1 /* $NetBSD: if_ep_eisa.c,v 1.44 2021/01/27 04:35:15 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 * 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 /* 34 * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> 35 * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org> 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by Herb Peyerl. 49 * This product includes software developed by Jonathan Stone. 50 * 4. The name of Herb Peyerl or Jonathan Stone may not be used to endorse 51 * or promote products derived from this software without specific 52 * prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #include <sys/cdefs.h> 67 __KERNEL_RCSID(0, "$NetBSD: if_ep_eisa.c,v 1.44 2021/01/27 04:35:15 thorpej Exp $"); 68 69 #include "opt_inet.h" 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/mbuf.h> 74 #include <sys/socket.h> 75 #include <sys/ioctl.h> 76 #include <sys/errno.h> 77 #include <sys/syslog.h> 78 #include <sys/select.h> 79 #include <sys/device.h> 80 81 #include <net/if.h> 82 #include <net/if_dl.h> 83 #include <net/if_ether.h> 84 #include <net/if_media.h> 85 86 #ifdef INET 87 #include <netinet/in.h> 88 #include <netinet/in_systm.h> 89 #include <netinet/in_var.h> 90 #include <netinet/ip.h> 91 #include <netinet/if_inarp.h> 92 #endif 93 94 #include <sys/cpu.h> 95 #include <sys/bus.h> 96 #include <sys/intr.h> 97 98 #include <dev/mii/miivar.h> 99 100 #include <dev/ic/elink3var.h> 101 #include <dev/ic/elink3reg.h> 102 103 #include <dev/eisa/eisareg.h> 104 #include <dev/eisa/eisavar.h> 105 #include <dev/eisa/eisadevs.h> 106 107 static int ep_eisa_match(device_t , cfdata_t , void *); 108 static void ep_eisa_attach(device_t , device_t , void *); 109 110 CFATTACH_DECL_NEW(ep_eisa, sizeof(struct ep_softc), 111 ep_eisa_match, ep_eisa_attach, NULL, NULL); 112 113 /* XXX move these somewhere else */ 114 /* While attaching we need a few special EISA registers of the card, 115 these are mapped at slotbase+EP_EISA_CFG_BASE with len EP_EISA_CFG_SIZE */ 116 #define EP_EISA_CFG_BASE 0x0c80 117 #define EP_EISA_CFG_CONTROL 0x0004 /* 1 byte */ 118 #define EP_EISA_CFG_RESOURCE 0x0008 /* 2 byte */ 119 #define EP_EISA_CFG_SIZE 0x000a 120 121 /* The generic driver backend only needs access to the standard ports, 122 mapped at the beginning of the eisa slot space */ 123 #define EP_IOPORT_OFFSET 0x0000 124 #define EP_IOPORT_SIZE 0x0020 125 126 /* Bits for the eisa control register */ 127 #define EISA_RESET 0x04 128 #define EISA_ERROR 0x02 129 #define EISA_ENABLE 0x01 130 131 struct ep_eisa_product { 132 u_short chipset; /* 3Com chipset used */ 133 int flags; /* initial softc flags */ 134 const char *name; /* device name */ 135 }; 136 137 static const struct ep_eisa_product tcm5090 = { 138 .chipset = ELINK_CHIPSET_3C509, 139 .flags = 0, 140 .name = EISA_PRODUCT_TCM5090 141 }; 142 143 static const struct ep_eisa_product tcm5091 = { 144 .chipset = ELINK_CHIPSET_3C509, 145 .flags = 0, 146 .name = EISA_PRODUCT_TCM5091 147 }; 148 149 static const struct ep_eisa_product tcm5092 = { 150 .chipset = ELINK_CHIPSET_3C509, 151 .flags = 0, 152 .name = EISA_PRODUCT_TCM5092 153 }; 154 155 static const struct ep_eisa_product tcm5093 = { 156 .chipset = ELINK_CHIPSET_3C509, 157 .flags = 0, 158 .name = EISA_PRODUCT_TCM5093 159 }; 160 161 static const struct ep_eisa_product tcm5094 = { 162 .chipset = ELINK_CHIPSET_3C509, 163 .flags = 0, 164 .name = EISA_PRODUCT_TCM5094 165 }; 166 167 static const struct ep_eisa_product tcm5095 = { 168 .chipset = ELINK_CHIPSET_3C509, 169 .flags = 0, 170 .name = EISA_PRODUCT_TCM5095 171 }; 172 173 static const struct ep_eisa_product tcm5098 = { 174 .chipset = ELINK_CHIPSET_3C509, 175 .flags = 0, 176 .name = EISA_PRODUCT_TCM5098 177 }; 178 179 static const struct ep_eisa_product tcm5920 = { 180 .chipset = ELINK_CHIPSET_VORTEX, 181 .flags = 0, 182 .name = EISA_PRODUCT_TCM5920 183 }; 184 185 static const struct ep_eisa_product tcm5970 = { 186 .chipset = ELINK_CHIPSET_VORTEX, 187 .flags = 0, 188 .name = EISA_PRODUCT_TCM5970 189 }; 190 191 static const struct ep_eisa_product tcm5971 = { 192 .chipset = ELINK_CHIPSET_VORTEX, 193 .flags = 0, 194 .name = EISA_PRODUCT_TCM5971 195 }; 196 197 /* 198 * Note: The 3c597 Fast Etherlink MII (TCM5972) is an 199 * MII connector for an external PHY. We treat it as 200 * `manual' in the core driver. 