mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
22 lines
416 B
C
22 lines
416 B
C
/*
|
|
* 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 */
|