uart_bus_ebus.c revision 120452
1119815Smarcel/*- 2119815Smarcel * Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>. 3119815Smarcel * All rights reserved. 4119815Smarcel * 5119815Smarcel * Redistribution and use in source and binary forms, with or without 6119815Smarcel * modification, are permitted provided that the following conditions 7119815Smarcel * are met: 8119815Smarcel * 1. Redistributions of source code must retain the above copyright 9119815Smarcel * notice, this list of conditions and the following disclaimer. 10119815Smarcel * 2. Redistributions in binary form must reproduce the above copyright 11119815Smarcel * notice, this list of conditions and the following disclaimer in the 12119815Smarcel * documentation and/or other materials provided with the distribution. 13119815Smarcel * 14119815Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15119815Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16119815Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17119815Smarcel * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 18119815Smarcel * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19119815Smarcel * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20119815Smarcel * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 21119815Smarcel * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22119815Smarcel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23119815Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24119815Smarcel * SUCH DAMAGE. 25119815Smarcel */ 26119815Smarcel 27119815Smarcel#include <sys/cdefs.h> 28119815Smarcel__FBSDID("$FreeBSD: head/sys/dev/uart/uart_bus_ebus.c 120452 2003-09-26 05:14:56Z marcel $"); 29119815Smarcel 30119815Smarcel#include <sys/param.h> 31119815Smarcel#include <sys/systm.h> 32119815Smarcel#include <sys/bus.h> 33119815Smarcel#include <sys/kernel.h> 34119815Smarcel#include <machine/bus.h> 35119815Smarcel#include <sys/rman.h> 36119815Smarcel#include <machine/resource.h> 37119815Smarcel 38119815Smarcel#include <dev/ofw/openfirm.h> 39119815Smarcel#include <sparc64/ebus/ebusvar.h> 40119815Smarcel 41119815Smarcel#include <dev/uart/uart.h> 42119815Smarcel#include <dev/uart/uart_bus.h> 43119815Smarcel#include <dev/uart/uart_cpu.h> 44119815Smarcel 45119815Smarcelstatic int uart_ebus_probe(device_t dev); 46119815Smarcel 47119815Smarcelstatic device_method_t uart_ebus_methods[] = { 48119815Smarcel /* Device interface */ 49119815Smarcel DEVMETHOD(device_probe, uart_ebus_probe), 50119815Smarcel DEVMETHOD(device_attach, uart_bus_attach), 51119815Smarcel DEVMETHOD(device_detach, uart_bus_detach), 52119815Smarcel { 0, 0 } 53119815Smarcel}; 54119815Smarcel 55119815Smarcelstatic driver_t uart_ebus_driver = { 56119815Smarcel uart_driver_name, 57119815Smarcel uart_ebus_methods, 58119815Smarcel sizeof(struct uart_softc), 59119815Smarcel}; 60119815Smarcel 61119815Smarcelstatic int 62119815Smarceluart_ebus_probe(device_t dev) 63119815Smarcel{ 64119815Smarcel const char *nm; 65119815Smarcel struct uart_softc *sc; 66119815Smarcel int error; 67119815Smarcel 68119815Smarcel sc = device_get_softc(dev); 69119815Smarcel sc->sc_class = NULL; 70119815Smarcel 71119815Smarcel nm = ebus_get_name(dev); 72119815Smarcel if (!strcmp(nm, "su")) { 73119815Smarcel sc->sc_class = &uart_ns8250_class; 74120452Smarcel return (uart_bus_probe(dev, 0, 0, 0, 0)); 75119815Smarcel } 76119815Smarcel if (!strcmp(nm, "se")) { 77119815Smarcel sc->sc_class = &uart_sab82532_class; 78120452Smarcel error = uart_bus_probe(dev, 0, 0, 0, 1); 79119815Smarcel return ((error) ? error : -1); 80119815Smarcel } 81119815Smarcel 82119815Smarcel return (ENXIO); 83119815Smarcel} 84119815Smarcel 85119815SmarcelDRIVER_MODULE(uart, ebus, uart_ebus_driver, uart_devclass, 0, 0); 86