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wdenk38a24a62002-09-18 12:49:44 +00001/*
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>
wdenk8bde7f72003-06-27 21:31:46 +000029
wdenk2abbe072003-06-16 23:50:08 +000030#ifdef CONFIG_HAS_DATAFLASH
31#include <dataflash.h>
32#endif
33
Jon Loeligerbaa26db2007-07-08 17:51:39 -050034#if defined(CONFIG_CMD_FLASH)
wdenk38a24a62002-09-18 12:49:44 +000035
Jon Loeligerbaa26db2007-07-08 17:51:39 -050036#if (defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Wolfgang Denk700a0c62005-08-08 01:03:24 +020037#include <jffs2/jffs2.h>
38
39/* parition handling routines */
40int mtdparts_init(void);
41int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
42int find_dev_and_part(const char *id, struct mtd_device **dev,
43 u8 *part_num, struct part_info **part);
44#endif
45
wdenk38a24a62002-09-18 12:49:44 +000046extern 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 */
67static int
wdenkbdccc4f2003-08-05 17:43:17 +000068abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl)
wdenk38a24a62002-09-18 12:49:44 +000069{
wdenkbdccc4f2003-08-05 17:43:17 +000070 flash_info_t *fp;
71 int bank, first, last;
72 char *p, *ep;
wdenk38a24a62002-09-18 12:49:44 +000073
wdenkbdccc4f2003-08-05 17:43:17 +000074 if ((p = strchr (str, ':')) == NULL)
75 return 0;
wdenk38a24a62002-09-18 12:49:44 +000076 *p++ = '\0';
77
wdenkbdccc4f2003-08-05 17:43:17 +000078 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;
wdenk38a24a62002-09-18 12:49:44 +000083
wdenkbdccc4f2003-08-05 17:43:17 +000084 str = p;
85 if ((p = strchr (str, '-')) != NULL)
86 *p++ = '\0';
wdenk38a24a62002-09-18 12:49:44 +000087
wdenkbdccc4f2003-08-05 17:43:17 +000088 first = simple_strtoul (str, &ep, 10);
89 if (ep == str || *ep != '\0' || first >= fp->sector_count)
90 return -1;
wdenk38a24a62002-09-18 12:49:44 +000091
wdenkbdccc4f2003-08-05 17:43:17 +000092 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 }
100
101 *pinfo = fp;
102 *psf = first;
103 *psl = last;
104
105 return 1;
wdenk38a24a62002-09-18 12:49:44 +0000106}
wdenkbdccc4f2003-08-05 17:43:17 +0000107
Wolfgang Denkf5301872005-07-21 11:45:50 +0200108/*
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')
Wolfgang Denk095b8a32005-08-02 17:06:17 +0200113 * 2. <cmd> start +length - operate on <'start', start + length)
Wolfgang Denkf5301872005-07-21 11:45:50 +0200114 * 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*/
125static int
126addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last)
127{
128 char *ep;
Heiko Schocherbb741402006-04-11 14:39:21 +0200129 char len_used; /* indicates if the "start +length" form used */
130 char found;
131 ulong bank;
Wolfgang Denk2c61f142005-08-05 11:10:31 +0200132
Wolfgang Denkf5301872005-07-21 11:45:50 +0200133 *addr_first = simple_strtoul(arg1, &ep, 16);
134 if (ep == arg1 || *ep != '\0')
135 return -1;
136
Heiko Schocherbb741402006-04-11 14:39:21 +0200137 len_used = 0;
Wolfgang Denkf5301872005-07-21 11:45:50 +0200138 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 */
Heiko Schocherbb741402006-04-11 14:39:21 +0200162 found = 0;
Wolfgang Denkf5301872005-07-21 11:45:50 +0200163 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
wdenkbdccc4f2003-08-05 17:43:17 +0000198static int
199flash_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 */
231
232 end = (sect == s_end) ? b_end : info->start[sect + 1] - 1;
233
234 if (addr_first > end)
235 continue;
236 if (addr_last < info->start[sect])
237 continue;
238
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 {
wdenk4b9206e2004-03-23 22:14:11 +0000251 puts ("Error: end address"
wdenkbdccc4f2003-08-05 17:43:17 +0000252 " not on sector boundary\n");
253 rcode = 1;
254 break;
255 }
256 }
257 if (s_last[bank] < s_first[bank]) {
wdenk4b9206e2004-03-23 22:14:11 +0000258 puts ("Error: end sector"
