summaryrefslogtreecommitdiff
path: root/common/cmd_flash.c
blob: 0aa478306b8bd1988f4e66fc2e33111375128b0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * FLASH support
 */
#include <common.h>
#include <command.h>

#ifdef CONFIG_HAS_DATAFLASH
#include <dataflash.h>
#endif

#if (CONFIG_COMMANDS & CFG_CMD_FLASH)

#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
#include <jffs2/jffs2.h>

/* parition handling routines */
int mtdparts_init(void);
int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
int find_dev_and_part(const char *id, struct mtd_device **dev,
		u8 *part_num, struct part_info **part);
#endif

extern flash_info_t flash_info[];	/* info for FLASH chips */

/*
 * The user interface starts numbering for Flash banks with 1
 * for historical reasons.
 */

/*
 * this routine looks for an abbreviated flash range specification.
 * the syntax is B:SF[-SL], where B is the bank number, SF is the first
 * sector to erase, and SL is the last sector to erase (defaults to SF).
 * bank numbers start at 1 to be consistent with other specs, sector numbers
 * start at zero.
 *
 * returns:	1	- correct spec; *pinfo, *psf and *psl are
 *			  set appropriately
 *		0	- doesn't look like an abbreviated spec
 *		-1	- looks like an abbreviated spec, but got
 *			  a parsing error, a number out of range,
 *			  or an invalid flash bank.
 */
static int
abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl)
{
	flash_info_t *fp;
	int bank, first, last;
	char *p, *ep;

	if ((p = strchr (str, ':')) == NULL)
		return 0;
	*p++ = '\0';

	bank = simple_strtoul (str, &ep, 10);
	if (ep == str || *ep != '\0' ||
		bank < 1 || bank > CFG_MAX_FLASH_BANKS ||
		(fp = &flash_info[bank - 1])->flash_id == FLASH_UNKNOWN)
		return -1;

	str = p;
	if ((p = strchr (str, '-')) != NULL)
		*p++ = '\0';

	first = simple_strtoul (str, &ep, 10);
	if (ep == str || *ep != '\0' || first >= fp->sector_count)
		return -1;

	if (p != NULL) {
		last = simple_strtoul (p, &ep, 10);
		if (ep == p || *ep != '\0' ||
			last < first || last >= fp->sector_count)
			return -1;
	} else {
		last = first;
	}

	*pinfo = fp;
	*psf = first;
	*psl = last;

	return 1;
}

/*
 * This function computes the start and end addresses for both
 * erase and protect commands. The range of the addresses on which
 * either of the commands is to operate can be given in two forms:
 * 1. <cmd> start end - operate on <'start',  'end')
 * 2. <cmd> start +length - operate on <'start', start + length)
 * If the second form is used and the end address doesn't fall on the
 * sector boundary, than it will be adjusted to the next sector boundary.
 * If it isn't in the flash, the function will fail (return -1).
 * Input:
 *    arg1, arg2: address specification (i.e. both command arguments)
 * Output:
 *    addr_first, addr_last: computed address range
 * Return:
 *    1: success
 *   -1: failure (bad format, bad address).
*/
static int
addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last)
{
	char len_used = 0; /* indicates if the "start +length" form used */
	char *ep;

	*addr_first = simple_strtoul(arg1, &ep, 16);
	if (ep == arg1 || *ep != '\0')
		return -1;

	if (arg2 && *arg2 == '+'){
		len_used = 1;
		++arg2;
	}

	*addr_last = simple_strtoul(arg2, &ep, 16);
	if (ep == arg2 || *ep != '\0')
		return -1;

	if (len_used){
		char found = 0;
		ulong bank;

		/*
		 * *addr_last has the length, compute correct *addr_last
		 * XXX watch out for the integer overflow! Right now it is
		 * checked for in both the callers.
		 */
		*addr_last = *addr_first + *addr_last - 1;

		/*
		 * It may happen that *addr_last doesn't fall on the sector
		 * boundary. We want to round such an address to the next
		 * sector boundary, so that the commands don't fail later on.
		 */

