if_le.c revision 1.39
1 /* $NetBSD: if_le.c,v 1.39 1998/02/05 04:56:42 gwr 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 "bpfilter.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/syslog.h> 45 #include <sys/socket.h> 46 #include <sys/device.h> 47 48 #include <net/if.h> 49 #include <net/if_ether.h> 50 #include <net/if_media.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_inarp.h> 55 #endif 56 57 #include <machine/autoconf.h> 58 #include <machine/cpu.h> 59 #include <machine/dvma.h> 60 #include <machine/idprom.h> 61 62 #include <dev/ic/am7990reg.h> 63 #include <dev/ic/am7990var.h> 64 65 #define LE_MEMSIZE 0x4000 /* 16K */ 66 67 /* 68 * LANCE registers. 69 * The real stuff is in dev/ic/am7990reg.h 70 */ 71 struct lereg1 { 72 volatile u_int16_t ler1_rdp; /* data port */ 73 volatile u_int16_t ler1_rap; /* register select port */ 74 }; 75 76 /* 77 * Ethernet software status per interface. 78 * The real stuff is in dev/ic/am7990var.h 79 */ 80 struct le_softc { 81 struct am7990_softc sc_am7990; /* glue to MI code */ 82 83 struct lereg1 *sc_r1; /* LANCE registers */ 84 }; 85 86 static int le_match __P((struct device *, struct cfdata *, void *)); 87 static void le_attach __P((struct device *, struct device *, void *)); 88 89 struct cfattach le_ca = { 90 sizeof(struct le_softc), le_match, le_attach 91 }; 92 93 hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 94 hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t)); 95 96 hide void 97 lewrcsr(sc, port, val) 98 struct am7990_softc *sc; 99 u_int16_t port, val; 100 { 101 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 102 103 ler1->ler1_rap = port; 104 ler1->ler1_rdp = val; 105 } 106 107 hide u_int16_t 108 lerdcsr(sc, port) 109 struct am7990_softc *sc; 110 u_int16_t port; 111 { 112 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 113 u_int16_t val; 114 115 ler1->ler1_rap = port; 116 val = ler1->ler1_rdp; 117 return (val); 118 } 119 120 int 121 le_match(parent, cf, aux) 122 struct device *parent; 123 struct cfdata *cf; 124 void *aux; 125 { 126 struct confargs *ca = aux; 127 128 /* Make sure there is something there... */ 129 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 2) == -1) 130 return (0); 131 132 /* Default interrupt priority. */ 133 if (ca->ca_intpri == -1) 134 ca->ca_intpri = 3; 135 136 return (1); 137 } 138 139 void 140 le_attach(parent, self, aux) 141 struct device *parent, *self; 142 void *aux; 143 { 144 struct le_softc *lesc = (struct le_softc *)self; 145 struct am7990_softc *sc = &lesc->sc_am7990; 146 struct confargs *ca = aux; 147 148 lesc->sc_r1 = bus_mapin(ca->ca_bustype, 149 ca->ca_paddr, sizeof(struct lereg1)); 150 151 sc->sc_memsize = LE_MEMSIZE; 152 sc->sc_mem = dvma_malloc(sc->sc_memsize); 153 sc->sc_addr = dvma_kvtopa(sc->sc_mem, ca->ca_bustype); 154 #ifdef _SUN3X_ 155 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 156 #else 157 sc->sc_conf3 = LE_C3_BSWP; 158 #endif 159 160 idprom_etheraddr(sc->sc_enaddr); 161 162 sc->sc_copytodesc = am7990_copytobuf_contig; 163 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 164 sc->sc_copytobuf = am7990_copytobuf_contig; 165 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 166 sc->sc_zerobuf = am7990_zerobuf_contig; 167 168 sc->sc_rdcsr = lerdcsr; 169 sc->sc_wrcsr = lewrcsr; 170 sc->sc_hwinit = NULL; 171 172 am7990_config(sc); 173 174 /* Install interrupt handler. */ 175 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 176 } 177
Indexes created Wed Sep 24 15:09:51 GMT 2025