/* $NetBSD: pchb.c,v 1.11 2012/10/27 17:17:51 chs Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pchb.c,v 1.11 2012/10/27 17:17:51 chs Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
static int pchb_match(device_t, cfdata_t, void *);
static void pchb_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(pchb, 0,
pchb_match, pchb_attach, NULL, NULL);
static bool pcifound;
static int
pchb_match(device_t parent, cfdata_t match, void *aux)
{
struct pci_attach_args *pa = aux;
/*
* Match all known PCI host chipsets.
*/
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_HOST) {
switch (PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_MARVELL:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_MARVELL_GT64120:
return (!pcifound);
}
break;
}
}
return (0);
}
static void
pchb_attach(device_t parent, device_t self, void *aux)
{
struct pci_attach_args *pa = aux;
char devinfo[256];
printf("\n");
pcifound = true;
/*
* All we do is print out a description. Eventually, we
* might want to add code that does something that's
* possibly chipset-specific.
*/
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_MARVELL &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_MARVELL_GT64120) {
/* Bah, same product ID... */
/*
* XXX: Is the >= 0x10 test correct? The '120 doco
* lists rev == 0x02 and the '120A doco lists
* rev == 0x10.
*/
snprintf(devinfo, sizeof(devinfo),
"Galileo Technology GT-64120%s System Controller",
PCI_REVISION(pa->pa_class) >= 0x10 ? "A" : "");
} else {
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo,
sizeof(devinfo));
}
printf("%s: %s (rev. 0x%02x)\n", device_xname(self), devinfo,
PCI_REVISION(pa->pa_class));
}