flash1.h

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C头文件 代码 · 共 116 行

#ifndef __FLASH_H__
#define __FLASH_H__
//
// Define flash memory command set
//
#define ERASE_SETUP             0x20
#define PROGRAM_SETUP           0x40
#define CLEAR_STATUS_REGISTER   0x50
#define READ_STATUS_REGISTER    0x70
#define INTELLIGENT_IDENTIFIER  0x90
#define ERASE_SUSPEND           0xb0
#define ERASE_RESUME            0xd0
#define READ_ARRAY              0xff

#define ExtendCmd32(x) (((x)<<24)|((x)<<16)|((x)<<8)|(x))

#define ERASE_SETUP32					ExtendCmd32(ERASE_SETUP)
#define PROGRAM_SETUP32					ExtendCmd32(PROGRAM_SETUP)
#define CLEAR_STATUS_REGISTER32			ExtendCmd32(CLEAR_STATUS_REGISTER)
#define READ_STATUS_REGISTER32			ExtendCmd32(READ_STATUS_REGISTER)
#define INTELLIGENT_IDENTIFIER32		ExtendCmd32(INTELLIGENT_IDENTIFIER)
#define ERASE_SUSPEND32					ExtendCmd32(ERASE_SUSPEND)
#define ERASE_RESUME32					ExtendCmd32(ERASE_RESUME)
#define READ_ARRAY32					ExtendCmd32(READ_ARRAY)

#define FLASH_WRITE_CMD     WRITE_REGISTER_ULONG
#define FLASH_READ_CMD      READ_REGISTER_ULONG
#define FLASH_STATUS(reg,mask)		(FLASH_READ_CMD((reg)) & (mask))

// Define status register

typedef struct _FM_STATUS {
    UCHAR Reserved : 3;
    UCHAR VPPS : 1;
    UCHAR PS : 1;
    UCHAR ES : 1;
    UCHAR ESS : 1;
    UCHAR WSMS : 1;
} FM_STATUS, *PFM_STATUS;


#define FM_WSMS     0x80
#define FM_ESS      0x40
#define FM_ES       0x20
#define FM_PS       0x10
#define FM_VPPS     0x08	// jshih ??? 0x04

#define FM_ERROR_MASK    FM_VPPS|FM_PS|FM_ES|FM_ESS

#define ExtendStatus32(x) (((x)<<16)|(x))

#define FM_WSMS32			ExtendStatus32(FM_WSMS)
#define FM_ESS32			ExtendStatus32(FM_ESS)
#define FM_ES32				ExtendStatus32(FM_ES)
#define FM_PS32				ExtendStatus32(FM_PS)
#define FM_VPPS32			ExtendStatus32(FM_VPPS)
#define FM_ERROR_MASK32		ExtendStatus32(FM_ERROR_MASK)

//
// Time constants (unit in second)
//
#define PROGRAM_TIMEOUT       20        // Timeout value of write operation
#define ERASE_TIMEOUT         400       // Timeout value of block erase operation


//
// Flash memory error condition
//
typedef enum _FM_ERROR {

    Fm_No_Error,
    Vpp_Low,
    Program_Error,
    Program_Timeout,
    Command_Sequence_Error,
    Block_Erase_Error,
    Block_Erase_Timeout,
    Address_Overflow

} FM_ERROR;


//
// Flash memory chip despcriptor
//
typedef struct _FLASH_DESCRIPTOR {

   BYTE     ManufactureCode;
   BYTE     DeviceCode;
   UINT     NumberOfBlocks;
   UINT     InterfaceWidth;
   UINT     TotalSize;
   ADDRESS* BlockEnd;

} FLASH_DESCRIPTOR, *PFLASH_DESCRIPTOR;



//
// Chip description table
//

#define NUMBER_OF_SUPPORTED_DEVICE 3

#define INTEL_28F008SA  0
#define INTEL_28F016SV  1
#define INTEL_28F0640J5 2


extern ADDRESS BlockEnd_28F008SA1[];
extern ADDRESS BlockEnd_28F016SV1[];
extern ADDRESS BlockEnd_28F0640J51[];

extern FLASH_DESCRIPTOR _fd1[];

#endif // __FLASH_H__