8f3bba2d35
sys/mips/broadcom, and add MIPS/BCM4706-specific workaround to bhnd_nexus_is_hw_disabled() -- the BCM4706 low-cost package leaves secondary GMAC cores floating. Reviewed by: mizhka Approved by: adrian (mentor) Differential Revision: https://reviews.freebsd.org/D9499
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*-
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* Copyright (c) 2015-2016 Landon Fuller <landon@freebsd.org>
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* Copyright (c) 2007 Bruce M. Simpson.
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <dev/bhnd/bhnd_ids.h>
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#include <dev/bhnd/siba/sibavar.h>
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#include "bcm_machdep.h"
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#include "bhnd_nexusvar.h"
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/*
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* Supports siba(4) attachment to a MIPS nexus bus.
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*
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* Derived from Bruce M. Simpson' original siba(4) driver.
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*/
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static int
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siba_nexus_probe(device_t dev)
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{
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int error;
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if (bcm_get_platform()->cid.chip_type != BHND_CHIPTYPE_SIBA)
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return (ENXIO);
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if ((error = siba_probe(dev)) > 0)
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return (error);
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/* Set device description */
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bhnd_set_default_bus_desc(dev, &bcm_get_platform()->cid);
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return (BUS_PROBE_SPECIFIC);
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}
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static int
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siba_nexus_attach(device_t dev)
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{
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int error;
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/* Perform initial attach and enumerate our children. */
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if ((error = siba_attach(dev)))
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goto failed;
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/* Delegate remainder to standard bhnd method implementation */
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if ((error = bhnd_generic_attach(dev)))
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goto failed;
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return (0);
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failed:
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device_delete_children(dev);
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return (error);
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}
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static device_method_t siba_nexus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, siba_nexus_probe),
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DEVMETHOD(device_attach, siba_nexus_attach),
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DEVMETHOD_END
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};
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DEFINE_CLASS_2(bhnd, siba_nexus_driver, siba_nexus_methods,
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sizeof(struct siba_softc), bhnd_nexus_driver, siba_driver);
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EARLY_DRIVER_MODULE(siba_nexus, nexus, siba_nexus_driver, bhnd_devclass, 0, 0,
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BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
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