clock.h revision 202175 
1/*
2 * Garrett Wollman, September 1994.
3 * This file is in the public domain.
4 * Kernel interface to machine-dependent clock driver.
5 *
6 *	JNPR: clock.h,v 1.6.2.1 2007/08/29 09:36:05 girish
7 *	from: src/sys/alpha/include/clock.h,v 1.5 1999/12/29 04:27:55 peter
8 * $FreeBSD: head/sys/mips/include/clock.h 202175 2010-01-12 21:36:08Z imp $
9 */
10
11#ifndef _MACHINE_CLOCK_H_
12#define	_MACHINE_CLOCK_H_
13
14#include <sys/bus.h>
15
16#ifdef _KERNEL
17
18extern int cpu_clock;
19
20extern uint32_t clockintr(uint32_t, struct clockframe *);
21
22#define wall_cmos_clock 0
23#define adjkerntz 0
24
25/*
26 * Default is to assume a CPU pipeline clock of 100Mhz, and
27 * that CP0_COUNT increments every 2 cycles.
28 */
29#define MIPS_DEFAULT_HZ		(100 * 1000 * 1000)
30
31void	mips_timer_early_init(uint64_t clock_hz);
32void	mips_timer_init_params(uint64_t, int);
33
34extern uint64_t	counter_freq;
35extern int	clocks_running;
36
37#endif
38
39#endif /* !_MACHINE_CLOCK_H_ */
40