1 /* $NetBSD: p64h2apic.c,v 1.15 2009/05/04 12:15:51 cegger Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Bill Sommerfeld.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Driver for P64H2 IOxAPIC
34 *
35 * This is an ioapic which appears in PCI space.
36 * This driver currently does nothing useful but will eventually
37 * thwak the ioapic into working correctly.
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: p64h2apic.c,v 1.15 2009/05/04 12:15:51 cegger Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
46 #include <sys/device.h>
47
48 #include <dev/pci/pcireg.h>
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pcidevs.h>
51
52 static int p64h2match(device_t, cfdata_t, void *);
53 static void p64h2attach(device_t, device_t, void *);
54
55 struct p64h2apic_softc {
56 pcitag_t sc_tag;
57 };
58
59 CFATTACH_DECL_NEW(p64h2apic, sizeof(struct p64h2apic_softc),
60 p64h2match, p64h2attach, NULL, NULL);
61
62 static int
p64h2match(device_t parent,cfdata_t match,void * aux)63 p64h2match(device_t parent, cfdata_t match, void *aux)
64 {
65 struct pci_attach_args *pa = aux;
66
67 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL &&
68 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC)
69 return (1);
70
71 return (0);
72 }
73
74 static void
p64h2attach(device_t parent,device_t self,void * aux)75 p64h2attach(device_t parent, device_t self, void *aux)
76 {
77 struct p64h2apic_softc *sc = device_private(self);
78 struct pci_attach_args *pa = aux;
79 char devinfo[256];
80
81 aprint_naive("\n");
82 aprint_normal("\n");
83
84 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
85 aprint_normal_dev(self, "%s (rev. 0x%02x)\n", devinfo,
86 PCI_REVISION(pa->pa_class));
87
88 sc->sc_tag = pa->pa_tag;
89 }
90