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/*
* Copyright (c) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* 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 version 2
* as published by the Free Software Foundation.
*
* 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
*/
#include <common.h>
#include <command.h>
#include <fs.h>
#include <linux/stat.h>
#include <errno.h>
#include <malloc.h>
#include <getopt.h>
#include <xfuncs.h>
#include <init.h>
#include <ioctl.h>
#include <nand.h>
#include <linux/mtd/mtd-abi.h>
#include <fcntl.h>
#include <libgen.h>
#define NAND_ADD (1 << 0)
#define NAND_DEL (1 << 1)
#define NAND_MARKBAD (1 << 2)
static int do_nand(int argc, char *argv[])
{
int opt;
int command = 0, badblock = 0;
while((opt = getopt(argc, argv, "adb:")) > 0) {
if (command) {
printf("only one command may be given\n");
return 1;
}
switch (opt) {
case 'a':
command = NAND_ADD;
break;
case 'd':
command = NAND_DEL;
break;
case 'b':
command = NAND_MARKBAD;
badblock = simple_strtoul(optarg, NULL, 0);
}
}
if (command & NAND_ADD) {
while (optind < argc) {
if (dev_add_bb_dev(basename(argv[optind]), NULL))
return 1;
optind++;
}
}
if (command & NAND_DEL) {
while (optind < argc) {
dev_remove_bb_dev(basename(argv[optind]));
optind++;
}
}
if (command & NAND_MARKBAD) {
if (optind < argc) {
int ret = 0, fd;
loff_t __badblock = badblock;
printf("marking block at 0x%08x on %s as bad\n", badblock, argv[optind]);
fd = open(argv[optind], O_RDWR);
if (fd < 0) {
perror("open");
return 1;
}
ret = ioctl(fd, MEMSETBADBLOCK, &__badblock);
if (ret)
perror("ioctl");
close(fd);
return ret;
}
}
return 0;
}
static const __maybe_unused char cmd_nand_help[] =
"Usage: nand [OPTION]...\n"
"nand related commands\n"
" -a <dev> register a bad block aware device ontop of a normal nand device\n"
" -d <dev> deregister a bad block aware device\n"
" -b <ofs> <dev> mark block at offset ofs as bad\n";
BAREBOX_CMD_START(nand)
.cmd = do_nand,
.usage = "NAND specific handling",
BAREBOX_CMD_HELP(cmd_nand_help)
BAREBOX_CMD_END
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