/* * 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; }