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//==========================================================================
//
//      flash.h
//
//      Flash programming - device constants, etc.
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
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// the terms of the GNU General Public License as published by the Free     
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// version.                                                                 
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
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//
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// General Public License v2.                                               
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// ####ECOSGPLCOPYRIGHTEND####                                              
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas
// Date:         2000-07-26
// Purpose:      
// Description:  
//              
//####DESCRIPTIONEND####
//
//==========================================================================
 
#ifndef _FLASH_HWR_H_
#define _FLASH_HWR_H_
 
#define FLASH_Intel_code   0x89
 
#define FLASH_Read_ID      0x00900090
#define FLASH_Read_Query   0x00980098
#define FLASH_Read_Status  0x00700070
#define FLASH_Clear_Status 0x00500050
#define FLASH_Status_Ready 0x00800080
#define FLASH_Write_Buffer 0x00E800E8
#define FLASH_Program      0x00100010
#define FLASH_Block_Erase  0x00200020
#define FLASH_Set_Lock     0x00600060
#define FLASH_Set_Lock_Confirm 0x00010001
#define FLASH_Clear_Locks  0x00600060
#define FLASH_Clear_Locks_Confirm  0x00D000D0
#define FLASH_Confirm      0x00D000D0
#define FLASH_Configure    0x00B800B8
#define FLASH_Configure_ReadyWait      0x00000000
#define FLASH_Configure_PulseOnErase   0x00010001
#define FLASH_Configure_PulseOnProgram 0x00020002
#define FLASH_Configure_PulseOnBoth    0x00030003
#define FLASH_Reset        0x00FF00FF
 
#define FLASH_BLOCK_SIZE   0x40000
 
#define FLASH_Intel_code   0x89
 
#define FLASH_BASE_MASK 0xff000000
 
// Extended query information
struct FLASH_query {
    unsigned char manuf_code;
    unsigned char device_code;
    unsigned char _unused0[14];
    unsigned char id[3];  // Q R Y
    unsigned char _unused1[20];
    unsigned char device_size;
    unsigned char device_interface[2];
    unsigned char buffer_size[2];
    unsigned char is_block_oriented;
    unsigned char num_regions[2];
    unsigned char region_size[2];
};
 
#define ATLAS_SFWCTRL *((volatile unsigned *)0xbf000700)
#define ATLAS_WEN_MAGIC 0xc7
 
#define FLASH_WRITE_ENABLE()   (ATLAS_SFWCTRL = ATLAS_WEN_MAGIC)
#define FLASH_WRITE_DISABLE()  (ATLAS_SFWCTRL = 0)
 
#endif  // _FLASH_HWR_H_