if_ex_pci.c revision 1.8.2.2
1 /* $NetBSD: if_ex_pci.c,v 1.8.2.2 2001/01/05 17:36:06 bouyer 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 pci_chipset_tag_t sc_chiptag; 96 pcitag_t sc_pcitag; 97 }; 98 99 /* 100 * PCI constants. 101 * XXX These should be in a common file! 102 */ 103 #define PCI_CONN 0x48 /* Connector type */ 104 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 105 #define PCI_POWERCTL 0xe0 106 #define PCI_FUNCMEM 0x18 107 108 #define PCI_INTRACK 0x00008000 109 110 int ex_pci_match __P((struct device *, struct cfdata *, void *)); 111 void ex_pci_attach __P((struct device *, struct device *, void *)); 112 void ex_pci_intr_ack __P((struct ex_softc *)); 113 114 struct cfattach ex_pci_ca = { 115 sizeof(struct ex_pci_softc), ex_pci_match, ex_pci_attach 116 }; 117 118 const struct ex_pci_product { 119 u_int32_t epp_prodid; /* PCI product ID */ 120 int epp_flags; /* initial softc flags */ 121 const char *epp_name; /* device name */ 122 } ex_pci_products[] = { 123 { PCI_PRODUCT_3COM_3C900TPO, 0, 124 "3c900-TPO Ethernet" }, 125 { PCI_PRODUCT_3COM_3C900COMBO, 0, 126 "3c900-COMBO Ethernet" }, 127 128 { PCI_PRODUCT_3COM_3C905TX, EX_CONF_MII, 129 "3c905-TX 10/100 Ethernet" }, 130 { PCI_PRODUCT_3COM_3C905T4, EX_CONF_MII, 131 "3c905-T4 10/100 Ethernet" }, 132 133 { PCI_PRODUCT_3COM_3C900BTPO, EX_CONF_90XB, 134 "3c900B-TPO Ethernet" }, 135 { PCI_PRODUCT_3COM_3C900BCOMBO, EX_CONF_90XB, 136 "3c900B-COMBO Ethernet" }, 137 { PCI_PRODUCT_3COM_3C900BTPC, EX_CONF_90XB, 138 "3c900B-TPC Ethernet" }, 139 140 { PCI_PRODUCT_3COM_3C905BTX, EX_CONF_90XB|EX_CONF_MII|EX_CONF_INTPHY, 141 "3c905B-TX 10/100 Ethernet" }, 142 { PCI_PRODUCT_3COM_3C905BT4, EX_CONF_90XB|EX_CONF_MII, 143 "3c905B-T4 10/100 Ethernet" }, 144 { PCI_PRODUCT_3COM_3C905BCOMBO, EX_CONF_90XB/*|EX_CONF_MII|EX_CONF_INTPHY*/, 145 "3c905B-COMBO 10/100 Ethernet" }, 146 { PCI_PRODUCT_3COM_3C905BFX, EX_CONF_90XB, 147 "3c905B-FX 10/100 Ethernet" }, 148 149 /* XXX Internal PHY? */ 150 { PCI_PRODUCT_3COM_3C980SRV, EX_CONF_90XB, 151 "3c980 Server Adapter 10/100 Ethernet" }, 152 { PCI_PRODUCT_3COM_3C980CTXM, EX_CONF_90XB, 153 "3c980C-TXM 10/100 Ethernet" }, 154 155 { PCI_PRODUCT_3COM_3C905CTX, EX_CONF_90XB|EX_CONF_MII, 156 "3c905C-TX 10/100 Ethernet with mngmt" }, 157 158 { PCI_PRODUCT_3COM_3C450TX, EX_CONF_90XB, 159 "3c450-TX 10/100 Ethernet" }, 160 161 { PCI_PRODUCT_3COM_3CSOHO100TX, EX_CONF_90XB, 162 "3cSOHO100-TX 10/100 Ethernet" }, 163 164 { PCI_PRODUCT_3COM_3C555, 165 EX_CONF_90XB | EX_CONF_MII | EX_CONF_EEPROM_OFF | 166 EX_CONF_EEPROM_8BIT, 167 "3c555 MiniPCI 10/100 Ethernet" }, 168 169 { PCI_PRODUCT_3COM_3C556, 170 EX_CONF_90XB | EX_CONF_MII | EX_CONF_EEPROM_OFF | 171 EX_CONF_PCI_FUNCREG | EX_CONF_RESETHACK | EX_CONF_INV_LED_POLARITY | 172 EX_CONF_PHY_POWER | EX_CONF_EEPROM_8BIT, 173 "3c556 MiniPCI 10/100 Ethernet" }, 174 175 { PCI_PRODUCT_3COM_3C556B, 176 EX_CONF_90XB | EX_CONF_MII | EX_CONF_EEPROM_OFF | 177 EX_CONF_PCI_FUNCREG | EX_CONF_RESETHACK | EX_CONF_INV_LED_POLARITY | 178 EX_CONF_PHY_POWER, 179 "3c556B MiniPCI 10/100 Ethernet" }, 180 181 { 0, 0, 182 NULL }, 183 }; 184 185 const struct ex_pci_product *ex_pci_lookup 186 __P((const struct pci_attach_args *)); 187 188 const struct ex_pci_product * 189 ex_pci_lookup(pa) 190 const struct pci_attach_args *pa; 191 { 192 const