98 | last = first; | |
99 | } | |
38a24a61 | 100 | |
bdccc4fe WD |
101 | *pinfo = fp; |
102 | *psf = first; | |
103 | *psl = last; | |
104 | ||
105 | return 1; | |
106 | } | |
107 | ||
f530187d WD |
108 | /* |
109 | * This function computes the start and end addresses for both | |
110 | * erase and protect commands. The range of the addresses on which | |
111 | * either of the commands is to operate can be given in two forms: | |
112 | * 1. <cmd> start end - operate on <'start', 'end') | |
095b8a37 | 113 | * 2. <cmd> start +length - operate on <'start', start + length) |
f530187d WD |
114 | * If the second form is used and the end address doesn't fall on the |
115 | * sector boundary, than it will be adjusted to the next sector boundary. | |
116 | * If it isn't in the flash, the function will fail (return -1). | |
117 | * Input: | |
118 | * arg1, arg2: address specification (i.e. both command arguments) | |
119 | * Output: | |
120 | * addr_first, addr_last: computed address range | |
121 | * Return: | |
122 | * 1: success | |
123 | * -1: failure (bad format, bad address). | |
124 | */ | |
125 | static int | |
126 | addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last) | |
127 | { | |
2c61f14c | 128 | char len_used = 0; /* indicates if the "start +length" form used */ |
f530187d | 129 | char *ep; |
2c61f14c | 130 | |
f530187d WD |
131 | *addr_first = simple_strtoul(arg1, &ep, 16); |
132 | if (ep == arg1 || *ep != '\0') | |
133 | return -1; | |
134 | ||
f530187d WD |
135 | if (arg2 && *arg2 == '+'){ |
136 | len_used = 1; | |
137 | ++arg2; | |
138 | } | |
139 | ||
140 | *addr_last = simple_strtoul(arg2, &ep, 16); | |
141 | if (ep == arg2 || *ep != '\0') | |
142 | return -1; | |
143 | ||
144 | if (len_used){ | |
2c61f14c WD |
145 | char found = 0; |
146 | ulong bank; | |
147 | ||
f530187d WD |
148 | /* |
149 | * *addr_last has the length, compute correct *addr_last | |
150 | * XXX watch out for the integer overflow! Right now it is | |
151 | * checked for in both the callers. | |
152 | */ | |
153 | *addr_last = *addr_first + *addr_last - 1; | |
154 | ||
155 | /* | |
156 | * It may happen that *addr_last doesn't fall on the sector | |
157 | * boundary. We want to round such an address to the next | |
158 | * sector boundary, so that the commands don't fail later on. | |
159 | */ | |
160 | ||
161 | /* find the end addr of the sector where the *addr_last is */ | |
f530187d WD |
162 | for (bank = 0; bank < CFG_MAX_FLASH_BANKS && !found; ++bank){ |
163 | int i; | |
164 | flash_info_t *info = &flash_info[bank]; | |
165 | for (i = 0; i < info->sector_count && !found; ++i){ | |
166 | /* get the end address of the sector */ | |
167 | ulong sector_end_addr; | |
168 | if (i == info->sector_count - 1){ | |
169 | sector_end_addr = | |
170 | info->start[0] + info->size - 1; | |
171 | } else { | |
172 | sector_end_addr = | |
173 | info->start[i+1] - 1; | |
174 | } | |
175 | if (*addr_last <= sector_end_addr && | |
176 | *addr_last >= info->start[i]){ | |
177 | /* sector found */ | |
178 | found = 1; | |
179 | /* adjust *addr_last if necessary */ | |
180 | if (*addr_last < sector_end_addr){ | |
181 | *addr_last = sector_end_addr; | |
