1 /* $NetBSD: if_ep_eisa.c,v 1.42 2010/01/18 19:00:58 pooka 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 1.42 2010/01/18 19:00:58 pooka 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 static const struct ep_eisa_product {
132 const char *eep_eisaid; /* EISA ID */
133 u_short eep_chipset; /* 3Com chipset used */
134 int eep_flags; /* initial softc flags */
135 const char *eep_name; /* device name */
136 } ep_eisa_products[] = {
137 { "TCM5090", ELINK_CHIPSET_3C509,
138 0, EISA_PRODUCT_TCM5090 },
139 { "TCM5091", ELINK_CHIPSET_3C509,
140 0, EISA_PRODUCT_TCM5091 },
141 { "TCM5092", ELINK_CHIPSET_3C509,
142 0, EISA_PRODUCT_TCM5092 },
143 { "TCM5093", ELINK_CHIPSET_3C509,
144 0, EISA_PRODUCT_TCM5093 },
145 { "TCM5094", ELINK_CHIPSET_3C509,
146 0, EISA_PRODUCT_TCM5094 },
147 { "TCM5095", ELINK_CHIPSET_3C509,
148 0, EISA_PRODUCT_TCM5095 },
149 { "TCM5098", ELINK_CHIPSET_3C509,
150 0, EISA_PRODUCT_TCM5098 },
151
152 /*
153 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an
154 * MII connector for an external PHY. We treat it as
155 * `manual' in the core driver.
156 */
157 { "TCM5920", ELINK_CHIPSET_VORTEX,
158 0, EISA_PRODUCT_TCM5920 },
159 { "TCM5970", ELINK_CHIPSET_VORTEX,
160 0, EISA_PRODUCT_TCM5970 },
161 { "TCM5971", ELINK_CHIPSET_VORTEX,
162 0, EISA_PRODUCT_TCM5971 },
163 { "TCM5972", ELINK_CHIPSET_VORTEX,
164 0, EISA_PRODUCT_TCM5972 },
165
166 { NULL, 0,
167 0, NULL },
168 };
169
170 static const struct ep_eisa_product *
171 ep_eisa_lookup(const struct eisa_attach_args *ea)
172 {
173 const struct ep_eisa_product *eep;
174
175 for (eep = ep_eisa_products; eep->eep_name != NULL; eep++)
176 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0)
177 return (eep);
178
179 return (NULL);
180 }
181
182 static int
183 ep_eisa_match(device_t parent, cfdata_t match, void *aux)
184 {
185 struct eisa_attach_args *ea = aux;
186
187 /* must match one of our known ID strings */
188 if (ep_eisa_lookup(ea) != NULL)
189 return (1);
190
191 return (0);
192 }
193
194 static void
195 ep_eisa_attach(device_t parent, device_t self, void *aux)
196 {
197 struct ep_softc *sc = device_private(self);
198 struct eisa_attach_args *ea = aux;
199 bus_space_tag_t iot = ea->ea_iot;
200 bus_space_handle_t ioh, ioh_cfg;
201 eisa_chipset_tag_t ec = ea->ea_ec;
202 eisa_intr_handle_t ih;
203 const char *intrstr;
204 const struct ep_eisa_product *eep;
205 u_int irq;
206
207 /* Map i/o space. */
208 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE,
209 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) {
210 printf("\n");
211 panic("ep_eisa_attach: can't map eisa cfg i/o space");
212 }
213 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET,
214 EP_IOPORT_SIZE, 0, &ioh)) {
215 printf("\n");
216 panic("ep_eisa_attach: can't map i/o space");
217 }
218
219 sc->sc_dev = self;
220 sc->sc_ioh = ioh;
221 sc->sc_iot = iot;
222
223 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE);
224 delay(4000);
225
226 /* Read the IRQ from the card. */
227 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12;
228
229 eep = ep_eisa_lookup(ea);
230 if (eep == NULL) {
231 printf("\n");
232 panic("ep_eisa_attach: impossible");
233 }
234
235 /* we don't need access to the config registers any more, but
236 noone else should be able to map this space, so keep it
237 reserved? */
238 #if 0
239 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE);
240 #endif
241
242 printf(": %s\n", eep->eep_name);
243
244 sc->enable = NULL;
245 sc->disable = NULL;
246 sc->enabled = 1;
247
248 sc->bustype = ELINK_BUS_EISA;
249 sc->ep_flags = eep->eep_flags;
250
251 if (eisa_intr_map(ec, irq, &ih)) {
252 aprint_error_dev(sc->sc_dev, "couldn't map interrupt (%u)\n",
253 irq);
254 return;
255 }
256 intrstr = eisa_intr_string(ec, ih);
257 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
258 epintr, sc);
259 if (sc->sc_ih == NULL) {
260 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
261 if (intrstr != NULL)
262 aprint_error(" at %s", intrstr);
263 aprint_error("\n");
264 return;
265 }
266 if (intrstr != NULL)
267 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
268
269 epconfig(sc, eep->eep_chipset, NULL);
270 }
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