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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 | { | |
128 | char *ep; | |
bb74140d HS |
129 | char len_used; /* indicates if the "start +length" form used */ |
130 | char found; | |
131 | ulong bank; | |
2c61f14c | 132 | |
f530187d WD |
133 | *addr_first = simple_strtoul(arg1, &ep, 16); |
134 | if (ep == arg1 || *ep != '\0') | |
135 | return -1; | |
136 | ||
bb74140d | 137 | len_used = 0; |
f530187d WD |
138 | if (arg2 && *arg2 == '+'){ |
139 | len_used = 1; | |
140 | ++arg2; | |
141 | } | |
142 | ||
143 | *addr_last = simple_strtoul(arg2, &ep, 16); | |
144 | if (ep == arg2 || *ep != '\0') | |
145 | return -1; | |
146 | ||
147 | if (len_used){ | |
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 */ | |
bb74140d | 162 | found = 0; |
f530187d WD |
163 | for (bank = 0; bank < CFG_MAX_FLASH_BANKS && !found; ++bank){ |
164 | int i; | |
165 | flash_info_t *info = &flash_info[bank]; | |
166 | for (i = 0; i < info->sector_count && !found; ++i){ | |
167 | /* get the end address of the sector */ | |
168 | ulong sector_end_addr; | |
169 | if (i == info->sector_count - 1){ | |
170 | sector_end_addr = | |
171 | info->start[0] + info->size - 1; | |
172 | } else { | |
173 | sector_end_addr = | |
174 | info->start[i+1] - 1; | |
175 | } | |
176 | if (*addr_last <= sector_end_addr && | |
177 | *addr_last >= info->start[i]){ | |
178 | /* sector found */ | |
179 | found = 1; | |
180 | /* adjust *addr_last if necessary */ | |
181 | if (*addr_last < sector_end_addr){ | |
182 | *addr_last = sector_end_addr; | |
183 | } | |
184 | } | |
185 | } /* sector */ | |
186 | } /* bank */ | |
187 | if (!found){ | |
188 | /* error, addres not in flash */ | |
189 | printf("Error: end address (0x%08lx) not in flash!\n", | |
190 | *addr_last); | |
191 | return -1; | |
192 | } | |
193 | } /* "start +length" from used */ | |
194 | ||
195 | return 1; | |
196 | } | |
197 | ||
bdccc4fe WD |
198 | static int |
199 | flash_fill_sect_ranges (ulong addr_first, ulong addr_last, | |
200 | int *s_first, int *s_last, | |
201 | int *s_count ) | |
202 | { | |
203 | flash_info_t *info; | |
204 | ulong bank; | |
205 | int rcode = 0; | |
206 | ||
207 | *s_count = 0; | |
208 | ||
209 | for (bank=0; bank < CFG_MAX_FLASH_BANKS; ++bank) { | |
210 | s_first[bank] = -1; /* first sector to erase */ | |
211 | s_last [bank] = -1; /* last sector to erase */ | |
212 | } | |
213 | ||
214 | for (bank=0,info=&flash_info[0]; | |
215 | (bank < CFG_MAX_FLASH_BANKS) && (addr_first <= addr_last); | |
216 | ++bank, ++info) { | |
217 | ulong b_end; | |
218 | int sect; | |
219 | short s_end; | |
220 | ||
221 | if (info->flash_id == FLASH_UNKNOWN) { | |
222 | continue; | |
223 | } | |
224 | ||
225 | b_end = info->start[0] + info->size - 1; /* bank end addr */ | |
226 | s_end = info->sector_count - 1; /* last sector */ | |
227 | ||
228 | ||
229 | for (sect=0; sect < info->sector_count; ++sect) { | |
230 | ulong end; /* last address in current sect */ | |
38a24a61 | 231 | |
