1 /* $NetBSD: if_ep_pci.c,v 1.39 2002/10/02 16:51:22 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 <sys/cdefs.h> 72 __KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.39 2002/10/02 16:51:22 thorpej Exp $"); 73 74 #include <sys/param.h> 75 #include <sys/systm.h> 76 #include <sys/mbuf.h> 77 #include <sys/socket.h> 78 #include <sys/ioctl.h> 79 #include <sys/errno.h> 80 #include <sys/syslog.h> 81 #include <sys/select.h> 82 #include <sys/device.h> 83 84 #include <net/if.h> 85 #include <net/if_dl.h> 86 #include <net/if_ether.h> 87 #include <net/if_media.h> 88 89 #include <machine/cpu.h> 90 #include <machine/bus.h> 91 #include <machine/intr.h> 92 93 #include <dev/mii/miivar.h> 94 95 #include <dev/ic/elink3var.h> 96 #include <dev/ic/elink3reg.h> 97 98 #include <dev/pci/pcivar.h> 99 #include <dev/pci/pcireg.h> 100 #include <dev/pci/pcidevs.h> 101 102 /* 103 * PCI constants. 104 */ 105 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 106 107 int ep_pci_match __P((struct device *, struct cfdata *, void *)); 108 void ep_pci_attach __P((struct device *, struct device *, void *)); 109 110 CFATTACH_DECL(ep_pci, sizeof(struct ep_softc), 111 ep_pci_match, ep_pci_attach, NULL, NULL); 112 113 struct ep_pci_product { 114 u_int32_t epp_prodid; /* PCI product ID */ 115 u_short epp_chipset; /* 3Com chipset used */ 116 int epp_flags; /* initial softc flags */ 117 const char *epp_name; /* device name */ 118 } ep_pci_products[] = { 119 { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX, 120 0, 121 "3c590 Ethernet" }, 122 123 /* 124 * Note: The 3c595-MII is an MII connector for an 125 * external PHY. We treat it as `manual' in the 126 * core driver. 127 */ 128 { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX, 129 0, 130 "3c595-TX 10/100 Ethernet" }, 131 { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX, 132 0, 133 "3c595-T4 10/100 Ethernet" }, 134 { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX, 135 0, 136 "3c595-MII 10/100 Ethernet" }, 137 138 { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG, 139 0, 140 "3c900-TPO Ethernet" }, 141 { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG, 142 0, 143 "3c900-COMBO Ethernet" }, 144 145 { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG, 146 ELINK_FLAGS_MII, 147 "3c905-TX 10/100 Ethernet" }, 148 { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG, 149 ELINK_FLAGS_MII, 150 "3c905-T4 10/100 Ethernet" }, 151 152 { 0, 0, 153 0, NULL }, 154 }; 155 156 const struct ep_pci_product *ep_pci_lookup 157 __P((const struct pci_attach_args *)); 158 159 const struct ep_pci_product * 160 ep_pci_lookup(pa) 161 const struct pci_attach_args *pa; 162 { 163 struct ep_pci_product *epp; 164 165 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 166 return (NULL); 167 168 for (epp = ep_pci_products; epp->epp_name != NULL; epp++) 169 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 170 return (epp); 171 172 return (NULL); 173 } 174 175 int 176 ep_pci_match(parent, match, aux) 177 struct device *parent; 178 struct cfdata *match; 179 void *aux; 180 { 181 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 182 183 if (ep_pci_lookup(pa) != NULL) 184 return (1); 185 186 return (0); 187 } 188 189 void 190 ep_pci_attach(parent, self, aux) 191 struct device *parent, *self; 192 void *aux; 193 { 194 struct ep_softc *sc = (void *)self; 195 struct pci_attach_args *pa = aux; 196 pci_chipset_tag_t pc = pa->pa_pc; 197 pci_intr_handle_t ih; 198 const struct ep_pci_product *epp; 199 const char *intrstr = NULL; 200 201 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 202 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 203 printf(": can't map i/o space\n"); 204 return; 205 } 206 207 epp = ep_pci_lookup(pa); 208 if (epp == NULL) { 209 printf("\n"); 210 panic("ep_pci_attach: impossible"); 211 } 212 213 printf(": 3Com %s\n", epp->epp_name); 214 215 sc->enable = NULL; 216 sc->disable = NULL; 217 sc->enabled = 1; 218 219 sc->bustype = ELINK_BUS_PCI; 220 sc->ep_flags = epp->epp_flags; 221 222 /* Enable the card. */ 223 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 224 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 225 PCI_COMMAND_MASTER_ENABLE); 226 227 /* Map and establish the interrupt. */ 228 if (pci_intr_map(pa, &ih)) { 229 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 230 return; 231 } 232 intrstr = pci_intr_string(pc, ih); 233 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); 234 if (sc->sc_ih == NULL) { 235 printf("%s: couldn't establish interrupt", 236 sc->sc_dev.dv_xname); 237 if (intrstr != NULL) 238 printf(" at %s", intrstr); 239 printf("\n"); 240 return; 241 } 242 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 243 244 epconfig(sc, epp->epp_chipset, NULL); 245 } 246