flash_api.h

SAMSUNG 5009的源代码

/******************************************************************************
 *   Filename    : Flash_api.h
 *   Start       : 2004. 4. 28
 *   By          : Taejin Kwon
 *   Contact     : [e-mail]
 *   Description : 
 ******************************************************************************
 */
#ifndef	_FLASH_API_H_
#define	_FLASH_API_H_

#ifdef	__cplusplus
extern "C" {
#endif

#define _SUPPORT_16BIT_BFLASH			0 /* support 16bit flash memory or not... */
#define _FLASH_DEBUG					0

#define _NEW_FLASH_IMAGE_				0 /* for Lab Tool interface */

#define FLASH_BASE_ADDR					0x20000000
#define FLASH_ERASE_CHECK_COUNT			2000

#define _4MBIT					524288
#define _8MBIT					1048576
#define _16MBIT					2097152


typedef enum {
#if _SUPPORT_16BIT_BFLASH
	SST_39VF160,
	SST_39VF800,
	SST_39VF400,
#endif
	SST_39VF040,
	SST_39VF080,
	FUJ_29LV800T,
	FUJ_29LV800B,
	ES_29LV800T,
	ES_29LV800B,
	EN_29LV800T,
	EN_29LV800B,
	A_29L400T,
	A_29L400B,
	A_29L800T,
	A_29L800B,
	S_29AL016MT,
	S_29AL016MB,
	S_29AL008DT,
	S_29AL008DB,
	M29W160ET,
	M29W160EB,
	M29W800ET,
	M29W800EB,
	SST_39VF088,
	S_FUNAI,
	NUM_OF_FLASH_SUPPORTED
} Flash_type_et;

typedef enum {
	FLASH_8BIT,
	FLASH_16BIT
} Flash_bit_et;

typedef enum {
	FLASH_CMD_SST,
	FLASH_CMD_SST_8,
	FLASH_CMD_FUJ,
	FLASH_CMD_FUJ_8	
} Flash_cmd_et;

/*
	add eeprom_block for increase num of eeprom block.
	2006.04.25. by CKLee.
*/
typedef struct {
#if _FLASH_DEBUG	
	NCHAR*			string;
#endif
	UINT			max_size;
	UCHAR			id1;
	USHORT			id2;
	Flash_bit_et	bit;
	UINT			id2_adr;
	Flash_cmd_et	cmd_type;
	UINT			last_adr[2];
	UINT			eeprom_block;
} Flash_type_st;


typedef unsigned short FLASH16;
typedef unsigned char FLASH8;

extern Flash_type_et 			gFlashType;
extern CONST Flash_type_st 		gFlash[];
#define FLASH_DEVICE_SIZE		gFlash[gFlashType].max_size
#define FLASH_ID				gFlash[gFlashType].id1
#define FLASH_ID2				gFlash[gFlashType].id2
#define FLASH_BIT				gFlash[gFlashType].bit
#define FLASH_ID2_ADR			gFlash[gFlashType].id2_adr
#define FLASH_CMDTYPE			gFlash[gFlashType].cmd_type

/*
 * To support flash device emulate EEPROM
 *	Flash read routine changed in two block.
 *	Because there are some FLASH device's last sector size is not same with
 *	SST type. To cover this problem, flash addressing is based on each
 *	flash device type defined in gFlash array.
 *
 *	2005.11.10 TJ
 */
#define FLASH_ADDR_EEPROM_0				gFlash[gFlashType].last_adr[0]
#define FLASH_ADDR_EEPROM_1				gFlash[gFlashType].last_adr[1]

/*
	index change to 32bit for increase num of eeprom block.
	2006.04.25. by CKLee.
*/
#define FLASH_EEPROM_MAX_BLOCKS			gFlash[gFlashType].eeprom_block
#define FLASH_EEPROM_MAX_SECTORS		2
#define FLASH_EEPROM_SIZE				128
#define FLASH_EEPROM_VALID_ID			0x5A


#define FIRM_PADDING_SIZE		16
#define FLASH_BLOCK_SIZE		32768   
#define FLASH_SECTOR_SIZE		8192




Flash_type_et FLASH_detectDevice(VOID);
BOOL FLASH_eraseEntireFlash( VOID );
BOOL FLASH_writeFirmImage( UINT  *addr );
BOOL FLASH_readFromFlash( UINT *dst, UINT *recover_size );
BOOL FLASH_verifyFlashImage( UINT *src, UINT *dst, UINT size );
BOOL FLASH_readEepromImage( UCHAR *dst, UINT size );
BOOL FLASH_writeEepromImage( UINT  *addr, UINT size );
BOOL FLASH_eraseOneSector( USHORT *Dst );
VOID FLASH_updateFirmware( UINT *src );

#ifdef	__cplusplus
}
#endif

#endif //	_FLASH_API_H_