u-boot/arch/arm/cpu/arm926ejs/at91/reset.c
Reinhard Meyer 9f3fe90f09 AT91: fix related at91 system/driver files
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
2011-05-18 07:56:51 +02:00

45 lines
1.4 KiB
C

/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian.pop@leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.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/arch/hardware.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/io.h>
/* Reset the cpu by telling the reset controller to do so */
void reset_cpu(ulong ignored)
{
at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC;
writel(AT91_RSTC_KEY
| AT91_RSTC_CR_PROCRST /* Processor Reset */
| AT91_RSTC_CR_PERRST /* Peripheral Reset */
#ifdef CONFIG_AT91RESET_EXTRST
| AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */
#endif
, &rstc->cr);
/* never reached */
while (1)
;
}