freebsd-skq/sys/mips/nlm/uart_pci_xlp.c

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/*-
* Copyright (c) 2011 Netlogic Microsystems Inc.
*
* (based on dev/uart/uart_bus_pci.c)
* Copyright (c) 2006 Marcel Moolenaar
* Copyright (c) 2001 M. Warner Losh
* 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 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/pci/pcivar.h>
#include <mips/nlm/hal/haldefs.h>
#include <mips/nlm/hal/iomap.h>
#include <mips/nlm/hal/uart.h>
#include <dev/uart/uart.h>
#include <dev/uart/uart_bus.h>
static int uart_soc_probe(device_t dev);
static device_method_t uart_soc_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uart_soc_probe),
DEVMETHOD(device_attach, uart_bus_attach),
DEVMETHOD(device_detach, uart_bus_detach),
{ 0, 0 }
};
static driver_t uart_soc_driver = {
uart_driver_name,
uart_soc_methods,
sizeof(struct uart_softc),
};
static int
uart_soc_probe(device_t dev)
{
struct uart_softc *sc;
uint64_t ubase;
if (pci_get_vendor(dev) != PCI_VENDOR_NETLOGIC ||
pci_get_device(dev) != PCI_DEVICE_ID_NLM_UART)
return (ENXIO);
ubase = nlm_get_uart_regbase(0, 0);
sc = device_get_softc(dev);
sc->sc_class = &uart_ns8250_class;
device_set_desc(dev, "Netlogic SoC UART");
return (uart_bus_probe(dev, 2, 133000000, 0, 0));
}
DRIVER_MODULE(uart_soc, pci, uart_soc_driver, uart_devclass, 0, 0);