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18 lines
345 B
18 lines
345 B
#ifndef __ASM_I8253_H__
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#define __ASM_I8253_H__
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/* i8253A PIT registers */
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#define PIT_MODE 0x43
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#define PIT_CH0 0x40
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#define PIT_CH2 0x42
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extern spinlock_t i8253_lock;
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extern struct clock_event_device *global_clock_event;
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extern void setup_pit_timer(void);
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#define inb_pit inb_p
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#define outb_pit outb_p
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#endif /* __ASM_I8253_H__ */
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