if_le.c revision 1.16.4.1
1 /* $NetBSD: if_le.c,v 1.16.4.1 2008/05/16 02:22:57 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.16.4.1 2008/05/16 02:22:57 yamt Exp $"); 34 35 #include "opt_inet.h" 36 #include "bpfilter.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/mbuf.h> 41 #include <sys/syslog.h> 42 #include <sys/socket.h> 43 #include <sys/device.h> 44 45 #include <net/if.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 49 #ifdef INET 50 #include <netinet/in.h> 51 #include <netinet/if_inarp.h> 52 #endif 53 54 #include <machine/cpu.h> 55 #include <machine/adrsmap.h> 56 57 #include <dev/ic/lancereg.h> 58 #include <dev/ic/lancevar.h> 59 #include <dev/ic/am7990reg.h> 60 #include <dev/ic/am7990var.h> 61 62 #include <newsmips/dev/hbvar.h> 63 64 /* 65 * LANCE registers. 66 * The real stuff is in dev/ic/am7990reg.h 67 */ 68 struct lereg1 { 69 volatile uint16_t ler1_rdp; /* data port */ 70 volatile uint16_t ler1_rap; /* register select port */ 71 }; 72 73 /* 74 * Ethernet software status per interface. 75 * The real stuff is in dev/ic/am7990var.h 76 */ 77 struct le_softc { 78 struct am7990_softc sc_am7990; /* glue to MI code */ 79 80 struct lereg1 *sc_r1; /* LANCE registers */ 81 }; 82 83 static int le_match(device_t, cfdata_t, void *); 84 static void le_attach(device_t, device_t, void *); 85 86 CFATTACH_DECL_NEW(le, sizeof(struct le_softc), 87 le_match, le_attach, NULL, NULL); 88 89 #if defined(_KERNEL_OPT) 90 #include "opt_ddb.h" 91 #endif 92 93 #ifdef DDB 94 #define integrate 95 #define hide 96 #else 97 #define integrate static inline 98 #define hide static 99 #endif 100 101 hide void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 102 hide uint16_t lerdcsr(struct lance_softc *, uint16_t); 103 104 hide void 105 lewrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 106 { 107 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 108 109 ler1->ler1_rap = port; 110 ler1->ler1_rdp = val; 111 } 112 113 hide uint16_t 114 lerdcsr(struct lance_softc *sc, uint16_t port) 115 { 116 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 117 uint16_t val; 118 119 ler1->ler1_rap = port; 120 val = ler1->ler1_rdp; 121 return val; 122 } 123 124 int 125 le_match(device_t parent, cfdata_t cf, void *aux) 126 { 127 struct hb_attach_args *ha = aux; 128 129 if (strcmp(ha->ha_name, "le")) 130 return 0; 131 132 if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */ 133 return 0; 134 135 return 1; 136 } 137 138 void 139 le_attach(device_t parent, device_t self, void *aux) 140 { 141 struct le_softc *lesc = device_private(self); 142 struct lance_softc *sc = &lesc->sc_am7990.lsc; 143 struct hb_attach_args *ha = aux; 144 int intlevel, intmask; 145 uint8_t *p; 146 147 sc->sc_dev = self; 148 intlevel = ha->ha_level; 149 if (intlevel == -1) { 150 aprint_error(": interrupt level not configured\n"); 151 return; 152 } 153 aprint_normal(" level %d", intlevel); 154 155 switch (ha->ha_addr) { 156 157 case LANCE_PORT: 158 sc->sc_mem = (void *)LANCE_MEMORY; 159 p = (uint8_t *)(ETHER_ID + 16); 160 intmask = INTST1_LANCE; 161 break; 162 case LANCE_PORT1: 163 sc->sc_mem = (void *)LANCE_MEMORY1; 164 p = (uint8_t *)(ETHER_ID1 + 16); 165 intmask = INTST1_SLOT3; /* XXX not tested */ 166 break; 167 case LANCE_PORT2: 168 sc->sc_mem = (void *)LANCE_MEMORY2; 169 p = (uint8_t *)(ETHER_ID2 + 16); 170 intmask = INTST1_SLOT3; /* XXX not tested */ 171 break; 172 173 default: 174 aprint_error(": unknown LANCE addr\n"); 175 return; 176 } 177 178 lesc->sc_r1 = (void *)ha->ha_addr; 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 hb_intr_establish(intlevel, intmask, IPL_NET, am7990_intr, sc); 209 } 210
Indexes created Sat Oct 25 16:10:12 GMT 2025