1 /* $NetBSD: if_le.c,v 1.15 2005/12/24 20:07:24 perry 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 1.15 2005/12/24 20:07:24 perry 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/cpu.h> 62 #include <machine/adrsmap.h> 63 64 #include <dev/ic/lancereg.h> 65 #include <dev/ic/lancevar.h> 66 #include <dev/ic/am7990reg.h> 67 #include <dev/ic/am7990var.h> 68 69 #include <newsmips/dev/hbvar.h> 70 71 /* 72 * LANCE registers. 73 * The real stuff is in dev/ic/am7990reg.h 74 */ 75 struct lereg1 { 76 volatile uint16_t ler1_rdp; /* data port */ 77 volatile uint16_t ler1_rap; /* register select port */ 78 }; 79 80 /* 81 * Ethernet software status per interface. 82 * The real stuff is in dev/ic/am7990var.h 83 */ 84 struct le_softc { 85 struct am7990_softc sc_am7990; /* glue to MI code */ 86 87 struct lereg1 *sc_r1; /* LANCE registers */ 88 }; 89 90 static int le_match(struct device *, struct cfdata *, void *); 91 static void le_attach(struct device *, struct device *, void *); 92 93 CFATTACH_DECL(le, sizeof(struct le_softc), 94 le_match, le_attach, NULL, NULL); 95 96 #if defined(_KERNEL_OPT) 97 #include "opt_ddb.h" 98 #endif 99 100 #ifdef DDB 101 #define integrate 102 #define hide 103 #else 104 #define integrate static inline 105 #define hide static 106 #endif 107 108 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 109 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 110 111 hide void 112 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 113 { 114 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 115 116 ler1->ler1_rap = port; 117 ler1->ler1_rdp = val; 118 } 119 120 hide uint16_t 121 lerdcsr(struct lance_softc *sc, uint16_t port) 122 { 123 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 124 uint16_t val; 125 126 ler1->ler1_rap = port; 127 val = ler1->ler1_rdp; 128 return val; 129 } 130 131 int 132 le_match(struct device *parent, struct cfdata *cf, void *aux) 133 { 134 struct hb_attach_args *ha = aux; 135 136 if (strcmp(ha->ha_name, "le")) 137 return 0; 138 139 if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */ 140 return 0; 141 142 return 1; 143 } 144 145 void 146 le_attach(struct device *parent, struct device *self, void *aux) 147 { 148 struct le_softc *lesc = (struct le_softc *)self; 149 struct lance_softc *sc = &lesc->sc_am7990.lsc; 150 struct hb_attach_args *ha = aux; 151 int intlevel, intmask; 152 u_char *p; 153 154 intlevel = ha->ha_level; 155 if (intlevel == -1) { 156 printf(": interrupt level not configured\n"); 157 return; 158 } 159 printf(" level %d", intlevel); 160 161 switch (ha->ha_addr) { 162 163 case LANCE_PORT: 164 sc->sc_mem = (void *)LANCE_MEMORY; 165 p = (u_char *)(ETHER_ID + 16); 166 intmask = INTST1_LANCE; 167 break; 168 case LANCE_PORT1: 169 sc->sc_mem = (void *)LANCE_MEMORY1; 170 p = (u_char *)(ETHER_ID1 + 16); 171 intmask = INTST1_SLOT3; /* XXX not tested */ 172 break; 173 case LANCE_PORT2: 174 sc->sc_mem = (void *)LANCE_MEMORY2; 175 p = (u_char *)(ETHER_ID2 + 16); 176 intmask = INTST1_SLOT3; /* XXX not tested */ 177 break; 178 179 default: 180 printf(": unknown LANCE addr\n"); 181 return; 182 } 183 184 lesc->sc_r1 = (void *)ha->ha_addr; 185 186 sc->sc_memsize = 0x4000; /* 16K */ 187 sc->sc_addr = (int)sc->sc_mem & 0x00ffffff; 188 sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON; 189 190 sc->sc_enaddr[0] = (*p++ << 4); 191 sc->sc_enaddr[0] |= *p++ & 0x0f; 192 sc->sc_enaddr[1] = (*p++ << 4); 193 sc->sc_enaddr[1] |= *p++ & 0x0f; 194 sc->sc_enaddr[2] = (*p++ << 4); 195 sc->sc_enaddr[2] |= *p++ & 0x0f; 196 sc->sc_enaddr[3] = (*p++ << 4); 197 sc->sc_enaddr[3] |= *p++ & 0x0f; 198 sc->sc_enaddr[4] = (*p++ << 4); 199 sc->sc_enaddr[4] |= *p++ & 0x0f; 200 sc->sc_enaddr[5] = (*p++ << 4); 201 sc->sc_enaddr[5] |= *p++ & 0x0f; 202 203 sc->sc_copytodesc = lance_copytobuf_contig; 204 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 205 sc->sc_copytobuf = lance_copytobuf_contig; 206 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 207 sc->sc_zerobuf = lance_zerobuf_contig; 208 209 sc->sc_rdcsr = lerdcsr; 210 sc->sc_wrcsr = lewrcsr; 211 sc->sc_hwinit = NULL; 212 213 am7990_config(&lesc->sc_am7990); 214 hb_intr_establish(intlevel, intmask, IPL_NET, am7990_intr, sc); 215 } 216