kernel/eka/include/drivers/nanddevice.h
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/drivers/nanddevice.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,68 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32\include\drivers\NandDevice.h
+// 
+//
+
+#ifndef __NAND_DEVICE_H__
+#define __NAND_DEVICE_H__
+
+
+/**
+This enum contains an entry for every manufacturer ID of NAND flash which
+Symbian OS currently supports.
+@publishedPartner
+@released
+*/
+enum TManufacturerId
+	{
+	ESamsungId = 0xEC
+	};
+
+/**
+This enum specifies characterisitics exhibited by NAND devices.
+@publishedPartner
+@released
+*/
+enum TDeviceFlags
+	{
+	ELargeBlock = 0x01,
+	ECycle5Dev = 0x02,
+	EDataIoWidth16 = 0x04		// i/o width is 16 bits wide
+	};
+
+/**
+Container for storing all of the information about a particular
+type of NAND flash device.
+@publishedPartner
+@released
+*/
+struct TNandDeviceInfo
+	{ 
+	TManufacturerId     iManufacturerCode;
+	TUint8				iDeviceCode;
+	TUint32				iNumBlocks;			// no. of erase blocks in a device
+	TUint32				iNumSectorsPerBlock;// no. of sectors in an erase block
+	TUint32				iNumBytesMain;		// size of a main array for one sector
+	TUint32				iNumBytesSpare;		// size of a spare array for one sector
+    TUint8				iSectorShift;		// shift value for a sector
+    TUint8				iBlockShift;		// shift value for a block	
+	TUint16				iBlksInRsv;			// number of blocks in reservoir
+    TUint8				iBadPos;			// BadBlock Information Position in spare block
+	TUint8				iLsnPos;			// Lsn position in spare array
+	TUint8				iECCPos;			// ECC position in spare array
+	TDeviceFlags		iFlags;
+	};
+
+#endif