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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-imx/localtimer.c | |
parent | ed5f886d16369fed5a69d96b8e85777c47206de1 (diff) | |
parent | 02aac316abf436a7529d46a71f7083f9f9ef4b49 (diff) | |
download | blackbird-op-linux-3983138c017b6aeab6ce3dbb1e9afbe80bdac496.tar.gz blackbird-op-linux-3983138c017b6aeab6ce3dbb1e9afbe80bdac496.zip |
Merge branch 'for-grant' of git://sources.calxeda.com/kernel/linux into devicetree/merge
Diffstat (limited to 'arch/arm/mach-imx/localtimer.c')
-rw-r--r-- | arch/arm/mach-imx/localtimer.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/localtimer.c b/arch/arm/mach-imx/localtimer.c new file mode 100644 index 000000000000..3a163515d41f --- /dev/null +++ b/arch/arm/mach-imx/localtimer.c @@ -0,0 +1,35 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/clockchips.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; +} |