1 /* $NetBSD: if_le_vsbus.c,v 1.25 2009/03/18 17:06:47 cegger 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 1.25 2009/03/18 17:06:47 cegger Exp $"); 68 69 #include "opt_inet.h" 70 #include "bpfilter.h" 71 72 #include <sys/param.h> 73 #include <sys/syslog.h> 74 #include <sys/socket.h> 75 #include <sys/device.h> 76 #include <sys/reboot.h> 77 78 #include <uvm/uvm_extern.h> 79 80 #include <net/if.h> 81 #include <net/if_ether.h> 82 #include <net/if_media.h> 83 84 #ifdef INET 85 #include <netinet/in.h> 86 #include <netinet/if_inarp.h> 87 #endif 88 89 #include <machine/cpu.h> 90 #include <machine/sid.h> 91 #include <machine/scb.h> 92 #include <machine/bus.h> 93 #include <machine/vsbus.h> 94 95 #include <dev/ic/lancereg.h> 96 #include <dev/ic/lancevar.h> 97 #include <dev/ic/am7990reg.h> 98 #include <dev/ic/am7990var.h> 99 100 #include "ioconf.h" 101 102 struct le_softc { 103 struct am7990_softc sc_am7990; /* Must be first */ 104 struct evcnt sc_intrcnt; 105 bus_dmamap_t sc_dm; 106 volatile uint16_t *sc_rap; 107 volatile uint16_t *sc_rdp; 108 }; 109 110 static int le_vsbus_match(device_t, cfdata_t, void *); 111 static void le_vsbus_attach(device_t, device_t, void *); 112 static void lewrcsr(struct lance_softc *, uint16_t, uint16_t); 113 static uint16_t lerdcsr(struct lance_softc *, uint16_t); 114 115 CFATTACH_DECL_NEW(le_vsbus, sizeof(struct le_softc), 116 le_vsbus_match, le_vsbus_attach, NULL, NULL); 117 118 void 119 lewrcsr(struct lance_softc *ls, uint16_t port, uint16_t val) 120 { 121 struct le_softc * const sc = (void *)ls; 122 123 *sc->sc_rap = port; 124 *sc->sc_rdp = val; 125 } 126 127 uint16_t 128 lerdcsr(struct lance_softc *ls, uint16_t port) 129 { 130 struct le_softc * const sc = (void *)ls; 131 132 *sc->sc_rap = port; 133 return *sc->sc_rdp; 134 } 135 136 static int 137 le_vsbus_match(device_t parent, cfdata_t cf, void *aux) 138 { 139 struct vsbus_attach_args * const va = aux; 140 volatile uint16_t *rdp, *rap; 141 struct leinit initblock; 142 bus_dmamap_t map; 143 int i; 144 int rv = 0; 145 int error; 146 147 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) 148 return 0; 149 150 error = bus_dmamap_create(va->va_dmat, sizeof(initblock), 1, 151 sizeof(initblock), 0, BUS_DMA_NOWAIT, &map); 152 if (error) { 153 return 0; 154 } 155 156 error = bus_dmamap_load(va->va_dmat, map, &initblock, 157 sizeof(initblock), NULL, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 158 if (error) { 159 bus_dmamap_destroy(va->va_dmat, map); 160 return 0; 161 } 162 163 memset(&initblock, 0, sizeof(initblock)); 164 165 rdp = (uint16_t *)va->va_addr; 166 rap = rdp + 2; 167 168 /* Make sure the chip is stopped. */ 169 *rap = LE_CSR0; 170 *rdp = LE_C0_STOP; 171 DELAY(100); 172 *rap = LE_CSR1; 173 *rdp = map->dm_segs->ds_addr & 0xffff; 174 *rap = LE_CSR2; 175 *rdp = (map->dm_segs->ds_addr >> 16) & 0xffff; 176 *rap = LE_CSR0; 177 *rdp = LE_C0_INIT|LE_C0_INEA; 178 179 /* Wait for initialization to finish. */ 180 for (i = 100; i >= 0; i--) { 181 DELAY(1000); 182 /* Should have interrupted by now */ 183 if (*rdp & LE_C0_IDON) 184 rv = 1; 185 } 186 *rap = LE_CSR0; 187 *rdp = LE_C0_STOP; 188 189 