blob: cf9c98e5bdb58a045eaf557f57218fe791d64970 (
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
|
/*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*/
/*
* This file contains the i386 architecture specific IDE code.
*/
#ifndef __ASMi386_IDE_H
#define __ASMi386_IDE_H
#ifdef __KERNEL__
#ifndef MAX_HWIFS
# ifdef CONFIG_BLK_DEV_IDEPCI
#define MAX_HWIFS 10
# else
#define MAX_HWIFS 6
# endif
#endif
static __inline__ int ide_default_irq(unsigned long base)
{
switch (base) {
case 0x1f0: return 14;
case 0x170: return 15;
case 0x1e8: return 11;
case 0x168: return 10;
case 0x1e0: return 8;
case 0x160: return 12;
default:
return 0;
}
}
static __inline__ unsigned long ide_default_io_base(int index)
{
/*
* If PCI is present then it is not safe to poke around
* the other legacy IDE ports. Only 0x1f0 and 0x170 are
* defined compatibility mode ports for PCI. A user can
* override this using ide= but we must default safe.
*/
if (no_pci_devices()) {
switch(index) {
case 2: return 0x1e8;
case 3: return 0x168;
case 4: return 0x1e0;
case 5: return 0x160;
}
}
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
default:
return 0;
}
}
#include <asm-generic/ide_iops.h>
#endif /* __KERNEL__ */
#endif /* __ASMi386_IDE_H */
|
