1 /* $NetBSD: if_le.c,v 1.49 2002/03/15 05:55:36 gmcgarry 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 Charles M. Hannum and 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) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * Ralph Campbell and Rick Macklem. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 75 */ 76 77 #include <sys/cdefs.h> 78 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.49 2002/03/15 05:55:36 gmcgarry Exp $"); 79 80 #include "opt_inet.h" 81 #include "bpfilter.h" 82 83 #include <sys/param.h> 84 #include <sys/systm.h> 85 #include <sys/mbuf.h> 86 #include <sys/syslog.h> 87 #include <sys/socket.h> 88 #include <sys/device.h> 89 90 #include <net/if.h> 91 #include <net/if_ether.h> 92 #include <net/if_media.h> 93 94 #ifdef INET 95 #include <netinet/in.h> 96 #include <netinet/if_inarp.h> 97 #endif 98 99 #include <machine/autoconf.h> 100 #include <machine/cpu.h> 101 #include <machine/intr.h> 102 103 #include <dev/ic/lancereg.h> 104 #include <dev/ic/lancevar.h> 105 #include <dev/ic/am7990reg.h> 106 #include <dev/ic/am7990var.h> 107 108 #include <hp300/dev/dioreg.h> 109 #include <hp300/dev/diovar.h> 110 #include <hp300/dev/diodevs.h> 111 #include <hp300/dev/if_lereg.h> 112 #include <hp300/dev/if_levar.h> 113 114 #include "opt_useleds.h" 115 116 #ifdef USELEDS 117 #include <hp300/hp300/leds.h> 118 #endif 119 120 int lematch __P((struct device *, struct cfdata *, void *)); 121 void leattach __P((struct device *, struct device *, void *)); 122 123 struct cfattach le_ca = { 124 sizeof(struct le_softc), lematch, leattach 125 }; 126 127 int leintr __P((void *)); 128 129 #if defined(_KERNEL_OPT) 130 #include "opt_ddb.h" 131 #endif 132 133 #ifdef DDB 134 #define integrate 135 #define hide 136 #else 137 #define integrate static __inline 138 #define hide static 139 #endif 140 141 hide void le_copytobuf __P((struct lance_softc *, void *, int, int)); 142 hide void le_copyfrombuf __P((struct lance_softc *, void *, int, int)); 143 hide void le_zerobuf __P((struct lance_softc *, int, int)); 144 145 /* offsets for: ID, REGS, MEM, NVRAM */ 146 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 147 148 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 149 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 150 151 hide void 152 lewrcsr(sc, port, val) 153 struct lance_softc *sc; 154 u_int16_t port, val; 155 { 156 struct le_softc *lesc = (struct le_softc *)sc; 157 bus_space_tag_t bst = lesc->sc_bst; 158 bus_space_handle_t bsh0 = lesc->sc_bsh0; 159 bus_space_handle_t bsh1 = lesc->sc_bsh1; 160 161 do { 162 bus_space_write_2(bst, bsh1, LER1_RAP, port); 163 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 164 do { 165 bus_space_write_2(bst, bsh1, LER1_RDP, val); 166 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 167 } 168 169 hide u_int16_t 170 lerdcsr(sc, port) 171 struct lance_softc *sc; 172 u_int16_t port; 173 { 174 struct le_softc *lesc = (struct le_softc *)sc; 175 bus_space_tag_t bst = lesc->sc_bst; 176 bus_space_handle_t bsh0 = lesc->sc_bsh0; 177 bus_space_handle_t bsh1 = lesc->sc_bsh1; 178 u_int16_t val; 179 180 do { 181 bus_space_write_2(bst, bsh1, LER1_RAP, port); 182 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 183 do { 184 val = bus_space_read_2(bst, bsh1, LER1_RDP); 185 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 186 187 return (val); 188 } 189 190 int 191 lematch(parent, match, aux) 192 struct device *parent; 193 struct cfdata *match; 194 void *aux; 195 { 196 struct dio_attach_args *da = aux; 197 198 if (da->da_id == DIO_DEVICE_ID_LAN) 199 return (1); 200 return (0); 201 } 202 203 /* 204 * Interface exists: make available by filling in network interface 205 * record. System will initialize the interface when it is ready 206 * to accept packets. 