forked from luck/tmp_suning_uos_patched
69c31b7a6e
It adds smp and cpu hotplug support for imx6q. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
36 lines
862 B
C
36 lines
862 B
C
/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2011 Linaro Ltd.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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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_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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