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