dm_bf54x_tools.c

adi bf54x dsp sd卡程序

/*******************************************************************
Analog Devices, Inc. All Rights Reserved. 

This software is proprietary and confidential.  By using this software
you agree to the terms of the associated Analog Devices License Agreement.  

Project Name:  	Power_On_Self_Test

Hardware:		ADSP-BF548 EZ-KIT Lite

Description:	This examples performs POST on the BF548 EZ-Kit Lite
*******************************************************************/

#include <cdefBF548.h>
#include <ccblkfn.h> 


/*******************************************************************
*   Function:    Init_PLL
*   Description: initializes the PLL registers
*******************************************************************/
void Init_PLL(void)
{
	*pSIC_IWR0 |= 0x1;			// enable PLL wakeup
	*pPLL_CTL = SET_MSEL(15);	/* (27MHz Xtal x (MSEL=15))::CCLK=405MHz		*/
	ssync();
	*pPLL_DIV = SET_SSEL(3);	/* (405MHz/(SSEL=3))::SCLK=135MHz				*/
	ssync();
	*pVR_CTL = 0x40FB;
	ssync();	
	idle();
}
//--------------------------------------------------------------------------//
// Function:	InitDDR
//
// Parameters:	None
//
// Return:		None
//
// Description:	Initialize DDR
//--------------------------------------------------------------------------//
void Init_DDR(void)
{
  	// release the DDR controller from reset as per spec
    *pEBIU_RSTCTL |= 0x0001;
    ssync();	
	*pEBIU_AMGCTL = 0x0009;
	*pEBIU_DDRCTL0 = 0x218A8411L;
	*pEBIU_DDRCTL1 = 0x100e2222L;
	*pEBIU_DDRCTL2 = 0x00000021L;
    asm("SSYNC;");
}

void Init_EBIU(void)
{
	*pEBIU_AMBCTL0	= 0x7bb07bb0;
	*pEBIU_AMBCTL1	= 0x7bb07bb0;
	*pEBIU_AMGCTL	= 0x000f;
}