1 /* $NetBSD: if_ep_pci.c,v 1.31 1998/11/09 23:12:48 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 * 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 * 4. The name of Herb Peyerl may not be used to endorse or promote products 57 * derived from this software without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 60 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 61 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 64 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 65 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 66 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 67 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 68 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 69 */ 70 71 #include "opt_inet.h" 72 #include "opt_ns.h" 73 #include "bpfilter.h" 74 75 #include <sys/param.h> 76 #include <sys/systm.h> 77 #include <sys/mbuf.h> 78 #include <sys/socket.h> 79 #include <sys/ioctl.h> 80 #include <sys/errno.h> 81 #include <sys/syslog.h> 82 #include <sys/select.h> 83 #include <sys/device.h> 84 85 #include <net/if.h> 86 #include <net/if_dl.h> 87 #include <net/if_ether.h> 88 #include <net/if_media.h> 89 90 #ifdef INET 91 #include <netinet/in.h> 92 #include <netinet/in_systm.h> 93 #include <netinet/in_var.h> 94 #include <netinet/ip.h> 95 #include <netinet/if_inarp.h> 96 #endif 97 98 #ifdef NS 99 #include <netns/ns.h> 100 #include <netns/ns_if.h> 101 #endif 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/pci/pcivar.h> 118 #include <dev/pci/pcireg.h> 119 #include <dev/pci/pcidevs.h> 120 121 /* 122 * PCI constants. 123 */ 124 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 125 126 int ep_pci_match __P((struct device *, struct cfdata *, void *)); 127 void ep_pci_attach __P((struct device *, struct device *, void *)); 128 129 struct cfattach ep_pci_ca = { 130 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach 131 }; 132 133 struct ep_pci_product { 134 u_int32_t epp_prodid; /* PCI product ID */ 135 u_short epp_chipset; /* 3Com chipset used */ 136 int epp_flags; /* initial softc flags */ 137 const char *epp_name; /* device name */ 138 } ep_pci_products[] = { 139 { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX, 140 0, "3c590" }, 141 142 /* 143 * Note: The 3c595-MII is an MII connector for an 144 * external PHY. We treat it as `manual' in the 145 * core driver. 146 */ 147 { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX, 148 0, "3c595-TX" }, 149 { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX, 150 0, "3c595-T4" }, 151 { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX, 152 0, "3c595-MII" }, 153 154 { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG, 155 0, "3c900-TPO" }, 156 { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG, 157 0, "3c900-COMBO" }, 158 159 { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG, 160 ELINK_FLAGS_MII, "3c905-TX" }, 161 { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG, 162 ELINK_FLAGS_MII, "3c905-T4" }, 163 164 { 0, 0, 165 0, NULL }, 166 }; 167 168 const struct ep_pci_product *ep_pci_lookup 169 __P((const struct pci_attach_args *)); 170 171 const struct ep_pci_product * 172 ep_pci_lookup(pa) 173 const struct pci_attach_args *pa; 174 { 175 struct ep_pci_product *epp; 176 177 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 178 return (NULL); 179 180 for (epp = ep_pci_products; epp->epp_name != NULL; epp++) 181 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 182 return (epp); 183 184 return (NULL); 185 } 186 187 int 188 ep_pci_match(parent, match, aux) 189 struct device *parent; 190 struct cfdata *match; 191 void *aux; 192 { 193 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 194 195 if (ep_pci_lookup(pa) != NULL) 196 return (1); 197 198 return (0); 199 } 200 201 void 202 ep_pci_attach(parent, self, aux) 203 struct device *parent, *self; 204 void *aux; 205 { 206 struct ep_softc *sc = (void *)self; 207 struct pci_attach_args *pa = aux; 208 pci_chipset_tag_t pc = pa->pa_pc; 209 pci_intr_handle_t ih; 210 const struct ep_pci_product *epp; 211 const char *intrstr = NULL; 212 213 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 214 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 215 printf(": can't map i/o space\n"); 216 return; 217 } 218 219 epp = ep_pci_lookup(pa); 220 if (epp == NULL) { 221 printf("\n"); 222 panic("ep_pci_attach: impossible"); 223 } 224 225 printf(": 3Com %s Ethernet\n", epp->epp_name); 226 227 sc->enable = NULL; 228 sc->disable = NULL; 229 sc->enabled = 1; 230 231 sc->bustype = ELINK_BUS_PCI; 232 sc->ep_flags = epp->epp_flags; 233 234 /* Enable the card. */ 235 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 236 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 237 PCI_COMMAND_MASTER_ENABLE); 238 239 /* Map and establish the interrupt. */ 240 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 241 pa->pa_intrline, &ih)) { 242 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 243 return; 244 } 245 intrstr = pci_intr_string(pc, ih); 246 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); 247 if (sc->sc_ih == NULL) { 248 printf("%s: couldn't establish interrupt", 249 sc->sc_dev.dv_xname); 250 if (intrstr != NULL) 251 printf(" at %s", intrstr); 252 printf("\n"); 253 return; 254 } 255 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 256 257 epconfig(sc, epp->epp_chipset, NULL); 258 } 259