if_le.c revision 1.50
1 /* $NetBSD: if_le.c,v 1.50 2008/04/04 12:25:06 tsutsui 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 <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.50 2008/04/04 12:25:06 tsutsui Exp $"); 41 42 #include "opt_inet.h" 43 #include "bpfilter.h" 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/mbuf.h> 48 #include <sys/syslog.h> 49 #include <sys/socket.h> 50 #include <sys/device.h> 51 52 #include <net/if.h> 53 #include <net/if_ether.h> 54 #include <net/if_media.h> 55 56 #ifdef INET 57 #include <netinet/in.h> 58 #include <netinet/if_inarp.h> 59 #endif 60 61 #include <machine/autoconf.h> 62 #include <machine/cpu.h> 63 #include <machine/dvma.h> 64 #include <machine/idprom.h> 65 66 #include <dev/ic/lancereg.h> 67 #include <dev/ic/lancevar.h> 68 #include <dev/ic/am7990reg.h> 69 #include <dev/ic/am7990var.h> 70 71 #define LE_MEMSIZE 0x4000 /* 16K */ 72 73 /* 74 * LANCE registers. 75 * The real stuff is in dev/ic/am7990reg.h 76 */ 77 struct lereg1 { 78 volatile uint16_t ler1_rdp; /* data port */ 79 volatile uint16_t ler1_rap; /* register select port */ 80 }; 81 82 /* 83 * Ethernet software status per interface. 84 * The real stuff is in dev/ic/am7990var.h 85 */ 86 struct le_softc { 87 struct am7990_softc sc_am7990; /* glue to MI code */ 88 89 struct lereg1 *sc_r1; /* LANCE registers */ 90 }; 91 92 static int le_match(device_t, cfdata_t, void *); 93 static void le_attach(device_t, device_t, void *); 94 95 CFATTACH_DECL_NEW(le, sizeof(struct le_softc), 96 le_match, le_attach, NULL, NULL); 97 98 #if defined(_KERNEL_OPT) 99 #include "opt_ddb.h" 100 #endif 101 102 #ifdef DDB 103 #define integrate 104 #define hide 105 #else 106 #define integrate static inline 107 #define hide static 108 #endif 109 110 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 111 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 112 113 hide void 114 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 115 { 116 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 117 118 ler1->ler1_rap = port; 119 ler1->ler1_rdp = val; 120 } 121 122 hide uint16_t 123 lerdcsr(struct lance_softc *sc, uint16_t port) 124 { 125 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 126 uint16_t val; 127 128 ler1->ler1_rap = port; 129 val = ler1->ler1_rdp; 130 return (val); 131 } 132 133 int 134 le_match(device_t parent, cfdata_t cf, void *aux) 135 { 136 struct confargs *ca = aux; 137 138 /* Make sure there is something there... */ 139 if (bus_peek(ca->ca_bustype, ca->ca_paddr, 2) == -1) 140 return (0); 141 142 /* Default interrupt priority. */ 143 if (ca->ca_intpri == -1) 144 ca->ca_intpri = 3; 145 146 return (1); 147 } 148 149 void 150 le_attach(device_t parent, device_t self, void *aux) 151 { 152 struct le_softc *lesc = device_private(self); 153 struct lance_softc *sc = &lesc->sc_am7990.lsc; 154 struct confargs *ca = aux; 155 156 sc->sc_dev = self; 157 lesc->sc_r1 = bus_mapin(ca->ca_bustype, 158 ca->ca_paddr, sizeof(struct lereg1)); 159 160 sc->sc_memsize = LE_MEMSIZE; 161 sc->sc_mem = dvma_malloc(sc->sc_memsize); 162 sc->sc_addr = dvma_kvtopa(sc->sc_mem, ca->ca_bustype); 163 #ifdef _SUN3X_ 164 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 165 #else 166 sc->sc_conf3 = LE_C3_BSWP; 167 #endif 168 169 idprom_etheraddr(sc->sc_enaddr); 170 171 sc->sc_copytodesc = lance_copytobuf_contig; 172 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 173 sc->sc_copytobuf = lance_copytobuf_contig; 174 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 175 sc->sc_zerobuf = lance_zerobuf_contig; 176 177 sc->sc_rdcsr = lerdcsr; 178 sc->sc_wrcsr = lewrcsr; 179 sc->sc_hwinit = NULL; 180 181 am7990_config(&lesc->sc_am7990); 182 183 /* Install interrupt handler. */ 184 isr_add_autovect(am7990_intr, (void *)sc, ca->ca_intpri); 185 } 186
Indexes created Thu Sep 25 16:09:42 GMT 2025