mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 08:59:33 +00:00
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Marius Groeger <mgroeger@sysgo.de>
|
|
*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Alex Zuepke <azu@sysgo.de>
|
|
*
|
|
* (C) Copyright 2002
|
|
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
|
|
*
|
|
* (C) Copyright 2009
|
|
* Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
|
|
/*
|
|
* Reset the cpu by setting up the watchdog timer and let it time out
|
|
*/
|
|
void reset_cpu (ulong ignored)
|
|
{
|
|
struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE;
|
|
/* Disable watchdog and set Time-Out field to 0 */
|
|
writel(0x00000000, ®s->wcr);
|
|
|
|
/* Write Service Sequence */
|
|
writel(0x00005555, ®s->wsr);
|
|
writel(0x0000AAAA, ®s->wsr);
|
|
|
|
/* Enable watchdog */
|
|
writel(WCR_WDE, ®s->wcr);
|
|
|
|
while (1);
|
|
/*NOTREACHED*/
|
|
}
|