3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 #ifdef CONFIG_HAS_DATAFLASH
31 #include <dataflash.h>
34 #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_CMD_MTDPARTS)
35 #include <jffs2/jffs2.h>
37 /* parition handling routines */
38 int mtdparts_init(void);
39 int mtd_id_parse(const char *id
, const char **ret_id
, u8
*dev_type
, u8
*dev_num
);
40 int find_dev_and_part(const char *id
, struct mtd_device
**dev
,
41 u8
*part_num
, struct part_info
**part
);
44 #ifndef CONFIG_SYS_NO_FLASH
45 extern flash_info_t flash_info
[]; /* info for FLASH chips */
48 * The user interface starts numbering for Flash banks with 1
49 * for historical reasons.
53 * this routine looks for an abbreviated flash range specification.
54 * the syntax is B:SF[-SL], where B is the bank number, SF is the first
55 * sector to erase, and SL is the last sector to erase (defaults to SF).
56 * bank numbers start at 1 to be consistent with other specs, sector numbers
59 * returns: 1 - correct spec; *pinfo, *psf and *psl are
61 * 0 - doesn't look like an abbreviated spec
62 * -1 - looks like an abbreviated spec, but got
63 * a parsing error, a number out of range,
64 * or an invalid flash bank.
67 abbrev_spec (char *str
, flash_info_t
** pinfo
, int *psf
, int *psl
)
70 int bank
, first
, last
;
73 if ((p
= strchr (str
, ':')) == NULL
)
77 bank
= simple_strtoul (str
, &ep
, 10);
78 if (ep
== str
|| *ep
!= '\0' ||
79 bank
< 1 || bank
> CONFIG_SYS_MAX_FLASH_BANKS
||
80 (fp
= &flash_info
[bank
- 1])->flash_id
== FLASH_UNKNOWN
)
84 if ((p
= strchr (str
, '-')) != NULL
)
87 first
= simple_strtoul (str
, &ep
, 10);
88 if (ep
== str
|| *ep
!= '\0' || first
>= fp
->sector_count
)
92 last
= simple_strtoul (p
, &ep
, 10);
93 if (ep
== p
|| *ep
!= '\0' ||
94 last
< first
|| last
>= fp
->sector_count
)
108 * Take *addr in Flash and adjust it to fall on the end of its sector
110 int flash_sect_roundb (ulong
*addr
)
113 ulong bank
, sector_end_addr
;
117 /* find the end addr of the sector where the *addr is */
119 for (bank
= 0; bank
< CONFIG_SYS_MAX_FLASH_BANKS
&& !found
; ++bank
) {
120 info
= &flash_info
[bank
];
121 for (i
= 0; i
< info
->sector_count
&& !found
; ++i
) {
122 /* get the end address of the sector */
123 if (i
== info
->sector_count
- 1) {
124 sector_end_addr
= info
->start
[0] +
127 sector_end_addr
= info
->start
[i
+1] - 1;
130 if (*addr
<= sector_end_addr
&&
131 *addr
>= info
->start
[i
]) {
133 /* adjust *addr if necessary */
134 if (*addr
< sector_end_addr
)
135 *addr
= sector_end_addr
;
140 /* error, addres not in flash */
141 printf("Error: end address (0x%08lx) not in flash!\n", *addr
);
149 * This function computes the start and end addresses for both
150 * erase and protect commands. The range of the addresses on which
151 * either of the commands is to operate can be given in two forms:
152 * 1. <cmd> start end - operate on <'start', 'end')
153 * 2. <cmd> start +length - operate on <'start', start + length)
154 * If the second form is used and the end address doesn't fall on the
155 * sector boundary, than it will be adjusted to the next sector boundary.
156 * If it isn't in the flash, the function will fail (return -1).
158 * arg1, arg2: address specification (i.e. both command arguments)
160 * addr_first, addr_last: computed address range
163 * -1: failure (bad format, bad address).
166 addr_spec(char *arg1
, char *arg2
, ulong
*addr_first
, ulong
*addr_last
)
169 char len_used
; /* indicates if the "start +length" form used */
171 *addr_first
= simple_strtoul(arg1
, &ep
, 16);
172 if (ep
== arg1
|| *ep
!= '\0')
176 if (arg2
&& *arg2
== '+'){
181 *addr_last
= simple_strtoul(arg2
, &ep
, 16);
182 if (ep
== arg2
|| *ep
!= '\0')
187 * *addr_last has the length, compute correct *addr_last
188 * XXX watch out for the integer overflow! Right now it is
189 * checked for in both the callers.
