NetBSD/sys/arch/pmppc/pci/pchb.c

105 lines
3.4 KiB
C

/* $NetBSD: pchb.c,v 1.3 2002/10/02 04:11:37 thorpej Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 REGENTS 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.
*/
#include "pci.h"
#include "opt_pci.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/extent.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pciconf.h>
static int pchbmatch(struct device *, struct cfdata *, void *);
static void pchbattach(struct device *, struct device *, void *);
CFATTACH_DECL(pchb, sizeof(struct device),
pchbmatch, pchbattach, NULL, NULL);
static int
pchbmatch(struct device *parent, struct cfdata *cf, void *aux)
{
struct pci_attach_args *pa = aux;
u_int32_t class, id;
class = pa->pa_class;
id = pa->pa_id;
/*
* Match all known PCI host chipsets.
*/
if (PCI_CLASS(class) == PCI_CLASS_BRIDGE &&
PCI_SUBCLASS(class) == PCI_SUBCLASS_BRIDGE_HOST) {
switch (PCI_VENDOR(id)) {
case PCI_VENDOR_HEURICON:
switch (PCI_PRODUCT(id)) {
case PCI_PRODUCT_HEURICON_PMPPC:
return (1);
}
break;
}
}
return (0);
}
static void
pchbattach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
char devinfo[256];
printf("\n");
/*
* All we do is print out a description. Eventually, we
* might want to add code that does something that's
* possibly chipset-specific.
*/
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo,
PCI_REVISION(pa->pa_class));
}