107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*-
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* Copyright (c) 1999 Andrew Gallatin
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* 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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, 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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <pci/pcivar.h>
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#include <alpha/pci/tsunamireg.h>
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#include <alpha/pci/tsunamivar.h>
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static devclass_t pcib_devclass;
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int tsunami_hoses[TSUNAMI_MAXHOSES] = {0,0,0,0};
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int
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tsunami_bus_within_hose(int hose, int bus)
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{
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return(bus - tsunami_hoses[hose]);
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}
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static int
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tsunami_pcib_probe(device_t dev)
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{
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static int hoseno = 0;
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device_t child;
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device_set_desc(dev, "21271 PCI host bus adapter");
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child = device_add_child(dev, "pci", -1, 0);
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if(hoseno)
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tsunami_hoses[hoseno] = device_get_unit(child);
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hoseno++;
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return 0;
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}
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static int
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tsunami_pcib_read_ivar(device_t dev, device_t child, int which, u_long *result)
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{
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if (which == PCIB_IVAR_HOSE) {
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*result = *(int*) device_get_ivars(dev);
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return 0;
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}
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return ENOENT;
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}
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static device_method_t tsunami_pcib_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, tsunami_pcib_probe),
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DEVMETHOD(device_attach, bus_generic_attach),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_read_ivar, tsunami_pcib_read_ivar),
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DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
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DEVMETHOD(bus_release_resource, bus_generic_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
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DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
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{ 0, 0 }
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};
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static driver_t tsunami_pcib_driver = {
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"pcib",
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tsunami_pcib_methods,
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1,
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};
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DRIVER_MODULE(pcib, tsunami, tsunami_pcib_driver, pcib_devclass, 0, 0);
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