e4dbcc414b
- ata.h is for users of ata.c - ata-driver.h is for functions implemented by target-specific code and used by ata.c - ata-target.h is for target-specific defines git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31182 a1c6a512-1295-4272-9138-f99709370657
46 lines
2 KiB
C
46 lines
2 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2006 by Linus Nielsen Feltzing
|
|
*
|
|
* This program 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
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#ifndef ATA_TARGET_H
|
|
#define ATA_TARGET_H
|
|
|
|
/* asm optimised read & write loops */
|
|
#define ATA_OPTIMIZED_READING
|
|
#define ATA_OPTIMIZED_WRITING
|
|
|
|
#define ATA_IOBASE 0x20000000
|
|
#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE + 0x20)))
|
|
#define ATA_CONTROL (*((volatile unsigned short*)(ATA_IOBASE + 0x1c)))
|
|
|
|
#define ATA_ERROR (*((volatile unsigned short*)(ATA_IOBASE + 0x22)))
|
|
#define ATA_NSECTOR (*((volatile unsigned short*)(ATA_IOBASE + 0x24)))
|
|
#define ATA_SECTOR (*((volatile unsigned short*)(ATA_IOBASE + 0x26)))
|
|
#define ATA_LCYL (*((volatile unsigned short*)(ATA_IOBASE + 0x28)))
|
|
#define ATA_HCYL (*((volatile unsigned short*)(ATA_IOBASE + 0x2a)))
|
|
#define ATA_SELECT (*((volatile unsigned short*)(ATA_IOBASE + 0x2c)))
|
|
#define ATA_COMMAND (*((volatile unsigned short*)(ATA_IOBASE + 0x2e)))
|
|
|
|
#define ATA_OUT8(reg,val) reg = ((val) << 8)
|
|
#define ATA_OUT16(reg,val) reg = swap16(val)
|
|
#define ATA_IN8(reg) ((reg) >> 8)
|
|
#define ATA_IN16(reg) (swap16(reg))
|
|
|
|
|
|
#endif
|