diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/kernel/v7m.c | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 86d10dd..5140df5f 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -24,7 +24,7 @@ obj-$(CONFIG_ATAGS_PROC) += atags_proc.o obj-$(CONFIG_DEPRECATED_PARAM_STRUCT) += atags_compat.o ifeq ($(CONFIG_CPU_V7M),y) -obj-y += entry-v7m.o +obj-y += entry-v7m.o v7m.o else obj-y += entry-armv.o endif diff --git a/arch/arm/kernel/v7m.c b/arch/arm/kernel/v7m.c new file mode 100644 index 0000000..4d2cba9 --- /dev/null +++ b/arch/arm/kernel/v7m.c @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2013 Uwe Kleine-Koenig for Pengutronix + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ +#include <linux/io.h> +#include <linux/reboot.h> +#include <asm/barrier.h> +#include <asm/v7m.h> + +void armv7m_restart(enum reboot_mode mode, const char *cmd) +{ + dsb(); + __raw_writel(V7M_SCB_AIRCR_VECTKEY | V7M_SCB_AIRCR_SYSRESETREQ, + BASEADDR_V7M_SCB + V7M_SCB_AIRCR); + dsb(); +} |