if_ep_eisa.c revision 1.22.8.1 1 /* $NetBSD: if_ep_eisa.c,v 1.22.8.1 2002/01/10 19:53:53 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 * This product includes software developed by Jonathan Stone.
57 * 4. The name of Herb Peyerl or Jonathan Stone may not be used to endorse
58 * or promote products derived from this software without specific
59 * prior written permission.
60 *
61 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
62 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
63 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
64 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
65 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
66 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
67 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
68 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
69 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
70 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
71 */
72
73 #include <sys/cdefs.h>
74 __KERNEL_RCSID(0, "$NetBSD: if_ep_eisa.c,v 1.22.8.1 2002/01/10 19:53:53 thorpej Exp $");
75
76 #include "opt_inet.h"
77 #include "opt_ns.h"
78 #include "bpfilter.h"
79
80 #include <sys/param.h>
81 #include <sys/systm.h>
82 #include <sys/mbuf.h>
83 #include <sys/socket.h>
84 #include <sys/ioctl.h>
85 #include <sys/errno.h>
86 #include <sys/syslog.h>
87 #include <sys/select.h>
88 #include <sys/device.h>
89
90 #include <net/if.h>
91 #include <net/if_dl.h>
92 #include <net/if_ether.h>
93 #include <net/if_media.h>
94
95 #ifdef INET
96 #include <netinet/in.h>
97 #include <netinet/in_systm.h>
98 #include <netinet/in_var.h>
99 #include <netinet/ip.h>
100 #include <netinet/if_inarp.h>
101 #endif
102
103 #ifdef NS
104 #include <netns/ns.h>
105 #include <netns/ns_if.h>
106 #endif
107
108 #if NBPFILTER > 0
109 #include <net/bpf.h>
110 #include <net/bpfdesc.h>
111 #endif
112
113 #include <machine/cpu.h>
114 #include <machine/bus.h>
115 #include <machine/intr.h>
116
117 #include <dev/mii/miivar.h>
118
119 #include <dev/ic/elink3var.h>
120 #include <dev/ic/elink3reg.h>
121
122 #include <dev/eisa/eisareg.h>
123 #include <dev/eisa/eisavar.h>
124 #include <dev/eisa/eisadevs.h>
125
126 int ep_eisa_match __P((struct device *, struct cfdata *, void *));
127 void ep_eisa_attach __P((struct device *, struct device *, void *));
128
129 struct cfattach ep_eisa_ca = {
130 sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach
131 };
132
133 /* XXX move these somewhere else */
134 /* While attaching we need a few special EISA registers of the card,
135 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */
136 #define EP_EISA_CFG_BASE 0x0c80
137 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */
138 #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */
139 #define EP_EISA_CFG_SIZE 0x000a
140
141 /* The generic driver backend only needs access to the standard ports,
142 mapped at the beginning of the eisa slot space */
143 #define EP_IOPORT_OFFSET 0x0000
144 #define EP_IOPORT_SIZE 0x0020
145
146 /* Bits for the eisa control register */
147 #define EISA_RESET 0x04
148 #define EISA_ERROR 0x02
149 #define EISA_ENABLE 0x01
150
151 struct ep_eisa_product {
152 const char *eep_eisaid; /* EISA ID */
153 u_short eep_chipset; /* 3Com chipset used */
154 int eep_flags; /* initial softc flags */
155 const char *eep_name; /* device name */
156 } ep_eisa_products[] = {
157 { "TCM5091", ELINK_CHIPSET_3C509,
158 0, EISA_PRODUCT_TCM5091 },
159
160 { "TCM5092", ELINK_CHIPSET_3C509,
161 0, EISA_PRODUCT_TCM5092 },
162 { "TCM5093", ELINK_CHIPSET_3C509,
163 0, EISA_PRODUCT_TCM5093 },
164 { "TCM5094", ELINK_CHIPSET_3C509,
165 0, EISA_PRODUCT_TCM5094 },
166 { "TCM5095", ELINK_CHIPSET_3C509,
167 0, EISA_PRODUCT_TCM5095 },
168 { "TCM5098", ELINK_CHIPSET_3C509,
169 0, EISA_PRODUCT_TCM5098 },
170
171 /*
172 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an
173 * MII connector for an external PHY. We treat it as
174 * `manual' in the core driver.
