if_le.c revision 1.10 1 /* $NetBSD: if_le.c,v 1.10 2003/05/09 13:36:40 tsutsui 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/cpu.h>
59 #include <machine/adrsmap.h>
60
61 #include <dev/ic/lancereg.h>
62 #include <dev/ic/lancevar.h>
63 #include <dev/ic/am7990reg.h>
64 #include <dev/ic/am7990var.h>
65
66 #include <newsmips/dev/hbvar.h>
67
68 /*
69 * LANCE registers.
70 * The real stuff is in dev/ic/am7990reg.h
71 */
72 struct lereg1 {
73 volatile u_int16_t ler1_rdp; /* data port */
74 volatile u_int16_t ler1_rap; /* register select port */
75 };
76
77 /*
78 * Ethernet software status per interface.
79 * The real stuff is in dev/ic/am7990var.h
80 */
81 struct le_softc {
82 struct am7990_softc sc_am7990; /* glue to MI code */
83
84 struct lereg1 *sc_r1; /* LANCE registers */
85 };
86
87 static int le_match __P((struct device *, struct cfdata *, void *));
88 static void le_attach __P((struct device *, struct device *, void *));
89
90 CFATTACH_DECL(le, sizeof(struct le_softc),
91 le_match, le_attach, NULL, NULL);
92
93 #if defined(_KERNEL_OPT)
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 hb_attach_args *ha = aux;
139
140 if (strcmp(ha->ha_name, "le"))
141 return 0;
142
143 if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */
144 return 0;
145
146 return 1;
147 }
148
149 void
150 le_attach(parent, self, aux)
151 struct device *parent, *self;
152 void *aux;
153 {
154 struct le_softc *lesc = (struct le_softc *)self;
155 struct lance_softc *sc = &lesc->sc_am7990.lsc;
156 struct hb_attach_args *ha = aux;
157 int intlevel;
158 u_char *p;
159
160 intlevel = ha->ha_level;
161 if (intlevel == -1) {
162 printf(": interrupt level not configured\n");
163 return;
164 }
165 printf(" level %d", intlevel);
166
167 switch (ha->ha_addr) {
168
169 case LANCE_PORT:
170 sc->sc_mem = (void *)LANCE_MEMORY;
171 p = (u_char *)(ETHER_ID+16);
172 break;
173 case LANCE_PORT1:
174 sc->sc_mem = (void *)LANCE_MEMORY1;
175 p = (u_char *)(ETHER_ID1+16);
176 break;
177 case LANCE_PORT2:
178 sc->sc_mem = (void *)LANCE_MEMORY2;
179 p = (u_char *)(ETHER_ID2+16);
180 break;
181
182 default:
183 printf(": unknown LANCE addr\n");
184 return;
185 }
186
187 lesc->sc_r1 = (void *)ha->ha_addr;
188
189 sc->sc_memsize = 0x4000; /* 16K */
190 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
191 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
192
193 sc->sc_enaddr[0] = (*p++ << 4);
194 sc->sc_enaddr[0] |= *p++ & 0x0f;
195 sc->sc_enaddr[1] = (*p++ << 4);
196 sc->sc_enaddr[1] |= *p++ & 0x0f;
197 sc->sc_enaddr[2] = (*p++ << 4);
198 sc->sc_enaddr[2] |= *p++ & 0x0f;
199 sc->sc_enaddr[3] = (*p++ << 4);
200 sc->sc_enaddr[3] |= *p++ & 0x0f;
201 sc->sc_enaddr[4] = (*p++ << 4);
202 sc->sc_enaddr[4] |= *p++ & 0x0f;
203 sc->sc_enaddr[5] = (*p++ << 4);
204 sc->sc_enaddr[5] |= *p++ & 0x0f;
205
206 sc->sc_copytodesc = lance_copytobuf_contig;
207 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
208 sc->sc_copytobuf = lance_copytobuf_contig;
209 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
210 sc->sc_zerobuf = lance_zerobuf_contig;
211
212 sc->sc_rdcsr = lerdcsr;
213 sc->sc_wrcsr = lewrcsr;
214 sc->sc_hwinit = NULL;
215
216 am7990_config(&lesc->sc_am7990);
217 hb_intr_establish(intlevel, IPL_NET, am7990_intr, sc);
218 }
219