bdccc4fe | 232 | end = (sect == s_end) ? b_end : info->start[sect + 1] - 1; |
38a24a61 | 233 | |
bdccc4fe WD |
234 | if (addr_first > end) |
235 | continue; | |
236 | if (addr_last < info->start[sect]) | |
237 | continue; | |
38a24a61 | 238 | |
bdccc4fe WD |
239 | if (addr_first == info->start[sect]) { |
240 | s_first[bank] = sect; | |
241 | } | |
242 | if (addr_last == end) { | |
243 | s_last[bank] = sect; | |
244 | } | |
245 | } | |
246 | if (s_first[bank] >= 0) { | |
247 | if (s_last[bank] < 0) { | |
248 | if (addr_last > b_end) { | |
249 | s_last[bank] = s_end; | |
250 | } else { | |
4b9206ed | 251 | puts ("Error: end address" |
bdccc4fe WD |
252 | " not on sector boundary\n"); |
253 | rcode = 1; | |
254 | break; | |
255 | } | |
256 | } | |
257 | if (s_last[bank] < s_first[bank]) { | |
4b9206ed | 258 | puts ("Error: end sector" |
bdccc4fe WD |
259 | " precedes start sector\n"); |
260 | rcode = 1; | |
261 | break; | |
262 | } | |
263 | sect = s_last[bank]; | |
264 | addr_first = (sect == s_end) ? b_end + 1: info->start[sect + 1]; | |
265 | (*s_count) += s_last[bank] - s_first[bank] + 1; | |
e2ffd59b WD |
266 | } else if (addr_first >= info->start[0] && addr_first < b_end) { |
267 | puts ("Error: start address not on sector boundary\n"); | |
268 | rcode = 1; | |
269 | break; | |
2d5b561e | 270 | } else if (s_last[bank] >= 0) { |
4b9206ed | 271 | puts ("Error: cannot span across banks when they are" |
2d5b561e WD |
272 | " mapped in reverse order\n"); |
273 | rcode = 1; | |
274 | break; | |
bdccc4fe WD |
275 | } |
276 | } | |
38a24a61 | 277 | |
bdccc4fe | 278 | return rcode; |
38a24a61 | 279 | } |
bdccc4fe | 280 | |
38a24a61 WD |
281 | int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
282 | { | |
283 | ulong bank; | |
284 | ||
2abbe075 WD |
285 | #ifdef CONFIG_HAS_DATAFLASH |
286 | dataflash_print_info(); | |
287 | #endif | |
288 | ||
38a24a61 WD |
289 | if (argc == 1) { /* print info for all FLASH banks */ |
290 | for (bank=0; bank <CFG_MAX_FLASH_BANKS; ++bank) { | |
291 | printf ("\nBank # %ld: ", bank+1); | |
292 | ||
293 | flash_print_info (&flash_info[bank]); | |
294 | } | |
295 | return 0; | |
296 | } | |
297 | ||
298 | bank = simple_strtoul(argv[1], NULL, 16); | |
299 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
300 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
301 | CFG_MAX_FLASH_BANKS); | |
302 | return 1; | |
303 | } | |
304 | printf ("\nBank # %ld: ", bank); | |
305 | flash_print_info (&flash_info[bank-1]); | |
306 | return 0; | |
307 | } | |
700a0c64 | 308 | |
38a24a61 WD |
309 | int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
310 | { | |
311 | flash_info_t *info; | |
312 | ulong bank, addr_first, addr_last; | |
313 | int n, sect_first, sect_last; | |
700a0c64 WD |
314 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
315 | struct mtd_device *dev; | |
316 | struct part_info *part; | |
317 | u8 dev_type, dev_num, pnum; | |
318 | #endif | |
38a24a61 WD |
319 | int rcode = 0; |
320 | ||
321 | if (argc < 2) { | |
322 | printf ("Usage:\n%s\n", cmdtp->usage); | |
