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 FREQ 66666000 14#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) 15