1 /* $NetBSD: if_ep_eisa.c,v 1.24 2001/11/13 12:47:33 lukem 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 /* 41 * Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org> 42 * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org> 43 * All rights reserved. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. All advertising materials mentioning features or use of this software 54 * must display the following acknowledgement: 55 * This product includes software developed by Herb Peyerl. 56 * This product includes software developed by Jonathan Stone. 57 * 4. The name of Herb Peyerl or Jonathan Stone may not be used to endorse 58 * or promote products derived from this software without specific 59 * prior written permission. 60 * 61 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 62 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 63 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 64 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 65 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 66 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 67 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 68 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 69 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 70 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 71 */ 72 73 #include <sys/cdefs.h> 74 __KERNEL_RCSID(0, "$NetBSD: if_ep_eisa.c,v 1.24 2001/11/13 12:47:33 lukem Exp $"); 75 76 #include "opt_inet.h" 77 #include "opt_ns.h" 78 #include "bpfilter.h" 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/mbuf.h> 83 #include <sys/socket.h> 84 #include <sys/ioctl.h> 85 #include <sys/errno.h> 86 #include <sys/syslog.h> 87 #include <sys/select.h> 88 #include <sys/device.h> 89 90 #include <net/if.h> 91 #include <net/if_dl.h> 92 #include <net/if_ether.h> 93 #include <net/if_media.h> 94 95 #ifdef INET 96 #include <netinet/in.h> 97 #include <netinet/in_systm.h> 98 #include <netinet/in_var.h> 99 #include <netinet/ip.h> 100 #include <netinet/if_inarp.h> 101 #endif 102 103 #ifdef NS 104 #include <netns/ns.h> 105 #include <netns/ns_if.h> 106 #endif 107 108 #if NBPFILTER > 0 109 #include <net/bpf.h> 110 #include <net/bpfdesc.h> 111 #endif 112 113 #include <machine/cpu.h> 114 #include <machine/bus.h> 115 #include <machine/intr.h> 116 117 #include <dev/mii/miivar.h> 118 119 #include <dev/ic/elink3var.h> 120 #include <dev/ic/elink3reg.h> 121 122 #include <dev/eisa/eisareg.h> 123 #include <dev/eisa/eisavar.h> 124 #include <dev/eisa/eisadevs.h> 125 126 int ep_eisa_match __P((struct device *, struct cfdata *, void *)); 127 void ep_eisa_attach __P((struct device *, struct device *, void *)); 128 129 struct cfattach ep_eisa_ca = { 130 sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach 131 }; 132 133 /* XXX move these somewhere else */ 134 /* While attaching we need a few special EISA registers of the card, 135 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */ 136 #define EP_EISA_CFG_BASE 0x0c80 137 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */ 138 #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */ 139 #define EP_EISA_CFG_SIZE 0x000a 140 141 /* The generic driver backend only needs access to the standard ports, 142 mapped at the beginning of the eisa slot space */ 143 #define EP_IOPORT_OFFSET 0x0000 144 #define EP_IOPORT_SIZE 0x0020 145 146 /* Bits for the eisa control register */ 147 #define EISA_RESET 0x04 148 #define EISA_ERROR 0x02 149 #define EISA_ENABLE 0x01 150 151 struct ep_eisa_product { 152 const char *eep_eisaid; /* EISA ID */ 153 u_short eep_chipset; /* 3Com chipset used */ 154 int eep_flags; /* initial softc flags */ 155 const char *eep_name; /* device name */ 156 } ep_eisa_products[] = { 157 { "TCM5091", ELINK_CHIPSET_3C509, 158 0, EISA_PRODUCT_TCM5091 }, 159 160 { "TCM5092", ELINK_CHIPSET_3C509, 161 0, EISA_PRODUCT_TCM5092 }, 162 { "TCM5093", ELINK_CHIPSET_3C509, 163 0, EISA_PRODUCT_TCM5093 }, 164 { "TCM5094", ELINK_CHIPSET_3C509, 165 0, EISA_PRODUCT_TCM5094 }, 166 { "TCM5095", ELINK_CHIPSET_3C509, 167 0, EISA_PRODUCT_TCM5095 }, 168 { "TCM5098", ELINK_CHIPSET_3C509, 169 0, EISA_PRODUCT_TCM5098 }, 170 171 /* 172 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an 173 * MII connector for an external PHY. We treat it as 174 * `manual' in the core driver. 