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
|
/* $OpenBSD: pchb.c,v 1.1 2004/01/28 01:39:39 mickey Exp $ */
/* $NetBSD: pchb.c,v 1.1 2003/04/26 18:39:50 fvdl Exp $ */
/*-
* Copyright (c) 1996, 1998, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <arch/amd64/pci/pchbvar.h>
#define PCISET_BRIDGETYPE_MASK 0x3
#define PCISET_TYPE_COMPAT 0x1
#define PCISET_TYPE_AUX 0x2
#define PCISET_BUSCONFIG_REG 0x48
#define PCISET_BRIDGE_NUMBER(reg) (((reg) >> 8) & 0xff)
#define PCISET_PCI_BUS_NUMBER(reg) (((reg) >> 16) & 0xff)
/* XXX should be in dev/ic/i82443reg.h */
#define I82443BX_SDRAMC_REG 0x76
/* XXX should be in dev/ic/i82424{reg.var}.h */
#define I82424_CPU_BCTL_REG 0x53
#define I82424_PCI_BCTL_REG 0x54
#define I82424_BCTL_CPUMEM_POSTEN 0x01
#define I82424_BCTL_CPUPCI_POSTEN 0x02
#define I82424_BCTL_PCIMEM_BURSTEN 0x01
#define I82424_BCTL_PCI_BURSTEN 0x02
int pchbmatch __P((struct device *, void *, void *));
void pchbattach __P((struct device *, struct device *, void *));
int pchb_print __P((void *, const char *));
struct cfattach pchb_ca = {
sizeof(struct pchb_softc), pchbmatch, pchbattach,
};
struct cfdriver pchb_cd = {
NULL, "pchb", DV_DULL
};
int
pchbmatch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct pci_attach_args *pa = aux;
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_HOST) {
return (1);
}
return (0);
}
void
pchbattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pci_attach_args *pa = aux;
printf("\n");
switch (PCI_VENDOR(pa->pa_id)) {
/* Nothing yet */
default:
break;
}
}
int
pchb_print(aux, pnp)
void *aux;
const char *pnp;
{
struct pcibus_attach_args *pba = aux;
if (pnp)
printf("%s at %s", pba->pba_busname, pnp);
printf(" bus %d", pba->pba_bus);
return (UNCONF);
}
|