if_le.c revision 1.46
1 /* $NetBSD: if_le.c,v 1.46 1998/07/21 17:36:02 drochner Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 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 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 41 * Copyright (c) 1992, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * This code is derived from software contributed to Berkeley by 45 * Ralph Campbell and Rick Macklem. 46 * 47 * Redistribution and use in source and binary forms, with or without 48 * modification, are permitted provided that the following conditions 49 * are met: 50 * 1. Redistributions of source code must retain the above copyright 51 * notice, this list of conditions and the following disclaimer. 52 * 2. Redistributions in binary form must reproduce the above copyright 53 * notice, this list of conditions and the following disclaimer in the 54 * documentation and/or other materials provided with the distribution. 55 * 3. All advertising materials mentioning features or use of this software 56 * must display the following acknowledgement: 57 * This product includes software developed by the University of 58 * California, Berkeley and its contributors. 59 * 4. Neither the name of the University nor the names of its contributors 60 * may be used to endorse or promote products derived from this software 61 * without specific prior written permission. 62 * 63 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 64 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 66 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 69 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 70 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 71 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 72 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 73 * SUCH DAMAGE. 74 * 75 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 76 */ 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/syslog.h> 85 #include <sys/socket.h> 86 #include <sys/device.h> 87 88 #include <net/if.h> 89 #include <net/if_ether.h> 90 #include <net/if_media.h> 91 92 #ifdef INET 93 #include <netinet/in.h> 94 #include <netinet/if_inarp.h> 95 #endif 96 97 #include <machine/autoconf.h> 98 #include <machine/cpu.h> 99 #include <machine/intr.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 #include <hp300/dev/dioreg.h> 107 #include <hp300/dev/diovar.h> 108 #include <hp300/dev/diodevs.h> 109 #include <hp300/dev/if_lereg.h> 110 #include <hp300/dev/if_levar.h> 111 112 #include "opt_useleds.h" 113 114 #ifdef USELEDS 115 #include <hp300/hp300/leds.h> 116 #endif 117 118 int lematch __P((struct device *, struct cfdata *, void *)); 119 void leattach __P((struct device *, struct device *, void *)); 120 121 struct cfattach le_ca = { 122 sizeof(struct le_softc), lematch, leattach 123 }; 124 125 int leintr __P((void *)); 126 127 #if defined(_KERNEL) && !defined(_LKM) 128 #include "opt_ddb.h" 129 #endif 130 131 #ifdef DDB 132 #define integrate 133 #define hide 134 #else 135 #define integrate static __inline 136 #define hide static 137 #endif 138 139 hide void le_copytobuf __P((struct lance_softc *, void *, int, int)); 140 hide void le_copyfrombuf __P((struct lance_softc *, void *, int, int)); 141 hide void le_zerobuf __P((struct lance_softc *, int, int)); 142 143 /* offsets for: ID, REGS, MEM, NVRAM */ 144 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 145 146 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 147 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 148 149 hide void 150 lewrcsr(sc, port, val) 151 struct lance_softc *sc; 152 u_int16_t port, val; 153 { 154 struct le_softc *lesc = (struct le_softc *)sc; 155 bus_space_tag_t bst = lesc->sc_bst; 156 bus_space_handle_t bsh0 = lesc->sc_bsh0; 157 bus_space_handle_t bsh1 = lesc->sc_bsh1; 158 159 do { 160 bus_space_write_2(bst, bsh1, LER1_RAP, port); 161 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 162 do { 163 bus_space_write_2(bst, bsh1, LER1_RDP, val); 164 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 165 } 166 167 hide u_int16_t 168 lerdcsr(sc, port) 169 struct lance_softc *sc; 170 u_int16_t port; 