x86: i8259A: remove redundant irq_descinitialization
[wrt350n-kernel.git] / include / asm-mips / i8253.h
blob5dabc870b32295779a6d2a93bbed0d90ac6a1f90
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
8 #include <linux/spinlock.h>
10 /* i8253A PIT registers */
11 #define PIT_MODE 0x43
12 #define PIT_CH0 0x40
13 #define PIT_CH2 0x42
15 #define PIT_TICK_RATE 1193182UL
17 extern spinlock_t i8253_lock;
19 extern void setup_pit_timer(void);
21 #endif /* __ASM_I8253_H */