if_ep_pci.c revision 1.33.2.1 1 /* $NetBSD: if_ep_pci.c,v 1.33.2.1 2001/06/21 20:04:40 nathanw Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org>
42 * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
43 * All rights reserved.
44 *
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
47 * are met:
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 * 3. All advertising materials mentioning features or use of this software
54 * must display the following acknowledgement:
55 * This product includes software developed by Herb Peyerl.
56 * 4. The name of Herb Peyerl may not be used to endorse or promote products
57 * derived from this software without specific prior written permission.
58 *
59 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
60 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
61 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
64 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
65 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
66 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
67 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
68 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 */
70
71 #include "bpfilter.h"
72
73 #include <sys/param.h>
74 #include <sys/systm.h>
75 #include <sys/mbuf.h>
76 #include <sys/socket.h>
77 #include <sys/ioctl.h>
78 #include <sys/errno.h>
79 #include <sys/syslog.h>
80 #include <sys/select.h>
81 #include <sys/device.h>
82
83 #include <net/if.h>
84 #include <net/if_dl.h>
85 #include <net/if_ether.h>
86 #include <net/if_media.h>
87
88 #if NBPFILTER > 0
89 #include <net/bpf.h>
90 #include <net/bpfdesc.h>
91 #endif
92
93 #include <machine/cpu.h>
94 #include <machine/bus.h>
95 #include <machine/intr.h>
96
97 #include <dev/mii/miivar.h>
98
99 #include <dev/ic/elink3var.h>
100 #include <dev/ic/elink3reg.h>
101
102 #include <dev/pci/pcivar.h>
103 #include <dev/pci/pcireg.h>
104 #include <dev/pci/pcidevs.h>
105
106 /*
107 * PCI constants.
108 */
109 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
110
111 int ep_pci_match __P((struct device *, struct cfdata *, void *));
112 void ep_pci_attach __P((struct device *, struct device *, void *));
113
114 struct cfattach ep_pci_ca = {
115 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
116 };
117
118 struct ep_pci_product {
119 u_int32_t epp_prodid; /* PCI product ID */
120 u_short epp_chipset; /* 3Com chipset used */
121 int epp_flags; /* initial softc flags */
122 const char *epp_name; /* device name */
123 } ep_pci_products[] = {
124 { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX,
125 0,
126 "3c590 Ethernet" },
127
128 /*
129 * Note: The 3c595-MII is an MII connector for an
130 * external PHY. We treat it as `manual' in the
131 * core driver.
132 */
133 { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX,
134 0,
135 "3c595-TX 10/100 Ethernet" },
136 { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX,
137 0,
138 "3c595-T4 10/100 Ethernet" },
139 { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX,
140 0,
141 "3c595-MII 10/100 Ethernet" },
142
143 { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG,
144 0,
145 "3c900-TPO Ethernet" },
146 { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG,
147 0,
148 "3c900-COMBO Ethernet" },
149
150 { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG,
151 ELINK_FLAGS_MII,
152 "3c905-TX 10/100 Ethernet" },
153 { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG,
154 ELINK_FLAGS_MII,
155 "3c905-T4 10/100 Ethernet" },
156
157 { 0, 0,
158 0, NULL },
159 };
160
161 const struct ep_pci_product *ep_pci_lookup
162 __P((const struct pci_attach_args *));
163
164 const struct ep_pci_product *
165 ep_pci_lookup(pa)
166 const struct pci_attach_args *pa;
167 {
168 struct ep_pci_product *epp;
169
170 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
171 return (NULL);
172
173 for (epp = ep_pci_products; epp->epp_name != NULL; epp++)
174 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid)
175 return (epp);
176
177 return (NULL);
178 }
179
180 int
181 ep_pci_match(parent, match, aux)
182 struct device *parent;
183 struct cfdata *match;
184 void *aux;
185 {
186 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
187
188 if (ep_pci_lookup(pa) != NULL)
189 return (1);
190
191 return (0);
192 }
193
194 void
195 ep_pci_attach(parent, self, aux)
196 struct device *parent, *self;
197 void *aux;
198 {
199 struct ep_softc *sc = (void *)self;
200 struct pci_attach_args *pa = aux;
201 pci_chipset_tag_t pc = pa->pa_pc;
202 pci_intr_handle_t ih;
203 const struct ep_pci_product *epp;
204 const char *intrstr = NULL;
205
206 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
207 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
208 printf(": can't map i/o space\n");
209 return;
210 }
211
212 epp = ep_pci_lookup(pa);
213 if (epp == NULL) {
214 printf("\n");
215 panic("ep_pci_attach: impossible");
216 }
217
218 printf(": 3Com %s\n", epp->epp_name);
219
220 sc->enable = NULL;
221 sc->disable = NULL;
222 sc->enabled = 1;
223
224 sc->bustype = ELINK_BUS_PCI;
225 sc->ep_flags = epp->epp_flags;
226
227 /* Enable the card. */
228 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
229 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
230 PCI_COMMAND_MASTER_ENABLE);
231
232 /* Map and establish the interrupt. */
233 if (pci_intr_map(pa, &ih)) {
234 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
235 return;
236 }
237 intrstr = pci_intr_string(pc, ih);
238 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
239 if (sc->sc_ih == NULL) {
240 printf("%s: couldn't establish interrupt",
241 sc->sc_dev.dv_xname);
242 if (intrstr != NULL)
243 printf(" at %s", intrstr);
244 printf("\n");
245 return;
246 }
247 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
248
249 epconfig(sc, epp->epp_chipset, NULL);
250 }
251