175 */ 176 { "TCM5920", ELINK_CHIPSET_VORTEX, 177 0, EISA_PRODUCT_TCM5920 }, 178 { "TCM5970", ELINK_CHIPSET_VORTEX, 179 0, EISA_PRODUCT_TCM5970 }, 180 { "TCM5971", ELINK_CHIPSET_VORTEX, 181 0, EISA_PRODUCT_TCM5971 }, 182 { "TCM5972", ELINK_CHIPSET_VORTEX, 183 0, EISA_PRODUCT_TCM5972 }, 184 185 { NULL, 0, 186 0, NULL }, 187 }; 188 189 struct ep_eisa_product *ep_eisa_lookup __P((struct eisa_attach_args *)); 190 191 struct ep_eisa_product * 192 ep_eisa_lookup(ea) 193 struct eisa_attach_args *ea; 194 { 195 struct ep_eisa_product *eep; 196 197 for (eep = ep_eisa_products; eep->eep_name != NULL; eep++) 198 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0) 199 return (eep); 200 201 return (NULL); 202 } 203 204 int 205 ep_eisa_match(parent, match, aux) 206 struct device *parent; 207 struct cfdata *match; 208 void *aux; 209 { 210 struct eisa_attach_args *ea = aux; 211 212 /* must match one of our known ID strings */ 213 if (ep_eisa_lookup(ea) != NULL) 214 return (1); 215 216 return (0); 217 } 218 219 void 220 ep_eisa_attach(parent, self, aux) 221 struct device *parent, *self; 222 void *aux; 223 { 224 struct ep_softc *sc = (void *)self; 225 struct eisa_attach_args *ea = aux; 226 bus_space_tag_t iot = ea->ea_iot; 227 bus_space_handle_t ioh, ioh_cfg; 228 eisa_chipset_tag_t ec = ea->ea_ec; 229 eisa_intr_handle_t ih; 230 const char *intrstr; 231 struct ep_eisa_product *eep; 232 u_int irq; 233 234 /* Map i/o space. */ 235 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE, 236 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) { 237 printf("\n"); 238 panic("ep_eisa_attach: can't map eisa cfg i/o space"); 239 } 240 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET, 241 EP_IOPORT_SIZE, 0, &ioh)) { 242 printf("\n"); 243 panic("ep_eisa_attach: can't map i/o space"); 244 } 245 246 sc->sc_ioh = ioh; 247 sc->sc_iot = iot; 248 249 /* Reset card. */ 250 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, 251 EISA_ENABLE | EISA_RESET); 252 delay(4000); 253 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE); 254 /* Wait for reset? */ 255 delay(1000); 256 257 /* Read the IRQ from the card. */ 258 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12; 259 260 eep = ep_eisa_lookup(ea); 261 if (eep == NULL) { 262 printf("\n"); 263 panic("ep_eisa_attach: impossible"); 264 } 265 266 /* we don't need access to the config registers any more, but 267 noone else should be able to map this space, so keep it 268 reserved? */ 269 #if 0 270 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE); 271 #endif 272 273 printf(": %s\n", eep->eep_name); 274 275 sc->enable = NULL; 276 sc->disable = NULL; 277 sc->enabled = 1; 278 279 sc->bustype = ELINK_BUS_EISA; 280 sc->ep_flags = eep->eep_flags; 281 282 if (eisa_intr_map(ec, irq, &ih)) { 283 printf("%s: couldn't map interrupt (%u)\n", 284 sc->sc_dev.dv_xname, irq); 285 return; 286 } 287 intrstr = eisa_intr_string(ec, ih); 288 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET, 289 epintr, sc); 290 if (sc->sc_ih == NULL) { 291 printf("%s: couldn't establish interrupt", 292 sc->sc_dev.dv_xname); 293 if (intrstr != NULL) 294 printf(" at %s", intrstr); 295 printf("\n"); 296 return; 297 } 298 if (intrstr != NULL) 299 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 300 intrstr); 301 302 epconfig(sc, eep->eep_chipset, NULL); 303 } 304