if_le.c revision 1.14 1 /* $NetBSD: if_le.c,v 1.14 1997/03/19 16:24:39 gwr Exp $ */
2
3 /*-
4 * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
5 * Copyright (c) 1992, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Ralph Campbell and Rick Macklem.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
40 */
41
42 #include "bpfilter.h"
43
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/mbuf.h>
47 #include <sys/syslog.h>
48 #include <sys/socket.h>
49 #include <sys/device.h>
50
51 #include <net/if.h>
52 #include <net/if_ether.h>
53 #include <net/if_media.h>
54
55 #ifdef INET
56 #include <netinet/in.h>
57 #include <netinet/if_inarp.h>
58 #endif
59
60 #include <vm/vm.h>
61
62 #include <machine/autoconf.h>
63 #include <machine/cpu.h>
64 #include <machine/pmap.h>
65
66 #include <mvme68k/dev/pccreg.h>
67 #include <mvme68k/dev/pccvar.h>
68
69 #include <dev/ic/am7990reg.h>
70 #include <dev/ic/am7990var.h>
71
72 #include <mvme68k/dev/if_lereg.h>
73 #include <mvme68k/dev/if_levar.h>
74
75 int le_pcc_match __P((struct device *, struct cfdata *, void *));
76 void le_pcc_attach __P((struct device *, struct device *, void *));
77
78 struct cfattach le_pcc_ca = {
79 sizeof(struct le_softc), le_pcc_match, le_pcc_attach
80 };
81
82 hide void le_pcc_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
83 hide u_int16_t le_pcc_rdcsr __P((struct am7990_softc *, u_int16_t));
84
85 void *ledatabuf; /* XXXCDC hack from pmap bootstrap */
86
87 hide void
88 le_pcc_wrcsr(sc, port, val)
89 struct am7990_softc *sc;
90 u_int16_t port, val;
91 {
92 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
93
94 ler1->ler1_rap = port;
95 ler1->ler1_rdp = val;
96 }
97
98 hide u_int16_t
99 le_pcc_rdcsr(sc, port)
100 struct am7990_softc *sc;
101 u_int16_t port;
102 {
103 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
104 u_int16_t val;
105
106 ler1->ler1_rap = port;
107 val = ler1->ler1_rdp;
108 return (val);
109 }
110
111 int
112 le_pcc_match(parent, cf, aux)
113 struct device *parent;
114 struct cfdata *cf;
115 void *aux;
116 {
117 struct pcc_attach_args *pa = aux;
118
119 if (strcmp(pa->pa_name, le_cd.cd_name))
120 return (0);
121
122 pa->pa_ipl = cf->pcccf_ipl;
123 return (1);
124 }
125
126 void
127 le_pcc_attach(parent, self, aux)
128 struct device *parent, *self;
129 void *aux;
130 {
131 struct le_softc *lesc = (void *)self;
132 struct am7990_softc *sc = &lesc->sc_am7990;
133 struct pcc_attach_args *pa = aux;
134
135 /* XXX the following declarations should be elsewhere */
136 extern void myetheraddr __P((u_char *));
137
138 /* Map control registers. */
139 lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset);
140
141 sc->sc_mem = ledatabuf; /* XXX */
142 sc->sc_conf3 = LE_C3_BSWP;
143 sc->sc_addr = (u_long)sc->sc_mem;
144 sc->sc_memsize = 4 * NBPG; /* XXX */
145
146 myetheraddr(sc->sc_enaddr);
147
148 sc->sc_copytodesc = am7990_copytobuf_contig;
149 sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
150 sc->sc_copytobuf = am7990_copytobuf_contig;
151 sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
152 sc->sc_zerobuf = am7990_zerobuf_contig;
153
154 sc->sc_rdcsr = le_pcc_rdcsr;
155 sc->sc_wrcsr = le_pcc_wrcsr;
156 sc->sc_hwinit = NULL;
157
158 am7990_config(sc);
159
160 /* Are we the boot device? */
161 if (PCC_PADDR(pa->pa_offset) == bootaddr)
162 booted_device = self;
163
164 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc);
165 sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE;
166 }
167