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/* $OpenBSD: pcib.c,v 1.3 2006/03/17 20:48:46 miod Exp $ */
/* $NetBSD: pcib.c,v 1.4 2003/01/01 01:25:34 thorpej Exp $ */
/*-
* Copyright (c) 1996, 1998 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 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.
*
* from: i386/pci/pcib.c,v 1.12
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/isa/isavar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include "isadma.h"
int pcibmatch (struct device *, void *, void *);
void pcibattach (struct device *, struct device *, void *);
struct cfattach pcib_ca = {
sizeof(struct device), pcibmatch, pcibattach
};
struct cfdriver pcib_cd = {
NULL, "pcib", DV_DULL
};
void pcib_callback (struct device *);
int pcib_print (void *, const char *);
int
pcibmatch(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct pci_attach_args *pa = aux;
/*
* Match tested PCI-ISA bridges.
*/
switch (PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_ALI:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_ALI_M1533:
case PCI_PRODUCT_ALI_M1543:
return (1);
}
break;
}
return (0);
}
void
pcibattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
printf("\n");
/* Set the ISA bus callback */
config_defer(self, pcib_callback);
}
void
pcib_callback(self)
struct device *self;
{
struct isabus_attach_args iba;
/*
* Attach the ISA bus behind this bridge.
*/
memset(&iba, 0, sizeof(iba));
iba.iba_busname = "isa";
iba.iba_iot = &isa_io_bs_tag;
iba.iba_memt = &isa_mem_bs_tag;
#if NISADMA > 0
iba.iba_dmat = &isa_bus_dma_tag;
#endif
config_found(self, &iba, pcib_print);
}
int
pcib_print(aux, pnp)
void *aux;
const char *pnp;
{
/* Only ISAs can attach to pcib's; easy. */
if (pnp)
printf("isa at %s", pnp);
return (UNCONF);
}
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