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/*
27 * Setup the local clock events for a CPU.
28 */
29int __cpuinit local_timer_setup(struct clock_event_device *evt)
30{
31	/* Local timers are not supprted on OMAP4430 ES1.0 */
32	if (omap_rev() == OMAP4430_REV_ES1_0)
33		return -ENXIO;
34
35	evt->irq = OMAP44XX_IRQ_LOCALTIMER;
36	twd_timer_setup(evt);
37	return 0;
38}
39