1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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 #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/malta/maltareg.h>
53
54 #include "uart_if.h"
55
56 static int uart_malta_probe(device_t dev);
57
58 extern struct uart_class malta_uart_class;
59
60 static device_method_t uart_malta_methods[] = {
61 /* Device interface */
62 DEVMETHOD(device_probe, uart_malta_probe),
63 DEVMETHOD(device_attach, uart_bus_attach),
64 DEVMETHOD(device_detach, uart_bus_detach),
65 { 0, 0 }
66 };
67
68 static driver_t uart_malta_driver = {
69 uart_driver_name,
70 uart_malta_methods,
71 sizeof(struct uart_softc),
72 };
73
74 extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
75 static int
uart_malta_probe(device_t dev)76 uart_malta_probe(device_t dev)
77 {
78 struct uart_softc *sc;
79
80 sc = device_get_softc(dev);
81 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
82 sc->sc_class = &uart_ns8250_class;
83 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
84 sc->sc_sysdev->bas.bst = mips_bus_space_generic;
85 sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(MALTA_UART0ADR);
86 sc->sc_bas.bst = mips_bus_space_generic;
87 sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(MALTA_UART0ADR);
88 return(uart_bus_probe(dev, 0, 0, 0, 0, 0, 0));
89 }
90
91 DRIVER_MODULE(uart, obio, uart_malta_driver, uart_devclass, 0, 0);
92