1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
22e192b24SSimon Glass /*
32e192b24SSimon Glass * (C) Copyright 2000
42e192b24SSimon Glass * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
52e192b24SSimon Glass */
62e192b24SSimon Glass
72e192b24SSimon Glass /*
82e192b24SSimon Glass * FLASH support
92e192b24SSimon Glass */
102e192b24SSimon Glass #include <common.h>
112e192b24SSimon Glass #include <command.h>
122e192b24SSimon Glass
132e192b24SSimon Glass #if defined(CONFIG_CMD_MTDPARTS)
142e192b24SSimon Glass #include <jffs2/jffs2.h>
152e192b24SSimon Glass
162e192b24SSimon Glass /* partition handling routines */
172e192b24SSimon Glass int mtdparts_init(void);
182e192b24SSimon Glass int mtd_id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
192e192b24SSimon Glass int find_dev_and_part(const char *id, struct mtd_device **dev,
202e192b24SSimon Glass u8 *part_num, struct part_info **part);
212e192b24SSimon Glass #endif
222e192b24SSimon Glass
23e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
242e192b24SSimon Glass #include <flash.h>
252e192b24SSimon Glass #include <mtd/cfi_flash.h>
262e192b24SSimon Glass extern flash_info_t flash_info[]; /* info for FLASH chips */
272e192b24SSimon Glass
282e192b24SSimon Glass /*
292e192b24SSimon Glass * The user interface starts numbering for Flash banks with 1
302e192b24SSimon Glass * for historical reasons.
312e192b24SSimon Glass */
322e192b24SSimon Glass
332e192b24SSimon Glass /*
342e192b24SSimon Glass * this routine looks for an abbreviated flash range specification.
352e192b24SSimon Glass * the syntax is B:SF[-SL], where B is the bank number, SF is the first
362e192b24SSimon Glass * sector to erase, and SL is the last sector to erase (defaults to SF).
372e192b24SSimon Glass * bank numbers start at 1 to be consistent with other specs, sector numbers
382e192b24SSimon Glass * start at zero.
392e192b24SSimon Glass *
402e192b24SSimon Glass * returns: 1 - correct spec; *pinfo, *psf and *psl are
412e192b24SSimon Glass * set appropriately
422e192b24SSimon Glass * 0 - doesn't look like an abbreviated spec
432e192b24SSimon Glass * -1 - looks like an abbreviated spec, but got
442e192b24SSimon Glass * a parsing error, a number out of range,
452e192b24SSimon Glass * or an invalid flash bank.
462e192b24SSimon Glass */
472e192b24SSimon Glass static int
abbrev_spec(char * str,flash_info_t ** pinfo,int * psf,int * psl)482e192b24SSimon Glass abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl)
492e192b24SSimon Glass {
502e192b24SSimon Glass flash_info_t *fp;
512e192b24SSimon Glass int bank, first, last;
522e192b24SSimon Glass char *p, *ep;
532e192b24SSimon Glass
542e192b24SSimon Glass if ((p = strchr (str, ':')) == NULL)
552e192b24SSimon Glass return 0;
562e192b24SSimon Glass *p++ = '\0';
572e192b24SSimon Glass
582e192b24SSimon Glass bank = simple_strtoul (str, &ep, 10);
592e192b24SSimon Glass if (ep == str || *ep != '\0' ||
602e192b24SSimon Glass bank < 1 || bank > CONFIG_SYS_MAX_FLASH_BANKS ||
612e192b24SSimon Glass (fp = &flash_info[bank - 1])->flash_id == FLASH_UNKNOWN)
622e192b24SSimon Glass return -1;
632e192b24SSimon Glass
642e192b24SSimon Glass str = p;
652e192b24SSimon Glass if ((p = strchr (str, '-')) != NULL)
662e192b24SSimon Glass *p++ = '\0';
672e192b24SSimon Glass
682e192b24SSimon Glass first = simple_strtoul (str, &ep, 10);
692e192b24SSimon Glass if (ep == str || *ep != '\0' || first >= fp->sector_count)
702e192b24SSimon Glass return -1;
712e192b24SSimon Glass
722e192b24SSimon Glass if (p != NULL) {
732e192b24SSimon Glass last = simple_strtoul (p, &ep, 10);
742e192b24SSimon Glass if (ep == p || *ep != '\0' ||
752e192b24SSimon Glass last < first || last >= fp->sector_count)
762e192b24SSimon Glass return -1;
772e192b24SSimon Glass } else {
782e192b24SSimon Glass last = first;
792e192b24SSimon Glass }
802e192b24SSimon Glass
812e192b24SSimon Glass *pinfo = fp;
822e192b24SSimon Glass *psf = first;
832e192b24SSimon Glass *psl = last;
842e192b24SSimon Glass
852e192b24SSimon Glass return 1;
862e192b24SSimon Glass }
872e192b24SSimon Glass
882e192b24SSimon Glass /*
892e192b24SSimon Glass * Take *addr in Flash and adjust it to fall on the end of its sector
902e192b24SSimon Glass */
flash_sect_roundb(ulong * addr)912e192b24SSimon Glass int flash_sect_roundb (ulong *addr)
922e192b24SSimon Glass {
932e192b24SSimon Glass flash_info_t *info;
