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diff --git a/firmware/target/coldfire/mpio/ata-target.h b/firmware/target/coldfire/mpio/ata-target.h
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id:$
9 *
10 * Copyright (C) 2010 Marcin Bukat
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#ifndef ATA_TARGET_H
22#define ATA_TARGET_H
23
24/* asm optimised read & write loops - we skip this for now*/
25#define ATA_OPTIMIZED_READING
26//#define ATA_OPTIMIZED_WRITING
27
28#define SWAP_WORDS
29
30#define ATA_IOBASE 0x20000000
31#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE + 0x20)))
32#define ATA_CONTROL (*((volatile unsigned short*)(ATA_IOBASE + 0x1c)))
33
34#define ATA_ERROR (*((volatile unsigned short*)(ATA_IOBASE + 0x22)))
35#define ATA_NSECTOR (*((volatile unsigned short*)(ATA_IOBASE + 0x24)))
36#define ATA_SECTOR (*((volatile unsigned short*)(ATA_IOBASE + 0x26)))
37#define ATA_LCYL (*((volatile unsigned short*)(ATA_IOBASE + 0x28)))
38#define ATA_HCYL (*((volatile unsigned short*)(ATA_IOBASE + 0x2a)))
39#define ATA_SELECT (*((volatile unsigned short*)(ATA_IOBASE + 0x2c)))
40#define ATA_COMMAND (*((volatile unsigned short*)(ATA_IOBASE + 0x2e)))
41
42
43#define STATUS_BSY 0x80
44#define STATUS_RDY 0x40
45#define STATUS_DF 0x20
46#define STATUS_DRQ 0x08
47#define STATUS_ERR 0x01
48
49#define ERROR_ABRT 0x04
50#define ERROR_IDNF 0x10
51
52#define WRITE_PATTERN1 0xa5
53#define WRITE_PATTERN2 0x5a
54#define WRITE_PATTERN3 0xaa
55#define WRITE_PATTERN4 0x55
56
57#define READ_PATTERN1 0xa5
58#define READ_PATTERN2 0x5a
59#define READ_PATTERN3 0xaa
60#define READ_PATTERN4 0x55
61
62#define READ_PATTERN1_MASK 0xff
63#define READ_PATTERN2_MASK 0xff
64#define READ_PATTERN3_MASK 0xff
65#define READ_PATTERN4_MASK 0xff
66
67#define SET_REG(reg,val) reg = (val)
68#define SET_16BITREG(reg,val) reg = (val)
69
70void ata_reset(void);
71void ata_enable(bool on);
72void ata_device_init(void);
73bool ata_is_coldstart(void);
74
75void copy_read_sectors(unsigned char* buf, int wordcount);
76//void copy_write_sectors(const unsigned char* buf, int wordcount);
77#endif