|
sl@0
|
1 |
// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
2 |
// All rights reserved.
|
|
sl@0
|
3 |
// This component and the accompanying materials are made available
|
|
sl@0
|
4 |
// under the terms of the License "Eclipse Public License v1.0"
|
|
sl@0
|
5 |
// which accompanies this distribution, and is available
|
|
sl@0
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
7 |
//
|
|
sl@0
|
8 |
// Initial Contributors:
|
|
sl@0
|
9 |
// Nokia Corporation - initial contribution.
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// Contributors:
|
|
sl@0
|
12 |
//
|
|
sl@0
|
13 |
// Description:
|
|
sl@0
|
14 |
// e32\include\drivers\crashflashnand.h
|
|
sl@0
|
15 |
//
|
|
sl@0
|
16 |
// WARNING: This file contains some APIs which are internal and are subject
|
|
sl@0
|
17 |
// to change without notice. Such APIs should therefore not be used
|
|
sl@0
|
18 |
// outside the Kernel and Hardware Services package.
|
|
sl@0
|
19 |
//
|
|
sl@0
|
20 |
|
|
sl@0
|
21 |
#ifndef __CRASHFLASHNAND_H__
|
|
sl@0
|
22 |
#define __CRASHFLASHNAND_H__
|
|
sl@0
|
23 |
#include <crashflash.h>
|
|
sl@0
|
24 |
|
|
sl@0
|
25 |
class TPib;
|
|
sl@0
|
26 |
class TPibExtension;
|
|
sl@0
|
27 |
|
|
sl@0
|
28 |
/**
|
|
sl@0
|
29 |
The maximum number of bytes in a nand flash main array
|
|
sl@0
|
30 |
@internalTechnology
|
|
sl@0
|
31 |
*/
|
|
sl@0
|
32 |
const TUint KCFNandMaxBytesMain = 512;
|
|
sl@0
|
33 |
|
|
sl@0
|
34 |
/**
|
|
sl@0
|
35 |
An implementation of the CrashFlash interface for nand flash.
|
|
sl@0
|
36 |
@internalTechnology
|
|
sl@0
|
37 |
*/
|
|
sl@0
|
38 |
class CrashFlashNand : public CrashFlash
|
|
sl@0
|
39 |
{
|
|
sl@0
|
40 |
public:
|
|
sl@0
|
41 |
//From CrashFlash
|
|
sl@0
|
42 |
virtual TInt Initialise();
|
|
sl@0
|
43 |
virtual void StartTransaction();
|
|
sl@0
|
44 |
virtual void EndTransaction();
|
|
sl@0
|
45 |
virtual void Write(const TDesC8& aDes);
|
|
sl@0
|
46 |
virtual void WriteSignature(const TDesC8& aDes);
|
|
sl@0
|
47 |
virtual void Read(TDes8& aDes);
|
|
sl@0
|
48 |
virtual void SetReadPos(TUint aPos);
|
|
sl@0
|
49 |
virtual void SetWritePos(const TUint aPos);
|
|
sl@0
|
50 |
virtual void EraseLogArea();
|
|
sl@0
|
51 |
virtual void EraseFlashBlock(const TUint aBlock);
|
|
sl@0
|
52 |
virtual TUint BytesWritten();
|
|
sl@0
|
53 |
#ifdef _CRASHLOG_COMPR
|
|
sl@0
|
54 |
virtual TUint GetOutputLimit(void);
|
|
sl@0
|
55 |
virtual TUint GetLogOffset(void);
|
|
sl@0
|
56 |
#endif
|
|
sl@0
|
57 |
|
