if_le_obio.c revision 1.3
1 /* $NetBSD: if_le_obio.c,v 1.3 1998/07/31 22:21:35 pk Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * 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) 1995 Charles M. Hannum. All rights reserved. 44 * Copyright (c) 1992, 1993 45 * The Regents of the University of California. All rights reserved. 46 * 47 * This code is derived from software contributed to Berkeley by 48 * Ralph Campbell and Rick Macklem. 49 * 50 * Redistribution and use in source and binary forms, with or without 51 * modification, are permitted provided that the following conditions 52 * are met: 53 * 1. Redistributions of source code must retain the above copyright 54 * notice, this list of conditions and the following disclaimer. 55 * 2. Redistributions in binary form must reproduce the above copyright 56 * notice, this list of conditions and the following disclaimer in the 57 * documentation and/or other materials provided with the distribution. 58 * 3. All advertising materials mentioning features or use of this software 59 * must display the following acknowledgement: 60 * This product includes software developed by Aaron Brown and 61 * Harvard University. 62 * This product includes software developed by the University of 63 * California, Berkeley and its contributors. 64 * 4. Neither the name of the University nor the names of its contributors 65 * may be used to endorse or promote products derived from this software 66 * without specific prior written permission. 67 * 68 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 69 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 70 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 71 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 72 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 73 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 74 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 75 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 76 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 77 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 78 * SUCH DAMAGE. 79 * 80 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 81 */ 82 83 #include "opt_inet.h" 84 #include "bpfilter.h" 85 86 #include <sys/param.h> 87 #include <sys/systm.h> 88 #include <sys/mbuf.h> 89 #include <sys/syslog.h> 90 #include <sys/socket.h> 91 #include <sys/device.h> 92 #include <sys/malloc.h> 93 94 #include <net/if.h> 95 #include <net/if_ether.h> 96 #include <net/if_media.h> 97 98 #ifdef INET 99 #include <netinet/in.h> 100 #include <netinet/if_inarp.h> 101 #endif 102 103 #include <machine/autoconf.h> 104 #include <machine/cpu.h> 105 106 #include <dev/ic/lancereg.h> 107 #include <dev/ic/lancevar.h> 108 #include <dev/ic/am7990reg.h> 109 #include <dev/ic/am7990var.h> 110 111 /* 112 * LANCE registers. 113 */ 114 struct lereg1 { 115 volatile u_int16_t ler1_rdp; /* data port */ 116 volatile u_int16_t ler1_rap; /* register select port */ 117 }; 118 119 struct le_softc { 120 struct am7990_softc sc_am7990; /* glue to MI code */ 121 bus_space_tag_t sc_bustag; 122 bus_dma_tag_t sc_dmatag; 123 struct lereg1 *sc_r1; /* LANCE registers */ 124 }; 125 126 #define MEMSIZE 0x4000 /* LANCE memory size */ 127 128 int lematch_obio __P((struct device *, struct cfdata *, void *)); 129 void leattach_obio __P((struct device *, struct device *, void *)); 130 131 /* 132 * Media types supported. 