rockbox/firmware/target/arm/s3c2440/gigabeat-fx/ata-target.h
Michael Sparmann 9339be1279 Rework ATA driver to get rid of lots of target-specific constants and allow for non-memory-mapped task file registers.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28950 a1c6a512-1295-4272-9138-f99709370657
2011-01-02 22:51:47 +00:00

51 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
#ifdef BOOTLOADER
#define ATA_DRIVER_CLOSE
#endif
/* Plain C read & write loops */
#define PREFER_C_READING
#define PREFER_C_WRITING
#if !defined(BOOTLOADER)
#define ATA_OPTIMIZED_READING
void copy_read_sectors(unsigned char* buf, int wordcount);
#endif
#define ATA_IOBASE 0x18000000
#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE)))
#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0x02)))
#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x04)))
#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x06)))
#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x08)))
#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x0A)))
#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0x0C)))
#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0x0E)))
#define ATA_CONTROL (*((volatile unsigned char*)(0x20000000 + 0x1C)))
void ata_reset(void);
void ata_device_init(void);
bool ata_is_coldstart(void);
#endif