wdenkbdccc4f2003-08-05 17:43:17 +0000259 " 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;
wdenke2ffd592004-12-31 09:32:47 +0000266 } 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;
wdenk2d5b5612003-10-14 19:43:55 +0000270 } else if (s_last[bank] >= 0) {
wdenk4b9206e2004-03-23 22:14:11 +0000271 puts ("Error: cannot span across banks when they are"
wdenk2d5b5612003-10-14 19:43:55 +0000272 " mapped in reverse order\n");
273 rcode = 1;
274 break;
wdenkbdccc4f2003-08-05 17:43:17 +0000275 }
276 }
277
278 return rcode;
279}
280
wdenk38a24a62002-09-18 12:49:44 +0000281int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
282{
283 ulong bank;
284
wdenk2abbe072003-06-16 23:50:08 +0000285#ifdef CONFIG_HAS_DATAFLASH
286 dataflash_print_info();
287#endif
288
wdenk38a24a62002-09-18 12:49:44 +0000289 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}
Wolfgang Denk700a0c62005-08-08 01:03:24 +0200308
wdenk38a24a62002-09-18 12:49:44 +0000309int 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;
Jon Loeligerbaa26db2007-07-08 17:51:39 -0500314#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Wolfgang Denk700a0c62005-08-08 01:03:24 +0200315 struct mtd_device *dev;
316 struct part_info *part;
317 u8 dev_type, dev_num, pnum;
318#endif
wdenk38a24a62002-09-18 12:49:44 +0000319 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, &sect_first, &sect_last)) != 0) {
336 if (n < 0) {
wdenk4b9206e2004-03-23 22:14:11 +0000337 puts ("Bad sector specification\n");
wdenk38a24a62002-09-18 12:49:44 +0000338 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
Jon Loeligerbaa26db2007-07-08 17:51:39 -0500346#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Wolfgang Denk700a0c62005-08-08 01:03:24 +0200347 /* 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
wdenk38a24a62002-09-18 12:49:44 +0000372 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
Wolfgang Denkf5301872005-07-21 11:45:50 +0200390 if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){
391 printf ("Bad address format\n");
392 return 1;
393 }
wdenk38a24a62002-09-18 12:49:44 +0000394
395 if (addr_first >= addr_last) {
396 printf ("Usage:\n%s\n", cmdtp->usage);
397 return 1;
398 }
399
wdenk38a24a62002-09-18 12:49:44 +0000400 rcode = flash_sect_erase(addr_first, addr_last);
401 return rcode;
402}
403
404int flash_sect_erase (ulong addr_first, ulong addr_last)
405{
406 flash_info_t *info;
407 ulong bank;
Marian Balakowicze6f2e902005-10-11 19:09:42 +0200408#ifdef CFG_MAX_FLASH_BANKS_DETECT
409 int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT];
410#else
wdenkbdccc4f2003-08-05 17:43:17 +0000411 int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS];
Marian Balakowicze6f2e902005-10-11 19:09:42 +0200412#endif
wdenkbdccc4f2003-08-05 17:43:17 +0000413 int erased = 0;
414 int planned;
wdenk38a24a62002-09-18 12:49:44 +0000415 int rcode = 0;
416
wdenkbdccc4f2003-08-05 17:43:17 +0000417 rcode = flash_fill_sect_ranges (addr_first, addr_last,
418 s_first, s_last, &planned );
wdenk38a24a62002-09-18 12:49:44 +0000419
wdenkbdccc4f2003-08-05 17:43:17 +0000420 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;
wdenk013dc8d2003-08-07 14:52:18 +0000426 debug ("Erase Flash from 0x%08lx to 0x%08lx "
wdenkbdccc4f2003-08-05 17:43:17 +0000427 "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]);
wdenk38a24a62002-09-18 12:49:44 +0000434 }
435 }
wdenk38a24a62002-09-18 12:49:44 +0000436 printf ("Erased %d sectors\n", erased);
wdenkbdccc4f2003-08-05 17:43:17 +0000437 } else if (rcode == 0) {
wdenk4b9206e2004-03-23 22:14:11 +0000438 puts ("Error: start and/or end address"
wdenk38a24a62002-09-18 12:49:44 +0000439 " not on sector boundary\n");
440 rcode = 1;
441 }
442 return rcode;
443}
444
wdenk38a24a62002-09-18 12:49:44 +0000445int 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;
