nand.c

三星S3C2460 USB DEVICE /USB HOST 监控代码

#include <stdlib.h>
#include <string.h>
#include "option.h"
#include "2460addr.h"
#include "2460lib.h"
#include "2460slib.h" 
#include "nand.h" 
#include "mmu.h"

//**           H/W dependent functions           **
// block0: reserved for boot strap
// block1~4095: used for OS image
// badblock SE: xx xx xx xx xx 00 ....
// good block SE: ECC0 ECC1 ECC2 ECC3 FF FF ....
// 1block=(512+16)bytes x 32pages
// 4096block
// A[23:14][13:9]
//  block   page
//*******************************************************
// K9D1G08 H/W dependent functions 
// block0: reserved for boot strap
// block1~8191: used for OS image
// badblock SE: xx xx xx xx xx 00 ....
// good block SE: ECC0 ECC1 ECC2 ECC3 FF FF ....
// 1block=(512+16)bytes x 32pages
// 8192block
// A[26:14][13:9]
//  block   page
//*******************************************************
// K9K2G16 H/W dependent functions 
// block0: reserved for boot strap
// block1~2047: used for OS image
// badblock SE: xxxx xxxx xxxx xxxx xxxx 0000 ....
// good block SE: ECC0 ECC1 ECC2 ECC3 xx FFFF ....
// 1block=(1024+32)Words x 64pages
// 2048block
// A[27:17][16:11]
//  block   page
//*******************************************************

#define NF_CMD(cmd)	{rNFCMMD=cmd;}
#define NF_ADV_CMD(cmd2,cmd1)	{rNFCMMD=(cmd1|(cmd2<<8));}
#define NF_ADDR(addr) {rNFADDR=addr;}
#define NF_nFCE_L()	{rNFCONT&=~(1<<7);}
#define NF_nFCE_H()	{rNFCONT|=(1<<7);}
#define NF_RSTECC()	{rNFCONT|=(1<<8);}
#define NF_RDDATA() 	(rNFDATA)
#define NF_WRDATA(data) {rNFDATA=data;}
#define NF_TRANSRnB()    {while(!(rNFSTAT&(1<<13)));} 
#define NF_CLRRnB()    {(rNFSTAT|=(1<<13));} 
#define NF_MECC_Lock()  { rNFCONT|=(1<<9);}
#define NF_MECC_UnLock()  { rNFCONT&=~(1<<9);}

#if 1
// HCLK=100Mhz
#define TECH              0x3f
#define TACLS		7//0  //1clk(0ns) 
#define TWRPH0		7
#define TWRPH1		7//0  //1clk(10ns)  //TACLS+TWRPH0+TWRPH1>=50ns
#else
// HCLK=50Mhz
#define TECH              0x3f
#define TACLS		0  //1clk(0ns)
#define TWRPH0		1  //2clk(25ns)
#define TWRPH1		0  //1clk(10ns)
#endif

void * func_k9s1208_test[][2]=
{	
	//NAND x8,normal
	(void *)K9S1208_PrintBadBlockNum,		"View Bad Block   ",
	(void *)K9S1208_PrintBlock, 			"Page Read        ",
	(void *)K9S1208_Page_Write,                    "Page Write        ",
	(void *)K9S1208_Erase,					"Block Erase      ", 
	(void *)K9S1208_Program,				"Nand program     ",
	(void *)K9S1208_AutoLoad,				"AutoLoad         ",
	(void *)K9S1208_AutoStore,				"AutoStore        ",
	(void *)K9S1208_Lock,					"Lock             ",
	(void *)K9S1208_SoftUnLock,			"SoftUnlock       ",	
	0,0
};

void * func_k9k2g16_test[][2]=
{	
	//NAND x16,advance
	(void *)K9k2g16_PrintBadBlockNum,		"View Bad Block   ",
	(void *)K9k2g16_PrintBlock, 				"Page Read        ",
	(void *)K9k2g16_Page_Write,                    "Page Write        ",
	(void *)K9k2g16_Erase,					"Block Erase      ", 
	(void *)K9k2g16_Program,				"Write            ",
	(void *)K9k2g16_AutoLoad,				"AutoLoad         ",
	(void *)K9k2g16_AutoStore,				"AutoStore        ",
	(void *)K9k2g16_Lock,					"Lock             ",
	(void *)K9k2g16_SoftUnLock,			"SoftUnlock       ",	
	0,0
};

