82491451dd
Convert x86 i8253 clocksource code to use generic i8253 clocksource. Acked-by: John Stultz <john.stultz@linaro.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
20 lines
377 B
C
20 lines
377 B
C
#ifndef _ASM_X86_I8253_H
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#define _ASM_X86_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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#define PIT_LATCH LATCH
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extern raw_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_X86_I8253_H */
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