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/*
* common/cmd_watchdog.c
*
* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <common.h>
#include <command.h>
#include <asm/arch/watchdog.h>
static int do_watchdog(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const char *cmd;
char *endp;
int timeout;
if (argc != 2)
return CMD_RET_USAGE;
cmd = argv[1];
if (strcmp(cmd, "off") == 0) {
/* disable watchdog */
watchdog_disable();
return CMD_RET_SUCCESS;
}
timeout = simple_strtoul(cmd, &endp, 0);
if (endp == cmd)
return CMD_RET_USAGE;
if (timeout < 0)
return CMD_RET_USAGE;
/* enable the watchdog and set timeout */
timeout *= 1000;
watchdog_init(timeout);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
watchdog, 2, 0, do_watchdog,
"enable or disable watchdog",
"<timeout> - enable watchdog with `timeout' seconds timeout\n"
"watchdog off - disable watchdog\n"
);
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