if_le.c revision 1.17 1 /* $NetBSD: if_le.c,v 1.17 1998/07/21 17:36:02 drochner 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/lancereg.h>
71 #include <dev/ic/lancevar.h>
72 #include <dev/ic/am7990reg.h>
73 #include <dev/ic/am7990var.h>
74
75 #include <mvme68k/dev/if_lereg.h>
76 #include <mvme68k/dev/if_levar.h>
77
78 int le_pcc_match __P((struct device *, struct cfdata *, void *));
79 void le_pcc_attach __P((struct device *, struct device *, void *));
80
81 struct cfattach le_pcc_ca = {
82 sizeof(struct le_softc), le_pcc_match, le_pcc_attach
83 };
84
85 extern struct cfdriver le_cd;
86
87 #if defined(_KERNEL) && !defined(_LKM)
88 #include "opt_ddb.h"
89 #endif
90
91 #ifdef DDB
92 #define integrate
93 #define hide
94 #else
95 #define integrate static __inline
96 #define hide static
97 #endif
98
99 hide void le_pcc_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
100 hide u_int16_t le_pcc_rdcsr __P((struct lance_softc *, u_int16_t));
101
102 void *ledatabuf; /* XXXCDC hack from pmap bootstrap */
103
104 hide void
105 le_pcc_wrcsr(sc, port, val)
106 struct lance_softc *sc;
107 u_int16_t port, val;
108 {
109 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
110
111 ler1->ler1_rap = port;
112 ler1->ler1_rdp = val;
113 }
114
115 hide u_int16_t
116 le_pcc_rdcsr(sc, port)
117 struct lance_softc *sc;
118 u_int16_t port;
119 {
120 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
121 u_int16_t val;
122
123 ler1->ler1_rap = port;
124 val = ler1->ler1_rdp;
125 return (val);
126 }
127
128 int
129 le_pcc_match(parent, cf, aux)
130 struct device *parent;
131 struct cfdata *cf;
132 void *aux;
133 {
134 struct pcc_attach_args *pa = aux;
135
136 if (strcmp(pa->pa_name, le_cd.cd_name))
137 return (0);
138
139 pa->pa_ipl = cf->pcccf_ipl;
140 return (1);
141 }
142
143 void
144 le_pcc_attach(parent, self, aux)
145 struct device *parent, *self;
146 void *aux;
147 {
148 struct le_softc *lesc = (void *)self;
149 struct lance_softc *sc = &lesc->sc_am7990.lsc;
150 struct pcc_attach_args *pa = aux;
151
152 /* XXX the following declarations should be elsewhere */
153 extern void myetheraddr __P((u_char *));
154
155 /* Map control registers. */
156 lesc->sc_r1 = (struct lereg1 *)PCC_VADDR(pa->pa_offset);
157
158 sc->sc_mem = ledatabuf; /* XXX */
159 sc->sc_conf3 = LE_C3_BSWP;
160 sc->sc_addr = (u_long)sc->sc_mem;
161 sc->sc_memsize = 4 * NBPG; /* XXX */
162
163 myetheraddr(sc->sc_enaddr);
164
165 sc->sc_copytodesc = lance_copytobuf_contig;
166 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
167 sc->sc_copytobuf = lance_copytobuf_contig;
168 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
169 sc->sc_zerobuf = lance_zerobuf_contig;
170
171 sc->sc_rdcsr = le_pcc_rdcsr;
172 sc->sc_wrcsr = le_pcc_wrcsr;
173 sc->sc_hwinit = NULL;
174
175 am7990_config(&lesc->sc_am7990);
176
177 /* Are we the boot device? */
178 if (PCC_PADDR(pa->pa_offset) == bootaddr)
179 booted_device = self;
180
181 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc);
182 sys_pcc->le_int = pa->pa_ipl | PCC_IENABLE;
183 }
184