timex.h 1.1 KB

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  1. /* MN10300 Architecture time management specifications
  2. *
  3. * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
  4. * Written by David Howells (dhowells@redhat.com)
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public Licence
  8. * as published by the Free Software Foundation; either version
  9. * 2 of the Licence, or (at your option) any later version.
  10. */
  11. #ifndef _ASM_TIMEX_H
  12. #define _ASM_TIMEX_H
  13. #include <asm/hardirq.h>
  14. #include <unit/timex.h>
  15. #define TICK_SIZE (tick_nsec / 1000)
  16. #define CLOCK_TICK_RATE MN10300_JCCLK /* Underlying HZ */
  17. #ifdef __KERNEL__
  18. extern cycles_t cacheflush_time;
  19. static inline cycles_t get_cycles(void)
  20. {
  21. return read_timestamp_counter();
  22. }
  23. extern int init_clockevents(void);
  24. extern int init_clocksource(void);
  25. static inline void setup_jiffies_interrupt(int irq,
  26. struct irqaction *action)
  27. {
  28. u16 tmp;
  29. setup_irq(irq, action);
  30. set_intr_level(irq, NUM2GxICR_LEVEL(CONFIG_TIMER_IRQ_LEVEL));
  31. GxICR(irq) |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST;
  32. tmp = GxICR(irq);
  33. }
  34. #endif /* __KERNEL__ */
  35. #endif /* _ASM_TIMEX_H */