1 /* $NetBSD: if_le.c,v 1.47 1998/08/15 10:51:16 mycroft 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 "opt_inet.h" 78 #include "bpfilter.h" 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/mbuf.h> 83 #include <sys/syslog.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/autoconf.h> 97 #include <machine/cpu.h> 98 #include <machine/intr.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 <hp300/dev/dioreg.h> 106 #include <hp300/dev/diovar.h> 107 #include <hp300/dev/diodevs.h> 108 #include <hp300/dev/if_lereg.h> 109 #include <hp300/dev/if_levar.h> 110 111 #include "opt_useleds.h" 112 113 #ifdef USELEDS 114 #include <hp300/hp300/leds.h> 115 #endif 116 117 int lematch __P((struct device *, struct cfdata *, void *)); 118 void leattach __P((struct device *, struct device *, void *)); 119 120 struct cfattach le_ca = { 121 sizeof(struct le_softc), lematch, leattach 122 }; 123 124 int leintr __P((void *)); 125 126 #if defined(_KERNEL) && !defined(_LKM) 127 #include "opt_ddb.h" 128 #endif 129 130 #ifdef DDB 131 #define integrate 132 #define hide 133 #else 134 #define integrate static __inline 135 #define hide static 136 #endif 137 138 hide void le_copytobuf __P((struct lance_softc *, void *, int, int)); 139 hide void le_copyfrombuf __P((struct lance_softc *, void *, int, int)); 140 hide void le_zerobuf __P((struct lance_softc *, int, int)); 141 142 /* offsets for: ID, REGS, MEM, NVRAM */ 143 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 144 145 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 146 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 147 148 hide void 149 lewrcsr(sc, port, val) 150 struct lance_softc *sc; 151 u_int16_t port, val; 152 { 153 struct le_softc *lesc = (struct le_softc *)sc; 154 bus_space_tag_t bst = lesc->sc_bst; 155 bus_space_handle_t bsh0 = lesc->sc_bsh0; 156 bus_space_handle_t bsh1 = lesc->sc_bsh1; 157 158 do { 159 bus_space_write_2(bst, bsh1, LER1_RAP, port); 160 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 161 do { 162 bus_space_write_2(bst, bsh1, LER1_RDP, val); 163 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 164 } 165 166 hide u_int16_t 167 lerdcsr(sc, port) 168 struct lance_softc *sc; 169 u_int16_t port; 170 { 171 struct le_softc *lesc = (struct le_softc *)sc; 172 bus_space_tag_t bst = lesc->sc_bst; 173 bus_space_handle_t bsh0 = lesc->sc_bsh0; 174 bus_space_handle_t bsh1 = lesc->sc_bsh1; 175 u_int16_t val; 176 177 do { 178 bus_space_write_2(bst, bsh1, LER1_RAP, port); 179 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 180 do { 181 val = bus_space_read_2(bst, bsh1, LER1_RDP); 182 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 183 184 return (val); 185 } 186 187 int 188 lematch(parent, match, aux) 189 struct device *parent; 190 struct cfdata *match; 191 void *aux; 192 { 193 struct dio_attach_args *da = aux; 194 195 if (da->da_id == DIO_DEVICE_ID_LAN) 196 return (1); 197 return (0); 198 } 199 200 /* 201 * Interface exists: make available by filling in network interface 202 * record. System will initialize the interface when it is ready 203 * to accept packets. 204 */ 205 void 206 leattach(parent, self, aux) 207 struct device *parent, *self; 208 void *aux; 209 { 210 struct dio_attach_args *da = aux; 211 struct le_softc *lesc = (struct le_softc *)self; 212 struct lance_softc *sc = &lesc->sc_am7990.lsc; 213 bus_space_tag_t bst = da->da_bst; 214 bus_space_handle_t bsh0, bsh1, bsh2; 215 bus_size_t offset; 216 int i, ipl; 217 218 if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode), 219 da->da_size, 0, &bsh0)) { 220 printf("\n%s: can't map LANCE registers\n", 221 sc->sc_dev.dv_xname); 222 return; 223 } 224 225 if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) { 226 printf("\n%s: can't subregion LANCE space\n", 227 sc->sc_dev.dv_xname); 228 return; 229 } 230 231 if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) { 232 printf("\n%s: can't subregion buffer space\n", 233 sc->sc_dev.dv_xname); 234 return; 235 } 236 237 lesc->sc_bst = bst; 238 lesc->sc_bsh0 = bsh0; 239 lesc->sc_bsh1 = bsh1; 240 lesc->sc_bsh2 = bsh2; 241 242 bus_space_write_1(bst, bsh0, LER0_ID, 0xff); 243 DELAY(100); 244 245 ipl = DIO_IPL((caddr_t)bsh0); /* XXX */ 246 printf(" ipl %d", ipl); 247 248 sc->sc_conf3 = LE_C3_BSWP; 249 sc->sc_addr = 0; 250 sc->sc_memsize = LE_BUFSIZE; 251 252 /* 253 * Read the ethernet address off the board, one nibble at a time. 254 */ 255 offset = lestd[3]; 256 for (i = 0; i < sizeof(sc->sc_enaddr); i++) { 257 sc->sc_enaddr[i] = 258 (bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4; 259 offset++; 260 sc->sc_enaddr[i] |= 261 (bus_space_read_1(bst, bsh0, ++offset) & 0xf); 262 offset++; 263 } 264 265 sc->sc_copytodesc = le_copytobuf; 266 sc->sc_copyfromdesc = le_copyfrombuf; 267 sc->sc_copytobuf = le_copytobuf; 268 sc->sc_copyfrombuf = le_copyfrombuf; 269 sc->sc_zerobuf = le_zerobuf; 270 271 sc->sc_rdcsr = lerdcsr; 272 sc->sc_wrcsr = lewrcsr; 273 sc->sc_hwinit = NULL; 274 275 am7990_config(&lesc->sc_am7990); 276 277 /* Establish the interrupt handler. */ 278 (void) dio_intr_establish(leintr, sc, ipl, IPL_NET); 279 bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE); 280 } 281 282 int 283 leintr(arg) 284 void *arg; 285 { 286 struct lance_softc *sc = arg; 287 #ifdef USELEDS 288 u_int16_t isr; 289 290 isr = lerdcsr(sc, LE_CSR0); 291 292 if ((isr & LE_C0_INTR) == 0) 293 return (0); 294 295 if (isr & LE_C0_RINT) 296 ledcontrol(0, 0, LED_LANRCV); 297 298 if (isr & LE_C0_TINT) 299 ledcontrol(0, 0, LED_LANXMT); 300 #endif /* USELEDS */ 301 302 return (am7990_intr(sc)); 303 } 304 305 hide void 306 le_copytobuf(sc, from, boff, len) 307 struct lance_softc *sc; 308 void *from; 309 int boff, len; 310 { 311 struct le_softc *lesc = (struct le_softc *)sc; 312 313 bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len); 314 } 315 316 hide void 317 le_copyfrombuf(sc, to, boff, len) 318 struct lance_softc *sc; 319 void *to; 320 int boff, len; 321 { 322 struct le_softc *lesc = (struct le_softc *)sc; 323 324 bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len); 325 } 326 327 hide void 328 le_zerobuf(sc, boff, len) 329 struct lance_softc *sc; 330 int boff, len; 331 { 332 struct le_softc *lesc = (struct le_softc *)sc; 333 334 bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len); 335 } 336