if_ep_pci.c revision 1.35 1 /* $NetBSD: if_ep_pci.c,v 1.35 2001/07/08 18:02:28 thorpej 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 <sys/param.h>
72 #include <sys/systm.h>
73 #include <sys/mbuf.h>
74 #include <sys/socket.h>
75 #include <sys/ioctl.h>
76 #include <sys/errno.h>
77 #include <sys/syslog.h>
78 #include <sys/select.h>
79 #include <sys/device.h>
80
81 #include <net/if.h>
82 #include <net/if_dl.h>
83 #include <net/if_ether.h>
84 #include <net/if_media.h>
85
86 #include <machine/cpu.h>
87 #include <machine/bus.h>
88 #include <machine/intr.h>
89
90 #include <dev/mii/miivar.h>
91
92 #include <dev/ic/elink3var.h>
93 #include <dev/ic/elink3reg.h>
94
95 #include <dev/pci/pcivar.h>
96 #include <dev/pci/pcireg.h>
97 #include <dev/pci/pcidevs.h>
98
99 /*
100 * PCI constants.
101 */
102 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
103
104 int ep_pci_match __P((struct device *, struct cfdata *, void *));
105 void ep_pci_attach __P((struct device *, struct device *, void *));
106
107 struct cfattach ep_pci_ca = {
108 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
109 };
110
111 struct ep_pci_product {
112 u_int32_t epp_prodid; /* PCI product ID */
113 u_short epp_chipset; /* 3Com chipset used */
114 int epp_flags; /* initial softc flags */
115 const char *epp_name; /* device name */
116 } ep_pci_products[] = {
117 { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX,
118 0,
119 "3c590 Ethernet" },
120
121 /*
122 * Note: The 3c595-MII is an MII connector for an
123 * external PHY. We treat it as `manual' in the
124 * core driver.
125 */
126 { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX,
127 0,
128 "3c595-TX 10/100 Ethernet" },
129 { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX,
130 0,
131 "3c595-T4 10/100 Ethernet" },
132 { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX,
133 0,
134 "3c595-MII 10/100 Ethernet" },
135
136 { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG,
137 0,
138 "3c900-TPO Ethernet" },
139 { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG,
140 0,
141 "3c900-COMBO Ethernet" },
142
143 { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG,
144 ELINK_FLAGS_MII,
145 "3c905-TX 10/100 Ethernet" },
146 { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG,
147 ELINK_FLAGS_MII,
148 "3c905-T4 10/100 Ethernet" },
149
150 { 0, 0,
151 0, NULL },
152 };
153
154 const struct ep_pci_product *ep_pci_lookup
155 __P((const struct pci_attach_args *));
156
157 const struct ep_pci_product *
158 ep_pci_lookup(pa)
159 const struct pci_attach_args *pa;
160 {
161 struct ep_pci_product *epp;
162
163 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
164 return (NULL);
165
166 for (epp = ep_pci_products; epp->epp_name != NULL; epp++)
167 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid)
168 return (epp);
169
170 return (NULL);
171 }
172
173 int
174 ep_pci_match(parent, match, aux)
175 struct device *parent;
176 struct cfdata *match;
177 void *aux;
178 {
179 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
180
181 if (ep_pci_lookup(pa) != NULL)
182 return (1);
183
184 return (0);
185 }
186
187 void
188 ep_pci_attach(parent, self, aux)
189 struct device *parent, *self;
190 void *aux;
191 {
192 struct ep_softc *sc = (void *)self;
193 struct pci_attach_args *pa = aux;
194 pci_chipset_tag_t pc = pa->pa_pc;
195 pci_intr_handle_t ih;
196 const struct ep_pci_product *epp;
197 const char *intrstr = NULL;
198
199 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
200 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
201 printf(": can't map i/o space\n");
202 return;
203 }
204
205 epp = ep_pci_lookup(pa);
206 if (epp == NULL) {
207 printf("\n");
208 panic("ep_pci_attach: impossible");
209 }
210
211 printf(": 3Com %s\n", epp->epp_name);
212
213 sc->enable = NULL;
214 sc->disable = NULL;
215 sc->enabled = 1;
216
217 sc->bustype = ELINK_BUS_PCI;
218 sc->ep_flags = epp->epp_flags;
219
220 /* Enable the card. */
221 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
222 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
223 PCI_COMMAND_MASTER_ENABLE);
224
225 /* Map and establish the interrupt. */
226 if (pci_intr_map(pa, &ih)) {
227 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
228 return;
229 }
230 intrstr = pci_intr_string(pc, ih);
231 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
232 if (sc->sc_ih == NULL) {
233 printf("%s: couldn't establish interrupt",
234 sc->sc_dev.dv_xname);
235 if (intrstr != NULL)
236 printf(" at %s", intrstr);
237 printf("\n");
238 return;
239 }
240 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
241
242 epconfig(sc, epp->epp_chipset, NULL);
243 }
244