ppc4xx: Remove CANBT board
[platform/kernel/u-boot.git] / common / cmd_flash.c
1 /*
2  * (C) Copyright 2000
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 /*
9  * FLASH support
10  */
11 #include <common.h>
12 #include <command.h>
13
14 #ifdef CONFIG_HAS_DATAFLASH
15 #include <dataflash.h>
16 #endif
17
18 #if defined(CONFIG_CMD_MTDPARTS)
19 #include <jffs2/jffs2.h>
20
21 /* partition handling routines */
22 int mtdparts_init(void);
23 int mtd_id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
24 int find_dev_and_part(const char *id, struct mtd_device **dev,
25                 u8 *part_num, struct part_info **part);
26 #endif
27
28 #ifndef CONFIG_SYS_NO_FLASH
29 #include <flash.h>
30 #include <mtd/cfi_flash.h>
31 extern flash_info_t flash_info[];       /* info for FLASH chips */
32
33 /*
34  * The user interface starts numbering for Flash banks with 1
35  * for historical reasons.
36  */
37
38 /*
39  * this routine looks for an abbreviated flash range specification.
40  * the syntax is B:SF[-SL], where B is the bank number, SF is the first
41  * sector to erase, and SL is the last sector to erase (defaults to SF).
42  * bank numbers start at 1 to be consistent with other specs, sector numbers
43  * start at zero.
44  *
45  * returns:     1       - correct spec; *pinfo, *psf and *psl are
46  *                        set appropriately
47  *              0       - doesn't look like an abbreviated spec
48  *              -1      - looks like an abbreviated spec, but got
49  *                        a parsing error, a number out of range,
50  *                        or an invalid flash bank.
51  */
52 static int
53 abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl)
54 {
55         flash_info_t *fp;
56         int bank, first, last;
57         char *p, *ep;
58
59         if ((p = strchr (str, ':')) == NULL)
60                 return 0;
61         *p++ = '\0';
62
63         bank = simple_strtoul (str, &ep, 10);
64         if (ep == str || *ep != '\0' ||
65                 bank < 1 || bank > CONFIG_SYS_MAX_FLASH_BANKS ||
66                 (fp = &flash_info[bank - 1])->flash_id == FLASH_UNKNOWN)
67                 return -1;
68
69         str = p;
70         if ((p = strchr (str, '-')) != NULL)
71                 *p++ = '\0';
72
73         first = simple_strtoul (str, &ep, 10);
74         if (ep == str || *ep != '\0' || first >= fp->sector_count)
75                 return -1;
76
77         if (p != NULL) {
78                 last = simple_strtoul (p, &ep, 10);
79                 if (ep == p || *ep != '\0' ||
80                         last < first || last >= fp->sector_count)
81                         return -1;
82         } else {
83                 last = first;
84         }
85
86         *pinfo = fp;
87         *psf = first;
88         *psl = last;
89
90         return 1;
91 }
92
93 /*
94  * Take *addr in Flash and adjust it to fall on the end of its sector
95  */
96 int flash_sect_roundb (ulong *addr)
97 {
98         flash_info_t *info;
99         ulong bank, sector_end_addr;
100         char found;
101         int i;
102
103         /* find the end addr of the sector where the *addr is */
104         found = 0;
105         for (bank = 0; bank < CONFIG_SYS_MAX_FLASH_BANKS && !found; ++bank) {
106                 info = &flash_info[bank];
107                 for (i = 0; i < info->sector_count && !found; ++i) {
108                         /* get the end address of the sector */
109                         if (i == info->sector_count - 1) {
110                                 sector_end_addr = info->start[0] +
111                                                                 info->size - 1;
112                         } else {
113                                 sector_end_addr = info->start[i+1] - 1;
114                         }
115
116                         if (*addr <= sector_end_addr &&
117                                                 *addr >= info->start[i]) {
118                                 found = 1;
119                                 /* adjust *addr if necessary */
120                                 if (*addr < sector_end_addr)
121                                         *addr = sector_end_addr;
122                         } /* sector */
123                 } /* bank */
124         }
125         if (!found) {
126                 /* error, address not in flash */
127                 printf("Error: end address (0x%08lx) not in flash!\n", *addr);
128                 return 1;
129         }
130
131         return 0;
132 }
133
134 /*
135  * This function computes the start and end addresses for both
136  * erase and protect commands. The range of the addresses on which
137  * either of the commands is to operate can be given in two forms:
138  * 1. <cmd> start end - operate on <'start',  'end')
139  * 2. <cmd> start +length - operate on <'start', start + length)
140  * If the second form is used and the end address doesn't fall on the
141  * sector boundary, than it will be adjusted to the next sector boundary.
