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Diffstat (limited to 'arch/arm/mach-pxa/common.c')
-rw-r--r-- | arch/arm/mach-pxa/common.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/common.c b/arch/arm/mach-pxa/common.c new file mode 100644 index 0000000000..82e81b75d9 --- /dev/null +++ b/arch/arm/mach-pxa/common.c @@ -0,0 +1,37 @@ +/* + * (C) Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de> + * + * 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. + */ + +#include <common.h> +#include <asm/io.h> + +#define OSMR3 0x40A0000C +#define OSCR 0x40A00010 +#define OSSR 0x40A00014 +#define OWER 0x40A00018 + +#define OWER_WME (1 << 0) /* Watch-dog Match Enable */ +#define OSSR_M3 (1 << 3) /* Match status channel 3 */ + +void reset_cpu(ulong addr) +{ + /* Initialize the watchdog and let it fire */ + writel(OWER_WME, OWER); + writel(OSSR_M3, OSSR); + writel(readl(OSCR) + 368640, OSMR3); /* ... in 100 ms */ + + while (1); +} |