191 *addr_last
= *addr_first
+ *addr_last
- 1;
194 * It may happen that *addr_last doesn't fall on the sector
195 * boundary. We want to round such an address to the next
196 * sector boundary, so that the commands don't fail later on.
199 if (flash_sect_roundb(addr_last
) > 0)
201 } /* "start +length" from used */
207 flash_fill_sect_ranges (ulong addr_first
, ulong addr_last
,
208 int *s_first
, int *s_last
,
217 for (bank
=0; bank
< CONFIG_SYS_MAX_FLASH_BANKS
; ++bank
) {
218 s_first
[bank
] = -1; /* first sector to erase */
219 s_last
[bank
] = -1; /* last sector to erase */
222 for (bank
=0,info
= &flash_info
[0];
223 (bank
< CONFIG_SYS_MAX_FLASH_BANKS
) && (addr_first
<= addr_last
);
229 if (info
->flash_id
== FLASH_UNKNOWN
) {
233 b_end
= info
->start
[0] + info
->size
- 1; /* bank end addr */
234 s_end
= info
->sector_count
- 1; /* last sector */
237 for (sect
=0; sect
< info
->sector_count
; ++sect
) {
238 ulong end
; /* last address in current sect */
240 end
= (sect
== s_end
) ? b_end
: info
->start
[sect
+ 1] - 1;
242 if (addr_first
> end
)
244 if (addr_last
< info
->start
[sect
])
247 if (addr_first
== info
->start
[sect
]) {
248 s_first
[bank
] = sect
;
250 if (addr_last
== end
) {
254 if (s_first
[bank
] >= 0) {
255 if (s_last
[bank
] < 0) {
256 if (addr_last
> b_end
) {
257 s_last
[bank
] = s_end
;
259 puts ("Error: end address"
260 " not on sector boundary\n");
265 if (s_last
[bank
] < s_first
[bank
]) {
266 puts ("Error: end sector"
267 " precedes start sector\n");
272 addr_first
= (sect
== s_end
) ? b_end
+ 1: info
->start
[sect
+ 1];
273 (*s_count
) += s_last
[bank
] - s_first
[bank
] + 1;
274 } else if (addr_first
>= info
->start
[0] && addr_first
< b_end
) {
275 puts ("Error: start address not on sector boundary\n");
278 } else if (s_last
[bank
] >= 0) {
279 puts ("Error: cannot span across banks when they are"
280 " mapped in reverse order\n");
288 #endif /* CONFIG_SYS_NO_FLASH */
290 int do_flinfo ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
292 #ifndef CONFIG_SYS_NO_FLASH
296 #ifdef CONFIG_HAS_DATAFLASH
297 dataflash_print_info();
300 #ifndef CONFIG_SYS_NO_FLASH
301 if (argc
== 1) { /* print info for all FLASH banks */
302 for (bank
=0; bank
<CONFIG_SYS_MAX_FLASH_BANKS
; ++bank
) {
303 printf ("\nBank # %ld: ", bank
+1);
305 flash_print_info (&flash_info
[bank
]);
310 bank
= simple_strtoul(argv
[1], NULL
, 16);
311 if ((bank
< 1) || (bank
> CONFIG_SYS_MAX_FLASH_BANKS
)) {
312 printf ("Only FLASH Banks # 1 ... # %d supported\n",
313 CONFIG_SYS_MAX_FLASH_BANKS
);
316 printf ("\nBank # %ld: ", bank
);
317 flash_print_info (&flash_info
[bank
-1]);
318 #endif /* CONFIG_SYS_NO_FLASH */
322 int do_flerase (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
324 #ifndef CONFIG_SYS_NO_FLASH
326 ulong bank
, addr_first
, addr_last