182 | } | |
183 | } | |
184 | } /* sector */ | |
185 | } /* bank */ | |
186 | if (!found){ | |
187 | /* error, addres not in flash */ | |
188 | printf("Error: end address (0x%08lx) not in flash!\n", | |
189 | *addr_last); | |
190 | return -1; | |
191 | } | |
192 | } /* "start +length" from used */ | |
193 | ||
194 | return 1; | |
195 | } | |
196 | ||
bdccc4fe WD |
197 | static int |
198 | flash_fill_sect_ranges (ulong addr_first, ulong addr_last, | |
199 | int *s_first, int *s_last, | |
200 | int *s_count ) | |
201 | { | |
202 | flash_info_t *info; | |
203 | ulong bank; | |
204 | int rcode = 0; | |
205 | ||
206 | *s_count = 0; | |
207 | ||
208 | for (bank=0; bank < CFG_MAX_FLASH_BANKS; ++bank) { | |
209 | s_first[bank] = -1; /* first sector to erase */ | |
210 | s_last [bank] = -1; /* last sector to erase */ | |
211 | } | |
212 | ||
213 | for (bank=0,info=&flash_info[0]; | |
214 | (bank < CFG_MAX_FLASH_BANKS) && (addr_first <= addr_last); | |
215 | ++bank, ++info) { | |
216 | ulong b_end; | |
217 | int sect; | |
218 | short s_end; | |
219 | ||
220 | if (info->flash_id == FLASH_UNKNOWN) { | |
221 | continue; | |
222 | } | |
223 | ||
224 | b_end = info->start[0] + info->size - 1; /* bank end addr */ | |
225 | s_end = info->sector_count - 1; /* last sector */ | |
226 | ||
227 | ||
228 | for (sect=0; sect < info->sector_count; ++sect) { | |
229 | ulong end; /* last address in current sect */ | |
38a24a61 | 230 | |
bdccc4fe | 231 | end = (sect == s_end) ? b_end : info->start[sect + 1] - 1; |
38a24a61 | 232 | |
bdccc4fe WD |
233 | if (addr_first > end) |
234 | continue; | |
235 | if (addr_last < info->start[sect]) | |
236 | continue; | |
38a24a61 | 237 | |
bdccc4fe WD |
238 | if (addr_first == info->start[sect]) { |
239 | s_first[bank] = sect; | |
240 | } | |
241 | if (addr_last == end) { | |
242 | s_last[bank] = sect; | |
243 | } | |
244 | } | |
245 | if (s_first[bank] >= 0) { | |
246 | if (s_last[bank] < 0) { | |
247 | if (addr_last > b_end) { | |
248 | s_last[bank] = s_end; | |
249 | } else { | |
4b9206ed | 250 | puts ("Error: end address" |
bdccc4fe WD |
251 | " not on sector boundary\n"); |
252 | rcode = 1; | |
253 | break; | |
254 | } | |
255 | } | |
256 | if (s_last[bank] < s_first[bank]) { | |
4b9206ed | 257 | puts ("Error: end sector" |
bdccc4fe WD |
258 | " precedes start sector\n"); |
259 | rcode = 1; | |
260 | break; | |
261 | } | |
262 | sect = s_last[bank]; | |
263 | addr_first = (sect == s_end) ? b_end + 1: info->start[sect + 1]; | |
264 | (*s_count) += s_last[bank] - s_first[bank] + 1; | |
e2ffd59b WD |
265 | } else if (addr_first >= info->start[0] && addr_first < b_end) { |
266 | puts ("Error: start address not on sector boundary\n"); | |
267 | rcode = 1; | |
268 | break; | |
2d5b561e | 269 | } else if (s_last[bank] >= 0) { |
4b9206ed | 270 | puts ("Error: cannot span across banks when they are" |
2d5b561e WD |
271 | " mapped in reverse order\n"); |
272 | rcode = 1; | |
273 | break; | |
bdccc4fe WD |
274 | } |
275 | } | |
38a24a61 | 276 | |
bdccc4fe | 277 | return rcode; |
38a24a61 | 278 | } |
bdccc4fe | 279 | |
38a24a61 WD |
280 | int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
