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 /*
32 * XXXMIPS: This file is hacked from arm/... . XXXMIPS here means this file is
33 * experimental and was written for MIPS32 port.
34 */
35 #include "opt_uart.h"
36
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD: releng/8.2/sys/mips/sentry5/uart_bus_sbusart.c 215938 2010-11-27 12:26:40Z jchandra $");
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/bus.h>
43 #include <sys/conf.h>
44 #include <sys/kernel.h>
45 #include <sys/module.h>
46 #include <machine/bus.h>
47 #include <sys/rman.h>
48 #include <machine/resource.h>
49
50 #include <dev/pci/pcivar.h>
51
52 #include <dev/uart/uart.h>
53 #include <dev/uart/uart_bus.h>
54 #include <dev/uart/uart_cpu.h>
55
56 #include <mips/sentry5/sentry5reg.h>
57
58 #include "uart_if.h"
59
60 static int uart_malta_probe(device_t dev);
61
62 extern struct uart_class malta_uart_class;
63
64 static device_method_t uart_malta_methods[] = {
65 /* Device interface */
66 DEVMETHOD(device_probe, uart_malta_probe),
67 DEVMETHOD(device_attach, uart_bus_attach),
68 DEVMETHOD(device_detach, uart_bus_detach),
69 { 0, 0 }
70 };
71
72 static driver_t uart_malta_driver = {
73 uart_driver_name,
74 uart_malta_methods,
75 sizeof(struct uart_softc),
76 };
77
78 extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
79 static int
80 uart_malta_probe(device_t dev)
81 {
82 struct uart_softc *sc;
83
84 sc = device_get_softc(dev);
85 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
86 sc->sc_class = &uart_ns8250_class;
87 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
88 sc->sc_sysdev->bas.bst = mips_bus_space_generic;
89 sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(SENTRY5_UART1ADR);
90 sc->sc_bas.bst = mips_bus_space_generic;
91 sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(SENTRY5_UART1ADR);
92 return(uart_bus_probe(dev, 0, 0, 0, 0));
93 }
94
95 DRIVER_MODULE(uart, obio, uart_malta_driver, uart_devclass, 0, 0);
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