Jetpack/u-boot/arch/arm/cpu/arm926ejs/mx27/reset.c
dchvs 31faf4d851 cti_kernel: Add CTI sources
Elroy L4T r32.4.4 – JetPack 4.4.1
2021-03-15 20:15:11 -06:00

42 lines
928 B
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>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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 */
writew(0x0000, &regs->wcr);
/* Write Service Sequence */
writew(0x5555, &regs->wsr);
writew(0xAAAA, &regs->wsr);
/* Enable watchdog */
writew(WCR_WDE, &regs->wcr);
while (1);
/*NOTREACHED*/
}