// Initialize the NAND device
char NandInitialize(void)
{
FLASH_INIT_PINS(); // Setup the pins as in HardwareProfile
FLASH_WAIT_RB_TIMEOUT(); // wait for startup cycle
NandPSPOn(); // Enable HW support if provided
FlashReset(); // Issue the reset command
return (TRUE); // Return
}
static void FlashStandby(void)
{
FLASH_INIT_PINS();
FLASH_WAIT_RB_TIMEOUT();// Wait for previous operations
FlashReset(); // Shouldn't really be needed, but at least we'll know what state it's in
FLASH_CE_PIN = 0; // Ensure CE is high (active low)
FLASH_CE = 1; // Chip deselect
return;
}
/********************************************************************
函数功能：Flash初始化。
入口参数：无。
返 回：无。
备 注：无。
********************************************************************/
void FlashInit(void)
{
*AT91C_PIOA_PER=(1<<2)|(1<<15)|(1<<26)|(1<<27)|(1<<28)|(0xFF<<17); //Enable Flash IO
*AT91C_PIOA_OER=(1<<2)|(1<<15)|(1<<26)|(1<<27)|(1<<28); //Output Enable Flash IO
*AT91C_PIOA_ODR=(1<<29); //Output Disable PA29, R/B
*AT91C_PIOA_SODR=(1<<26)|(1<<27)|(1<<28); //Set IO
*AT91C_PIOA_OWER=(0xFF<<17); //使能直接操作端口的模式
FlashClrCle();
FlashClrAle();
FlashClrCe(); //选中芯片
FlashReset(); //FLASH复位
FlashSetCe(); //释放芯片
FlashCurrentWriteSectorAddr=-1; //初始化当前读、写地址为无效
FlashCurrentReadSectorAddr=-1;
FlashNeedWriteBack=0; //初始化不用回写
FlashSwapBlockInit(); //初始化交换块
FlashClrCe(); //选中芯片
FlashLoadBadBlockTable(); //从FLASH中加载坏块表
FlashSetCe(); //释放芯片
}
/***************************************************************************
* NAME: void SelfTestCmd (void) - 0xFE
* DESCRIPTION:
* This routine is to Execute the LAA006's Self-Test Command.
*
***************************************************************************/
void SelfTestCmd(void) {
gc_bCSWStatus = 0x00;
gc_ST_ErrorCode = 0;
switch (COMD_IN[7]) {
case ASK_PARA: //0x02
USB_BUF_Bank0[0x00] = 'L';
USB_BUF_Bank0[0x01] = 'A';
USB_BUF_Bank0[0x02] = 'A';
USB_BUF_Bank0[0x03] = '0';
USB_BUF_Bank0[0x04] = '2';
USB_BUF_Bank0[0x05] = '6';
USB_BUF_Bank0[0x06] = '-';
USB_BUF_Bank0[0x07] = ' ';
USB_BUF_Bank0[0x08] = 'B';
USB_BUF_Bank0[0x09] = 'a';
USB_BUF_Bank0[0x0A] = 'n';
USB_BUF_Bank0[0x0B] = 'k';
USB_BUF_Bank0[0x0C] = ' ';
USB_BUF_Bank0[0x0D] = '1';
USB_BUF_Bank0[0x0E] = '0';
USB_BUF_Bank0[0x0F] = '0';
USB_BUF_Bank0[0x10] = '5';
USB_BUF_Bank0[0x11] = '1';
USB_BUF_Bank0[0x12] = '6';
USB_BUF_Bank0[0x13] = ' ';
USB_BUF_Bank0[0x14] = NAND_INFO.cDEVICE_NUM;