942e192b24SSimon Glass ulong bank, sector_end_addr;
952e192b24SSimon Glass char found;
962e192b24SSimon Glass int i;
972e192b24SSimon Glass
982e192b24SSimon Glass /* find the end addr of the sector where the *addr is */
992e192b24SSimon Glass found = 0;
1002e192b24SSimon Glass for (bank = 0; bank < CONFIG_SYS_MAX_FLASH_BANKS && !found; ++bank) {
1012e192b24SSimon Glass info = &flash_info[bank];
1022e192b24SSimon Glass for (i = 0; i < info->sector_count && !found; ++i) {
1032e192b24SSimon Glass /* get the end address of the sector */
1042e192b24SSimon Glass if (i == info->sector_count - 1) {
1052e192b24SSimon Glass sector_end_addr = info->start[0] +
1062e192b24SSimon Glass info->size - 1;
1072e192b24SSimon Glass } else {
1082e192b24SSimon Glass sector_end_addr = info->start[i+1] - 1;
1092e192b24SSimon Glass }
1102e192b24SSimon Glass
1112e192b24SSimon Glass if (*addr <= sector_end_addr &&
1122e192b24SSimon Glass *addr >= info->start[i]) {
1132e192b24SSimon Glass found = 1;
1142e192b24SSimon Glass /* adjust *addr if necessary */
1152e192b24SSimon Glass if (*addr < sector_end_addr)
1162e192b24SSimon Glass *addr = sector_end_addr;
1172e192b24SSimon Glass } /* sector */
1182e192b24SSimon Glass } /* bank */
1192e192b24SSimon Glass }
1202e192b24SSimon Glass if (!found) {
1212e192b24SSimon Glass /* error, address not in flash */
1222e192b24SSimon Glass printf("Error: end address (0x%08lx) not in flash!\n", *addr);
1232e192b24SSimon Glass return 1;
1242e192b24SSimon Glass }
1252e192b24SSimon Glass
1262e192b24SSimon Glass return 0;
1272e192b24SSimon Glass }
1282e192b24SSimon Glass
1292e192b24SSimon Glass /*
1302e192b24SSimon Glass * This function computes the start and end addresses for both
1312e192b24SSimon Glass * erase and protect commands. The range of the addresses on which
1322e192b24SSimon Glass * either of the commands is to operate can be given in two forms:
1332e192b24SSimon Glass * 1. <cmd> start end - operate on <'start', 'end')
1342e192b24SSimon Glass * 2. <cmd> start +length - operate on <'start', start + length)
1352e192b24SSimon Glass * If the second form is used and the end address doesn't fall on the
1362e192b24SSimon Glass * sector boundary, than it will be adjusted to the next sector boundary.
1372e192b24SSimon Glass * If it isn't in the flash, the function will fail (return -1).
1382e192b24SSimon Glass * Input:
1392e192b24SSimon Glass * arg1, arg2: address specification (i.e. both command arguments)
1402e192b24SSimon Glass * Output:
1412e192b24SSimon Glass * addr_first, addr_last: computed address range
1422e192b24SSimon Glass * Return:
1432e192b24SSimon Glass * 1: success
1442e192b24SSimon Glass * -1: failure (bad format, bad address).
1452e192b24SSimon Glass */
1462e192b24SSimon Glass static int
addr_spec(char * arg1,char * arg2,ulong * addr_first,ulong * addr_last)1472e192b24SSimon Glass addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last)
1482e192b24SSimon Glass {
1492e192b24SSimon Glass char *ep;
1502e192b24SSimon Glass char len_used; /* indicates if the "start +length" form used */
1512e192b24SSimon Glass
1522e192b24SSimon Glass *addr_first = simple_strtoul(arg1, &ep, 16);
1532e192b24SSimon Glass if (ep == arg1 || *ep != '\0')
1542e192b24SSimon Glass return -1;
1552e192b24SSimon Glass
1562e192b24SSimon Glass len_used = 0;
1572e192b24SSimon Glass if (arg2 && *arg2 == '+'){
1582e192b24SSimon Glass len_used = 1;
1592e192b24SSimon Glass ++arg2;
1602e192b24SSimon Glass }
1612e192b24SSimon Glass
1622e192b24SSimon Glass *addr_last = simple_strtoul(arg2, &ep, 16);
1632e192b24SSimon Glass if (ep == arg2 || *ep != '\0')
1642e192b24SSimon Glass return -1;
1652e192b24SSimon Glass
1662e192b24SSimon Glass if (len_used){
1672e192b24SSimon Glass /*
1682e192b24SSimon Glass * *addr_last has the length, compute correct *addr_last
1692e192b24SSimon Glass * XXX watch out for the integer overflow! Right now it is
1702e192b24SSimon Glass * checked for in both the callers.
1712e192b24SSimon Glass */
1722e192b24SSimon Glass *addr_last = *addr_first + *addr_last - 1;
1732e192b24SSimon Glass
1742e192b24SSimon Glass /*
1752e192b24SSimon Glass * It may happen that *addr_last doesn't fall on the sector
1762e192b24SSimon Glass * boundary. We want to round such an address to the next
1772e192b24SSimon Glass * sector boundary, so that the commands don't fail later on.
