1 /* $NetBSD: if_ep_eisa.c,v 1.34 2006/10/12 01:30:57 christos 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 1.34 2006/10/12 01:30:57 christos Exp $"); 75 76 #include "opt_inet.h" 77 #include "bpfilter.h" 78 79 #include <sys/param.h> 80 #include <sys/systm.h> 81 #include <sys/mbuf.h> 82 #include <sys/socket.h> 83 #include <sys/ioctl.h> 84 #include <sys/errno.h> 85 #include <sys/syslog.h> 86 #include <sys/select.h> 87 #include <sys/device.h> 88 89 #include <net/if.h> 90 #include <net/if_dl.h> 91 #include <net/if_ether.h> 92 #include <net/if_media.h> 93 94 #ifdef INET 95 #include <netinet/in.h> 96 #include <netinet/in_systm.h> 97 #include <netinet/in_var.h> 98 #include <netinet/ip.h> 99 #include <netinet/if_inarp.h> 100 #endif 101 102 103 #if NBPFILTER > 0 104 #include <net/bpf.h> 105 #include <net/bpfdesc.h> 106 #endif 107 108 #include <machine/cpu.h> 109 #include <machine/bus.h> 110 #include <machine/intr.h> 111 112 #include <dev/mii/miivar.h> 113 114 #include <dev/ic/elink3var.h> 115 #include <dev/ic/elink3reg.h> 116 117 #include <dev/eisa/eisareg.h> 118 #include <dev/eisa/eisavar.h> 119 #include <dev/eisa/eisadevs.h> 120 121 static int ep_eisa_match(struct device *, struct cfdata *, void *); 122 static void ep_eisa_attach(struct device *, struct device *, void *); 123 124 CFATTACH_DECL(ep_eisa, sizeof(struct ep_softc), 125 ep_eisa_match, ep_eisa_attach, NULL, NULL); 126 127 /* XXX move these somewhere else */ 128 /* While attaching we need a few special EISA registers of the card, 129 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */ 130 #define EP_EISA_CFG_BASE 0x0c80 131 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */ 132 #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */ 133 #define EP_EISA_CFG_SIZE 0x000a 134 135 /* The generic driver backend only needs access to the standard ports, 136 mapped at the beginning of the eisa slot space */ 137 #define EP_IOPORT_OFFSET 0x0000 138 #define EP_IOPORT_SIZE 0x0020 139 140 /* Bits for the eisa control register */ 141 #define EISA_RESET 0x04 142 #define EISA_ERROR 0x02 143 #define EISA_ENABLE 0x01 144 145 static const struct ep_eisa_product { 146 const char *eep_eisaid; /* EISA ID */ 147 u_short eep_chipset; /* 3Com chipset used */ 148 int eep_flags; /* initial softc flags */ 149 const char *eep_name; /* device name */ 150 } ep_eisa_products[] = { 151 { "TCM5091", ELINK_CHIPSET_3C509, 152 0, EISA_PRODUCT_TCM5091 }, 153 154 { "TCM5092", ELINK_CHIPSET_3C509, 155 0, EISA_PRODUCT_TCM5092 }, 156 { "TCM5093", ELINK_CHIPSET_3C509, 157 0, EISA_PRODUCT_TCM5093 }, 158 { "TCM5094", ELINK_CHIPSET_3C509, 159 0, EISA_PRODUCT_TCM5094 }, 160 { "TCM5095", ELINK_CHIPSET_3C509, 161 0, EISA_PRODUCT_TCM5095 }, 162 { "TCM5098", ELINK_CHIPSET_3C509, 163 0, EISA_PRODUCT_TCM5098 }, 164 165 /* 166 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an 167 * MII connector for an external PHY. We treat it as 168 * `manual' in the core driver. 169 */ 170 { "TCM5920", ELINK_CHIPSET_VORTEX, 171 0, EISA_PRODUCT_TCM5920 }, 172 { "TCM5970", ELINK_CHIPSET_VORTEX, 173 0, EISA_PRODUCT_TCM5970 }, 174 { "TCM5971", ELINK_CHIPSET_VORTEX, 175 0, EISA_PRODUCT_TCM5971 }, 176 { "TCM5972", ELINK_CHIPSET_VORTEX, 177 0, EISA_PRODUCT_TCM5972 }, 178 179 { NULL, 0, 180 0, NULL }, 181 }; 182 183 static const struct ep_eisa_product * 184 ep_eisa_lookup(const struct eisa_attach_args *ea) 185 { 186 const struct ep_eisa_product *eep; 187 188 for (eep = ep_eisa_products; eep->eep_name != NULL; eep++) 189 if (strcmp(ea->ea_idstring, eep->eep_eisaid) == 0) 190 return (eep); 191 192 return (NULL); 193 } 194 195 static int 196 ep_eisa_match(struct device *parent __unused, struct cfdata *match __unused, 197 void *aux) 198 { 199 struct eisa_attach_args *ea = aux; 200 201 /* must match one of our known ID strings */ 202 if (ep_eisa_lookup(ea) != NULL) 203 return (1); 204 205 return (0); 206 } 207 208 static void 209 ep_eisa_attach(struct device *parent __unused, struct device *self, void *aux) 210 { 211 struct ep_softc *sc = device_private(self); 212 struct eisa_attach_args *ea = aux; 213 bus_space_tag_t iot = ea->ea_iot; 214 bus_space_handle_t ioh, ioh_cfg; 215 eisa_chipset_tag_t ec = ea->ea_ec; 216 eisa_intr_handle_t ih; 217 const char *intrstr; 218 const struct ep_eisa_product *eep; 219 u_int irq; 220 221 /* Map i/o space. */ 222 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE, 223 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) { 224 printf("\n"); 225 panic("ep_eisa_attach: can't map eisa cfg i/o space"); 226 } 227 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET, 228 EP_IOPORT_SIZE, 0, &ioh)) { 229 printf("\n"); 230 panic("ep_eisa_attach: can't map i/o space"); 231 } 232 233 sc->sc_ioh = ioh; 234 sc->sc_iot = iot; 235 236 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE); 237 delay(4000); 238 239 /* Read the IRQ from the card. */ 240 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12; 241 242 eep = ep_eisa_lookup(ea); 243 if (eep == NULL) { 244 printf("\n"); 245 panic("ep_eisa_attach: impossible"); 246 } 247 248 /* we don't need access to the config registers any more, but 249 noone else should be able to map this space, so keep it 250 reserved? */ 251 #if 0 252 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE); 253 #endif 254 255 printf(": %s\n", eep->eep_name); 256 257 sc->enable = NULL; 258 sc->disable = NULL; 259 sc->enabled = 1; 260 261 sc->bustype = ELINK_BUS_EISA; 262 sc->ep_flags = eep->eep_flags; 263 264 if (eisa_intr_map(ec, irq, &ih)) { 265 printf("%s: couldn't map interrupt (%u)\n", 266 sc->sc_dev.dv_xname, irq); 267 return; 268 } 269 intrstr = eisa_intr_string(ec, ih); 270 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET, 271 epintr, sc); 272 if (sc->sc_ih == NULL) { 273 printf("%s: couldn't establish interrupt", 274 sc->sc_dev.dv_xname); 275 if (intrstr != NULL) 276 printf(" at %s", intrstr); 277 printf("\n"); 278 return; 279 } 280 if (intrstr != NULL) 281 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 282 intrstr); 283 284 epconfig(sc, eep->eep_chipset, NULL); 285 } 286