u-boot/arch/arm/cpu/arm926ejs/mx25/reset.c
Simon Glass 9a3b4ceb37 common: Move reset_cpu() to the CPU header
Move this function out of common.h and into a relevant header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-01-17 14:02:31 -05:00

40 lines
937 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (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>
*/
#include <common.h>
#include <cpu_func.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(0, &regs->wcr);
/* Write Service Sequence */
writew(WSR_UNLOCK1, &regs->wsr);
writew(WSR_UNLOCK2, &regs->wsr);
/* Enable watchdog */
writew(WCR_WDE, &regs->wcr);
while (1) ;
}