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/idt/uart_bus_rc32434.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#include <mips/idt/idtreg.h>
50
51#include <dev/pci/pcivar.h>
52
53#include <dev/uart/uart.h>
54#include <dev/uart/uart_bus.h>
55#include <dev/uart/uart_cpu.h>
56
57#include <dev/ic/ns16550.h>
58
59#include "uart_if.h"
60
61static int uart_rc32434_probe(device_t dev);
62
63extern struct uart_class uart_rc32434_uart_class;
64
65static device_method_t uart_rc32434_methods[] = {
66	/* Device interface */
67	DEVMETHOD(device_probe,		uart_rc32434_probe),
68	DEVMETHOD(device_attach,	uart_bus_attach),
69	DEVMETHOD(device_detach,	uart_bus_detach),
70	{ 0, 0 }
71};
72
73static driver_t uart_rc32434_driver = {
74	uart_driver_name,
75	uart_rc32434_methods,
76	sizeof(struct uart_softc),
77};
78
79extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
80
81static int
82uart_rc32434_probe(device_t dev)
83{
84	struct uart_softc *sc;
85
86	sc = device_get_softc(dev);
87	sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
88	sc->sc_class = &uart_ns8250_class;
89	bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
90	sc->sc_sysdev->bas.regshft = 2;
91	sc->sc_sysdev->bas.bst = mips_bus_space_generic;
92	sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(IDT_BASE_UART0);
93	sc->sc_bas.regshft = 2;
94	sc->sc_bas.bst = mips_bus_space_generic;
95	sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(IDT_BASE_UART0);
96
97	return (uart_bus_probe(dev, 2, 0, 330000000UL/2, 0, 0, 0));
98}
99
100DRIVER_MODULE(uart, obio, uart_rc32434_driver, uart_devclass, 0, 0);
101