#ifndef __ASM_I8253_H__ | |
#define __ASM_I8253_H__ | |
/* i8253A PIT registers */ | |
#define PIT_MODE 0x43 | |
#define PIT_CH0 0x40 | |
#define PIT_CH2 0x42 | |
extern spinlock_t i8253_lock; | |
extern struct clock_event_device *global_clock_event; | |
extern void setup_pit_timer(void); | |
#endif /* __ASM_I8253_H__ */ |