| /* |
| * (C) Copyright 2000 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * Copyright (c) 2013 Qualcomm Atheros, Inc. |
| * |
| * 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; |
| } |
| #ifndef COMPRESSED_UBOOT |
| 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; |
| } |
| #endif /* #ifndef COMPRESSED_UBOOT */ |
| |
| #if ENABLE_EXT_ADDR_SUPPORT |
| int do_flread_ext (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| flash_info_t *info; |
| ulong buf, offset, len; |
| int bank = 1; |
| |
| if (argc < 4) { |
| printf ("Usage:\n%s\n%s\n", cmdtp->usage, cmdtp->help); |
| return 1; |
| } |
| buf = simple_strtoul(argv[1], NULL, 16); |
| offset = simple_strtoul(argv[2], NULL, 16); |
| len = simple_strtoul(argv[3], NULL, 16); |
| if (argc > 4) { |
| bank = simple_strtoul(argv[4], NULL, 16); |
| if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { |
| printf ("Only FLASH Banks # 1 ... # %d supported\n", |
| CFG_MAX_FLASH_BANKS); |
| return 1; |
| } |
| } |
| info = &flash_info[bank - 1]; |
| |
| if ((offset + len) > info->size){ |
| printf ("Bad parameters, 'offset' + 'len' should < 0x%x\n", info->size); |
| return 1; |
| } |
| return(read_buff_ext(info, (uchar *)buf, offset, len)); |
| } |
| |
| int do_flwrite_ext (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| flash_info_t *info; |
| ulong source, offset, len; |
| int bank = 1; |
| |
| if (argc < 4) { |
| printf ("Usage:\n%s\n%s\n", cmdtp->usage, cmdtp->help); |
| return 1; |
| } |
| source = simple_strtoul(argv[1], NULL, 16); |
| offset = simple_strtoul(argv[2], NULL, 16); |
| len = simple_strtoul(argv[3], NULL, 16); |
| if (argc > 4) { |
| bank = simple_strtoul(argv[4], NULL, 16); |
| if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { |
| printf ("Only FLASH Banks # 1 ... # %d supported\n", |
| CFG_MAX_FLASH_BANKS); |
| return 1; |
| } |
| } |
| |
| info = &flash_info[bank - 1]; |
| if ((offset + len) > info->size){ |
| printf ("Bad parameters, 'offset' + 'len' should < 0x%x\n", info->size); |
| return 1; |
| } |
| |
| return(write_buff_ext(info, (uchar *)source, offset, len)); |
| } |
| |
| int do_flerase_ext (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| flash_info_t *info; |
| ulong offset, len; |
| int sect_first, sect_last, sect_size; |
| int bank = 1; |
| |
| if (argc < 3) { |
| printf ("Usage:\n%s\n%s\n", cmdtp->usage, cmdtp->help); |
| return 1; |
| } |
| offset = simple_strtoul(argv[1], NULL, 16); |
| len = simple_strtoul(argv[2], NULL, 16); |
| |
| if (argc > 4) { |
| bank = simple_strtoul(argv[4], NULL, 16); |
| if ((bank < 1) || (bank > CFG_MAX_FLASH_BANKS)) { |
| printf ("Only FLASH Banks # 1 ... # %d supported\n", |
| CFG_MAX_FLASH_BANKS); |
| return 1; |
| } |
| } |
| |
| info = &flash_info[bank - 1]; |
| if ((offset + len) > info->size){ |
| printf ("Bad parameters, 'offset' + 'len' should < 0x%x\n", info->size); |
| return 1; |
| } |
| sect_size = info->size / info->sector_count; |
| sect_first = offset / sect_size; |
| sect_last = (offset + len - 1) / sect_size; |
| printf("flash size:0x%x offset:0x%x len:0x%x sect_size:0x%x first:0x%x last:0x%x\n", |
| info->size, offset, len, sect_size, sect_first, sect_last); |
| |
| return(flash_erase(info, sect_first, sect_last)); |
| } |
| #endif /* #if ENABLE_EXT_ADDR_SUPPORT */ |
| |
| 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) { |
| #ifdef FLASH_DEBUG |
| printf ("Erase Flash Bank # %ld ", bank); |
| #endif |
| info = &flash_info[bank-1]; |
| rcode = flash_erase (info, 0, info->sector_count-1); |
| } |
| return rcode; |
| } |
| |
| if ((n = abbrev_spec(argv[1], &info, §_first, §_last)) != 0) { |
| if (n < 0) { |
| puts ("Bad sector specification\n"); |
| return 1; |
| } |
| #ifdef FLASH_DEBUG |
| printf ("Erase Flash Sectors %d-%d in Bank # %d ", |
| sect_first, sect_last, (info-flash_info)+1); |
| #endif |
| 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; |
| #ifdef FLASH_DEBUG |
| printf ("Erase Flash Parition %s, " |
| "bank %d, 0x%08lx - 0x%08lx ", |
| argv[1], bank, addr_first, |
| addr_last); |
| #endif |
| 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; |
| } |
| #ifdef FLASH_DEBUG |
| printf ("Erase Flash Bank # %ld ", bank); |
| #endif |
| 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; |
| #ifdef FLASH_DEBUG |
| 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); |
| #else |
| printf( "Erasing flash... "); |
| #endif |
| 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; |
| } |
| |
| #ifndef COMPRESSED_UBOOT |
| 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, §_first, §_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) |
| puts (" done\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; |
| } |
| #endif /* #ifndef COMPRESSED_UBOOT */ |
| |
| /**************************************************/ |
| #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 |
| |
| #ifndef COMPRESSED_UBOOT |
| 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( |
| 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" |
| ); |
| |
| #endif /* #ifndef COMPRESSED_UBOOT */ |
| |
| 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" |
| ); |
| |
| #if ENABLE_EXT_ADDR_SUPPORT |
| U_BOOT_CMD( |
| read_ext, 5, 1, do_flread_ext, |
| "read_ext - read SPI NOR FLASH memory(0-32M space)\n", |
| "read_ext dst offset(offset of the flash) len [N]\n" |
| " - read 'len' bytes from FLASH bank #N addr 'start' to memory addr 'dst'\n" |
| " - 'N' is optional, default the first bank\n" |
| ); |
| |
| U_BOOT_CMD( |
| erase_ext, 4, 1, do_flerase_ext, |
| "erase_ext - erase SPI NOR FLASH memory(0-32M space)\n", |
| "erase_ext start(offset of the flash) len [N]\n" |
| " - erase FLASH bank #N from addr 'start' to the end of sect addr 'start'+'len'-1\n" |
| " - 'N' is optional, default the first bank\n" |
| ); |
| |
| U_BOOT_CMD( |
| write_ext, 5, 1, do_flwrite_ext, |
| "write_ext - write SPI NOR FLASH memory(0-32M space)\n", |
| "write_ext src dst(offset of the flash) len [N]\n" |
| " - copy 'len' bytes from memory addr 'src' to FLASH bank #N addr 'start'\n" |
| " - 'N' is optional, default the first bank\n" |
| ); |
| #endif /* #if ENABLE_EXT_ADDR_SUPPORT */ |
| |
| #undef TMP_ERASE |
| #undef TMP_PROT_ON |
| #undef TMP_PROT_OFF |
| |
| #endif /* CFG_CMD_FLASH */ |