323 | return 1; | |
324 | } | |
325 | ||
326 | if (strcmp(argv[1], "all") == 0) { | |
327 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { | |
328 | printf ("Erase Flash Bank # %ld ", bank); | |
329 | info = &flash_info[bank-1]; | |
330 | rcode = flash_erase (info, 0, info->sector_count-1); | |
331 | } | |
332 | return rcode; | |
333 | } | |
334 | ||
335 | if ((n = abbrev_spec(argv[1], &info, §_first, §_last)) != 0) { | |
336 | if (n < 0) { | |
4b9206ed | 337 | puts ("Bad sector specification\n"); |
38a24a61 WD |
338 | return 1; |
339 | } | |
340 | printf ("Erase Flash Sectors %d-%d in Bank # %d ", | |
341 | sect_first, sect_last, (info-flash_info)+1); | |
342 | rcode = flash_erase(info, sect_first, sect_last); | |
343 | return rcode; | |
344 | } | |
345 | ||
700a0c64 WD |
346 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
347 | /* erase <part-id> - erase partition */ | |
348 | if ((argc == 2) && (id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) { | |
349 | mtdparts_init(); | |
350 | if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) { | |
351 | if (dev->id->type == MTD_DEV_TYPE_NOR) { | |
352 | bank = dev->id->num; | |
353 | info = &flash_info[bank]; | |
354 | addr_first = part->offset + info->start[0]; | |
355 | addr_last = addr_first + part->size - 1; | |
356 | ||
357 | printf ("Erase Flash Parition %s, " | |
358 | "bank %d, 0x%08lx - 0x%08lx ", | |
359 | argv[1], bank, addr_first, | |
360 | addr_last); | |
361 | ||
362 | rcode = flash_sect_erase(addr_first, addr_last); | |
363 | return rcode; | |
364 | } | |
365 | ||
366 | printf("cannot erase, not a NOR device\n"); | |
367 | return 1; | |
368 | } | |
369 | } | |
370 | #endif | |
371 | ||
38a24a61 WD |
372 | if (argc != 3) { |
373 | printf ("Usage:\n%s\n", cmdtp->usage); | |
374 | return 1; | |
375 | } | |
376 | ||
377 | if (strcmp(argv[1], "bank") == 0) { | |
378 | bank = simple_strtoul(argv[2], NULL, 16); | |
379 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
380 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
381 | CFG_MAX_FLASH_BANKS); | |
382 | return 1; | |
383 | } | |
384 | printf ("Erase Flash Bank # %ld ", bank); | |
385 | info = &flash_info[bank-1]; | |
386 | rcode = flash_erase (info, 0, info->sector_count-1); | |
387 | return rcode; | |
388 | } | |
389 | ||
f530187d WD |
390 | if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){ |
391 | printf ("Bad address format\n"); | |
392 | return 1; | |
393 | } | |
38a24a61 WD |
394 | |
395 | if (addr_first >= addr_last) { | |
396 | printf ("Usage:\n%s\n", cmdtp->usage); | |
397 | return 1; | |
398 | } | |
399 | ||
38a24a61 WD |
400 | rcode = flash_sect_erase(addr_first, addr_last); |
401 | return rcode; | |
402 | } | |
403 | ||
404 | int flash_sect_erase (ulong addr_first, ulong addr_last) | |
405 | { | |
406 | flash_info_t *info; | |
407 | ulong bank; | |
e6f2e902 MB |
408 | #ifdef CFG_MAX_FLASH_BANKS_DETECT |
409 | int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT]; | |
410 | #else | |
