include/asm-arm/arch-cl7500/time.h

   1 /*
   2  * linux/include/asm-arm/arch-cl7500/time.h
   3  *
   4  * Copyright (c) 1996-2000 Russell King.
   5  *
   6  * Changelog:
   7  *  24-Sep-1996 RMK     Created
   8  *  10-Oct-1996 RMK     Brought up to date with arch-sa110eval
   9  *  04-Dec-1997 RMK     Updated for new arch/arm/time.c
  10  */
  11
  12 static void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  13 {
  14         do_timer(regs);
  15         do_set_rtc();
  16         do_profile(regs);
  17
  18         {
  19                 /* Twinkle the lights. */
  20                 static int count, state = 0xff00;
  21                 if (count-- == 0) {
  22                         state ^= 0x100;
  23                         count = 25;
  24                         *((volatile unsigned int *)LED_ADDRESS) = state;
  25                 }
  26         }
  27 }
  28
  29 /*
  30  * Set up timer interrupt.
  31  */
  32 static inline void setup_timer(void)
  33 {
  34         extern void ioctime_init(void);
  35         ioctime_init();
  36
  37         timer_irq.handler = timer_interrupt;
  38
  39         setup_arm_irq(IRQ_TIMER, &timer_irq);
  40 }