[deliverable/linux.git] / include / asm-arm / arch-ixp4xx / timex.h

/*
 * linux/include/asm-arm/arch-ixp4xx/timex.h
 * 
 */

#include <asm/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)
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/include/asm-arm/arch-ixp4xx/timex.h
	3	*
	4	*/
	5
	6	#include <asm/hardware.h>
	7
	8	/*
	9	* We use IXP425 General purpose timer for our timer needs, it runs at
9138dccb DS	10	* 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the
9138dccb DS	11	* timer register ignores the bottom 2 bits of the LATCH value.
1da177e4	12	*/
9138dccb DS	13	#define FREQ 66666666
9138dccb DS	14	#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
1da177e4	15