bdccc4fe | 411 | int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS]; |
e6f2e902 | 412 | #endif |
bdccc4fe WD |
413 | int erased = 0; |
414 | int planned; | |
38a24a61 WD |
415 | int rcode = 0; |
416 | ||
bdccc4fe WD |
417 | rcode = flash_fill_sect_ranges (addr_first, addr_last, |
418 | s_first, s_last, &planned ); | |
419 | ||
420 | if (planned && (rcode == 0)) { | |
421 | for (bank=0,info=&flash_info[0]; | |
422 | (bank < CFG_MAX_FLASH_BANKS) && (rcode == 0); | |
423 | ++bank, ++info) { | |
424 | if (s_first[bank]>=0) { | |
425 | erased += s_last[bank] - s_first[bank] + 1; | |
013dc8d9 | 426 | debug ("Erase Flash from 0x%08lx to 0x%08lx " |
bdccc4fe WD |
427 | "in Bank # %ld ", |
428 | info->start[s_first[bank]], | |
429 | (s_last[bank] == info->sector_count) ? | |
430 | info->start[0] + info->size - 1: | |
431 | info->start[s_last[bank]+1] - 1, | |
432 | bank+1); | |
433 | rcode = flash_erase (info, s_first[bank], s_last[bank]); | |
38a24a61 WD |
434 | } |
435 | } | |
38a24a61 | 436 | printf ("Erased %d sectors\n", erased); |
bdccc4fe | 437 | } else if (rcode == 0) { |
4b9206ed | 438 | puts ("Error: start and/or end address" |
38a24a61 WD |
439 | " not on sector boundary\n"); |
440 | rcode = 1; | |
441 | } | |
442 | return rcode; | |
443 | } | |
444 | ||
38a24a61 WD |
445 | int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
446 | { | |
447 | flash_info_t *info; | |
448 | ulong bank, addr_first, addr_last; | |
449 | int i, p, n, sect_first, sect_last; | |
700a0c64 WD |
450 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
451 | struct mtd_device *dev; | |
452 | struct part_info *part; | |
453 | u8 dev_type, dev_num, pnum; | |
454 | #endif | |
38a24a61 | 455 | int rcode = 0; |
5779d8d9 WD |
456 | #ifdef CONFIG_HAS_DATAFLASH |
457 | int status; | |
458 | #endif | |
2662b40c | 459 | |
38a24a61 WD |
460 | if (argc < 3) { |
461 | printf ("Usage:\n%s\n", cmdtp->usage); | |
462 | return 1; | |
463 | } | |
464 | ||
bdccc4fe | 465 | if (strcmp(argv[1], "off") == 0) { |
38a24a61 | 466 | p = 0; |
bdccc4fe | 467 | } else if (strcmp(argv[1], "on") == 0) { |
38a24a61 | 468 | p = 1; |
bdccc4fe | 469 | } else { |
38a24a61 WD |
470 | printf ("Usage:\n%s\n", cmdtp->usage); |
471 | return 1; | |
472 | } | |
473 | ||
5779d8d9 WD |
474 | #ifdef CONFIG_HAS_DATAFLASH |
475 | if ((strcmp(argv[2], "all") != 0) && (strcmp(argv[2], "bank") != 0)) { | |
476 | addr_first = simple_strtoul(argv[2], NULL, 16); | |
477 | addr_last = simple_strtoul(argv[3], NULL, 16); | |
478 | ||
479 | if (addr_dataflash(addr_first) && addr_dataflash(addr_last)) { | |
480 | status = dataflash_real_protect(p,addr_first,addr_last); | |
481 | if (status < 0){ | |
4b9206ed | 482 | puts ("Bad DataFlash sector specification\n"); |
d4ca31c4 WD |
483 | return 1; |
484 | } | |
485 | printf("%sProtect %d DataFlash Sectors\n", | |
486 | p ? "" : "Un-", status); | |
5779d8d9 WD |
487 | return 0; |
488 | } | |
489 | } | |
490 | #endif | |
d4ca31c4 | 491 | |
38a24a61 WD |
492 | if (strcmp(argv[2], "all") == 0) { |
