board.h

VxWorks平台下的Intel的28F320C3 Flash的初始化、读写等源代码。

/**********************************************************************
 chengjy@felab, copyright 2002-2004
 board.h
 flash操作常数定义
 **********************************************************************/
#ifndef _BOARD_H
#define _BOARD_H

/*~~~~~~~~~~~~~~~~~~~~板子工作环境~~~~~~~~~~~~~~~~~~~~*/
struct BoardWorkEnv
{
	int	boardInit;				/*boardInit单个位用来表示初始化状态*/
};

#define BOARD_FLASH_INITED				0x08

/*定义单板状态*/
#define STATUS_NORMAL			0x00
#define STATUS_ERROR			0x01
#define STATUS_WARNING		0x02
#define STATUS_INVALID			0x03
#define STATUS_UNAVAILABLE		0x04
#define STATUS_DISABLE			0x05

/*~~~~~~~~~~~~~~~~~~~FLASH 相关参数~~~~~~~~~~~~~~~~~~~~~*/

/*FLASH地址空间*/
#define FLASH_BASE_ADDR			((UINT)0xFF000000)		/*FLASH起始地址*/
#define FLASH_DATA_BLOCK_NUM		63						/*实际包含63块*/
#define FLASH_DATA_BLOCK_SIZE_W	 ((UINT)0x00008000)		/*单片容量,单位WORD*/
#define FLASH_DATA_CPU				1		/*vxWorks存放的block,main block0和8个para block空出*/
#define FLASH_DATA_BOOTLINE		30		/*bootline存放的block*/
 
/*FLASH操作参数*/
#define FLASH_VALUE					unsigned short					/*FLASH 位宽16bit*/

/*flash字序*/
#define FLASH_CHANGE_ORDER		/*由于笔者使用测试板的数据线接成bit0<->bit7,bit1<->bit6,因此定义此宏，用户可以使用undef或者直接注释掉此宏*/
 
#ifndef FLASH_CHANGE_ORDER		/*使用宏直接改变*/
 /*FLASH状态转换参数*/
#define FLASH_CC_RESERVED			((FLASH_VALUE)0x0000)
#define FLASH_CC_READ_ARRAY		((FLASH_VALUE)0x00FF)
#define FLASH_CC_PROGRAM_SETUP	((FLASH_VALUE)0x0040)
#define FLASH_CC_ALTERPROG_SETUP	((FLASH_VALUE)0x0010)
#define FLASH_CC_ERASE_SETUP		((FLASH_VALUE)0x0020)
#define FLASH_CC_ERASE_CONFIRM	((FLASH_VALUE)0x00D0)
#define FLASH_CC_RESUME			((FLASH_VALUE)0x00D0)
#define FLASH_CC_SUSPEND			((FLASH_VALUE)0x00B0)
#define FLASH_CC_READ_STATUS		((FLASH_VALUE)0x0070)
#define FLASH_CC_CLEAR_STATUS		((FLASH_VALUE)0x0050)
#define FLASH_CC_READ_IDENTIFY	((FLASH_VALUE)0x0090)
#define FLASH_CC_READ_QUERY		((FLASH_VALUE)0x0098)
#define FLASH_CC_CONFIG_SETUP		((FLASH_VALUE)0x0060)
#define FLASH_CC_CONFIG_CONFIRM	((FLASH_VALUE)0x00D0)

/*状态寄存器检测*/
#define FLASH_CC_SET_CHECK1		((FLASH_VALUE)0x0080)	/*program结束*/
#define FLASH_CC_SET_CHECK2		((FLASH_VALUE)0x001A)	/*program可能出错的位置*/
#define FLASH_CC_ERASE_CHECK1		((FLASH_VALUE)0x0080)	/*erase结束*/
#define FLASH_CC_ERASE_CHECK2		((FLASH_VALUE)0x0010)	/*erase可能出错的位置*/

/*FLASH芯片类型*/
#define FLASH_28F320C3_ID			((FLASH_VALUE)0x0089)	
#define FLASH_28F320C3_IDENT_T 	((FLASH_VALUE)0x88C4)
#define FLASH_28F320C3_IDENT_B 	((FLASH_VALUE)0x88C5)

#else	/*defined FLASH_CHANGE_ORDER,不使用宏，用于第二版*/

/*FLASH状态转换参数*/
#define FLASH_CC_RESERVED			((FLASH_VALUE)0x0000)
#define FLASH_CC_READ_ARRAY		((FLASH_VALUE)0xFF00)
#define FLASH_CC_PROGRAM_SETUP	((FLASH_VALUE)0x0200)
#define FLASH_CC_ALTERPROG_SETUP	((FLASH_VALUE)0x0800)
#define FLASH_CC_ERASE_SETUP		((FLASH_VALUE)0x0400)
#define FLASH_CC_ERASE_CONFIRM	((FLASH_VALUE)0x0B00)
#define FLASH_CC_RESUME			((FLASH_VALUE)0x0B00)
#define FLASH_CC_SUSPEND			((FLASH_VALUE)0x0D00)
#define FLASH_CC_READ_STATUS		((FLASH_VALUE)0x0E00)
#define FLASH_CC_CLEAR_STATUS		((FLASH_VALUE)0x0A00)
#define FLASH_CC_READ_IDENTIFY	((FLASH_VALUE)0x0900)
#define FLASH_CC_READ_QUERY		((FLASH_VALUE)0x1900)
#define FLASH_CC_CONFIG_SETUP		((FLASH_VALUE)0x0600)
#define FLASH_CC_CONFIG_CONFIRM	((FLASH_VALUE)0x0B00)

/*状态寄存器检测*/
#define FLASH_CC_SET_CHECK1		((FLASH_VALUE)0x0100)
#define FLASH_CC_SET_CHECK2		((FLASH_VALUE)0x5800)
#define FLASH_CC_ERASE_CHECK1		((FLASH_VALUE)0x0100)
#define FLASH_CC_ERASE_CHECK2		((FLASH_VALUE)0x0800)

/*FLASH芯片类型*/
#define FLASH_28F320C3_ID			((FLASH_VALUE)0x9100)
#define FLASH_28F320C3_IDENT_T 	((FLASH_VALUE)0x2311)
#define FLASH_28F320C3_IDENT_B 	((FLASH_VALUE)0xA311)
#endif	/*FLASH_CHANGE_ORDER*/

/*flash地址转换到cpu地址*/
#define FLASH2CPU_ADDR(flashAddr)	((FLASH_VALUE*)((UINT)(flashAddr)*8+FLASH_BASE_ADDR))

/*flash操作最长时间*/
#define FLASH_ERASE_BLOCK_TIME	5000		/*最多50000次*/

#endif	/*_BOARD_H*/