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/*
* The MPU local timer source file. In OMAP4, both cortex-a9 cores have
* own timer in it's MPU domain. These timers will be driving the
* linux kernel SMP tick framework when active. These timers are not
* part of the wake up domain.
*
* Copyright (C) 2009 Texas Instruments, Inc.
*
* Author:
* Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This file is based on arm realview smp platform file.
* Copyright (C) 2002 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/clockchips.h>
#include <asm/irq.h>
#include <asm/smp_twd.h>
#include <asm/localtimer.h>
/*
* Setup the local clock events for a CPU.
*/
int __cpuinit local_timer_setup(struct clock_event_device *evt)
{
/* Local timers are not supprted on OMAP4430 ES1.0 */
if (omap_rev() == OMAP4430_REV_ES1_0)
return -ENXIO;
evt->irq = OMAP44XX_IRQ_LOCALTIMER;
twd_timer_setup(evt);
return 0;
}
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