142  * If it isn't in the flash, the function will fail (return -1).
143  * Input:
144  *    arg1, arg2: address specification (i.e. both command arguments)
145  * Output:
146  *    addr_first, addr_last: computed address range
147  * Return:
148  *    1: success
149  *   -1: failure (bad format, bad address).
150 */
151 static int
152 addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last)
153 {
154         char *ep;
155         char len_used; /* indicates if the "start +length" form used */
156
157         *addr_first = simple_strtoul(arg1, &ep, 16);
158         if (ep == arg1 || *ep != '\0')
159                 return -1;
160
161         len_used = 0;
162         if (arg2 && *arg2 == '+'){
163                 len_used = 1;
164                 ++arg2;
165         }
166
167         *addr_last = simple_strtoul(arg2, &ep, 16);
168         if (ep == arg2 || *ep != '\0')
169                 return -1;
170
171         if (len_used){
172                 /*
173                  * *addr_last has the length, compute correct *addr_last
174                  * XXX watch out for the integer overflow! Right now it is
175                  * checked for in both the callers.
176                  */
177                 *addr_last = *addr_first + *addr_last - 1;
178
179                 /*
180                  * It may happen that *addr_last doesn't fall on the sector
181                  * boundary. We want to round such an address to the next
182                  * sector boundary, so that the commands don't fail later on.
183                  */
184
185                 if (flash_sect_roundb(addr_last) > 0)
186                         return -1;
187         } /* "start +length" from used */
188
189         return 1;
190 }
191
192 static int
193 flash_fill_sect_ranges (ulong addr_first, ulong addr_last,
194                         int *s_first, int *s_last,
195                         int *s_count )
196 {
197         flash_info_t *info;
198         ulong bank;
199         int rcode = 0;
200
201         *s_count = 0;
202
203         for (bank=0; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
204                 s_first[bank] = -1;     /* first sector to erase        */
205                 s_last [bank] = -1;     /* last  sector to erase        */
206         }
207
208         for (bank=0,info = &flash_info[0];
209              (bank < CONFIG_SYS_MAX_FLASH_BANKS) && (addr_first <= addr_last);
210              ++bank, ++info) {
211                 ulong b_end;
212                 int sect;
213                 short s_end;
214
215                 if (info->flash_id == FLASH_UNKNOWN) {
216                         continue;
217                 }
218
219                 b_end = info->start[0] + info->size - 1;        /* bank end addr */
220                 s_end = info->sector_count - 1;                 /* last sector   */
221
222
223                 for (sect=0; sect < info->sector_count; ++sect) {
224                         ulong end;      /* last address in current sect */
225
226                         end = (sect == s_end) ? b_end : info->start[sect + 1] - 1;
227
228                         if (addr_first > end)
229                                 continue;
230                         if (addr_last < info->start[sect])
231                                 continue;
232
233                         if (addr_first == info->start[sect]) {
234                                 s_first[bank] = sect;
235                         }
236                         if (addr_last  == end) {
237                                 s_last[bank]  = sect;
238                         }
239                 }
240                 if (s_first[bank] >= 0) {
241                         if (s_last[bank] < 0) {
242                                 if (addr_last > b_end) {
243                                         s_last[bank] = s_end;
244                                 } else {
245                                         puts ("Error: end address"
246                                                 " not on sector boundary\n");
247                                         rcode = 1;
248                                         break;
249                                 }
250                         }
251                         if (s_last[bank] < s_first[bank]) {
252                                 puts ("Error: end sector"
253                                         " precedes start sector\n");
254                                 rcode = 1;
255                                 break;
256                         }
257                         sect = s_last[bank];
258                         addr_first = (sect == s_end) ? b_end + 1: info->start[sect + 1];
259                         (*s_count) += s_last[bank] - s_first[bank] + 1;
