2 * Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * $FreeBSD: src/sys/dev/pci/isa_pci.c,v 1.13.8.1 2009/04/15 03:14:26 kensmith Exp $
34 * PCI:ISA bridge support
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
43 #include <bus/isa/isavar.h>
44 #include <bus/pci/pcivar.h>
45 #include <bus/pci/pcireg.h>
47 static int isab_probe(device_t dev
);
51 isab_attach(device_t dev
)
57 static device_method_t isab_methods
[] = {
58 /* Device interface */
59 DEVMETHOD(device_probe
, isab_probe
),
60 DEVMETHOD(device_attach
, isab_attach
),
61 DEVMETHOD(device_detach
, bus_generic_detach
),
62 DEVMETHOD(device_shutdown
, bus_generic_shutdown
),
63 DEVMETHOD(device_suspend
, bus_generic_suspend
),
64 DEVMETHOD(device_resume
, bus_generic_resume
),
67 DEVMETHOD(bus_print_child
, bus_generic_print_child
),
68 DEVMETHOD(bus_alloc_resource
, bus_generic_alloc_resource
),
69 DEVMETHOD(bus_release_resource
, bus_generic_release_resource
),
70 DEVMETHOD(bus_activate_resource
, bus_generic_activate_resource
),
71 DEVMETHOD(bus_deactivate_resource
, bus_generic_deactivate_resource
),
72 DEVMETHOD(bus_setup_intr
, bus_generic_setup_intr
),
73 DEVMETHOD(bus_teardown_intr
, bus_generic_teardown_intr
),
78 static driver_t isab_driver
= {
84 devclass_t isab_devclass
;
86 DRIVER_MODULE(isab
, pci
, isab_driver
, isab_devclass
, NULL
, NULL
);
89 * XXX we need to add a quirk list here for bridges that don't correctly
93 isab_probe(device_t dev
)
98 * Try for a generic match based on class/subclass.
100 if ((pci_get_class(dev
) == PCIC_BRIDGE
) &&
101 (pci_get_subclass(dev
) == PCIS_BRIDGE_ISA
)) {
105 * These are devices that we *know* are PCI:ISA bridges.
106 * Sometimes, however, they don't report themselves as
107 * such. Check in case one of them is pretending to be
110 switch (pci_get_devid(dev
)) {
111 case 0x04848086: /* Intel 82378ZB/82378IB */
112 case 0x122e8086: /* Intel 82371FB */
113 case 0x70008086: /* Intel 82371SB */
114 case 0x71108086: /* Intel 82371AB */
115 case 0x71988086: /* Intel 82443MX */
116 case 0x24108086: /* Intel 82801AA (ICH) */
117 case 0x24208086: /* Intel 82801AB (ICH0) */
118 case 0x24408086: /* Intel 82801AB (ICH2) */
119 case 0x00061004: /* VLSI 82C593 */
120 case 0x05861106: /* VIA 82C586 */
121 case 0x05961106: /* VIA 82C596 */
122 case 0x06861106: /* VIA 82C686 */
123 case 0x153310b9: /* AcerLabs M1533 */
124 case 0x154310b9: /* AcerLabs M1543 */
125 case 0x00081039: /* SiS 85c503 */
126 case 0x00001078: /* Cyrix Cx5510 */
127 case 0x01001078: /* Cyrix Cx5530 */
128 case 0xc7001045: /* OPTi 82C700 (FireStar) */
129 case 0x00011033: /* NEC 0001 (C-bus) */
130 case 0x002c1033: /* NEC 002C (C-bus) */
131 case 0x003b1033: /* NEC 003B (C-bus) */
132 case 0x886a1060: /* UMC UM8886 ISA */
133 case 0x02001166: /* ServerWorks IB6566 PCI */
135 kprintf("PCI-ISA bridge with incorrect subclass 0x%x\n",
136 pci_get_subclass(dev
));
146 device_set_desc(dev
, "PCI-ISA bridge");