;
327 int n
, sect_first
, sect_last
;
328 #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_CMD_MTDPARTS)
329 struct mtd_device
*dev
;
330 struct part_info
*part
;
331 u8 dev_type
, dev_num
, pnum
;
340 if (strcmp(argv
[1], "all") == 0) {
341 for (bank
=1; bank
<=CONFIG_SYS_MAX_FLASH_BANKS
; ++bank
) {
342 printf ("Erase Flash Bank # %ld ", bank
);
343 info
= &flash_info
[bank
-1];
344 rcode
= flash_erase (info
, 0, info
->sector_count
-1);
349 if ((n
= abbrev_spec(argv
[1], &info
, §_first
, §_last
)) != 0) {
351 puts ("Bad sector specification\n");
354 printf ("Erase Flash Sectors %d-%d in Bank # %zu ",
355 sect_first
, sect_last
, (info
-flash_info
)+1);
356 rcode
= flash_erase(info
, sect_first
, sect_last
);
360 #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_CMD_MTDPARTS)
361 /* erase <part-id> - erase partition */
362 if ((argc
== 2) && (mtd_id_parse(argv
[1], NULL
, &dev_type
, &dev_num
) == 0)) {
364 if (find_dev_and_part(argv
[1], &dev
, &pnum
, &part
) == 0) {
365 if (dev
->id
->type
== MTD_DEV_TYPE_NOR
) {
367 info
= &flash_info
[bank
];
368 addr_first
= part
->offset
+ info
->start
[0];
369 addr_last
= addr_first
+ part
->size
- 1;
371 printf ("Erase Flash Parition %s, "
372 "bank %ld, 0x%08lx - 0x%08lx ",
373 argv
[1], bank
, addr_first
,
376 rcode
= flash_sect_erase(addr_first
, addr_last
);
380 printf("cannot erase, not a NOR device\n");
391 if (strcmp(argv
[1], "bank") == 0) {
392 bank
= simple_strtoul(argv
[2], NULL
, 16);
393 if ((bank
< 1) || (bank
> CONFIG_SYS_MAX_FLASH_BANKS
)) {
394 printf ("Only FLASH Banks # 1 ... # %d supported\n",
395 CONFIG_SYS_MAX_FLASH_BANKS
);
398 printf ("Erase Flash Bank # %ld ", bank
);
399 info
= &flash_info
[bank
-1];
400 rcode
= flash_erase (info
, 0, info
->sector_count
-1);
404 if (addr_spec(argv
[1], argv
[2], &addr_first
, &addr_last
) < 0){
405 printf ("Bad address format\n");
409 if (addr_first
>= addr_last
) {
414 rcode
= flash_sect_erase(addr_first
, addr_last
);
418 #endif /* CONFIG_SYS_NO_FLASH */
421 #ifndef CONFIG_SYS_NO_FLASH
422 int flash_sect_erase (ulong addr_first
, ulong addr_last
)
426 #ifdef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
427 int s_first
[CONFIG_SYS_MAX_FLASH_BANKS_DETECT
], s_last
[CONFIG_SYS_MAX_FLASH_BANKS_DETECT
];
429 int s_first
[CONFIG_SYS_MAX_FLASH_BANKS
], s_last
[CONFIG_SYS_MAX_FLASH_BANKS
];
435 rcode
= flash_fill_sect_ranges (addr_first
, addr_last
,
436 s_first
, s_last
, &planned
);
438 if (planned
&& (rcode
== 0)) {
439 for (bank
=0,info
= &flash_info
[0];
440 (bank
< CONFIG_SYS_MAX_FLASH_BANKS
) && (rcode
== 0);
442 if (s_first
[bank
]>=0) {
443 erased
+= s_last
[bank
] - s_first
[bank
] + 1;
444 debug ("Erase Flash from 0x%08lx to 0x%08lx "
446 info
->start
[s_first
[bank
]],
447 (s_last
[bank
] == info
->sector_count
) ?