		/* find the end addr of the sector where the *addr_last is */
		for (bank = 0; bank < CFG_MAX_FLASH_BANKS && !found; ++bank){
			int i;
			flash_info_t *info = &flash_info[bank];
			for (i = 0; i < info->sector_count && !found; ++i){
				/* get the end address of the sector */
				ulong sector_end_addr;
				if (i == info->sector_count - 1){
					sector_end_addr =
						info->start[0] + info->size - 1;
				} else {
					sector_end_addr =
						info->start[i+1] - 1;
				}
				if (*addr_last <= sector_end_addr &&
						*addr_last >= info->start[i]){
					/* sector found */
					found = 1;
					/* adjust *addr_last if necessary */
					if (*addr_last < sector_end_addr){
						*addr_last = sector_end_addr;
					}
				}
			} /* sector */
		} /* bank */
		if (!found){
			/* error, addres not in flash */
			printf("Error: end address (0x%08lx) not in flash!\n",
								*addr_last);
			return -1;
		}
	} /* "start +length" from used */

	return 1;
}

static int
flash_fill_sect_ranges (ulong addr_first, ulong addr_last,
			int *s_first, int *s_last,
			int *s_count )
{
	flash_info_t *info;
	ulong bank;
	int rcode = 0;

	*s_count = 0;

	for (bank=0; bank < CFG_MAX_FLASH_BANKS; ++bank) {
		s_first[bank] = -1;	/* first sector to erase	*/
		s_last [bank] = -1;	/* last  sector to erase	*/
	}

	for (bank=0,info=&flash_info[0];
	     (bank < CFG_MAX_FLASH_BANKS) && (addr_first <= addr_last);
	     ++bank, ++info) {
		ulong b_end;
		int sect;
		short s_end;

		if (info->flash_id == FLASH_UNKNOWN) {
			continue;
		}

		b_end = info->start[0] + info->size - 1;	/* bank end addr */
		s_end = info->sector_count - 1;			/* last sector   */


		for (sect=0; sect < info->sector_count; ++sect) {
			ulong end;	/* last address in current sect	*/

			end = (sect == s_end) ? b_end : info->start[sect + 1] - 1;

			if (addr_first > end)
				continue;
			if (addr_last < info->start[sect])
				continue;

			if (addr_first == info->start[sect]) {
				s_first[bank] = sect;
			}
			if (addr_last  == end) {
				s_last[bank]  = sect;
			}
		}
		if (s_first[bank] >= 0) {
			if (s_last[bank] < 0) {
				if (addr_last > b_end) {
					s_last[bank] = s_end;
				} else {
					puts ("Error: end address"
						" not on sector boundary\n");
					rcode = 1;
					break;
				}
			}
			if (s_last[bank] < s_first[bank]) {
				puts ("Error: end sector"
					" precedes start sector\n");
				rcode = 1;
				break;
			}
			sect = s_last[bank];
			addr_first = (sect == s_end) ? b_end + 1: info->start[sect + 1];
			(*s_count) += s_last[bank] - s_first[bank] + 1;
		} else if (addr_first >= info->start[0] && addr_first < b_end) {
			puts ("Error: start address not on sector boundary\n");
			rcode = 1;
			break;
		} else if (s_last[bank] >= 0) {
			puts ("Error: cannot span across banks when they are"
			       " mapped in reverse order\n");
			rcode = 1;
			break;
		}
	}

	return rcode;
}

int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	ulong bank;

#ifdef CONFIG_HAS_DATAFLASH
	dataflash_print_info();
#endif

	if (argc == 1) {	/* print info for all FLASH banks */
		for (bank=0; bank <CFG_MAX_FLASH_BANKS; ++bank) {
			printf ("\nBank # %ld: ", bank+1);

			flash_print_info (&flash_info[bank]);
		}
		return 0;
	}

	bank = simple_strtoul(argv[1], NULL, 16);
	if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) {
		printf ("Only FLASH Banks # 1 ... # %d supported\n",
			CFG_MAX_FLASH_BANKS);
		return 1;
	}
	printf ("\nBank # %ld: ", bank);
	flash_print_info (&flash_info[bank-1]);
	return 0;
}

int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	flash_info_t *info;
	ulong bank, addr_first, addr_last;
	int n, sect_first, sect_last;
#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
	struct mtd_device *dev;
	struct part_info *part;
	u8 dev_type, dev_num, pnum;
#endif
	int rcode = 0;

