sysflash.h

WINDRIVER SBC7410 BSP

/* sysFlash.h - wrSbc7410 system flash header file */

/* Copyright 1984-2002 Wind River Systems, Inc. */

/*
modification history
--------------------
01a,07may02,gtf modified for wrSbc7410 bsp.
*/

/*
This file contains various definitions for the Intel Strataflash
driver for the wrSbc7410 processor board.
*/
#ifndef _sysFlash_H_
#define _sysFlash_H_

#ifdef __cplusplus
extern "C" {
#endif

/* Flash types */

#define INTEL28F320_SECTOR_SZ   (UINT32)0x20000*2 /* 128KB x 2 in x16 mode */
#define INTEL28F320_NUM_SECTORS (32-4)
#define INTEL28F320_SIZE		(UINT32)(INTEL28F320_SECTOR_SZ * INTEL28F320_NUM_SECTORS)

#define INTEL28F640_SECTOR_SZ   (UINT32)0x20000*2 /* 128KB x 2 in x16 mode */
#define INTEL28F640_NUM_SECTORS (64-4)
#define INTEL28F640_SIZE		(UINT32)(INTEL28F640_SECTOR_SZ * INTEL28F640_NUM_SECTORS)

#define INTEL28F128_SECTOR_SZ   (UINT32)0x20000*2 /* 128KB x 2 in x16 mode */
#define INTEL28F128_NUM_SECTORS (128-4)
#define INTEL28F128_SIZE		(UINT32)((UINT32)INTEL28F128_SECTOR_SZ * (UINT32)INTEL28F128_NUM_SECTORS)

/* NOTE: each chip is x16 and has 128 128KB se397ctors.
   There are 2 chips hooked up in parallel making a 128*2 = 256KB logical sector.
   There are 64 of these sectors for 16MB of flash or 4 sectors per 1MB of flash.
   Sectors 60-63 are the last 1MB of flash where the boot code is loaded and
   are reserved. */

/* 128KB * 2 chips = 256KB per logical sector */

#define INTEL_MFGR_ID			0x00890089
#define INTEL28F320_DEVICE_ID   0x00160016
#define INTEL28F640_DEVICE_ID 	0x00170017
#define INTEL28F128_DEVICE_ID   0x00180018

#define INTEL28F640_BASE_ADRS 	(UINT32)FLASH_BASE_ADRS

#define TFFS_DEVICE_SECTOR_SZ	INTEL28F640_SECTOR_SZ 

#ifndef _ASMLANGUAGE
typedef union _FlashWord
    {
	unsigned char  c[4] ;
	unsigned short s[2] ;
	unsigned long  l ;
	} FlashWord ;
#endif

IMPORT STATUS  sysFlashGet (char *string, int strLen, int offset) ;
IMPORT STATUS  sysFlashSet (char *string, int strLen, int offset) ;

IMPORT int checkStatusIntel(UINT32 status1) ;
IMPORT STATUS sysFlashReadIdIntel(volatile FlashWord *adrs) ;
IMPORT STATUS sysBlockLockStatusIntel(FlashWord * adrs) ;
IMPORT STATUS sysFlashPollDataIntel(FlashWord * adrs) ;
IMPORT STATUS sysFlashSectorEraseIntel(char *sectorAdrs) ;
IMPORT STATUS sysFlashChipEraseIntel(void) ;
IMPORT STATUS sysFlashSectorWriteBufferIntel(FlashWord *adrs, char * buf, int len) ;
IMPORT STATUS sysFlashSectorLockIntel(char *adrs) ;
IMPORT STATUS sysFlashSectorUnlockIntel(void) ;
IMPORT STATUS sysFlashSectorWriteIntel(char * adrs, char * buf, int len) ;
IMPORT STATUS sysFlashEraseStrataflash(UINT8 * sectorAdrs) ;
IMPORT STATUS sysFlashWriteStrataflash( UINT8 * sectorAdrs, UINT8 * buffer, int length) ;
IMPORT STATUS sysFlashWriteBufferStrataflash( UINT8 * sectorAdrs, UINT8 * buffer, int length) ;
#ifdef __cplusplus
}
#endif
#endif /* _sysFlash_H_ */