1 /* $NetBSD: if_le.c,v 1.52 2002/10/20 05:54:29 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 1.52 2002/10/20 05:54:29 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/device.h> 86 87 #include <net/if.h> 88 #include <net/if_ether.h> 89 #include <net/if_media.h> 90 91 #include <dev/ic/lancereg.h> 92 #include <dev/ic/lancevar.h> 93 #include <dev/ic/am7990var.h> 94 95 #include <hp300/dev/dioreg.h> 96 #include <hp300/dev/diovar.h> 97 #include <hp300/dev/diodevs.h> 98 #include <hp300/dev/if_lereg.h> 99 100 #include "opt_useleds.h" 101 102 #ifdef USELEDS 103 #include <hp300/hp300/leds.h> 104 #endif 105 106 struct le_softc { 107 struct am7990_softc sc_am7990; /* glue to MI code */ 108 109 bus_space_tag_t sc_bst; 110 111 bus_space_handle_t sc_bsh0; /* DIO registers */ 112 bus_space_handle_t sc_bsh1; /* LANCE registers */ 113 bus_space_handle_t sc_bsh2; /* buffer area */ 114 }; 115 116 int lematch(struct device *, struct cfdata *, void *); 117 void leattach(struct device *, struct device *, void *); 118 119 CFATTACH_DECL(le, sizeof(struct le_softc), 120 lematch, leattach, NULL, NULL); 121 122 int leintr(void *); 123 124 #if defined(_KERNEL_OPT) 125 #include "opt_ddb.h" 126 #endif 127 128 #ifdef DDB 129 #define integrate 130 #define hide 131 #else 132 #define integrate static __inline 133 #define hide static 134 #endif 135 136 hide void le_copytobuf(struct lance_softc *, void *, int, int); 137 hide void le_copyfrombuf(struct lance_softc *, void *, int, int); 138 hide void le_zerobuf(struct lance_softc *, int, int); 139 140 /* offsets for: ID, REGS, MEM, NVRAM */ 141 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 142 143 hide void lewrcsr(struct lance_softc *, u_int16_t, u_int16_t); 144 hide u_int16_t lerdcsr(struct lance_softc *, u_int16_t); 145 146 hide void 147 lewrcsr(struct lance_softc *sc, u_int16_t port, u_int16_t val) 148 { 149 struct le_softc *lesc = (struct le_softc *)sc; 150 bus_space_tag_t bst = lesc->sc_bst; 151 bus_space_handle_t bsh0 = lesc->sc_bsh0; 152 bus_space_handle_t bsh1 = lesc->sc_bsh1; 153 154 do { 155 bus_space_write_2(bst, bsh1, LER1_RAP, port); 156 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 157 do { 158 bus_space_write_2(bst, bsh1, LER1_RDP, val); 159 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 160 } 161 162 hide u_int16_t 163 lerdcsr(struct lance_softc *sc, u_int16_t port) 164 { 165 struct le_softc *lesc = (struct le_softc *)sc; 166 bus_space_tag_t bst = lesc->sc_bst; 167 bus_space_handle_t bsh0 = lesc->sc_bsh0; 168 bus_space_handle_t bsh1 = lesc->sc_bsh1; 169 u_int16_t val; 170 171 do { 172 bus_space_write_2(bst, bsh1, LER1_RAP, port); 173 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 174 do { 175 val = bus_space_read_2(bst, bsh1, LER1_RDP); 176 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 177 178 return (val); 179 } 180 181 int 182 lematch(struct device *parent, struct cfdata *match, void *aux) 183 { 184 struct dio_attach_args *da = aux; 185 186 if (da->da_id == DIO_DEVICE_ID_LAN) 187 return (1); 188 return (0); 189 } 190 191 /* 192 * Interface exists: make available by filling in network interface 193 * record. System will initialize the interface when it is ready 194 * to accept packets. 