if_ex_pci.c revision 1.12.4.3
1 /* $NetBSD: if_ex_pci.c,v 1.12.4.3 2002/01/01 12:21:38 he 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 Frank van der Linden; Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, 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 "opt_inet.h" 41 #include "opt_ns.h" 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/syslog.h> 51 #include <sys/select.h> 52 #include <sys/device.h> 53 54 #include <net/if.h> 55 #include <net/if_dl.h> 56 #include <net/if_ether.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/in_systm.h> 62 #include <netinet/in_var.h> 63 #include <netinet/ip.h> 64 #include <netinet/if_inarp.h> 65 #endif 66 67 #ifdef NS 68 #include <netns/ns.h> 69 #include <netns/ns_if.h> 70 #endif 71 72 #if NBPFILTER > 0 73 #include <net/bpf.h> 74 #include <net/bpfdesc.h> 75 #endif 76 77 #include <machine/cpu.h> 78 #include <machine/bus.h> 79 #include <machine/intr.h> 80 81 #include <dev/mii/miivar.h> 82 #include <dev/mii/mii.h> 83 84 #include <dev/ic/elink3var.h> 85 #include <dev/ic/elink3reg.h> 86 #include <dev/ic/elinkxlreg.h> 87 #include <dev/ic/elinkxlvar.h> 88 89 #include <dev/pci/pcivar.h> 90 #include <dev/pci/pcireg.h> 91 #include <dev/pci/pcidevs.h> 92 93 struct ex_pci_softc { 94 struct ex_softc sc_ex; 95 96 /* PCI function status space. 556,556B requests it. */ 97 bus_space_tag_t sc_funct; 98 bus_space_handle_t sc_funch; 99 100 }; 101 102 /* 103 * PCI constants. 104 * XXX These should be in a common file! 105 */ 106 #define PCI_CONN 0x48 /* Connector type */ 107 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 108 #define PCI_POWERCTL 0xe0 109 #define PCI_FUNCMEM 0x18 110 111 #define PCI_INTR 4 112 #define PCI_INTRACK 0x00008000 113 114 int ex_pci_match __P((struct device *, struct cfdata *, void *)); 115 void ex_pci_attach __P((struct device *, struct device *, void *)); 116 void ex_pci_intr_ack __P((struct ex_softc *)); 117 118 struct cfattach ex_pci_ca = { 119 sizeof(struct ex_pci_softc), ex_pci_match, ex_pci_attach 120 }; 121 122 const struct ex_pci_product { 123 u_int32_t epp_prodid; /* PCI product ID */ 124 int epp_flags; /* initial softc flags */ 125 const char *epp_name; /* device name */ 126 } ex_pci_products[] = { 127 { PCI_PRODUCT_3COM_3C900TPO, 0, 128 "3c900-TPO Ethernet" }, 129 { PCI_PRODUCT_3COM_3C900COMBO, 0, 130 "3c900-COMBO Ethernet" }, 131 132 { PCI_PRODUCT_3COM_3C905TX, EX_CONF_MII, 133 "3c905-TX 10/100 Ethernet" }, 134 { PCI_PRODUCT_3COM_3C905T4, EX_CONF_MII, 135 "3c905-T4 10/100 Ethernet" }, 136 137 { PCI_PRODUCT_3COM_3C900BTPO, EX_CONF_90XB, 138 "3c900B-TPO Ethernet" }, 139 { PCI_PRODUCT_3COM_3C900BCOMBO, EX_CONF_90XB, 140 "3c900B-COMBO Ethernet" }, 141 { PCI_PRODUCT_3COM_3C900BTPC, EX_CONF_90XB, 142 "3c900B-TPC Ethernet" }, 143 144 { PCI_PRODUCT_3COM_3C905BTX, EX_CONF_90XB|EX_CONF_MII|EX_CONF_INTPHY, 145 "3c905B-TX 10/100 Ethernet" }, 146 { PCI_PRODUCT_3COM_3C905BT4, EX_CONF_90XB|EX_CONF_MII, 147 "3c905B-T4 10/100 Ethernet" }, 148 { PCI_PRODUCT_3COM_3C905BCOMBO, EX_CONF_90XB/*|EX_CONF_MII|EX_CONF_INTPHY*/, 149 "3c905B-COMBO 10/100 Ethernet" }, 150 { PCI_PRODUCT_3COM_3C905BFX, EX_CONF_90XB, 151 "3c905B-FX 10/100 Ethernet" }, 152 153 /* XXX Internal PHY? */ 154 { PCI_PRODUCT_3COM_3C980SRV, EX_CONF_90XB, 155 "3c980 Server Adapter 10/100 Ethernet" }, 156 { PCI_PRODUCT_3COM_3C980CTXM, EX_CONF_90XB, 157 "3c980C-TXM 10/100 Ethernet" }, 158 159 { PCI_PRODUCT_3COM_3C905CTX, EX_CONF_90XB|EX_CONF_MII, 160 "3c905C-TX 10/100 Ethernet with mngmt" }, 161 162 { PCI_PRODUCT_3COM_3C450TX, EX_CONF_90XB, 163 "3c450-TX 10/100 Ethernet" }, 164 165 { PCI_PRODUCT_3COM_3CSOHO100TX, EX_CONF_90XB, 166 "3cSOHO100-TX 10/100 Ethernet" }, 167 168 { PCI_PRODUCT_3COM_3C555, 169 EX_CONF_90XB | EX_CONF_MII | EX_CONF_EEPROM_OFF | 170 EX_CONF_EEPROM_8BIT, 171 "3c555 MiniPCI 10/100 Ethernet" }, 172 173 { PCI_PRODUCT_3COM_3C556, 174 EX_CONF_90XB | EX_CONF_MII | EX_CONF_EEPROM_OFF | 175 EX_CONF_PCI_FUNCREG | EX_CONF_RESETHACK | EX_CONF_INV_LED_POLARITY | 176 EX_CONF_PHY_POWER | EX_CONF_EEPROM_8BIT, 177 "3c556 MiniPCI 10/100 Ethernet" }, 178 179 { PCI_PRODUCT_3COM_3C556B, 180 