| Russell King | 8c414ff | 2011-05-08 18:50:20 +0100 | [diff] [blame] | 1 | #ifndef __ASMARM_I8253_H |
| 2 | #define __ASMARM_I8253_H | ||||
| 3 | |||||
| 4 | /* i8253A PIT registers */ | ||||
| 5 | #define PIT_MODE 0x43 | ||||
| 6 | #define PIT_CH0 0x40 | ||||
| 7 | |||||
| 8 | #define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ) | ||||
| 9 | |||||
| 10 | extern raw_spinlock_t i8253_lock; | ||||
| 11 | |||||
| 12 | #define outb_pit outb_p | ||||
| 13 | #define inb_pit inb_p | ||||
| 14 | |||||
| 15 | #endif | ||||