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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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>
#include <cfi_flash.h>
#include <errno.h>
#include <getopt.h>
#include <fs.h>
#include <fcntl.h>
#include <linux/stat.h>
int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int opt, fd;
char *filename = NULL;
struct stat s;
unsigned long start = 0, size = ~0;
getopt_reset();
while((opt = getopt(argc, argv, "f:")) > 0) {
switch(opt) {
case 'f':
filename = optarg;
break;
}
}
if (stat(filename, &s)) {
printf("stat %s:", filename, errno_str());
return 1;
}
size = s.st_size;
if (!filename) {
printf("missing filename\n");
return 1;
}
fd = open(filename, O_WRONLY);
if (fd < 0) {
printf("open %s:", filename, errno_str());
return 1;
}
if (optind < argc)
parse_area_spec(argv[optind], &start, &size);
if(erase(fd, size, start)) {
perror("erase");
return 1;
}
close(fd);
return 0;
}
U_BOOT_CMD_START(erase)
.maxargs = CONFIG_MAXARGS,
.cmd = do_flerase,
.usage = "erase FLASH memory",
U_BOOT_CMD_HELP("write me\n")
U_BOOT_CMD_END
int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int p;
int rcode = 0;
struct memarea_info mem_info;
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;
}
if (spec_str_to_info(argv[2], &mem_info)) {
printf ("-EPARSE\n");
return 1;
}
// rcode = flash_sect_protect (p, addr_first, addr_last);
return rcode;
}
U_BOOT_CMD_START(protect)
.maxargs = 4,
.cmd = do_protect,
.usage = "enable or disable FLASH write protection",
U_BOOT_CMD_HELP("write me\n")
U_BOOT_CMD_END
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