blob: 54d096456057343ee7cf1557919bd114ff6e4a3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/***************************************************************************
* __________ __ ___.
* 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)))
#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
|
