diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2011-11-03 23:32:20 -0400 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2011-11-03 23:32:20 -0400 |
commit | 3983138c017b6aeab6ce3dbb1e9afbe80bdac496 (patch) | |
tree | 9fdcddfdb8ada91504c90e2551ba6a565ade7325 /arch/arm/mach-highbank/localtimer.c | |
parent | ed5f886d16369fed5a69d96b8e85777c47206de1 (diff) | |
parent | 02aac316abf436a7529d46a71f7083f9f9ef4b49 (diff) |
Merge branch 'for-grant' of git://sources.calxeda.com/kernel/linux into devicetree/merge
Diffstat (limited to 'arch/arm/mach-highbank/localtimer.c')
-rw-r--r-- | arch/arm/mach-highbank/localtimer.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/localtimer.c b/arch/arm/mach-highbank/localtimer.c new file mode 100644 index 00000000000..5a00e7945fd --- /dev/null +++ b/arch/arm/mach-highbank/localtimer.c @@ -0,0 +1,40 @@ +/* + * 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; +} |