if_le.c revision 1.55
1 /* $NetBSD: if_le.c,v 1.55 2003/11/17 14:37:59 tsutsui 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. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 71 */ 72 73 #include <sys/cdefs.h> 74 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.55 2003/11/17 14:37:59 tsutsui Exp $"); 75 76 #include "opt_inet.h" 77 #include "bpfilter.h" 78 79 #include <sys/param.h> 80 #include <sys/systm.h> 81 #include <sys/device.h> 82 83 #include <net/if.h> 84 #include <net/if_ether.h> 85 #include <net/if_media.h> 86 87 #include <dev/ic/lancereg.h> 88 #include <dev/ic/lancevar.h> 89 #include <dev/ic/am7990var.h> 90 91 #include <hp300/dev/diovar.h> 92 #include <hp300/dev/diodevs.h> 93 #include <hp300/dev/if_lereg.h> 94 95 #include "opt_useleds.h" 96 97 #ifdef USELEDS 98 #include <hp300/hp300/leds.h> 99 #endif 100 101 struct le_softc { 102 struct am7990_softc sc_am7990; /* glue to MI code */ 103 104 bus_space_tag_t sc_bst; 105 106 bus_space_handle_t sc_bsh0; /* DIO registers */ 107 bus_space_handle_t sc_bsh1; /* LANCE registers */ 108 bus_space_handle_t sc_bsh2; /* buffer area */ 109 }; 110 111 int lematch(struct device *, struct cfdata *, void *); 112 void leattach(struct device *, struct device *, void *); 113 114 CFATTACH_DECL(le, sizeof(struct le_softc), 115 lematch, leattach, NULL, NULL); 116 117 int leintr(void *); 118 119 #if defined(_KERNEL_OPT) 120 #include "opt_ddb.h" 121 #endif 122 123 #ifdef DDB 124 #define integrate 125 #define hide 126 #else 127 #define integrate static __inline 128 #define hide static 129 #endif 130 131 hide void le_copytobuf(struct lance_softc *, void *, int, int); 132 hide void le_copyfrombuf(struct lance_softc *, void *, int, int); 133 hide void le_zerobuf(struct lance_softc *, int, int); 134 135 /* offsets for: ID, REGS, MEM, NVRAM */ 136 int lestd[] = { 0, 0x4000, 0x8000, 0xC008 }; 137 138 hide void lewrcsr(struct lance_softc *, u_int16_t, u_int16_t); 139 hide u_int16_t lerdcsr(struct lance_softc *, u_int16_t); 140 141 hide void 142 lewrcsr(struct lance_softc *sc, u_int16_t port, u_int16_t val) 143 { 144 struct le_softc *lesc = (struct le_softc *)sc; 145 bus_space_tag_t bst = lesc->sc_bst; 146 bus_space_handle_t bsh0 = lesc->sc_bsh0; 147 bus_space_handle_t bsh1 = lesc->sc_bsh1; 148 149 do { 150 bus_space_write_2(bst, bsh1, LER1_RAP, port); 151 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 152 do { 153 bus_space_write_2(bst, bsh1, LER1_RDP, val); 154 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 155 } 156 157 hide u_int16_t 158 lerdcsr(struct lance_softc *sc, u_int16_t port) 159 { 160 struct le_softc *lesc = (struct le_softc *)sc; 161 bus_space_tag_t bst = lesc->sc_bst; 162 bus_space_handle_t bsh0 = lesc->sc_bsh0; 163 bus_space_handle_t bsh1 = lesc->sc_bsh1; 164 u_int16_t val; 165 166 do { 167 bus_space_write_2(bst, bsh1, LER1_RAP, port); 168 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 169 do { 170 val = bus_space_read_2(bst, bsh1, LER1_RDP); 171 } while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0); 172 173 return (val); 174 } 175 176 int 177 lematch(struct device *parent, struct cfdata *match, void *aux) 178 { 179 struct dio_attach_args *da = aux; 180 181 if (da->da_id == DIO_DEVICE_ID_LAN) 182 return (1); 183 return (0); 184 } 185 186 /* 187 * Interface exists: make available by filling in network interface 188 * record. System will initialize the interface when it is ready 189 * to accept packets. 