201 */ 202 static const struct ep_eisa_product tcm5972 = { 203 .chipset = ELINK_CHIPSET_VORTEX, 204 .flags = 0, 205 .name = EISA_PRODUCT_TCM5972 206 }; 207 208 static const struct device_compatible_entry compat_data[] = { 209 { .compat = "TCM5090", .data = &tcm5090 }, 210 { .compat = "TCM5091", .data = &tcm5091 }, 211 { .compat = "TCM5092", .data = &tcm5092 }, 212 { .compat = "TCM5093", .data = &tcm5093 }, 213 { .compat = "TCM5094", .data = &tcm5094 }, 214 { .compat = "TCM5095", .data = &tcm5095 }, 215 { .compat = "TCM5098", .data = &tcm5098 }, 216 { .compat = "TCM5920", .data = &tcm5920 }, 217 { .compat = "TCM5970", .data = &tcm5970 }, 218 { .compat = "TCM5971", .data = &tcm5971 }, 219 { .compat = "TCM5972", .data = &tcm5972 }, 220 DEVICE_COMPAT_EOL 221 }; 222 223 static int 224 ep_eisa_match(device_t parent, cfdata_t match, void *aux) 225 { 226 struct eisa_attach_args *ea = aux; 227 228 return (eisa_compatible_match(ea, compat_data)); 229 } 230 231 static void 232 ep_eisa_attach(device_t parent, device_t self, void *aux) 233 { 234 struct ep_softc *sc = device_private(self); 235 struct eisa_attach_args *ea = aux; 236 const struct device_compatible_entry *dce; 237 bus_space_tag_t iot = ea->ea_iot; 238 bus_space_handle_t ioh, ioh_cfg; 239 eisa_chipset_tag_t ec = ea->ea_ec; 240 eisa_intr_handle_t ih; 241 const char *intrstr; 242 const struct ep_eisa_product *eep; 243 u_int irq; 244 char intrbuf[EISA_INTRSTR_LEN]; 245 246 /* Map i/o space. */ 247 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_EISA_CFG_BASE, 248 EP_EISA_CFG_SIZE, 0, &ioh_cfg)) { 249 printf("\n"); 250 panic("ep_eisa_attach: can't map eisa cfg i/o space"); 251 } 252 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + EP_IOPORT_OFFSET, 253 EP_IOPORT_SIZE, 0, &ioh)) { 254 printf("\n"); 255 panic("ep_eisa_attach: can't map i/o space"); 256 } 257 258 sc->sc_dev = self; 259 sc->sc_ioh = ioh; 260 sc->sc_iot = iot; 261 262 bus_space_write_1(iot, ioh_cfg, EP_EISA_CFG_CONTROL, EISA_ENABLE); 263 delay(4000); 264 265 /* Read the IRQ from the card. */ 266 irq = bus_space_read_2(iot, ioh_cfg, EP_EISA_CFG_RESOURCE) >> 12; 267 268 dce = eisa_compatible_lookup(ea, compat_data); 269 KASSERT(dce != NULL); 270 eep = dce->data; 271 272 /* we don't need access to the config registers any more, but 273 noone else should be able to map this space, so keep it 274 reserved? */ 275 #if 0 276 bus_space_unmap(iot, ioh_cfg, EP_EISA_CFG_SIZE); 277 #endif 278 279 printf(": %s\n", eep->name); 280 281 sc->enable = NULL; 282 sc->disable = NULL; 283 sc->enabled = 1; 284 285 sc->bustype = ELINK_BUS_EISA; 286 sc->ep_flags = eep->flags; 287 288 if (eisa_intr_map(ec, irq, &ih)) { 289 aprint_error_dev(sc->sc_dev, "couldn't map interrupt (%u)\n", 290 irq); 291 return; 292 } 293 intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf)); 294 sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET, 295 epintr, sc); 296 if (sc->sc_ih == NULL) { 297 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); 298 if (intrstr != NULL) 299 aprint_error(" at %s", intrstr); 300 aprint_error("\n"); 301 return; 302 } 303 if (intrstr != NULL) 304 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 305 306 epconfig(sc, eep->chipset, NULL); 307 } 308
Indexes created Sun Sep 21 18:09:52 GMT 2025