260                 } else if (addr_first >= info->start[0] && addr_first < b_end) {
261                         puts ("Error: start address not on sector boundary\n");
262                         rcode = 1;
263                         break;
264                 } else if (s_last[bank] >= 0) {
265                         puts ("Error: cannot span across banks when they are"
266                                " mapped in reverse order\n");
267                         rcode = 1;
268                         break;
269                 }
270         }
271
272         return rcode;
273 }
274 #endif /* CONFIG_SYS_NO_FLASH */
275
276 static int do_flinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
277 {
278 #ifndef CONFIG_SYS_NO_FLASH
279         ulong bank;
280 #endif
281
282 #ifdef CONFIG_HAS_DATAFLASH
283         dataflash_print_info();
284 #endif
285
286 #ifndef CONFIG_SYS_NO_FLASH
287         if (argc == 1) {        /* print info for all FLASH banks */
288                 for (bank=0; bank <CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
289                         printf ("\nBank # %ld: ", bank+1);
290
291                         flash_print_info (&flash_info[bank]);
292                 }
293                 return 0;
294         }
295
296         bank = simple_strtoul(argv[1], NULL, 16);
297         if ((bank < 1) || (bank > CONFIG_SYS_MAX_FLASH_BANKS)) {
298                 printf ("Only FLASH Banks # 1 ... # %d supported\n",
299                         CONFIG_SYS_MAX_FLASH_BANKS);
300                 return 1;
301         }
302         printf ("\nBank # %ld: ", bank);
303         flash_print_info (&flash_info[bank-1]);
304 #endif /* CONFIG_SYS_NO_FLASH */
305         return 0;
306 }
307
308 static int do_flerase(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
309 {
310 #ifndef CONFIG_SYS_NO_FLASH
311         flash_info_t *info = NULL;
312         ulong bank, addr_first, addr_last;
313         int n, sect_first = 0, sect_last = 0;
314 #if defined(CONFIG_CMD_MTDPARTS)
315         struct mtd_device *dev;
316         struct part_info *part;
317         u8 dev_type, dev_num, pnum;
318 #endif
319         int rcode = 0;
320
321         if (argc < 2)
322                 return CMD_RET_USAGE;
323
324         if (strcmp(argv[1], "all") == 0) {
325                 for (bank=1; bank<=CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
326                         printf ("Erase Flash Bank # %ld ", bank);
327                         info = &flash_info[bank-1];
328                         rcode = flash_erase (info, 0, info->sector_count-1);
329                 }
330                 return rcode;
331         }
332
333         if ((n = abbrev_spec(argv[1], &info, &sect_first, &sect_last)) != 0) {
334                 if (n < 0) {
335                         puts ("Bad sector specification\n");
336                         return 1;
337                 }
338                 printf ("Erase Flash Sectors %d-%d in Bank # %zu ",
339                         sect_first, sect_last, (info-flash_info)+1);
340                 rcode = flash_erase(info, sect_first, sect_last);
341                 return rcode;
342         }
343
344 #if defined(CONFIG_CMD_MTDPARTS)
345         /* erase <part-id> - erase partition */
346         if ((argc == 2) && (mtd_id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) {
347                 mtdparts_init();
348                 if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) {
349                         if (dev->id->type == MTD_DEV_TYPE_NOR) {
350                                 bank = dev->id->num;
351                                 info = &flash_info[bank];
352                                 addr_first = part->offset + info->start[0];
353                                 addr_last = addr_first + part->size - 1;
354
355                                 printf ("Erase Flash Partition %s, "
356                                                 "bank %ld, 0x%08lx - 0x%08lx ",
357                                                 argv[1], bank, addr_first,
358                                                 addr_last);
359
360                                 rcode = flash_sect_erase(addr_first, addr_last);
361                                 return rcode;
362                         }
363
364                         printf("cannot erase, not a NOR device\n");
365                         return 1;
366                 }
367         }
368 #endif
369
370         if (argc != 3)
371                 return CMD_RET_USAGE;
372
373         if (strcmp(argv[1], "bank") == 0) {
374                 bank = simple_strtoul(argv[2], NULL, 16);
375                 if ((bank < 1) || (bank > CONFIG_SYS_MAX_FLASH_BANKS)) {
376                         printf ("Only FLASH Banks # 1 ... # %d supported\n",
