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-rw-r--r--arch/arm/cpu/arm926ejs/at91/reset.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/reset.c b/arch/arm/cpu/arm926ejs/at91/reset.c
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+++ b/arch/arm/cpu/arm926ejs/at91/reset.c
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+/*
+ * (C) Copyright 2007-2008
+ * 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
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_rstc.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)
+ ;
+}
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