1 /* $NetBSD: if_le.c,v 1.3 2001/05/30 12:28:47 mrg 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 /* 40 * news68k/dev/if_le.c - based on newsmips/dev/if_le.c 41 */ 42 43 #include "opt_inet.h" 44 #include "bpfilter.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/mbuf.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/cpu.h> 62 63 #include <news68k/dev/hbvar.h> 64 65 #include <dev/ic/lancereg.h> 66 #include <dev/ic/lancevar.h> 67 #include <dev/ic/am7990reg.h> 68 #include <dev/ic/am7990var.h> 69 70 /* 71 * LANCE registers. 72 * The real stuff is in dev/ic/am7990reg.h 73 */ 74 struct lereg1 { 75 volatile u_int16_t ler1_rdp; /* data port */ 76 volatile u_int16_t ler1_rap; /* register select port */ 77 }; 78 79 /* 80 * Ethernet software status per interface. 81 * The real stuff is in dev/ic/am7990var.h 82 */ 83 struct le_softc { 84 struct am7990_softc sc_am7990; /* glue to MI code */ 85 86 struct lereg1 *sc_r1; /* LANCE registers */ 87 }; 88 89 static int le_match __P((struct device *, struct cfdata *, void *)); 90 static void le_attach __P((struct device *, struct device *, void *)); 91 92 struct cfattach le_ca = { 93 sizeof(struct le_softc), le_match, le_attach 94 }; 95 96 extern volatile u_char *lance_mem, *idrom_addr; 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 __P((struct lance_softc *, u_int16_t, u_int16_t)); 111 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 112 int leintr __P((int)); 113 114 hide void 115 lewrcsr(sc, port, val) 116 struct lance_softc *sc; 117 u_int16_t port, val; 118 { 119 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 120 121 ler1->ler1_rap = port; 122 ler1->ler1_rdp = val; 123 } 124 125 hide u_int16_t 126 lerdcsr(sc, port) 127 struct lance_softc *sc; 128 u_int16_t port; 129 { 130 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 131 u_int16_t val; 132 133 ler1->ler1_rap = port; 134 val = ler1->ler1_rdp; 135 return (val); 136 } 137 138 int 139 le_match(parent, cf, aux) 140 struct device *parent; 141 struct cfdata *cf; 142 void *aux; 143 { 144 struct hb_attach_args *ha = aux; 145 int addr; 146 147 if (strcmp(ha->ha_name, "le")) 148 return 0; 149 150 addr = IIOV(ha->ha_address); 151 152 if (badaddr((void *)addr, 1)) 153 return 0; 154 155 return 1; 156 } 157 158 void 159 le_attach(parent, self, aux) 160 struct device *parent, *self; 161 void *aux; 162 { 163 struct le_softc *lesc = (struct le_softc *)self; 164 struct lance_softc *sc = &lesc->sc_am7990.lsc; 165 struct hb_attach_args *ha = aux; 166 u_char *p; 167 168 lesc->sc_r1 = (void *)IIOV(ha->ha_address); 169 170 if (ISIIOPA(ha->ha_address)) { 171 sc->sc_mem = (u_char *)lance_mem; 172 p = (u_char *)(idrom_addr + 0x10); 173 } else { 174 sc->sc_mem = lesc->sc_r1 - 0x10000; 175 p = (u_char *)(lesc->sc_r1 + 0x8010); 176 } 177 178 sc->sc_memsize = 0x4000; /* 16K */ 179 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff; 180 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 181 182 sc->sc_enaddr[0] = (*p++ << 4); 183 sc->sc_enaddr[0] |= *p++ & 0x0f; 184 sc->sc_enaddr[1] = (*p++ << 4); 185 sc->sc_enaddr[1] |= *p++ & 0x0f; 186 sc->sc_enaddr[2] = (*p++ << 4); 187 sc->sc_enaddr[2] |= *p++ & 0x0f; 188 sc->sc_enaddr[3] = (*p++ << 4); 189 sc->sc_enaddr[3] |= *p++ & 0x0f; 190 sc->sc_enaddr[4] = (*p++ << 4); 191 sc->sc_enaddr[4] |= *p++ & 0x0f; 192 sc->sc_enaddr[5] = (*p++ << 4); 193 sc->sc_enaddr[5] |= *p++ & 0x0f; 194 195 sc->sc_copytodesc = lance_copytobuf_contig; 196 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 197 sc->sc_copytobuf = lance_copytobuf_contig; 198 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 199 sc->sc_zerobuf = lance_zerobuf_contig; 200 201 sc->sc_rdcsr = lerdcsr; 202 sc->sc_wrcsr = lewrcsr; 203 sc->sc_hwinit = NULL; 204 205 am7990_config(&lesc->sc_am7990); 206 } 207 208 int 209 leintr(unit) 210 int unit; 211 { 212 struct am7990_softc *sc; 213 extern struct cfdriver le_cd; 214 215 if (unit >= le_cd.cd_ndevs) 216 return 0; 217 218 sc = le_cd.cd_devs[unit]; 219 return am7990_intr(sc); 220 } 221