259 lines
7.1 KiB
C
259 lines
7.1 KiB
C
/* $NetBSD: if_sf_pci.c,v 1.16 2008/04/28 20:23:55 martin Exp $ */
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/*-
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* Copyright (c) 2001 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.
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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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* PCI bus front-end for the Adaptec AIC-6915 (``Starfire'')
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* 10/100 Ethernet controller.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.16 2008/04/28 20:23:55 martin 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/malloc.h>
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#include <sys/kernel.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/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_media.h>
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#include <net/if_ether.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/aic6915reg.h>
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#include <dev/ic/aic6915var.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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struct sf_pci_softc {
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struct sf_softc sc_starfire; /* read Starfire softc */
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/* PCI-specific goo. */
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void *sc_ih; /* interrupt handle */
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};
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static int sf_pci_match(device_t, struct cfdata *, void *);
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static void sf_pci_attach(device_t, device_t, void *);
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CFATTACH_DECL(sf_pci, sizeof(struct sf_pci_softc),
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sf_pci_match, sf_pci_attach, NULL, NULL);
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struct sf_pci_product {
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uint32_t spp_vendor; /* PCI vendor ID */
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uint32_t spp_product; /* PCI product ID */
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const char *spp_name; /* product name */
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const struct sf_pci_product *spp_subsys; /* subsystm IDs */
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};
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static const struct sf_pci_product sf_subsys_adaptec[] = {
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/* ANA-62011 (rev 0) Single port 10/100 64-bit */
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{ PCI_VENDOR_ADP, 0x0008,
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"ANA-62011 (rev 0) 10/100 Ethernet", NULL },
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/* ANA-62011 (rev 1) Single port 10/100 64-bit */
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{ PCI_VENDOR_ADP, 0x0009,
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"ANA-62011 (rev 1) 10/100 Ethernet", NULL },
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/* ANA-62022 Dual port 10/100 64-bit */
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{ PCI_VENDOR_ADP, 0x0010,
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"ANA-62022 10/100 Ethernet", NULL },
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/* ANA-62044 (rev 0) Quad port 10/100 64-bit */
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{ PCI_VENDOR_ADP, 0x0018,
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"ANA-62044 (rev 0) 10/100 Ethernet", NULL },
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/* ANA-62044 (rev 1) Quad port 10/100 64-bit */
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{ PCI_VENDOR_ADP, 0x0019,
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"ANA-62044 (rev 1) 10/100 Ethernet", NULL },
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/* ANA-62020 Single port 100baseFX 64-bit */
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{ PCI_VENDOR_ADP, 0x0020,
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"ANA-62020 100baseFX Ethernet", NULL },
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/* ANA-69011 Single port 10/100 32-bit */
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{ PCI_VENDOR_ADP, 0x0028,
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"ANA-69011 10/100 Ethernet", NULL },
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{ 0, 0,
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NULL, NULL },
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};
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static const struct sf_pci_product sf_pci_products[] = {
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{ PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915,
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"AIC-6915 10/100 Ethernet", sf_subsys_adaptec },
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{ 0, 0,
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NULL, NULL },
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};
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static const struct sf_pci_product *
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sf_pci_lookup(const struct pci_attach_args *pa)
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{
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const struct sf_pci_product *spp, *subspp;
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pcireg_t subsysid;
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for (spp = sf_pci_products; spp->spp_name != NULL; spp++) {
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if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor &&
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PCI_PRODUCT(pa->pa_id) == spp->spp_product) {
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subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
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PCI_SUBSYS_ID_REG);
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for (subspp = spp->spp_subsys;
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subspp->spp_name != NULL; subspp++) {
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if (PCI_VENDOR(subsysid) ==
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subspp->spp_vendor ||
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PCI_PRODUCT(subsysid) ==
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subspp->spp_product) {
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return (subspp);
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}
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}
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return (spp);
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}
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}
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return (NULL);
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}
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static int
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sf_pci_match(device_t parent, struct cfdata *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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if (sf_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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sf_pci_attach(device_t parent, device_t self, void *aux)
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{
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struct sf_pci_softc *psc = device_private(self);
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struct sf_softc *sc = &psc->sc_starfire;
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struct pci_attach_args *pa = aux;
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pci_intr_handle_t ih;
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const char *intrstr = NULL;
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const struct sf_pci_product *spp;
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bus_space_tag_t iot, memt;
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bus_space_handle_t ioh, memh;
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pcireg_t reg;
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int error, ioh_valid, memh_valid;
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spp = sf_pci_lookup(pa);
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if (spp == NULL) {
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printf("\n");
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panic("sf_pci_attach: impossible");
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}
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printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class));
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/* power up chip */
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if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self, NULL)) &&
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error != EOPNOTSUPP) {
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aprint_error_dev(&sc->sc_dev, "cannot activate %d\n",
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error);
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return;
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}
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/*
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* Map the device.
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*/
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reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA);
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switch (reg) {
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case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
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case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
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memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA,
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reg, 0, &memt, &memh, NULL, NULL) == 0);
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break;
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default:
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memh_valid = 0;
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}
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ioh_valid = (pci_mapreg_map(pa,
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(reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ?
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SF_PCI_IOBA : SF_PCI_IOBA - 0x04,
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PCI_MAPREG_TYPE_IO, 0,
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&iot, &ioh, NULL, NULL) == 0);
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if (memh_valid) {
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sc->sc_st = memt;
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sc->sc_sh = memh;
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sc->sc_iomapped = 0;
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} else if (ioh_valid) {
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sc->sc_st = iot;
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sc->sc_sh = ioh;
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sc->sc_iomapped = 1;
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} else {
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aprint_error_dev(&sc->sc_dev, "unable to map device registers\n");
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return;
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}
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sc->sc_dmat = pa->pa_dmat;
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/* Make sure bus mastering is enabled. */
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pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
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pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
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PCI_COMMAND_MASTER_ENABLE);
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/*
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* Map and establish our interrupt.
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*/
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if (pci_intr_map(pa, &ih)) {
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aprint_error_dev(&sc->sc_dev, "unable to map interrupt\n");
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return;
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}
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intrstr = pci_intr_string(pa->pa_pc, ih);
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psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc);
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if (psc->sc_ih == NULL) {
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aprint_error_dev(&sc->sc_dev, "unable to establish interrupt");
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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return;
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}
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printf("%s: interrupting at %s\n", device_xname(&sc->sc_dev), intrstr);
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/*
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* Finish off the attach.
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*/
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sf_attach(sc);
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}
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