1 /* $NetBSD: if_ep_pci.c,v 1.36 2001/11/13 07:48:43 lukem 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 1.36 2001/11/13 07:48:43 lukem 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 struct cfattach ep_pci_ca = { 111 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach 112 }; 113 114 struct ep_pci_product { 115 u_int32_t epp_prodid; /* PCI product ID */ 116 u_short epp_chipset; /* 3Com chipset used */ 117 int epp_flags; /* initial softc flags */ 118 const char *epp_name; /* device name */ 119 } ep_pci_products[] = { 120 { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX, 121 0, 122 "3c590 Ethernet" }, 123 124 /* 125 * Note: The 3c595-MII is an MII connector for an 126 * external PHY. We treat it as `manual' in the 127 * core driver. 128 */ 129 { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX, 130 0, 131 "3c595-TX 10/100 Ethernet" }, 132 { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX, 133 0, 134 "3c595-T4 10/100 Ethernet" }, 135 { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX, 136 0, 137 "3c595-MII 10/100 Ethernet" }, 138 139 { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG, 140 0, 141 "3c900-TPO Ethernet" }, 142 { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG, 143 0, 144 "3c900-COMBO Ethernet" }, 145 146 { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG, 147 ELINK_FLAGS_MII, 148 "3c905-TX 10/100 Ethernet" }, 149 { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG, 150 ELINK_FLAGS_MII, 151 "3c905-T4 10/100 Ethernet" }, 152 153 { 0, 0, 154 0, NULL }, 155 }; 156 157 const struct ep_pci_product *ep_pci_lookup 158 __P((const struct pci_attach_args *)); 159 160 const struct ep_pci_product * 161 ep_pci_lookup(pa) 162 const struct pci_attach_args *pa; 163 { 164 struct ep_pci_product *epp; 165 166 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 167 return (NULL); 168 169 for (epp = ep_pci_products; epp->epp_name != NULL; epp++) 170 if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) 171 return (epp); 172 173 return (NULL); 174 } 175 176 int 177 ep_pci_match(parent, match, aux) 178 struct device *parent; 179 struct cfdata *match; 180 void *aux; 181 { 182 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 183 184 if (ep_pci_lookup(pa) != NULL) 185 return (1); 186 187 return (0); 188 } 189 190 void 191 ep_pci_attach(parent, self, aux) 192 struct device *parent, *self; 193 void *aux; 194 { 195 struct ep_softc *sc = (void *)self; 196 struct pci_attach_args *pa = aux; 197 pci_chipset_tag_t pc = pa->pa_pc; 198 pci_intr_handle_t ih; 199 const struct ep_pci_product *epp; 200 const char *intrstr = NULL; 201 202 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 203 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 204 printf(": can't map i/o space\n"); 205 return; 206 } 207 208 epp = ep_pci_lookup(pa); 209 if (epp == NULL) { 210 printf("\n"); 211 panic("ep_pci_attach: impossible"); 212 } 213 214 printf(": 3Com %s\n", epp->epp_name); 215 216 sc->enable = NULL; 217 sc->disable = NULL; 218 sc->enabled = 1; 219 220 sc->bustype = ELINK_BUS_PCI; 221 sc->ep_flags = epp->epp_flags; 222 223 /* Enable the card. */ 224 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 225 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 226 PCI_COMMAND_MASTER_ENABLE); 227 228 /* Map and establish the interrupt. */ 229 if (pci_intr_map(pa, &ih)) { 230 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 231 return; 232 } 233 intrstr = pci_intr_string(pc, ih); 234 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); 235 if (sc->sc_ih == NULL) { 236 printf("%s: couldn't establish interrupt", 237 sc->sc_dev.dv_xname); 238 if (intrstr != NULL) 239 printf(" at %s", intrstr); 240 printf("\n"); 241 return; 242 } 243 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 244 245 epconfig(sc, epp->epp_chipset, NULL); 246 } 247