1782e192b24SSimon Glass */
1792e192b24SSimon Glass
1802e192b24SSimon Glass if (flash_sect_roundb(addr_last) > 0)
1812e192b24SSimon Glass return -1;
1822e192b24SSimon Glass } /* "start +length" from used */
1832e192b24SSimon Glass
1842e192b24SSimon Glass return 1;
1852e192b24SSimon Glass }
1862e192b24SSimon Glass
1872e192b24SSimon Glass static int
flash_fill_sect_ranges(ulong addr_first,ulong addr_last,int * s_first,int * s_last,int * s_count)1882e192b24SSimon Glass flash_fill_sect_ranges (ulong addr_first, ulong addr_last,
1892e192b24SSimon Glass int *s_first, int *s_last,
1902e192b24SSimon Glass int *s_count )
1912e192b24SSimon Glass {
1922e192b24SSimon Glass flash_info_t *info;
1932e192b24SSimon Glass ulong bank;
1942e192b24SSimon Glass int rcode = 0;
1952e192b24SSimon Glass
1962e192b24SSimon Glass *s_count = 0;
1972e192b24SSimon Glass
1982e192b24SSimon Glass for (bank=0; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
1992e192b24SSimon Glass s_first[bank] = -1; /* first sector to erase */
2002e192b24SSimon Glass s_last [bank] = -1; /* last sector to erase */
2012e192b24SSimon Glass }
2022e192b24SSimon Glass
2032e192b24SSimon Glass for (bank=0,info = &flash_info[0];
2042e192b24SSimon Glass (bank < CONFIG_SYS_MAX_FLASH_BANKS) && (addr_first <= addr_last);
2052e192b24SSimon Glass ++bank, ++info) {
2062e192b24SSimon Glass ulong b_end;
2072e192b24SSimon Glass int sect;
2082e192b24SSimon Glass short s_end;
2092e192b24SSimon Glass
2102e192b24SSimon Glass if (info->flash_id == FLASH_UNKNOWN) {
2112e192b24SSimon Glass continue;
2122e192b24SSimon Glass }
2132e192b24SSimon Glass
2142e192b24SSimon Glass b_end = info->start[0] + info->size - 1; /* bank end addr */
2152e192b24SSimon Glass s_end = info->sector_count - 1; /* last sector */
2162e192b24SSimon Glass
2172e192b24SSimon Glass
2182e192b24SSimon Glass for (sect=0; sect < info->sector_count; ++sect) {
2192e192b24SSimon Glass ulong end; /* last address in current sect */
2202e192b24SSimon Glass
2212e192b24SSimon Glass end = (sect == s_end) ? b_end : info->start[sect + 1] - 1;
2222e192b24SSimon Glass
2232e192b24SSimon Glass if (addr_first > end)
2242e192b24SSimon Glass continue;
2252e192b24SSimon Glass if (addr_last < info->start[sect])
2262e192b24SSimon Glass continue;
2272e192b24SSimon Glass
2282e192b24SSimon Glass if (addr_first == info->start[sect]) {
2292e192b24SSimon Glass s_first[bank] = sect;
2302e192b24SSimon Glass }
2312e192b24SSimon Glass if (addr_last == end) {
2322e192b24SSimon Glass s_last[bank] = sect;
2332e192b24SSimon Glass }
2342e192b24SSimon Glass }
2352e192b24SSimon Glass if (s_first[bank] >= 0) {
2362e192b24SSimon Glass if (s_last[bank] < 0) {
2372e192b24SSimon Glass if (addr_last > b_end) {
2382e192b24SSimon Glass s_last[bank] = s_end;
2392e192b24SSimon Glass } else {
2402e192b24SSimon Glass puts ("Error: end address"
2412e192b24SSimon Glass " not on sector boundary\n");
2422e192b24SSimon Glass rcode = 1;
2432e192b24SSimon Glass break;
2442e192b24SSimon Glass }
2452e192b24SSimon Glass }
2462e192b24SSimon Glass if (s_last[bank] < s_first[bank]) {
2472e192b24SSimon Glass puts ("Error: end sector"
2482e192b24SSimon Glass " precedes start sector\n");
2492e192b24SSimon Glass rcode = 1;
2502e192b24SSimon Glass break;
2512e192b24SSimon Glass }
2522e192b24SSimon Glass sect = s_last[bank];
2532e192b24SSimon Glass addr_first = (sect == s_end) ? b_end + 1: info->start[sect + 1];
2542e192b24SSimon Glass (*s_count) += s_last[bank] - s_first[bank] + 1;
2552e192b24SSimon Glass } else if (addr_first >= info->start[0] && addr_first < b_end) {
2562e192b24SSimon Glass puts ("Error: start address not on sector boundary\n");
2572e192b24SSimon Glass rcode = 1;
2582e192b24SSimon Glass break;
2592e192b24SSimon Glass } else if (s_last[bank] >= 0) {
2602e192b24SSimon Glass puts ("Error: cannot span across banks when they are"
