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/*-
* Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
* 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 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 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
*/
#include "opt_uart.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/mips/atheros/uart_bus_ar71xx.c 211476 2010-08-19 02:03:12Z adrian $");
#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 <dev/uart/uart.h>
#include <dev/uart/uart_cpu.h>
#include <dev/uart/uart_bus.h>
#include <mips/atheros/ar71xxreg.h>
#include <mips/atheros/ar71xx_cpudef.h>
#include "uart_if.h"
static int uart_ar71xx_probe(device_t dev);
extern struct uart_class uart_ar71xx_uart_class;
static device_method_t uart_ar71xx_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uart_ar71xx_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
{ 0, 0 }
};
static driver_t uart_ar71xx_driver = {
uart_driver_name,
uart_ar71xx_methods,
sizeof(struct uart_softc),
};
extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
static int
uart_ar71xx_probe(device_t dev)
{
struct uart_softc *sc;
uint64_t freq;
freq = ar71xx_ahb_freq();
sc = device_get_softc(dev);
sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
sc->sc_class = &uart_ns8250_class;
bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
sc->sc_sysdev->bas.regshft = 2;
sc->sc_sysdev->bas.bst = mips_bus_space_generic;
sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR) + 3;
sc->sc_bas.regshft = 2;
sc->sc_bas.bst = mips_bus_space_generic;
sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR) + 3;
return (uart_bus_probe(dev, 2, freq, 0, 0));
}
DRIVER_MODULE(uart, apb, uart_ar71xx_driver, uart_devclass, 0, 0);