/* * linux/arch/ia64/sn/kernel/sn2/timer.c * * Copyright (C) 2003 Silicon Graphics, Inc. * Copyright (C) 2003 Hewlett-Packard Co *	David Mosberger <davidm@hpl.hp.com>: updated for new timer-interpolation infrastructure */#include <linux/init.h>#include <linux/kernel.h>#include <linux/sched.h>#include <linux/time.h>#include <linux/interrupt.h>#include <asm/hw_irq.h>#include <asm/system.h>#include <asm/sn/leds.h>#include <asm/sn/shub_mmr.h>#include <asm/sn/clksupport.h>extern unsigned long sn_rtc_cycles_per_second;static struct time_interpolator sn2_interpolator = {	.drift = -1,	.shift = 10,	.mask = (1LL << 55) - 1,	.source = TIME_SOURCE_MMIO64};void __init sn_timer_init(void){	sn2_interpolator.frequency = sn_rtc_cycles_per_second;	sn2_interpolator.addr = RTC_COUNTER_ADDR;	register_time_interpolator(&sn2_interpolator);}