fl_amphilips.h

NXP需要外扩FLASH产品(比如LPC22XX)的外部FLASH烧写操作.

/*
 * $Revision: 1.1 $
 *   $Author: mechavar $
 *     $Date: 2000/06/19 18:53:18 $
 *
 * Copyright (c) 1999 ARM, INC.
 * All rights reserved
 *
 */


/******************************************************************************
**   
**             
******************************************************************************/

#ifndef fl_AMphilips_h
#define fl_AMphilips_h

#define EPROM_BASE              (0x80000000)

#define	ROM_PROTECT_LIMIT	(EPROM_BASE + 0x0000)
#define	ADDR_TOO_LOW		(1)
#define	ADDR_TOO_HI		(2)
#define	ADDR_PROTECTED		(3)


#define SECTOR_SIZE		(0x2000) /* 8K */
#define	AM_SECTOR_SIZE	SECTOR_SIZE

#ifdef	MAX_SECTOR_SIZE
#undef	MAX_SECTOR_SIZE
#endif

#define MAX_SECTOR_SIZE         SECTOR_SIZE
#define NUM_SECTORS_400		(0x80)
#define NUM_SECTORS_800		(0x100)
#define NUM_SECTORS_160		(0x200)


#define	BLOCK_SIZE		(0x20000)	/* 64K */
#define NUM_BLOCKS_400		(8)
#define NUM_BLOCKS_800		(16)
#define NUM_BLOCKS_160		(32)

#define MAN_AMD			0x01
#define AM29LV800_ID	0x225B
#define AM29D800_ID	    0x224A

#define MAN_SST				0xBF
#define SST_SST39VF160_ID	0x2782



/* Command codes for the flash_command routine */
#define FLASH_SELECT    0       /* no command; just perform the mapping */
#define FLASH_RESET     1       /* reset to read mode, SW ID exit */
#define FLASH_READ      1       /* reset to read mode, by any other name */
#define FLASH_AUTOSEL   2       /* autoselect, SW ID entry */
#define FLASH_PROG      3       /* program a word */
#define FLASH_CERASE    4       /* chip erase */
#define FLASH_BERASE    5       /* block erase */
#define FLASH_SERASE    6       /* sector erase */
#define FLASH_LASTCMD   6	/* used for parameter checking */

/* Return codes from flash_status */
#define STATUS_READY    0       /* ready for action */
#define STATUS_BUSY     1       /* operation in progress */
#define STATUS_ERROR    2       /* unclassified but unhappy status */

/* Low level flash device Instructions and Commands */

//#define	FL_RESET		0x00F000F0

				/* Generic command bus cycle addresses */
/* All addresses reflect 16 bit accesses */
//#define FL_SEQ_ADD_1		0x5555//0x555
//#define FL_SEQ_ADD_2		0x2AAA//0x2AA
//#define FL_SEQ_ADD_3		0x5555//0x555

				/* Generic command bus cycle data */
//#define FL_WORD_COM_1		0xAAAAAAAA
//#define FL_WORD_COM_2		0x55555555

				/* Command specific data for cycle 3 */
//#define	FL_AUTO_SELECT		0x00900090//0x90
//#define	FL_PROGRAM		0x00A000A0//00xA0

				/* Erase function addresses and data */
//#define	FL_ERASE_ADD_4		0x5555
//#define	FL_ERASE_ADD_5		0x2AAA
//#define	FL_CHIP_ERASE_ADD_6	0x5555

/*#define	FL_ERASE_3		0x00800080
#define	FL_ERASE_4		0x00AA00AA
#define	FL_ERASE_5		0x00550055
#define	FL_SECTOR_ERASE_6	0x00300030
#define	FL_BLOCK_ERASE_6	0x00500050
#define	FL_CHIP_ERASE_6		0x00100010*/

/* Macros */

//#define GET_ROM_SIZE()	(MAX_SECTOR_SIZE * NUM_SECTORS_400)
#define GET_ROM_SIZE()	(MAX_SECTOR_SIZE * NUM_SECTORS_160)
#define	GET_SECTOR_START(a)	((a)&~(AM_SECTOR_SIZE-1))

#endif