2 * Copyright (c) 2007 Bruce M. Simpson.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * Skeleton of this file was based on respective code for ARM
28 * code written by Olivier Houchard.
32 * XXXMIPS: This file is hacked from arm/... . XXXMIPS here means this file is
33 * experimental and was written for MIPS32 port.
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include <sys/param.h>
41 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/module.h>
46 #include <machine/bus.h>
48 #include <machine/resource.h>
50 #include <dev/pci/pcivar.h>
52 #include <dev/uart/uart.h>
53 #include <dev/uart/uart_bus.h>
54 #include <dev/uart/uart_cpu.h>
56 #include <mips/rt305x/rt305xreg.h>
60 static int uart_rt305x_probe(device_t dev);
62 extern struct uart_class uart_rt305x_uart_class;
64 static device_method_t uart_rt305x_methods[] = {
65 /* Device interface */
66 DEVMETHOD(device_probe, uart_rt305x_probe),
67 DEVMETHOD(device_attach, uart_bus_attach),
68 DEVMETHOD(device_detach, uart_bus_detach),
72 static driver_t uart_rt305x_driver = {
75 sizeof(struct uart_softc),
79 uart_rt305x_probe(device_t dev)
81 struct uart_softc *sc;
83 sc = device_get_softc(dev);
84 sc->sc_class = &uart_rt305x_uart_class;
85 sc->sc_bas.regshft = 2;
86 sc->sc_bas.bst = mips_bus_space_generic;
88 MIPS_PHYS_TO_KSEG1(device_get_unit(dev)?UARTLITE_BASE:UART_BASE);
90 return (uart_bus_probe(dev, 2, 0, SYSTEM_CLOCK, 0, 0));
93 DRIVER_MODULE(uart, obio, uart_rt305x_driver, uart_devclass, 0, 0);