diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/hardware/arm_timer.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/localtimer.h | 37 | ||||
| -rw-r--r-- | arch/arm/include/asm/smp_twd.h | 25 |
3 files changed, 33 insertions, 34 deletions
diff --git a/arch/arm/include/asm/hardware/arm_timer.h b/arch/arm/include/asm/hardware/arm_timer.h index c0f4e7bf22d..d6030ff599d 100644 --- a/arch/arm/include/asm/hardware/arm_timer.h +++ b/arch/arm/include/asm/hardware/arm_timer.h @@ -9,7 +9,12 @@ * * Integrator AP has 16-bit timers, Integrator CP, Versatile and Realview * can have 16-bit or 32-bit selectable via a bit in the control register. + * + * Every SP804 contains two identical timers. */ +#define TIMER_1_BASE 0x00 +#define TIMER_2_BASE 0x20 + #define TIMER_LOAD 0x00 /* ACVR rw */ #define TIMER_VALUE 0x04 /* ACVR ro */ #define TIMER_CTRL 0x08 /* ACVR rw */ diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h index c6a18424888..f77ffc1eb0c 100644 --- a/arch/arm/include/asm/localtimer.h +++ b/arch/arm/include/asm/localtimer.h @@ -11,47 +11,24 @@ #define __ASM_ARM_LOCALTIMER_H #include <linux/errno.h> -#include <linux/interrupt.h> struct clock_event_device; -/* - * Setup a per-cpu timer, whether it be a local timer or dummy broadcast - */ -void percpu_timer_setup(void); +struct local_timer_ops { + int (*setup)(struct clock_event_device *); + void (*stop)(struct clock_event_device *); +}; #ifdef CONFIG_LOCAL_TIMERS - -#ifdef CONFIG_HAVE_ARM_TWD - -#include "smp_twd.h" - -#define local_timer_stop(c) twd_timer_stop((c)) - -#else - -/* - * Stop the local timer - */ -void local_timer_stop(struct clock_event_device *); - -#endif - /* - * Setup a local timer interrupt for a CPU. + * Register a local timer driver */ -int local_timer_setup(struct clock_event_device *); - +int local_timer_register(struct local_timer_ops *); #else - -static inline int local_timer_setup(struct clock_event_device *evt) +static inline int local_timer_register(struct local_timer_ops *ops) { return -ENXIO; } - -static inline void local_timer_stop(struct clock_event_device *evt) -{ -} #endif #endif diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h index ef9ffba97ad..0f01f4677bd 100644 --- a/arch/arm/include/asm/smp_twd.h +++ b/arch/arm/include/asm/smp_twd.h @@ -18,11 +18,28 @@ #define TWD_TIMER_CONTROL_PERIODIC (1 << 1) #define TWD_TIMER_CONTROL_IT_ENABLE (1 << 2) -struct clock_event_device; +#include <linux/ioport.h> -extern void __iomem *twd_base; +struct twd_local_timer { + struct resource res[2]; +}; -void twd_timer_setup(struct clock_event_device *); -void twd_timer_stop(struct clock_event_device *); +#define DEFINE_TWD_LOCAL_TIMER(name,base,irq) \ +struct twd_local_timer name __initdata = { \ + .res = { \ + DEFINE_RES_MEM(base, 0x10), \ + DEFINE_RES_IRQ(irq), \ + }, \ +}; + +int twd_local_timer_register(struct twd_local_timer *); + +#ifdef CONFIG_HAVE_ARM_TWD +void twd_local_timer_of_register(void); +#else +static inline void twd_local_timer_of_register(void) +{ +} +#endif #endif |