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
|
/*-
* Copyright (c) 1999 Andrew Gallatin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/malloc.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <pci/pcivar.h>
#include <alpha/pci/tsunamireg.h>
#include <alpha/pci/tsunamivar.h>
static devclass_t pcib_devclass;
int tsunami_hoses[TSUNAMI_MAXHOSES+1] = {0,-1,-1,-1,-1};
int
tsunami_bus_within_hose(int hose, int bus)
{
return(bus - tsunami_hoses[hose]);
}
int
tsunami_hose_from_bus(int bus)
{
int i;
for(i = 1; i <= TSUNAMI_MAXHOSES && tsunami_hoses[i] != -1; i++){
if(tsunami_hoses[i] > bus)
return i-1;
}
return i-1;
}
static int
tsunami_pcib_probe(device_t dev)
{
static int hoseno = 0;
device_t child;
device_set_desc(dev, "21271 PCI host bus adapter");
child = device_add_child(dev, "pci", -1);
if(hoseno)
tsunami_hoses[hoseno] = device_get_unit(child);
hoseno++;
return 0;
}
static int
tsunami_pcib_read_ivar(device_t dev, device_t child, int which, u_long *result)
{
if (which == PCIB_IVAR_HOSE) {
*result = *(int*) device_get_ivars(dev);
return 0;
}
return ENOENT;
}
static device_method_t tsunami_pcib_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, tsunami_pcib_probe),
DEVMETHOD(device_attach, bus_generic_attach),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, tsunami_pcib_read_ivar),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t tsunami_pcib_driver = {
"pcib",
tsunami_pcib_methods,
1,
};
DRIVER_MODULE(pcib, tsunami, tsunami_pcib_driver, pcib_devclass, 0, 0);
|