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/*
* Garrett Wollman, September 1994.
* This file is in the public domain.
* Kernel interface to machine-dependent clock driver.
*
* JNPR: clock.h,v 1.6.2.1 2007/08/29 09:36:05 girish
* from: src/sys/alpha/include/clock.h,v 1.5 1999/12/29 04:27:55 peter
* $FreeBSD$
*/
#ifndef _MACHINE_CLOCK_H_
#define _MACHINE_CLOCK_H_
#include <sys/bus.h>
#ifdef _KERNEL
extern int cpu_clock;
extern uint32_t clockintr(uint32_t, struct trapframe *);
#define wall_cmos_clock 0
#define adjkerntz 0
/*
* Default is to assume a CPU pipeline clock of 100Mhz, and
* that CP0_COUNT increments every 2 cycles.
*/
#define MIPS_DEFAULT_HZ (100 * 1000 * 1000)
void mips_timer_early_init(uint64_t clock_hz);
void mips_timer_init_params(uint64_t, int);
extern uint64_t counter_freq;
extern int clocks_running;
/*
* The 'platform_timecounter' pointer may be used to register a
* platform-specific timecounter.
*
* A default timecounter based on the CP0 COUNT register is always registered.
*/
extern struct timecounter *platform_timecounter;
#endif
#endif /* !_MACHINE_CLOCK_H_ */
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