void Ch4_NAND_FLASH_CONTROLLER(void)
{
	unsigned char ch;
	
	printf("[NAND Flash Controller Test start]\n\n");	
	printf("Select Nand flash device, K9S1208(1)/K9K2G16(2) : ");
	ch=getchar();

	printf("\n\n");
	
	switch(ch) {
		case '1':
			Test_K9S1208();		// in K9S1208.c
		break;
		case '2':			
			Test_K9K2G16();		// in K9K2h16.c
		break;
		default:
		break;
	}
	printf("[NAND Flash Controller Test end]\n");	
}

void Test_K9S1208(void)
{
	int i,id;
	
	printf("====== K9S1208 Test ======\n");

	NF_Init();	
	id=NF_CheckId();
	if(id ==0x76)
		printf("ID=%x(0x76)\n\n",id);
	else	{
		printf("Selection fail : ID=%x\n",id);
		return;
	}		
		
	while(1)
	{
		i=0;
		
		while(1)
		{   //display menu
			printf("%2d:%s",i,func_k9s1208_test[i][1]);
			i++;
			if((int)(func_k9s1208_test[i][0])==0)
			{
				printf("\n");
				break;
			}
			if((i%4)==0)
			printf("\n");
		}

		printf("\nPress Enter key to exit : ");
		i = GetIntNum();
		if(i==-1) break;		// return.
		if(i>=0 && (i<((sizeof(func_k9s1208_test)-1)/8)) )	// select and execute...
			( (void (*)(void)) (func_k9s1208_test[i][0]) )();
	}
}


void Test_K9K2G16(void)
{
	int i,id;
	
	printf("====== K9K2G16 Test ======\n");
		
	while(1)
	{
		i=0;
		//printf("\n\n");
		NF16_Init();	
		id=NF16_CheckId();
		if(id==0xca)
		printf("ID=%x(0xca)\n",id);
		else	{
			printf("Selection fail : ID=%x\n",id);
			return;
			}
		while(1)
		{   //display menu
			printf("%2d:%s",i,func_k9k2g16_test[i][1]);
			i++;
			if((int)(func_k9k2g16_test[i][0])==0)
			{
				printf("\n");
				break;
			}
			if((i%4)==0)
			printf("\n");
		}

		printf("\nPress Enter key to exit : ");
		i = GetIntNum();
		if(i==-1) break;		// return.
		if(i>=0 && (i<((sizeof(func_k9k2g16_test)-1)/8)) )	// select and execute...
			( (void (*)(void)) (func_k9k2g16_test[i][0]) )();
	}
}
static unsigned char NF_CheckId(void)
{
    int i;
    unsigned char id1, id2,id3,id4;

   printf(" Check the ID of the Nand flash memory\n");
    
    NF_nFCE_L();
    
    NF_CMD(0x90);
    NF_ADDR(0x0);
    
    for(i=0;i<10;i++); //wait tWB(100ns)////?????

//    id=NF_RDDATA()<<8;	// Maker code(K9S1208V:0xec)
//    id|=NF_RDDATA();	// Devide code(K9S1208V:0x76)

    id1=NF_RDDATA();	// Maker code(K9S1208V:0xec)
    id2=NF_RDDATA();	// Devide code(K9S1208V:0x76)
    id3=NF_RDDATA();	
    id4=NF_RDDATA();	 
      
    NF_nFCE_H();
    //printf("\n%x,%x,%x,%x\n ",id1,id2,id3,id4);    
    return id2;
}
static unsigned char NF16_CheckId(void)
{
    int i;
    unsigned char id1, id2,id3,id4;
    
    NF_nFCE_L();
    
    NF_CMD(0x90);
    NF_ADDR(0x0);
    
    for(i=0;i<10;i++); //wait tWB(100ns)////?????
    
