107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/* $NetBSD: pchb.c,v 1.1 2002/03/07 14:44:05 simonb Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Simon Burge for Wasabi Systems, Inc.
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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 for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* 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 WASABI SYSTEMS, INC
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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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#include <sys/types.h>
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#include <sys/device.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 pchb_match(struct device *, struct cfdata *, void *);
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static void pchb_attach(struct device *, struct device *, void *);
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struct cfattach pchb_ca = {
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sizeof(struct device), pchb_match, pchb_attach
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};
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static int pcifound = 0;
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static int
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pchb_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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/*
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* Match all known PCI host chipsets.
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*/
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if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
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PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_HOST) {
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switch (PCI_VENDOR(pa->pa_id)) {
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case PCI_VENDOR_GALILEO:
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switch (PCI_PRODUCT(pa->pa_id)) {
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case PCI_PRODUCT_GALILEO_GT64120:
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return (!pcifound);
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}
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break;
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}
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}
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return (0);
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}
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static void
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pchb_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pci_attach_args *pa = aux;
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char devinfo[256];
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printf("\n");
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pcifound++;
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/*
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* All we do is print out a description. Eventually, we
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* might want to add code that does something that's
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* possibly chipset-specific.
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*/
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_GALILEO &&
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_GALILEO_GT64120) {
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/* Bah, same product ID... */
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/*
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* XXX: Is the >= 0x10 test correct? The '120 doco
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* lists rev == 0x02 and the '120A doco lists
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* rev == 0x10.
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*/
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snprintf(devinfo, sizeof(devinfo),
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"Galileo Technology GT-64120%s System Controller",
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PCI_REVISION(pa->pa_class) >= 0x10 ? "A" : "");
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} else {
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pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
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}
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printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo,
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PCI_REVISION(pa->pa_class));
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}
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