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Diffstat (limited to 'arch/arm/include/asm/localtimer.h')
-rw-r--r-- | arch/arm/include/asm/localtimer.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h new file mode 100644 index 000000000000..50c7e7cfd670 --- /dev/null +++ b/arch/arm/include/asm/localtimer.h @@ -0,0 +1,63 @@ +/* + * arch/arm/include/asm/localtimer.h + * + * Copyright (C) 2004-2005 ARM Ltd. + * + * 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. + */ +#ifndef __ASM_ARM_LOCALTIMER_H +#define __ASM_ARM_LOCALTIMER_H + +struct clock_event_device; + +/* + * Setup a per-cpu timer, whether it be a local timer or dummy broadcast + */ +void percpu_timer_setup(void); + +/* + * Called from assembly, this is the local timer IRQ handler + */ +asmlinkage void do_local_timer(struct pt_regs *); + + +#ifdef CONFIG_LOCAL_TIMERS + +#ifdef CONFIG_HAVE_ARM_TWD + +#include "smp_twd.h" + +#define local_timer_ack() twd_timer_ack() +#define local_timer_stop() twd_timer_stop() + +#else + +/* + * Platform provides this to acknowledge a local timer IRQ. + * Returns true if the local timer IRQ is to be processed. + */ +int local_timer_ack(void); + +/* + * Stop a local timer interrupt. + */ +void local_timer_stop(void); + +#endif + +/* + * Setup a local timer interrupt for a CPU. + */ +void local_timer_setup(struct clock_event_device *); + +#else + +static inline void local_timer_stop(void) +{ +} + +#endif + +#endif |