2612e192b24SSimon Glass " mapped in reverse order\n");
2622e192b24SSimon Glass rcode = 1;
2632e192b24SSimon Glass break;
2642e192b24SSimon Glass }
2652e192b24SSimon Glass }
2662e192b24SSimon Glass
2672e192b24SSimon Glass return rcode;
2682e192b24SSimon Glass }
269e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
2702e192b24SSimon Glass
do_flinfo(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])2712e192b24SSimon Glass static int do_flinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
2722e192b24SSimon Glass {
273e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
2742e192b24SSimon Glass ulong bank;
2752e192b24SSimon Glass #endif
2762e192b24SSimon Glass
277e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
2782e192b24SSimon Glass if (argc == 1) { /* print info for all FLASH banks */
2792e192b24SSimon Glass for (bank=0; bank <CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
2802e192b24SSimon Glass printf ("\nBank # %ld: ", bank+1);
2812e192b24SSimon Glass
2822e192b24SSimon Glass flash_print_info (&flash_info[bank]);
2832e192b24SSimon Glass }
2842e192b24SSimon Glass return 0;
2852e192b24SSimon Glass }
2862e192b24SSimon Glass
2872e192b24SSimon Glass bank = simple_strtoul(argv[1], NULL, 16);
2882e192b24SSimon Glass if ((bank < 1) || (bank > CONFIG_SYS_MAX_FLASH_BANKS)) {
2892e192b24SSimon Glass printf ("Only FLASH Banks # 1 ... # %d supported\n",
2902e192b24SSimon Glass CONFIG_SYS_MAX_FLASH_BANKS);
2912e192b24SSimon Glass return 1;
2922e192b24SSimon Glass }
2932e192b24SSimon Glass printf ("\nBank # %ld: ", bank);
2942e192b24SSimon Glass flash_print_info (&flash_info[bank-1]);
295e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
2962e192b24SSimon Glass return 0;
2972e192b24SSimon Glass }
2982e192b24SSimon Glass
do_flerase(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])2992e192b24SSimon Glass static int do_flerase(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
3002e192b24SSimon Glass {
301e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
3022e192b24SSimon Glass flash_info_t *info = NULL;
3032e192b24SSimon Glass ulong bank, addr_first, addr_last;
3042e192b24SSimon Glass int n, sect_first = 0, sect_last = 0;
3052e192b24SSimon Glass #if defined(CONFIG_CMD_MTDPARTS)
3062e192b24SSimon Glass struct mtd_device *dev;
3072e192b24SSimon Glass struct part_info *part;
3082e192b24SSimon Glass u8 dev_type, dev_num, pnum;
3092e192b24SSimon Glass #endif
3102e192b24SSimon Glass int rcode = 0;
3112e192b24SSimon Glass
3122e192b24SSimon Glass if (argc < 2)
3132e192b24SSimon Glass return CMD_RET_USAGE;
3142e192b24SSimon Glass
3152e192b24SSimon Glass if (strcmp(argv[1], "all") == 0) {
3162e192b24SSimon Glass for (bank=1; bank<=CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
3172e192b24SSimon Glass printf ("Erase Flash Bank # %ld ", bank);
3182e192b24SSimon Glass info = &flash_info[bank-1];
3192e192b24SSimon Glass rcode = flash_erase (info, 0, info->sector_count-1);
3202e192b24SSimon Glass }
3212e192b24SSimon Glass return rcode;
3222e192b24SSimon Glass }
3232e192b24SSimon Glass
3242e192b24SSimon Glass if ((n = abbrev_spec(argv[1], &info, §_first, §_last)) != 0) {
3252e192b24SSimon Glass if (n < 0) {
3262e192b24SSimon Glass puts ("Bad sector specification\n");
3272e192b24SSimon Glass return 1;
3282e192b24SSimon Glass }
3292e192b24SSimon Glass printf ("Erase Flash Sectors %d-%d in Bank # %zu ",
3302e192b24SSimon Glass sect_first, sect_last, (info-flash_info)+1);
3312e192b24SSimon Glass rcode = flash_erase(info, sect_first, sect_last);
3322e192b24SSimon Glass return rcode;
3332e192b24SSimon Glass }
3342e192b24SSimon Glass
3352e192b24SSimon Glass #if defined(CONFIG_CMD_MTDPARTS)
3362e192b24SSimon Glass /* erase <part-id> - erase partition */
