main.c

FreeScale imx21开发板Nand flash烧写程序

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#include "common.h"
#include "tht_memory_map_defines.h"


int main(void)
{
//	U32		SourceAddress	= *(volatile U32*)(0xC000FFF0);
//	U32		TargetAddress	= *(volatile U32*)(0xC000FFF4);
//	U32		NumberOfByte	= *(volatile U32*)(0xC000FFF8);

	//U32		SourceAddress	= *(volatile U32*)(0xC0004000);
	//U32		TargetAddress	= *(volatile U32*)(0x00000000);
//	U32		NumberOfByte	= *(volatile U32*)(0x00004000);

	U32		SourceAddress	= (0xC3000000);
	U32		TargetAddress	= (0x00000000);
		
//	U32 	Word = NumberOfByte / 4;	
	U32 	Word = 64*1024 / 4;	
		
	// change the PLL to 266/88

	CheckHABStatus();	
	
	//U32 	SourceAddress = 0xC2000000;		
	//U32	TargetAddress = 0xC8000000;
	//U32 	Word = 8*1024*1024;
	
	// 0xC000_0060: Flash Image temporary at SDRAM,   e.g. 0xC001_0000
	// 0xC000_0064: Flash Image to be store on Flash, e.g. 0xC800_0000 - CS0
	// 0xC000_0068: Size of Flash Image
	// 0xC000_4000: Entry of this Flash Download Application
	// 0xC000_8000: End of Flash Download Application

	// ************************
	// LED RAM application 
	// Load Flash_img.bin into 0xC3000000, will burn onto 0xC8000000, size as 1M = 1 * 1024*1024/4;
	
	// ************************
	// Linux OS	 	
	// * Bootloader
	// Load HAB-vec.bin   into 0xC3000000
	// Load boot0.2.0.bin into 0xC3004000
	// With size 1M = 1 * 1024*1024/4, program onto 0xC8000000;
	// * Kernel
	// Load kernel4.bin   into 0xC3100000
	// With size 2M = 2 * 1024*1024/4, program onto 0xC8100000;
	// * RootDisk
	// Load rootdisk4.bin into 0xC3300000
	// With size 12M = 12 * 1024*1024/4, program onto 0xC8300000;	
	/*
	SourceAddress	= 0xC3000000;
	TargetAddress	= 0xC8000000;
	Word			= 16* 1024*1024/4;	
	FlashLoader(TargetAddress, SourceAddress, Word);
	*/
	nand_init();
	
	//Nand_test();
	FlashLoader(TargetAddress, SourceAddress, Word);

	//nand_read(0x00000000, 0xC1000000, 4096);
	
	while (1);
  	return 0;
}