FreeBSD/Linux Kernel Cross Reference
sys/arm/econa/uart_bus_ec.c

     /*-
      * Copyright (C) 2009 Yohanes Nugroho <yohanes@gmail.com>
      * 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.
     * 3. Neither the name of MARVELL nor the names of contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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/9.0/sys/arm/econa/uart_bus_ec.c 201468 2010-01-04 03:35:45Z rpaulo $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/conf.h>
    #include <sys/kernel.h>
    #include <sys/module.h>
    
    #include <machine/bus.h>
    #include <sys/rman.h>
    #include <machine/resource.h>
    
    #include <dev/uart/uart.h>
    #include <dev/uart/uart_bus.h>
    #include <dev/uart/uart_cpu.h>
    
    #include <arm/econa/econa_reg.h>
    
    static int uart_ec_probe(device_t dev);
    
    static device_method_t uart_ec_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe, uart_ec_probe),
            DEVMETHOD(device_attach,        uart_bus_attach),
            DEVMETHOD(device_detach,        uart_bus_detach),
            { 0, 0 }
    };
    
    static driver_t uart_ec_driver = {
            uart_driver_name,
            uart_ec_methods,
            sizeof(struct uart_softc),
    };
    
    static int
    uart_ec_probe(device_t dev)
    {
            struct  uart_softc *sc;
            int status;
    
            sc = device_get_softc(dev);
            sc->sc_class = &uart_ns8250_class;
            status = uart_bus_probe(dev, EC_UART_REGSHIFT, EC_UART_CLOCK, 0, 0);
            return (status);
    }
    
    DRIVER_MODULE(uart, econaarm, uart_ec_driver, uart_devclass, 0, 0);

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