493 | for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) { | |
494 | info = &flash_info[bank-1]; | |
495 | if (info->flash_id == FLASH_UNKNOWN) { | |
496 | continue; | |
497 | } | |
498 | printf ("%sProtect Flash Bank # %ld\n", | |
499 | p ? "" : "Un-", bank); | |
500 | ||
501 | for (i=0; i<info->sector_count; ++i) { | |
502 | #if defined(CFG_FLASH_PROTECTION) | |
503 | if (flash_real_protect(info, i, p)) | |
504 | rcode = 1; | |
505 | putc ('.'); | |
506 | #else | |
507 | info->protect[i] = p; | |
508 | #endif /* CFG_FLASH_PROTECTION */ | |
509 | } | |
38a24a61 | 510 | #if defined(CFG_FLASH_PROTECTION) |
bb74140d | 511 | if (!rcode) puts (" done\n"); |
38a24a61 | 512 | #endif /* CFG_FLASH_PROTECTION */ |
bb74140d | 513 | } |
38a24a61 WD |
514 | return rcode; |
515 | } | |
516 | ||
517 | if ((n = abbrev_spec(argv[2], &info, §_first, §_last)) != 0) { | |
518 | if (n < 0) { | |
4b9206ed | 519 | puts ("Bad sector specification\n"); |
38a24a61 WD |
520 | return 1; |
521 | } | |
522 | printf("%sProtect Flash Sectors %d-%d in Bank # %d\n", | |
523 | p ? "" : "Un-", sect_first, sect_last, | |
524 | (info-flash_info)+1); | |
525 | for (i = sect_first; i <= sect_last; i++) { | |
526 | #if defined(CFG_FLASH_PROTECTION) | |
527 | if (flash_real_protect(info, i, p)) | |
528 | rcode = 1; | |
529 | putc ('.'); | |
530 | #else | |
531 | info->protect[i] = p; | |
532 | #endif /* CFG_FLASH_PROTECTION */ | |
533 | } | |
534 | ||
535 | #if defined(CFG_FLASH_PROTECTION) | |
536 | if (!rcode) puts (" done\n"); | |
537 | #endif /* CFG_FLASH_PROTECTION */ | |
538 | ||
539 | return rcode; | |
540 | } | |
8f79e4c2 | 541 | |
700a0c64 WD |
542 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
543 | /* protect on/off <part-id> */ | |
544 | if ((argc == 3) && (id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) { | |
545 | mtdparts_init(); | |
546 | if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) { | |
547 | if (dev->id->type == MTD_DEV_TYPE_NOR) { | |
548 | bank = dev->id->num; | |
549 | info = &flash_info[bank]; | |
550 | addr_first = part->offset + info->start[0]; | |
551 | addr_last = addr_first + part->size - 1; | |
552 | ||
553 | printf ("%sProtect Flash Parition %s, " | |
554 | "bank %d, 0x%08lx - 0x%08lx\n", | |
555 | p ? "" : "Un", argv[1], | |
556 | bank, addr_first, addr_last); | |
557 | ||
558 | rcode = flash_sect_protect (p, addr_first, addr_last); | |
559 | return rcode; | |
560 | } | |
561 | ||
562 | printf("cannot %sprotect, not a NOR device\n", | |
563 | p ? "" : "un"); | |
564 | return 1; | |
565 | } | |
566 | } | |
567 | #endif | |
38a24a61 WD |
568 | |
569 | if (argc != 4) { | |
570 | printf ("Usage:\n%s\n", cmdtp->usage); | |
571 | return 1; | |
572 | } | |
573 | ||
574 | if (strcmp(argv[2], "bank") == 0) { | |
575 | bank = simple_strtoul(argv[3], NULL, 16); | |
576 | if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { | |
577 | printf ("Only FLASH Banks # 1 ... # %d supported\n", | |
578 | CFG_MAX_FLASH_BANKS); | |
579 | return 1; | |
580 | } | |
581 | printf ("%sProtect Flash Bank # %ld\n", | |
