1 /* $NetBSD: if_le.c,v 1.45 2002/10/02 16:02:26 thorpej 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 CFATTACH_DECL(le, sizeof(struct le_softc), 93 le_match, le_attach, NULL, NULL); 94 95 #if defined(_KERNEL_OPT) 96 #include "opt_ddb.h" 97 #endif 98 99 #ifdef DDB 100 #define integrate 101 #define hide 102 #else 103 #define integrate static __inline 104 #define hide static 105 #endif 106 107 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 108 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 109 110 hide void 111 lewrcsr(sc, port, val) 112 struct lance_softc *sc; 113 u_int16_t port, val; 114 { 115 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 116 117 ler1->ler1_rap = port; 118 ler1->ler1_rdp = val; 119 } 120 121 hide u_int16_t 122 lerdcsr(sc, port) 123 struct lance_softc *sc; 124 u_int16_t port; 125 { 126 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 127 u_int16_t val; 128 129 ler1->ler1_rap = port; 130 val = ler1->ler1_rdp; 131 return (val); 132 } 133 134 int 135 le_match(parent, cf, aux) 136 struct device *parent; 137 struct cfdata *cf; 138 void *aux; 139 { 140 struct confargs *ca = aux; 141 142 /* Make sure there is something there... */ 143 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 2) == -1) 144 return (0); 145 146 /* Default interrupt priority. */ 147 if (ca->ca_intpri == -1) 148 ca->ca_intpri = 3; 149 150 return (1); 151 } 152 153 void 154 le_attach(parent, self, aux) 155 struct device *parent, *self; 156 void *aux; 157 { 158 struct le_softc *lesc = (struct le_softc *)self; 159 struct lance_softc *sc = &lesc->sc_am7990.lsc; 160 struct confargs *ca = aux; 161 162 lesc->sc_r1 = bus_mapin(ca->ca_bustype, 163 ca->ca_paddr, sizeof(struct lereg1)); 164 165 sc->sc_memsize = LE_MEMSIZE; 166 sc->sc_mem = dvma_malloc(sc->sc_memsize); 167 sc->sc_addr = dvma_kvtopa(sc->sc_mem, ca->ca_bustype); 168 #ifdef _SUN3X_ 169 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 170 #else 171 sc->sc_conf3 = LE_C3_BSWP; 172 #endif 173 174 idprom_etheraddr(sc->sc_enaddr); 175 176 sc->sc_copytodesc = lance_copytobuf_contig; 177 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 178 sc->sc_copytobuf = lance_copytobuf_contig; 179 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 180 sc->sc_zerobuf = lance_zerobuf_contig; 181 182 sc->sc_rdcsr = lerdcsr; 183 sc->sc_wrcsr = lewrcsr; 184 sc->sc_hwinit = NULL; 185 186 am7990_config(&lesc->sc_am7990); 187 188 /* Install interrupt handler. */ 189 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 190 } 191