	if (argc < 2) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

	if (strcmp(argv[1], "all") == 0) {
		for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) {
			printf ("Erase Flash Bank # %ld ", bank);
			info = &flash_info[bank-1];
			rcode = flash_erase (info, 0, info->sector_count-1);
		}
		return rcode;
	}

	if ((n = abbrev_spec(argv[1], &info, &sect_first, &sect_last)) != 0) {
		if (n < 0) {
			puts ("Bad sector specification\n");
			return 1;
		}
		printf ("Erase Flash Sectors %d-%d in Bank # %d ",
			sect_first, sect_last, (info-flash_info)+1);
		rcode = flash_erase(info, sect_first, sect_last);
		return rcode;
	}

#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
	/* erase <part-id> - erase partition */
	if ((argc == 2) && (id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) {
		mtdparts_init();
		if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) {
			if (dev->id->type == MTD_DEV_TYPE_NOR) {
				bank = dev->id->num;
				info = &flash_info[bank];
				addr_first = part->offset + info->start[0];
				addr_last = addr_first + part->size - 1;

				printf ("Erase Flash Parition %s, "
						"bank %d, 0x%08lx - 0x%08lx ",
						argv[1], bank, addr_first,
						addr_last);

				rcode = flash_sect_erase(addr_first, addr_last);
				return rcode;
			}

			printf("cannot erase, not a NOR device\n");
			return 1;
		}
	}
#endif

	if (argc != 3) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

	if (strcmp(argv[1], "bank") == 0) {
		bank = simple_strtoul(argv[2], NULL, 16);
		if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) {
			printf ("Only FLASH Banks # 1 ... # %d supported\n",
				CFG_MAX_FLASH_BANKS);
			return 1;
		}
		printf ("Erase Flash Bank # %ld ", bank);
		info = &flash_info[bank-1];
		rcode = flash_erase (info, 0, info->sector_count-1);
		return rcode;
	}

	if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){
		printf ("Bad address format\n");
		return 1;
	}

	if (addr_first >= addr_last) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

	rcode = flash_sect_erase(addr_first, addr_last);
	return rcode;
}

int flash_sect_erase (ulong addr_first, ulong addr_last)
{
	flash_info_t *info;
	ulong bank;
#ifdef CFG_MAX_FLASH_BANKS_DETECT
	int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT];
#else
	int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS];
#endif
	int erased = 0;
	int planned;
	int rcode = 0;

	rcode = flash_fill_sect_ranges (addr_first, addr_last,
					s_first, s_last, &planned );

	if (planned && (rcode == 0)) {
		for (bank=0,info=&flash_info[0];
		     (bank < CFG_MAX_FLASH_BANKS) && (rcode == 0);
		     ++bank, ++info) {
			if (s_first[bank]>=0) {
				erased += s_last[bank] - s_first[bank] + 1;
				debug ("Erase Flash from 0x%08lx to 0x%08lx "
					"in Bank # %ld ",
					info->start[s_first[bank]],
					(s_last[bank] == info->sector_count) ?
						info->start[0] + info->size - 1:
						info->start[s_last[bank]+1] - 1,
					bank+1);
				rcode = flash_erase (info, s_first[bank], s_last[bank]);
			}
		}
		printf ("Erased %d sectors\n", erased);
	} else if (rcode == 0) {
		puts ("Error: start and/or end address"
			" not on sector boundary\n");
		rcode = 1;
	}
	return rcode;
}

int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	flash_info_t *info;
	ulong bank, addr_first, addr_last;
	int i, p, n, sect_first, sect_last;
#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
	struct mtd_device *dev;
	struct part_info *part;
	u8 dev_type, dev_num, pnum;
#endif
	int rcode = 0;
#ifdef CONFIG_HAS_DATAFLASH
	int status;
#endif
	if (argc < 3) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

	if (strcmp(argv[1], "off") == 0) {
		p = 0;
	} else if (strcmp(argv[1], "on") == 0) {
		p = 1;
	} else {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

