/* | |
* Machine specific IO port address definition for generic. | |
* Written by Osamu Tomita <tomita@cinet.co.jp> | |
*/ | |
#ifndef __ASM_I8253_H | |
#define __ASM_I8253_H | |
#include <linux/spinlock.h> | |
/* i8253A PIT registers */ | |
#define PIT_MODE 0x43 | |
#define PIT_CH0 0x40 | |
#define PIT_CH2 0x42 | |
#define PIT_TICK_RATE 1193182UL | |
extern spinlock_t i8253_lock; | |
extern void setup_pit_timer(void); | |
#endif /* __ASM_I8253_H */ |