timer-mpu.c 974 B

12345678910111213141516171819202122232425262728293031323334
  1. /*
  2. * The MPU local timer source file. In OMAP4, both cortex-a9 cores have
  3. * own timer in it's MPU domain. These timers will be driving the
  4. * linux kernel SMP tick framework when active. These timers are not
  5. * part of the wake up domain.
  6. *
  7. * Copyright (C) 2009 Texas Instruments, Inc.
  8. *
  9. * Author:
  10. * Santosh Shilimkar <santosh.shilimkar@ti.com>
  11. *
  12. * This file is based on arm realview smp platform file.
  13. * Copyright (C) 2002 ARM Ltd.
  14. *
  15. * This program is free software; you can redistribute it and/or modify
  16. * it under the terms of the GNU General Public License version 2 as
  17. * published by the Free Software Foundation.
  18. */
  19. #include <linux/init.h>
  20. #include <linux/smp.h>
  21. #include <linux/clockchips.h>
  22. #include <asm/irq.h>
  23. #include <asm/smp_twd.h>
  24. #include <asm/localtimer.h>
  25. /*
  26. * Setup the local clock events for a CPU.
  27. */
  28. void __cpuinit local_timer_setup(struct clock_event_device *evt)
  29. {
  30. evt->irq = INT_44XX_LOCALTIMER_IRQ;
  31. twd_timer_setup(evt);
  32. }