281 | { | |
282 | ulong bank; | |
283 | ||
2abbe075 WD |
284 | #ifdef CONFIG_HAS_DATAFLASH |
285 | dataflash_print_info(); | |
286 | #endif | |
287 | ||
38a24a61 WD |
288 | if (argc == 1) { /* print info for all FLASH banks */ |
289 | for (bank=0; bank <CFG_MAX_FLASH_BANKS; ++bank) { | |
290 | printf ("\nBank # %ld: ", bank+1); | |
291 | ||
292 | flash_print_info (&flash_info[bank]); | |
293 | } | |
294 | return 0; | |
295 | } | |
296 | ||
297 | bank = simple_strtoul(argv[1], NULL, 16); | |
298 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
299 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
300 | CFG_MAX_FLASH_BANKS); | |
301 | return 1; | |
302 | } | |
303 | printf ("\nBank # %ld: ", bank); | |
304 | flash_print_info (&flash_info[bank-1]); | |
305 | return 0; | |
306 | } | |
700a0c64 | 307 | |
38a24a61 WD |
308 | int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
309 | { | |
310 | flash_info_t *info; | |
311 | ulong bank, addr_first, addr_last; | |
312 | int n, sect_first, sect_last; | |
700a0c64 WD |
313 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
314 | struct mtd_device *dev; | |
315 | struct part_info *part; | |
316 | u8 dev_type, dev_num, pnum; | |
317 | #endif | |
38a24a61 WD |
318 | int rcode = 0; |
319 | ||
320 | if (argc < 2) { | |
321 | printf ("Usage:\n%s\n", cmdtp->usage); | |
322 | return 1; | |
323 | } | |
324 | ||
325 | if (strcmp(argv[1], "all") == 0) { | |
326 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { | |
327 | printf ("Erase Flash Bank # %ld ", bank); | |
328 | info = &flash_info[bank-1]; | |
329 | rcode = flash_erase (info, 0, info->sector_count-1); | |
330 | } | |
331 | return rcode; | |
332 | } | |
333 | ||
334 | if ((n = abbrev_spec(argv[1], &info, §_first, §_last)) != 0) { | |
335 | if (n < 0) { | |
4b9206ed | 336 | puts ("Bad sector specification\n"); |
38a24a61 WD |
337 | return 1; |
338 | } | |
339 | printf ("Erase Flash Sectors %d-%d in Bank # %d ", | |
340 | sect_first, sect_last, (info-flash_info)+1); | |
341 | rcode = flash_erase(info, sect_first, sect_last); | |
342 | return rcode; | |
343 | } | |
344 | ||
700a0c64 WD |
345 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
346 | /* erase <part-id> - erase partition */ | |
347 | if ((argc == 2) && (id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) { | |
348 | mtdparts_init(); | |
349 | if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) { | |
350 | if (dev->id->type == MTD_DEV_TYPE_NOR) { | |
351 | bank = dev->id->num; | |
352 | info = &flash_info[bank]; | |
353 | addr_first = part->offset + info->start[0]; | |
354 | addr_last = addr_first + part->size - 1; | |
355 | ||
356 | printf ("Erase Flash Parition %s, " | |
357 | "bank %d, 0x%08lx - 0x%08lx ", | |
358 | argv[1], bank, addr_first, | |
359 | addr_last); | |
360 | ||
361 | rcode = flash_sect_erase(addr_first, addr_last); | |
362 | return rcode; | |
363 | } | |
364 | ||
365 | printf("cannot erase, not a NOR device\n"); | |
366 | return 1; | |
367 | } | |
368 | } | |
369 | #endif | |
370 | ||
38a24a61 WD |
371 | if (argc != 3) { |
372 | printf ("Usage:\n%s\n", cmdtp->usage); | |
373 | return 1; | |
374 | } | |
