if_le.c revision 1.12 1 /* $NetBSD: if_le.c,v 1.12 2003/07/15 02:59:29 lukem 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 <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.12 2003/07/15 02:59:29 lukem Exp $");
41
42 #include "opt_inet.h"
43 #include "bpfilter.h"
44
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/mbuf.h>
48 #include <sys/syslog.h>
49 #include <sys/socket.h>
50 #include <sys/device.h>
51
52 #include <net/if.h>
53 #include <net/if_ether.h>
54 #include <net/if_media.h>
55
56 #ifdef INET
57 #include <netinet/in.h>
58 #include <netinet/if_inarp.h>
59 #endif
60
61 #include <machine/cpu.h>
62 #include <machine/adrsmap.h>
63
64 #include <dev/ic/lancereg.h>
65 #include <dev/ic/lancevar.h>
66 #include <dev/ic/am7990reg.h>
67 #include <dev/ic/am7990var.h>
68
69 #include <newsmips/dev/hbvar.h>
70
71 /*
72 * LANCE registers.
73 * The real stuff is in dev/ic/am7990reg.h
74 */
75 struct lereg1 {
76 volatile u_int16_t ler1_rdp; /* data port */
77 volatile u_int16_t ler1_rap; /* register select port */
78 };
79
80 /*
81 * Ethernet software status per interface.
82 * The real stuff is in dev/ic/am7990var.h
83 */
84 struct le_softc {
85 struct am7990_softc sc_am7990; /* glue to MI code */
86
87 struct lereg1 *sc_r1; /* LANCE registers */
88 };
89
90 static int le_match __P((struct device *, struct cfdata *, void *));
91 static void le_attach __P((struct device *, struct device *, void *));
92
93 CFATTACH_DECL(le, sizeof(struct le_softc),
94 le_match, le_attach, NULL, NULL);
95
96 #if defined(_KERNEL_OPT)
97 #include "opt_ddb.h"
98 #endif
99
100 #ifdef DDB
101 #define integrate
102 #define hide
103 #else
104 #define integrate static __inline
105 #define hide static
106 #endif
107
108 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
109 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
110
111 hide void
112 lewrcsr(sc, port, val)
113 struct lance_softc *sc;
114 u_int16_t port, val;
115 {
116 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
117
118 ler1->ler1_rap = port;
119 ler1->ler1_rdp = val;
120 }
121
122 hide u_int16_t
123 lerdcsr(sc, port)
124 struct lance_softc *sc;
125 u_int16_t port;
126 {
127 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
128 u_int16_t val;
129
130 ler1->ler1_rap = port;
131 val = ler1->ler1_rdp;
132 return (val);
133 }
134
135 int
136 le_match(parent, cf, aux)
137 struct device *parent;
138 struct cfdata *cf;
139 void *aux;
140 {
141 struct hb_attach_args *ha = aux;
142
143 if (strcmp(ha->ha_name, "le"))
144 return 0;
145
146 if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */
147 return 0;
148
149 return 1;
150 }
151
152 void
153 le_attach(parent, self, aux)
154 struct device *parent, *self;
155 void *aux;
156 {
157 struct le_softc *lesc = (struct le_softc *)self;
158 struct lance_softc *sc = &lesc->sc_am7990.lsc;
159 struct hb_attach_args *ha = aux;
160 int intlevel, intmask;
161 u_char *p;
162
163 intlevel = ha->ha_level;
164 if (intlevel == -1) {
165 printf(": interrupt level not configured\n");
166 return;
167 }
168 printf(" level %d", intlevel);
169
170 switch (ha->ha_addr) {
171
172 case LANCE_PORT:
173 sc->sc_mem = (void *)LANCE_MEMORY;
174 p = (u_char *)(ETHER_ID+16);
175 intmask = INTST1_LANCE;
176 break;
177 case LANCE_PORT1:
178 sc->sc_mem = (void *)LANCE_MEMORY1;
179 p = (u_char *)(ETHER_ID1+16);
180 intmask = INTST1_SLOT3; /* XXX not tested */
181 break;
182 case LANCE_PORT2:
183 sc->sc_mem = (void *)LANCE_MEMORY2;
184 p = (u_char *)(ETHER_ID2+16);
185 intmask = INTST1_SLOT3; /* XXX not tested */
186 break;
187
188 default:
189 printf(": unknown LANCE addr\n");
190 return;
191 }
192
193 lesc->sc_r1 = (void *)ha->ha_addr;
194
195 sc->sc_memsize = 0x4000; /* 16K */
196 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
197 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
198
199 sc->sc_enaddr[0] = (*p++ << 4);
200 sc->sc_enaddr[0] |= *p++ & 0x0f;
201 sc->sc_enaddr[1] = (*p++ << 4);
202 sc->sc_enaddr[1] |= *p++ & 0x0f;
203 sc->sc_enaddr[2] = (*p++ << 4);
204 sc->sc_enaddr[2] |= *p++ & 0x0f;
205 sc->sc_enaddr[3] = (*p++ << 4);
206 sc->sc_enaddr[3] |= *p++ & 0x0f;
207 sc->sc_enaddr[4] = (*p++ << 4);
208 sc->sc_enaddr[4] |= *p++ & 0x0f;
209 sc->sc_enaddr[5] = (*p++ << 4);
210 sc->sc_enaddr[5] |= *p++ & 0x0f;
211
212 sc->sc_copytodesc = lance_copytobuf_contig;
213 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
214 sc->sc_copytobuf = lance_copytobuf_contig;
215 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
216 sc->sc_zerobuf = lance_zerobuf_contig;
217
218 sc->sc_rdcsr = lerdcsr;
219 sc->sc_wrcsr = lewrcsr;
220 sc->sc_hwinit = NULL;
221
222 am7990_config(&lesc->sc_am7990);
223 hb_intr_establish(intlevel, intmask, IPL_NET, am7990_intr, sc);
224 }
225