582 | p ? "" : "Un-", bank); | |
583 | info = &flash_info[bank-1]; | |
584 | ||
585 | if (info->flash_id == FLASH_UNKNOWN) { | |
4b9206ed | 586 | puts ("missing or unknown FLASH type\n"); |
38a24a61 WD |
587 | return 1; |
588 | } | |
589 | for (i=0; i<info->sector_count; ++i) { | |
590 | #if defined(CFG_FLASH_PROTECTION) | |
591 | if (flash_real_protect(info, i, p)) | |
592 | rcode = 1; | |
593 | putc ('.'); | |
594 | #else | |
595 | info->protect[i] = p; | |
596 | #endif /* CFG_FLASH_PROTECTION */ | |
597 | } | |
598 | ||
599 | #if defined(CFG_FLASH_PROTECTION) | |
600 | if (!rcode) puts (" done\n"); | |
601 | #endif /* CFG_FLASH_PROTECTION */ | |
602 | ||
603 | return rcode; | |
604 | } | |
605 | ||
f530187d WD |
606 | if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){ |
607 | printf("Bad address format\n"); | |
608 | return 1; | |
609 | } | |
38a24a61 WD |
610 | |
611 | if (addr_first >= addr_last) { | |
612 | printf ("Usage:\n%s\n", cmdtp->usage); | |
613 | return 1; | |
614 | } | |
615 | rcode = flash_sect_protect (p, addr_first, addr_last); | |
616 | return rcode; | |
617 | } | |
618 | ||
619 | ||
620 | int flash_sect_protect (int p, ulong addr_first, ulong addr_last) | |
621 | { | |
622 | flash_info_t *info; | |
623 | ulong bank; | |
e6f2e902 MB |
624 | #ifdef CFG_MAX_FLASH_BANKS_DETECT |
625 | int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT]; | |
626 | #else | |
bdccc4fe | 627 | int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS]; |
e6f2e902 | 628 | #endif |
38a24a61 | 629 | int protected, i; |
bdccc4fe WD |
630 | int planned; |
631 | int rcode; | |
38a24a61 | 632 | |
bdccc4fe | 633 | rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned ); |
38a24a61 | 634 | |
bdccc4fe | 635 | protected = 0; |
38a24a61 | 636 | |
bdccc4fe WD |
637 | if (planned && (rcode == 0)) { |
638 | for (bank=0,info=&flash_info[0]; bank < CFG_MAX_FLASH_BANKS; ++bank, ++info) { | |
639 | if (info->flash_id == FLASH_UNKNOWN) { | |
38a24a61 | 640 | continue; |
38a24a61 | 641 | } |
bdccc4fe WD |
642 | |
643 | if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) { | |
abcac872 SR |
644 | debug ("%sProtecting sectors %d..%d in bank %ld\n", |
645 | p ? "" : "Un-", | |
bdccc4fe WD |
646 | s_first[bank], s_last[bank], bank+1); |
647 | protected += s_last[bank] - s_first[bank] + 1; | |
648 | for (i=s_first[bank]; i<=s_last[bank]; ++i) { | |
38a24a61 | 649 | #if defined(CFG_FLASH_PROTECTION) |
bdccc4fe WD |
650 | if (flash_real_protect(info, i, p)) |
651 | rcode = 1; | |
652 | putc ('.'); | |
38a24a61 | 653 | #else |
bdccc4fe | 654 | info->protect[i] = p; |
38a24a61 | 655 | #endif /* CFG_FLASH_PROTECTION */ |
bdccc4fe | 656 | } |
38a24a61 | 657 | } |
2662b40c | 658 | } |
38a24a61 | 659 | #if defined(CFG_FLASH_PROTECTION) |
2662b40c | 660 | puts (" done\n"); |
38a24a61 WD |
661 | #endif /* CFG_FLASH_PROTECTION */ |
662 | ||
38a24a61 WD |
663 | printf ("%sProtected %d sectors\n", |
664 | p ? "" : "Un-", protected); | |
bdccc4fe | 665 | } else if (rcode == 0) { |
