diff options
Diffstat (limited to 'sys/arm/econa/uart_bus_ec.c')
-rw-r--r-- | sys/arm/econa/uart_bus_ec.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sys/arm/econa/uart_bus_ec.c b/sys/arm/econa/uart_bus_ec.c new file mode 100644 index 0000000..1a40e7f --- /dev/null +++ b/sys/arm/econa/uart_bus_ec.c @@ -0,0 +1,79 @@ +/*- + * 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("$FreeBSD$"); + +#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); |