207 */ 208 void 209 leattach(parent, self, aux) 210 struct device *parent, *self; 211 void *aux; 212 { 213 struct dio_attach_args *da = aux; 214 struct le_softc *lesc = (struct le_softc *)self; 215 struct lance_softc *sc = &lesc->sc_am7990.lsc; 216 bus_space_tag_t bst = da->da_bst; 217 bus_space_handle_t bsh0, bsh1, bsh2; 218 bus_size_t offset; 219 int i, ipl; 220 221 if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode), 222 da->da_size, 0, &bsh0)) { 223 printf("\n%s: can't map LANCE registers\n", 224 sc->sc_dev.dv_xname); 225 return; 226 } 227 228 if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) { 229 printf("\n%s: can't subregion LANCE space\n", 230 sc->sc_dev.dv_xname); 231 return; 232 } 233 234 if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) { 235 printf("\n%s: can't subregion buffer space\n", 236 sc->sc_dev.dv_xname); 237 return; 238 } 239 240 lesc->sc_bst = bst; 241 lesc->sc_bsh0 = bsh0; 242 lesc->sc_bsh1 = bsh1; 243 lesc->sc_bsh2 = bsh2; 244 245 bus_space_write_1(bst, bsh0, LER0_ID, 0xff); 246 DELAY(100); 247 248 ipl = DIO_IPL((caddr_t)bsh0); /* XXX */ 249 printf(" ipl %d", ipl); 250 251 sc->sc_conf3 = LE_C3_BSWP; 252 sc->sc_addr = 0; 253 sc->sc_memsize = LE_BUFSIZE; 254 255 /* 256 * Read the ethernet address off the board, one nibble at a time. 257 */ 258 offset = lestd[3]; 259 for (i = 0; i < sizeof(sc->sc_enaddr); i++) { 260 sc->sc_enaddr[i] = 261 (bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4; 262 offset++; 263 sc->sc_enaddr[i] |= 264 (bus_space_read_1(bst, bsh0, ++offset) & 0xf); 265 offset++; 266 } 267 268 sc->sc_copytodesc = le_copytobuf; 269 sc->sc_copyfromdesc = le_copyfrombuf; 270 sc->sc_copytobuf = le_copytobuf; 271 sc->sc_copyfrombuf = le_copyfrombuf; 272 sc->sc_zerobuf = le_zerobuf; 273 274 sc->sc_rdcsr = lerdcsr; 275 sc->sc_wrcsr = lewrcsr; 276 sc->sc_hwinit = NULL; 277 278 am7990_config(&lesc->sc_am7990); 279 280 /* Establish the interrupt handler. */ 281 (void) dio_intr_establish(leintr, sc, ipl, IPL_NET); 282 bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE); 283 } 284 285 int 286 leintr(arg) 287 void *arg; 288 { 289 struct lance_softc *sc = arg; 290 #ifdef USELEDS 291 u_int16_t isr; 292 293 isr = lerdcsr(sc, LE_CSR0); 294 295 if ((isr & LE_C0_INTR) == 0) 296 return (0); 297 298 if (isr & LE_C0_RINT) 299 ledcontrol(0, 0, LED_LANRCV); 300 301 if (isr & LE_C0_TINT) 302 ledcontrol(0, 0, LED_LANXMT); 303 #endif /* USELEDS */ 304 305 return (am7990_intr(sc)); 306 } 307 308 hide void 309 le_copytobuf(sc, from, boff, len) 310 struct lance_softc *sc; 311 void *from; 312 int boff, len; 313 { 314 struct le_softc *lesc = (struct le_softc *)sc; 315 316 bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len); 317 } 318 319 hide void 320 le_copyfrombuf(sc, to, boff, len) 321 struct lance_softc *sc; 322 void *to; 323 int boff, len; 324 { 325 struct le_softc *lesc = (struct le_softc *)sc; 326 327 bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len); 328 } 329 330 hide void 331 le_zerobuf(sc, boff, len) 332 struct lance_softc *sc; 333 int boff, len; 334 { 335 struct le_softc *lesc = (struct le_softc *)sc; 336 337 bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len); 338 } 339