/*
* (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Stelian Pop <stelian@popies.net>
* 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_rstc.h>
-#include <asm/arch/io.h>
-/*
- * Reset the cpu by setting up the watchdog timer and let him time out.
- */
+/* Reset the cpu by telling the reset controller to do so */
void reset_cpu(ulong ignored)
{
- at91_rstc_t *rstc = (at91_rstc_t *) AT91_RSTC_BASE;
-
- /* this is the way Linux does it */
-
- writel(AT91_RSTC_KEY | AT91_RSTC_CR_PROCRST | AT91_RSTC_CR_PERRST,
- &rstc->cr);
+ at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC;
- while (1);
- /* Never reached */
+ 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)
+ ;
}