if_le.c revision 1.36
1 /* $NetBSD: if_le.c,v 1.36 1997/03/15 18:10:54 is 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 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_inarp.h> 54 #endif 55 56 #include <machine/autoconf.h> 57 #include <machine/cpu.h> 58 #include <machine/dvma.h> 59 #include <machine/obio.h> 60 #include <machine/idprom.h> 61 62 #include <dev/ic/am7990reg.h> 63 #include <dev/ic/am7990var.h> 64 65 /* 66 * LANCE registers. 67 * The real stuff is in dev/ic/am7990reg.h 68 */ 69 struct lereg1 { 70 volatile u_int16_t ler1_rdp; /* data port */ 71 volatile u_int16_t ler1_rap; /* register select port */ 72 }; 73 74 /* 75 * Ethernet software status per interface. 76 * The real stuff is in dev/ic/am7990var.h 77 */ 78 struct le_softc { 79 struct am7990_softc sc_am7990; /* glue to MI code */ 80 81 struct lereg1 *sc_r1; /* LANCE registers */ 82 }; 83 84 static int le_match __P((struct device *, struct cfdata *, void *)); 85 static void le_attach __P((struct device *, struct device *, void *)); 86 87 struct cfattach le_ca = { 88 sizeof(struct le_softc), le_match, le_attach 89 }; 90 91 hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 92 hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t)); 93 94 hide void 95 lewrcsr(sc, port, val) 96 struct am7990_softc *sc; 97 u_int16_t port, val; 98 { 99 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 100 101 ler1->ler1_rap = port; 102 ler1->ler1_rdp = val; 103 } 104 105 hide u_int16_t 106 lerdcsr(sc, port) 107 struct am7990_softc *sc; 108 u_int16_t port; 109 { 110 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 111 u_int16_t val; 112 113 ler1->ler1_rap = port; 114 val = ler1->ler1_rdp; 115 return (val); 116 } 117 118 int 119 le_match(parent, cf, aux) 120 struct device *parent; 121 struct cfdata *cf; 122 void *aux; 123 { 124 struct confargs *ca = aux; 125 126 /* Make sure there is something there... */ 127 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 1) == -1) 128 return (0); 129 130 /* Default interrupt priority. */ 131 if (ca->ca_intpri == -1) 132 ca->ca_intpri = 3; 133 134 return (1); 135 } 136 137 void 138 le_attach(parent, self, aux) 139 struct device *parent, *self; 140 void *aux; 141 { 142 struct le_softc *lesc = (struct le_softc *)self; 143 struct am7990_softc *sc = &lesc->sc_am7990; 144 struct confargs *ca = aux; 145 146 lesc->sc_r1 = (struct lereg1 *) 147 obio_alloc(ca->ca_paddr, sizeof(struct lereg1)); 148 149 sc->sc_memsize = 0x4000; /* 16K */ 150 sc->sc_mem = dvma_malloc(sc->sc_memsize); 151 sc->sc_addr = (u_long)sc->sc_mem & 0xffffff; 152 sc->sc_conf3 = LE_C3_BSWP; 153 154 idprom_etheraddr(sc->sc_enaddr); 155 156 sc->sc_copytodesc = am7990_copytobuf_contig; 157 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 158 sc->sc_copytobuf = am7990_copytobuf_contig; 159 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 160 sc->sc_zerobuf = am7990_zerobuf_contig; 161 162 sc->sc_rdcsr = lerdcsr; 163 sc->sc_wrcsr = lewrcsr; 164 sc->sc_hwinit = NULL; 165 166 am7990_config(sc); 167 168 /* Install interrupt handler. */ 169 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 170 } 171
Indexes created Tue Sep 23 22:09:46 GMT 2025