1 /* $NetBSD: if_ep_eisa.c,v 1.44 2021/01/27 04:35:15 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org>
35 * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by Herb Peyerl.
49 * This product includes software developed by Jonathan Stone.
50 * 4. The name of Herb Peyerl or Jonathan Stone may not be used to endorse
51 * or promote products derived from this software without specific
52 * prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 */
65
66 #include <sys/cdefs.h>
67 __KERNEL_RCSID(0, "$NetBSD: if_ep_eisa.c,v 1.44 2021/01/27 04:35:15 thorpej Exp $");
68
69 #include "opt_inet.h"
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 #ifdef INET
87 #include <netinet/in.h>
88 #include <netinet/in_systm.h>
89 #include <netinet/in_var.h>
90 #include <netinet/ip.h>
91 #include <netinet/if_inarp.h>
92 #endif
93
94 #include <sys/cpu.h>
95 #include <sys/bus.h>
96 #include <sys/intr.h>
97
98 #include <dev/mii/miivar.h>
99
100 #include <dev/ic/elink3var.h>
101 #include <dev/ic/elink3reg.h>
102
103 #include <dev/eisa/eisareg.h>
104 #include <dev/eisa/eisavar.h>
105 #include <dev/eisa/eisadevs.h>
106
107 static int ep_eisa_match(device_t , cfdata_t , void *);
108 static void ep_eisa_attach(device_t , device_t , void *);
109
110 CFATTACH_DECL_NEW(ep_eisa, sizeof(struct ep_softc),
111 ep_eisa_match, ep_eisa_attach, NULL, NULL);
112
113 /* XXX move these somewhere else */
114 /* While attaching we need a few special EISA registers of the card,
115 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */
116 #define EP_EISA_CFG_BASE 0x0c80
117 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */
118 #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */
119 #define EP_EISA_CFG_SIZE 0x000a
120
121 /* The generic driver backend only needs access to the standard ports,
122 mapped at the beginning of the eisa slot space */
123 #define EP_IOPORT_OFFSET 0x0000
124 #define EP_IOPORT_SIZE 0x0020
125
126 /* Bits for the eisa control register */
127 #define EISA_RESET 0x04
128 #define EISA_ERROR 0x02
129 #define EISA_ENABLE 0x01
130
131 struct ep_eisa_product {
132 u_short chipset; /* 3Com chipset used */
133 int flags; /* initial softc flags */
134 const char *name; /* device name */
135 };
136
137 static const struct ep_eisa_product tcm5090 = {
138 .chipset = ELINK_CHIPSET_3C509,
139 .flags = 0,
140 .name = EISA_PRODUCT_TCM5090
141 };
142
143 static const struct ep_eisa_product tcm5091 = {
144 .chipset = ELINK_CHIPSET_3C509,
145 .flags = 0,
146 .name = EISA_PRODUCT_TCM5091
147 };
148
149 static const struct ep_eisa_product tcm5092 = {
150 .chipset = ELINK_CHIPSET_3C509,
151 .flags = 0,
152 .name = EISA_PRODUCT_TCM5092
153 };
154
155 static const struct ep_eisa_product tcm5093 = {
156 .chipset = ELINK_CHIPSET_3C509,
157 .flags = 0,
158 .name = EISA_PRODUCT_TCM5093
159 };
160
161 static const struct ep_eisa_product tcm5094 = {
162 .chipset = ELINK_CHIPSET_3C509,
163 .flags = 0,
164 .name = EISA_PRODUCT_TCM5094
165 };
166
167 static const struct ep_eisa_product tcm5095 = {
168 .chipset = ELINK_CHIPSET_3C509,
169 .flags = 0,
170 .name = EISA_PRODUCT_TCM5095
171 };
172
173 static const struct ep_eisa_product tcm5098 = {
174 .chipset = ELINK_CHIPSET_3C509,
175 .flags = 0,
176 .name = EISA_PRODUCT_TCM5098
177 };
178
179 static const struct ep_eisa_product tcm5920 = {
180 .chipset = ELINK_CHIPSET_VORTEX,
181 .flags = 0,
182 .name = EISA_PRODUCT_TCM5920
183 };
184
185 static const struct ep_eisa_product tcm5970 = {
186 .chipset = ELINK_CHIPSET_VORTEX,
187 .flags = 0,
188 .name = EISA_PRODUCT_TCM5970
189 };
190
191 static const struct ep_eisa_product tcm5971 = {
192 .chipset = ELINK_CHIPSET_VORTEX,
193 .flags = 0,
194 .name = EISA_PRODUCT_TCM5971
195 };
196
197 /*
198 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an
199 * MII connector for an external PHY. We treat it as
200 * `manual' in the core driver.
