126 lines
2.6 KiB
C
126 lines
2.6 KiB
C
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* FLASH support
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*/
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#include <common.h>
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#include <command.h>
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#include <cfi_flash.h>
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#include <errno.h>
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#include <getopt.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <linux/stat.h>
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int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int opt, fd;
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char *filename = NULL;
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struct stat s;
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unsigned long start = 0, size = ~0;
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getopt_reset();
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while((opt = getopt(argc, argv, "f:")) > 0) {
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switch(opt) {
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case 'f':
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filename = optarg;
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break;
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}
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}
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if (stat(filename, &s)) {
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printf("stat %s:", filename, errno_str());
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return 1;
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}
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size = s.st_size;
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if (!filename) {
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printf("missing filename\n");
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return 1;
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}
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fd = open(filename, O_WRONLY);
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if (fd < 0) {
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printf("open %s:", filename, errno_str());
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return 1;
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}
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if (optind < argc)
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parse_area_spec(argv[optind], &start, &size);
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if(erase(fd, size, start)) {
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perror("erase");
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return 1;
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}
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close(fd);
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return 0;
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}
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U_BOOT_CMD_START(erase)
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.maxargs = CONFIG_MAXARGS,
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.cmd = do_flerase,
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.usage = "erase FLASH memory",
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U_BOOT_CMD_HELP("write me\n")
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U_BOOT_CMD_END
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int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int p;
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int rcode = 0;
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struct memarea_info mem_info;
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if (argc < 3) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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if (strcmp(argv[1], "off") == 0) {
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p = 0;
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} else if (strcmp(argv[1], "on") == 0) {
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p = 1;
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} else {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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if (spec_str_to_info(argv[2], &mem_info)) {
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printf ("-EPARSE\n");
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return 1;
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}
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// rcode = flash_sect_protect (p, addr_first, addr_last);
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return rcode;
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}
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U_BOOT_CMD_START(protect)
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.maxargs = 4,
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.cmd = do_protect,
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.usage = "enable or disable FLASH write protection",
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U_BOOT_CMD_HELP("write me\n")
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U_BOOT_CMD_END
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