flash.h

嵌入式系统 EP93xx处理器

//****************************************************************************
//
// FLASH.h - The common flash declaration for ep93xx
//
// Copyright (c) 2006 Cirrus Logic, Inc.
//
//****************************************************************************

#ifndef FLASH_H
#define FLASH_H

#ifdef __cplusplus
extern "C" {
#endif

//*****************************************************************************
//
// Flash ManufactureId Information declareation 
//
//*****************************************************************************
typedef struct sFlashManufactureId {
    unsigned short      manufacture_id;
    char    		manufacture_name[20];
    
 } FlashManufactureId_t;


//*****************************************************************************
//
// Flash Erase Block Information declareation 
// Only for Boot block
//
//*****************************************************************************
typedef struct EraseBlockInfo {
    unsigned long               blocks;
    unsigned long               block_size;
} EraseBlockInfo_t;

//*****************************************************************************
//
// CFI flash info declareation
//
//*****************************************************************************
typedef struct CFIQuery {
    unsigned long               DeviceSize;            /* 4 byte */
    unsigned long               NumEraseBlocks;        /* 4 byte */
    struct EraseBlockInfo       sBlockInfo[4];
} CFIQuery_t;

//****************************************************************************
//
// Flash info declaration
//
//****************************************************************************
typedef struct FlashInfo {
    unsigned short              ManufactureId;
    unsigned short              DeviceId[4];

    unsigned short              ByteWidth;

    unsigned long               FlashBase;
    unsigned long               SysConBase;
    
    struct CFIQuery             *pQuery;
} FlashInfo_t;

//****************************************************************************
//
//    Flash struct declaration
//
//****************************************************************************
typedef struct FlashOps {
    int (*FlashQuery)(struct FlashInfo *pInfo);
    int (*FlashErase)(struct FlashInfo *pInfo, int iOffset, int len);
    int (*FlashProgram)(struct FlashInfo *pInfo, int iOffset, void *data, int len);  
} FlashOps_t;

#ifdef __cplusplus
}
#endif

#endif /*FLASH_H*/