flash.h

基于ecos的redboot

//==========================================================================
//
//      flash.h
//
//      Flash programming - device constants, etc.
//
//==========================================================================
//####COPYRIGHTBEGIN####
//                                                                          
// -------------------------------------------                              
// The contents of this file are subject to the Red Hat eCos Public License 
// Version 1.1 (the "License"); you may not use this file except in         
// compliance with the License.  You may obtain a copy of the License at    
// http://www.redhat.com/                                                   
//                                                                          
// Software distributed under the License is distributed on an "AS IS"      
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
// License for the specific language governing rights and limitations under 
// the License.                                                             
//                                                                          
// The Original Code is eCos - Embedded Configurable Operating System,      
// released September 30, 1998.                                             
//                                                                          
// The Initial Developer of the Original Code is Red Hat.                   
// Portions created by Red Hat are                                          
// Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.                             
// All Rights Reserved.                                                     
// -------------------------------------------                              
//                                                                          
//####COPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    lagarwal
// Contributors:
// Date:         2002-03-08
// Purpose:      
// Description:  contains defines for 3 volt intel strata flash part
//              
//####DESCRIPTIONEND####
//
//==========================================================================

#ifndef _FLASH_HWR_H_
#define _FLASH_HWR_H_

#include <cyg/hal/hal_ixdp2400.h> 

// flash base address.
#define FLASH_BASE SLOW_PORT_BASE

#define FLASH_Intel_code   0x89

#define FLASH_Read_ID      0x90
#define FLASH_Read_Query   0x98
#define FLASH_Read_Status  0x70
#define FLASH_Clear_Status 0x50
#define FLASH_Status_Ready 0x80
#define FLASH_Write_Buffer 0xE8
#define FLASH_Program      0x10
#define FLASH_Block_Erase  0x20
#define FLASH_Set_Lock     0x60
#define FLASH_Set_Lock_Confirm 0x01
#define FLASH_Clear_Locks  0x60
#define FLASH_Clear_Locks_Confirm  0xD0
#define FLASH_Confirm      0xD0
#define FLASH_Configure    0xB8
#define FLASH_Configure_ReadyWait      0x00
#define FLASH_Configure_PulseOnErase   0x01
#define FLASH_Configure_PulseOnProgram 0x02
#define FLASH_Configure_PulseOnBoth    0x03
#define FLASH_Reset        0xFF

#define FLASH_BLOCK_SIZE   0x20000

#endif  // _FLASH_HWR_H_