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Diffstat (limited to 'firmware/target/arm/olympus/mrobe-500/ata-target.h')
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diff --git a/firmware/target/arm/olympus/mrobe-500/ata-target.h b/firmware/target/arm/olympus/mrobe-500/ata-target.h
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id: $
9 *
10 * Copyright (C) 2007 by Karl Kurbjun
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20#ifndef ATA_TARGET_H
21#define ATA_TARGET_H
22
23/* Plain C read & write loops */
24#define PREFER_C_READING
25#define PREFER_C_WRITING
26#if !defined(BOOTLOADER)
27//#define ATA_OPTIMIZED_READING
28//void copy_read_sectors(unsigned char* buf, int wordcount);
29#endif
30
31#define ATA_IOBASE 0x50000000
32#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE+0xa0)))
33#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0xa2)))
34#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x24)))
35#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x26)))
36#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x28)))
37#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x2A)))
38#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0x2C)))
39#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0x2E)))
40#define ATA_CONTROL (*((volatile unsigned char*)(ATA_IOBASE + 0x9C)))
41
42#define STATUS_BSY 0x80
43#define STATUS_RDY 0x40
44#define STATUS_DF 0x20
45#define STATUS_DRQ 0x08
46#define STATUS_ERR 0x01
47#define ERROR_ABRT 0x04
48
49#define WRITE_PATTERN1 0xa5
50#define WRITE_PATTERN2 0x5a
51#define WRITE_PATTERN3 0xaa
52#define WRITE_PATTERN4 0x55
53
54#define READ_PATTERN1 0xa5
55#define READ_PATTERN2 0x5a
56#define READ_PATTERN3 0xaa
57#define READ_PATTERN4 0x55
58
59#define READ_PATTERN1_MASK 0xff
60#define READ_PATTERN2_MASK 0xff
61#define READ_PATTERN3_MASK 0xff
62#define READ_PATTERN4_MASK 0xff
63
64#define SET_REG(reg,val) reg = (val)
65#define SET_16BITREG(reg,val) reg = (val)
66
67void ata_reset(void);
68void ata_device_init(void);
69bool ata_is_coldstart(void);
70
71#endif