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/*-
* Copyright (c) 2006 Wojciech A. Koszek <wkoszek@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
* $Id$
*/
/*
* Skeleton of this file was based on respective code for ARM
* code written by Olivier Houchard.
*/
/*
* XXXMIPS: This file is hacked from arm/... . XXXMIPS here means this file is
* experimental and was written for MIPS32 port.
*/
#include "opt_uart.h"
#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/pci/pcivar.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>
#include <dev/uart/uart_cpu.h>
#include <mips/cavium/octeon_pcmap_regs.h>
#include <contrib/octeon-sdk/cvmx.h>
#include "uart_if.h"
extern struct uart_class uart_oct16550_class;
static int uart_octeon_probe(device_t dev);
static device_method_t uart_octeon_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uart_octeon_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
{0, 0}
};
static driver_t uart_octeon_driver = {
uart_driver_name,
uart_octeon_methods,
sizeof(struct uart_softc),
};
extern
SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
static int
uart_octeon_probe(device_t dev)
{
struct uart_softc *sc;
int unit;
unit = device_get_unit(dev);
sc = device_get_softc(dev);
sc->sc_class = &uart_oct16550_class;
/*
* We inherit the settings from the systme console. Note, the bst
* bad bus_space_map are bogus here, but obio doesn't yet support
* them, it seems.
*/
sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
sc->sc_bas.bst = uart_bus_space_mem;
/*
* XXX
* RBR isn't really a great base address.
*/
if (bus_space_map(sc->sc_bas.bst, CVMX_MIO_UARTX_RBR(0),
uart_getrange(sc->sc_class), 0, &sc->sc_bas.bsh) != 0)
return (ENXIO);
return (uart_bus_probe(dev, sc->sc_bas.regshft, 0, 0, unit));
}
DRIVER_MODULE(uart, obio, uart_octeon_driver, uart_devclass, 0, 0);
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