190 */ 191 void 192 leattach(struct device *parent, struct device *self, void *aux) 193 { 194 struct dio_attach_args *da = aux; 195 struct le_softc *lesc = (struct le_softc *)self; 196 struct lance_softc *sc = &lesc->sc_am7990.lsc; 197 bus_space_tag_t bst = da->da_bst; 198 bus_space_handle_t bsh0, bsh1, bsh2; 199 bus_size_t offset; 200 int i; 201 202 if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode), 203 da->da_size, 0, &bsh0)) { 204 printf("\n%s: can't map LANCE registers\n", 205 sc->sc_dev.dv_xname); 206 return; 207 } 208 209 if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) { 210 printf("\n%s: can't subregion LANCE space\n", 211 sc->sc_dev.dv_xname); 212 return; 213 } 214 215 if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) { 216 printf("\n%s: can't subregion buffer space\n", 217 sc->sc_dev.dv_xname); 218 return; 219 } 220 221 lesc->sc_bst = bst; 222 lesc->sc_bsh0 = bsh0; 223 lesc->sc_bsh1 = bsh1; 224 lesc->sc_bsh2 = bsh2; 225 226 bus_space_write_1(bst, bsh0, LER0_ID, 0xff); 227 DELAY(100); 228 229 sc->sc_conf3 = LE_C3_BSWP; 230 sc->sc_addr = 0; 231 sc->sc_memsize = LE_BUFSIZE; 232 233 /* 234 * Read the ethernet address off the board, one nibble at a time. 235 */ 236 offset = lestd[3]; 237 for (i = 0; i < sizeof(sc->sc_enaddr); i++) { 238 sc->sc_enaddr[i] = 239 (bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4; 240 offset++; 241 sc->sc_enaddr[i] |= 242 (bus_space_read_1(bst, bsh0, ++offset) & 0xf); 243 offset++; 244 } 245 246 sc->sc_copytodesc = le_copytobuf; 247 sc->sc_copyfromdesc = le_copyfrombuf; 248 sc->sc_copytobuf = le_copytobuf; 249 sc->sc_copyfrombuf = le_copyfrombuf; 250 sc->sc_zerobuf = le_zerobuf; 251 252 sc->sc_rdcsr = lerdcsr; 253 sc->sc_wrcsr = lewrcsr; 254 sc->sc_hwinit = NULL; 255 256 am7990_config(&lesc->sc_am7990); 257 258 /* Establish the interrupt handler. */ 259 (void) dio_intr_establish(leintr, sc, da->da_ipl, IPL_NET); 260 bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE); 261 } 262 263 int 264 leintr(void *arg) 265 { 266 struct lance_softc *sc = arg; 267 #ifdef USELEDS 268 u_int16_t isr; 269 270 isr = lerdcsr(sc, LE_CSR0); 271 272 if ((isr & LE_C0_INTR) == 0) 273 return (0); 274 275 if (isr & LE_C0_RINT) 276 ledcontrol(0, 0, LED_LANRCV); 277 278 if (isr & LE_C0_TINT) 279 ledcontrol(0, 0, LED_LANXMT); 280 #endif /* USELEDS */ 281 282 return (am7990_intr(sc)); 283 } 284 285 hide void 286 le_copytobuf(struct lance_softc *sc, void *from, int boff, int len) 287 { 288 struct le_softc *lesc = (struct le_softc *)sc; 289 290 bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len); 291 } 292 293 hide void 294 le_copyfrombuf(struct lance_softc *sc, void *to, int boff, int len) 295 { 296 struct le_softc *lesc = (struct le_softc *)sc; 297 298 bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len); 299 } 300 301 hide void 302 le_zerobuf(struct lance_softc *sc, int boff, int len) 303 { 304 struct le_softc *lesc = (struct le_softc *)sc; 305 306 bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len); 307 } 308
Indexes created Wed Sep 24 05:09:52 GMT 2025