if_le.c revision 1.41
1 /* $NetBSD: if_le.c,v 1.41 1998/07/21 17:36:05 drochner 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 "opt_inet.h" 40 #include "bpfilter.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/syslog.h> 46 #include <sys/socket.h> 47 #include <sys/device.h> 48 49 #include <net/if.h> 50 #include <net/if_ether.h> 51 #include <net/if_media.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_inarp.h> 56 #endif 57 58 #include <machine/autoconf.h> 59 #include <machine/cpu.h> 60 #include <machine/dvma.h> 61 #include <machine/idprom.h> 62 63 #include <dev/ic/lancereg.h> 64 #include <dev/ic/lancevar.h> 65 #include <dev/ic/am7990reg.h> 66 #include <dev/ic/am7990var.h> 67 68 #define LE_MEMSIZE 0x4000 /* 16K */ 69 70 /* 71 * LANCE registers. 72 * The real stuff is in dev/ic/am7990reg.h 73 */ 74 struct lereg1 { 75 volatile u_int16_t ler1_rdp; /* data port */ 76 volatile u_int16_t ler1_rap; /* register select port */ 77 }; 78 79 /* 80 * Ethernet software status per interface. 81 * The real stuff is in dev/ic/am7990var.h 82 */ 83 struct le_softc { 84 struct am7990_softc sc_am7990; /* glue to MI code */ 85 86 struct lereg1 *sc_r1; /* LANCE registers */ 87 }; 88 89 static int le_match __P((struct device *, struct cfdata *, void *)); 90 static void le_attach __P((struct device *, struct device *, void *)); 91 92 struct cfattach le_ca = { 93 sizeof(struct le_softc), le_match, le_attach 94 }; 95 96 #if defined(_KERNEL) && !defined(_LKM) 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 __P((struct lance_softc *, u_int16_t, u_int16_t)); 109 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 110 111 hide void 112 lewrcsr(sc, port, val) 113 struct lance_softc *sc; 114 u_int16_t port, val; 115 { 116 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 117 118 ler1->ler1_rap = port; 119 ler1->ler1_rdp = val; 120 } 121 122 hide u_int16_t 123 lerdcsr(sc, port) 124 struct lance_softc *sc; 125 u_int16_t port; 126 { 127 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 128 u_int16_t val; 129 130 ler1->ler1_rap = port; 131 val = ler1->ler1_rdp; 132 return (val); 133 } 134 135 int 136 le_match(parent, cf, aux) 137 struct device *parent; 138 struct cfdata *cf; 139 void *aux; 140 { 141 struct confargs *ca = aux; 142 143 /* Make sure there is something there... */ 144 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 2) == -1) 145 return (0); 146 147 /* Default interrupt priority. */ 148 if (ca->ca_intpri == -1) 149 ca->ca_intpri = 3; 150 151 return (1); 152 } 153 154 void 155 le_attach(parent, self, aux) 156 struct device *parent, *self; 157 void *aux; 158 { 159 struct le_softc *lesc = (struct le_softc *)self; 160 struct lance_softc *sc = &lesc->sc_am7990.lsc; 161 struct confargs *ca = aux; 162 163 lesc->sc_r1 = bus_mapin(ca->ca_bustype, 164 ca->ca_paddr, sizeof(struct lereg1)); 165 166 sc->sc_memsize = LE_MEMSIZE; 167 sc->sc_mem = dvma_malloc(sc->sc_memsize); 168 sc->sc_addr = dvma_kvtopa(sc->sc_mem, ca->ca_bustype); 169 #ifdef _SUN3X_ 170 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 171 #else 172 sc->sc_conf3 = LE_C3_BSWP; 173 #endif 174 175 idprom_etheraddr(sc->sc_enaddr); 176 177 sc->sc_copytodesc = lance_copytobuf_contig; 178 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 179 sc->sc_copytobuf = lance_copytobuf_contig; 180 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 181 sc->sc_zerobuf = lance_zerobuf_contig; 182 183 sc->sc_rdcsr = lerdcsr; 184 sc->sc_wrcsr = lewrcsr; 185 sc->sc_hwinit = NULL; 186 187 am7990_config(&lesc->sc_am7990); 188 189 /* Install interrupt handler. */ 190 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 191 } 192
Indexes created Mon Oct 13 16:09:52 GMT 2025