171 { 172 struct le_softc *lesc = (struct le_softc *)sc; 173 bus_space_tag_t bst = lesc->sc_bst; 174 bus_space_handle_t bsh0 = lesc->sc_bsh0; 175 bus_space_handle_t bsh1 = lesc->sc_bsh1; 176 u_int16_t val; 177 178 do { 179 bus_space_write_2(bst, bsh1, LER1_RAP, port); 180 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 181 do { 182 val = bus_space_read_2(bst, bsh1, LER1_RDP); 183 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 184 185 return (val); 186 } 187 188 int 189 lematch(parent, match, aux) 190 struct device *parent; 191 struct cfdata *match; 192 void *aux; 193 { 194 struct dio_attach_args *da = aux; 195 196 if (da->da_id == DIO_DEVICE_ID_LAN) 197 return (1); 198 return (0); 199 } 200 201 /* 202 * Interface exists: make available by filling in network interface 203 * record. System will initialize the interface when it is ready 204 * to accept packets. 205 */ 206 void 207 leattach(parent, self, aux) 208 struct device *parent, *self; 209 void *aux; 210 { 211 struct dio_attach_args *da = aux; 212 struct le_softc *lesc = (struct le_softc *)self; 213 struct lance_softc *sc = &lesc->sc_am7990.lsc; 214 bus_space_tag_t bst = da->da_bst; 215 bus_space_handle_t bsh0, bsh1, bsh2; 216 bus_size_t offset; 217 int i, ipl; 218 219 if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode), 220 da->da_size, 0, &bsh0)) { 221 printf("\n%s: can't map LANCE registers\n", 222 sc->sc_dev.dv_xname); 223 return; 224 } 225 226 if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) { 227 printf("\n%s: can't subregion LANCE space\n", 228 sc->sc_dev.dv_xname); 229 return; 230 } 231 232 if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) { 233 printf("\n%s: can't subregion buffer space\n", 234 sc->sc_dev.dv_xname); 235 return; 236 } 237 238 lesc->sc_bst = bst; 239 lesc->sc_bsh0 = bsh0; 240 lesc->sc_bsh1 = bsh1; 241 lesc->sc_bsh2 = bsh2; 242 243 bus_space_write_1(bst, bsh0, LER0_ID, 0xff); 244 DELAY(100); 245 246 ipl = DIO_IPL((caddr_t)bsh0); /* XXX */ 247 printf(" ipl %d", ipl); 248 249 sc->sc_conf3 = LE_C3_BSWP; 250 sc->sc_addr = 0; 251 sc->sc_memsize = LE_BUFSIZE; 252 253 /* 254 * Read the ethernet address off the board, one nibble at a time. 255 */ 256 offset = lestd[3]; 257 for (i = 0; i < sizeof(sc->sc_enaddr); i++) { 258 sc->sc_enaddr[i] = 259 (bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4; 260 offset++; 261 sc->sc_enaddr[i] |= 262 (bus_space_read_1(bst, bsh0, ++offset) & 0xf); 263 offset++; 264 } 265 266 sc->sc_copytodesc = le_copytobuf; 267 sc->sc_copyfromdesc = le_copyfrombuf; 268 sc->sc_copytobuf = le_copytobuf; 269 sc->sc_copyfrombuf = le_copyfrombuf; 270 sc->sc_zerobuf = le_zerobuf; 271 272 sc->sc_rdcsr = lerdcsr; 273 sc->sc_wrcsr = lewrcsr; 274 sc->sc_hwinit = NULL; 275 276 am7990_config(&lesc->sc_am7990); 277 278 /* Establish the interrupt handler. */ 279 (void) dio_intr_establish(leintr, sc, ipl, IPL_NET); 280 bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE); 281 } 282 283 int 284 leintr(arg) 285 void *arg; 286 { 287 struct lance_softc *sc = arg; 288 #ifdef USELEDS 289 u_int16_t isr; 290 291 isr = lerdcsr(sc, LE_CSR0); 292 293 if ((isr & LE_C0_INTR) == 0) 294 return (0); 295 296 if (isr & LE_C0_RINT) 297 ledcontrol(0, 0, LED_LANRCV); 298 299 if (isr & LE_C0_TINT) 300 ledcontrol(0, 0, LED_LANXMT); 301 #endif /* USELEDS */ 302 303 return (am7990_intr(sc)); 304 } 305 306 hide void 307 le_copytobuf(sc, from, boff, len) 308 struct lance_softc *sc; 309 void *from; 310 int boff, len; 311 { 312 struct le_softc *lesc = (struct le_softc *)sc; 313 314 bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len); 315 } 316 317 hide void 318 le_copyfrombuf(sc, to, boff, len) 319 struct lance_softc *sc; 320 void *to; 321 int boff, len; 322 { 323 struct le_softc *lesc = (struct le_softc *)sc; 324 325 bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len); 326 } 327 328 hide void 329 le_zerobuf(sc, boff, len) 330 struct lance_softc *sc; 331 int boff, len; 332 { 333 struct le_softc *lesc = (struct le_softc *)sc; 334 335 bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len); 336 } 337
Indexes created Thu Sep 25 16:09:42 GMT 2025