1 /* $NetBSD: if_ep_eisa.c,v 1.30 2005/02/27 00:26:59 perry 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@NetBSD.org>
42 * Copyright (c) 1994 Herb Peyerl <hpeyerl@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 1.30 2005/02/27 00:26:59 perry 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 static int ep_eisa_match(struct device *, struct cfdata *, void *);
127 static void ep_eisa_attach(struct device *, struct device *, void *);
128
129 CFATTACH_DECL(ep_eisa, sizeof(struct ep_softc),
130 ep_eisa_match, ep_eisa_attach, NULL, NULL);
131
132 /* XXX move these somewhere else */
133 /* While attaching we need a few special EISA registers of the card,
134 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */
135 #define EP_EISA_CFG_BASE 0x0c80
136 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */
137 #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */
138 #define EP_EISA_CFG_SIZE 0x000a
139
140 /* The generic driver backend only needs access to the standard ports,
141 mapped at the beginning of the eisa slot space */
142 #define EP_IOPORT_OFFSET 0x0000
143 #define EP_IOPORT_SIZE 0x0020
144
145 /* Bits for the eisa control register */
146 #define EISA_RESET 0x04
147 #define EISA_ERROR 0x02
148 #define EISA_ENABLE 0x01
149
150 static const struct ep_eisa_product {
151 const char *eep_eisaid; /* EISA ID */
152 u_short eep_chipset; /* 3Com chipset used */
153 int eep_flags; /* initial softc flags */
154 const char *eep_name; /* device name */
155 } ep_eisa_products[] = {
156 { "TCM5091", ELINK_CHIPSET_3C509,
157 0, EISA_PRODUCT_TCM5091 },
158
159 { "TCM5092", ELINK_CHIPSET_3C509,
160 0, EISA_PRODUCT_TCM5092 },
161 { "TCM5093", ELINK_CHIPSET_3C509,
162 0, EISA_PRODUCT_TCM5093 },
163 { "TCM5094", ELINK_CHIPSET_3C509,
164 0, EISA_PRODUCT_TCM5094 },
165 { "TCM5095", ELINK_CHIPSET_3C509,
166 0, EISA_PRODUCT_TCM5095 },
167 { "TCM5098", ELINK_CHIPSET_3C509,
168 0, EISA_PRODUCT_TCM5098 },
169
170 /*
171 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an
172 * MII connector for an external PHY. We treat it as
173 * `manual' in the core driver.
174 */
175 { "TCM5920", ELINK_CHIPSET_VORTEX,
176 0, EISA_PRODUCT_TCM5920 },
177 { "TCM5970", ELINK_CHIPSET_VORTEX,
178 0, EISA_PRODUCT_TCM5970 },
179 { "TCM5971", ELINK_CHIPSET_VORTEX,
180 0, EISA_PRODUCT_TCM5971 },
181 { "TCM5972", ELINK_CHIPSET_VORTEX,
182 0, EISA_PRODUCT_TCM5972 },
183
184 { NULL, 0,
185 0, NULL },
186 };
187
188 static const struct ep_eisa_product *
189 ep_eisa_lookup(const struct eisa_attach_args *ea)
190 {
191 const struct ep_eisa_product *eep;
192
193 for (eep = ep_eisa_products; eep->eep_name != NULL; eep++)
194 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0)
195 return (eep);
196
197 return (NULL);
198 }
199
200 static int
201 ep_eisa_match(struct device *parent, struct cfdata *match, void *aux)
202 {
203 struct eisa_attach_args *ea = aux;
204
205 /* must match one of our known ID strings */
206 if (ep_eisa_lookup(ea) != NULL)
207 return (1);
208
209 return (0);
210 }
211
212 static void
213 ep_eisa_attach(struct device *parent, struct device *self, void *aux)
214 {
215 struct ep_softc *sc = (void *)self;
216 struct eisa_attach_args *ea = aux;
217 bus_space_tag_t iot = ea->ea_iot;
218 bus_space_handle_t ioh, ioh_cfg;
219 eisa_chipset_tag_t ec = ea->ea_ec;
220 eisa_intr_handle_t ih;
221 const char *intrstr;
222 const struct ep_eisa_product *eep;
223 u_int irq;
224
225 /* Map i/o space. */
226 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE,
227 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) {
228 printf("\n");
229 panic("ep_eisa_attach: can't map eisa cfg i/o space");
230 }
231 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET,
232 EP_IOPORT_SIZE, 0, &ioh)) {
233 printf("\n");
234 panic("ep_eisa_attach: can't map i/o space");
235 }
236
237 sc->sc_ioh = ioh;
238 sc->sc_iot = iot;
239
240 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE);
241 delay(4000);
242
243 /* Read the IRQ from the card. */
244 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12;
245
246 eep = ep_eisa_lookup(ea);
247 if (eep == NULL) {
248 printf("\n");
249 panic("ep_eisa_attach: impossible");
250 }
251
252 /* we don't need access to the config registers any more, but
253 noone else should be able to map this space, so keep it
254 reserved? */
255 #if 0
256 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE);
257 #endif
258
259 printf(": %s\n", eep->eep_name);
260
261 sc->enable = NULL;
262 sc->disable = NULL;
263 sc->enabled = 1;
264
265 sc->bustype = ELINK_BUS_EISA;
266 sc->ep_flags = eep->eep_flags;
267
268 if (eisa_intr_map(ec, irq, &ih)) {
269 printf("%s: couldn't map interrupt (%u)\n",
270 sc->sc_dev.dv_xname, irq);
271 return;
272 }
273 intrstr = eisa_intr_string(ec, ih);
274 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
275 epintr, sc);
276 if (sc->sc_ih == NULL) {
277 printf("%s: couldn't establish interrupt",
278 sc->sc_dev.dv_xname);
279 if (intrstr != NULL)
280 printf(" at %s", intrstr);
281 printf("\n");
282 return;
283 }
284 if (intrstr != NULL)
285 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
286 intrstr);
287
288 epconfig(sc, eep->eep_chipset, NULL);
289 }
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