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1/*
2 * Machine specific IO port address definition for generic.
3 * Written by Osamu Tomita <tomita@cinet.co.jp>
4 */
5#ifndef __ASM_I8253_H
6#define __ASM_I8253_H
7
8#include <linux/spinlock.h>
9
10/* i8253A PIT registers */
11#define PIT_MODE 0x43
12#define PIT_CH0 0x40
13#define PIT_CH2 0x42
14
15#define PIT_TICK_RATE 1193182UL
16
17extern spinlock_t i8253_lock;
18
19extern void setup_pit_timer(void);
20
21#endif /* __ASM_I8253_H */