448 info
->start
[0] + info
->size
- 1:
449 info
->start
[s_last
[bank
]+1] - 1,
451 rcode
= flash_erase (info
, s_first
[bank
], s_last
[bank
]);
454 printf ("Erased %d sectors\n", erased
);
455 } else if (rcode
== 0) {
456 puts ("Error: start and/or end address"
457 " not on sector boundary\n");
462 #endif /* CONFIG_SYS_NO_FLASH */
464 int do_protect (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
466 #ifndef CONFIG_SYS_NO_FLASH
469 int i
, n
, sect_first
, sect_last
;
470 #endif /* CONFIG_SYS_NO_FLASH */
471 ulong addr_first
, addr_last
;
473 #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_CMD_MTDPARTS)
474 struct mtd_device
*dev
;
475 struct part_info
*part
;
476 u8 dev_type
, dev_num
, pnum
;
479 #ifdef CONFIG_HAS_DATAFLASH
488 if (strcmp(argv
[1], "off") == 0) {
490 } else if (strcmp(argv
[1], "on") == 0) {
497 #ifdef CONFIG_HAS_DATAFLASH
498 if ((strcmp(argv
[2], "all") != 0) && (strcmp(argv
[2], "bank") != 0)) {
499 addr_first
= simple_strtoul(argv
[2], NULL
, 16);
500 addr_last
= simple_strtoul(argv
[3], NULL
, 16);
502 if (addr_dataflash(addr_first
) && addr_dataflash(addr_last
)) {
503 status
= dataflash_real_protect(p
,addr_first
,addr_last
);
505 puts ("Bad DataFlash sector specification\n");
508 printf("%sProtect %d DataFlash Sectors\n",
509 p
? "" : "Un-", status
);
515 #ifndef CONFIG_SYS_NO_FLASH
516 if (strcmp(argv
[2], "all") == 0) {
517 for (bank
=1; bank
<=CONFIG_SYS_MAX_FLASH_BANKS
; ++bank
) {
518 info
= &flash_info
[bank
-1];
519 if (info
->flash_id
== FLASH_UNKNOWN
) {
522 printf ("%sProtect Flash Bank # %ld\n",
523 p
? "" : "Un-", bank
);
525 for (i
=0; i
<info
->sector_count
; ++i
) {
526 #if defined(CONFIG_SYS_FLASH_PROTECTION)
527 if (flash_real_protect(info
, i
, p
))
531 info
->protect
[i
] = p
;
532 #endif /* CONFIG_SYS_FLASH_PROTECTION */
534 #if defined(CONFIG_SYS_FLASH_PROTECTION)
535 if (!rcode
) puts (" done\n");
536 #endif /* CONFIG_SYS_FLASH_PROTECTION */
541 if ((n
= abbrev_spec(argv
[2], &info
, §_first
, §_last
)) != 0) {
543 puts ("Bad sector specification\n");
546 printf("%sProtect Flash Sectors %d-%d in Bank # %zu\n",
547 p
? "" : "Un-", sect_first
, sect_last
,
548 (info
-flash_info
)+1);
549 for (i
= sect_first
; i
<= sect_last
; i
++) {
550 #if defined(CONFIG_SYS_FLASH_PROTECTION)
551 if (flash_real_protect(info
, i
, p
))
555 info
->protect
[i
] = p
;
556 #endif /* CONFIG_SYS_FLASH_PROTECTION */
559 #if defined(CONFIG_SYS_FLASH_PROTECTION)
560 if (!rcode
) puts (" done\n");
561 #endif /* CONFIG_SYS_FLASH_PROTECTION */
566 #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_CMD_MTDPARTS)
567 /* protect on/off <part-id> */
568 if ((argc
== 3) && (mtd_id_parse(argv
[2], NULL
, &dev_type
, &dev_num
) == 0)) {
570 if (find_dev_and_part(argv
[2], &dev
, &pnum
, &part
) == 0) {
571 if (dev
->id
->type
== MTD_DEV_TYPE_NOR
) {
573 info
= &flash_info
[bank
];
574 addr_first
= part
->offset
+ info
->start
[0];
575 addr_last
= addr_first
+ part
->size
- 1;
577 printf ("%sProtect Flash Parition %s, "
578 "bank %ld, 0x%08lx - 0x%08lx\n",
579 p
? "" : "Un", argv
[1],
580 bank
, addr_first
, addr_last
);
582 rcode
= flash_sect_protect (p
, addr_first
, addr_last
);
586 printf("cannot %sprotect, not a NOR device\n",
598 if (strcmp(argv
[2], "bank") == 0) {
599 bank
= simple_strtoul(argv
[3], NULL
, 16);
600 if ((bank
< 1) || (bank
> CONFIG_SYS_MAX_FLASH_BANKS
)) {
601 printf ("Only FLASH Banks # 1 ... # %d supported\n",
602 CONFIG_SYS_MAX_FLASH_BANKS
);
605 printf ("%sProtect Flash Bank # %ld\n",
606 p
? "" : "Un-", bank
);
607 info
= &flash_info
[bank
-1];
609 if (info
->flash_id
== FLASH_UNKNOWN
) {
610 puts ("missing or unknown FLASH type\n");
613 for (i
=0; i
<info
->sector_count
; ++i
) {
614 #if defined(CONFIG_SYS_FLASH_PROTECTION)
