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phoenix |
//==========================================================================
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//
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// ide.h
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//
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// IDE Interface Driver Tables for RedBoot
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): msalter
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// Contributors: msalter
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// Date: 2001-07-06
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// Purpose:
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// Description:
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//
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// This code is part of RedBoot (tm).
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#ifndef CYGONCE_REDBOOT_IDE_H
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#define CYGONCE_REDBOOT_IDE_H
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// IDE Register Indices
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#define IDE_REG_DATA 0
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#define IDE_REG_ERROR 1
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#define IDE_REG_FEATURES 1
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#define IDE_REG_COUNT 2
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#define IDE_REG_REASON 2 // ATAPI
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#define IDE_REG_LBALOW 3
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#define IDE_REG_LBAMID 4
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#define IDE_REG_LBAHI 5
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#define IDE_REG_DEVICE 6
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#define IDE_REG_STATUS 7
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#define IDE_REG_COMMAND 7
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#define IDE_STAT_BSY 0x80
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#define IDE_STAT_DRDY 0x40
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#define IDE_STAT_SERVICE 0x10
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#define IDE_STAT_DRQ 0x08
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#define IDE_STAT_CORR 0x04
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#define IDE_STAT_ERR 0x01
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#define IDE_REASON_REL 0x04
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#define IDE_REASON_IO 0x02
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#define IDE_REASON_COD 0x01
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//
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// Drive ID offsets of interest
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//
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#define IDE_DEVID_GENCONFIG 0
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#define IDE_DEVID_SERNO 20
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#define IDE_DEVID_MODEL 54
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#define IDE_DEVID_LBA_CAPACITY 120
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struct ide_priv {
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cyg_uint8 controller;
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cyg_uint8 drive;
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cyg_uint16 flags;
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};
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/* flag values */
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#define IDE_DEV_PRESENT 1 // Device is present
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#define IDE_DEV_PACKET 2 // Supports packet interface
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#define IDE_DEV_ADDR48 3 // Supports 48bit addressing
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#define CDROM_SECTOR_SIZE 2048
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#define SECTORS_PER_CDROM_SECTOR (CDROM_SECTOR_SIZE/SECTOR_SIZE)
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#endif // CYGONCE_REDBOOT_IDE_H
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