Jon Loeligerbaa26db2007-07-08 17:51:39 -0500450#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Wolfgang Denk700a0c62005-08-08 01:03:24 +0200451 struct mtd_device *dev;
452 struct part_info *part;
453 u8 dev_type, dev_num, pnum;
454#endif
wdenk38a24a62002-09-18 12:49:44 +0000455 int rcode = 0;
wdenk5779d8d2003-12-06 23:55:10 +0000456#ifdef CONFIG_HAS_DATAFLASH
457 int status;
458#endif
Stefan Roese2662b402006-04-01 13:41:03 +0200459
wdenk38a24a62002-09-18 12:49:44 +0000460 if (argc < 3) {
461 printf ("Usage:\n%s\n", cmdtp->usage);
462 return 1;
463 }
464
wdenkbdccc4f2003-08-05 17:43:17 +0000465 if (strcmp(argv[1], "off") == 0) {
wdenk38a24a62002-09-18 12:49:44 +0000466 p = 0;
wdenkbdccc4f2003-08-05 17:43:17 +0000467 } else if (strcmp(argv[1], "on") == 0) {
wdenk38a24a62002-09-18 12:49:44 +0000468 p = 1;
wdenkbdccc4f2003-08-05 17:43:17 +0000469 } else {
wdenk38a24a62002-09-18 12:49:44 +0000470 printf ("Usage:\n%s\n", cmdtp->usage);
471 return 1;
472 }
473
wdenk5779d8d2003-12-06 23:55:10 +0000474#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){
wdenk4b9206e2004-03-23 22:14:11 +0000482 puts ("Bad DataFlash sector specification\n");
wdenkd4ca31c2004-01-02 14:00:00 +0000483 return 1;
484 }
485 printf("%sProtect %d DataFlash Sectors\n",
486 p ? "" : "Un-", status);
wdenk5779d8d2003-12-06 23:55:10 +0000487 return 0;
488 }
489 }
490#endif
wdenkd4ca31c2004-01-02 14:00:00 +0000491
wdenk38a24a62002-09-18 12:49:44 +0000492 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 }
wdenk38a24a62002-09-18 12:49:44 +0000510#if defined(CFG_FLASH_PROTECTION)
Heiko Schocherbb741402006-04-11 14:39:21 +0200511 if (!rcode) puts (" done\n");
wdenk38a24a62002-09-18 12:49:44 +0000512#endif /* CFG_FLASH_PROTECTION */
Heiko Schocherbb741402006-04-11 14:39:21 +0200513 }
wdenk38a24a62002-09-18 12:49:44 +0000514 return rcode;
515 }
516
517 if ((n = abbrev_spec(argv[2], &info, &sect_first, &sect_last)) != 0) {
518 if (n < 0) {
wdenk4b9206e2004-03-23 22:14:11 +0000519 puts ("Bad sector specification\n");
wdenk38a24a62002-09-18 12:49:44 +0000520 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 }
Wolfgang Denk8f79e4c2005-08-10 15:14:32 +0200541
Jon Loeligerbaa26db2007-07-08 17:51:39 -0500542#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Wolfgang Denk700a0c62005-08-08 01:03:24 +0200543 /* 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
wdenk38a24a62002-09-18 12:49:44 +0000568
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) {
wdenk4b9206e2004-03-23 22:14:11 +0000586 puts ("missing or unknown FLASH type\n");
wdenk38a24a62002-09-18 12:49:44 +0000587 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
Wolfgang Denkf5301872005-07-21 11:45:50 +0200606 if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){
607 printf("Bad address format\n");
608 return 1;
609 }
wdenk38a24a62002-09-18 12:49:44 +0000610
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
620int flash_sect_protect (int p, ulong addr_first, ulong addr_last)
621{
622 flash_info_t *info;
623 ulong bank;
Marian Balakowicze6f2e902005-10-11 19:09:42 +0200624#ifdef CFG_MAX_FLASH_BANKS_DETECT
625 int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT];
626#else
wdenkbdccc4f2003-08-05 17:43:17 +0000627 int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS];
Marian Balakowicze6f2e902005-10-11 19:09:42 +0200628#endif
wdenk38a24a62002-09-18 12:49:44 +0000629 int protected, i;
wdenkbdccc4f2003-08-05 17:43:17 +0000630 int planned;
631 int rcode;
632
633 rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned );
wdenk38a24a62002-09-18 12:49:44 +0000634
635 protected = 0;
636
wdenkbdccc4f2003-08-05 17:43:17 +0000637 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) {
wdenk38a24a62002-09-18 12:49:44 +0000640 continue;
wdenkbdccc4f2003-08-05 17:43:17 +0000641 }
wdenk38a24a62002-09-18 12:49:44 +0000642
wdenkbdccc4f2003-08-05 17:43:17 +0000643 if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) {