195 */ 196 void 197 leattach(struct device *parent, struct device *self, void *aux) 198 { 199 struct dio_attach_args *da = aux; 200 struct le_softc *lesc = (struct le_softc *)self; 201 struct lance_softc *sc = &lesc->sc_am7990.lsc; 202 bus_space_tag_t bst = da->da_bst; 203 bus_space_handle_t bsh0, bsh1, bsh2; 204 bus_size_t offset; 205 int i, ipl; 206 207 if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode), 208 da->da_size, 0, &bsh0)) { 209 printf("\n%s: can't map LANCE registers\n", 210 sc->sc_dev.dv_xname); 211 return; 212 } 213 214 if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) { 215 printf("\n%s: can't subregion LANCE space\n", 216 sc->sc_dev.dv_xname); 217 return; 218 } 219 220 if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) { 221 printf("\n%s: can't subregion buffer space\n", 222 sc->sc_dev.dv_xname); 223 return; 224 } 225 226 lesc->sc_bst = bst; 227 lesc->sc_bsh0 = bsh0; 228 lesc->sc_bsh1 = bsh1; 229 lesc->sc_bsh2 = bsh2; 230 231 bus_space_write_1(bst, bsh0, LER0_ID, 0xff); 232 DELAY(100); 233 234 ipl = DIO_IPL((caddr_t)bsh0); /* XXX */ 235 printf(" ipl %d", ipl); 236 237 sc->sc_conf3 = LE_C3_BSWP; 238 sc->sc_addr = 0; 239 sc->sc_memsize = LE_BUFSIZE; 240 241 /* 242 * Read the ethernet address off the board, one nibble at a time. 243 */ 244 offset = lestd[3]; 245 for (i = 0; i < sizeof(sc->sc_enaddr); i++) { 246 sc->sc_enaddr[i] = 247 (bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4; 248 offset++; 249 sc->sc_enaddr[i] |= 250 (bus_space_read_1(bst, bsh0, ++offset) & 0xf); 251 offset++; 252 } 253 254 sc->sc_copytodesc = le_copytobuf; 255 sc->sc_copyfromdesc = le_copyfrombuf; 256 sc->sc_copytobuf = le_copytobuf; 257 sc->sc_copyfrombuf = le_copyfrombuf; 258 sc->sc_zerobuf = le_zerobuf; 259 260 sc->sc_rdcsr = lerdcsr; 261 sc->sc_wrcsr = lewrcsr; 262 sc->sc_hwinit = NULL; 263 264 am7990_config(&lesc->sc_am7990); 265 266 /* Establish the interrupt handler. */ 267 (void) dio_intr_establish(leintr, sc, ipl, IPL_NET); 268 bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE); 269 } 270 271 int 272 leintr(void *arg) 273 { 274 struct lance_softc *sc = arg; 275 #ifdef USELEDS 276 u_int16_t isr; 277 278 isr = lerdcsr(sc, LE_CSR0); 279 280 if ((isr & LE_C0_INTR) == 0) 281 return (0); 282 283 if (isr & LE_C0_RINT) 284 ledcontrol(0, 0, LED_LANRCV); 285 286 if (isr & LE_C0_TINT) 287 ledcontrol(0, 0, LED_LANXMT); 288 #endif /* USELEDS */ 289 290 return (am7990_intr(sc)); 291 } 292 293 hide void 294 le_copytobuf(struct lance_softc *sc, void *from, int boff, int len) 295 { 296 struct le_softc *lesc = (struct le_softc *)sc; 297 298 bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len); 299 } 300 301 hide void 302 le_copyfrombuf(struct lance_softc *sc, void *to, int boff, int len) 303 { 304 struct le_softc *lesc = (struct le_softc *)sc; 305 306 bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len); 307 } 308 309 hide void 310 le_zerobuf(struct lance_softc *sc, int boff, int len) 311 { 312 struct le_softc *lesc = (struct le_softc *)sc; 313 314 bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len); 315 } 316