NetBSD/sys/arch/i386/pci/p64h2apic.c

102 lines
3.4 KiB
C

/* $NetBSD: p64h2apic.c,v 1.5 2003/07/14 22:13:10 lukem Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Bill Sommerfeld.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
/*
* Driver for P64H2 IOxAPIC
*
* This is an ioapic which appears in PCI space.
* This driver currently does nothing useful but will eventually
* thwak the ioapic into working correctly.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: p64h2apic.c,v 1.5 2003/07/14 22:13:10 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
static int p64h2match __P((struct device *, struct cfdata *, void *));
static void p64h2attach __P((struct device *, struct device *, void *));
struct p64h2apic_softc {
struct device sc_dev;
pcitag_t sc_tag;
};
CFATTACH_DECL(p64h2apic, sizeof(struct p64h2apic_softc),
p64h2match, p64h2attach, NULL, NULL);
int p64h2print __P((void *, const char *pnp));
static int
p64h2match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC)
return (1);
return (0);
}
static void
p64h2attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct p64h2apic_softc *sc = (void *) self;
struct pci_attach_args *pa = aux;
char devinfo[256];
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
sc->sc_tag = pa->pa_tag;
}