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freebsd/sys/alpha/pci/lca_pci.c
Andrew Gallatin aa6de8e012 Add support for multiple PCI "hoses" used on various alpha platforms.
The specific intent of this commit is to pave the way for importing
Compaq XP1000 support.  These changes should not affect the i386 port.

Reviewed by: Doug Rabson <dfr@nlsystems.com>
(actually, he walked me through most of it & deserves more than reviewd-by
credit )
1999-05-20 15:33:33 +00:00

85 lines
2.7 KiB
C

/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPELCAL, 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.
*
* $Id: lca_pci.c,v 1.2 1999/05/08 21:58:43 dfr Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <pci/pcivar.h>
static devclass_t pcib_devclass;
static int
lca_pcib_probe(device_t dev)
{
device_set_desc(dev, "21066 PCI host bus adapter");
device_add_child(dev, "pci", 0, 0);
return 0;
}
static int
lca_pcib_read_ivar(device_t dev, device_t child, int which, u_long *result)
{
if (which == PCIB_IVAR_HOSE) {
*result = 0;
return 0;
}
return ENOENT;
}
static device_method_t lca_pcib_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, lca_pcib_probe),
DEVMETHOD(device_attach, bus_generic_attach),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, lca_pcib_read_ivar),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t lca_pcib_driver = {
"pcib",
lca_pcib_methods,
1,
};
DRIVER_MODULE(pcib, lca, lca_pcib_driver, pcib_devclass, 0, 0);