flash.h

此压缩包为杰得开发得z228的BSP的源代码,可以实现很多功能,尤其是视频解码有很好的效果.

/***************************************************************************
*   File:    flash.h  -   Common definition for FLASH
* 
*   The content of this file or document is CONFIDENTIAL and PROPRIETARY
*   to Jade Technologies Co., Ltd.  It is subject to the terms of a
*   License Agreement between Licensee and Jade Technologies Co., Ltd.
*   restricting among other things, the use, reproduction, distribution
*   and transfer.  Each of the embodiments, including this information 
*   and any derivative work shall retain this copyright notice.
* 
*   Copyright (c) 2005 Jade Technologies Co., Ltd. 
*   All rights reserved.
****************************************************************************/
#ifndef _FLASH_H
#define _FLASH_H

#include <platform.h>	// hardware information of arm 926 board
#include <windows.h>
#include <ceddk.h>
#include <types.h>
#include <excpt.h>
#include <tchar.h>
#include <devload.h>
#include <diskio.h>
#include <storemgr.h>
#include <pm.h>
#include <pkfuncs.h>

//---------------------------------------------------------------
// Common Macros
//---------------------------------------------------------------
#define MSG_SYS			0
#define MSG_FUNCS		0
#define MSG_DATA		0
#define MSG_DISK		0

#define  TOTAL_FLASH_SIZE               0x200*0x400    // 512k
#define  START_FLASH_ADDR              0xC4000000  
#define  FLASH_OFFSET                       0x20000      //128k
#define  BYTES_PER_SECTOR	        0x1000
#define  BYTES_PER_BLOCK		0x1000
#define	 CRC_SAVE_OFFSET		0x1C000

#define  BASE_FLASH_ADDR		(START_FLASH_ADDR + FLASH_OFFSET)      //0xC4020000
#define  USERDEF_SIZE		        (TOTAL_FLASH_SIZE - FLASH_OFFSET)      //384k

#define SST_ID                       0xBF    /* SST Manufacturer's ID code   */
#define SST_39VF040                  0xD7    /* SST 39VF040 device code      */

#define FLASH(address)              (*(volatile unsigned char *)(address))
#define FLASH_COMMAND(base,cmd)     (FLASH(base + dwBlockStartAddr) = (cmd)) 
#define FLASH_DATA(base,cmd)     (FLASH(base) = (cmd)) 

#define CACHE_FLAG_NULL	0xFFFFFFFF


//-------------------------------------------------------------------------------
// Functions Declaration
//-------------------------------------------------------------------------------
#ifdef __cplusplus
extern "C"
{
#endif

int FLA_cfi_set_lock_bits (unsigned long address);
int FLA_cfi_clear_lock_bits (unsigned long address);

int FLA_cfi_write_byte (unsigned long address, unsigned char byte);
int FLA_cfi_read_byte (unsigned long address, unsigned char * pbyte);
int FLA_cfi_erase_block (unsigned long address);
void FLA_cfi_erase_chip (void);


int FLA_DoDiskIO(unsigned long Opcode, PSG_REQ pSgr);
BOOL FLA_GetFolderName(LPWSTR ActivePath, LPWSTR FolderName, unsigned long cBytes, unsigned long * pcBytes);
BOOL FLA_GetDeviceInfo(PSTORAGEDEVICEINFO pInfo);
unsigned short CRC_Calculate(unsigned char *pBuf, int length);

#ifdef __cplusplus
}
#endif

#endif