tick.h 858 B

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  1. /* linux/arch/arm/mach-s3c6400/include/mach/tick.h
  2. *
  3. * Copyright 2008 Openmoko, Inc.
  4. * Copyright 2008 Simtec Electronics
  5. * http://armlinux.simtec.co.uk/
  6. * Ben Dooks <ben@simtec.co.uk>
  7. *
  8. * S3C64XX - Timer tick support definitions
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License version 2 as
  12. * published by the Free Software Foundation.
  13. */
  14. #ifndef __ASM_ARCH_TICK_H
  15. #define __ASM_ARCH_TICK_H __FILE__
  16. /* note, the timer interrutps turn up in 2 places, the vic and then
  17. * the timer block. We take the VIC as the base at the moment.
  18. */
  19. static inline u32 s3c24xx_ostimer_pending(void)
  20. {
  21. u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
  22. return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
  23. }
  24. #define TICK_MAX (0xffffffff)
  25. #endif /* __ASM_ARCH_6400_TICK_H */