17 lines
429 B
C
17 lines
429 B
C
|
/*
|
||
|
|
* 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)
|
||
|
|
|