freebsd-dev/sys/mips/rmi/uart_bus_xlr_iodi.c

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/*-
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* Copyright (c) 2006 Raza Microelectronics
* 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 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("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <mips/rmi/iomap.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>
#include <dev/uart/uart_cpu.h>
static int uart_iodi_probe(device_t dev);
static device_method_t uart_iodi_methods[] = {
/* Device interface */
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DEVMETHOD(device_probe, uart_iodi_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
{0, 0}
};
static driver_t uart_iodi_driver = {
uart_driver_name,
uart_iodi_methods,
sizeof(struct uart_softc),
};
extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
static int
uart_iodi_probe(device_t dev)
{
struct uart_softc *sc;
sc = device_get_softc(dev);
sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
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sc->sc_class = &uart_ns8250_class;
bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
sc->sc_sysdev->bas.bst = rmi_bus_space;
sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
sc->sc_bas.bst = rmi_bus_space;
sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
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/* regshft = 2, rclk = 66000000, rid = 0, chan = 0 */
return (uart_bus_probe(dev, 2, 66000000, 0, 0));
}
DRIVER_MODULE(uart, iodi, uart_iodi_driver, uart_devclass, 0, 0);