USB_BUF_Bank0[0x15] = (UBYTE)NAND_INFO.wPAGE_NUM;
USB_BUF_Bank0[0x16] = (UBYTE)(NAND_INFO.wBLOCK_NUM>> 8);
USB_BUF_Bank0[0x17] = (UBYTE)(NAND_INFO.wBLOCK_NUM);
USB_BUF_Bank0[0x18] = NAND_INFO.cPLANE_NUM;
USB_BUF_Bank0[0x19] = NAND_INFO.cINADDRMAX;
FlashReset();
DEVICE_REG[0x0F] =0x00;
CHK_Flash_Ready();
FLASH_REG [0x00] = 0x00; //強迫進IO Mode
DEVICE_REG[0x23] = 0x0A; //CLE = '1', ALE = '0', nWP = '1', nCE = '0'
DEVICE_REG[0x20] = 0x90;
DEVICE_REG[0x23] = 0x06; //CLE = '0', ALE = '1', nWP = '1', nCE = '0'
DEVICE_REG[0x20] = 0x00;
DEVICE_REG[0x23] = 0x02; //CLE = '0', ALE = '0', nWP = '1', nCE = '0'
USB_BUF_Bank0[0x1A] = DEVICE_REG[0x20]; //Maker Code
gc_Global_I = 0;
USB_BUF_Bank0[0x1B] = DEVICE_REG[0x20]; //Device Code
gc_Global_I = 0;
USB_BUF_Bank0[0x1C] = DEVICE_REG[0x20]; //多取一些預防新的Flash
gc_Global_I = 0;
USB_BUF_Bank0[0x1D] = DEVICE_REG[0x20];
gc_Global_I = 0;
USB_BUF_Bank0[0x1E] = DEVICE_REG[0x20];
FLASH_REG [0x00] = 0x01; //進ACC Mode
USB_BUF_Bank0[0x20] = 1;
USB_BUF_Bank0[0X21] = (UBYTE)(SYS_ZONE.wZONE_SIZE>>8);
USB_BUF_Bank0[0x22] = (UBYTE)(SYS_ZONE.wZONE_SIZE);
USB_BUF_Bank0[0x23] = NAND_INFO.cFMAP; //Bit 4~7 表示HW不支持需要使用SW方式轉換
USB_BUF_Bank0[0x24] = 0;
USB_BUF_Bank0[0x25] = NAND_INFO.cSUPPORT_MULT_PLANE;
USB_BUF_Bank0[0x26] = NAND_INFO.cFLASH_TYPE;//0:SLC 1:MLC, 2:TLC
USB_BUF_Bank0[0x27] = gbt_newFlash; // 當ID table 中沒有支援
//-------------------------------------// 081212 Jay for flash capacity
USB_BUF_Bank0[0x30] = Capacity.BY[0];
USB_BUF_Bank0[0x31] = Capacity.BY[1];
USB_BUF_Bank0[0x32] = Capacity.BY[2];
USB_BUF_Bank0[0x33] = Capacity.BY[3];
//-- 2010 03 new LDZ039 parameter --//
USB_BUF_Bank0[0x40] = (UBYTE)(NAND_INFO.wPAGE_NUM>>8);
USB_BUF_Bank0[0X41] = NAND_INFO.cECC_MODE;// 0-->24 1-->16
USB_BUF_Bank0[0x42] = NAND_INFO.cECC_NUM;
USB_BUF_Bank0[0x43] = 0xFF;//temp
USB_BUF_Bank0[0x44] = 0xFF;//temp
USB_BUF_Bank0[0x45] = 0xFF;//temp
USB_BUF_Bank0[0x46] = 0xFF;//temp
USB_BUF_Bank0[0x47] = 0xFF;//temp
//-------------------------------------//
USB_REG[0x10] = 0x01; //BulkInEn auto turn-on(dma over)
USB_REG[0x16] = 0x02;
USB_REG[0x15] = 0x00;
USB_REG[0xA1] = 0x01;
while (USB_REG[0xA1] & 0x01);
USB_REG[0x10] = 0x00; //BulkInEn auto turn-off(dma over)
USB_REG[0xE9] = 0x01;
break;
default:
gc_bCSWStatus = 0x01;
gc_RequestSenseCode = 0x03; //參數不支援
break;
}
if (gc_ST_ErrorCode) {
gc_bCSWStatus = 0x01;
gc_RequestSenseCode = 0x88;
}
}