3372e192b24SSimon Glass if ((argc == 2) && (mtd_id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) {
3382e192b24SSimon Glass mtdparts_init();
3392e192b24SSimon Glass if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) {
3402e192b24SSimon Glass if (dev->id->type == MTD_DEV_TYPE_NOR) {
3412e192b24SSimon Glass bank = dev->id->num;
3422e192b24SSimon Glass info = &flash_info[bank];
3432e192b24SSimon Glass addr_first = part->offset + info->start[0];
3442e192b24SSimon Glass addr_last = addr_first + part->size - 1;
3452e192b24SSimon Glass
3462e192b24SSimon Glass printf ("Erase Flash Partition %s, "
3472e192b24SSimon Glass "bank %ld, 0x%08lx - 0x%08lx ",
3482e192b24SSimon Glass argv[1], bank, addr_first,
3492e192b24SSimon Glass addr_last);
3502e192b24SSimon Glass
3512e192b24SSimon Glass rcode = flash_sect_erase(addr_first, addr_last);
3522e192b24SSimon Glass return rcode;
3532e192b24SSimon Glass }
3542e192b24SSimon Glass
3552e192b24SSimon Glass printf("cannot erase, not a NOR device\n");
3562e192b24SSimon Glass return 1;
3572e192b24SSimon Glass }
3582e192b24SSimon Glass }
3592e192b24SSimon Glass #endif
3602e192b24SSimon Glass
3612e192b24SSimon Glass if (argc != 3)
3622e192b24SSimon Glass return CMD_RET_USAGE;
3632e192b24SSimon Glass
3642e192b24SSimon Glass if (strcmp(argv[1], "bank") == 0) {
3652e192b24SSimon Glass bank = simple_strtoul(argv[2], NULL, 16);
3662e192b24SSimon Glass if ((bank < 1) || (bank > CONFIG_SYS_MAX_FLASH_BANKS)) {
3672e192b24SSimon Glass printf ("Only FLASH Banks # 1 ... # %d supported\n",
3682e192b24SSimon Glass CONFIG_SYS_MAX_FLASH_BANKS);
3692e192b24SSimon Glass return 1;
3702e192b24SSimon Glass }
3712e192b24SSimon Glass printf ("Erase Flash Bank # %ld ", bank);
3722e192b24SSimon Glass info = &flash_info[bank-1];
3732e192b24SSimon Glass rcode = flash_erase (info, 0, info->sector_count-1);
3742e192b24SSimon Glass return rcode;
3752e192b24SSimon Glass }
3762e192b24SSimon Glass
3772e192b24SSimon Glass if (addr_spec(argv[1], argv[2], &addr_first, &addr_last) < 0){
3782e192b24SSimon Glass printf ("Bad address format\n");
3792e192b24SSimon Glass return 1;
3802e192b24SSimon Glass }
3812e192b24SSimon Glass
3822e192b24SSimon Glass if (addr_first >= addr_last)
3832e192b24SSimon Glass return CMD_RET_USAGE;
3842e192b24SSimon Glass
3852e192b24SSimon Glass rcode = flash_sect_erase(addr_first, addr_last);
3862e192b24SSimon Glass return rcode;
3872e192b24SSimon Glass #else
3882e192b24SSimon Glass return 0;
389e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
3902e192b24SSimon Glass }
3912e192b24SSimon Glass
392e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
flash_sect_erase(ulong addr_first,ulong addr_last)3932e192b24SSimon Glass int flash_sect_erase (ulong addr_first, ulong addr_last)
3942e192b24SSimon Glass {
3952e192b24SSimon Glass flash_info_t *info;
3962e192b24SSimon Glass ulong bank;
3972e192b24SSimon Glass int s_first[CONFIG_SYS_MAX_FLASH_BANKS], s_last[CONFIG_SYS_MAX_FLASH_BANKS];
3982e192b24SSimon Glass int erased = 0;
3992e192b24SSimon Glass int planned;
4002e192b24SSimon Glass int rcode = 0;
4012e192b24SSimon Glass
4022e192b24SSimon Glass rcode = flash_fill_sect_ranges (addr_first, addr_last,
4032e192b24SSimon Glass s_first, s_last, &planned );
4042e192b24SSimon Glass
4052e192b24SSimon Glass if (planned && (rcode == 0)) {
4062e192b24SSimon Glass for (bank=0,info = &flash_info[0];
4072e192b24SSimon Glass (bank < CONFIG_SYS_MAX_FLASH_BANKS) && (rcode == 0);
4082e192b24SSimon Glass ++bank, ++info) {
4092e192b24SSimon Glass if (s_first[bank]>=0) {
4102e192b24SSimon Glass erased += s_last[bank] - s_first[bank] + 1;
4112e192b24SSimon Glass debug ("Erase Flash from 0x%08lx to 0x%08lx "
4122e192b24SSimon Glass "in Bank # %ld ",
4132e192b24SSimon Glass info->start[s_first[bank]],
4142e192b24SSimon Glass (s_last[bank] == info->sector_count) ?