377                                 CONFIG_SYS_MAX_FLASH_BANKS);
378                         return 1;
379                 }
380                 printf ("Erase Flash Bank # %ld ", bank);
381                 info = &flash_info[bank-1];
382                 rcode = flash_erase (info, 0, info->sector_count-1);
383                 return rcode;
384         }
385
386         if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){
387                 printf ("Bad address format\n");
388                 return 1;
389         }
390
391         if (addr_first >= addr_last)
392                 return CMD_RET_USAGE;
393
394         rcode = flash_sect_erase(addr_first, addr_last);
395         return rcode;
396 #else
397         return 0;
398 #endif /* CONFIG_SYS_NO_FLASH */
399 }
400
401 #ifndef CONFIG_SYS_NO_FLASH
402 int flash_sect_erase (ulong addr_first, ulong addr_last)
403 {
404         flash_info_t *info;
405         ulong bank;
406         int s_first[CONFIG_SYS_MAX_FLASH_BANKS], s_last[CONFIG_SYS_MAX_FLASH_BANKS];
407         int erased = 0;
408         int planned;
409         int rcode = 0;
410
411         rcode = flash_fill_sect_ranges (addr_first, addr_last,
412                                         s_first, s_last, &planned );
413
414         if (planned && (rcode == 0)) {
415                 for (bank=0,info = &flash_info[0];
416                      (bank < CONFIG_SYS_MAX_FLASH_BANKS) && (rcode == 0);
417                      ++bank, ++info) {
418                         if (s_first[bank]>=0) {
419                                 erased += s_last[bank] - s_first[bank] + 1;
420                                 debug ("Erase Flash from 0x%08lx to 0x%08lx "
421                                         "in Bank # %ld ",
422                                         info->start[s_first[bank]],
423                                         (s_last[bank] == info->sector_count) ?
424                                                 info->start[0] + info->size - 1:
425                                                 info->start[s_last[bank]+1] - 1,
426                                         bank+1);
427                                 rcode = flash_erase (info, s_first[bank], s_last[bank]);
428                         }
429                 }
430                 if (rcode == 0)
431                         printf("Erased %d sectors\n", erased);
432         } else if (rcode == 0) {
433                 puts ("Error: start and/or end address"
434                         " not on sector boundary\n");
435                 rcode = 1;
436         }
437         return rcode;
438 }
439 #endif /* CONFIG_SYS_NO_FLASH */
440
441 static int do_protect(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
442 {
443         int rcode = 0;
444 #ifndef CONFIG_SYS_NO_FLASH
445         flash_info_t *info = NULL;
446         ulong bank;
447         int i, n, sect_first = 0, sect_last = 0;
448 #if defined(CONFIG_CMD_MTDPARTS)
449         struct mtd_device *dev;
450         struct part_info *part;
451         u8 dev_type, dev_num, pnum;
452 #endif
453 #endif /* CONFIG_SYS_NO_FLASH */
454 #ifdef CONFIG_HAS_DATAFLASH
455         int status;
456 #endif
457 #if !defined(CONFIG_SYS_NO_FLASH) || defined(CONFIG_HAS_DATAFLASH)
458         int p;
459         ulong addr_first, addr_last;
460 #endif
461
462         if (argc < 3)
463                 return CMD_RET_USAGE;
464
465 #if !defined(CONFIG_SYS_NO_FLASH) || defined(CONFIG_HAS_DATAFLASH)
466         if (strcmp(argv[1], "off") == 0)
467                 p = 0;
468         else if (strcmp(argv[1], "on") == 0)
469                 p = 1;
470         else
471                 return CMD_RET_USAGE;
472 #endif
473
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){
482                                 puts ("Bad DataFlash sector specification\n");
483                                 return 1;
484                         }
485                         printf("%sProtect %d DataFlash Sectors\n",
486                                 p ? "" : "Un-", status);
487                         return 0;
488                 }
489         }
490 #endif
491
492 #ifndef CONFIG_SYS_NO_FLASH
493         if (strcmp(argv[2], "all") == 0) {
494                 for (bank=1; bank<=CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
495                         info = &flash_info[bank-1];
496                         if (info->flash_id == FLASH_UNKNOWN) {
497                                 continue;
498                         }
499                         printf ("%sProtect Flash Bank # %ld\n",
500                                 p ? "" : "Un-", bank);
501
502                         for (i=0; i<info->sector_count; ++i) {
503 #if defined(CONFIG_SYS_FLASH_PROTECTION)
