730c1fad0e
Implement generic time support for MN10300. Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* MN10300 Architecture time management specifications
|
|
*
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public Licence
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the Licence, or (at your option) any later version.
|
|
*/
|
|
#ifndef _ASM_TIMEX_H
|
|
#define _ASM_TIMEX_H
|
|
|
|
#include <asm/hardirq.h>
|
|
#include <unit/timex.h>
|
|
|
|
#define TICK_SIZE (tick_nsec / 1000)
|
|
|
|
#define CLOCK_TICK_RATE MN10300_JCCLK /* Underlying HZ */
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
extern cycles_t cacheflush_time;
|
|
|
|
static inline cycles_t get_cycles(void)
|
|
{
|
|
return read_timestamp_counter();
|
|
}
|
|
|
|
extern int init_clockevents(void);
|
|
extern int init_clocksource(void);
|
|
|
|
static inline void setup_jiffies_interrupt(int irq,
|
|
struct irqaction *action)
|
|
{
|
|
u16 tmp;
|
|
setup_irq(irq, action);
|
|
set_intr_level(irq, NUM2GxICR_LEVEL(CONFIG_TIMER_IRQ_LEVEL));
|
|
GxICR(irq) |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST;
|
|
tmp = GxICR(irq);
|
|
}
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ASM_TIMEX_H */
|