bus_dmamap_unload(va->va_dmat, map); 190 bus_dmamap_destroy(va->va_dmat, map); 191 return rv; 192 } 193 194 static void 195 le_vsbus_attach(device_t parent, device_t self, void *aux) 196 { 197 struct vsbus_attach_args * const va = aux; 198 struct le_softc * const sc = device_private(self); 199 bus_dma_segment_t seg; 200 int *lance_addr; 201 int i, err, rseg; 202 203 sc->sc_am7990.lsc.sc_dev = self; 204 sc->sc_rdp = (uint16_t *) vax_map_physmem(NI_BASE, 1); 205 sc->sc_rap = sc->sc_rdp + 2; 206 207 /* 208 * MD functions. 209 */ 210 sc->sc_am7990.lsc.sc_rdcsr = lerdcsr; 211 sc->sc_am7990.lsc.sc_wrcsr = lewrcsr; 212 sc->sc_am7990.lsc.sc_nocarrier = NULL; 213 214 scb_vecalloc(va->va_cvec, (void (*)(void *)) am7990_intr, sc, 215 SCB_ISTACK, &sc->sc_intrcnt); 216 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 217 device_xname(self), "intr"); 218 219 /* 220 * Allocate a (DMA-safe) block for all descriptors and buffers. 221 */ 222 223 #define ALLOCSIZ (64 * 1024) 224 err = bus_dmamem_alloc(va->va_dmat, ALLOCSIZ, PAGE_SIZE, 0, 225 &seg, 1, &rseg, BUS_DMA_NOWAIT); 226 if (err) { 227 aprint_error(": unable to alloc buffer block: err %d\n", err); 228 return; 229 } 230 err = bus_dmamem_map(va->va_dmat, &seg, rseg, ALLOCSIZ, 231 (void **)&sc->sc_am7990.lsc.sc_mem, 232 BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 233 if (err) { 234 aprint_error(": unable to map buffer block: err %d\n", err); 235 bus_dmamem_free(va->va_dmat, &seg, rseg); 236 return; 237 } 238 bus_dmamap_create(va->va_dmat, ALLOCSIZ, rseg, ALLOCSIZ, 239 0, BUS_DMA_NOWAIT, &sc->sc_dm); 240 if (err) { 241 aprint_error(": unable to create DMA map: err %d\n", err); 242 bus_dmamem_free(va->va_dmat, &seg, rseg); 243 return; 244 } 245 err = bus_dmamap_load(va->va_dmat, sc->sc_dm, sc->sc_am7990.lsc.sc_mem, 246 ALLOCSIZ, NULL, BUS_DMA_NOWAIT); 247 if (err) { 248 aprint_error(": unable to load DMA map: err %d\n", err); 249 bus_dmamap_destroy(va->va_dmat, sc->sc_dm); 250 bus_dmamem_free(va->va_dmat, &seg, rseg); 251 return; 252 } 253 aprint_normal(" buf 0x%lx-0x%lx", sc->sc_dm->dm_segs->ds_addr, 254 sc->sc_dm->dm_segs->ds_addr + sc->sc_dm->dm_segs->ds_len - 1); 255 sc->sc_am7990.lsc.sc_addr = sc->sc_dm->dm_segs->ds_addr & 0xffffff; 256 sc->sc_am7990.lsc.sc_memsize = sc->sc_dm->dm_segs->ds_len; 257 258 sc->sc_am7990.lsc.sc_copytodesc = lance_copytobuf_contig; 259 sc->sc_am7990.lsc.sc_copyfromdesc = lance_copyfrombuf_contig; 260 sc->sc_am7990.lsc.sc_copytobuf = lance_copytobuf_contig; 261 sc->sc_am7990.lsc.sc_copyfrombuf = lance_copyfrombuf_contig; 262 sc->sc_am7990.lsc.sc_zerobuf = lance_zerobuf_contig; 263 264 #ifdef LEDEBUG 265 sc->sc_am7990.lsc.sc_debug = 1; 266 #endif 267 /* 268 * Get the ethernet address out of rom 269 */ 270 lance_addr = (int *)vax_map_physmem(NI_ADDR, 1); 271 for (i = 0; i < ETHER_ADDR_LEN; i++) 272 sc->sc_am7990.lsc.sc_enaddr[i] = (u_char)lance_addr[i]; 273 vax_unmap_physmem((vaddr_t)lance_addr, 1); 274 275 memcpy( sc->sc_am7990.lsc.sc_ethercom.ec_if.if_xname, device_xname(self), 276 IFNAMSIZ); 277 278 /* Prettier printout */ 279 aprint_normal("\n%s", device_xname(self)); 280 281 am7990_config(&sc->sc_am7990); 282 } 283