|
sl@0
|
58 |
public:
|
|
sl@0
|
59 |
/** @publishedPartner
|
|
sl@0
|
60 |
@released */
|
|
sl@0
|
61 |
virtual TInt GetDeviceId(TUint8& aDeviceId, TUint8& aManufacturerId)=0;
|
|
sl@0
|
62 |
/** @publishedPartner
|
|
sl@0
|
63 |
@released */
|
|
sl@0
|
64 |
virtual TInt DeviceRead(const TUint aPageAddress, TAny* aBuf, const TUint aLength)=0;
|
|
sl@0
|
65 |
/** @publishedPartner
|
|
sl@0
|
66 |
@released */
|
|
sl@0
|
67 |
virtual TInt DeviceWrite(const TUint aPageAddress, TAny* aBuf, const TUint aLength)=0;
|
|
sl@0
|
68 |
/** @publishedPartner
|
|
sl@0
|
69 |
@released */
|
|
sl@0
|
70 |
virtual TInt DeviceErase(const TUint aBlockAddress)=0;
|
|
sl@0
|
71 |
public:
|
|
sl@0
|
72 |
/** @publishedPartner
|
|
sl@0
|
73 |
@released */
|
|
sl@0
|
74 |
TUint iNumPagesPerBlock;
|
|
sl@0
|
75 |
/** @publishedPartner
|
|
sl@0
|
76 |
@released */
|
|
sl@0
|
77 |
TUint iNumBytesMain;
|
|
sl@0
|
78 |
/** @publishedPartner
|
|
sl@0
|
79 |
@released */
|
|
sl@0
|
80 |
TUint iNumBytesSpare;
|
|
sl@0
|
81 |
/** @publishedPartner
|
|
sl@0
|
82 |
@released */
|
|
sl@0
|
83 |
TUint iNumReservoirBlocks;
|
|
sl@0
|
84 |
/** @publishedPartner
|
|
sl@0
|
85 |
@released */
|
|
sl@0
|
86 |
TUint iNumBlocks;
|
|
sl@0
|
87 |
/** @publishedPartner
|
|
sl@0
|
88 |
@released */
|
|
sl@0
|
89 |
TUint iNumBytesPage;
|
|
sl@0
|
90 |
|
|
sl@0
|
91 |
protected:
|
|
sl@0
|
92 |
/** @publishedPartner
|
|
sl@0
|
93 |
@released */
|
|
sl@0
|
94 |
virtual TInt VariantInitialise()=0;
|
|
sl@0
|
95 |
|
|
sl@0
|
96 |
private:
|
|
sl@0
|
97 |
TInt InitialiseFlashParameters(const TUint8 aDevId, const TUint8 aManId);
|
|
sl@0
|
98 |
TInt ReadPib(TPib& aPib, TPibExtension& aPibExtension, TUint& aLastGoodBlock);
|
|
sl@0
|
99 |
TInt ParsePib(TPib& aPib, TPibExtension& aPibExt);
|
|
sl@0
|
100 |
void DoWriteRead();
|
|
sl@0
|
101 |
void DoWrite();
|
|
sl@0
|
102 |
void DoRead();
|
|
sl@0
|
103 |
private:
|
|
sl@0
|
104 |
TBool iIs16Bit;
|
|
sl@0
|
105 |
TUint8 iLogWordSize;
|
|
sl@0
|
106 |
|
|
sl@0
|
107 |
TUint iCrashLogStartBlock;
|
|
sl@0
|
108 |
TUint iNumCrashLogBlocks;
|
|
sl@0
|
109 |
|
|
sl@0
|
110 |
TUint iWriteBufIndex;
|
|
sl@0
|
111 |
TUint iReadBufIndex;
|
|
sl@0
|
112 |
TUint iWritePageIndex;
|
|
sl@0
|
113 |
TUint iReadPageIndex;
|
|
sl@0
|
114 |
TUint iWriteTotal;
|
|
sl@0
|
115 |
|
|
sl@0
|
116 |
TUint8 iWriteBuf[KCFNandMaxBytesMain];
|
|
sl@0
|
117 |
TUint8 iReadBuf[KCFNandMaxBytesMain];
|
|
sl@0
|
118 |
};
|
|
sl@0
|
119 |
|
|
sl@0
|
120 |
#endif
|