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Diffstat (limited to 'firmware/target/arm/tms320dm320/creative-zvm/ata-target.h')
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1 files changed, 68 insertions, 0 deletions
diff --git a/firmware/target/arm/tms320dm320/creative-zvm/ata-target.h b/firmware/target/arm/tms320dm320/creative-zvm/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 Maurus Cuelenaere
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
27#define ATA_IOBASE 0x50FEE000
28#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE)))
29#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE+0x2)))
30#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE+0x4)))
31#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE+0x6)))
32#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE+0x8)))
33#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE+0xA)))
34#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE+0xC)))
35#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE+0xE)))
36#define ATA_CONTROL (*((volatile unsigned char*)(ATA_IOBASE+0x800C)))
37
38#define STATUS_BSY 0x80
39#define STATUS_RDY 0x40
40#define STATUS_DF 0x20
41#define STATUS_DRQ 0x08
42#define STATUS_ERR 0x01
43#define ERROR_ABRT 0x04
44
45#define WRITE_PATTERN1 0xa5
46#define WRITE_PATTERN2 0x5a
47#define WRITE_PATTERN3 0xaa
48#define WRITE_PATTERN4 0x55
49
50#define READ_PATTERN1 0xa5
51#define READ_PATTERN2 0x5a
52#define READ_PATTERN3 0xaa
53#define READ_PATTERN4 0x55
54
55#define READ_PATTERN1_MASK 0xff
56#define READ_PATTERN2_MASK 0xff
57#define READ_PATTERN3_MASK 0xff
58#define READ_PATTERN4_MASK 0xff
59
60#define SET_REG(reg,val) reg = (val)
61#define SET_16BITREG(reg,val) reg = (val)
62
63void ata_reset(void);
64void ata_device_init(void);
65bool ata_is_coldstart(void);
66void ide_power_enable(bool on);
67
68#endif