if_le.c revision 1.16 1 /* $NetBSD: if_le.c,v 1.16 1998/07/05 00:51:11 jonathan 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 "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 <vm/vm.h>
62
63 #include <machine/autoconf.h>
64 #include <machine/cpu.h>
65 #include <machine/pmap.h>
66
67 #include <mvme68k/dev/pccreg.h>
68 #include <mvme68k/dev/pccvar.h>
69
70 #include <dev/ic/am7990reg.h>
71 #include <dev/ic/am7990var.h>
72
73 #include <mvme68k/dev/if_lereg.h>
74 #include <mvme68k/dev/if_levar.h>
75
76 int le_pcc_match __P((struct device *, struct cfdata *, void *));
77 void le_pcc_attach __P((struct device *, struct device *, void *));
78
79 struct cfattach le_pcc_ca = {
80 sizeof(struct le_softc), le_pcc_match, le_pcc_attach
81 };
82
83 extern struct cfdriver le_cd;
84
85 hide void le_pcc_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
86 hide u_int16_t le_pcc_rdcsr __P((struct am7990_softc *, u_int16_t));
87
88 void *ledatabuf; /* XXXCDC hack from pmap bootstrap */
89
90 hide void
91 le_pcc_wrcsr(sc, port, val)
92 struct am7990_softc *sc;
93 u_int16_t port, val;
94 {
95 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
96
97 ler1->ler1_rap = port;
98 ler1->ler1_rdp = val;
99 }
100
101 hide u_int16_t
102 le_pcc_rdcsr(sc, port)
103 struct am7990_softc *sc;
104 u_int16_t port;
105 {
106 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
107 u_int16_t val;
108
109 ler1->ler1_rap = port;
110 val = ler1->ler1_rdp;
111 return (val);
112 }
113
114 int
115 le_pcc_match(parent, cf, aux)
116 struct device *parent;
117 struct cfdata *cf;
118 void *aux;
119 {
120 struct pcc_attach_args *pa = aux;
121
122 if (strcmp(pa->pa_name, le_cd.cd_name))
123 return (0);
124
125 pa->pa_ipl = cf->pcccf_ipl;
126 return (1);
127 }
128
129 void
130 le_pcc_attach(parent, self, aux)
131 struct device *parent, *self;
132 void *aux;
133 {
134 struct le_softc *lesc = (void *)self;
135 struct am7990_softc *sc = &lesc->sc_am7990;
136 struct pcc_attach_args *pa = aux;
137
138 /* XXX the following declarations should be elsewhere */
139 extern void myetheraddr __P((u_char *));
140
141 /* Map control registers. */
142 lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset);
143
144 sc->sc_mem = ledatabuf; /* XXX */
145 sc->sc_conf3 = LE_C3_BSWP;
146 sc->sc_addr = (u_long)sc->sc_mem;
147 sc->sc_memsize = 4 * NBPG; /* XXX */
148
149 myetheraddr(sc->sc_enaddr);
150
151 sc->sc_copytodesc = am7990_copytobuf_contig;
152 sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
153 sc->sc_copytobuf = am7990_copytobuf_contig;
154 sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
155 sc->sc_zerobuf = am7990_zerobuf_contig;
156
157 sc->sc_rdcsr = le_pcc_rdcsr;
158 sc->sc_wrcsr = le_pcc_wrcsr;
159 sc->sc_hwinit = NULL;
160
161 am7990_config(sc);
162
163 /* Are we the boot device? */
164 if (PCC_PADDR(pa->pa_offset) == bootaddr)
165 booted_device = self;
166
167 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc);
168 sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE;
169 }
170