if_le_vsbus.c revision 1.18
1 /* $NetBSD: if_le_vsbus.c,v 1.18 2003/07/15 02:15:01 lukem 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. 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_vsbus.c,v 1.18 2003/07/15 02:15:01 lukem Exp $"); 79 80 #include "opt_inet.h" 81 #include "bpfilter.h" 82 83 #include <sys/param.h> 84 #include <sys/syslog.h> 85 #include <sys/socket.h> 86 #include <sys/device.h> 87 #include <sys/reboot.h> 88 89 #include <uvm/uvm_extern.h> 90 91 #include <net/if.h> 92 #include <net/if_ether.h> 93 #include <net/if_media.h> 94 95 #ifdef INET 96 #include <netinet/in.h> 97 #include <netinet/if_inarp.h> 98 #endif 99 100 #include <machine/cpu.h> 101 #include <machine/sid.h> 102 #include <machine/scb.h> 103 #include <machine/bus.h> 104 #include <machine/vsbus.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 #include "ioconf.h" 112 113 struct le_softc { 114 struct am7990_softc sc_am7990; /* Must be first */ 115 struct evcnt sc_intrcnt; 116 bus_dmamap_t sc_dm; 117 volatile u_short *sc_rap; 118 volatile u_short *sc_rdp; 119 }; 120 121 static int le_vsbus_match __P((struct device *, struct cfdata *, void *)); 122 static void le_vsbus_attach __P((struct device *, struct device *, void *)); 123 static void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 124 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 125 126 CFATTACH_DECL(le_vsbus, sizeof(struct le_softc), 127 le_vsbus_match, le_vsbus_attach, NULL, NULL); 128 129 static void 130 lewrcsr(ls, port, val) 131 struct lance_softc *ls; 132 u_int16_t port, val; 133 { 134 struct le_softc *sc = (void *)ls; 135 136 *sc->sc_rap = port; 137 *sc->sc_rdp = val; 138 } 139 140 static u_int16_t 141 lerdcsr(ls, port) 142 struct lance_softc *ls; 143 u_int16_t port; 144 { 145 struct le_softc *sc = (void *)ls; 146 147 *sc->sc_rap = port; 148 return *sc->sc_rdp; 149 } 150 151 static int 152 le_vsbus_match(parent, cf, aux) 153 struct device *parent; 154 struct cfdata *cf; 155 void *aux; 156 { 157 struct vsbus_attach_args *va = aux; 158 volatile short *rdp, *rap; 159 struct leinit initblock; 160 bus_dmamap_t map; 161 int i; 162 int rv = 0; 163 int error; 164 165 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) 166 return 0; 167 168 error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1, 169 sizeof(initblock), 0, BUS_DMA_NOWAIT, &map); 170 if (error) { 171 return 0; 172 } 173 174 error = bus_dmamap_load(va->va_dmat, map, &initblock, 175 sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 176 if (error) { 177 bus_dmamap_destroy(va->va_dmat, map); 178 return 0; 179 } 180 181 memset(&initblock, 0, sizeof(initblock)); 182 183 rdp = (short *)va->va_addr; 184 rap = rdp + 2; 185 186 /* Make sure the chip is stopped. */ 187 *rap = LE_CSR0; 188 *rdp = LE_C0_STOP; 189 DELAY(100); 190 *rap = LE_CSR1; 191 *rdp = map->dm_segs->ds_addr & 0xffff; 192 *rap = LE_CSR2; 193 *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff; 194 *rap = LE_CSR0; 195 *rdp = LE_C0_INIT|LE_C0_INEA; 196 197 /* Wait for initialization to finish. */ 198 for (i = 100; i >= 0; i--) { 199 DELAY(1000); 200 /* Should have interrupted by now */ 201 if (*rdp & LE_C0_IDON) 202 rv = 1; 203 } 204 *rap = LE_CSR0; 205 *rdp = LE_C0_STOP; 206 207 bus_dmamap_unload(va->va_dmat, map); 208 bus_dmamap_destroy(va->va_dmat, map); 209 return rv; 210 } 211 212 static void 213 le_vsbus_attach(parent, self, aux) 214 struct device *parent, *self; 215 void *aux; 216 { 217 struct vsbus_attach_args *va = aux; 218 struct le_softc *sc = (void *)self; 219 bus_dma_segment_t seg; 220 int *lance_addr; 221 int i, err, rseg; 222 223 sc->sc_rdp = (short *)vax_map_physmem(NI_BASE, 1); 224 sc->sc_rap = sc->sc_rdp + 2; 225 226 /* 227 * MD functions. 228 */ 229 sc->sc_am7990.lsc.sc_rdcsr = lerdcsr; 230 sc->sc_am7990.lsc.sc_wrcsr = lewrcsr; 231 sc->sc_am7990.lsc.sc_nocarrier = NULL; 232 233 scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, 234 SCB_ISTACK, &sc->sc_intrcnt); 235 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 236 self->dv_xname, "intr"); 237 238 /* 239 * Allocate a (DMA-safe) block for all descriptors and buffers. 240 */ 241 242 #define ALLOCSIZ (64 * 1024) 243 err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0, 244 &seg, 1, &rseg, BUS_DMA_NOWAIT); 245 if (err) { 246 printf(": unable to alloc buffer block: err %d\n", err); 247 return; 248 } 249 err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ, 250 (caddr_t *)&sc->sc_am7990.lsc.sc_mem, 251 BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 252 if (err) { 253 printf(": unable to map buffer block: err %d\n", err); 254 bus_dmamem_free(va->va_dmat, &seg, rseg); 255 return; 256 } 257 err = bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ, 258 0, BUS_DMA_NOWAIT, &sc->sc_dm); 259 if (err) { 260 printf(": unable to create DMA map: err %d\n", err); 261 bus_dmamem_free(va->va_dmat, &seg, rseg); 262 return; 263 } 264 err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem, 265 ALLOCSIZ, NULL, BUS_DMA_NOWAIT); 266 if (err) { 267 printf(": unable to load DMA map: err %d\n", err); 268 bus_dmamap_destroy(va->va_dmat, sc->sc_dm); 269 bus_dmamem_free(va->va_dmat, &seg, rseg); 270 return; 271 } 272 printf(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr, 273 sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1); 274 sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff; 275 sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len; 276 277 sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig; 278 sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig; 279 sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig; 280 sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig; 281 sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig; 282 283 #ifdef LEDEBUG 284 sc->sc_am7990.lsc.sc_debug = 1; 285 #endif 286 /* 287 * Get the ethernet address out of rom 288 */ 289 lance_addr = (int *)vax_map_physmem(NI_ADDR, 1); 290 for (i = 0; i < 6; i++) 291 sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i]; 292 vax_unmap_physmem((vaddr_t)lance_addr, 1); 293 294 bcopy(self->dv_xname, sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname, 295 IFNAMSIZ); 296 /* Prettier printout */ 297 printf("\n%s", self->dv_xname); 298 299 am7990_config(&sc->sc_am7990); 300 } 301
Indexes created Wed Oct 15 16:09:53 GMT 2025