blob: 0e4c187e2755a1646e4e78a9f404eae062b32358 (
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
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Barry Wardell
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#if (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
/* Plain C read & write loops */
#define PREFER_C_READING
#define PREFER_C_WRITING
#if (CONFIG_CPU == PP5002)
#define ATA_IOBASE 0xc00031e0
#define ATA_CONTROL (*((volatile unsigned char*)(0xc00033f8)))
#elif (CONFIG_CPU == PP5020)
#define ATA_IOBASE 0xc30001e0
#define ATA_CONTROL (*((volatile unsigned char*)(0xc30003f8)))
#endif
#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE)))
#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0x04)))
#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x08)))
#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x0c)))
#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x10)))
#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x14)))
#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0x18)))
#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 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)
#endif
void ata_reset(void);
void ata_enable(bool on);
bool ata_is_coldstart(void);
void ata_device_init(void);
|