375 | ||
376 | if (strcmp(argv[1], "bank") == 0) { | |
377 | bank = simple_strtoul(argv[2], NULL, 16); | |
378 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
379 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
380 | CFG_MAX_FLASH_BANKS); | |
381 | return 1; | |
382 | } | |
383 | printf ("Erase Flash Bank # %ld ", bank); | |
384 | info = &flash_info[bank-1]; | |
385 | rcode = flash_erase (info, 0, info->sector_count-1); | |
386 | return rcode; | |
387 | } | |
388 | ||
f530187d WD |
389 | if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){ |
390 | printf ("Bad address format\n"); | |
391 | return 1; | |
392 | } | |
38a24a61 WD |
393 | |
394 | if (addr_first >= addr_last) { | |
395 | printf ("Usage:\n%s\n", cmdtp->usage); | |
396 | return 1; | |
397 | } | |
398 | ||
38a24a61 WD |
399 | rcode = flash_sect_erase(addr_first, addr_last); |
400 | return rcode; | |
401 | } | |
402 | ||
403 | int flash_sect_erase (ulong addr_first, ulong addr_last) | |
404 | { | |
405 | flash_info_t *info; | |
406 | ulong bank; | |
bdccc4fe WD |
407 | int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS]; |
408 | int erased = 0; | |
409 | int planned; | |
38a24a61 WD |
410 | int rcode = 0; |
411 | ||
bdccc4fe WD |
412 | rcode = flash_fill_sect_ranges (addr_first, addr_last, |
413 | s_first, s_last, &planned ); | |
414 | ||
415 | if (planned && (rcode == 0)) { | |
416 | for (bank=0,info=&flash_info[0]; | |
417 | (bank < CFG_MAX_FLASH_BANKS) && (rcode == 0); | |
418 | ++bank, ++info) { | |
419 | if (s_first[bank]>=0) { | |
420 | erased += s_last[bank] - s_first[bank] + 1; | |
013dc8d9 | 421 | debug ("Erase Flash from 0x%08lx to 0x%08lx " |
bdccc4fe WD |
422 | "in Bank # %ld ", |
423 | info->start[s_first[bank]], | |
424 | (s_last[bank] == info->sector_count) ? | |
425 | info->start[0] + info->size - 1: | |
426 | info->start[s_last[bank]+1] - 1, | |
427 | bank+1); | |
428 | rcode = flash_erase (info, s_first[bank], s_last[bank]); | |
38a24a61 WD |
429 | } |
430 | } | |
38a24a61 | 431 | printf ("Erased %d sectors\n", erased); |
bdccc4fe | 432 | } else if (rcode == 0) { |
4b9206ed | 433 | puts ("Error: start and/or end address" |
38a24a61 WD |
434 | " not on sector boundary\n"); |
435 | rcode = 1; | |
436 | } | |
437 | return rcode; | |
438 | } | |
439 | ||
38a24a61 WD |
440 | int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
441 | { | |
442 | flash_info_t *info; | |
443 | ulong bank, addr_first, addr_last; | |
444 | int i, p, n, sect_first, sect_last; | |
700a0c64 WD |
445 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
446 | struct mtd_device *dev; | |
447 | struct part_info *part; | |
448 | u8 dev_type, dev_num, pnum; | |
449 | #endif | |
38a24a61 | 450 | int rcode = 0; |
5779d8d9 WD |
451 | #ifdef CONFIG_HAS_DATAFLASH |
452 | int status; | |
453 | #endif | |
38a24a61 WD |
454 | if (argc < 3) { |
455 | printf ("Usage:\n%s\n", cmdtp->usage); | |
456 | return 1; | |
457 | } | |
458 | ||
bdccc4fe | 459 | if (strcmp(argv[1], "off") == 0) { |
38a24a61 | 460 | p = 0; |
bdccc4fe | 461 | } else if (strcmp(argv[1], "on") == 0) { |
38a24a61 | 462 | p = 1; |
bdccc4fe | 463 | } else { |
38a24a61 WD |
