232 lines
7.3 KiB
C
232 lines
7.3 KiB
C
/* $NetBSD: if_ep_pci.c,v 1.52 2011/07/26 20:51:24 dyoung Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org>
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* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Herb Peyerl.
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* 4. The name of Herb Peyerl may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.52 2011/07/26 20:51:24 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/select.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <sys/cpu.h>
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#include <sys/bus.h>
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#include <sys/intr.h>
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#include <dev/mii/miivar.h>
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#include <dev/ic/elink3var.h>
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#include <dev/ic/elink3reg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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/*
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* PCI constants.
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*/
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#define PCI_CBIO PCI_BAR(0) /* Configuration Base IO Address */
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static int ep_pci_match(device_t , cfdata_t, void *);
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static void ep_pci_attach(device_t , device_t , void *);
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CFATTACH_DECL_NEW(ep_pci, sizeof(struct ep_softc),
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ep_pci_match, ep_pci_attach, NULL, NULL);
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static struct ep_pci_product {
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u_int32_t epp_prodid; /* PCI product ID */
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u_short epp_chipset; /* 3Com chipset used */
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int epp_flags; /* initial softc flags */
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const char *epp_name; /* device name */
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} ep_pci_products[] = {
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{ PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX,
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0,
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"3c590 Ethernet" },
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/*
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* Note: The 3c595-MII is an MII connector for an
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* external PHY. We treat it as `manual' in the
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* core driver.
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*/
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{ PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX,
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0,
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"3c595-TX 10/100 Ethernet" },
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{ PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX,
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0,
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"3c595-T4 10/100 Ethernet" },
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{ PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX,
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0,
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"3c595-MII 10/100 Ethernet" },
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{ PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG,
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0,
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"3c900-TPO Ethernet" },
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{ PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG,
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0,
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"3c900-COMBO Ethernet" },
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{ PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG,
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ELINK_FLAGS_MII,
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"3c905-TX 10/100 Ethernet" },
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{ PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG,
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ELINK_FLAGS_MII,
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"3c905-T4 10/100 Ethernet" },
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{ 0, 0,
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0, NULL },
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};
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static const struct ep_pci_product *
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ep_pci_lookup(const struct pci_attach_args *pa)
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{
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struct ep_pci_product *epp;
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if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
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return (NULL);
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for (epp = ep_pci_products; epp->epp_name != NULL; epp++)
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if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid)
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return (epp);
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return (NULL);
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}
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static int
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ep_pci_match(device_t parent, cfdata_t match, void *aux)
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{
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struct pci_attach_args *pa = (struct pci_attach_args *) aux;
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if (ep_pci_lookup(pa) != NULL)
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return (1);
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return (0);
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}
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static void
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ep_pci_attach(device_t parent, device_t self, void *aux)
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{
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struct ep_softc *sc = device_private(self);
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struct pci_attach_args *pa = aux;
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pci_chipset_tag_t pc = pa->pa_pc;
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pci_intr_handle_t ih;
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const struct ep_pci_product *epp;
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const char *intrstr = NULL;
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aprint_naive(": Ethernet controller\n");
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if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
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&sc->sc_iot, &sc->sc_ioh, NULL, NULL)) {
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aprint_error(": can't map i/o space\n");
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return;
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}
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epp = ep_pci_lookup(pa);
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if (epp == NULL) {
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printf("\n");
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panic("ep_pci_attach: impossible");
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}
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aprint_normal(": 3Com %s\n", epp->epp_name);
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sc->sc_dev = self;
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sc->enable = NULL;
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sc->disable = NULL;
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sc->enabled = 1;
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sc->bustype = ELINK_BUS_PCI;
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sc->ep_flags = epp->epp_flags;
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/* Enable the card. */
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pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
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pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
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PCI_COMMAND_MASTER_ENABLE);
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/* Map and establish the interrupt. */
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if (pci_intr_map(pa, &ih)) {
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aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
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return;
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}
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intrstr = pci_intr_string(pc, ih);
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sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
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if (sc->sc_ih == NULL) {
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aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
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if (intrstr != NULL)
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aprint_error(" at %s", intrstr);
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aprint_error("\n");
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return;
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}
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aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
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epconfig(sc, epp->epp_chipset, NULL);
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}
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