if_le.c revision 1.35
1 /* $NetBSD: if_le.c,v 1.35 1997/01/27 16:57:12 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 50 #ifdef INET 51 #include <netinet/in.h> 52 #include <netinet/if_ether.h> 53 #endif 54 55 #include <machine/autoconf.h> 56 #include <machine/cpu.h> 57 #include <machine/dvma.h> 58 #include <machine/obio.h> 59 #include <machine/idprom.h> 60 61 #include <dev/ic/am7990reg.h> 62 #include <dev/ic/am7990var.h> 63 64 /* 65 * LANCE registers. 66 * The real stuff is in dev/ic/am7990reg.h 67 */ 68 struct lereg1 { 69 volatile u_int16_t ler1_rdp; /* data port */ 70 volatile u_int16_t ler1_rap; /* register select port */ 71 }; 72 73 /* 74 * Ethernet software status per interface. 75 * The real stuff is in dev/ic/am7990var.h 76 */ 77 struct le_softc { 78 struct am7990_softc sc_am7990; /* glue to MI code */ 79 80 struct lereg1 *sc_r1; /* LANCE registers */ 81 }; 82 83 static int le_match __P((struct device *, struct cfdata *, void *)); 84 static void le_attach __P((struct device *, struct device *, void *)); 85 86 struct cfattach le_ca = { 87 sizeof(struct le_softc), le_match, le_attach 88 }; 89 90 hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 91 hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t)); 92 93 hide void 94 lewrcsr(sc, port, val) 95 struct am7990_softc *sc; 96 u_int16_t port, val; 97 { 98 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 99 100 ler1->ler1_rap = port; 101 ler1->ler1_rdp = val; 102 } 103 104 hide u_int16_t 105 lerdcsr(sc, port) 106 struct am7990_softc *sc; 107 u_int16_t port; 108 { 109 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 110 u_int16_t val; 111 112 ler1->ler1_rap = port; 113 val = ler1->ler1_rdp; 114 return (val); 115 } 116 117 int 118 le_match(parent, cf, aux) 119 struct device *parent; 120 struct cfdata *cf; 121 void *aux; 122 { 123 struct confargs *ca = aux; 124 125 /* Make sure there is something there... */ 126 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 1) == -1) 127 return (0); 128 129 /* Default interrupt priority. */ 130 if (ca->ca_intpri == -1) 131 ca->ca_intpri = 3; 132 133 return (1); 134 } 135 136 void 137 le_attach(parent, self, aux) 138 struct device *parent, *self; 139 void *aux; 140 { 141 struct le_softc *lesc = (struct le_softc *)self; 142 struct am7990_softc *sc = &lesc->sc_am7990; 143 struct confargs *ca = aux; 144 145 lesc->sc_r1 = (struct lereg1 *) 146 obio_alloc(ca->ca_paddr, sizeof(struct lereg1)); 147 148 sc->sc_memsize = 0x4000; /* 16K */ 149 sc->sc_mem = dvma_malloc(sc->sc_memsize); 150 sc->sc_addr = (u_long)sc->sc_mem & 0xffffff; 151 sc->sc_conf3 = LE_C3_BSWP; 152 153 idprom_etheraddr(sc->sc_arpcom.ac_enaddr); 154 155 sc->sc_copytodesc = am7990_copytobuf_contig; 156 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 157 sc->sc_copytobuf = am7990_copytobuf_contig; 158 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 159 sc->sc_zerobuf = am7990_zerobuf_contig; 160 161 sc->sc_rdcsr = lerdcsr; 162 sc->sc_wrcsr = lewrcsr; 163 sc->sc_hwinit = NULL; 164 165 am7990_config(sc); 166 167 /* Install interrupt handler. */ 168 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 169 } 170
Indexes created Mon Sep 22 13:09:51 GMT 2025