4152e192b24SSimon Glass info->start[0] + info->size - 1:
4162e192b24SSimon Glass info->start[s_last[bank]+1] - 1,
4172e192b24SSimon Glass bank+1);
4182e192b24SSimon Glass rcode = flash_erase (info, s_first[bank], s_last[bank]);
4192e192b24SSimon Glass }
4202e192b24SSimon Glass }
4212e192b24SSimon Glass if (rcode == 0)
4222e192b24SSimon Glass printf("Erased %d sectors\n", erased);
4232e192b24SSimon Glass } else if (rcode == 0) {
4242e192b24SSimon Glass puts ("Error: start and/or end address"
4252e192b24SSimon Glass " not on sector boundary\n");
4262e192b24SSimon Glass rcode = 1;
4272e192b24SSimon Glass }
4282e192b24SSimon Glass return rcode;
4292e192b24SSimon Glass }
430e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
4312e192b24SSimon Glass
do_protect(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])4322e192b24SSimon Glass static int do_protect(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
4332e192b24SSimon Glass {
4342e192b24SSimon Glass int rcode = 0;
435e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
4362e192b24SSimon Glass flash_info_t *info = NULL;
4372e192b24SSimon Glass ulong bank;
4382e192b24SSimon Glass int i, n, sect_first = 0, sect_last = 0;
4392e192b24SSimon Glass #if defined(CONFIG_CMD_MTDPARTS)
4402e192b24SSimon Glass struct mtd_device *dev;
4412e192b24SSimon Glass struct part_info *part;
4422e192b24SSimon Glass u8 dev_type, dev_num, pnum;
4432e192b24SSimon Glass #endif
444e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
445c68c03f5STuomas Tynkkynen #if defined(CONFIG_MTD_NOR_FLASH)
4462e192b24SSimon Glass int p;
4472e192b24SSimon Glass ulong addr_first, addr_last;
4482e192b24SSimon Glass #endif
4492e192b24SSimon Glass
4502e192b24SSimon Glass if (argc < 3)
4512e192b24SSimon Glass return CMD_RET_USAGE;
4522e192b24SSimon Glass
453c68c03f5STuomas Tynkkynen #if defined(CONFIG_MTD_NOR_FLASH)
4542e192b24SSimon Glass if (strcmp(argv[1], "off") == 0)
4552e192b24SSimon Glass p = 0;
4562e192b24SSimon Glass else if (strcmp(argv[1], "on") == 0)
4572e192b24SSimon Glass p = 1;
4582e192b24SSimon Glass else
4592e192b24SSimon Glass return CMD_RET_USAGE;
4602e192b24SSimon Glass #endif
4612e192b24SSimon Glass
462e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
4632e192b24SSimon Glass if (strcmp(argv[2], "all") == 0) {
4642e192b24SSimon Glass for (bank=1; bank<=CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
4652e192b24SSimon Glass info = &flash_info[bank-1];
4662e192b24SSimon Glass if (info->flash_id == FLASH_UNKNOWN) {
4672e192b24SSimon Glass continue;
4682e192b24SSimon Glass }
4692e192b24SSimon Glass printf ("%sProtect Flash Bank # %ld\n",
4702e192b24SSimon Glass p ? "" : "Un-", bank);
4712e192b24SSimon Glass
4722e192b24SSimon Glass for (i=0; i<info->sector_count; ++i) {
4732e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
4742e192b24SSimon Glass if (flash_real_protect(info, i, p))
4752e192b24SSimon Glass rcode = 1;
4762e192b24SSimon Glass putc ('.');
4772e192b24SSimon Glass #else
4782e192b24SSimon Glass info->protect[i] = p;
4792e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
4802e192b24SSimon Glass }
4812e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
4822e192b24SSimon Glass if (!rcode) puts (" done\n");
4832e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
4842e192b24SSimon Glass }
4852e192b24SSimon Glass return rcode;
4862e192b24SSimon Glass }
4872e192b24SSimon Glass
4882e192b24SSimon Glass if ((n = abbrev_spec(argv[2], &info, §_first, §_last)) != 0) {
4892e192b24SSimon Glass if (n < 0) {
4902e192b24SSimon Glass puts ("Bad sector specification\n");
4912e192b24SSimon Glass return 1;
4922e192b24SSimon Glass }
4932e192b24SSimon Glass printf("%sProtect Flash Sectors %d-%d in Bank # %zu\n",
4942e192b24SSimon Glass p ? "" : "Un-", sect_first, sect_last,
4952e192b24SSimon Glass (info-flash_info)+1);
4962e192b24SSimon Glass for (i = sect_first; i <= sect_last; i++) {
4972e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
4982e192b24SSimon Glass if (flash_real_protect(info, i, p))
4992e192b24SSimon Glass rcode = 1;
5002e192b24SSimon Glass putc ('.');
5012e192b24SSimon Glass #else
5022e192b24SSimon Glass info->protect[i] = p;
5032e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
5042e192b24SSimon Glass }
5052e192b24SSimon Glass
5062e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
5072e192b24SSimon Glass if (!rcode) puts (" done\n");
5082e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
5092e192b24SSimon Glass
5102e192b24SSimon Glass return rcode;
5112e192b24SSimon Glass }
5122e192b24SSimon Glass
5132e192b24SSimon Glass #if defined(CONFIG_CMD_MTDPARTS)
5142e192b24SSimon Glass /* protect on/off <part-id> */