464 | printf ("Usage:\n%s\n", cmdtp->usage); |
465 | return 1; | |
466 | } | |
467 | ||
5779d8d9 WD |
468 | #ifdef CONFIG_HAS_DATAFLASH |
469 | if ((strcmp(argv[2], "all") != 0) && (strcmp(argv[2], "bank") != 0)) { | |
470 | addr_first = simple_strtoul(argv[2], NULL, 16); | |
471 | addr_last = simple_strtoul(argv[3], NULL, 16); | |
472 | ||
473 | if (addr_dataflash(addr_first) && addr_dataflash(addr_last)) { | |
474 | status = dataflash_real_protect(p,addr_first,addr_last); | |
475 | if (status < 0){ | |
4b9206ed | 476 | puts ("Bad DataFlash sector specification\n"); |
d4ca31c4 WD |
477 | return 1; |
478 | } | |
479 | printf("%sProtect %d DataFlash Sectors\n", | |
480 | p ? "" : "Un-", status); | |
5779d8d9 WD |
481 | return 0; |
482 | } | |
483 | } | |
484 | #endif | |
d4ca31c4 | 485 | |
38a24a61 WD |
486 | if (strcmp(argv[2], "all") == 0) { |
487 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { | |
488 | info = &flash_info[bank-1]; | |
489 | if (info->flash_id == FLASH_UNKNOWN) { | |
490 | continue; | |
491 | } | |
492 | printf ("%sProtect Flash Bank # %ld\n", | |
493 | p ? "" : "Un-", bank); | |
494 | ||
495 | for (i=0; i<info->sector_count; ++i) { | |
496 | #if defined(CFG_FLASH_PROTECTION) | |
497 | if (flash_real_protect(info, i, p)) | |
498 | rcode = 1; | |
499 | putc ('.'); | |
500 | #else | |
501 | info->protect[i] = p; | |
502 | #endif /* CFG_FLASH_PROTECTION */ | |
503 | } | |
504 | } | |
505 | ||
506 | #if defined(CFG_FLASH_PROTECTION) | |
507 | if (!rcode) puts (" done\n"); | |
508 | #endif /* CFG_FLASH_PROTECTION */ | |
509 | ||
510 | return rcode; | |
511 | } | |
512 | ||
513 | if ((n = abbrev_spec(argv[2], &info, §_first, §_last)) != 0) { | |
514 | if (n < 0) { | |
4b9206ed | 515 | puts ("Bad sector specification\n"); |
38a24a61 WD |
516 | return 1; |
517 | } | |
518 | printf("%sProtect Flash Sectors %d-%d in Bank # %d\n", | |
519 | p ? "" : "Un-", sect_first, sect_last, | |
520 | (info-flash_info)+1); | |
521 | for (i = sect_first; i <= sect_last; i++) { | |
522 | #if defined(CFG_FLASH_PROTECTION) | |
523 | if (flash_real_protect(info, i, p)) | |
524 | rcode = 1; | |
525 | putc ('.'); | |
526 | #else | |
527 | info->protect[i] = p; | |
528 | #endif /* CFG_FLASH_PROTECTION */ | |
529 | } | |
530 | ||
531 | #if defined(CFG_FLASH_PROTECTION) | |
532 | if (!rcode) puts (" done\n"); | |
533 | #endif /* CFG_FLASH_PROTECTION */ | |
534 | ||
535 | return rcode; | |
536 | } | |
700a0c64 WD |
537 | |
538 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) | |
539 | /* protect on/off <part-id> */ | |
540 | if ((argc == 3) && (id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) { | |
541 | mtdparts_init(); | |
542 | if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) { | |
543 | if (dev->id->type == MTD_DEV_TYPE_NOR) { | |
544 | bank = dev->id->num; | |
545 | info = &flash_info[bank]; | |
546 | addr_first = part->offset + info->start[0]; | |
547 | addr_last = addr_first + part->size - 1; | |
548 | ||
549 | printf ("%sProtect Flash Parition %s, " | |
550 | "bank %d, 0x%08lx - 0x%08lx\n", | |
551 | p ? "" : "Un", argv[1], | |
552 | bank, addr_first, addr_last); | |
553 | ||
