if_cs_ofisa.c revision 1.17.2.1
1 /* $NetBSD: if_cs_ofisa.c,v 1.17.2.1 2008/05/18 12:34:18 yamt 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 Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: if_cs_ofisa.c,v 1.17.2.1 2008/05/18 12:34:18 yamt Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/socket.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 42 #include "rnd.h" 43 #if NRND > 0 44 #include <sys/rnd.h> 45 #endif 46 47 #include <net/if.h> 48 #include <net/if_ether.h> 49 #include <net/if_media.h> 50 #ifdef INET 51 #include <netinet/in.h> 52 #include <netinet/if_inarp.h> 53 #endif 54 55 #include <sys/bus.h> 56 #include <sys/intr.h> 57 58 #include <dev/ofw/openfirm.h> 59 #include <dev/isa/isavar.h> 60 #include <dev/ofisa/ofisavar.h> 61 62 #include <dev/ic/cs89x0reg.h> 63 #include <dev/ic/cs89x0var.h> 64 #include <dev/isa/cs89x0isavar.h> 65 66 int cs_ofisa_match(struct device *, struct cfdata *, void *); 67 void cs_ofisa_attach(struct device *, struct device *, void *); 68 69 CFATTACH_DECL(cs_ofisa, sizeof(struct cs_softc_isa), 70 cs_ofisa_match, cs_ofisa_attach, NULL, NULL); 71 72 int 73 cs_ofisa_match(parent, cf, aux) 74 struct device *parent; 75 struct cfdata *cf; 76 void *aux; 77 { 78 struct ofisa_attach_args *aa = aux; 79 static const char *const compatible_strings[] = { 80 "CRUS,CS8900", 81 /* XXX CS8920, CS8920M? */ 82 /* XXX PNP names? */ 83 NULL, 84 }; 85 int rv = 0; 86 87 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 88 rv = 5; 89 #ifdef _CS_OFISA_MD_MATCH 90 if (rv == 0) 91 rv = cs_ofisa_md_match(parent, cf, aux); 92 #endif 93 return (rv); 94 } 95 96 void 97 cs_ofisa_attach(parent, self, aux) 98 struct device *parent, *self; 99 void *aux; 100 { 101 struct cs_softc *sc = device_private(self); 102 struct cs_softc_isa *isc = (void *)sc; 103 struct ofisa_attach_args *aa = aux; 104 struct ofisa_reg_desc reg[2]; 105 struct ofisa_intr_desc intr; 106 struct ofisa_dma_desc dma; 107 int i, n, *media, nmedia, defmedia; 108 bus_addr_t io_addr, mem_addr; 109 char *model = NULL; 110 const char *message = NULL; 111 u_int8_t enaddr[6]; 112 113 isc->sc_ic = aa->ic; 114 sc->sc_iot = aa->iot; 115 sc->sc_memt = aa->memt; 116 117 /* 118 * We're living on an OFW. We have to ask the OFW what our 119 * registers and interrupts properties look like. 120 * 121 * We expect: 122 * 123 * 1 i/o register region 124 * 0 or 1 memory region 125 * 1 interrupt 126 * 0 or 1 DMA channel 127 */ 128 129 io_addr = mem_addr = -1; 130 131 n = ofisa_reg_get(aa->oba.oba_phandle, reg, 2); 132 #ifdef _CS_OFISA_MD_REG_FIXUP 133 n = cs_ofisa_md_reg_fixup(parent, self, aux, reg, 2, n); 134 #endif 135 if (n < 1 || n > 2) { 136 printf(": error getting register data\n"); 137 return; 138 } 139 140 for (i = 0; i < n; i++) { 141 if (reg[i].type == OFISA_REG_TYPE_IO) { 142 if (io_addr != (bus_addr_t) -1) { 143 printf(": multiple I/O regions\n"); 144 return; 145 } 146 if (reg[i].len != CS8900_IOSIZE) { 147 printf(": weird register size (%lu, expected %d)\n", 148 (unsigned long)reg[i].len, CS8900_IOSIZE); 149 return; 150 } 151 io_addr = reg[i].addr; 152 } else { 153 if (mem_addr != (bus_addr_t) -1) { 154 