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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-ixp4xx/include/mach/timex.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/timex.h')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/timex.h16
1 files changed, 16 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 00000000..c9e930f2
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/timex.h
@@ -0,0 +1,16 @@
+/*
+ * 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 IXP4XX_TIMER_FREQ 66666000
+#define CLOCK_TICK_RATE \
+ (((IXP4XX_TIMER_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
+