1 /* $NetBSD: if_ep_pci.c,v 1.41 2004/08/21 23:48:33 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 1.41 2004/08/21 23:48:33 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 static int ep_pci_match(struct device *, struct cfdata *, void *); 108 static void ep_pci_attach(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 static 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 static const struct ep_pci_product * 157 ep_pci_lookup(const struct pci_attach_args *pa) 158 { 159 struct ep_pci_product *epp; 160 161 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 162 return (NULL); 163 164 for (epp = ep_pci_products; epp->epp_name != NULL; epp++) 165 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 166 return (epp); 167 168 return (NULL); 169 } 170 171 static int 172 ep_pci_match(struct device *parent, struct cfdata *match, void *aux) 173 { 174 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 175 176 if (ep_pci_lookup(pa) != NULL) 177 return (1); 178 179 return (0); 180 } 181 182 static void 183 ep_pci_attach(struct device *parent, struct device *self, void *aux) 184 { 185 struct ep_softc *sc = (void *)self; 186 struct pci_attach_args *pa = aux; 187 pci_chipset_tag_t pc = pa->pa_pc; 188 pci_intr_handle_t ih; 189 const struct ep_pci_product *epp; 190 const char *intrstr = NULL; 191 192 aprint_naive(": Ethernet controller\n"); 193 194 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 195 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 196 aprint_error(": can't map i/o space\n"); 197 return; 198 } 199 200 epp = ep_pci_lookup(pa); 201 if (epp == NULL) { 202 printf("\n"); 203 panic("ep_pci_attach: impossible"); 204 } 205 206 aprint_normal(": 3Com %s\n", epp->epp_name); 207 208 sc->enable = NULL; 209 sc->disable = NULL; 210 sc->enabled = 1; 211 212 sc->bustype = ELINK_BUS_PCI; 213 sc->ep_flags = epp->epp_flags; 214 215 /* Enable the card. */ 216 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 217 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 218 PCI_COMMAND_MASTER_ENABLE); 219 220 /* Map and establish the interrupt. */ 221 if (pci_intr_map(pa, &ih)) { 222 aprint_error("%s: couldn't map interrupt\n", 223 sc->sc_dev.dv_xname); 224 return; 225 } 226 intrstr = pci_intr_string(pc, ih); 227 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); 228 if (sc->sc_ih == NULL) { 229 aprint_error("%s: couldn't establish interrupt", 230 sc->sc_dev.dv_xname); 231 if (intrstr != NULL) 232 aprint_normal(" at %s", intrstr); 233 aprint_normal("\n"); 234 return; 235 } 236 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 237 238 epconfig(sc, epp->epp_chipset, NULL); 239 } 240