2 * Copyright (C) 2001 Eduardo Horvath.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * from: NetBSD: if_gem_pci.c,v 1.7 2001/10/18 15:09:15 thorpej Exp
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
35 * PCI bindings for Sun GEM ethernet controllers.
38 #include <sys/param.h>
39 #include <sys/systm.h>
41 #include <sys/malloc.h>
42 #include <sys/kernel.h>
44 #include <sys/module.h>
45 #include <sys/mutex.h>
46 #include <sys/resource.h>
47 #include <sys/socket.h>
49 #include <machine/endian.h>
51 #include <net/ethernet.h>
53 #include <net/if_arp.h>
54 #include <net/if_dl.h>
55 #include <net/if_media.h>
57 #include <machine/bus.h>
58 #include <machine/resource.h>
59 #include <dev/ofw/openfirm.h>
60 #include <machine/ofw_machdep.h>
64 #include <dev/mii/mii.h>
65 #include <dev/mii/miivar.h>
67 #include <dev/gem/if_gemreg.h>
68 #include <dev/gem/if_gemvar.h>
70 #include <dev/pci/pcivar.h>
71 #include <dev/pci/pcireg.h>
73 #include "miibus_if.h"
75 struct gem_pci_softc {
76 struct gem_softc gsc_gem; /* GEM device */
77 struct resource *gsc_sres;
79 struct resource *gsc_ires;
84 static int gem_pci_probe(device_t);
85 static int gem_pci_attach(device_t);
86 static int gem_pci_detach(device_t);
87 static int gem_pci_suspend(device_t);
88 static int gem_pci_resume(device_t);
90 static device_method_t gem_pci_methods[] = {
91 /* Device interface */
92 DEVMETHOD(device_probe, gem_pci_probe),
93 DEVMETHOD(device_attach, gem_pci_attach),
94 DEVMETHOD(device_detach, gem_pci_detach),
95 DEVMETHOD(device_suspend, gem_pci_suspend),
96 DEVMETHOD(device_resume, gem_pci_resume),
97 /* Use the suspend handler here, it is all that is required. */
98 DEVMETHOD(device_shutdown, gem_pci_suspend),
101 DEVMETHOD(bus_print_child, bus_generic_print_child),
102 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
105 DEVMETHOD(miibus_readreg, gem_mii_readreg),
106 DEVMETHOD(miibus_writereg, gem_mii_writereg),
107 DEVMETHOD(miibus_statchg, gem_mii_statchg),
112 static driver_t gem_pci_driver = {
115 sizeof(struct gem_pci_softc)
119 DRIVER_MODULE(gem, pci, gem_pci_driver, gem_devclass, 0, 0);
120 MODULE_DEPEND(gem, pci, 1, 1, 1);
121 MODULE_DEPEND(gem, ether, 1, 1, 1);
127 } gem_pci_devlist[] = {
128 { 0x1101108e, GEM_SUN_GEM, "Sun ERI 10/100 Ethernet Adaptor" },
129 { 0x2bad108e, GEM_SUN_GEM, "Sun GEM Gigabit Ethernet Adaptor" },
130 { 0x0021106b, GEM_APPLE_GMAC, "Apple GMAC Ethernet Adaptor" },
131 { 0x0024106b, GEM_APPLE_GMAC, "Apple GMAC2 Ethernet Adaptor" },
132 { 0x0032106b, GEM_APPLE_GMAC, "Apple GMAC3 Ethernet Adaptor" },
137 * Attach routines need to be split out to different bus-specific files.
145 struct gem_pci_softc *gsc;
147 devid = pci_get_devid(dev);
148 for (i = 0; gem_pci_devlist[i].gpd_desc != NULL; i++) {
149 if (devid == gem_pci_devlist[i].gpd_devid) {
150 device_set_desc(dev, gem_pci_devlist[i].gpd_desc);
151 gsc = device_get_softc(dev);
152 gsc->gsc_gem.sc_variant =
153 gem_pci_devlist[i].gpd_variant;
154 return (BUS_PROBE_DEFAULT);
165 struct gem_pci_softc *gsc = device_get_softc(dev);
166 struct gem_softc *sc = &gsc->gsc_gem;
168 pci_enable_busmaster(dev);
171 * Some Sun GEMs/ERIs do have their intpin register bogusly set to 0,
172 * although it should be 1. correct that.
174 if (pci_get_intpin(dev) == 0)
175 pci_set_intpin(dev, 1);
178 sc->sc_pci = 1; /* XXX */
180 GEM_LOCK_INIT(sc, device_get_nameunit(dev));
182 gsc->gsc_srid = PCI_GEM_BASEADDR;
183 gsc->gsc_sres = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
184 &gsc->gsc_srid, RF_ACTIVE);
185 if (gsc->gsc_sres == NULL) {
186 device_printf(dev, "failed to allocate bus space resource\n");
191 gsc->gsc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
192 &gsc->gsc_irid, RF_SHAREABLE | RF_ACTIVE);
193 if (gsc->gsc_ires == NULL) {
194 device_printf(dev, "failed to allocate interrupt resource\n");
198 sc->sc_bustag = rman_get_bustag(gsc->gsc_sres);
199 sc->sc_h = rman_get_bushandle(gsc->gsc_sres);
201 /* All platform that this driver is used on must provide this. */
202 OF_getetheraddr(dev, sc->sc_enaddr);
205 * call the main configure
207 if (gem_attach(sc) != 0) {
208 device_printf(dev, "could not be configured\n");
212 if (bus_setup_intr(dev, gsc->gsc_ires, INTR_TYPE_NET | INTR_MPSAFE,
213 gem_intr, sc, &gsc->gsc_ih) != 0) {
214 device_printf(dev, "failed to set up interrupt\n");
221 bus_release_resource(dev, SYS_RES_IRQ, gsc->gsc_irid, gsc->gsc_ires);
223 bus_release_resource(dev, SYS_RES_MEMORY, gsc->gsc_srid, gsc->gsc_sres);
225 GEM_LOCK_DESTROY(sc);
233 struct gem_pci_softc *gsc = device_get_softc(dev);
234 struct gem_softc *sc = &gsc->gsc_gem;
236 bus_teardown_intr(dev, gsc->gsc_ires, gsc->gsc_ih);
238 bus_release_resource(dev, SYS_RES_IRQ, gsc->gsc_irid, gsc->gsc_ires);
239 bus_release_resource(dev, SYS_RES_MEMORY, gsc->gsc_srid, gsc->gsc_sres);
240 GEM_LOCK_DESTROY(sc);
248 struct gem_pci_softc *gsc = device_get_softc(dev);
249 struct gem_softc *sc = &gsc->gsc_gem;
259 struct gem_pci_softc *gsc = device_get_softc(dev);
260 struct gem_softc *sc = &gsc->gsc_gem;