linux/arch/arm/mach-highbank/localtimer.c
Rob Herring 6738845783 ARM: highbank: add SMP support
This enables SMP support on highbank processor.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
2011-10-31 14:14:02 +01:00

41 lines
1.2 KiB
C

/*
* Copyright 2010-2011 Calxeda, Inc.
* Based on localtimer.c, Copyright (C) 2002 ARM Ltd.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/init.h>
#include <linux/clockchips.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <asm/smp_twd.h>
/*
* Setup the local clock events for a CPU.
*/
int __cpuinit local_timer_setup(struct clock_event_device *evt)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "arm,smp-twd");
if (!twd_base) {
twd_base = of_iomap(np, 0);
WARN_ON(!twd_base);
}
evt->irq = irq_of_parse_and_map(np, 0);
twd_timer_setup(evt);
return 0;
}