1 /*
2  * arch/arm/mach-ixp4xx/include/mach/timex.h
3  *
4  */
5 
6 #include <mach/hardware.h>
7 
8 /*
9  * We use IXP425 General purpose timer for our timer needs, it runs at
10  * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the
11  * timer register ignores the bottom 2 bits of the LATCH value.
12  */
13 #define IXP4XX_TIMER_FREQ 66666000
14 #define CLOCK_TICK_RATE \
15 	(((IXP4XX_TIMER_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
16 
17