1/*- 2 * Copyright 2002 by Peter Grehan. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: stable/11/sys/powerpc/psim/uart_iobus.c 356020 2019-12-22 19:06:45Z kevans $ 28 */ 29 30/* 31 * PSIM local bus 16550 32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/bus.h> 37#include <sys/conf.h> 38#include <sys/kernel.h> 39#include <sys/lock.h> 40#include <sys/malloc.h> 41#include <sys/mutex.h> 42#include <sys/module.h> 43#include <machine/bus.h> 44#include <sys/timepps.h> 45 46#include <dev/ofw/openfirm.h> 47#include <powerpc/psim/iobusvar.h> 48 49#include <dev/uart/uart.h> 50#include <dev/uart/uart_bus.h> 51 52static int uart_iobus_probe(device_t dev); 53 54static device_method_t uart_iobus_methods[] = { 55 /* Device interface */ 56 DEVMETHOD(device_probe, uart_iobus_probe), 57 DEVMETHOD(device_attach, uart_bus_attach), 58 DEVMETHOD(device_detach, uart_bus_detach), 59 60 { 0, 0 } 61}; 62 63static driver_t uart_iobus_driver = { 64 uart_driver_name, 65 uart_iobus_methods, 66 sizeof(struct uart_softc), 67}; 68 69static int 70uart_iobus_probe(device_t dev) 71{ 72 struct uart_softc *sc; 73 char *type; 74 75 type = iobus_get_name(dev); 76 if (strncmp(type, "com", 3) != 0) 77 return (ENXIO); 78 79 sc = device_get_softc(dev); 80 sc->sc_class = &uart_ns8250_class; 81 82 device_set_desc(dev, "PSIM serial port"); 83 return (uart_bus_probe(dev, 0, 0, 0, 0, 0, 0)); 84} 85 86DRIVER_MODULE(uart, iobus, uart_iobus_driver, uart_devclass, 0, 0); 87