5152e192b24SSimon Glass if ((argc == 3) && (mtd_id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) {
5162e192b24SSimon Glass mtdparts_init();
5172e192b24SSimon Glass if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) {
5182e192b24SSimon Glass if (dev->id->type == MTD_DEV_TYPE_NOR) {
5192e192b24SSimon Glass bank = dev->id->num;
5202e192b24SSimon Glass info = &flash_info[bank];
5212e192b24SSimon Glass addr_first = part->offset + info->start[0];
5222e192b24SSimon Glass addr_last = addr_first + part->size - 1;
5232e192b24SSimon Glass
5242e192b24SSimon Glass printf ("%sProtect Flash Partition %s, "
5252e192b24SSimon Glass "bank %ld, 0x%08lx - 0x%08lx\n",
5262e192b24SSimon Glass p ? "" : "Un", argv[1],
5272e192b24SSimon Glass bank, addr_first, addr_last);
5282e192b24SSimon Glass
5292e192b24SSimon Glass rcode = flash_sect_protect (p, addr_first, addr_last);
5302e192b24SSimon Glass return rcode;
5312e192b24SSimon Glass }
5322e192b24SSimon Glass
5332e192b24SSimon Glass printf("cannot %sprotect, not a NOR device\n",
5342e192b24SSimon Glass p ? "" : "un");
5352e192b24SSimon Glass return 1;
5362e192b24SSimon Glass }
5372e192b24SSimon Glass }
5382e192b24SSimon Glass #endif
5392e192b24SSimon Glass
5402e192b24SSimon Glass if (argc != 4)
5412e192b24SSimon Glass return CMD_RET_USAGE;
5422e192b24SSimon Glass
5432e192b24SSimon Glass if (strcmp(argv[2], "bank") == 0) {
5442e192b24SSimon Glass bank = simple_strtoul(argv[3], NULL, 16);
5452e192b24SSimon Glass if ((bank < 1) || (bank > CONFIG_SYS_MAX_FLASH_BANKS)) {
5462e192b24SSimon Glass printf ("Only FLASH Banks # 1 ... # %d supported\n",
5472e192b24SSimon Glass CONFIG_SYS_MAX_FLASH_BANKS);
5482e192b24SSimon Glass return 1;
5492e192b24SSimon Glass }
5502e192b24SSimon Glass printf ("%sProtect Flash Bank # %ld\n",
5512e192b24SSimon Glass p ? "" : "Un-", bank);
5522e192b24SSimon Glass info = &flash_info[bank-1];
5532e192b24SSimon Glass
5542e192b24SSimon Glass if (info->flash_id == FLASH_UNKNOWN) {
5552e192b24SSimon Glass puts ("missing or unknown FLASH type\n");
5562e192b24SSimon Glass return 1;
5572e192b24SSimon Glass }
5582e192b24SSimon Glass for (i=0; i<info->sector_count; ++i) {
5592e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
5602e192b24SSimon Glass if (flash_real_protect(info, i, p))
5612e192b24SSimon Glass rcode = 1;
5622e192b24SSimon Glass putc ('.');
5632e192b24SSimon Glass #else
5642e192b24SSimon Glass info->protect[i] = p;
5652e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
5662e192b24SSimon Glass }
5672e192b24SSimon Glass
5682e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
5692e192b24SSimon Glass if (!rcode) puts (" done\n");
5702e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
5712e192b24SSimon Glass
5722e192b24SSimon Glass return rcode;
5732e192b24SSimon Glass }
5742e192b24SSimon Glass
5752e192b24SSimon Glass if (addr_spec(argv[2], argv[3], &addr_first, &addr_last) < 0){
5762e192b24SSimon Glass printf("Bad address format\n");
5772e192b24SSimon Glass return 1;
5782e192b24SSimon Glass }
5792e192b24SSimon Glass
5802e192b24SSimon Glass if (addr_first >= addr_last)
5812e192b24SSimon Glass return CMD_RET_USAGE;
5822e192b24SSimon Glass
5832e192b24SSimon Glass rcode = flash_sect_protect (p, addr_first, addr_last);
584e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
5852e192b24SSimon Glass return rcode;
5862e192b24SSimon Glass }
5872e192b24SSimon Glass
588e856bdcfSMasahiro Yamada #ifdef CONFIG_MTD_NOR_FLASH
flash_sect_protect(int p,ulong addr_first,ulong addr_last)5892e192b24SSimon Glass int flash_sect_protect (int p, ulong addr_first, ulong addr_last)
5902e192b24SSimon Glass {
5912e192b24SSimon Glass flash_info_t *info;
5922e192b24SSimon Glass ulong bank;
5932e192b24SSimon Glass int s_first[CONFIG_SYS_MAX_FLASH_BANKS], s_last[CONFIG_SYS_MAX_FLASH_BANKS];
5942e192b24SSimon Glass int protected, i;
5952e192b24SSimon Glass int planned;
5962e192b24SSimon Glass int rcode;
5972e192b24SSimon Glass
5982e192b24SSimon Glass rcode = flash_fill_sect_ranges( addr_first, addr_last, s_first, s_last, &planned );
5992e192b24SSimon Glass
6002e192b24SSimon Glass protected = 0;
6012e192b24SSimon Glass
6022e192b24SSimon Glass if (planned && (rcode == 0)) {
6032e192b24SSimon Glass for (bank=0,info = &flash_info[0]; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank, ++info) {
6042e192b24SSimon Glass if (info->flash_id == FLASH_UNKNOWN) {
6052e192b24SSimon Glass continue;
6062e192b24SSimon Glass }
6072e192b24SSimon Glass
6082e192b24SSimon Glass if (s_first[bank]>=0 && s_first[bank]<=s_last[bank]) {
6092e192b24SSimon Glass debug ("%sProtecting sectors %d..%d in bank %ld\n",
