if_le.c revision 1.50.4.1
1 /* $NetBSD: if_le.c,v 1.50.4.1 2008/05/16 02:23:17 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.50.4.1 2008/05/16 02:23:17 yamt Exp $"); 34 35 #include "opt_inet.h" 36 #include "bpfilter.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/mbuf.h> 41 #include <sys/syslog.h> 42 #include <sys/socket.h> 43 #include <sys/device.h> 44 45 #include <net/if.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 49 #ifdef INET 50 #include <netinet/in.h> 51 #include <netinet/if_inarp.h> 52 #endif 53 54 #include <machine/autoconf.h> 55 #include <machine/cpu.h> 56 #include <machine/dvma.h> 57 #include <machine/idprom.h> 58 59 #include <dev/ic/lancereg.h> 60 #include <dev/ic/lancevar.h> 61 #include <dev/ic/am7990reg.h> 62 #include <dev/ic/am7990var.h> 63 64 #define LE_MEMSIZE 0x4000 /* 16K */ 65 66 /* 67 * LANCE registers. 68 * The real stuff is in dev/ic/am7990reg.h 69 */ 70 struct lereg1 { 71 volatile uint16_t ler1_rdp; /* data port */ 72 volatile uint16_t ler1_rap; /* register select port */ 73 }; 74 75 /* 76 * Ethernet software status per interface. 77 * The real stuff is in dev/ic/am7990var.h 78 */ 79 struct le_softc { 80 struct am7990_softc sc_am7990; /* glue to MI code */ 81 82 struct lereg1 *sc_r1; /* LANCE registers */ 83 }; 84 85 static int le_match(device_t, cfdata_t, void *); 86 static void le_attach(device_t, device_t, void *); 87 88 CFATTACH_DECL_NEW(le, sizeof(struct le_softc), 89 le_match, le_attach, NULL, NULL); 90 91 #if defined(_KERNEL_OPT) 92 #include "opt_ddb.h" 93 #endif 94 95 #ifdef DDB 96 #define integrate 97 #define hide 98 #else 99 #define integrate static inline 100 #define hide static 101 #endif 102 103 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 104 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 105 106 hide void 107 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 108 { 109 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 110 111 ler1->ler1_rap = port; 112 ler1->ler1_rdp = val; 113 } 114 115 hide uint16_t 116 lerdcsr(struct lance_softc *sc, uint16_t port) 117 { 118 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 119 uint16_t val; 120 121 ler1->ler1_rap = port; 122 val = ler1->ler1_rdp; 123 return (val); 124 } 125 126 int 127 le_match(device_t parent, cfdata_t cf, void *aux) 128 { 129 struct confargs *ca = aux; 130 131 /* Make sure there is something there... */ 132 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 2) == -1) 133 return (0); 134 135 /* Default interrupt priority. */ 136 if (ca->ca_intpri == -1) 137 ca->ca_intpri = 3; 138 139 return (1); 140 } 141 142 void 143 le_attach(device_t parent, device_t self, void *aux) 144 { 145 struct le_softc *lesc = device_private(self); 146 struct lance_softc *sc = &lesc->sc_am7990.lsc; 147 struct confargs *ca = aux; 148 149 sc->sc_dev = self; 150 lesc->sc_r1 = bus_mapin(ca->ca_bustype, 151 ca->ca_paddr, sizeof(struct lereg1)); 152 153 sc->sc_memsize = LE_MEMSIZE; 154 sc->sc_mem = dvma_malloc(sc->sc_memsize); 155 sc->sc_addr = dvma_kvtopa(sc->sc_mem, ca->ca_bustype); 156 #ifdef _SUN3X_ 157 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 158 #else 159 sc->sc_conf3 = LE_C3_BSWP; 160 #endif 161 162 idprom_etheraddr(sc->sc_enaddr); 163 164 sc->sc_copytodesc = lance_copytobuf_contig; 165 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 166 sc->sc_copytobuf = lance_copytobuf_contig; 167 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 168 sc->sc_zerobuf = lance_zerobuf_contig; 169 170 sc->sc_rdcsr = lerdcsr; 171 sc->sc_wrcsr = lewrcsr; 172 sc->sc_hwinit = NULL; 173 174 am7990_config(&lesc->sc_am7990); 175 176 /* Install interrupt handler. */ 177 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 178 } 179
Indexes created Mon Oct 13 04:09:54 GMT 2025