if_le.c revision 1.3
1 /* $NetBSD: if_le.c,v 1.3 2003/08/07 16:28:04 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell and Rick Macklem. 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 35 */ 36 37 /*- 38 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 39 * 40 * This code is derived from software contributed to Berkeley by 41 * Ralph Campbell and Rick Macklem. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 72 */ 73 74 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 75 76 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.3 2003/08/07 16:28:04 agc Exp $"); 77 78 #include "opt_inet.h" 79 #include "bpfilter.h" 80 81 #include <sys/param.h> 82 #include <sys/systm.h> 83 #include <sys/mbuf.h> 84 #include <sys/socket.h> 85 #include <sys/device.h> 86 87 #include <net/if.h> 88 #include <net/if_ether.h> 89 #include <net/if_media.h> 90 91 #ifdef INET 92 #include <netinet/in.h> 93 #include <netinet/if_inarp.h> 94 #endif 95 96 #include <machine/cpu.h> 97 #include <machine/autoconf.h> 98 99 #include <luna68k/luna68k/isr.h> 100 101 #include <dev/ic/lancereg.h> 102 #include <dev/ic/lancevar.h> 103 #include <dev/ic/am7990reg.h> 104 #include <dev/ic/am7990var.h> 105 106 /* 107 * LANCE registers. 108 */ 109 struct lereg1 { 110 volatile u_int16_t ler1_rdp; /* data port */ 111 volatile u_int16_t ler1_rap; /* register select port */ 112 }; 113 114 /* 115 * Ethernet software status per interface. 116 * 117 * Each interface is referenced by a network interface structure, 118 * arpcom.ac_if, which the routing code uses to locate the interface. 119 * This structure contains the output queue for the interface, its address, ... 120 */ 121 struct le_softc { 122 struct am7990_softc sc_am7990; /* glue to MI code */ 123 124 struct lereg1 *sc_r1; /* LANCE registers */ 125 }; 126 127 static int le_match __P((struct device *, struct cfdata *, void *)); 128 static void le_attach __P((struct device *, struct device *, void *)); 129 130 CFATTACH_DECL(le, sizeof(struct le_softc), 131 le_match, le_attach, NULL, NULL); 132 extern struct cfdriver le_cd; 133 134 static void lesrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 135 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 136 static void myetheraddr __P((u_int8_t *)); 137 138 static void 139 lesrcsr(sc, port, val) 140 struct lance_softc *sc; 141 u_int16_t port, val; 142 { 143 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 144 145 ler1->ler1_rap = port; 146 ler1->ler1_rdp = val; 147 } 148 149 static u_int16_t 150 lerdcsr(sc, port) 151 struct lance_softc *sc; 152 u_int16_t port; 153 { 154 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 155 u_int16_t val; 156 157 ler1->ler1_rap = port; 158 val = ler1->ler1_rdp; 159 return (val); 160 } 161 162 static int 163 le_match(parent, cf, aux) 164 struct device *parent; 165 struct cfdata *cf; 166 void *aux; 167 { 168 struct mainbus_attach_args *ma = aux; 169 170 if (strcmp(ma->ma_name, le_cd.cd_name)) 171 return (0); 172 173 return (1); 174 } 175 176 void 177 le_attach(parent, self, aux) 178 struct device *parent, *self; 179 void *aux; 180 { 181 struct le_softc *lesc = (void *)self; 182 struct lance_softc *sc = &lesc->sc_am7990.lsc; 183 struct mainbus_attach_args *ma = aux; 184 185 /* Map control registers. */ 186 lesc->sc_r1 = (struct lereg1 *)ma->ma_addr; /* LANCE */ 187 188 sc->sc_mem = (void *)0x71010000; /* SRAM */ 189 sc->sc_conf3 = LE_C3_BSWP; 190 sc->sc_addr = (u_long)sc->sc_mem & 0xffffff; 191 sc->sc_memsize = 64 * 1024; /* 64KB */ 192 193 myetheraddr(sc->sc_enaddr); 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 = lesrcsr; 203 sc->sc_hwinit = NULL; 204 205 am7990_config(&lesc->sc_am7990); 206 207 isrlink_autovec(am7990_intr, (void *)sc, ma->ma_ilvl, ISRPRI_NET); 208 } 209 210 /* 211 * LUNA-I has 1Mbit CPU ROM, which contains MAC address directly 212 * readable at 0x4100FFE0 as a sequence of 12 ASCII characters. 213 * 214 * LUNA-II has 16Kbit NVSRAM on its ethercard, whose contents are 215 * accessible 4bit-wise by ctl register operation. The register is 216 * mapped at 0xF1000004. 217 */ 218 void 219 myetheraddr(ether) 220 u_int8_t *ether; 221 { 222 unsigned i, loc; 223 u_int8_t *ea; 224 volatile struct { u_int32_t ctl; } *ds1220; 225 226 switch (machtype) { 227 case LUNA_I: 228 ea = (u_int8_t *)0x4101FFE0; 229 for (i = 0; i < 6; i++) { 230 int u, l; 231 232 u = ea[0]; 233 u = (u < 'A') ? u & 0xf : u - 'A' + 10; 234 l = ea[1]; 235 l = (l < 'A') ? l & 0xf : l - 'A' + 10; 236 237 ether[i] = l | (u << 4); 238 ea += 2; 239 } 240 break; 241 case LUNA_II: 242 ds1220 = (void *)0xF1000004; 243 loc = 12; 244 for (i = 0; i < 6; i++) { 245 unsigned u, l, hex; 246 247 ds1220->ctl = (loc) << 16; 248 u = 0xf0 & (ds1220->ctl >> 12); 249 ds1220->ctl = (loc + 1) << 16; 250 l = 0x0f & (ds1220->ctl >> 16); 251 hex = (u < '9') ? l : l + 9; 252 253 ds1220->ctl = (loc + 2) << 16; 254 u = 0xf0 & (ds1220->ctl >> 12); 255 ds1220->ctl = (loc + 3) << 16; 256 l = 0x0f & (ds1220->ctl >> 16); 257 258 ether[i] = ((u < '9') ? l : l + 9) | (hex << 4); 259 loc += 4; 260 } 261 break; 262 default: 263 ether[0] = 0x00; ether[1] = 0x00; ether[2] = 0x0a; 264 ether[3] = 0xDE; ether[4] = 0xAD; ether[5] = 0x00; 265 break; 266 } 267 } 268
Indexes created Thu Oct 02 14:10:14 GMT 2025