6102e192b24SSimon Glass p ? "" : "Un-",
6112e192b24SSimon Glass s_first[bank], s_last[bank], bank+1);
6122e192b24SSimon Glass protected += s_last[bank] - s_first[bank] + 1;
6132e192b24SSimon Glass for (i=s_first[bank]; i<=s_last[bank]; ++i) {
6142e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
6152e192b24SSimon Glass if (flash_real_protect(info, i, p))
6162e192b24SSimon Glass rcode = 1;
6172e192b24SSimon Glass putc ('.');
6182e192b24SSimon Glass #else
6192e192b24SSimon Glass info->protect[i] = p;
6202e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
6212e192b24SSimon Glass }
6222e192b24SSimon Glass }
6232e192b24SSimon Glass }
6242e192b24SSimon Glass #if defined(CONFIG_SYS_FLASH_PROTECTION)
6252e192b24SSimon Glass puts (" done\n");
6262e192b24SSimon Glass #endif /* CONFIG_SYS_FLASH_PROTECTION */
6272e192b24SSimon Glass
6282e192b24SSimon Glass printf ("%sProtected %d sectors\n",
6292e192b24SSimon Glass p ? "" : "Un-", protected);
6302e192b24SSimon Glass } else if (rcode == 0) {
6312e192b24SSimon Glass puts ("Error: start and/or end address"
6322e192b24SSimon Glass " not on sector boundary\n");
6332e192b24SSimon Glass rcode = 1;
6342e192b24SSimon Glass }
6352e192b24SSimon Glass return rcode;
6362e192b24SSimon Glass }
637e856bdcfSMasahiro Yamada #endif /* CONFIG_MTD_NOR_FLASH */
6382e192b24SSimon Glass
6392e192b24SSimon Glass
6402e192b24SSimon Glass /**************************************************/
6412e192b24SSimon Glass #if defined(CONFIG_CMD_MTDPARTS)
6422e192b24SSimon Glass # define TMP_ERASE "erase <part-id>\n - erase partition\n"
6432e192b24SSimon Glass # define TMP_PROT_ON "protect on <part-id>\n - protect partition\n"
6442e192b24SSimon Glass # define TMP_PROT_OFF "protect off <part-id>\n - make partition writable\n"
6452e192b24SSimon Glass #else
6462e192b24SSimon Glass # define TMP_ERASE /* empty */
6472e192b24SSimon Glass # define TMP_PROT_ON /* empty */
6482e192b24SSimon Glass # define TMP_PROT_OFF /* empty */
6492e192b24SSimon Glass #endif
6502e192b24SSimon Glass
6512e192b24SSimon Glass U_BOOT_CMD(
6522e192b24SSimon Glass flinfo, 2, 1, do_flinfo,
6532e192b24SSimon Glass "print FLASH memory information",
6542e192b24SSimon Glass "\n - print information for all FLASH memory banks\n"
6552e192b24SSimon Glass "flinfo N\n - print information for FLASH memory bank # N"
6562e192b24SSimon Glass );
6572e192b24SSimon Glass
6582e192b24SSimon Glass U_BOOT_CMD(
6592e192b24SSimon Glass erase, 3, 0, do_flerase,
6602e192b24SSimon Glass "erase FLASH memory",
6612e192b24SSimon Glass "start end\n"
6622e192b24SSimon Glass " - erase FLASH from addr 'start' to addr 'end'\n"
6632e192b24SSimon Glass "erase start +len\n"
6642e192b24SSimon Glass " - erase FLASH from addr 'start' to the end of sect "
6652e192b24SSimon Glass "w/addr 'start'+'len'-1\n"
6662e192b24SSimon Glass "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n"
6672e192b24SSimon Glass "erase bank N\n - erase FLASH bank # N\n"
6682e192b24SSimon Glass TMP_ERASE
6692e192b24SSimon Glass "erase all\n - erase all FLASH banks"
6702e192b24SSimon Glass );
6712e192b24SSimon Glass
6722e192b24SSimon Glass U_BOOT_CMD(
6732e192b24SSimon Glass protect, 4, 0, do_protect,
6742e192b24SSimon Glass "enable or disable FLASH write protection",
6752e192b24SSimon Glass "on start end\n"
6762e192b24SSimon Glass " - protect FLASH from addr 'start' to addr 'end'\n"
6772e192b24SSimon Glass "protect on start +len\n"
6782e192b24SSimon Glass " - protect FLASH from addr 'start' to end of sect "
6792e192b24SSimon Glass "w/addr 'start'+'len'-1\n"
6802e192b24SSimon Glass "protect on N:SF[-SL]\n"
6812e192b24SSimon Glass " - protect sectors SF-SL in FLASH bank # N\n"
6822e192b24SSimon Glass "protect on bank N\n - protect FLASH bank # N\n"
6832e192b24SSimon Glass TMP_PROT_ON
6842e192b24SSimon Glass "protect on all\n - protect all FLASH banks\n"
6852e192b24SSimon Glass "protect off start end\n"
6862e192b24SSimon Glass " - make FLASH from addr 'start' to addr 'end' writable\n"
6872e192b24SSimon Glass "protect off start +len\n"
6882e192b24SSimon Glass " - make FLASH from addr 'start' to end of sect "
6892e192b24SSimon Glass "w/addr 'start'+'len'-1 wrtable\n"
6902e192b24SSimon Glass "protect off N:SF[-SL]\n"
6912e192b24SSimon Glass " - make sectors SF-SL writable in FLASH bank # N\n"
6922e192b24SSimon Glass "protect off bank N\n - make FLASH bank # N writable\n"
6932e192b24SSimon Glass TMP_PROT_OFF
6942e192b24SSimon Glass "protect off all\n - make all FLASH banks writable"
6952e192b24SSimon Glass );
6962e192b24SSimon Glass
6972e192b24SSimon Glass #undef TMP_ERASE
6982e192b24SSimon Glass #undef TMP_PROT_ON
6992e192b24SSimon Glass #undef TMP_PROT_OFF
700