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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 Red Hat, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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// You should have received a copy of the GNU General Public License along

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// or inline functions from this file, or you compile this file and link it

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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_