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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* linux/include/asm-sh/ide.h
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*/
/*
* This file contains the i386 architecture specific IDE code.
* In future, SuperH code.
*/
#ifndef __ASM_SH_IDE_H
#define __ASM_SH_IDE_H
#ifdef __KERNEL__
#include <linux/config.h>
#include <asm/machvec.h>
#ifndef MAX_HWIFS
#define MAX_HWIFS 1
#endif
#define ide__sti() __sti()
static __inline__ int ide_default_irq_hp600(ide_ioreg_t base)
{
switch (base) {
case 0x01f0: return 77;
case 0x0170: return 77;
default:
return 0;
}
}
static __inline__ int ide_default_irq(ide_ioreg_t base)
{
if (MACH_HP600) {
return ide_default_irq_hp600(base);
}
switch (base) {
case 0x01f0: return 14;
case 0x0170: return 15;
default:
return 0;
}
}
static __inline__ ide_ioreg_t ide_default_io_base_hp600(int index)
{
switch (index) {
case 0:
return 0x01f0;
case 1:
return 0x0170;
default:
return 0;
}
}
static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
if (MACH_HP600) {
return ide_default_io_base_hp600(index);
}
switch (index) {
case 0:
return 0x1f0;
case 1:
return 0x170;
default:
return 0;
}
}
static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
{
ide_ioreg_t reg = data_port;
int i;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw->io_ports[i] = reg;
reg += 1;
}
if (ctrl_port) {
hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
} else {
hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206;
}
if (irq != NULL)
*irq = 0;
hw->io_ports[IDE_IRQ_OFFSET] = 0;
}
static __inline__ void ide_init_default_hwifs(void)
{
#ifndef CONFIG_BLK_DEV_IDEPCI
hw_regs_t hw;
int index;
for(index = 0; index < MAX_HWIFS; index++) {
ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
hw.irq = ide_default_irq(ide_default_io_base(index));
ide_register_hw(&hw, NULL);
}
#endif /* CONFIG_BLK_DEV_IDEPCI */
}
typedef union {
unsigned all : 8; /* all of the bits together */
struct {
unsigned head : 4; /* always zeros here */
unsigned unit : 1; /* drive select number, 0 or 1 */
unsigned bit5 : 1; /* always 1 */
unsigned lba : 1; /* using LBA instead of CHS */
unsigned bit7 : 1; /* always 1 */
} b;
} select_t;
#define ide_request_irq(irq,hand,flg,dev,id) request_irq((irq),(hand),(flg),(dev),(id))
#define ide_free_irq(irq,dev_id) free_irq((irq), (dev_id))
#define ide_check_region(from,extent) check_region((from), (extent))
#define ide_request_region(from,extent,name) request_region((from), (extent), (name))
#define ide_release_region(from,extent) release_region((from), (extent))
/*
* The following are not needed for the non-m68k ports
*/
#define ide_ack_intr(hwif) (1)
#define ide_fix_driveid(id) do {} while (0)
#define ide_release_lock(lock) do {} while (0)
#define ide_get_lock(lock, hdlr, data) do {} while (0)
#endif /* __KERNEL__ */
#endif /* __ASM_SH_IDE_H */
|
