if_sn_nubus.c revision 1.7 1 /* $NetBSD: if_sn_nubus.c,v 1.7 1997/04/14 00:44:01 briggs Exp $ */
2
3 /*
4 * Copyright (C) 1997 Allen Briggs
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Allen Briggs
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/param.h>
34 #include <sys/device.h>
35 #include <sys/errno.h>
36 #include <sys/ioctl.h>
37 #include <sys/socket.h>
38 #include <sys/syslog.h>
39 #include <sys/systm.h>
40
41 #include <net/if.h>
42 #include <net/if_ether.h>
43
44 #if 0 /* XXX this shouldn't be necessary; else reinsert */
45 #ifdef INET
46 #include <netinet/in.h>
47 #include <netinet/if_inarp.h>
48 #endif
49 #endif
50
51 #include <machine/bus.h>
52 #include <machine/viareg.h>
53
54 #include "nubus.h"
55 #include "if_aereg.h" /* For AE_VENDOR values */
56 #include "if_snreg.h"
57 #include "if_snvar.h"
58
59 static int sn_nubus_match __P((struct device *, struct cfdata *, void *));
60 static void sn_nubus_attach __P((struct device *, struct device *, void *));
61 static int sn_nb_card_vendor __P((struct nubus_attach_args *));
62
63 struct cfattach sn_nubus_ca = {
64 sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach
65 };
66
67
68 static int
69 sn_nubus_match(parent, cf, aux)
70 struct device *parent;
71 struct cfdata *cf;
72 void *aux;
73 {
74 struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
75 bus_space_handle_t bsh;
76 int rv;
77
78 if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE,
79 0, &bsh))
80 return (0);
81
82 rv = 0;
83
84 if (na->category == NUBUS_CATEGORY_NETWORK &&
85 na->type == NUBUS_TYPE_ETHERNET) {
86 switch (sn_nb_card_vendor(na)) {
87 default:
88 break;
89
90 case AE_VENDOR_APPLE:
91 case AE_VENDOR_DAYNA:
92 rv = 1;
93 break;
94 }
95 }
96
97 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
98
99 return rv;
100 }
101
102 /*
103 * Install interface into kernel networking data structures
104 */
105 static void
106 sn_nubus_attach(parent, self, aux)
107 struct device *parent, *self;
108 void *aux;
109 {
110 struct sn_softc *sc = (void *)self;
111 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
112 int i, success, offset;
113 bus_space_tag_t bst;
114 bus_space_handle_t bsh, tmp_bsh;
115 u_int8_t myaddr[ETHER_ADDR_LEN];
116
117 bst = na->na_tag;
118 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
119 printf(": failed to map memory space.\n");
120 return;
121 }
122
123 sc->sc_regt = bst;
124 sc->bitmode = 1;
125
126 success = 0;
127
128 sc->bitmode = 1; /* 32-bit card */
129 sc->slotno = na->slot;
130
131 switch (sn_nb_card_vendor(na)) {
132 case AE_VENDOR_DAYNA:
133 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 |
134 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
135 sc->snr_dcr2 = 0;
136
137 if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE,
138 &sc->sc_regh)) {
139 printf(": failed to map register space.\n");
140 break;
141 }
142
143 if (bus_space_subregion(bst, bsh, 0x00ffe004, ETHER_ADDR_LEN,
144 &tmp_bsh)) {
145 printf(": failed to map ROM space.\n");
146 break;
147 }
148
149 sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
150
151 offset = 2;
152 success = 1;
153 break;
154
155 case AE_VENDOR_APPLE:
156 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 |
157 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
158 sc->snr_dcr2 = 0;
159
160 if (bus_space_subregion(bst, bsh, 0x0, SN_REGSIZE,
161 &sc->sc_regh)) {
162 printf(": failed to map register space.\n");
163 break;
164 }
165
166 if (bus_space_subregion(bst, bsh, 0x40000, ETHER_ADDR_LEN,
167 &tmp_bsh)) {
168 printf(": failed to map ROM space.\n");
169 break;
170 }
171
172 sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
173
174 offset = 0;
175 success = 1;
176 break;
177
178 default:
179 /*
180 * You can't actually get this default, the snmatch
181 * will fail for unknown hardware. If you're adding support
182 * for a new card, the following defaults are a
183 * good starting point.
184 */
185 sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 |
186 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
187 sc->snr_dcr2 = 0;
188 printf(": attachment incomplete.\n");
189 return;
190 }
191
192 if (!success) {
193 bus_space_unmap(bst, bsh, NBMEMSIZE);
194 return;
195 }
196
197 /* Regs are addressed as words, big endian. */
198 for (i = 0; i < SN_NREGS; i++) {
199 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + offset);
200 }
201
202 /* snsetup returns 1 if something fails */
203 if (snsetup(sc, myaddr)) {
204 bus_space_unmap(bst, bsh, NBMEMSIZE);
205 return;
206 }
207
208 add_nubus_intr(sc->slotno, snintr, (void *)sc);
209
210 return;
211 }
212
213 static int
214 sn_nb_card_vendor(na)
215 struct nubus_attach_args *na;
216 {
217 int vendor;
218
219 switch (na->drsw) {
220 case NUBUS_DRSW_3COM:
221 switch (na->drhw) {
222 case NUBUS_DRHW_APPLE_SN:
223 vendor = AE_VENDOR_APPLE;
224 break;
225 default:
226 vendor = AE_VENDOR_UNKNOWN;
227 break;
228 }
229 break;
230 case NUBUS_DRSW_APPLE:
231 case NUBUS_DRSW_TECHWORKS:
232 vendor = AE_VENDOR_APPLE;
233 break;
234 case NUBUS_DRSW_ASANTE:
235 vendor = AE_VENDOR_ASANTE;
236 break;
237 case NUBUS_DRSW_FARALLON:
238 vendor = AE_VENDOR_FARALLON;
239 break;
240 case NUBUS_DRSW_FOCUS:
241 vendor = AE_VENDOR_FOCUS;
242 break;
243 case NUBUS_DRSW_GATOR:
244 switch (na->drhw) {
245 default:
246 case NUBUS_DRHW_INTERLAN:
247 vendor = AE_VENDOR_INTERLAN;
248 break;
249 case NUBUS_DRHW_KINETICS:
250 if (strncmp(
251 nubus_get_card_name(na->fmt), "EtherPort", 9) == 0)
252 vendor = AE_VENDOR_KINETICS;
253 else
254 vendor = AE_VENDOR_DAYNA;
255 break;
256 }
257 break;
258 case NUBUS_DRSW_DAYNA:
259 vendor = AE_VENDOR_DAYNA;
260 break;
261 default:
262 #ifdef DIAGNOSTIC
263 printf("Unknown ethernet drsw: %x\n", na->drsw);
264 #endif
265 vendor = AE_VENDOR_UNKNOWN;
266 }
267 return vendor;
268 }
269