diff options
Diffstat (limited to 'arch/mips/include/asm/i8253.h')
| -rw-r--r-- | arch/mips/include/asm/i8253.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h new file mode 100644 index 000000000000..5dabc870b322 --- /dev/null +++ b/arch/mips/include/asm/i8253.h @@ -0,0 +1,21 @@ +/* + * 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 */ |