printf(": multiple memory regions\n"); 155 return; 156 } 157 if (reg[i].len != CS8900_MEMSIZE) { 158 printf(": weird register size (%lu, expected %d)\n", 159 (unsigned long)reg[i].len, CS8900_MEMSIZE); 160 return; 161 } 162 mem_addr = reg[i].addr; 163 } 164 } 165 166 n = ofisa_intr_get(aa->oba.oba_phandle, &intr, 1); 167 #ifdef _CS_OFISA_MD_INTR_FIXUP 168 n = cs_ofisa_md_intr_fixup(parent, self, aux, &intr, 1, n); 169 #endif 170 if (n != 1) { 171 printf(": error getting interrupt data\n"); 172 return; 173 } 174 sc->sc_irq = intr.irq; 175 176 if (CS8900_IRQ_ISVALID(sc->sc_irq) == 0) { 177 printf(": invalid IRQ %d\n", sc->sc_irq); 178 return; 179 } 180 181 isc->sc_drq = -1; 182 n = ofisa_dma_get(aa->oba.oba_phandle, &dma, 1); 183 #ifdef _CS_OFISA_MD_DMA_FIXUP 184 n = cs_ofisa_md_dma_fixup(parent, self, aux, &dma, 1, n); 185 #endif 186 if (n == 1) 187 isc->sc_drq = dma.drq; 188 189 if (io_addr == (bus_addr_t) -1) { 190 printf(": no I/O space\n"); 191 return; 192 } 193 if (bus_space_map(sc->sc_iot, io_addr, CS8900_IOSIZE, 0, 194 &sc->sc_ioh)) { 195 printf(": unable to map register space\n"); 196 return; 197 } 198 199 if (mem_addr != (bus_addr_t) -1) { 200 if (bus_space_map(sc->sc_memt, mem_addr, CS8900_MEMSIZE, 0, 201 &sc->sc_memh)) { 202 message = "unable to map memory space"; 203 } else { 204 sc->sc_cfgflags |= CFGFLG_MEM_MODE; 205 sc->sc_pktpgaddr = mem_addr; 206 } 207 } 208 209 /* Dig MAC address out of the firmware. */ 210 if (OF_getprop(aa->oba.oba_phandle, "mac-address", enaddr, 211 sizeof(enaddr)) < 0) { 212 printf(": unable to get Ethernet address\n"); 213 return; 214 } 215 216 /* Dig media out of the firmware. */ 217 media = of_network_decode_media(aa->oba.oba_phandle, &nmedia, 218 &defmedia); 219 #ifdef _CS_OFISA_MD_MEDIA_FIXUP 220 media = cs_ofisa_md_media_fixup(parent, self, aux, media, &nmedia, 221 &defmedia); 222 #endif 223 if (media == NULL) { 224 printf(": unable to get media information\n"); 225 return; 226 } 227 228 n = OF_getproplen(aa->oba.oba_phandle, "model"); 229 if (n > 0) { 230 model = alloca(n); 231 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 232 model = NULL; /* Safe; alloca is on-stack */ 233 } 234 if (model != NULL) 235 printf(": %s\n", model); 236 else 237 printf("\n"); 238 239 if (message != NULL) 240 printf("%s: %s\n", device_xname(&sc->sc_dev), message); 241 242 if (defmedia == -1) { 243 aprint_error_dev(&sc->sc_dev, "unable to get default media\n"); 244 defmedia = media[0]; /* XXX What to do? */ 245 } 246 247 sc->sc_ih = isa_intr_establish(isc->sc_ic, sc->sc_irq, intr.share, 248 IPL_NET, cs_intr, sc); 249 if (sc->sc_ih == NULL) { 250 aprint_error_dev(&sc->sc_dev, "unable to establish interrupt\n"); 251 return; 252 } 253 254 #ifdef _CS_OFISA_MD_CFGFLAGS_FIXUP 255 sc->sc_cfgflags |= cs_ofisa_md_cfgflags_fixup(parent, self, aux); 256 #endif 257 258 sc->sc_dma_chipinit = cs_isa_dma_chipinit; 259 sc->sc_dma_attach = cs_isa_dma_attach; 260 sc->sc_dma_process_rx = cs_process_rx_dma; 261 262 cs_attach(sc, enaddr, media, nmedia, defmedia); 263 264 /* This is malloc'd. */ 265 free(media, M_DEVBUF); 266 } 267
Indexes created Fri Oct 17 17:09:57 GMT 2025