diff options
Diffstat (limited to 'arch/arm/mach-at91/arm926ejs/reset.c')
-rw-r--r-- | arch/arm/mach-at91/arm926ejs/reset.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/arm926ejs/reset.c b/arch/arm/mach-at91/arm926ejs/reset.c new file mode 100644 index 0000000..e67f47b --- /dev/null +++ b/arch/arm/mach-at91/arm926ejs/reset.c @@ -0,0 +1,29 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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) + ; +} |