| /* |
| * 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; |
| } |
| |