diff options
author | mjacob <mjacob@FreeBSD.org> | 2000-03-18 08:00:13 +0000 |
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committer | mjacob <mjacob@FreeBSD.org> | 2000-03-18 08:00:13 +0000 |
commit | 0ad839b4bffbdb2621cdfedb64977e0fbbd363ec (patch) | |
tree | 3ea8548717af0ffa29a1f539f4122045571ab0b5 /sys | |
parent | 39774c0cfa67ffc5f53e844d55468471cea06f51 (diff) | |
download | FreeBSD-src-0ad839b4bffbdb2621cdfedb64977e0fbbd363ec.zip FreeBSD-src-0ad839b4bffbdb2621cdfedb64977e0fbbd363ec.tar.gz |
Alpha 8200: Add in a dummy child of dwlpx so that we can make the leap
from DWLPX to PCI space. Just a methods holder such that we have a parent
which is a "pcib" and we create a child which is a "pci". Add the appropriate
ivar code (which is for a hose #).
Diffstat (limited to 'sys')
-rw-r--r-- | sys/alpha/pci/dwlpx_pci.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sys/alpha/pci/dwlpx_pci.c b/sys/alpha/pci/dwlpx_pci.c new file mode 100644 index 0000000..dd8612f --- /dev/null +++ b/sys/alpha/pci/dwlpx_pci.c @@ -0,0 +1,80 @@ +/* $FreeBSD$ */ +/* + * Copyright (c) 2000 Matthew Jacob + * 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, 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/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 +dwlpx_pcib_probe(device_t dev) +{ + device_set_desc(dev, "DWLPX PCI host bus adapter"); + device_add_child(dev, "pci", -1); + return (0); +} + +static int +dwlpx_pcib_read_ivar(device_t dev, device_t child, int which, u_long *result) +{ + if (which == PCIB_IVAR_HOSE) { + *result = *(int*) device_get_ivars(dev); + return 0; + } + return ENOENT; +} + +static device_method_t dwlpx_pcib_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, dwlpx_pcib_probe), + DEVMETHOD(device_attach, bus_generic_attach), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_read_ivar, dwlpx_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 dwlpx_pcib_driver = { + "pcib", dwlpx_pcib_methods, 1 +}; + +DRIVER_MODULE(pcib, dwlpx, dwlpx_pcib_driver, pcib_devclass, 0, 0); |