    id1=NF_RDDATA();	// Maker code(K9S1208V:0xec)
    id2=NF_RDDATA();	// Devide code(K9S1208V:0x76)
    id3=NF_RDDATA();	
    id4=NF_RDDATA();	 
    
    NF_nFCE_H();
    
    return id2;
}
void NF_Reset(void)
{
	int i;
	rNFCONT|=(3<<0); //software mode
	NF_nFCE_L();
	NF_CLRRnB(); 
	NF_CMD(0xFF);	//reset command

//	for(i=0;i<10;i++);  //tWB = 100ns. //??????
	NF_TRANSRnB();      //wait 200~500us;
	NF_nFCE_H();
}

void NF16_Reset(void)
{
    int i;
//    rNFCONT|=(3<<0); //software mode
    NF_nFCE_L();
    NF_CLRRnB(); 
    NF_CMD(0xFF);	//reset command

    for(i=0;i<10;i++);  //tWB = 100ns. //??????
    NF_TRANSRnB();      //wait 200~500us;
    NF_nFCE_H();
}
static void NF_Init(void)
{
		
	rPRIORITY0|=(1<<4);  // CS2 is used for nand flash controller
	rNFCONF=(0<<22)|(TECH<<16)|(TACLS<<12)|(TWRPH0<<8)|(TWRPH1<<4)|(0<<3)|(0<<2)|(1<<1)|(1<<0);
	// AdvFlash(R)		[22]		Advanced NAND, 0:256/512, 1:1024/2048
	// TCEH				[21:16]	nCE High hold time
	// TACLS			[14:12]	CLE&ALE duration = HCLK*TACLS.
	// TWRPH0			[10:8]	TWRPH0 duration = HCLK*(TWRPH0+1)
	// TWRPH1			[6:4]	TWRPH1 duration = HCLK*(TWRPH1+1)
	// HW_nCE			[3]		H/W nCE control
	// BusWidth(H/W set)	[2]	NAND bus width. 0:8-bit, 1:16-bit.	
	// PageSize(H/W set)	[1]		NAND memory page size
	//						when [22]==0, 0:256, 1:512 bytes/page.
	//						when [22]==1, 0:1024, 1:2048 bytes/page.
	// AddrCycle(H/W set)	[0]		NAND flash addr size
	//						when [22]==0, 0:3-addr, 1:4-addr.
	//						when [22]==1, 0:4-addr, 1:5-addr.	
	// 						Advance off,Not support nCE ctl, 8bit, 512B, 4step 
	rNFCONT=(0<<16)|(0<<15)|(0<<14)|(0<<13)|(0<<12)|(0<<11)|(1<<10)|(1<<9)|(0<<8)|(1<<7)|(0<<4)|(0<<3)|(0<<2)|(3<<0);
	// LdStrAddr   illegalAccINT  LoadINT  StoreINT  RnBINT    TransMode  SpareECCLock MainECCLock
	// initECC   Reg_nCE  PageSie Lock-tight UnLock  Software mode
//	NF_Reset();
}

static void NF16_Init(void)
{
	rPRIORITY0|=(1<<4);  // CS2 is used for nand flash controller
	
	rNFCONF=(1<<22)|(TECH<<16)|(TACLS<<12)|(TWRPH0<<8)|(TWRPH1<<4)|(0<<3)|(1<<2)|(0<<1)|(1<<0);
	//             Advanced,                                                                     Not support nCE ctl, 16bit, 1KHWord, 5step 
	rNFCONT=(0<<16)|(0<<15)|(0<<14)|(0<<13)|(0<<12)|(0<<11)|(1<<10)|(1<<9)|(0<<8)|(1<<7)|(0<<4)|(0<<3)|(0<<2)|(3<<0);  
	//           LdStrAddr   illegalAccINT  LoadINT  StoreINT  RnBINT    TransMode  SpareECCLock MainECCLock
	//            initECC   Reg_nCE  PageSie Lock-tight  Unlock  Software mode
//	NF16_Reset();
}