if_le_vsbus.c revision 1.21
1 /* $NetBSD: if_le_vsbus.c,v 1.21 2007/03/04 06:00:56 christos 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. 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_vsbus.c,v 1.21 2007/03/04 06:00:56 christos Exp $"); 75 76 #include "opt_inet.h" 77 #include "bpfilter.h" 78 79 #include <sys/param.h> 80 #include <sys/syslog.h> 81 #include <sys/socket.h> 82 #include <sys/device.h> 83 #include <sys/reboot.h> 84 85 #include <uvm/uvm_extern.h> 86 87 #include <net/if.h> 88 #include <net/if_ether.h> 89 #include <net/if_media.h> 90 91 #ifdef INET 92 #include <netinet/in.h> 93 #include <netinet/if_inarp.h> 94 #endif 95 96 #include <machine/cpu.h> 97 #include <machine/sid.h> 98 #include <machine/scb.h> 99 #include <machine/bus.h> 100 #include <machine/vsbus.h> 101 102 #include <dev/ic/lancereg.h> 103 #include <dev/ic/lancevar.h> 104 #include <dev/ic/am7990reg.h> 105 #include <dev/ic/am7990var.h> 106 107 #include "ioconf.h" 108 109 struct le_softc { 110 struct am7990_softc sc_am7990; /* Must be first */ 111 struct evcnt sc_intrcnt; 112 bus_dmamap_t sc_dm; 113 volatile u_short *sc_rap; 114 volatile u_short *sc_rdp; 115 }; 116 117 static int le_vsbus_match __P((struct device *, struct cfdata *, void *)); 118 static void le_vsbus_attach __P((struct device *, struct device *, void *)); 119 static void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 120 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 121 122 CFATTACH_DECL(le_vsbus, sizeof(struct le_softc), 123 le_vsbus_match, le_vsbus_attach, NULL, NULL); 124 125 static void 126 lewrcsr(ls, port, val) 127 struct lance_softc *ls; 128 u_int16_t port, val; 129 { 130 struct le_softc *sc = (void *)ls; 131 132 *sc->sc_rap = port; 133 *sc->sc_rdp = val; 134 } 135 136 static u_int16_t 137 lerdcsr(ls, port) 138 struct lance_softc *ls; 139 u_int16_t port; 140 { 141 struct le_softc *sc = (void *)ls; 142 143 *sc->sc_rap = port; 144 return *sc->sc_rdp; 145 } 146 147 static int 148 le_vsbus_match(parent, cf, aux) 149 struct device *parent; 150 struct cfdata *cf; 151 void *aux; 152 { 153 struct vsbus_attach_args *va = aux; 154 volatile short *rdp, *rap; 155 struct leinit initblock; 156 bus_dmamap_t map; 157 int i; 158 int rv = 0; 159 int error; 160 161 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) 162 return 0; 163 164 error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1, 165 sizeof(initblock), 0, BUS_DMA_NOWAIT, &map); 166 if (error) { 167 return 0; 168 } 169 170 error = bus_dmamap_load(va->va_dmat, map, &initblock, 171 sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 172 if (error) { 173 bus_dmamap_destroy(va->va_dmat, map); 174 return 0; 175 } 176 177 memset(&initblock, 0, sizeof(initblock)); 178 179 rdp = (short *)va->va_addr; 180 rap = rdp + 2; 181 182 /* Make sure the chip is stopped. */ 183 *rap = LE_CSR0; 184 *rdp = LE_C0_STOP; 185 DELAY(100); 186 *rap = LE_CSR1; 187 *rdp = map->dm_segs->ds_addr & 0xffff; 188 *rap = LE_CSR2; 189 *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff; 190 *rap = LE_CSR0; 191 *rdp = LE_C0_INIT|LE_C0_INEA; 192 193 /* Wait for initialization to finish. */ 194 for (i = 100; i >= 0; i--) { 195 DELAY(1000); 196 /* Should have interrupted by now */ 197 if (*rdp & LE_C0_IDON) 198 rv = 1; 199 } 200 *rap = LE_CSR0; 201 *rdp = LE_C0_STOP; 202 203 bus_dmamap_unload(va->va_dmat, map); 204 bus_dmamap_destroy(va->va_dmat, map); 205 return rv; 206 } 207 208 static void 209 le_vsbus_attach(parent, self, aux) 210 struct device *parent, *self; 211 void *aux; 212 { 213 struct vsbus_attach_args *va = aux; 214 struct le_softc *sc = (void *)self; 215 bus_dma_segment_t seg; 216 int *lance_addr; 217 int i, err, rseg; 218 219 sc->sc_rdp = (short *)vax_map_physmem(NI_BASE, 1); 220 sc->sc_rap = sc->sc_rdp + 2; 221 222 /* 223 * MD functions. 224 */ 225 sc->sc_am7990.lsc.sc_rdcsr = lerdcsr; 226 sc->sc_am7990.lsc.sc_wrcsr = lewrcsr; 227 sc->sc_am7990.lsc.sc_nocarrier = NULL; 228 229 scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, 230 SCB_ISTACK, &sc->sc_intrcnt); 231 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 232 self->dv_xname, "intr"); 233 234 /* 235 * Allocate a (DMA-safe) block for all descriptors and buffers. 236 */ 237 238 #define ALLOCSIZ (64 * 1024) 239 err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0, 240 &seg, 1, &rseg, BUS_DMA_NOWAIT); 241 if (err) { 242 printf(": unable to alloc buffer block: err %d\n", err); 243 return; 244 } 245 err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ, 246 (void **)&sc->sc_am7990.lsc.sc_mem, 247 BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 248 if (err) { 249 printf(": unable to map buffer block: err %d\n", err); 250 bus_dmamem_free(va->va_dmat, &seg, rseg); 251 return; 252 } 253 err = bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ, 254 0, BUS_DMA_NOWAIT, &sc->sc_dm); 255 if (err) { 256 printf(": unable to create DMA map: err %d\n", err); 257 bus_dmamem_free(va->va_dmat, &seg, rseg); 258 return; 259 } 260 err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem, 261 ALLOCSIZ, NULL, BUS_DMA_NOWAIT); 262 if (err) { 263 printf(": unable to load DMA map: err %d\n", err); 264 bus_dmamap_destroy(va->va_dmat, sc->sc_dm); 265 bus_dmamem_free(va->va_dmat, &seg, rseg); 266 return; 267 } 268 printf(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr, 269 sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1); 270 sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff; 271 sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len; 272 273 sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig; 274 sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig; 275 sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig; 276 sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig; 277 sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig; 278 279 #ifdef LEDEBUG 280 sc->sc_am7990.lsc.sc_debug = 1; 281 #endif 282 /* 283 * Get the ethernet address out of rom 284 */ 285 lance_addr = (int *)vax_map_physmem(NI_ADDR, 1); 286 for (i = 0; i < 6; i++) 287 sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i]; 288 vax_unmap_physmem((vaddr_t)lance_addr, 1); 289 290 bcopy(self->dv_xname, sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname, 291 IFNAMSIZ); 292 /* Prettier printout */ 293 printf("\n%s", self->dv_xname); 294 295 am7990_config(&sc->sc_am7990); 296 } 297
Indexes created Sun Oct 19 21:10:07 GMT 2025