release/src-rt-6.x.4708/linux/linux-2.6.36/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 /* note, the timer interrutps turn up in 2 places, the vic and then
  19  * the timer block. We take the VIC as the base at the moment.
  20  */
  21 static inline u32 s3c24xx_ostimer_pending(void)
  22 {
  23         u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
  24         return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
  25 }
  26
  27 #define TICK_MAX        (0xffffffff)
  28
  29 #endif /* __ASM_ARCH_TICK_H */