if_ep_pci.c revision 1.35.2.1 1 /* $NetBSD: if_ep_pci.c,v 1.35.2.1 2002/01/10 19:56:38 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/cdefs.h>
72 __KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.35.2.1 2002/01/10 19:56:38 thorpej Exp $");
73
74 #include <sys/param.h>
75 #include <sys/systm.h>
76 #include <sys/mbuf.h>
77 #include <sys/socket.h>
78 #include <sys/ioctl.h>
79 #include <sys/errno.h>
80 #include <sys/syslog.h>
81 #include <sys/select.h>
82 #include <sys/device.h>
83
84 #include <net/if.h>
85 #include <net/if_dl.h>
86 #include <net/if_ether.h>
87 #include <net/if_media.h>
88
89 #include <machine/cpu.h>
90 #include <machine/bus.h>
91 #include <machine/intr.h>
92
93 #include <dev/mii/miivar.h>
94
95 #include <dev/ic/elink3var.h>
96 #include <dev/ic/elink3reg.h>
97
98 #include <dev/pci/pcivar.h>
99 #include <dev/pci/pcireg.h>
100 #include <dev/pci/pcidevs.h>
101
102 /*
103 * PCI constants.
104 */
105 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
106
107 int ep_pci_match __P((struct device *, struct cfdata *, void *));
108 void ep_pci_attach __P((struct device *, struct device *, void *));
109
110 struct cfattach ep_pci_ca = {
111 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
112 };
113
114 struct ep_pci_product {
115 u_int32_t epp_prodid; /* PCI product ID */
116 u_short epp_chipset; /* 3Com chipset used */
117 int epp_flags; /* initial softc flags */
118 const char *epp_name; /* device name */
119 } ep_pci_products[] = {
120 { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX,
121 0,
122 "3c590 Ethernet" },
123
124 /*
125 * Note: The 3c595-MII is an MII connector for an
126 * external PHY. We treat it as `manual' in the
127 * core driver.
128 */
129 { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX,
130 0,
131 "3c595-TX 10/100 Ethernet" },
132 { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX,
133 0,
134 "3c595-T4 10/100 Ethernet" },
135 { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX,
136 0,
137 "3c595-MII 10/100 Ethernet" },
138
139 { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG,
140 0,
141 "3c900-TPO Ethernet" },
142 { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG,
143 0,
144 "3c900-COMBO Ethernet" },
145
146 { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG,
147 ELINK_FLAGS_MII,
148 "3c905-TX 10/100 Ethernet" },
149 { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG,
150 ELINK_FLAGS_MII,
151 "3c905-T4 10/100 Ethernet" },
152
153 { 0, 0,
154 0, NULL },
155 };
156
157 const struct ep_pci_product *ep_pci_lookup
158 __P((const struct pci_attach_args *));
159
160 const struct ep_pci_product *
161 ep_pci_lookup(pa)
162 const struct pci_attach_args *pa;
163 {
164 struct ep_pci_product *epp;
165
166 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
167 return (NULL);
168
169 for (epp = ep_pci_products; epp->epp_name != NULL; epp++)
170 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid)
171 return (epp);
172
173 return (NULL);
174 }
175
176 int
177 ep_pci_match(parent, match, aux)
178 struct device *parent;
179 struct cfdata *match;
180 void *aux;
181 {
182 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
183
184 if (ep_pci_lookup(pa) != NULL)
185 return (1);
186
187 return (0);
188 }
189
190 void
191 ep_pci_attach(parent, self, aux)
192 struct device *parent, *self;
193 void *aux;
194 {
195 struct ep_softc *sc = (void *)self;
196 struct pci_attach_args *pa = aux;
197 pci_chipset_tag_t pc = pa->pa_pc;
198 pci_intr_handle_t ih;
199 const struct ep_pci_product *epp;
200 const char *intrstr = NULL;
201
202 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
203 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
204 printf(": can't map i/o space\n");
205 return;
206 }
207
208 epp = ep_pci_lookup(pa);
209 if (epp == NULL) {
210 printf("\n");
211 panic("ep_pci_attach: impossible");
212 }
213
214 printf(": 3Com %s\n", epp->epp_name);
215
216 sc->enable = NULL;
217 sc->disable = NULL;
218 sc->enabled = 1;
219
220 sc->bustype = ELINK_BUS_PCI;
221 sc->ep_flags = epp->epp_flags;
222
223 /* Enable the card. */
224 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
225 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
226 PCI_COMMAND_MASTER_ENABLE);
227
228 /* Map and establish the interrupt. */
229 if (pci_intr_map(pa, &ih)) {
230 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
231 return;
232 }
233 intrstr = pci_intr_string(pc, ih);
234 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
235 if (sc->sc_ih == NULL) {
236 printf("%s: couldn't establish interrupt",
237 sc->sc_dev.dv_xname);
238 if (intrstr != NULL)
239 printf(" at %s", intrstr);
240 printf("\n");
241 return;
242 }
243 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
244
245 epconfig(sc, epp->epp_chipset, NULL);
246 }
247