201 */
202 static const struct ep_eisa_product tcm5972 = {
203 .chipset = ELINK_CHIPSET_VORTEX,
204 .flags = 0,
205 .name = EISA_PRODUCT_TCM5972
206 };
207
208 static const struct device_compatible_entry compat_data[] = {
209 { .compat = "TCM5090", .data = &tcm5090 },
210 { .compat = "TCM5091", .data = &tcm5091 },
211 { .compat = "TCM5092", .data = &tcm5092 },
212 { .compat = "TCM5093", .data = &tcm5093 },
213 { .compat = "TCM5094", .data = &tcm5094 },
214 { .compat = "TCM5095", .data = &tcm5095 },
215 { .compat = "TCM5098", .data = &tcm5098 },
216 { .compat = "TCM5920", .data = &tcm5920 },
217 { .compat = "TCM5970", .data = &tcm5970 },
218 { .compat = "TCM5971", .data = &tcm5971 },
219 { .compat = "TCM5972", .data = &tcm5972 },
220 DEVICE_COMPAT_EOL
221 };
222
223 static int
ep_eisa_match(device_t parent,cfdata_t match,void * aux)224 ep_eisa_match(device_t parent, cfdata_t match, void *aux)
225 {
226 struct eisa_attach_args *ea = aux;
227
228 return (eisa_compatible_match(ea, compat_data));
229 }
230
231 static void
ep_eisa_attach(device_t parent,device_t self,void * aux)232 ep_eisa_attach(device_t parent, device_t self, void *aux)
233 {
234 struct ep_softc *sc = device_private(self);
235 struct eisa_attach_args *ea = aux;
236 const struct device_compatible_entry *dce;
237 bus_space_tag_t iot = ea->ea_iot;
238 bus_space_handle_t ioh, ioh_cfg;
239 eisa_chipset_tag_t ec = ea->ea_ec;
240 eisa_intr_handle_t ih;
241 const char *intrstr;
242 const struct ep_eisa_product *eep;
243 u_int irq;
244 char intrbuf[EISA_INTRSTR_LEN];
245
246 /* Map i/o space. */
247 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE,
248 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) {
249 printf("\n");
250 panic("ep_eisa_attach: can't map eisa cfg i/o space");
251 }
252 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET,
253 EP_IOPORT_SIZE, 0, &ioh)) {
254 printf("\n");
255 panic("ep_eisa_attach: can't map i/o space");
256 }
257
258 sc->sc_dev = self;
259 sc->sc_ioh = ioh;
260 sc->sc_iot = iot;
261
262 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE);
263 delay(4000);
264
265 /* Read the IRQ from the card. */
266 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12;
267
268 dce = eisa_compatible_lookup(ea, compat_data);
269 KASSERT(dce != NULL);
270 eep = dce->data;
271
272 /* we don't need access to the config registers any more, but
273 noone else should be able to map this space, so keep it
274 reserved? */
275 #if 0
276 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE);
277 #endif
278
279 printf(": %s\n", eep->name);
280
281 sc->enable = NULL;
282 sc->disable = NULL;
283 sc->enabled = 1;
284
285 sc->bustype = ELINK_BUS_EISA;
286 sc->ep_flags = eep->flags;
287
288 if (eisa_intr_map(ec, irq, &ih)) {
289 aprint_error_dev(sc->sc_dev, "couldn't map interrupt (%u)\n",
290 irq);
291 return;
292 }
293 intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf));
294 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
295 epintr, sc);
296 if (sc->sc_ih == NULL) {
297 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
298 if (intrstr != NULL)
299 aprint_error(" at %s", intrstr);
300 aprint_error("\n");
301 return;
302 }
303 if (intrstr != NULL)
304 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
305
306 epconfig(sc, eep->chipset, NULL);
307 }
308