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//==========================================================================
//
// ide.h
//
// IDE Interface Driver Tables for RedBoot
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, 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
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): msalter
// Contributors: msalter
// Date: 2001-07-06
// Purpose:
// Description:
//
// This code is part of RedBoot (tm).
//
//####DESCRIPTIONEND####
//
//==========================================================================
#ifndef CYGONCE_REDBOOT_IDE_H
#define CYGONCE_REDBOOT_IDE_H
// IDE Register Indices
#define IDE_REG_DATA 0
#define IDE_REG_ERROR 1
#define IDE_REG_FEATURES 1
#define IDE_REG_COUNT 2
#define IDE_REG_REASON 2 // ATAPI
#define IDE_REG_LBALOW 3
#define IDE_REG_LBAMID 4
#define IDE_REG_LBAHI 5
#define IDE_REG_DEVICE 6
#define IDE_REG_STATUS 7
#define IDE_REG_COMMAND 7
#define IDE_STAT_BSY 0x80
#define IDE_STAT_DRDY 0x40
#define IDE_STAT_SERVICE 0x10
#define IDE_STAT_DRQ 0x08
#define IDE_STAT_CORR 0x04
#define IDE_STAT_ERR 0x01
#define IDE_REASON_REL 0x04
#define IDE_REASON_IO 0x02
#define IDE_REASON_COD 0x01
//
// Drive ID offsets of interest
//
#define IDE_DEVID_GENCONFIG 0
#define IDE_DEVID_SERNO 20
#define IDE_DEVID_MODEL 54
#define IDE_DEVID_LBA_CAPACITY 120
struct ide_priv {
cyg_uint8 controller;
cyg_uint8 drive;
cyg_uint16 flags;
};
/* flag values */
#define IDE_DEV_PRESENT 1 // Device is present
#define IDE_DEV_PACKET 2 // Supports packet interface
#define IDE_DEV_ADDR48 3 // Supports 48bit addressing
#define CDROM_SECTOR_SIZE 2048
#define SECTORS_PER_CDROM_SECTOR (CDROM_SECTOR_SIZE/SECTOR_SIZE)
#endif // CYGONCE_REDBOOT_IDE_H
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