if_le.c revision 1.12.10.1 1 /* $NetBSD: if_le.c,v 1.12.10.1 2005/02/12 18:17:37 yamt 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 1.12.10.1 2005/02/12 18:17:37 yamt 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 uint16_t ler1_rdp; /* data port */
77 volatile uint16_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(struct device *, struct cfdata *, void *);
91 static void le_attach(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(struct lance_softc *, uint16_t, uint16_t);
109 hide uint16_t lerdcsr(struct lance_softc *, uint16_t);
110
111 hide void
112 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
113 {
114 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
115
116 ler1->ler1_rap = port;
117 ler1->ler1_rdp = val;
118 }
119
120 hide uint16_t
121 lerdcsr(struct lance_softc *sc, uint16_t port)
122 {
123 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
124 uint16_t val;
125
126 ler1->ler1_rap = port;
127 val = ler1->ler1_rdp;
128 return val;
129 }
130
131 int
132 le_match(struct device *parent, struct cfdata *cf, void *aux)
133 {
134 struct hb_attach_args *ha = aux;
135
136 if (strcmp(ha->ha_name, "le"))
137 return 0;
138
139 if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */
140 return 0;
141
142 return 1;
143 }
144
145 void
146 le_attach(struct device *parent, struct device *self, void *aux)
147 {
148 struct le_softc *lesc = (struct le_softc *)self;
149 struct lance_softc *sc = &lesc->sc_am7990.lsc;
150 struct hb_attach_args *ha = aux;
151 int intlevel, intmask;
152 u_char *p;
153
154 intlevel = ha->ha_level;
155 if (intlevel == -1) {
156 printf(": interrupt level not configured\n");
157 return;
158 }
159 printf(" level %d", intlevel);
160
161 switch (ha->ha_addr) {
162
163 case LANCE_PORT:
164 sc->sc_mem = (void *)LANCE_MEMORY;
165 p = (u_char *)(ETHER_ID + 16);
166 intmask = INTST1_LANCE;
167 break;
168 case LANCE_PORT1:
169 sc->sc_mem = (void *)LANCE_MEMORY1;
170 p = (u_char *)(ETHER_ID1 + 16);
171 intmask = INTST1_SLOT3; /* XXX not tested */
172 break;
173 case LANCE_PORT2:
174 sc->sc_mem = (void *)LANCE_MEMORY2;
175 p = (u_char *)(ETHER_ID2 + 16);
176 intmask = INTST1_SLOT3; /* XXX not tested */
177 break;
178
179 default:
180 printf(": unknown LANCE addr\n");
181 return;
182 }
183
184 lesc->sc_r1 = (void *)ha->ha_addr;
185
186 sc->sc_memsize = 0x4000; /* 16K */
187 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
188 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
189
190 sc->sc_enaddr[0] = (*p++ << 4);
191 sc->sc_enaddr[0] |= *p++ & 0x0f;
192 sc->sc_enaddr[1] = (*p++ << 4);
193 sc->sc_enaddr[1] |= *p++ & 0x0f;
194 sc->sc_enaddr[2] = (*p++ << 4);
195 sc->sc_enaddr[2] |= *p++ & 0x0f;
196 sc->sc_enaddr[3] = (*p++ << 4);
197 sc->sc_enaddr[3] |= *p++ & 0x0f;
198 sc->sc_enaddr[4] = (*p++ << 4);
199 sc->sc_enaddr[4] |= *p++ & 0x0f;
200 sc->sc_enaddr[5] = (*p++ << 4);
201 sc->sc_enaddr[5] |= *p++ & 0x0f;
202
203 sc->sc_copytodesc = lance_copytobuf_contig;
204 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
205 sc->sc_copytobuf = lance_copytobuf_contig;
206 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
207 sc->sc_zerobuf = lance_zerobuf_contig;
208
209 sc->sc_rdcsr = lerdcsr;
210 sc->sc_wrcsr = lewrcsr;
211 sc->sc_hwinit = NULL;
212
213 am7990_config(&lesc->sc_am7990);
214 hb_intr_establish(intlevel, intmask, IPL_NET, am7990_intr, sc);
215 }
216