504                                 if (flash_real_protect(info, i, p))
505                                         rcode = 1;
506                                 putc ('.');
507 #else
508                                 info->protect[i] = p;
509 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
510                         }
511 #if defined(CONFIG_SYS_FLASH_PROTECTION)
512                         if (!rcode) puts (" done\n");
513 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
514                 }
515                 return rcode;
516         }
517
518         if ((n = abbrev_spec(argv[2], &info, &sect_first, &sect_last)) != 0) {
519                 if (n < 0) {
520                         puts ("Bad sector specification\n");
521                         return 1;
522                 }
523                 printf("%sProtect Flash Sectors %d-%d in Bank # %zu\n",
524                         p ? "" : "Un-", sect_first, sect_last,
525                         (info-flash_info)+1);
526                 for (i = sect_first; i <= sect_last; i++) {
527 #if defined(CONFIG_SYS_FLASH_PROTECTION)
528                         if (flash_real_protect(info, i, p))
529                                 rcode =  1;
530                         putc ('.');
531 #else
532                         info->protect[i] = p;
533 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
534                 }
535
536 #if defined(CONFIG_SYS_FLASH_PROTECTION)
537                 if (!rcode) puts (" done\n");
538 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
539
540                 return rcode;
541         }
542
543 #if defined(CONFIG_CMD_MTDPARTS)
544         /* protect on/off <part-id> */
545         if ((argc == 3) && (mtd_id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) {
546                 mtdparts_init();
547                 if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) {
548                         if (dev->id->type == MTD_DEV_TYPE_NOR) {
549                                 bank = dev->id->num;
550                                 info = &flash_info[bank];
551                                 addr_first = part->offset + info->start[0];
552                                 addr_last = addr_first + part->size - 1;
553
554                                 printf ("%sProtect Flash Partition %s, "
555                                                 "bank %ld, 0x%08lx - 0x%08lx\n",
556                                                 p ? "" : "Un", argv[1],
557                                                 bank, addr_first, addr_last);
558
559                                 rcode = flash_sect_protect (p, addr_first, addr_last);
560                                 return rcode;
561                         }
562
563                         printf("cannot %sprotect, not a NOR device\n",
564                                         p ? "" : "un");
565                         return 1;
566                 }
567         }
568 #endif
569
570         if (argc != 4)
571                 return CMD_RET_USAGE;
572
573         if (strcmp(argv[2], "bank") == 0) {
574                 bank = simple_strtoul(argv[3], NULL, 16);
575                 if ((bank < 1) || (bank > CONFIG_SYS_MAX_FLASH_BANKS)) {
576                         printf ("Only FLASH Banks # 1 ... # %d supported\n",
577                                 CONFIG_SYS_MAX_FLASH_BANKS);
578                         return 1;
579                 }
580                 printf ("%sProtect Flash Bank # %ld\n",
581                         p ? "" : "Un-", bank);
582                 info = &flash_info[bank-1];
583
584                 if (info->flash_id == FLASH_UNKNOWN) {
585                         puts ("missing or unknown FLASH type\n");
586                         return 1;
587                 }
588                 for (i=0; i<info->sector_count; ++i) {
589 #if defined(CONFIG_SYS_FLASH_PROTECTION)
590                         if (flash_real_protect(info, i, p))
591                                 rcode =  1;
592                         putc ('.');
593 #else
594                         info->protect[i] = p;
595 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
596                 }
597
598 #if defined(CONFIG_SYS_FLASH_PROTECTION)
599                 if (!rcode) puts (" done\n");
600 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
601
602                 return rcode;
603         }
604
605         if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){
606                 printf("Bad address format\n");
607                 return 1;
608         }
609
610         if (addr_first >= addr_last)
611                 return CMD_RET_USAGE;
612
613         rcode = flash_sect_protect (p, addr_first, addr_last);
614 #endif /* CONFIG_SYS_NO_FLASH */
