90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/* $NetBSD: p64h2apic.c,v 1.14 2008/07/09 20:45:33 joerg Exp $ */
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/*-
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* Copyright (c) 2002 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 Bill Sommerfeld.
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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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* Driver for P64H2 IOxAPIC
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*
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* This is an ioapic which appears in PCI space.
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* This driver currently does nothing useful but will eventually
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* thwak the ioapic into working correctly.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: p64h2apic.c,v 1.14 2008/07/09 20:45:33 joerg Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.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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static int p64h2match(struct device *, struct cfdata *, void *);
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static void p64h2attach(struct device *, struct device *, void *);
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struct p64h2apic_softc {
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pcitag_t sc_tag;
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};
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CFATTACH_DECL_NEW(p64h2apic, sizeof(struct p64h2apic_softc),
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p64h2match, p64h2attach, NULL, NULL);
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static int
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p64h2match(device_t parent, cfdata_t match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL &&
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC)
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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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p64h2attach(device_t parent, device_t self, void *aux)
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{
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struct p64h2apic_softc *sc = device_private(self);
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struct pci_attach_args *pa = aux;
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char devinfo[256];
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aprint_naive("\n");
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aprint_normal("\n");
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pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
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aprint_normal_dev(self, "%s (rev. 0x%02x)\n", devinfo,
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PCI_REVISION(pa->pa_class));
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sc->sc_tag = pa->pa_tag;
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}
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