if_le_vsbus.c revision 1.27
1 /* $NetBSD: if_le_vsbus.c,v 1.27 2010/01/19 22:06:23 pooka 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /*- 33 * Copyright (c) 1992, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This code is derived from software contributed to Berkeley by 37 * Ralph Campbell and Rick Macklem. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. Neither the name of the University nor the names of its contributors 48 * may be used to endorse or promote products derived from this software 49 * without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 * 63 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 64 */ 65 66 #include <sys/cdefs.h> 67 __KERNEL_RCSID(0, "$NetBSD: if_le_vsbus.c,v 1.27 2010/01/19 22:06:23 pooka Exp $"); 68 69 #include "opt_inet.h" 70 71 #include <sys/param.h> 72 #include <sys/syslog.h> 73 #include <sys/socket.h> 74 #include <sys/device.h> 75 #include <sys/reboot.h> 76 77 #include <uvm/uvm_extern.h> 78 79 #include <net/if.h> 80 #include <net/if_ether.h> 81 #include <net/if_media.h> 82 83 #ifdef INET 84 #include <netinet/in.h> 85 #include <netinet/if_inarp.h> 86 #endif 87 88 #include <machine/cpu.h> 89 #include <machine/sid.h> 90 #include <machine/scb.h> 91 #include <machine/bus.h> 92 #include <machine/vsbus.h> 93 94 #include <dev/ic/lancereg.h> 95 #include <dev/ic/lancevar.h> 96 #include <dev/ic/am7990reg.h> 97 #include <dev/ic/am7990var.h> 98 99 #include "ioconf.h" 100 101 struct le_softc { 102 struct am7990_softc sc_am7990; /* Must be first */ 103 struct evcnt sc_intrcnt; 104 bus_dmamap_t sc_dm; 105 volatile uint16_t *sc_rap; 106 volatile uint16_t *sc_rdp; 107 }; 108 109 static int le_vsbus_match(device_t, cfdata_t, void *); 110 static void le_vsbus_attach(device_t, device_t, void *); 111 static void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 112 static uint16_t lerdcsr(struct lance_softc *, uint16_t); 113 114 CFATTACH_DECL_NEW(le_vsbus, sizeof(struct le_softc), 115 le_vsbus_match, le_vsbus_attach, NULL, NULL); 116 117 void 118 lewrcsr(struct lance_softc *ls, uint16_t port, uint16_t val) 119 { 120 struct le_softc * const sc = (void *)ls; 121 122 *sc->sc_rap = port; 123 *sc->sc_rdp = val; 124 } 125 126 uint16_t 127 lerdcsr(struct lance_softc *ls, uint16_t port) 128 { 129 struct le_softc * const sc = (void *)ls; 130 131 *sc->sc_rap = port; 132 return *sc->sc_rdp; 133 } 134 135 static int 136 le_vsbus_match(device_t parent, cfdata_t cf, void *aux) 137 { 138 struct vsbus_attach_args * const va = aux; 139 volatile uint16_t *rdp, *rap; 140 struct leinit initblock; 141 bus_dmamap_t map; 142 int i; 143 int rv = 0; 144 int error; 145 146 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) 147 return 0; 148 149 error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1, 150 sizeof(initblock), 0, BUS_DMA_NOWAIT, &map); 151 if (error) { 152 return 0; 153 } 154 155 error = bus_dmamap_load(va->va_dmat, map, &initblock, 156 sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 157 if (error) { 158 bus_dmamap_destroy(va->va_dmat, map); 159 return 0; 160 } 161 162 memset(&initblock, 0, sizeof(initblock)); 163 164 rdp = (uint16_t *)va->va_addr; 165 rap = rdp + 2; 166 167 /* Make sure the chip is stopped. */ 168 *rap = LE_CSR0; 169 *rdp = LE_C0_STOP; 170 DELAY(100); 171 *rap = LE_CSR1; 172 *rdp = map->dm_segs->ds_addr & 0xffff; 173 *rap = LE_CSR2; 174 *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff; 175 *rap = LE_CSR0; 176 *rdp = LE_C0_INIT|LE_C0_INEA; 177 178 /* Wait for initialization to finish. */ 179 for (i = 100; i >= 0; i--) { 180 DELAY(1000); 181 /* Should have interrupted by now */ 182 if (*rdp & LE_C0_IDON) 183 rv = 1; 184 } 185 *rap = LE_CSR0; 186 *rdp = LE_C0_STOP; 187 188 bus_dmamap_unload(va->va_dmat, map); 189 bus_dmamap_destroy(va->va_dmat, map); 190 return rv; 191 } 192 193 static void 194 le_vsbus_attach(device_t parent, device_t self, void *aux) 195 { 196 struct vsbus_attach_args * const va = aux; 197 struct le_softc * const sc = device_private(self); 198 bus_dma_segment_t seg; 199 int *lance_addr; 200 int i, err, rseg; 201 202 sc->sc_am7990.lsc.sc_dev = self; 203 sc->sc_rdp = (uint16_t *) vax_map_physmem(NI_BASE, 1); 204 sc->sc_rap = sc->sc_rdp + 2; 205 206 /* 207 * MD functions. 208 */ 209 sc->sc_am7990.lsc.sc_rdcsr = lerdcsr; 210 sc->sc_am7990.lsc.sc_wrcsr = lewrcsr; 211 sc->sc_am7990.lsc.sc_nocarrier = NULL; 212 213 scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, 214 SCB_ISTACK, &sc->sc_intrcnt); 215 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 216 device_xname(self), "intr"); 217 218 /* 219 * Allocate a (DMA-safe) block for all descriptors and buffers. 220 */ 221 222 #define ALLOCSIZ (64 * 1024) 223 err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0, 224 &seg, 1, &rseg, BUS_DMA_NOWAIT); 225 if (err) { 226 aprint_error(": unable to alloc buffer block: err %d\n", err); 227 return; 228 } 229 err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ, 230 (void **)&sc->sc_am7990.lsc.sc_mem, 231 BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 232 if (err) { 233 aprint_error(": unable to map buffer block: err %d\n", err); 234 bus_dmamem_free(va->va_dmat, &seg, rseg); 235 return; 236 } 237 bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ, 238 0, BUS_DMA_NOWAIT, &sc->sc_dm); 239 if (err) { 240 aprint_error(": unable to create DMA map: err %d\n", err); 241 bus_dmamem_free(va->va_dmat, &seg, rseg); 242 return; 243 } 244 err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem, 245 ALLOCSIZ, NULL, BUS_DMA_NOWAIT); 246 if (err) { 247 aprint_error(": unable to load DMA map: err %d\n", err); 248 bus_dmamap_destroy(va->va_dmat, sc->sc_dm); 249 bus_dmamem_free(va->va_dmat, &seg, rseg); 250 return; 251 } 252 aprint_normal(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr, 253 sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1); 254 sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff; 255 sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len; 256 257 sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig; 258 sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig; 259 sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig; 260 sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig; 261 sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig; 262 263 #ifdef LEDEBUG 264 sc->sc_am7990.lsc.sc_debug = 1; 265 #endif 266 /* 267 * Get the ethernet address out of rom 268 */ 269 lance_addr = (int *)vax_map_physmem(NI_ADDR, 1); 270 for (i = 0; i < ETHER_ADDR_LEN; i++) 271 sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i]; 272 vax_unmap_physmem((vaddr_t)lance_addr, 1); 273 274 memcpy(sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname, device_xname(self), 275 IFNAMSIZ); 276 277 /* Prettier printout */ 278 aprint_normal("\n%s", device_xname(self)); 279 280 am7990_config(&sc->sc_am7990); 281 } 282
Indexes created Sun Oct 19 02:09:48 GMT 2025