133 */ 134 static int lemedia[] = { 135 IFM_ETHER|IFM_10_T, 136 }; 137 #define NLEMEDIA (sizeof(lemedia) / sizeof(lemedia[0])) 138 139 struct cfattach le_obio_ca = { 140 sizeof(struct le_softc), lematch_obio, leattach_obio 141 }; 142 143 extern struct cfdriver le_cd; 144 145 #if defined(_KERNEL) && !defined(_LKM) 146 #include "opt_ddb.h" 147 #endif 148 149 #ifdef DDB 150 #define integrate 151 #define hide 152 #else 153 #define integrate static __inline 154 #define hide static 155 #endif 156 157 static void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 158 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 159 160 static void 161 lewrcsr(sc, port, val) 162 struct lance_softc *sc; 163 u_int16_t port, val; 164 { 165 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 166 167 ler1->ler1_rap = port; 168 ler1->ler1_rdp = val; 169 } 170 171 static u_int16_t 172 lerdcsr(sc, port) 173 struct lance_softc *sc; 174 u_int16_t port; 175 { 176 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 177 u_int16_t val; 178 179 ler1->ler1_rap = port; 180 val = ler1->ler1_rdp; 181 return (val); 182 } 183 184 int 185 lematch_obio(parent, cf, aux) 186 struct device *parent; 187 struct cfdata *cf; 188 void *aux; 189 { 190 union obio_attach_args *uoba = aux; 191 struct obio4_attach_args *oba; 192 193 if (uoba->uoba_isobio4 == 0) 194 return (0); 195 196 oba = &uoba->uoba_oba4; 197 return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr, 198 2, /* probe size */ 199 0, /* offset */ 200 0, /* flags */ 201 NULL, NULL)); 202 } 203 204 void 205 leattach_obio(parent, self, aux) 206 struct device *parent, *self; 207 void *aux; 208 { 209 union obio_attach_args *uoba = aux; 210 struct obio4_attach_args *oba = &uoba->uoba_oba4; 211 struct le_softc *lesc = (struct le_softc *)self; 212 struct lance_softc *sc = &lesc->sc_am7990.lsc; 213 bus_space_handle_t bh; 214 bus_dma_segment_t seg; 215 int rseg; 216 /* XXX the following declarations should be elsewhere */ 217 extern void myetheraddr __P((u_char *)); 218 219 lesc->sc_bustag = oba->oba_bustag; 220 lesc->sc_dmatag = oba->oba_dmatag; 221 222 if (obio_bus_map(oba->oba_bustag, oba->oba_paddr, 223 0, sizeof(struct lereg1), 224 0, 0, 225 &bh) != 0) { 226 printf("%s @ obio: cannot map registers\n", self->dv_xname); 227 return; 228 } 229 lesc->sc_r1 = (struct lereg1 *)bh; 230 231 if (oba->oba_bp != NULL && 232 strcmp(oba->oba_bp->name, le_cd.cd_name) == 0 && 233 sc->sc_dev.dv_unit == oba->oba_bp->val[1]) 234 oba->oba_bp->dev = &sc->sc_dev; 235 236 237 if (bus_dmamem_alloc(lesc->sc_dmatag, MEMSIZE, NBPG, 0, 238 &seg, 1, &rseg, 239 BUS_DMA_NOWAIT | BUS_DMA_24BIT) != 0) { 240 printf("%s @ obio: DMA memory allocation error\n", 241 self->dv_xname); 242 return; 243 } 244 if (bus_dmamem_map(lesc->sc_dmatag, &seg, rseg, MEMSIZE, 245 (caddr_t *)&sc->sc_mem, 246 BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) { 247 printf("%s @ obio: DMA memory map error\n", self->dv_xname); 248 bus_dmamem_free(lesc->sc_dmatag, &seg, rseg); 249 return; 250 } 251 sc->sc_addr = seg.ds_addr & 0xffffff; 252 sc->sc_memsize = MEMSIZE; 253 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 254 255 sc->sc_supmedia = lemedia; 256 sc->sc_nsupmedia = NLEMEDIA; 257 sc->sc_defaultmedia = lemedia[0]; 258 259 myetheraddr(sc->sc_enaddr); 260 261 sc->sc_copytodesc = lance_copytobuf_contig; 262 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 263 sc->sc_copytobuf = lance_copytobuf_contig; 264 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 265 sc->sc_zerobuf = lance_zerobuf_contig; 266 267 sc->sc_rdcsr = lerdcsr; 268 sc->sc_wrcsr = lewrcsr; 269 270 am7990_config(&lesc->sc_am7990); 271 272 /* Install interrupt */ 273 (void)bus_intr_establish(lesc->sc_bustag, oba->oba_pri, 0, 274 am7990_intr, sc); 275 } 276
Indexes created Wed Sep 24 05:09:52 GMT 2025