| /* | |
| * 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 raw_spinlock_t i8253_lock; | |
| extern void setup_pit_timer(void); | |
| #endif /* __ASM_I8253_H */ |