1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\include\drivers\NandDevice.h

    15 // 

    16 //

    17 

    18 #ifndef __NAND_DEVICE_H__

    19 #define __NAND_DEVICE_H__

    20 

    21 

    22 /**

    23 This enum contains an entry for every manufacturer ID of NAND flash which

    24 Symbian OS currently supports.

    25 @publishedPartner

    26 @released

    27 */

    28 enum TManufacturerId

    29 	{

    30 	ESamsungId = 0xEC

    31 	};

    32 

    33 /**

    34 This enum specifies characterisitics exhibited by NAND devices.

    35 @publishedPartner

    36 @released

    37 */

    38 enum TDeviceFlags

    39 	{

    40 	ELargeBlock = 0x01,

    41 	ECycle5Dev = 0x02,

    42 	EDataIoWidth16 = 0x04		// i/o width is 16 bits wide

    43 	};

    44 

    45 /**

    46 Container for storing all of the information about a particular

    47 type of NAND flash device.

    48 @publishedPartner

    49 @released

    50 */

    51 struct TNandDeviceInfo

    52 	{ 

    53 	TManufacturerId     iManufacturerCode;

    54 	TUint8				iDeviceCode;

    55 	TUint32				iNumBlocks;			// no. of erase blocks in a device

    56 	TUint32				iNumSectorsPerBlock;// no. of sectors in an erase block

    57 	TUint32				iNumBytesMain;		// size of a main array for one sector

    58 	TUint32				iNumBytesSpare;		// size of a spare array for one sector

    59     TUint8				iSectorShift;		// shift value for a sector

    60     TUint8				iBlockShift;		// shift value for a block	

    61 	TUint16				iBlksInRsv;			// number of blocks in reservoir

    62     TUint8				iBadPos;			// BadBlock Information Position in spare block

    63 	TUint8				iLsnPos;			// Lsn position in spare array

    64 	TUint8				iECCPos;			// ECC position in spare array

    65 	TDeviceFlags		iFlags;

    66 	};

    67 

    68 #endif