181 lines
4.6 KiB
C
181 lines
4.6 KiB
C
/*-
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* Copyright 2008 by Nathan Whitehorn. All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/bus.h>
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#include <machine/intr_machdep.h>
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#include <machine/md_var.h>
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#include <machine/pio.h>
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#include <machine/resource.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <sys/rman.h>
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#include <machine/openpicvar.h>
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#include "pic_if.h"
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/*
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* Mambo interface
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*/
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static int openpic_mambo_probe(device_t);
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static uint32_t openpic_mambo_id(device_t dev);
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static int openpicbus_mambo_probe(device_t dev);
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static int openpicbus_mambo_attach(device_t dev);
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static struct resource *openpicbus_alloc_resource(device_t bus, device_t dev,
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int type, int *rid, u_long start, u_long end, u_long count,
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u_int flags);
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static device_method_t openpicbus_mambo_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, openpicbus_mambo_probe),
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DEVMETHOD(device_attach, openpicbus_mambo_attach),
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/* Bus interface */
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DEVMETHOD(bus_alloc_resource, openpicbus_alloc_resource),
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{0,0}
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};
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struct openpicbus_softc {
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vm_offset_t picaddr;
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};
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static driver_t openpicbus_mambo_driver = {
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"openpicbus",
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openpicbus_mambo_methods,
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sizeof(struct openpicbus_softc),
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};
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static device_method_t openpic_mambo_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, openpic_mambo_probe),
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DEVMETHOD(device_attach, openpic_attach),
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/* PIC interface */
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DEVMETHOD(pic_config, openpic_config),
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DEVMETHOD(pic_dispatch, openpic_dispatch),
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DEVMETHOD(pic_enable, openpic_enable),
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DEVMETHOD(pic_eoi, openpic_eoi),
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DEVMETHOD(pic_ipi, openpic_ipi),
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DEVMETHOD(pic_mask, openpic_mask),
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DEVMETHOD(pic_unmask, openpic_unmask),
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DEVMETHOD(pic_id, openpic_mambo_id),
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{ 0, 0 },
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};
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static driver_t openpic_mambo_driver = {
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"openpic",
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openpic_mambo_methods,
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sizeof(struct openpic_softc),
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};
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static devclass_t openpicbus_devclass;
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DRIVER_MODULE(openpicbus, nexus, openpicbus_mambo_driver,
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openpicbus_devclass, 0, 0);
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DRIVER_MODULE(openpic, openpicbus, openpic_mambo_driver,
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openpic_devclass, 0, 0);
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static int
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openpicbus_mambo_probe(device_t dev)
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{
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const char *type = ofw_bus_get_type(dev);
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if (type == NULL || strcmp(type, "open-pic") != 0)
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return (ENXIO);
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device_set_desc(dev, "Mambo OpenPIC Container");
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return (0);
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}
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static int
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openpicbus_mambo_attach(device_t dev)
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{
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uint64_t picaddr;
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phandle_t nexus;
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struct openpicbus_softc *sc;
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sc = device_get_softc(dev);
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nexus = OF_parent(ofw_bus_get_node(dev));
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OF_getprop(nexus,"platform-open-pic",
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&picaddr,sizeof(picaddr));
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sc->picaddr = picaddr;
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device_add_child(dev,"openpic",-1);
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return (bus_generic_attach(dev));
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}
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static struct resource *
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openpicbus_alloc_resource(device_t bus, device_t dev, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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struct openpicbus_softc *sc;
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sc = device_get_softc(bus);
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count = 0x40000;
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start = sc->picaddr;
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end = start + count;
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return (bus_alloc_resource(bus, type, rid, start, end, count, flags));
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}
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static int
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openpic_mambo_probe(device_t dev)
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{
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device_set_desc(dev, OPENPIC_DEVSTR);
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return (0);
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}
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static uint32_t
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openpic_mambo_id(device_t dev)
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{
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return (ofw_bus_get_node(device_get_parent(dev)));
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}
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