if_le.c revision 1.3.20.1 1 /* $NetBSD: if_le.c,v 1.3.20.1 1999/12/27 18:33:06 wrstuden Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Adam Glass and Gordon W. Ross.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include "opt_inet.h"
40 #include "bpfilter.h"
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/mbuf.h>
45 #include <sys/syslog.h>
46 #include <sys/socket.h>
47 #include <sys/device.h>
48
49 #include <net/if.h>
50 #include <net/if_ether.h>
51 #include <net/if_media.h>
52
53 #ifdef INET
54 #include <netinet/in.h>
55 #include <netinet/if_inarp.h>
56 #endif
57
58 #include <machine/autoconf.h>
59 #include <machine/cpu.h>
60 #include <machine/adrsmap.h>
61
62 #include <dev/ic/lancereg.h>
63 #include <dev/ic/lancevar.h>
64 #include <dev/ic/am7990reg.h>
65 #include <dev/ic/am7990var.h>
66
67 /*
68 * LANCE registers.
69 * The real stuff is in dev/ic/am7990reg.h
70 */
71 struct lereg1 {
72 volatile u_int16_t ler1_rdp; /* data port */
73 volatile u_int16_t ler1_rap; /* register select port */
74 };
75
76 /*
77 * Ethernet software status per interface.
78 * The real stuff is in dev/ic/am7990var.h
79 */
80 struct le_softc {
81 struct am7990_softc sc_am7990; /* glue to MI code */
82
83 struct lereg1 *sc_r1; /* LANCE registers */
84 };
85
86 static int le_match __P((struct device *, struct cfdata *, void *));
87 static void le_attach __P((struct device *, struct device *, void *));
88
89 struct cfattach le_ca = {
90 sizeof(struct le_softc), le_match, le_attach
91 };
92
93 #if defined(_KERNEL) && !defined(_LKM)
94 #include "opt_ddb.h"
95 #endif
96
97 #ifdef DDB
98 #define integrate
99 #define hide
100 #else
101 #define integrate static __inline
102 #define hide static
103 #endif
104
105 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
106 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
107
108 hide void
109 lewrcsr(sc, port, val)
110 struct lance_softc *sc;
111 u_int16_t port, val;
112 {
113 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
114
115 ler1->ler1_rap = port;
116 ler1->ler1_rdp = val;
117 }
118
119 hide u_int16_t
120 lerdcsr(sc, port)
121 struct lance_softc *sc;
122 u_int16_t port;
123 {
124 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
125 u_int16_t val;
126
127 ler1->ler1_rap = port;
128 val = ler1->ler1_rdp;
129 return (val);
130 }
131
132 int
133 le_match(parent, cf, aux)
134 struct device *parent;
135 struct cfdata *cf;
136 void *aux;
137 {
138 struct confargs *ca = aux;
139 int addr;
140
141 if (strcmp(ca->ca_name, "le"))
142 return 0;
143
144 switch(cf->cf_unit) {
145
146 case 0:
147 addr = LANCE_PORT;
148 break;
149 case 1:
150 addr = LANCE_PORT1;
151 break;
152 case 2:
153 addr = LANCE_PORT2;
154 break;
155
156 default:
157 return 0;
158 }
159
160 if (badaddr((void *)addr, 1))
161 return 0;
162
163 return 1;
164 }
165
166 void
167 le_attach(parent, self, aux)
168 struct device *parent, *self;
169 void *aux;
170 {
171 struct le_softc *lesc = (struct le_softc *)self;
172 struct lance_softc *sc = &lesc->sc_am7990.lsc;
173 /*struct confargs *ca = aux;*/
174 int intlevel;
175 u_char *p;
176
177 intlevel = self->dv_cfdata->cf_level;
178 if (intlevel == -1) {
179 printf(": interrupt level not configured\n");
180 return;
181 }
182 printf(" level %d", intlevel);
183
184 switch (sc->sc_dev.dv_unit) {
185
186 case 0:
187 lesc->sc_r1 = (void *)LANCE_PORT;
188 sc->sc_mem = (void *)LANCE_MEMORY;
189 p = (u_char *)(ETHER_ID+16);
190 break;
191 case 1:
192 lesc->sc_r1 = (void *)LANCE_PORT1;
193 sc->sc_mem = (void *)LANCE_MEMORY1;
194 p = (u_char *)(ETHER_ID1+16);
195 break;
196 case 2:
197 lesc->sc_r1 = (void *)LANCE_PORT2;
198 sc->sc_mem = (void *)LANCE_MEMORY2;
199 p = (u_char *)(ETHER_ID2+16);
200 break;
201
202 default:
203 panic("le_attach");
204 }
205
206 sc->sc_memsize = 0x4000; /* 16K */
207 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
208 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
209
210 sc->sc_enaddr[0] = (*p++ << 4);
211 sc->sc_enaddr[0] |= *p++ & 0x0f;
212 sc->sc_enaddr[1] = (*p++ << 4);
213 sc->sc_enaddr[1] |= *p++ & 0x0f;
214 sc->sc_enaddr[2] = (*p++ << 4);
215 sc->sc_enaddr[2] |= *p++ & 0x0f;
216 sc->sc_enaddr[3] = (*p++ << 4);
217 sc->sc_enaddr[3] |= *p++ & 0x0f;
218 sc->sc_enaddr[4] = (*p++ << 4);
219 sc->sc_enaddr[4] |= *p++ & 0x0f;
220 sc->sc_enaddr[5] = (*p++ << 4);
221 sc->sc_enaddr[5] |= *p++ & 0x0f;
222
223 sc->sc_copytodesc = lance_copytobuf_contig;
224 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
225 sc->sc_copytobuf = lance_copytobuf_contig;
226 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
227 sc->sc_zerobuf = lance_zerobuf_contig;
228
229 sc->sc_rdcsr = lerdcsr;
230 sc->sc_wrcsr = lewrcsr;
231 sc->sc_hwinit = NULL;
232
233 am7990_config(&lesc->sc_am7990);
234
235 switch (sc->sc_dev.dv_unit) {
236 case 0:
237 hb_intr_establish(intlevel, IPL_NET, am7990_intr, sc);
238 break;
239 default:
240 hb_intr_establish(intlevel, IPL_NET, am7990_intr, sc);
241 break;
242 }
243 }
244