/******************************************************************************/
//
// Name:  BF533 EZ-KIT video ITU-656 receive mode (8bit) for the Omnivision chip OV6630
//
/******************************************************************************

(C) Copyright 2003 - Analog Devices, Inc.  All rights reserved.

File Name:    BF533_EZ-KIT_SDRAM_Config.asm

Date Modified:   08/12/05  TL  Rev 1.0

Software:         VisualDSP++4.0, Assembler 2.6.7.5, Linker 3.5.2.2

Hardware:    BF533 EZ-KIT Board (rev 1.7), Blackfin EZ-Extender (rev 1.2)

Chip:     ADSP-BF533 REV 0.4

Special Connections:   None

Purpose:    EZ-KIT SDRAM setup
    
    
Program Parameters:

********************************************************************************/
#include <defBF533.h>

/*****************************************************************************************/
// Global and extern subroutines
/*****************************************************************************************/
.global  BF533_EZ_KIT_SDRAM_Config;

/*****************************************************************************************/
// Program
/*****************************************************************************************/
.section L1_code;

/* Initalize SDRAM registers. */
BF533_EZ_KIT_SDRAM_Config:

 //SDRAM Refresh Rate Control Register
 P0.L = lo(EBIU_SDRRC);
 P0.H = hi(EBIU_SDRRC);
 R0 = 0x0817 (z);        
 w[P0] = R0;

 //SDRAM Memory Bank Control Register
 P0.L = lo(EBIU_SDBCTL);   
 P0.H = hi(EBIU_SDBCTL);     
 R0.L = 0x0013;        
 R0.H = 0x0000;        
 [P0] = R0;

 //SDRAM Memory Global Control Register 
 P0.L = lo(EBIU_SDGCTL);
 P0.H = hi(EBIU_SDGCTL);
 R0.L = 0x998d;
 R0.H = 0x0091;
 [P0] = R0; 
 
BF533_EZ_KIT_SDRAM_Config.END:
RTS;
/*******************************************************************************/

//本代码Blackfin示例