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: stable/11/sys/mips/rt305x/uart_bus_rt305x.c 340145 2018-11-04 23:28:56Z mmacy $");
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/rt305x/rt305xreg.h>
57
58#include "uart_if.h"
59
60static int uart_rt305x_probe(device_t dev);
61
62extern struct uart_class uart_rt305x_uart_class;
63
64static device_method_t uart_rt305x_methods[] = {
65	/* Device interface */
66	DEVMETHOD(device_probe,		uart_rt305x_probe),
67	DEVMETHOD(device_attach,	uart_bus_attach),
68	DEVMETHOD(device_detach,	uart_bus_detach),
69	{ 0, 0 }
70};
71
72static driver_t uart_rt305x_driver = {
73	uart_driver_name,
74	uart_rt305x_methods,
75	sizeof(struct uart_softc),
76};
77
78static int
79uart_rt305x_probe(device_t dev)
80{
81	struct uart_softc *sc;
82
83	sc = device_get_softc(dev);
84	sc->sc_class = &uart_rt305x_uart_class;
85	sc->sc_bas.regshft = 2;
86	sc->sc_bas.bst = mips_bus_space_generic;
87	sc->sc_bas.bsh =
88	    MIPS_PHYS_TO_KSEG1(device_get_unit(dev)?UARTLITE_BASE:UART_BASE);
89
90	return (uart_bus_probe(dev, 2, 0, SYSTEM_CLOCK, 0, 0, 0));
91}
92
93DRIVER_MODULE(uart, obio, uart_rt305x_driver, uart_devclass, 0, 0);
94
95