if_le.c revision 1.8
1 /* $NetBSD: if_le.c,v 1.8 2019/06/30 02:11:56 tsutsui 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 1.8 2019/06/30 02:11:56 tsutsui Exp $"); 77 78 #include "opt_inet.h" 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/mbuf.h> 83 #include <sys/socket.h> 84 #include <sys/device.h> 85 86 #include <net/if.h> 87 #include <net/if_ether.h> 88 #include <net/if_media.h> 89 90 #ifdef INET 91 #include <netinet/in.h> 92 #include <netinet/if_inarp.h> 93 #endif 94 95 #include <machine/cpu.h> 96 #include <machine/autoconf.h> 97 98 #include <luna68k/luna68k/isr.h> 99 100 #include <dev/ic/lancereg.h> 101 #include <dev/ic/lancevar.h> 102 #include <dev/ic/am7990reg.h> 103 #include <dev/ic/am7990var.h> 104 105 #include "ioconf.h" 106 107 /* 108 * LANCE registers. 109 */ 110 struct lereg1 { 111 volatile uint16_t ler1_rdp; /* data port */ 112 volatile uint16_t ler1_rap; /* register select port */ 113 }; 114 115 /* 116 * Ethernet software status per interface. 117 * 118 * Each interface is referenced by a network interface structure, 119 * arpcom.ac_if, which the routing code uses to locate the interface. 120 * This structure contains the output queue for the interface, its address, ... 121 */ 122 struct le_softc { 123 struct am7990_softc sc_am7990; /* glue to MI code */ 124 125 struct lereg1 *sc_r1; /* LANCE registers */ 126 }; 127 128 static int le_match(device_t, cfdata_t, void *); 129 static void le_attach(device_t, device_t, void *); 130 131 CFATTACH_DECL_NEW(le, sizeof(struct le_softc), 132 le_match, le_attach, NULL, NULL); 133 134 static void lesrcsr(struct lance_softc *, uint16_t, uint16_t); 135 static uint16_t lerdcsr(struct lance_softc *, uint16_t); 136 static void myetheraddr(uint8_t *); 137 138 static void 139 lesrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 140 { 141 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 142 143 ler1->ler1_rap = port; 144 ler1->ler1_rdp = val; 145 } 146 147 static uint16_t 148 lerdcsr(struct lance_softc *sc, uint16_t port) 149 { 150 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 151 uint16_t val; 152 153 ler1->ler1_rap = port; 154 val = ler1->ler1_rdp; 155 return val; 156 } 157 158 static int 159 le_match(device_t parent, cfdata_t cf, void *aux) 160 { 161 struct mainbus_attach_args *ma = aux; 162 163 if (strcmp(ma->ma_name, le_cd.cd_name)) 164 return 0; 165 166 return 1; 167 } 168 169 void 170 le_attach(device_t parent, device_t self, void *aux) 171 { 172 struct le_softc *lesc = device_private(self); 173 struct lance_softc *sc = &lesc->sc_am7990.lsc; 174 struct mainbus_attach_args *ma = aux; 175 176 sc->sc_dev = self; 177 178 /* Map control registers. */ 179 lesc->sc_r1 = (struct lereg1 *)ma->ma_addr; /* LANCE */ 180 181 sc->sc_mem = (void *)0x71010000; /* SRAM */ 182 sc->sc_conf3 = LE_C3_BSWP; 183 sc->sc_addr = (u_long)sc->sc_mem & 0xffffff; 184 sc->sc_memsize = 64 * 1024; /* 64KB */ 185 186 myetheraddr(sc->sc_enaddr); 187 188 sc->sc_copytodesc = lance_copytobuf_contig; 189 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 190 sc->sc_copytobuf = lance_copytobuf_contig; 191 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 192 sc->sc_zerobuf = lance_zerobuf_contig; 193 194 sc->sc_rdcsr = lerdcsr; 195 sc->sc_wrcsr = lesrcsr; 196 sc->sc_hwinit = NULL; 197 198 am7990_config(&lesc->sc_am7990); 199 200 isrlink_autovec(am7990_intr, (void *)sc, ma->ma_ilvl, ISRPRI_NET); 201 } 202 203 /* 204 * LUNA-I has 1Mbit CPU ROM, which contains MAC address directly 205 * readable at 0x4100FFE0 as a sequence of 12 ASCII characters. 206 * 207 * LUNA-II has 16Kbit NVSRAM on its ethercard, whose contents are 208 * accessible 4bit-wise by ctl register operation. The register is 209 * mapped at 0xF1000004. 210 */ 211 void 212 myetheraddr(uint8_t *ether) 213 { 214 unsigned int i, loc; 215 uint8_t *ea; 216 volatile struct { uint32_t ctl; } *ds1220; 217 218 switch (machtype) { 219 case LUNA_I: 220 ea = (uint8_t *)0x4101FFE0; 221 for (i = 0; i < ETHER_ADDR_LEN; i++) { 222 int u, l; 223 224 u = ea[0]; 225 u = (u < 'A') ? u & 0xf : u - 'A' + 10; 226 l = ea[1]; 227 l = (l < 'A') ? l & 0xf : l - 'A' + 10; 228 229 ether[i] = l | (u << 4); 230 ea += 2; 231 } 232 break; 233 case LUNA_II: 234 ds1220 = (void *)0xF1000004; 235 loc = 12; 236 for (i = 0; i < ETHER_ADDR_LEN; i++) { 237 unsigned int u, l, hex; 238 239 ds1220->ctl = (loc) << 16; 240 u = 0xf0 & (ds1220->ctl >> 12); 241 ds1220->ctl = (loc + 1) << 16; 242 l = 0x0f & (ds1220->ctl >> 16); 243 hex = (u < '9') ? l : l + 9; 244 245 ds1220->ctl = (loc + 2) << 16; 246 u = 0xf0 & (ds1220->ctl >> 12); 247 ds1220->ctl = (loc + 3) << 16; 248 l = 0x0f & (ds1220->ctl >> 16); 249 250 ether[i] = ((u < '9') ? l : l + 9) | (hex << 4); 251 loc += 4; 252 } 253 break; 254 default: 255 ether[0] = 0x00; ether[1] = 0x00; ether[2] = 0x0a; 256 ether[3] = 0xDE; ether[4] = 0xAD; ether[5] = 0x00; 257 break; 258 } 259 } 260
Indexes created Thu Oct 02 14:10:14 GMT 2025