615 if (flash_real_protect(info
, i
, p
))
619 info
->protect
[i
] = p
;
620 #endif /* CONFIG_SYS_FLASH_PROTECTION */
623 #if defined(CONFIG_SYS_FLASH_PROTECTION)
624 if (!rcode
) puts (" done\n");
625 #endif /* CONFIG_SYS_FLASH_PROTECTION */
630 if (addr_spec(argv
[2], argv
[3], &addr_first
, &addr_last
) < 0){
631 printf("Bad address format\n");
635 if (addr_first
>= addr_last
) {
639 rcode
= flash_sect_protect (p
, addr_first
, addr_last
);
640 #endif /* CONFIG_SYS_NO_FLASH */
644 #ifndef CONFIG_SYS_NO_FLASH
645 int flash_sect_protect (int p
, ulong addr_first
, ulong addr_last
)
649 #ifdef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
650 int s_first
[CONFIG_SYS_MAX_FLASH_BANKS_DETECT
], s_last
[CONFIG_SYS_MAX_FLASH_BANKS_DETECT
];
652 int s_first
[CONFIG_SYS_MAX_FLASH_BANKS
], s_last
[CONFIG_SYS_MAX_FLASH_BANKS
];
658 rcode
= flash_fill_sect_ranges( addr_first
, addr_last
, s_first
, s_last
, &planned
);
662 if (planned
&& (rcode
== 0)) {
663 for (bank
=0,info
= &flash_info
[0]; bank
< CONFIG_SYS_MAX_FLASH_BANKS
; ++bank
, ++info
) {
664 if (info
->flash_id
== FLASH_UNKNOWN
) {
668 if (s_first
[bank
]>=0 && s_first
[bank
]<=s_last
[bank
]) {
669 debug ("%sProtecting sectors %d..%d in bank %ld\n",
671 s_first
[bank
], s_last
[bank
], bank
+1);
672 protected += s_last
[bank
] - s_first
[bank
] + 1;
673 for (i
=s_first
[bank
]; i
<=s_last
[bank
]; ++i
) {
674 #if defined(CONFIG_SYS_FLASH_PROTECTION)
675 if (flash_real_protect(info
, i
, p
))
679 info
->protect
[i
] = p
;
680 #endif /* CONFIG_SYS_FLASH_PROTECTION */
684 #if defined(CONFIG_SYS_FLASH_PROTECTION)
686 #endif /* CONFIG_SYS_FLASH_PROTECTION */
688 printf ("%sProtected %d sectors\n",
689 p
? "" : "Un-", protected);
690 } else if (rcode
== 0) {
691 puts ("Error: start and/or end address"
692 " not on sector boundary\n");
697 #endif /* CONFIG_SYS_NO_FLASH */
700 /**************************************************/
701 #if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_CMD_MTDPARTS)
702 # define TMP_ERASE "erase <part-id>\n - erase partition\n"
703 # define TMP_PROT_ON "protect on <part-id>\n - protect partition\n"
704 # define TMP_PROT_OFF "protect off <part-id>\n - make partition writable\n"
706 # define TMP_ERASE /* empty */
707 # define TMP_PROT_ON /* empty */
708 # define TMP_PROT_OFF /* empty */
712 flinfo
, 2, 1, do_flinfo
,
713 "print FLASH memory information",
714 "\n - print information for all FLASH memory banks\n"
715 "flinfo N\n - print information for FLASH memory bank # N"
719 erase
, 3, 0, do_flerase
,
720 "erase FLASH memory",
722 " - erase FLASH from addr 'start' to addr 'end'\n"
724 " - erase FLASH from addr 'start' to the end of sect "
725 "w/addr 'start'+'len'-1\n"
726 "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n"
727 "erase bank N\n - erase FLASH bank # N\n"
729 "erase all\n - erase all FLASH banks"
733 protect
, 4, 0, do_protect
,
734 "enable or disable FLASH write protection",
736 " - protect FLASH from addr 'start' to addr 'end'\n"
737 "protect on start +len\n"
738 " - protect FLASH from addr 'start' to end of sect "
739 "w/addr 'start'+'len'-1\n"
740 "protect on N:SF[-SL]\n"
741 " - protect sectors SF-SL in FLASH bank # N\n"
742 "protect on bank N\n - protect FLASH bank # N\n"
744 "protect on all\n - protect all FLASH banks\n"
745 "protect off start end\n"
746 " - make FLASH from addr 'start' to addr 'end' writable\n"
747 "protect off start +len\n"
748 " - make FLASH from addr 'start' to end of sect "
749 "w/addr 'start'+'len'-1 wrtable\n"
750 "protect off N:SF[-SL]\n"
751 " - make sectors SF-SL writable in FLASH bank # N\n"
752 "protect off bank N\n - make FLASH bank # N writable\n"
754 "protect off all\n - make all FLASH banks writable"