LXR linux/arch/arm/mach-s5pc100/include/mach/tick.h

   1/* linux/arch/arm/mach-s5pc100/include/mach/tick.h
   2 *
   3 * Copyright 2009 Samsung Electronics Co.
   4 *      Byungho Min <bhmin@samsung.com>
   5 *
   6 * S3C64XX - Timer tick support definitions
   7 *
   8 * Based on mach-s3c6400/include/mach/tick.h
   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
  15#ifndef __ASM_ARCH_TICK_H
  16#define __ASM_ARCH_TICK_H __FILE__
  17
  18#include <linux/irqchip/arm-vic.h>
  19
  20/* note, the timer interrutps turn up in 2 places, the vic and then
  21 * the timer block. We take the VIC as the base at the moment.
  22 */
  23static inline u32 s3c24xx_ostimer_pending(void)
  24{
  25        u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
  26        return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
  27}
  28
  29#define TICK_MAX        (0xffffffff)
  30
  31#endif /* __ASM_ARCH_TICK_H */
  32