diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-ixp4xx/include/mach/timex.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/timex.h')
-rw-r--r-- | arch/arm/mach-ixp4xx/include/mach/timex.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h new file mode 100644 index 00000000000..89ce3ee8469 --- /dev/null +++ b/arch/arm/mach-ixp4xx/include/mach/timex.h @@ -0,0 +1,15 @@ +/* + * arch/arm/mach-ixp4xx/include/mach/timex.h + * + */ + +#include <mach/hardware.h> + +/* + * We use IXP425 General purpose timer for our timer needs, it runs at + * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the + * timer register ignores the bottom 2 bits of the LATCH value. + */ +#define FREQ 66666666 +#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) + |