615         return rcode;
616 }
617
618 #ifndef CONFIG_SYS_NO_FLASH
619 int flash_sect_protect (int p, ulong addr_first, ulong addr_last)
620 {
621         flash_info_t *info;
622         ulong bank;
623         int s_first[CONFIG_SYS_MAX_FLASH_BANKS], s_last[CONFIG_SYS_MAX_FLASH_BANKS];
624         int protected, i;
625         int planned;
626         int rcode;
627
628         rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned );
629
630         protected = 0;
631
632         if (planned && (rcode == 0)) {
633                 for (bank=0,info = &flash_info[0]; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank, ++info) {
634                         if (info->flash_id == FLASH_UNKNOWN) {
635                                 continue;
636                         }
637
638                         if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) {
639                                 debug ("%sProtecting sectors %d..%d in bank %ld\n",
640                                         p ? "" : "Un-",
641                                         s_first[bank], s_last[bank], bank+1);
642                                 protected += s_last[bank] - s_first[bank] + 1;
643                                 for (i=s_first[bank]; i<=s_last[bank]; ++i) {
644 #if defined(CONFIG_SYS_FLASH_PROTECTION)
645                                         if (flash_real_protect(info, i, p))
646                                                 rcode = 1;
647                                         putc ('.');
648 #else
649                                         info->protect[i] = p;
650 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
651                                 }
652                         }
653                 }
654 #if defined(CONFIG_SYS_FLASH_PROTECTION)
655                 puts (" done\n");
656 #endif  /* CONFIG_SYS_FLASH_PROTECTION */
657
658                 printf ("%sProtected %d sectors\n",
659                         p ? "" : "Un-", protected);
660         } else if (rcode == 0) {
661                 puts ("Error: start and/or end address"
662                         " not on sector boundary\n");
663                 rcode = 1;
664         }
665         return rcode;
666 }
667 #endif /* CONFIG_SYS_NO_FLASH */
668
669
670 /**************************************************/
671 #if defined(CONFIG_CMD_MTDPARTS)
672 # define TMP_ERASE      "erase <part-id>\n    - erase partition\n"
673 # define TMP_PROT_ON    "protect on <part-id>\n    - protect partition\n"
674 # define TMP_PROT_OFF   "protect off <part-id>\n    - make partition writable\n"
675 #else
676 # define TMP_ERASE      /* empty */
677 # define TMP_PROT_ON    /* empty */
678 # define TMP_PROT_OFF   /* empty */
679 #endif
680
681 U_BOOT_CMD(
682         flinfo,    2,    1,    do_flinfo,
683         "print FLASH memory information",
684         "\n    - print information for all FLASH memory banks\n"
685         "flinfo N\n    - print information for FLASH memory bank # N"
686 );
687
688 U_BOOT_CMD(
689         erase,   3,   0,  do_flerase,
690         "erase FLASH memory",
691         "start end\n"
692         "    - erase FLASH from addr 'start' to addr 'end'\n"
693         "erase start +len\n"
694         "    - erase FLASH from addr 'start' to the end of sect "
695         "w/addr 'start'+'len'-1\n"
696         "erase N:SF[-SL]\n    - erase sectors SF-SL in FLASH bank # N\n"
697         "erase bank N\n    - erase FLASH bank # N\n"
698         TMP_ERASE
699         "erase all\n    - erase all FLASH banks"
700 );
701
702 U_BOOT_CMD(
703         protect,  4,  0,   do_protect,
704         "enable or disable FLASH write protection",
705         "on  start end\n"
706         "    - protect FLASH from addr 'start' to addr 'end'\n"
707         "protect on start +len\n"
708         "    - protect FLASH from addr 'start' to end of sect "
709         "w/addr 'start'+'len'-1\n"
710         "protect on  N:SF[-SL]\n"
711         "    - protect sectors SF-SL in FLASH bank # N\n"
712         "protect on  bank N\n    - protect FLASH bank # N\n"
713         TMP_PROT_ON
714         "protect on  all\n    - protect all FLASH banks\n"
715         "protect off start end\n"
716         "    - make FLASH from addr 'start' to addr 'end' writable\n"
717         "protect off start +len\n"
718         "    - make FLASH from addr 'start' to end of sect "
719         "w/addr 'start'+'len'-1 wrtable\n"
720         "protect off N:SF[-SL]\n"
721         "    - make sectors SF-SL writable in FLASH bank # N\n"
722         "protect off bank N\n    - make FLASH bank # N writable\n"
723         TMP_PROT_OFF
724         "protect off all\n    - make all FLASH banks writable"
725 );
726
727 #undef  TMP_ERASE
728 #undef  TMP_PROT_ON
729 #undef  TMP_PROT_OFF