554 | rcode = flash_sect_protect (p, addr_first, addr_last); | |
555 | return rcode; | |
556 | } | |
557 | ||
558 | printf("cannot %sprotect, not a NOR device\n", | |
559 | p ? "" : "un"); | |
560 | return 1; | |
561 | } | |
562 | } | |
563 | #endif | |
38a24a61 WD |
564 | |
565 | if (argc != 4) { | |
566 | printf ("Usage:\n%s\n", cmdtp->usage); | |
567 | return 1; | |
568 | } | |
569 | ||
570 | if (strcmp(argv[2], "bank") == 0) { | |
571 | bank = simple_strtoul(argv[3], NULL, 16); | |
572 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
573 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
574 | CFG_MAX_FLASH_BANKS); | |
575 | return 1; | |
576 | } | |
577 | printf ("%sProtect Flash Bank # %ld\n", | |
578 | p ? "" : "Un-", bank); | |
579 | info = &flash_info[bank-1]; | |
580 | ||
581 | if (info->flash_id == FLASH_UNKNOWN) { | |
4b9206ed | 582 | puts ("missing or unknown FLASH type\n"); |
38a24a61 WD |
583 | return 1; |
584 | } | |
585 | for (i=0; i<info->sector_count; ++i) { | |
586 | #if defined(CFG_FLASH_PROTECTION) | |
587 | if (flash_real_protect(info, i, p)) | |
588 | rcode = 1; | |
589 | putc ('.'); | |
590 | #else | |
591 | info->protect[i] = p; | |
592 | #endif /* CFG_FLASH_PROTECTION */ | |
593 | } | |
594 | ||
595 | #if defined(CFG_FLASH_PROTECTION) | |
596 | if (!rcode) puts (" done\n"); | |
597 | #endif /* CFG_FLASH_PROTECTION */ | |
598 | ||
599 | return rcode; | |
600 | } | |
601 | ||
f530187d WD |
602 | if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){ |
603 | printf("Bad address format\n"); | |
604 | return 1; | |
605 | } | |
38a24a61 WD |
606 | |
607 | if (addr_first >= addr_last) { | |
608 | printf ("Usage:\n%s\n", cmdtp->usage); | |
609 | return 1; | |
610 | } | |
611 | rcode = flash_sect_protect (p, addr_first, addr_last); | |
612 | return rcode; | |
613 | } | |
614 | ||
615 | ||
616 | int flash_sect_protect (int p, ulong addr_first, ulong addr_last) | |
617 | { | |
618 | flash_info_t *info; | |
619 | ulong bank; | |
bdccc4fe | 620 | int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS]; |
38a24a61 | 621 | int protected, i; |
bdccc4fe WD |
622 | int planned; |
623 | int rcode; | |
38a24a61 | 624 | |
bdccc4fe | 625 | rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned ); |
38a24a61 | 626 | |
bdccc4fe | 627 | protected = 0; |
38a24a61 | 628 | |
bdccc4fe WD |
629 | if (planned && (rcode == 0)) { |
630 | for (bank=0,info=&flash_info[0]; bank < CFG_MAX_FLASH_BANKS; ++bank, ++info) { | |
631 | if (info->flash_id == FLASH_UNKNOWN) { | |
38a24a61 | 632 | continue; |
38a24a61 | 633 | } |
bdccc4fe WD |
634 | |
635 | if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) { | |
abcac872 SR |
636 | debug ("%sProtecting sectors %d..%d in bank %ld\n", |
637 | p ? "" : "Un-", | |
bdccc4fe WD |
638 | s_first[bank], s_last[bank], bank+1); |
639 | protected += s_last[bank] - s_first[bank] + 1; | |
640 | for (i=s_first[bank]; i<=s_last[bank]; ++i) { | |
38a24a61 | 641 | #if defined(CFG_FLASH_PROTECTION) |
bdccc4fe WD |
642 | if (flash_real_protect(info, i, p)) |
643 | rcode = 1; | |
644 | putc ('.'); | |
38a24a61 | 645 | #else |
bdccc4fe | 646 | info->protect[i] = p; |
38a24a61 | 647 | #endif /* CFG_FLASH_PROTECTION */ |
