time.h 1.4 KB

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  1. /*
  2. * linux/include/asm-arm/arch-clps711x/time.h
  3. *
  4. * Copyright (C) 2000 Deep Blue Solutions Ltd.
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. #include <asm/leds.h>
  21. #include <asm/hardware/clps7111.h>
  22. extern void clps711x_setup_timer(void);
  23. /*
  24. * IRQ handler for the timer
  25. */
  26. static irqreturn_t
  27. p720t_timer_interrupt(int irq, void *dev_id)
  28. {
  29. struct pt_regs *regs = get_irq_regs();
  30. do_leds();
  31. do_timer(1);
  32. #ifndef CONFIG_SMP
  33. update_process_times(user_mode(regs));
  34. #endif
  35. do_profile(regs);
  36. return IRQ_HANDLED;
  37. }
  38. /*
  39. * Set up timer interrupt, and return the current time in seconds.
  40. */
  41. void __init time_init(void)
  42. {
  43. clps711x_setup_timer();
  44. timer_irq.handler = p720t_timer_interrupt;
  45. setup_irq(IRQ_TC2OI, &timer_irq);
  46. }