blob: 032ca73f181bec27c0f7b741862ada66ec104342 [file] [log] [blame]
/*
* 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
extern spinlock_t i8253_lock;
extern void setup_pit_timer(void);
#endif /* __ASM_I8253_H */