if_cs_ofisa.c revision 1.1
1 /* $NetBSD: if_cs_ofisa.c,v 1.1 1998/07/27 01:26:43 thorpej 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/socket.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 46 #include <net/if.h> 47 #include <net/if_ether.h> 48 #include <net/if_media.h> 49 #ifdef INET 50 #include <netinet/in.h> 51 #include <netinet/if_inarp.h> 52 #endif 53 54 #include <machine/bus.h> 55 #include <machine/intr.h> 56 57 #include <dev/ofw/openfirm.h> 58 #include <dev/isa/isavar.h> 59 #include <dev/ofisa/ofisavar.h> 60 61 #include <dev/isa/cs89x0reg.h> 62 #include <dev/isa/cs89x0var.h> 63 64 int cs_ofisa_match __P((struct device *, struct cfdata *, void *)); 65 void cs_ofisa_attach __P((struct device *, struct device *, void *)); 66 67 struct cfattach cs_ofisa_ca = { 68 sizeof(struct cs_softc), cs_ofisa_match, cs_ofisa_attach 69 }; 70 71 int 72 cs_ofisa_match(parent, cf, aux) 73 struct device *parent; 74 struct cfdata *cf; 75 void *aux; 76 { 77 struct ofisa_attach_args *aa = aux; 78 const char *compatible_strings[] = { 79 "CRUS,CS8900", 80 /* XXX CS8920, CS8920M? */ 81 /* XXX PNP names? */ 82 NULL, 83 }; 84 int rv = 0; 85 86 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 87 rv = 1; 88 89 return (rv); 90 } 91 92 void 93 cs_ofisa_attach(parent, self, aux) 94 struct device *parent, *self; 95 void *aux; 96 { 97 struct cs_softc *sc = (struct cs_softc *) self; 98 struct ofisa_attach_args *aa = aux; 99 struct ofisa_reg_desc reg[2]; 100 struct ofisa_intr_desc intr; 101 struct ofisa_dma_desc dma; 102 int i, n, *media, nmedia, defmedia; 103 bus_addr_t io_addr, mem_addr; 104 char *model = NULL; 105 const char *message = NULL; 106 u_int8_t enaddr[6]; 107 108 sc->sc_ic = aa->ic; 109 sc->sc_iot = aa->iot; 110 sc->sc_memt = aa->memt; 111 112 /* 113 * We're living on an OFW. We have to ask the OFW what our 114 * registers and interrupts properties look like. 115 * 116 * We expect: 117 * 118 * 1 i/o register region 119 * 0 or 1 memory region 120 * 1 interrupt 121 * 0 or 1 dma channel 122 */ 123 124 io_addr = mem_addr = -1; 125 126 n = ofisa_reg_get(aa->oba.oba_phandle, reg, 2); 127 if (n < 1 || n > 2) { 128 printf(": error getting register data\n"); 129 return; 130 } 131 132 for (i = 0; i < n; i++) { 133 if (reg[i].type == OFISA_REG_TYPE_IO) { 134 if (io_addr != (bus_addr_t) -1) { 135 printf(": multiple I/O regions\n"); 136 return; 137 } 138 if (reg[i].len != CS8900_IOSIZE) { 139 printf(": weird register size (%lu, expected %d)\n", 140 (unsigned long)reg[i].len, CS8900_IOSIZE); 141 return; 142 } 143 io_addr = reg[i].addr; 144 } else { 145 if (mem_addr != (bus_addr_t) -1) { 146 printf(": multiple memory regions\n"); 147 return; 148 } 149 if (reg[i].len != CS8900_MEMSIZE) { 150 printf(": weird register size (%lu, expected %d)\n", 151 (unsigned long)reg[i].len, CS8900_MEMSIZE); 152 return; 153 } 154 mem_addr = reg[i].addr; 155 } 156 } 157 158 n = ofisa_intr_get(aa->oba.oba_phandle, &intr, 1); 159 if (n != 1) { 160 printf(": error getting interrupt data\n"); 161 return; 162 } 163 sc->sc_irq = intr.irq; 164 165 if (CS8900_IRQ_ISVALID(sc->sc_irq) == 0) { 166 printf(": invalid IRQ %d\n", sc->sc_irq); 167 return; 168 } 169 170 sc->sc_drq = ISACF_DRQ_DEFAULT; 171 if (OF_getproplen(aa->oba.oba_phandle, "no-dma") < 0 && 172 ofisa_dma_get(aa->oba.oba_phandle, &dma, 1) == 1) { 173 #ifdef SHARK /* XXX machdep ofw hook */ 174 sc->sc_drq = 6; 175 #else 176 sc->sc_drq = dma.drq; 177 #endif 178 } 179 180 if (io_addr == (bus_addr_t) -1) { 181 printf(": no I/O space\n"); 182 return; 183 } 184 if (bus_space_map(sc->sc_iot, io_addr, CS8900_IOSIZE, 0, 185 &sc->sc_ioh)) { 186 printf(": unable to map register space\n"); 187 return; 188 } 189 190 if (mem_addr != (bus_addr_t) -1) { 191 if (bus_space_map(sc->sc_memt, mem_addr, CS8900_MEMSIZE, 0, 192 &sc->sc_memh)) { 193 message = "unable to map memory space"; 194 } else { 195 sc->sc_cfgflags |= CFGFLG_MEM_MODE; 196 sc->sc_pktpgaddr = mem_addr; 197 } 198 } 199 200 /* Dig MAC address out of the firmware. */ 201 if (OF_getprop(aa->oba.oba_phandle, "mac-address", enaddr, 202 sizeof(enaddr)) < 0) { 203 printf(": unable to get Ethernet address\n"); 204 return; 205 } 206 207 /* Dig media out of the firmware. */ 208 media = of_network_decode_media(aa->oba.oba_phandle, &nmedia, 209 &defmedia); 210 if (media == NULL) { 211 printf(": unable to get media information\n"); 212 return; 213 } 214 215 n = OF_getproplen(aa->oba.oba_phandle, "model"); 216 if (n > 0) { 217 model = alloca(n); 218 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 219 model = NULL; /* Safe; alloca is on-stack */ 220 } 221 if (model != NULL) 222 printf(": %s\n", model); 223 else 224 printf("\n"); 225 226 if (message != NULL) 227 printf("%s: %s\n", sc->sc_dev.dv_xname, message); 228 229 if (defmedia == -1) { 230 printf("%s: unable to get default media\n", 231 sc->sc_dev.dv_xname); 232 defmedia = media[0]; /* XXX What to do? */ 233 } 234 235 sc->sc_ih = isa_intr_establish(sc->sc_ic, sc->sc_irq, intr.share, 236 IPL_NET, cs_intr, sc); 237 if (sc->sc_ih == NULL) { 238 printf("%s: unable to establish interrupt\n", 239 sc->sc_dev.dv_xname); 240 return; 241 } 242 243 #ifdef SHARK /* XXX machdep ofw hook */ 244 sc->sc_cfgflags |= CFGFLG_USE_SA|CFGFLG_IOCHRDY|CFGFLG_NOT_EEPROM; 245 #endif 246 247 cs_attach(sc, enaddr, media, nmedia, defmedia); 248 249 /* This is malloc'd. */ 250 free(media, M_DEVBUF); 251 } 252
Indexes created Tue Oct 21 08:09:48 GMT 2025