2acc0ac542
later. We still need to hunt down snippets used that are not. 1324 modified files... http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
72 lines
2.5 KiB
C
72 lines
2.5 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
|
|
|
|
/* 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)))
|
|
|
|
#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_device_init(void);
|
|
bool ata_is_coldstart(void);
|
|
|
|
#endif
|