1 /* $NetBSD: if_le.c,v 1.8 2003/07/15 02:59:26 lukem 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 <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.8 2003/07/15 02:59:26 lukem Exp $"); 45 46 #include "opt_inet.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/mbuf.h> 52 #include <sys/socket.h> 53 #include <sys/device.h> 54 55 #include <net/if.h> 56 #include <net/if_ether.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/if_inarp.h> 62 #endif 63 64 #include <machine/cpu.h> 65 66 #include <news68k/dev/hbvar.h> 67 68 #include <dev/ic/lancereg.h> 69 #include <dev/ic/lancevar.h> 70 #include <dev/ic/am7990reg.h> 71 #include <dev/ic/am7990var.h> 72 73 /* 74 * LANCE registers. 75 * The real stuff is in dev/ic/am7990reg.h 76 */ 77 struct lereg1 { 78 volatile u_int16_t ler1_rdp; /* data port */ 79 volatile u_int16_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(struct device *, struct cfdata *, void *); 93 static void le_attach(struct device *, struct device *, void *); 94 95 CFATTACH_DECL(le, sizeof(struct le_softc), 96 le_match, le_attach, NULL, NULL); 97 98 extern volatile u_char *lance_mem, *idrom_addr; 99 100 #if defined(_KERNEL_OPT) 101 #include "opt_ddb.h" 102 #endif 103 104 #ifdef DDB 105 #define integrate 106 #define hide 107 #else 108 #define integrate static __inline 109 #define hide static 110 #endif 111 112 hide void lewrcsr(struct lance_softc *, u_int16_t, u_int16_t); 113 hide u_int16_t lerdcsr(struct lance_softc *, u_int16_t); 114 int leintr(int); 115 116 hide void 117 lewrcsr(sc, port, val) 118 struct lance_softc *sc; 119 u_int16_t port, val; 120 { 121 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 122 123 ler1->ler1_rap = port; 124 ler1->ler1_rdp = val; 125 } 126 127 hide u_int16_t 128 lerdcsr(sc, port) 129 struct lance_softc *sc; 130 u_int16_t port; 131 { 132 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 133 u_int16_t val; 134 135 ler1->ler1_rap = port; 136 val = ler1->ler1_rdp; 137 return (val); 138 } 139 140 int 141 le_match(parent, cf, aux) 142 struct device *parent; 143 struct cfdata *cf; 144 void *aux; 145 { 146 struct hb_attach_args *ha = aux; 147 int addr; 148 149 if (strcmp(ha->ha_name, "le")) 150 return 0; 151 152 addr = IIOV(ha->ha_address); 153 154 if (badaddr((void *)addr, 1)) 155 return 0; 156 157 return 1; 158 } 159 160 void 161 le_attach(parent, self, aux) 162 struct device *parent, *self; 163 void *aux; 164 { 165 struct le_softc *lesc = (struct le_softc *)self; 166 struct lance_softc *sc = &lesc->sc_am7990.lsc; 167 struct hb_attach_args *ha = aux; 168 u_char *p; 169 170 lesc->sc_r1 = (void *)IIOV(ha->ha_address); 171 172 if (ISIIOPA(ha->ha_address)) { 173 sc->sc_mem = (u_char *)lance_mem; 174 p = (u_char *)(idrom_addr + 0x10); 175 } else { 176 sc->sc_mem = lesc->sc_r1 - 0x10000; 177 p = (u_char *)(lesc->sc_r1 + 0x8010); 178 } 179 180 sc->sc_memsize = 0x4000; /* 16K */ 181 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff; 182 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 183 184 sc->sc_enaddr[0] = (*p++ << 4); 185 sc->sc_enaddr[0] |= *p++ & 0x0f; 186 sc->sc_enaddr[1] = (*p++ << 4); 187 sc->sc_enaddr[1] |= *p++ & 0x0f; 188 sc->sc_enaddr[2] = (*p++ << 4); 189 sc->sc_enaddr[2] |= *p++ & 0x0f; 190 sc->sc_enaddr[3] = (*p++ << 4); 191 sc->sc_enaddr[3] |= *p++ & 0x0f; 192 sc->sc_enaddr[4] = (*p++ << 4); 193 sc->sc_enaddr[4] |= *p++ & 0x0f; 194 sc->sc_enaddr[5] = (*p++ << 4); 195 sc->sc_enaddr[5] |= *p++ & 0x0f; 196 197 sc->sc_copytodesc = lance_copytobuf_contig; 198 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 199 sc->sc_copytobuf = lance_copytobuf_contig; 200 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 201 sc->sc_zerobuf = lance_zerobuf_contig; 202 203 sc->sc_rdcsr = lerdcsr; 204 sc->sc_wrcsr = lewrcsr; 205 sc->sc_hwinit = NULL; 206 207 am7990_config(&lesc->sc_am7990); 208 } 209 210 int 211 leintr(unit) 212 int unit; 213 { 214 struct am7990_softc *sc; 215 extern struct cfdriver le_cd; 216 217 if (unit >= le_cd.cd_ndevs) 218 return 0; 219 220 sc = le_cd.cd_devs[unit]; 221 return am7990_intr(sc); 222 } 223