175 */
176 { "TCM5920", ELINK_CHIPSET_VORTEX,
177 0, EISA_PRODUCT_TCM5920 },
178 { "TCM5970", ELINK_CHIPSET_VORTEX,
179 0, EISA_PRODUCT_TCM5970 },
180 { "TCM5971", ELINK_CHIPSET_VORTEX,
181 0, EISA_PRODUCT_TCM5971 },
182 { "TCM5972", ELINK_CHIPSET_VORTEX,
183 0, EISA_PRODUCT_TCM5972 },
184
185 { NULL, 0,
186 0, NULL },
187 };
188
189 struct ep_eisa_product *ep_eisa_lookup __P((struct eisa_attach_args *));
190
191 struct ep_eisa_product *
192 ep_eisa_lookup(ea)
193 struct eisa_attach_args *ea;
194 {
195 struct ep_eisa_product *eep;
196
197 for (eep = ep_eisa_products; eep->eep_name != NULL; eep++)
198 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0)
199 return (eep);
200
201 return (NULL);
202 }
203
204 int
205 ep_eisa_match(parent, match, aux)
206 struct device *parent;
207 struct cfdata *match;
208 void *aux;
209 {
210 struct eisa_attach_args *ea = aux;
211
212 /* must match one of our known ID strings */
213 if (ep_eisa_lookup(ea) != NULL)
214 return (1);
215
216 return (0);
217 }
218
219 void
220 ep_eisa_attach(parent, self, aux)
221 struct device *parent, *self;
222 void *aux;
223 {
224 struct ep_softc *sc = (void *)self;
225 struct eisa_attach_args *ea = aux;
226 bus_space_tag_t iot = ea->ea_iot;
227 bus_space_handle_t ioh, ioh_cfg;
228 eisa_chipset_tag_t ec = ea->ea_ec;
229 eisa_intr_handle_t ih;
230 const char *intrstr;
231 struct ep_eisa_product *eep;
232 u_int irq;
233
234 /* Map i/o space. */
235 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE,
236 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) {
237 printf("\n");
238 panic("ep_eisa_attach: can't map eisa cfg i/o space");
239 }
240 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET,
241 EP_IOPORT_SIZE, 0, &ioh)) {
242 printf("\n");
243 panic("ep_eisa_attach: can't map i/o space");
244 }
245
246 sc->sc_ioh = ioh;
247 sc->sc_iot = iot;
248
249 /* Reset card. */
250 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL,
251 EISA_ENABLE | EISA_RESET);
252 delay(4000);
253 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE);
254 /* Wait for reset? */
255 delay(1000);
256
257 /* Read the IRQ from the card. */
258 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12;
259
260 eep = ep_eisa_lookup(ea);
261 if (eep == NULL) {
262 printf("\n");
263 panic("ep_eisa_attach: impossible");
264 }
265
266 /* we don't need access to the config registers any more, but
267 noone else should be able to map this space, so keep it
268 reserved? */
269 #if 0
270 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE);
271 #endif
272
273 printf(": %s\n", eep->eep_name);
274
275 sc->enable = NULL;
276 sc->disable = NULL;
277 sc->enabled = 1;
278
279 sc->bustype = ELINK_BUS_EISA;
280 sc->ep_flags = eep->eep_flags;
281
282 if (eisa_intr_map(ec, irq, &ih)) {
283 printf("%s: couldn't map interrupt (%u)\n",
284 sc->sc_dev.dv_xname, irq);
285 return;
286 }
287 intrstr = eisa_intr_string(ec, ih);
288 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
289 epintr, sc);
290 if (sc->sc_ih == NULL) {
291 printf("%s: couldn't establish interrupt",
292 sc->sc_dev.dv_xname);
293 if (intrstr != NULL)
294 printf(" at %s", intrstr);
295 printf("\n");
296 return;
297 }
298 if (intrstr != NULL)
299 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
300 intrstr);
301
302 epconfig(sc, eep->eep_chipset, NULL);
303 }
304