clock.c

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/******************************************************
* Function: s3c2440 clock driver
*
* File:   clock.c
* Author: Book Chen
* Date:   2008.07.18
*******************************************************
*/
#include "includes.h"

typedef struct{
    U32 ClockDiv;
        U32 Mclk;
        U32 Pclk;
        U32 Sclk;
        U32 Freq;
}CLOCK_PARAM;

CLOCK_PARAM ClockParam;

void F_ClockPowerOnInit(void){
    ClockParam.ClockDiv=5; //M:H:P=1:1/4:1/8
        ClockParam.Mclk=92;
        ClockParam.Pclk=1;
        ClockParam.Sclk=1;
        rMPLLCON=(ClockParam.Mclk<<12)|(ClockParam.Pclk<<4)|ClockParam.Sclk;
        rCLKDIVN=ClockParam.ClockDiv;
        if(rCLKDIVN>1) MMU_SetAsyncBusMode();
    else MMU_SetFastBusMode(); 
}