cmd_flash.c.svn-base

u-boot loader common files, like cpu, clock, environment...etc...

	int rcode = 0;

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

	if (planned && (rcode == 0)) {
		for (bank=0,info=&flash_info[0];
		     (bank < CFG_MAX_FLASH_BANKS) && (rcode == 0);
		     ++bank, ++info) {
			if (s_first[bank]>=0) {
				erased += s_last[bank] - s_first[bank] + 1;
				debug ("Erase Flash from 0x%08lx to 0x%08lx "
					"in Bank # %ld ",
					info->start[s_first[bank]],
					(s_last[bank] == info->sector_count) ?
						info->start[0] + info->size - 1:
						info->start[s_last[bank]+1] - 1,
					bank+1);
				switch(info->flash_id & FLASH_VENDMASK){
					case FLASH_MAN_INTEL:
						printf ("INTEL ");	break;
					case FLASH_MAN_AMD:
						printf("AMD ");		break;
				}
				switch (info->flash_id & FLASH_TYPEMASK) {
					case FLASH_AM400T:
						printf("AM29LV400BT ");	break;
					case FLASH_AM400B:
						printf("AM29LV400BB ");	break;
					case FLASH_AM800T:
						printf("AM29LV800BT ");	break;
					case FLASH_AM800B:
						printf("AM29LV800BB ");	break;
					case FLASH_28F320J3A:
						printf("28F320J3A ");	break;
					case FLASH_28F640J3A:
						printf("28F640J3A ");	break;
					case FLASH_28F128J3A:
						printf("28F128J3A ");	break;
				}
				printf("erasing...");
				rcode = flash_erase (info, s_first[bank], s_last[bank]);
			}
		}
		printf ("Erased %d sectors\n", erased);
	} else if (rcode == 0) {
		puts ("Error: start and/or end address"
			" not on sector boundary\n");
		rcode = 1;
	}
	return rcode;
}

int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	flash_info_t *info;
	ulong bank, addr_first, addr_last;
	int i, p, n, sect_first, sect_last;
	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=0; bank<CFG_MAX_FLASH_BANKS; ++bank) {
			info = &flash_info[bank];
			if (info->flash_id == FLASH_UNKNOWN) {
				continue;
			}
			printf ("%sProtect Flash Bank # %ld\n",
				p ? "" : "Un-", bank);

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

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

		return rcode;
	}

	if ((n = abbrev_spec(argv[2], &info, &sect_first, &sect_last)) != 0) {
		if (n < 0) {
			puts ("Bad sector specification\n");
			return 1;
		}
		printf("%sProtect Flash Sectors %d-%d in Bank # %d\n",
			p ? "" : "Un-", sect_first, sect_last,
			(info-flash_info));
		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 (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 < 0) || (bank >= CFG_MAX_FLASH_BANKS)) {
			printf ("Only FLASH Banks # 0 ... # %d supported\n",
				CFG_MAX_FLASH_BANKS-1);
			return 1;
		}
		printf ("%sProtect Flash Bank # %ld\n",
			p ? "" : "Un-", bank);
		info = &flash_info[bank];

		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;
	}

	addr_first = simple_strtoul(argv[2], NULL, 16);
	addr_last  = simple_strtoul(argv[3], NULL, 16);

	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;
	int s_first[CFG_MAX_FLASH_BANKS], s_last[CFG_MAX_FLASH_BANKS];
	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 */
				}
				switch(info->flash_id & FLASH_VENDMASK){
                    case FLASH_MAN_INTEL:
                        printf ("INTEL ");  break;
                    case FLASH_MAN_AMD:
                        printf("AMD ");     break;
                }
                switch (info->flash_id & FLASH_TYPEMASK) {
                    case FLASH_AM400T:
                        printf("AM29LV400BT "); break;
                    case FLASH_AM400B:
                        printf("AM29LV400BB "); break;
                    case FLASH_AM800T:
                        printf("AM29LV800BT "); break;
                    case FLASH_AM800B:
                        printf("AM29LV800BB "); break;
                    case FLASH_28F320J3A:
                        printf("28F320J3A ");   break;
                    case FLASH_28F640J3A:
                        printf("28F640J3A ");   break;
                    case FLASH_28F128J3A:
                        printf("28F128J3A ");   break;
                }
			}
#if defined(CFG_FLASH_PROTECTION)
			if (!rcode) putc ('\n');
#endif	/* CFG_FLASH_PROTECTION */
		}

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


/**************************************************/

U_BOOT_CMD(
	flinfo,    2,    1,    do_flinfo,
	"flinfo  - print NOR 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(
	flread,   4,   1,  do_flread,
	"flread   - read NOR FLASH memory\n",
	"src  dst  size\n    - read from NOR(src) and copy to memory(dst)\n"
);

U_BOOT_CMD(
	flwrite,  4,   1,  do_flwrite,
	"flwrite   - write NOR FLASH memory\n",
	"src  dst  size\n    - read from mem(src) and write to NOR(dst)\n"
);

U_BOOT_CMD(
	flerase,   3,   1,  do_flerase,
	"flerase   - erase NOR FLASH memory\n",
	"N:SF[-SL]\n    - erase sectors SF-SL in FLASH bank # N\n"
	"flerase bank N\n    - erase FLASH bank # N\n"
	"flerase all\n    - erase all FLASH banks\n"
);

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

#endif	/* CFG_CMD_FLASH */