#ifdef CONFIG_HAS_DATAFLASH
	if ((strcmp(argv[2], "all") != 0) && (strcmp(argv[2], "bank") != 0)) {
		addr_first = simple_strtoul(argv[2], NULL, 16);
		addr_last  = simple_strtoul(argv[3], NULL, 16);

		if (addr_dataflash(addr_first) && addr_dataflash(addr_last)) {
			status = dataflash_real_protect(p,addr_first,addr_last);
			if (status < 0){
				puts ("Bad DataFlash sector specification\n");
				return 1;
			}
			printf("%sProtect %d DataFlash Sectors\n",
				p ? "" : "Un-", status);
			return 0;
		}
	}
#endif

	if (strcmp(argv[2], "all") == 0) {
		for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) {
			info = &flash_info[bank-1];
			if (info->flash_id == FLASH_UNKNOWN) {
				continue;
			}
			printf ("%sProtect Flash Bank # %ld\n",
				p ? "" : "Un-", bank);

			for (i=0; i<info->sector_count; ++i) {
#if defined(CFG_FLASH_PROTECTION)
				if (flash_real_protect(info, i, p))
					rcode = 1;
				putc ('.');
#else
				info->protect[i] = p;
#endif	/* CFG_FLASH_PROTECTION */
			}
		}

#if defined(CFG_FLASH_PROTECTION)
		if (!rcode) puts (" done\n");
#endif	/* CFG_FLASH_PROTECTION */

		return rcode;
	}

	if ((n = abbrev_spec(argv[2], &info, &sect_first, &sect_last)) != 0) {
		if (n < 0) {
			puts ("Bad sector specification\n");
			return 1;
		}
		printf("%sProtect Flash Sectors %d-%d in Bank # %d\n",
			p ? "" : "Un-", sect_first, sect_last,
			(info-flash_info)+1);
		for (i = sect_first; i <= sect_last; i++) {
#if defined(CFG_FLASH_PROTECTION)
			if (flash_real_protect(info, i, p))
				rcode =  1;
			putc ('.');
#else
			info->protect[i] = p;
#endif	/* CFG_FLASH_PROTECTION */
		}

#if defined(CFG_FLASH_PROTECTION)
		if (!rcode) puts (" done\n");
#endif	/* CFG_FLASH_PROTECTION */

		return rcode;
	}

#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
	/* protect on/off <part-id> */
	if ((argc == 3) && (id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) {
		mtdparts_init();
		if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) {
			if (dev->id->type == MTD_DEV_TYPE_NOR) {
				bank = dev->id->num;
				info = &flash_info[bank];
				addr_first = part->offset + info->start[0];
				addr_last = addr_first + part->size - 1;

				printf ("%sProtect Flash Parition %s, "
						"bank %d, 0x%08lx - 0x%08lx\n",
						p ? "" : "Un", argv[1],
						bank, addr_first, addr_last);

				rcode = flash_sect_protect (p, addr_first, addr_last);
				return rcode;
			}

			printf("cannot %sprotect, not a NOR device\n",
					p ? "" : "un");
			return 1;
		}
	}
#endif

	if (argc != 4) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}

	if (strcmp(argv[2], "bank") == 0) {
		bank = simple_strtoul(argv[3], NULL, 16);
		if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) {
			printf ("Only FLASH Banks # 1 ... # %d supported\n",
				CFG_MAX_FLASH_BANKS);
			return 1;
		}
		printf ("%sProtect Flash Bank # %ld\n",
			p ? "" : "Un-", bank);
		info = &flash_info[bank-1];

		if (info->flash_id == FLASH_UNKNOWN) {
			puts ("missing or unknown FLASH type\n");
			return 1;
		}
		for (i=0; i<info->sector_count; ++i) {
#if defined(CFG_FLASH_PROTECTION)
			if (flash_real_protect(info, i, p))
				rcode =  1;
			putc ('.');
#else
			info->protect[i] = p;
#endif	/* CFG_FLASH_PROTECTION */
		}

