if_ep_eisa.c revision 1.28
1/* $NetBSD: if_ep_eisa.c,v 1.28 2003/02/08 12:06:13 jdolecek 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 1.28 2003/02/08 12:06:13 jdolecek 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 126int ep_eisa_match __P((struct device *, struct cfdata *, void *)); 127void ep_eisa_attach __P((struct device *, struct device *, void *)); 128 129CFATTACH_DECL(ep_eisa, sizeof(struct ep_softc), 130 ep_eisa_match, ep_eisa_attach, NULL, NULL); 131 132/* XXX move these somewhere else */ 133/* While attaching we need a few special EISA registers of the card, 134 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */ 135#define EP_EISA_CFG_BASE 0x0c80 136#define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */ 137#define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */ 138#define EP_EISA_CFG_SIZE 0x000a 139 140/* The generic driver backend only needs access to the standard ports, 141 mapped at the beginning of the eisa slot space */ 142#define EP_IOPORT_OFFSET 0x0000 143#define EP_IOPORT_SIZE 0x0020 144 145/* Bits for the eisa control register */ 146#define EISA_RESET 0x04 147#define EISA_ERROR 0x02 148#define EISA_ENABLE 0x01 149 150struct ep_eisa_product { 151 const char *eep_eisaid; /* EISA ID */ 152 u_short eep_chipset; /* 3Com chipset used */ 153 int eep_flags; /* initial softc flags */ 154 const char *eep_name; /* device name */ 155} ep_eisa_products[] = { 156 { "TCM5091", ELINK_CHIPSET_3C509, 157 0, EISA_PRODUCT_TCM5091 }, 158 159 { "TCM5092", ELINK_CHIPSET_3C509, 160 0, EISA_PRODUCT_TCM5092 }, 161 { "TCM5093", ELINK_CHIPSET_3C509, 162 0, EISA_PRODUCT_TCM5093 }, 163 { "TCM5094", ELINK_CHIPSET_3C509, 164 0, EISA_PRODUCT_TCM5094 }, 165 { "TCM5095", ELINK_CHIPSET_3C509, 166 0, EISA_PRODUCT_TCM5095 }, 167 { "TCM5098", ELINK_CHIPSET_3C509, 168 0, EISA_PRODUCT_TCM5098 }, 169 170 /* 171 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an 172 * MII connector for an external PHY. We treat it as 173 * `manual' in the core driver. 174 */ 175 { "TCM5920", ELINK_CHIPSET_VORTEX, 176 0, EISA_PRODUCT_TCM5920 }, 177 { "TCM5970", ELINK_CHIPSET_VORTEX, 178 0, EISA_PRODUCT_TCM5970 }, 179 { "TCM5971", ELINK_CHIPSET_VORTEX, 180 0, EISA_PRODUCT_TCM5971 }, 181 { "TCM5972", ELINK_CHIPSET_VORTEX, 182 0, EISA_PRODUCT_TCM5972 }, 183 184 { NULL, 0, 185 0, NULL }, 186}; 187 188struct ep_eisa_product *ep_eisa_lookup __P((struct eisa_attach_args *)); 189 190struct ep_eisa_product * 191ep_eisa_lookup(ea) 192 struct eisa_attach_args *ea; 193{ 194 struct ep_eisa_product *eep; 195 196 for (eep = ep_eisa_products; eep->eep_name != NULL; eep++) 197 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0) 198 return (eep); 199 200 return (NULL); 201} 202 203int 204ep_eisa_match(parent, match, aux) 205 struct device *parent; 206 struct cfdata *match; 207 void *aux; 208{ 209 struct eisa_attach_args *ea = aux; 210 211 /* must match one of our known ID strings */ 212 if (ep_eisa_lookup(ea) != NULL) 213 return (1); 214 215 return (0); 216} 217 218void 219ep_eisa_attach(parent, self, aux) 220 struct device *parent, *self; 221 void *aux; 222{ 223 struct ep_softc *sc = (void *)self; 224 struct eisa_attach_args *ea = aux; 225 bus_space_tag_t iot = ea->ea_iot; 226 bus_space_handle_t ioh, ioh_cfg; 227 eisa_chipset_tag_t ec = ea->ea_ec; 228 eisa_intr_handle_t ih; 229 const char *intrstr; 230 struct ep_eisa_product *eep; 231 u_int irq; 232 233 /* Map i/o space. */ 234 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE, 235 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) { 236 printf("\n"); 237 panic("ep_eisa_attach: can't map eisa cfg i/o space"); 238 } 239 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET, 240 EP_IOPORT_SIZE, 0, &ioh)) { 241 printf("\n"); 242 panic("ep_eisa_attach: can't map i/o space"); 243 } 244 245 sc->sc_ioh = ioh; 246 sc->sc_iot = iot; 247 248 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE); 249 delay(4000); 250 251 /* Read the IRQ from the card. */ 252 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12; 253 254 eep = ep_eisa_lookup(ea); 255 if (eep == NULL) { 256 printf("\n"); 257 panic("ep_eisa_attach: impossible"); 258 } 259 260 /* we don't need access to the config registers any more, but 261 noone else should be able to map this space, so keep it 262 reserved? */ 263#if 0 264 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE); 265#endif 266 267 printf(": %s\n", eep->eep_name); 268 269 sc->enable = NULL; 270 sc->disable = NULL; 271 sc->enabled = 1; 272 273 sc->bustype = ELINK_BUS_EISA; 274 sc->ep_flags = eep->eep_flags; 275 276 if (eisa_intr_map(ec, irq, &ih)) { 277 printf("%s: couldn't map interrupt (%u)\n", 278 sc->sc_dev.dv_xname, irq); 279 return; 280 } 281 intrstr = eisa_intr_string(ec, ih); 282 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET, 283 epintr, sc); 284 if (sc->sc_ih == NULL) { 285 printf("%s: couldn't establish interrupt", 286 sc->sc_dev.dv_xname); 287 if (intrstr != NULL) 288 printf(" at %s", intrstr); 289 printf("\n"); 290 return; 291 } 292 if (intrstr != NULL) 293 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 294 intrstr); 295 296 epconfig(sc, eep->eep_chipset, NULL); 297} 298