struct ex_pci_product *epp; 193 194 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 195 return (NULL); 196 197 for (epp = ex_pci_products; epp->epp_name != NULL; epp++) 198 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 199 return (epp); 200 return (NULL); 201 } 202 203 int 204 ex_pci_match(parent, match, aux) 205 struct device *parent; 206 struct cfdata *match; 207 void *aux; 208 { 209 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 210 211 if (ex_pci_lookup(pa) != NULL) 212 return (2); /* beat ep_pci */ 213 214 return (0); 215 } 216 217 void 218 ex_pci_attach(parent, self, aux) 219 struct device *parent, *self; 220 void *aux; 221 { 222 struct ex_softc *sc = (void *)self; 223 struct ex_pci_softc *psc = (void *)self; 224 struct pci_attach_args *pa = aux; 225 pci_chipset_tag_t pc = pa->pa_pc; 226 pci_intr_handle_t ih; 227 const struct ex_pci_product *epp; 228 const char *intrstr = NULL; 229 int rev, pmreg; 230 pcireg_t reg; 231 232 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 233 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 234 printf(": can't map i/o space\n"); 235 return; 236 } 237 238 epp = ex_pci_lookup(pa); 239 if (epp == NULL) { 240 printf("\n"); 241 panic("ex_pci_attach: impossible"); 242 } 243 244 rev = PCI_REVISION(pci_conf_read(pc, pa->pa_tag, PCI_CLASS_REG)); 245 printf(": 3Com %s (rev. 0x%x)\n", epp->epp_name, rev); 246 247 sc->enable = NULL; 248 sc->disable = NULL; 249 sc->enabled = 1; 250 251 sc->sc_dmat = pa->pa_dmat; 252 253 sc->ex_bustype = EX_BUS_PCI; 254 sc->ex_conf = epp->epp_flags; 255 256 /* Enable the card. */ 257 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 258 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 259 PCI_COMMAND_MASTER_ENABLE); 260 261 /* Get it out of power save mode if needed (BIOS bugs) */ 262 if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, &pmreg, 0)) { 263 reg = pci_conf_read(pc, pa->pa_tag, pmreg + 4) & 0x3; 264 if (reg == 3) { 265 /* 266 * The card has lost all configuration data in 267 * this state, so punt. 268 */ 269 printf("%s: unable to wake up from power state D3\n", 270 sc->sc_dev.dv_xname); 271 return; 272 } 273 if (reg != 0) { 274 printf("%s: waking up from power state D%d\n", 275 sc->sc_dev.dv_xname, reg); 276 pci_conf_write(pc, pa->pa_tag, pmreg + 4, 0); 277 } 278 } 279 280 /* Map and establish the interrupt. */ 281 if (pci_intr_map(pa, &ih)) { 282 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 283 return; 284 } 285 286 if (sc->ex_conf & EX_CONF_PCI_FUNCREG) { 287 sc->intr_ack = ex_pci_intr_ack; 288 psc->sc_chiptag = pa->pa_pc; 289 psc->sc_pcitag = pa->pa_tag; 290 } 291 292 intrstr = pci_intr_string(pc, ih); 293 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, ex_intr, sc); 294 if (sc->sc_ih == NULL) { 295 printf("%s: couldn't establish interrupt", 296 sc->sc_dev.dv_xname); 297 if (intrstr != NULL) 298 printf(" at %s", intrstr); 299 printf("\n"); 300 return; 301 } 302 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 303 304 ex_config(sc); 305 } 306 307 void 308 ex_pci_intr_ack(sc) 309 struct ex_softc *sc; 310 { 311 struct ex_pci_softc *psc = (struct ex_pci_softc *)sc; 312 313 pci_conf_write(psc->sc_chiptag, psc->sc_pcitag, PCI_FUNCMEM + 4, 314 PCI_INTRACK); 315 } 316
Indexes created Wed Sep 24 22:09:59 GMT 2025