FreeBSD/Linux Kernel Cross Reference
sys/dev/cfi/cfi_bus_ixp4xx.c

     /*-
      * Copyright (c) 2009 Roelof Jonkman, Carlson Wireless Inc.
      * Copyright (c) 2009 Sam Leffler, Errno Consulting
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/10.3/sys/dev/cfi/cfi_bus_ixp4xx.c 246128 2013-01-30 18:01:20Z sbz $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/conf.h>
    #include <sys/kernel.h>
    #include <sys/malloc.h>   
    #include <sys/module.h>
    #include <sys/rman.h>
    #include <sys/sysctl.h>
    
    #include <machine/bus.h>
    
    #include <dev/cfi/cfi_var.h>
    
    #include <arm/xscale/ixp425/ixp425reg.h>
    #include <arm/xscale/ixp425/ixp425var.h>
    
    static int
    cfi_ixp4xx_probe(device_t dev)
    {
            struct cfi_softc *sc = device_get_softc(dev);
            /*
             * NB: we assume the boot loader sets up EXP_TIMING_CS0_OFFSET
             * according to the flash on the board.  If it does not then it
             * can be done here.
             */
            if (bootverbose) {
                    struct ixp425_softc *sa =
                        device_get_softc(device_get_parent(dev));
                    device_printf(dev, "EXP_TIMING_CS0_OFFSET 0x%x\n",
                        EXP_BUS_READ_4(sa, EXP_TIMING_CS0_OFFSET));
            }
            sc->sc_width = 2;               /* NB: don't probe interface width */
            return cfi_probe(dev);
    }
    
    static device_method_t cfi_ixp4xx_methods[] = {
            /* device interface */
            DEVMETHOD(device_probe,         cfi_ixp4xx_probe),
            DEVMETHOD(device_attach,        cfi_attach),
            DEVMETHOD(device_detach,        cfi_detach),
    
            DEVMETHOD_END
    };
    
    static driver_t cfi_ixp4xx_driver = {
            cfi_driver_name,
            cfi_ixp4xx_methods,
            sizeof(struct cfi_softc),
    };
    DRIVER_MODULE(cfi, ixp, cfi_ixp4xx_driver, cfi_devclass, 0, 0);

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