2006-08-12 08:01:54 +00:00
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Linus Nielsen Feltzing
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*
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2008-06-28 18:10:04 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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2006-08-12 08:01:54 +00:00
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef ATA_TARGET_H
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#define ATA_TARGET_H
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2008-12-08 23:31:05 +00:00
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#ifdef BOOTLOADER
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#define ATA_DRIVER_CLOSE
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#endif
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2006-08-12 08:01:54 +00:00
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/* Plain C read & write loops */
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2006-12-29 02:49:12 +00:00
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#define PREFER_C_READING
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#define PREFER_C_WRITING
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2007-01-04 11:35:09 +00:00
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#if !defined(BOOTLOADER)
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#define ATA_OPTIMIZED_READING
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void copy_read_sectors(unsigned char* buf, int wordcount);
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#endif
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2006-08-12 08:01:54 +00:00
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#define ATA_IOBASE 0x18000000
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#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE)))
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#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0x02)))
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#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x04)))
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#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x06)))
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#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x08)))
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#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x0A)))
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#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0x0C)))
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#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0x0E)))
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#define ATA_CONTROL (*((volatile unsigned char*)(0x20000000 + 0x1C)))
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void ata_reset(void);
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void ata_device_init(void);
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bool ata_is_coldstart(void);
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#endif
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