uart_bus_sbusart.c revision 182901
128263Spst/*-
228263Spst * Copyright (c) 2007 Bruce M. Simpson.
350472Speter * All rights reserved.
428263Spst *
561981Sbrian * Redistribution and use in source and binary forms, with or without
661981Sbrian * modification, are permitted provided that the following conditions
728263Spst * are met:
861981Sbrian * 1. Redistributions of source code must retain the above copyright
961981Sbrian *    notice, this list of conditions and the following disclaimer.
1061981Sbrian * 2. Redistributions in binary form must reproduce the above copyright
1161981Sbrian *    notice, this list of conditions and the following disclaimer in the
1261981Sbrian *    documentation and/or other materials provided with the distribution.
1361981Sbrian *
1428263Spst * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1528263Spst * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1661981Sbrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1761981Sbrian * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1865843Sbrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1961981Sbrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2065843Sbrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2165843Sbrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2265843Sbrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2365843Sbrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2465843Sbrian * $Id$
2565843Sbrian */
2665843Sbrian/*
2765843Sbrian * Skeleton of this file was based on respective code for ARM
2865843Sbrian * code written by Olivier Houchard.
2961981Sbrian */
3061981Sbrian
3161981Sbrian/*
3261981Sbrian * XXXMIPS: This file is hacked from arm/... . XXXMIPS here means this file is
3361981Sbrian * experimental and was written for MIPS32 port.
3461981Sbrian */
3561981Sbrian#include "opt_uart.h"
3661981Sbrian
3761981Sbrian#include <sys/cdefs.h>
3861981Sbrian__FBSDID("$FreeBSD: head/sys/mips/sentry5/uart_bus_sbusart.c 182901 2008-09-10 03:49:08Z gonzo $");
3965843Sbrian
4065843Sbrian#include <sys/param.h>
4165843Sbrian#include <sys/systm.h>
4265843Sbrian#include <sys/bus.h>
4365843Sbrian#include <sys/conf.h>
4465843Sbrian#include <sys/kernel.h>
4565843Sbrian#include <sys/module.h>
4665843Sbrian#include <machine/bus.h>
4765843Sbrian#include <sys/rman.h>
4861981Sbrian#include <machine/resource.h>
4965843Sbrian
5065843Sbrian#include <dev/pci/pcivar.h>
5161981Sbrian
5265843Sbrian#include <dev/uart/uart.h>
5365843Sbrian#include <dev/uart/uart_bus.h>
54#include <dev/uart/uart_cpu.h>
55
56#include <mips/sentry5/sentry5reg.h>
57
58#include "uart_if.h"
59
60static int uart_malta_probe(device_t dev);
61
62extern struct uart_class malta_uart_class;
63
64static device_method_t uart_malta_methods[] = {
65	/* Device interface */
66	DEVMETHOD(device_probe,		uart_malta_probe),
67	DEVMETHOD(device_attach,	uart_bus_attach),
68	DEVMETHOD(device_detach,	uart_bus_detach),
69	{ 0, 0 }
70};
71
72static driver_t uart_malta_driver = {
73	uart_driver_name,
74	uart_malta_methods,
75	sizeof(struct uart_softc),
76};
77
78extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
79static int
80uart_malta_probe(device_t dev)
81{
82	struct uart_softc *sc;
83
84	sc = device_get_softc(dev);
85	sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
86	sc->sc_class = &uart_ns8250_class;
87	bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
88	sc->sc_sysdev->bas.bst = 0;
89	sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(SENTRY5_UART1ADR);
90	sc->sc_bas.bst = 0;
91	sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(SENTRY5_UART1ADR);
92	return(uart_bus_probe(dev, 0, 0, 0, 0));
93}
94
95DRIVER_MODULE(uart, obio, uart_malta_driver, uart_devclass, 0, 0);
96