#if defined(CFG_FLASH_PROTECTION)
		if (!rcode) puts (" done\n");
#endif	/* CFG_FLASH_PROTECTION */

		return rcode;
	}

	if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){
		printf("Bad address format\n");
		return 1;
	}

	if (addr_first >= addr_last) {
		printf ("Usage:\n%s\n", cmdtp->usage);
		return 1;
	}
	rcode = flash_sect_protect (p, addr_first, addr_last);
	return rcode;
}


int flash_sect_protect (int p, ulong addr_first, ulong addr_last)
{
	flash_info_t *info;
	ulong bank;
#ifdef CFG_MAX_FLASH_BANKS_DETECT
	int s_first[CFG_MAX_FLASH_BANKS_DETECT], s_last[CFG_MAX_FLASH_BANKS_DETECT];
#else
	int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS];
#endif
	int protected, i;
	int planned;
	int rcode;

	rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned );

	protected = 0;

	if (planned && (rcode == 0)) {
		for (bank=0,info=&flash_info[0]; bank < CFG_MAX_FLASH_BANKS; ++bank, ++info) {
			if (info->flash_id == FLASH_UNKNOWN) {
				continue;
			}

			if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) {
				debug ("%sProtecting sectors %d..%d in bank %ld\n",
					p ? "" : "Un-",
					s_first[bank], s_last[bank], bank+1);
				protected += s_last[bank] - s_first[bank] + 1;
				for (i=s_first[bank]; i<=s_last[bank]; ++i) {
#if defined(CFG_FLASH_PROTECTION)
					if (flash_real_protect(info, i, p))
						rcode = 1;
					putc ('.');
#else
					info->protect[i] = p;
#endif	/* CFG_FLASH_PROTECTION */
				}
			}
#if defined(CFG_FLASH_PROTECTION)
			if (!rcode) putc ('\n');
#endif	/* CFG_FLASH_PROTECTION */
		}

		printf ("%sProtected %d sectors\n",
			p ? "" : "Un-", protected);
	} else if (rcode == 0) {
		puts ("Error: start and/or end address"
			" not on sector boundary\n");
		rcode = 1;
	}
	return rcode;
}


/**************************************************/
#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
# define TMP_ERASE	"erase <part-id>\n    - erase partition\n"
# define TMP_PROT_ON	"protect on <part-id>\n    - protect partition\n"
# define TMP_PROT_OFF	"protect off <part-id>\n    - make partition writable\n"
#else
# define TMP_ERASE	/* empty */
# define TMP_PROT_ON	/* empty */
# define TMP_PROT_OFF	/* empty */
#endif

U_BOOT_CMD(
	flinfo,    2,    1,    do_flinfo,
	"flinfo  - print FLASH memory information\n",
	"\n    - print information for all FLASH memory banks\n"
	"flinfo N\n    - print information for FLASH memory bank # N\n"
);

U_BOOT_CMD(
	erase,   3,   1,  do_flerase,
	"erase   - erase FLASH memory\n",
	"start end\n"
	"    - erase FLASH from addr 'start' to addr 'end'\n"
	"erase start +len\n"
	"    - erase FLASH from addr 'start' to the end of sect "
	"w/addr 'start'+'len'-1\n"
	"erase N:SF[-SL]\n    - erase sectors SF-SL in FLASH bank # N\n"
	"erase bank N\n    - erase FLASH bank # N\n"
	TMP_ERASE
	"erase all\n    - erase all FLASH banks\n"
);

U_BOOT_CMD(
	protect,  4,  1,   do_protect,
	"protect - enable or disable FLASH write protection\n",
	"on  start end\n"
	"    - protect FLASH from addr 'start' to addr 'end'\n"
	"protect on start +len\n"
	"    - protect FLASH from addr 'start' to end of sect "
	"w/addr 'start'+'len'-1\n"
	"protect on  N:SF[-SL]\n"
	"    - protect sectors SF-SL in FLASH bank # N\n"
	"protect on  bank N\n    - protect FLASH bank # N\n"
	TMP_PROT_ON
	"protect on  all\n    - protect all FLASH banks\n"
	"protect off start end\n"
	"    - make FLASH from addr 'start' to addr 'end' writable\n"
	"protect off start +len\n"
	"    - make FLASH from addr 'start' to end of sect "
	"w/addr 'start'+'len'-1 wrtable\n"
	"protect off N:SF[-SL]\n"
	"    - make sectors SF-SL writable in FLASH bank # N\n"
	"protect off bank N\n    - make FLASH bank # N writable\n"
	TMP_PROT_OFF
	"protect off all\n    - make all FLASH banks writable\n"
);

#undef	TMP_ERASE
#undef	TMP_PROT_ON
#undef	TMP_PROT_OFF

#endif	/* CFG_CMD_FLASH */