4b9206ed | 666 | puts ("Error: start and/or end address" |
38a24a61 WD |
667 | " not on sector boundary\n"); |
668 | rcode = 1; | |
669 | } | |
670 | return rcode; | |
671 | } | |
672 | ||
8bde7f77 WD |
673 | |
674 | /**************************************************/ | |
c19c3134 WD |
675 | #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) |
676 | # define TMP_ERASE "erase <part-id>\n - erase partition\n" | |
677 | # define TMP_PROT_ON "protect on <part-id>\n - protect partition\n" | |
678 | # define TMP_PROT_OFF "protect off <part-id>\n - make partition writable\n" | |
679 | #else | |
680 | # define TMP_ERASE /* empty */ | |
681 | # define TMP_PROT_ON /* empty */ | |
682 | # define TMP_PROT_OFF /* empty */ | |
683 | #endif | |
8bde7f77 | 684 | |
0d498393 WD |
685 | U_BOOT_CMD( |
686 | flinfo, 2, 1, do_flinfo, | |
8bde7f77 WD |
687 | "flinfo - print FLASH memory information\n", |
688 | "\n - print information for all FLASH memory banks\n" | |
689 | "flinfo N\n - print information for FLASH memory bank # N\n" | |
690 | ); | |
691 | ||
0d498393 WD |
692 | U_BOOT_CMD( |
693 | erase, 3, 1, do_flerase, | |
8bde7f77 WD |
694 | "erase - erase FLASH memory\n", |
695 | "start end\n" | |
696 | " - erase FLASH from addr 'start' to addr 'end'\n" | |
f530187d WD |
697 | "erase start +len\n" |
698 | " - erase FLASH from addr 'start' to the end of sect " | |
699 | "w/addr 'start'+'len'-1\n" | |
8bde7f77 WD |
700 | "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n" |
701 | "erase bank N\n - erase FLASH bank # N\n" | |
c19c3134 | 702 | TMP_ERASE |
8bde7f77 WD |
703 | "erase all\n - erase all FLASH banks\n" |
704 | ); | |
705 | ||
0d498393 WD |
706 | U_BOOT_CMD( |
707 | protect, 4, 1, do_protect, | |
8bde7f77 WD |
708 | "protect - enable or disable FLASH write protection\n", |
709 | "on start end\n" | |
710 | " - protect FLASH from addr 'start' to addr 'end'\n" | |
f530187d WD |
711 | "protect on start +len\n" |
712 | " - protect FLASH from addr 'start' to end of sect " | |
713 | "w/addr 'start'+'len'-1\n" | |
8bde7f77 WD |
714 | "protect on N:SF[-SL]\n" |
715 | " - protect sectors SF-SL in FLASH bank # N\n" | |
716 | "protect on bank N\n - protect FLASH bank # N\n" | |
c19c3134 | 717 | TMP_PROT_ON |
8bde7f77 WD |
718 | "protect on all\n - protect all FLASH banks\n" |
719 | "protect off start end\n" | |
720 | " - make FLASH from addr 'start' to addr 'end' writable\n" | |
f530187d WD |
721 | "protect off start +len\n" |
722 | " - make FLASH from addr 'start' to end of sect " | |
723 | "w/addr 'start'+'len'-1 wrtable\n" | |
8bde7f77 WD |
724 | "protect off N:SF[-SL]\n" |
725 | " - make sectors SF-SL writable in FLASH bank # N\n" | |
726 | "protect off bank N\n - make FLASH bank # N writable\n" | |
c19c3134 | 727 | TMP_PROT_OFF |
8bde7f77 WD |
728 | "protect off all\n - make all FLASH banks writable\n" |
729 | ); | |
730 | ||
c19c3134 WD |
731 | #undef TMP_ERASE |
732 | #undef TMP_PROT_ON | |
733 | #undef TMP_PROT_OFF | |
734 | ||
38a24a61 | 735 | #endif /* CFG_CMD_FLASH */ |