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