linux/arch/arm/include/asm/i8253.h
Russell King 8c414ff3f4 clocksource: convert footbridge to generic i8253 clocksource
Convert the footbridge isa-timer code to use generic i8253 clocksource.

Acked-by: John Stultz <john.stultz@linaro.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-05-14 10:29:48 +01:00

16 lines
264 B
C

#ifndef __ASMARM_I8253_H
#define __ASMARM_I8253_H
/* i8253A PIT registers */
#define PIT_MODE 0x43
#define PIT_CH0 0x40
#define PIT_LATCH ((PIT_TICK_RATE + HZ / 2) / HZ)
extern raw_spinlock_t i8253_lock;
#define outb_pit outb_p
#define inb_pit inb_p
#endif