bdccc4fe | 648 | } |
38a24a61 | 649 | } |
38a24a61 | 650 | #if defined(CFG_FLASH_PROTECTION) |
bdccc4fe | 651 | if (!rcode) putc ('\n'); |
38a24a61 | 652 | #endif /* CFG_FLASH_PROTECTION */ |
bdccc4fe | 653 | } |
38a24a61 | 654 | |
38a24a61 WD |
655 | printf ("%sProtected %d sectors\n", |
656 | p ? "" : "Un-", protected); | |
bdccc4fe | 657 | } else if (rcode == 0) { |
4b9206ed | 658 | puts ("Error: start and/or end address" |
38a24a61 WD |
659 | " not on sector boundary\n"); |
660 | rcode = 1; | |
661 | } | |
662 | return rcode; | |
663 | } | |
664 | ||
8bde7f77 WD |
665 | |
666 | /**************************************************/ | |
667 | ||
0d498393 WD |
668 | U_BOOT_CMD( |
669 | flinfo, 2, 1, do_flinfo, | |
8bde7f77 WD |
670 | "flinfo - print FLASH memory information\n", |
671 | "\n - print information for all FLASH memory banks\n" | |
672 | "flinfo N\n - print information for FLASH memory bank # N\n" | |
673 | ); | |
674 | ||
0d498393 WD |
675 | U_BOOT_CMD( |
676 | erase, 3, 1, do_flerase, | |
8bde7f77 WD |
677 | "erase - erase FLASH memory\n", |
678 | "start end\n" | |
679 | " - erase FLASH from addr 'start' to addr 'end'\n" | |
f530187d WD |
680 | "erase start +len\n" |
681 | " - erase FLASH from addr 'start' to the end of sect " | |
682 | "w/addr 'start'+'len'-1\n" | |
8bde7f77 WD |
683 | "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n" |
684 | "erase bank N\n - erase FLASH bank # N\n" | |
700a0c64 WD |
685 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
686 | "erase <part-id>\n - erase partition\n" | |
687 | #endif | |
8bde7f77 WD |
688 | "erase all\n - erase all FLASH banks\n" |
689 | ); | |
690 | ||
0d498393 WD |
691 | U_BOOT_CMD( |
692 | protect, 4, 1, do_protect, | |
8bde7f77 WD |
693 | "protect - enable or disable FLASH write protection\n", |
694 | "on start end\n" | |
695 | " - protect FLASH from addr 'start' to addr 'end'\n" | |
f530187d WD |
696 | "protect on start +len\n" |
697 | " - protect FLASH from addr 'start' to end of sect " | |
698 | "w/addr 'start'+'len'-1\n" | |
8bde7f77 WD |
699 | "protect on N:SF[-SL]\n" |
700 | " - protect sectors SF-SL in FLASH bank # N\n" | |
701 | "protect on bank N\n - protect FLASH bank # N\n" | |
700a0c64 WD |
702 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
703 | "protect on <part-id>\n - protect partition\n" | |
704 | #endif | |
8bde7f77 WD |
705 | "protect on all\n - protect all FLASH banks\n" |
706 | "protect off start end\n" | |
707 | " - make FLASH from addr 'start' to addr 'end' writable\n" | |
f530187d WD |
708 | "protect off start +len\n" |
709 | " - make FLASH from addr 'start' to end of sect " | |
710 | "w/addr 'start'+'len'-1 wrtable\n" | |
8bde7f77 WD |
711 | "protect off N:SF[-SL]\n" |
712 | " - make sectors SF-SL writable in FLASH bank # N\n" | |
713 | "protect off bank N\n - make FLASH bank # N writable\n" | |
700a0c64 WD |
714 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
715 | "protect off <part-id>\n - make partition writable\n" | |
716 | #endif | |
8bde7f77 WD |
717 | "protect off all\n - make all FLASH banks writable\n" |
718 | ); | |
719 | ||
38a24a61 | 720 | #endif /* CFG_CMD_FLASH */ |