1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * $Id$ 27 */ 28/* 29 * Skeleton of this file was based on respective code for ARM 30 * code written by Olivier Houchard. 31 */ 32 33#include "opt_uart.h" 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD$"); 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/bus.h> 41#include <sys/conf.h> 42#include <sys/kernel.h> 43#include <sys/module.h> 44#include <machine/bus.h> 45#include <sys/rman.h> 46#include <machine/resource.h> 47 48#include <dev/pci/pcivar.h> 49 50#include <dev/uart/uart.h> 51#include <dev/uart/uart_bus.h> 52#include <dev/uart/uart_cpu.h> 53 54#include <mips/malta/maltareg.h> 55 56#include "uart_if.h" 57 58static int uart_malta_probe(device_t dev); 59 60extern struct uart_class malta_uart_class; 61 62static device_method_t uart_malta_methods[] = { 63 /* Device interface */ 64 DEVMETHOD(device_probe, uart_malta_probe), 65 DEVMETHOD(device_attach, uart_bus_attach), 66 DEVMETHOD(device_detach, uart_bus_detach), 67 { 0, 0 } 68}; 69 70static driver_t uart_malta_driver = { 71 uart_driver_name, 72 uart_malta_methods, 73 sizeof(struct uart_softc), 74}; 75 76extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs; 77static int 78uart_malta_probe(device_t dev) 79{ 80 struct uart_softc *sc; 81 82 sc = device_get_softc(dev); 83 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs); 84 sc->sc_class = &uart_ns8250_class; 85 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas)); 86 sc->sc_sysdev->bas.bst = mips_bus_space_generic; 87 sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(MALTA_UART0ADR); 88 sc->sc_bas.bst = mips_bus_space_generic; 89 sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(MALTA_UART0ADR); 90 return(uart_bus_probe(dev, 0, 0, 0, 0, 0, 0)); 91} 92 93DRIVER_MODULE(uart, obio, uart_malta_driver, uart_devclass, 0, 0); 94