EX_CONF_90XB | EX_CONF_MII | EX_CONF_EEPROM_OFF | 181 EX_CONF_PCI_FUNCREG | EX_CONF_RESETHACK | EX_CONF_INV_LED_POLARITY | 182 EX_CONF_PHY_POWER, 183 "3c556B MiniPCI 10/100 Ethernet" }, 184 185 { 0, 0, 186 NULL }, 187 }; 188 189 const struct ex_pci_product *ex_pci_lookup 190 __P((const struct pci_attach_args *)); 191 192 const struct ex_pci_product * 193 ex_pci_lookup(pa) 194 const struct pci_attach_args *pa; 195 { 196 const struct ex_pci_product *epp; 197 198 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 199 return (NULL); 200 201 for (epp = ex_pci_products; epp->epp_name != NULL; epp++) 202 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 203 return (epp); 204 return (NULL); 205 } 206 207 int 208 ex_pci_match(parent, match, aux) 209 struct device *parent; 210 struct cfdata *match; 211 void *aux; 212 { 213 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 214 215 if (ex_pci_lookup(pa) != NULL) 216 return (2); /* beat ep_pci */ 217 218 return (0); 219 } 220 221 void 222 ex_pci_attach(parent, self, aux) 223 struct device *parent, *self; 224 void *aux; 225 { 226 struct ex_softc *sc = (void *)self; 227 struct ex_pci_softc *psc = (void *)self; 228 struct pci_attach_args *pa = aux; 229 pci_chipset_tag_t pc = pa->pa_pc; 230 pci_intr_handle_t ih; 231 const struct ex_pci_product *epp; 232 const char *intrstr = NULL; 233 int rev, pmreg; 234 pcireg_t reg; 235 236 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 237 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 238 printf(": can't map i/o space\n"); 239 return; 240 } 241 242 epp = ex_pci_lookup(pa); 243 if (epp == NULL) { 244 printf("\n"); 245 panic("ex_pci_attach: impossible"); 246 } 247 248 rev = PCI_REVISION(pci_conf_read(pc, pa->pa_tag, PCI_CLASS_REG)); 249 printf(": 3Com %s (rev. 0x%x)\n", epp->epp_name, rev); 250 251 sc->enable = NULL; 252 sc->disable = NULL; 253 sc->enabled = 1; 254 255 sc->sc_dmat = pa->pa_dmat; 256 257 sc->ex_bustype = EX_BUS_PCI; 258 sc->ex_conf = epp->epp_flags; 259 260 /* Enable the card. */ 261 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 262 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 263 PCI_COMMAND_MASTER_ENABLE); 264 265 if (sc->ex_conf & EX_CONF_PCI_FUNCREG) { 266 /* Map PCI function status window. */ 267 if (pci_mapreg_map(pa, PCI_FUNCMEM, PCI_MAPREG_TYPE_MEM, 0, 268 &psc->sc_funct, &psc->sc_funch, NULL, NULL)) { 269 printf("%s: unable to map function status window\n", 270 sc->sc_dev.dv_xname); 271 return; 272 } 273 sc->intr_ack = ex_pci_intr_ack; 274 } 275 276 /* Get it out of power save mode if needed (BIOS bugs) */ 277 if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, &pmreg, 0)) { 278 reg = pci_conf_read(pc, pa->pa_tag, pmreg + 4) & 0x3; 279 if (reg == 3) { 280 /* 281 * The card has lost all configuration data in 282 * this state, so punt. 283 */ 284 printf("%s: unable to wake up from power state D3\n", 285 sc->sc_dev.dv_xname); 286 return; 287 } 288 if (reg != 0) { 289 printf("%s: waking up from power state D%d\n", 290 sc->sc_dev.dv_xname, reg); 291 pci_conf_write(pc, pa->pa_tag, pmreg + 4, 0); 292 } 293 } 294 295 /* Map and establish the interrupt. */ 296 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 297 pa->pa_intrline, &ih)) { 298 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 299 return; 300 } 301 302 intrstr = pci_intr_string(pc, ih); 303 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, ex_intr, sc); 304 if (sc->sc_ih == NULL) { 305 printf("%s: couldn't establish interrupt", 306 sc->sc_dev.dv_xname); 307 if (intrstr != NULL) 308 printf(" at %s", intrstr); 309 printf("\n"); 310 return; 311 } 312 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 313 314 ex_config(sc); 315 316 if (sc->ex_conf & EX_CONF_PCI_FUNCREG) 317 bus_space_write_4(psc->sc_funct, psc->sc_funch, PCI_INTR, 318 PCI_INTRACK); 319 } 320 321 void 322 ex_pci_intr_ack(sc) 323 struct ex_softc *sc; 324 { 325 struct ex_pci_softc *psc = (struct ex_pci_softc *)sc; 326 327 bus_space_write_4(psc->sc_funct, psc->sc_funch, PCI_INTR, 328 PCI_INTRACK); 329 } 330
Indexes created Thu Sep 25 02:09:54 GMT 2025