1 /* $NetBSD: if_le.c,v 1.9 2002/10/02 04:27:52 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/adrsmap.h> 61 62 #include <dev/ic/lancereg.h> 63 #include <dev/ic/lancevar.h> 64 #include <dev/ic/am7990reg.h> 65 #include <dev/ic/am7990var.h> 66 67 /* 68 * LANCE registers. 69 * The real stuff is in dev/ic/am7990reg.h 70 */ 71 struct lereg1 { 72 volatile u_int16_t ler1_rdp; /* data port */ 73 volatile u_int16_t ler1_rap; /* register select port */ 74 }; 75 76 /* 77 * Ethernet software status per interface. 78 * The real stuff is in dev/ic/am7990var.h 79 */ 80 struct le_softc { 81 struct am7990_softc sc_am7990; /* glue to MI code */ 82 83 struct lereg1 *sc_r1; /* LANCE registers */ 84 }; 85 86 static int le_match __P((struct device *, struct cfdata *, void *)); 87 static void le_attach __P((struct device *, struct device *, void *)); 88 89 CFATTACH_DECL(le, sizeof(struct le_softc), 90 le_match, le_attach, NULL, NULL); 91 92 #if defined(_KERNEL_OPT) 93 #include "opt_ddb.h" 94 #endif 95 96 #ifdef DDB 97 #define integrate 98 #define hide 99 #else 100 #define integrate static __inline 101 #define hide static 102 #endif 103 104 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 105 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 106 107 hide void 108 lewrcsr(sc, port, val) 109 struct lance_softc *sc; 110 u_int16_t port, val; 111 { 112 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 113 114 ler1->ler1_rap = port; 115 ler1->ler1_rdp = val; 116 } 117 118 hide u_int16_t 119 lerdcsr(sc, port) 120 struct lance_softc *sc; 121 u_int16_t port; 122 { 123 register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 124 u_int16_t val; 125 126 ler1->ler1_rap = port; 127 val = ler1->ler1_rdp; 128 return (val); 129 } 130 131 int 132 le_match(parent, cf, aux) 133 struct device *parent; 134 struct cfdata *cf; 135 void *aux; 136 { 137 struct confargs *ca = aux; 138 139 if (strcmp(ca->ca_name, "le")) 140 return 0; 141 142 if (badaddr((void *)cf->cf_addr, 1)) 143 return 0; 144 145 return 1; 146 } 147 148 void 149 le_attach(parent, self, aux) 150 struct device *parent, *self; 151 void *aux; 152 { 153 struct le_softc *lesc = (struct le_softc *)self; 154 struct lance_softc *sc = &lesc->sc_am7990.lsc; 155 struct cfdata *cf = self->dv_cfdata; 156 int intlevel; 157 u_char *p; 158 159 intlevel = cf->cf_level; 160 if (intlevel == -1) { 161 printf(": interrupt level not configured\n"); 162 return; 163 } 164 printf(" level %d", intlevel); 165 166 switch (cf->cf_addr) { 167 168 case LANCE_PORT: 169 sc->sc_mem = (void *)LANCE_MEMORY; 170 p = (u_char *)(ETHER_ID+16); 171 break; 172 case LANCE_PORT1: 173 sc->sc_mem = (void *)LANCE_MEMORY1; 174 p = (u_char *)(ETHER_ID1+16); 175 break; 176 case LANCE_PORT2: 177 sc->sc_mem = (void *)LANCE_MEMORY2; 178 p = (u_char *)(ETHER_ID2+16); 179 break; 180 181 default: 182 printf(": unknown LANCE addr\n"); 183 return; 184 } 185 186 lesc->sc_r1 = (void *)cf->cf_addr; 187 188 sc->sc_memsize = 0x4000; /* 16K */ 189 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff; 190 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 191 192 sc->sc_enaddr[0] = (*p++ << 4); 193 sc->sc_enaddr[0] |= *p++ & 0x0f; 194 sc->sc_enaddr[1] = (*p++ << 4); 195 sc->sc_enaddr[1] |= *p++ & 0x0f; 196 sc->sc_enaddr[2] = (*p++ << 4); 197 sc->sc_enaddr[2] |= *p++ & 0x0f; 198 sc->sc_enaddr[3] = (*p++ << 4); 199 sc->sc_enaddr[3] |= *p++ & 0x0f; 200 sc->sc_enaddr[4] = (*p++ << 4); 201 sc->sc_enaddr[4] |= *p++ & 0x0f; 202 sc->sc_enaddr[5] = (*p++ << 4); 203 sc->sc_enaddr[5] |= *p++ & 0x0f; 204 205 sc->sc_copytodesc = lance_copytobuf_contig; 206 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 207 sc->sc_copytobuf = lance_copytobuf_contig; 208 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 209 sc->sc_zerobuf = lance_zerobuf_contig; 210 211 sc->sc_rdcsr = lerdcsr; 212 sc->sc_wrcsr = lewrcsr; 213 sc->sc_hwinit = NULL; 214 215 am7990_config(&lesc->sc_am7990); 216 hb_intr_establish(intlevel, IPL_NET, am7990_intr, sc); 217 } 218