/* $NetBSD: if_ep_pci.c,v 1.51 2009/11/26 15:17:09 njoly Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1997 Jonathan Stone * Copyright (c) 1994 Herb Peyerl * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Herb Peyerl. * 4. The name of Herb Peyerl may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.51 2009/11/26 15:17:09 njoly Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * PCI constants. */ #define PCI_CBIO 0x10 /* Configuration Base IO Address */ static int ep_pci_match(device_t , cfdata_t, void *); static void ep_pci_attach(device_t , device_t , void *); CFATTACH_DECL_NEW(ep_pci, sizeof(struct ep_softc), ep_pci_match, ep_pci_attach, NULL, NULL); static struct ep_pci_product { u_int32_t epp_prodid; /* PCI product ID */ u_short epp_chipset; /* 3Com chipset used */ int epp_flags; /* initial softc flags */ const char *epp_name; /* device name */ } ep_pci_products[] = { { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX, 0, "3c590 Ethernet" }, /* * Note: The 3c595-MII is an MII connector for an * external PHY. We treat it as `manual' in the * core driver. */ { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX, 0, "3c595-TX 10/100 Ethernet" }, { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX, 0, "3c595-T4 10/100 Ethernet" }, { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX, 0, "3c595-MII 10/100 Ethernet" }, { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG, 0, "3c900-TPO Ethernet" }, { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG, 0, "3c900-COMBO Ethernet" }, { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG, ELINK_FLAGS_MII, "3c905-TX 10/100 Ethernet" }, { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG, ELINK_FLAGS_MII, "3c905-T4 10/100 Ethernet" }, { 0, 0, 0, NULL }, }; static const struct ep_pci_product * ep_pci_lookup(const struct pci_attach_args *pa) { struct ep_pci_product *epp; if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) return (NULL); for (epp = ep_pci_products; epp->epp_name != NULL; epp++) if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) return (epp); return (NULL); } static int ep_pci_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *) aux; if (ep_pci_lookup(pa) != NULL) return (1); return (0); } static void ep_pci_attach(device_t parent, device_t self, void *aux) { struct ep_softc *sc = device_private(self); struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; pci_intr_handle_t ih; const struct ep_pci_product *epp; const char *intrstr = NULL; aprint_naive(": Ethernet controller\n"); if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { aprint_error(": can't map i/o space\n"); return; } epp = ep_pci_lookup(pa); if (epp == NULL) { printf("\n"); panic("ep_pci_attach: impossible"); } aprint_normal(": 3Com %s\n", epp->epp_name); sc->sc_dev = self; sc->enable = NULL; sc->disable = NULL; sc->enabled = 1; sc->bustype = ELINK_BUS_PCI; sc->ep_flags = epp->epp_flags; /* Enable the card. */ pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | PCI_COMMAND_MASTER_ENABLE); /* Map and establish the interrupt. */ if (pci_intr_map(pa, &ih)) { aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n"); return; } intrstr = pci_intr_string(pc, ih); sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); if (sc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); return; } aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); epconfig(sc, epp->epp_chipset, NULL); }