sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\include\drivers\NandDevice.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __NAND_DEVICE_H__
sl@0: #define __NAND_DEVICE_H__
sl@0: 
sl@0: 
sl@0: /**
sl@0: This enum contains an entry for every manufacturer ID of NAND flash which
sl@0: Symbian OS currently supports.
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: enum TManufacturerId
sl@0: 	{
sl@0: 	ESamsungId = 0xEC
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: This enum specifies characterisitics exhibited by NAND devices.
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: enum TDeviceFlags
sl@0: 	{
sl@0: 	ELargeBlock = 0x01,
sl@0: 	ECycle5Dev = 0x02,
sl@0: 	EDataIoWidth16 = 0x04		// i/o width is 16 bits wide
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Container for storing all of the information about a particular
sl@0: type of NAND flash device.
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: struct TNandDeviceInfo
sl@0: 	{ 
sl@0: 	TManufacturerId     iManufacturerCode;
sl@0: 	TUint8				iDeviceCode;
sl@0: 	TUint32				iNumBlocks;			// no. of erase blocks in a device
sl@0: 	TUint32				iNumSectorsPerBlock;// no. of sectors in an erase block
sl@0: 	TUint32				iNumBytesMain;		// size of a main array for one sector
sl@0: 	TUint32				iNumBytesSpare;		// size of a spare array for one sector
sl@0:     TUint8				iSectorShift;		// shift value for a sector
sl@0:     TUint8				iBlockShift;		// shift value for a block	
sl@0: 	TUint16				iBlksInRsv;			// number of blocks in reservoir
sl@0:     TUint8				iBadPos;			// BadBlock Information Position in spare block
sl@0: 	TUint8				iLsnPos;			// Lsn position in spare array
sl@0: 	TUint8				iECCPos;			// ECC position in spare array
sl@0: 	TDeviceFlags		iFlags;
sl@0: 	};
sl@0: 
sl@0: #endif