if_le_obio.c revision 1.4
1 /* $NetBSD: if_le_obio.c,v 1.4 1998/08/15 10:51:16 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 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 of the Numerical Aerospace 9 * Simulation Facility, NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /*- 41 * Copyright (c) 1996 42 * The President and Fellows of Harvard College. All rights reserved. 43 * Copyright (c) 1992, 1993 44 * The Regents of the University of California. All rights reserved. 45 * 46 * This code is derived from software contributed to Berkeley by 47 * Ralph Campbell and Rick Macklem. 48 * 49 * Redistribution and use in source and binary forms, with or without 50 * modification, are permitted provided that the following conditions 51 * are met: 52 * 1. Redistributions of source code must retain the above copyright 53 * notice, this list of conditions and the following disclaimer. 54 * 2. Redistributions in binary form must reproduce the above copyright 55 * notice, this list of conditions and the following disclaimer in the 56 * documentation and/or other materials provided with the distribution. 57 * 3. All advertising materials mentioning features or use of this software 58 * must display the following acknowledgement: 59 * This product includes software developed by Aaron Brown and 60 * Harvard University. 61 * This product includes software developed by the University of 62 * California, Berkeley and its contributors. 63 * 4. Neither the name of the University nor the names of its contributors 64 * may be used to endorse or promote products derived from this software 65 * without specific prior written permission. 66 * 67 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 68 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 69 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 70 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 71 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 72 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 73 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 74 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 75 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 76 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 77 * SUCH DAMAGE. 78 * 79 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 80 */ 81 82 #include "opt_inet.h" 83 #include "bpfilter.h" 84 85 #include <sys/param.h> 86 #include <sys/systm.h> 87 #include <sys/mbuf.h> 88 #include <sys/syslog.h> 89 #include <sys/socket.h> 90 #include <sys/device.h> 91 #include <sys/malloc.h> 92 93 #include <net/if.h> 94 #include <net/if_ether.h> 95 #include <net/if_media.h> 96 97 #ifdef INET 98 #include <netinet/in.h> 99 #include <netinet/if_inarp.h> 100 #endif 101 102 #include <machine/autoconf.h> 103 #include <machine/cpu.h> 104 105 #include <dev/ic/lancereg.h> 106 #include <dev/ic/lancevar.h> 107 #include <dev/ic/am7990reg.h> 108 #include <dev/ic/am7990var.h> 109 110 /* 111 * LANCE registers. 112 */ 113 struct lereg1 { 114 volatile u_int16_t ler1_rdp; /* data port */ 115 volatile u_int16_t ler1_rap; /* register select port */ 116 }; 117 118 struct le_softc { 119 struct am7990_softc sc_am7990; /* glue to MI code */ 120 bus_space_tag_t sc_bustag; 121 bus_dma_tag_t sc_dmatag; 122 struct lereg1 *sc_r1; /* LANCE registers */ 123 }; 124 125 #define MEMSIZE 0x4000 /* LANCE memory size */ 126 127 int lematch_obio __P((struct device *, struct cfdata *, void *)); 128 void leattach_obio __P((struct device *, struct device *, void *)); 129 130 /* 131 * Media types supported. 