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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: ata-target.h 11655 2006-12-03 22:13:44Z amiconn $
*
* Copyright (C) 2007 by Dave Chapman
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/* Plain C read & write loops */
#define ATA_IOBASE 0x02400000
#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE)))
#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0x080)))
#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x100)))
#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x180)))
#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x200)))
#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x280)))
#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0x300)))
#define ATA_CONTROL (*((volatile unsigned char*)(ATA_IOBASE + 0x340)))
#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0x380)))
#define STATUS_BSY 0x80
#define STATUS_RDY 0x40
#define STATUS_DF 0x20
#define STATUS_DRQ 0x08
#define STATUS_ERR 0x01
#define ERROR_ABRT 0x04
#define WRITE_PATTERN1 0xa5
#define WRITE_PATTERN2 0x5a
#define WRITE_PATTERN3 0xaa
#define WRITE_PATTERN4 0x55
#define READ_PATTERN1 0xa5
#define READ_PATTERN2 0x5a
#define READ_PATTERN3 0xaa
#define READ_PATTERN4 0x55
#define READ_PATTERN1_MASK 0xff
#define READ_PATTERN2_MASK 0xff
#define READ_PATTERN3_MASK 0xff
#define READ_PATTERN4_MASK 0xff
#define SET_REG(reg,val) reg = (val)
#define SET_16BITREG(reg,val) reg = (val)
void ata_reset(void);
void ata_enable(bool on);
bool ata_is_coldstart(void);
void ata_device_init(void);
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