chipc_cfi.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer,
   12  *    without modification.
   13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
   15  *    redistribution must be conditioned upon including a substantially
   16  *    similar Disclaimer requirement for further binary redistribution.
   17  *
   18  * NO WARRANTY
   19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
   22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
   24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
   27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   29  * THE POSSIBILITY OF SUCH DAMAGES.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD$");
   34 
   35 #include <sys/param.h>
   36 #include <sys/systm.h>
   37 #include <sys/kernel.h>
   38 #include <sys/module.h>
   39 #include <sys/bus.h>
   40 #include <sys/rman.h>
   41 #include <sys/conf.h>
   42 
   43 #include <machine/bus.h>
   44 
   45 #include <dev/cfi/cfi_var.h>
   46 
   47 #include "bhnd_chipc_if.h"
   48 
   49 #include "chipcreg.h"
   50 #include "chipcvar.h"
   51 #include "chipc_slicer.h"
   52 
   53 static int
   54 chipc_cfi_probe(device_t dev)
   55 {
   56         struct cfi_softc        *sc;
   57         int                     error;
   58 
   59         sc = device_get_softc(dev);
   60 
   61         sc->sc_width = 0;
   62         if ((error = cfi_probe(dev)) > 0)
   63                 return (error);
   64 
   65         device_set_desc(dev, "Broadcom ChipCommon CFI");
   66         return (error);
   67 }
   68 
   69 static int
   70 chipc_cfi_attach(device_t dev)
   71 {
   72         chipc_register_slicer(CHIPC_PFLASH_CFI);
   73         return (cfi_attach(dev));
   74 }
   75 
   76 static device_method_t chipc_cfi_methods[] = {
   77         /* device interface */
   78         DEVMETHOD(device_probe,         chipc_cfi_probe),
   79         DEVMETHOD(device_attach,        chipc_cfi_attach),
   80         DEVMETHOD(device_detach,        cfi_detach),
   81         {0, 0}
   82 };
   83 
   84 static driver_t chipc_cfi_driver = {
   85         cfi_driver_name,
   86         chipc_cfi_methods,
   87         sizeof(struct cfi_softc),
   88 };
   89 
   90 DRIVER_MODULE(cfi, bhnd_chipc, chipc_cfi_driver, 0, 0);

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FreeBSD/Linux Kernel Cross Reference sys/dev/bhnd/cores/chipc/chipc_cfi.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/bhnd/cores/chipc/chipc_cfi.c