132 */ 133 static int lemedia[] = { 134 IFM_ETHER|IFM_10_T, 135 }; 136 #define NLEMEDIA (sizeof(lemedia) / sizeof(lemedia[0])) 137 138 struct cfattach le_obio_ca = { 139 sizeof(struct le_softc), lematch_obio, leattach_obio 140 }; 141 142 extern struct cfdriver le_cd; 143 144 #if defined(_KERNEL) && !defined(_LKM) 145 #include "opt_ddb.h" 146 #endif 147 148 #ifdef DDB 149 #define integrate 150 #define hide 151 #else 152 #define integrate static __inline 153 #define hide static 154 #endif 155 156 static void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 157 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 158 159 static void 160 lewrcsr(sc, port, val) 161 struct lance_softc *sc; 162 u_int16_t port, val; 163 { 164 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 165 166 ler1->ler1_rap = port; 167 ler1->ler1_rdp = val; 168 } 169 170 static u_int16_t 171 lerdcsr(sc, port) 172 struct lance_softc *sc; 173 u_int16_t port; 174 { 175 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 176 u_int16_t val; 177 178 ler1->ler1_rap = port; 179 val = ler1->ler1_rdp; 180 return (val); 181 } 182 183 int 184 lematch_obio(parent, cf, aux) 185 struct device *parent; 186 struct cfdata *cf; 187 void *aux; 188 { 189 union obio_attach_args *uoba = aux; 190 struct obio4_attach_args *oba; 191 192 if (uoba->uoba_isobio4 == 0) 193 return (0); 194 195 oba = &uoba->uoba_oba4; 196 return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr, 197 2, /* probe size */ 198 0, /* offset */ 199 0, /* flags */ 200 NULL, NULL)); 201 } 202 203 void 204 leattach_obio(parent, self, aux) 205 struct device *parent, *self; 206 void *aux; 207 { 208 union obio_attach_args *uoba = aux; 209 struct obio4_attach_args *oba = &uoba->uoba_oba4; 210 struct le_softc *lesc = (struct le_softc *)self; 211 struct lance_softc *sc = &lesc->sc_am7990.lsc; 212 bus_space_handle_t bh; 213 bus_dma_segment_t seg; 214 int rseg; 215 /* XXX the following declarations should be elsewhere */ 216 extern void myetheraddr __P((u_char *)); 217 218 lesc->sc_bustag = oba->oba_bustag; 219 lesc->sc_dmatag = oba->oba_dmatag; 220 221 if (obio_bus_map(oba->oba_bustag, oba->oba_paddr, 222 0, sizeof(struct lereg1), 223 0, 0, 224 &bh) != 0) { 225 printf("%s @ obio: cannot map registers\n", self->dv_xname); 226 return; 227 } 228 lesc->sc_r1 = (struct lereg1 *)bh; 229 230 if (oba->oba_bp != NULL && 231 strcmp(oba->oba_bp->name, le_cd.cd_name) == 0 && 232 sc->sc_dev.dv_unit == oba->oba_bp->val[1]) 233 oba->oba_bp->dev = &sc->sc_dev; 234 235 236 if (bus_dmamem_alloc(lesc->sc_dmatag, MEMSIZE, NBPG, 0, 237 &seg, 1, &rseg, 238 BUS_DMA_NOWAIT | BUS_DMA_24BIT) != 0) { 239 printf("%s @ obio: DMA memory allocation error\n", 240 self->dv_xname); 241 return; 242 } 243 if (bus_dmamem_map(lesc->sc_dmatag, &seg, rseg, MEMSIZE, 244 (caddr_t *)&sc->sc_mem, 245 BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) { 246 printf("%s @ obio: DMA memory map error\n", self->dv_xname); 247 bus_dmamem_free(lesc->sc_dmatag, &seg, rseg); 248 return; 249 } 250 sc->sc_addr = seg.ds_addr & 0xffffff; 251 sc->sc_memsize = MEMSIZE; 252 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 253 254 sc->sc_supmedia = lemedia; 255 sc->sc_nsupmedia = NLEMEDIA; 256 sc->sc_defaultmedia = lemedia[0]; 257 258 myetheraddr(sc->sc_enaddr); 259 260 sc->sc_copytodesc = lance_copytobuf_contig; 261 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 262 sc->sc_copytobuf = lance_copytobuf_contig; 263 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 264 sc->sc_zerobuf = lance_zerobuf_contig; 265 266 sc->sc_rdcsr = lerdcsr; 267 sc->sc_wrcsr = lewrcsr; 268 269 am7990_config(&lesc->sc_am7990); 270 271 /* Install interrupt */ 272 (void)bus_intr_establish(lesc->sc_bustag, oba->oba_pri, 0, 273 am7990_intr, sc); 274 } 275
Indexes created Tue Sep 23 14:10:03 GMT 2025