uart_bus_alchemy.c revision 191079
1/*- 2 * Copyright (c) 2007 Bruce M. Simpson. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * $Id$ 25 */ 26/* 27 * Skeleton of this file was based on respective code for ARM 28 * code written by Olivier Houchard. 29 */ 30 31#include "opt_uart.h" 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: projects/mips/sys/mips/alchemy/uart_bus_alchemy.c 187498 2009-01-20 22:42:37Z imp $"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/bus.h> 39#include <sys/conf.h> 40#include <sys/kernel.h> 41#include <sys/module.h> 42#include <machine/bus.h> 43#include <sys/rman.h> 44#include <machine/resource.h> 45 46#include <dev/pci/pcivar.h> 47 48#include <dev/uart/uart.h> 49#include <dev/uart/uart_bus.h> 50#include <dev/uart/uart_cpu.h> 51 52#include <mips/alchemy/aureg.h> 53 54#include "uart_if.h" 55 56static int uart_alchemy_probe(device_t dev); 57 58static device_method_t uart_alchemy_methods[] = { 59 /* Device interface */ 60 DEVMETHOD(device_probe, uart_alchemy_probe), 61 DEVMETHOD(device_attach, uart_bus_attach), 62 DEVMETHOD(device_detach, uart_bus_detach), 63 { 0, 0 } 64}; 65 66static driver_t uart_alchemy_driver = { 67 uart_driver_name, 68 uart_alchemy_methods, 69 sizeof(struct uart_softc), 70}; 71 72extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs; 73 74static int 75uart_alchemy_probe(device_t dev) 76{ 77 struct uart_softc *sc; 78 79 sc = device_get_softc(dev); 80 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs); 81 sc->sc_class = &uart_ns8250_class; 82 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas)); 83 84 return (uart_bus_probe(dev, 0, 0, 0, 0)); 85} 86 87DRIVER_MODULE(uart, obio, uart_alchemy_driver, uart_devclass, 0, 0); 88