stroeseabcac872003-12-09 14:58:22 +0000644 debug ("%sProtecting sectors %d..%d in bank %ld\n",
645 p ? "" : "Un-",
wdenkbdccc4f2003-08-05 17:43:17 +0000646 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) {
wdenk38a24a62002-09-18 12:49:44 +0000649#if defined(CFG_FLASH_PROTECTION)
wdenkbdccc4f2003-08-05 17:43:17 +0000650 if (flash_real_protect(info, i, p))
651 rcode = 1;
652 putc ('.');
wdenk38a24a62002-09-18 12:49:44 +0000653#else
wdenkbdccc4f2003-08-05 17:43:17 +0000654 info->protect[i] = p;
wdenk38a24a62002-09-18 12:49:44 +0000655#endif /* CFG_FLASH_PROTECTION */
wdenkbdccc4f2003-08-05 17:43:17 +0000656 }
wdenk38a24a62002-09-18 12:49:44 +0000657 }
wdenkbdccc4f2003-08-05 17:43:17 +0000658 }
Stefan Roese2662b402006-04-01 13:41:03 +0200659#if defined(CFG_FLASH_PROTECTION)
660 puts (" done\n");
661#endif /* CFG_FLASH_PROTECTION */
wdenk38a24a62002-09-18 12:49:44 +0000662
wdenk38a24a62002-09-18 12:49:44 +0000663 printf ("%sProtected %d sectors\n",
664 p ? "" : "Un-", protected);
wdenkbdccc4f2003-08-05 17:43:17 +0000665 } else if (rcode == 0) {
wdenk4b9206e2004-03-23 22:14:11 +0000666 puts ("Error: start and/or end address"
wdenk38a24a62002-09-18 12:49:44 +0000667 " not on sector boundary\n");
668 rcode = 1;
669 }
670 return rcode;
671}
672
wdenk8bde7f72003-06-27 21:31:46 +0000673
674/**************************************************/
Jon Loeligerbaa26db2007-07-08 17:51:39 -0500675#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
Wolfgang Denkc19c3132005-08-09 17:25:22 +0200676# 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
wdenk8bde7f72003-06-27 21:31:46 +0000684
wdenk0d498392003-07-01 21:06:45 +0000685U_BOOT_CMD(
686 flinfo, 2, 1, do_flinfo,
wdenk8bde7f72003-06-27 21:31:46 +0000687 "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
wdenk0d498392003-07-01 21:06:45 +0000692U_BOOT_CMD(
Detlev Zundel99121212007-05-23 19:02:41 +0200693 erase, 3, 0, do_flerase,
wdenk8bde7f72003-06-27 21:31:46 +0000694 "erase - erase FLASH memory\n",
695 "start end\n"
696 " - erase FLASH from addr 'start' to addr 'end'\n"
Wolfgang Denkf5301872005-07-21 11:45:50 +0200697 "erase start +len\n"
698 " - erase FLASH from addr 'start' to the end of sect "
699 "w/addr 'start'+'len'-1\n"
wdenk8bde7f72003-06-27 21:31:46 +0000700 "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n"
701 "erase bank N\n - erase FLASH bank # N\n"
Wolfgang Denkc19c3132005-08-09 17:25:22 +0200702 TMP_ERASE
wdenk8bde7f72003-06-27 21:31:46 +0000703 "erase all\n - erase all FLASH banks\n"
704);
705
wdenk0d498392003-07-01 21:06:45 +0000706U_BOOT_CMD(
Detlev Zundel99121212007-05-23 19:02:41 +0200707 protect, 4, 0, do_protect,
wdenk8bde7f72003-06-27 21:31:46 +0000708 "protect - enable or disable FLASH write protection\n",
709 "on start end\n"
710 " - protect FLASH from addr 'start' to addr 'end'\n"
Wolfgang Denkf5301872005-07-21 11:45:50 +0200711 "protect on start +len\n"
712 " - protect FLASH from addr 'start' to end of sect "
713 "w/addr 'start'+'len'-1\n"
wdenk8bde7f72003-06-27 21:31:46 +0000714 "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"
Wolfgang Denkc19c3132005-08-09 17:25:22 +0200717 TMP_PROT_ON
wdenk8bde7f72003-06-27 21:31:46 +0000718 "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"
Wolfgang Denkf5301872005-07-21 11:45:50 +0200721 "protect off start +len\n"
722 " - make FLASH from addr 'start' to end of sect "
723 "w/addr 'start'+'len'-1 wrtable\n"
wdenk8bde7f72003-06-27 21:31:46 +0000724 "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"
Wolfgang Denkc19c3132005-08-09 17:25:22 +0200727 TMP_PROT_OFF
wdenk8bde7f72003-06-27 21:31:46 +0000728 "protect off all\n - make all FLASH banks writable\n"
729);
730
Wolfgang Denkc19c3132005-08-09 17:25:22 +0200731#undef TMP_ERASE
732#undef TMP_PROT_ON
733#undef TMP_PROT_OFF
734
wdenk38a24a62002-09-18 12:49:44 +0000735#endif /* CFG_CMD_FLASH */