if_le_vsbus.c revision 1.23
1 /* $NetBSD: if_le_vsbus.c,v 1.23 2008/04/04 12:25:07 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. 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 1.23 2008/04/04 12:25:07 tsutsui 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 uint16_t *sc_rap; 114 volatile uint16_t *sc_rdp; 115 }; 116 117 static int le_vsbus_match(device_t, cfdata_t, void *); 118 static void le_vsbus_attach(device_t, device_t, void *); 119 static void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 120 static uint16_t lerdcsr(struct lance_softc *, uint16_t); 121 122 CFATTACH_DECL_NEW(le_vsbus, sizeof(struct le_softc), 123 le_vsbus_match, le_vsbus_attach, NULL, NULL); 124 125 void 126 lewrcsr(struct lance_softc *ls, uint16_t port, uint16_t val) 127 { 128 struct le_softc * const sc = (void *)ls; 129 130 *sc->sc_rap = port; 131 *sc->sc_rdp = val; 132 } 133 134 uint16_t 135 lerdcsr(struct lance_softc *ls, uint16_t port) 136 { 137 struct le_softc * const sc = (void *)ls; 138 139 *sc->sc_rap = port; 140 return *sc->sc_rdp; 141 } 142 143 static int 144 le_vsbus_match(device_t parent, cfdata_t cf, void *aux) 145 { 146 struct vsbus_attach_args * const va = aux; 147 volatile uint16_t *rdp, *rap; 148 struct leinit initblock; 149 bus_dmamap_t map; 150 int i; 151 int rv = 0; 152 int error; 153 154 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) 155 return 0; 156 157 error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1, 158 sizeof(initblock), 0, BUS_DMA_NOWAIT, &map); 159 if (error) { 160 return 0; 161 } 162 163 error = bus_dmamap_load(va->va_dmat, map, &initblock, 164 sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 165 if (error) { 166 bus_dmamap_destroy(va->va_dmat, map); 167 return 0; 168 } 169 170 memset(&initblock, 0, sizeof(initblock)); 171 172 rdp = (uint16_t *)va->va_addr; 173 rap = rdp + 2; 174 175 /* Make sure the chip is stopped. */ 176 *rap = LE_CSR0; 177 *rdp = LE_C0_STOP; 178 DELAY(100); 179 *rap = LE_CSR1; 180 *rdp = map->dm_segs->ds_addr & 0xffff; 181 *rap = LE_CSR2; 182 *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff; 183 *rap = LE_CSR0; 184 *rdp = LE_C0_INIT|LE_C0_INEA; 185 186 /* Wait for initialization to finish. */ 187 for (i = 100; i >= 0; i--) { 188 DELAY(1000); 189 /* Should have interrupted by now */ 190 if (*rdp & LE_C0_IDON) 191 rv = 1; 192 } 193 *rap = LE_CSR0; 194 *rdp = LE_C0_STOP; 195 196 bus_dmamap_unload(va->va_dmat, map); 197 bus_dmamap_destroy(va->va_dmat, map); 198 return rv; 199 } 200 201 static void 202 le_vsbus_attach(device_t parent, device_t self, void *aux) 203 { 204 struct vsbus_attach_args * const va = aux; 205 struct le_softc * const sc = device_private(self); 206 bus_dma_segment_t seg; 207 int *lance_addr; 208 int i, err, rseg; 209 210 sc->sc_am7990.lsc.sc_dev = self; 211 sc->sc_rdp = (uint16_t *) vax_map_physmem(NI_BASE, 1); 212 sc->sc_rap = sc->sc_rdp + 2; 213 214 /* 215 * MD functions. 216 */ 217 sc->sc_am7990.lsc.sc_rdcsr = lerdcsr; 218 sc->sc_am7990.lsc.sc_wrcsr = lewrcsr; 219 sc->sc_am7990.lsc.sc_nocarrier = NULL; 220 221 scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, 222 SCB_ISTACK, &sc->sc_intrcnt); 223 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 224 device_xname(self), "intr"); 225 226 /* 227 * Allocate a (DMA-safe) block for all descriptors and buffers. 228 */ 229 230 #define ALLOCSIZ (64 * 1024) 231 err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0, 232 &seg, 1, &rseg, BUS_DMA_NOWAIT); 233 if (err) { 234 aprint_error(": unable to alloc buffer block: err %d\n", err); 235 return; 236 } 237 err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ, 238 (void **)&sc->sc_am7990.lsc.sc_mem, 239 BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 240 if (err) { 241 aprint_error(": unable to map buffer block: err %d\n", err); 242 bus_dmamem_free(va->va_dmat, &seg, rseg); 243 return; 244 } 245 bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ, 246 0, BUS_DMA_NOWAIT, &sc->sc_dm); 247 if (err) { 248 aprint_error(": unable to create DMA map: err %d\n", err); 249 bus_dmamem_free(va->va_dmat, &seg, rseg); 250 return; 251 } 252 err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem, 253 ALLOCSIZ, NULL, BUS_DMA_NOWAIT); 254 if (err) { 255 aprint_error(": unable to load DMA map: err %d\n", err); 256 bus_dmamap_destroy(va->va_dmat, sc->sc_dm); 257 bus_dmamem_free(va->va_dmat, &seg, rseg); 258 return; 259 } 260 aprint_normal(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr, 261 sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1); 262 sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff; 263 sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len; 264 265 sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig; 266 sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig; 267 sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig; 268 sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig; 269 sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig; 270 271 #ifdef LEDEBUG 272 sc->sc_am7990.lsc.sc_debug = 1; 273 #endif 274 /* 275 * Get the ethernet address out of rom 276 */ 277 lance_addr = (int *)vax_map_physmem(NI_ADDR, 1); 278 for (i = 0; i < ETHER_ADDR_LEN; i++) 279 sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i]; 280 vax_unmap_physmem((vaddr_t)lance_addr, 1); 281 282 bcopy(device_xname(self), sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname, 283 IFNAMSIZ); 284 285 /* Prettier printout */ 286 aprint_normal("\n%s", device_xname(self)); 287 288 am7990_config(&sc->sc_am7990); 289 } 290
Indexes created Wed Oct 15 16:09:53 GMT 2025