nand.h

微软提供的Flash驱动程序

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Module Name:    sdnand.h

Abstract:       FLASH Media Driver Interface Samsung K9F2808UOB NAND Flash Chip
  
Notes:          This files contains the port address, command definitions for
                K9F2808UOB chip on Hornet developement board.


-----------------------------------------------------------------------------*/
#ifndef _SDNAND_
#define _SDNAND_

//  Port Address
#define NAND_CMD_PORT           (IoAddr)
#define NAND_ADDR_PORT          (IoAddr+2)
#define NAND_DATA_PORT          (IoAddr+6)
#define NAND_BUSY_PORT			(IoAddr+8)
#define NAND_CS_PORT			(IoAddr+0xc)

//  Flash Chip Capability

#define NUM_BLOCKS                  1024
#define SECTOR_SIZE                 512
#define SPARE_SIZE                  16

//  NAND Flash Command. This appears to be generic across all NAND flash chips
#define CMD_READ                    0x00        //  Read
#define CMD_READ1                   0x01        //  Read1
#define CMD_READ2                   0x50        //  Read2
#define CMD_READID                  0x90        //  ReadID
#define CMD_READID2                 0x91        //  Read extended ID
#define CMD_WRITE                   0x80        //  Write phase 1
#define CMD_WRITE2                  0x10        //  Write phase 2
#define CMD_ERASE                   0x60        //  Erase phase 1
#define CMD_ERASE2                  0xd0        //  Erase phase 2
#define CMD_STATUS                  0x70        //  Status read
#define CMD_RESET                   0xff        //  Reset

//  Status bit pattern
#define STATUS_READY                0x40        //  Ready
#define STATUS_ERROR                0x01        //  Error

#endif _SDNAND_