1 /*-
2 * Copyright (c) 2011 Netlogic Microsystems Inc.
3 *
4 * (based on pci/ignore_pci.c)
5 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
6 * Copyright (c) 2000 BSDi
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
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
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: stable/9/sys/mips/nlm/intern_dev.c 225394 2011-09-05 10:45:29Z jchandra $");
33
34 /*
35 * 'Ignore' driver - eats devices that show up errnoeously on PCI
36 * but shouldn't ever be listed or handled by a driver.
37 */
38
39 #include <sys/param.h>
40 #include <sys/types.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/module.h>
44 #include <sys/bus.h>
45
46 #include <dev/pci/pcivar.h>
47
48 #include <mips/nlm/hal/haldefs.h>
49 #include <mips/nlm/hal/iomap.h>
50
51 static int nlm_soc_pci_probe(device_t dev);
52
53 static device_method_t nlm_soc_pci_methods[] = {
54 DEVMETHOD(device_probe, nlm_soc_pci_probe),
55 DEVMETHOD(device_attach, bus_generic_attach),
56 { 0, 0 }
57 };
58
59 static driver_t nlm_soc_pci_driver = {
60 "nlm_soc_pci",
61 nlm_soc_pci_methods,
62 0,
63 };
64
65 static devclass_t nlm_soc_pci_devclass;
66 DRIVER_MODULE(nlm_soc_pci, pci, nlm_soc_pci_driver, nlm_soc_pci_devclass, 0, 0);
67
68 static int
nlm_soc_pci_probe(device_t dev)69 nlm_soc_pci_probe(device_t dev)
70 {
71 if (pci_get_vendor(dev) != PCI_VENDOR_NETLOGIC)
72 return(ENXIO);
73
74 /* Ignore SoC internal devices */
75 switch (pci_get_device(dev)) {
76 case PCI_DEVICE_ID_NLM_ICI:
77 case PCI_DEVICE_ID_NLM_PIC:
78 case PCI_DEVICE_ID_NLM_FMN:
79 device_set_desc(dev, "Netlogic Internal");
80 device_quiet(dev);
81 return(-10000);
82
83 default:
84 return(ENXIO);
85 }
86 }
87