openpic_ofw.c revision 265959
129088Smarkm/*- 229088Smarkm * Copyright 2003 by Peter Grehan. All rights reserved. 329088Smarkm * 429088Smarkm * Redistribution and use in source and binary forms, with or without 529088Smarkm * modification, are permitted provided that the following conditions 629088Smarkm * are met: 729088Smarkm * 1. Redistributions of source code must retain the above copyright 829088Smarkm * notice, this list of conditions and the following disclaimer. 929088Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1029088Smarkm * notice, this list of conditions and the following disclaimer in the 1129088Smarkm * documentation and/or other materials provided with the distribution. 1229088Smarkm * 3. The name of the author may not be used to endorse or promote products 1329088Smarkm * derived from this software without specific prior written permission. 1429088Smarkm * 1529088Smarkm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1629088Smarkm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1729088Smarkm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1829088Smarkm * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1929088Smarkm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 2029088Smarkm * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 2129088Smarkm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 2229088Smarkm * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 2329088Smarkm * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2429088Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2529088Smarkm * SUCH DAMAGE. 2629088Smarkm * 2729088Smarkm */ 2829088Smarkm 2929088Smarkm#include <sys/cdefs.h> 3029088Smarkm__FBSDID("$FreeBSD: stable/10/sys/powerpc/ofw/openpic_ofw.c 265959 2014-05-13 17:12:07Z ian $"); 3129088Smarkm 3229088Smarkm#include <sys/param.h> 3329088Smarkm#include <sys/systm.h> 3484305Smarkm#include <sys/module.h> 3587139Smarkm#include <sys/bus.h> 3684305Smarkm#include <sys/conf.h> 3784305Smarkm#include <sys/kernel.h> 3829088Smarkm 3929088Smarkm#include <dev/ofw/ofw_bus.h> 4029088Smarkm#include <dev/ofw/ofw_bus_subr.h> 4129088Smarkm#include <dev/ofw/openfirm.h> 4229088Smarkm 4329088Smarkm#include <machine/bus.h> 4429088Smarkm#include <machine/intr_machdep.h> 4529088Smarkm#include <machine/md_var.h> 4629088Smarkm#include <machine/pio.h> 4729088Smarkm#include <machine/resource.h> 4829088Smarkm 4929088Smarkm#include <vm/vm.h> 5029088Smarkm#include <vm/pmap.h> 5129088Smarkm 5229088Smarkm#include <sys/rman.h> 5329088Smarkm 5429088Smarkm#include <machine/openpicvar.h> 5529088Smarkm 5629088Smarkm#include "pic_if.h" 5729088Smarkm 5829088Smarkm/* 5929088Smarkm * OFW interface 6029088Smarkm */ 6129088Smarkmstatic int openpic_ofw_probe(device_t); 6229088Smarkmstatic int openpic_ofw_attach(device_t); 6329088Smarkm 6429088Smarkmstatic device_method_t openpic_ofw_methods[] = { 6529088Smarkm /* Device interface */ 6629088Smarkm DEVMETHOD(device_probe, openpic_ofw_probe), 6729088Smarkm DEVMETHOD(device_attach, openpic_ofw_attach), 6829088Smarkm 6929088Smarkm /* PIC interface */ 7029088Smarkm DEVMETHOD(pic_bind, openpic_bind), 7129088Smarkm DEVMETHOD(pic_config, openpic_config), 7229088Smarkm DEVMETHOD(pic_dispatch, openpic_dispatch), 7329088Smarkm DEVMETHOD(pic_enable, openpic_enable), 7429088Smarkm DEVMETHOD(pic_eoi, openpic_eoi), 7529088Smarkm DEVMETHOD(pic_ipi, openpic_ipi), 7629088Smarkm DEVMETHOD(pic_mask, openpic_mask), 7729088Smarkm DEVMETHOD(pic_unmask, openpic_unmask), 7829088Smarkm 7929088Smarkm DEVMETHOD_END 8029088Smarkm}; 8129088Smarkm 8229088Smarkmstatic driver_t openpic_ofw_driver = { 8329088Smarkm "openpic", 8429088Smarkm openpic_ofw_methods, 8529088Smarkm sizeof(struct openpic_softc), 8629088Smarkm}; 8729088Smarkm 8829088SmarkmDRIVER_MODULE(openpic, nexus, openpic_ofw_driver, openpic_devclass, 0, 0); 8929088SmarkmDRIVER_MODULE(openpic, simplebus, openpic_ofw_driver, openpic_devclass, 0, 0); 9029088SmarkmDRIVER_MODULE(openpic, macio, openpic_ofw_driver, openpic_devclass, 0, 0); 9129088Smarkm 9229088Smarkmstatic int 9329088Smarkmopenpic_ofw_probe(device_t dev) 9429088Smarkm{ 9529088Smarkm const char *type = ofw_bus_get_type(dev); 9629088Smarkm 9729088Smarkm if (type == NULL) 9829088Smarkm return (ENXIO); 9929088Smarkm 10029088Smarkm if (!ofw_bus_is_compatible(dev, "chrp,open-pic") && 10129088Smarkm strcmp(type, "open-pic") != 0) 10229088Smarkm return (ENXIO); 10329088Smarkm 10429088Smarkm /* 10529088Smarkm * On some U4 systems, there is a phantom MPIC in the mac-io cell. 10629088Smarkm * The uninorth driver will pick up the real PIC, so ignore it here. 10729088Smarkm */ 10829088Smarkm if (OF_finddevice("/u4") != (phandle_t)-1) 10929088Smarkm return (ENXIO); 11029088Smarkm 11129088Smarkm device_set_desc(dev, OPENPIC_DEVSTR); 11229088Smarkm return (0); 11329088Smarkm} 11429088Smarkm 11529088Smarkmstatic int 11629088Smarkmopenpic_ofw_attach(device_t dev) 11729088Smarkm{ 11829088Smarkm phandle_t xref, node; 11929088Smarkm 12029088Smarkm node = ofw_bus_get_node(dev); 12129088Smarkm 12229088Smarkm if (OF_getprop(node, "phandle", &xref, sizeof(xref)) == -1 && 12329088Smarkm OF_getprop(node, "ibm,phandle", &xref, sizeof(xref)) == -1 && 12429088Smarkm OF_getprop(node, "linux,phandle", &xref, sizeof(xref)) == -1) 12529088Smarkm xref = node; 12629088Smarkm 12729088Smarkm return (openpic_common_attach(dev, xref)); 12829088Smarkm} 12929088Smarkm 13029088Smarkm