1/*-
2 * Copyright (c) 2006 Raza Microelectronics
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 ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * 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 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/11/sys/mips/rmi/uart_bus_xlr_iodi.c 340145 2018-11-04 23:28:56Z mmacy $");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/kernel.h>
34#include <sys/module.h>
35#include <sys/lock.h>
36#include <sys/mutex.h>
37
38#include <machine/bus.h>
39#include <sys/rman.h>
40#include <machine/resource.h>
41#include <mips/rmi/iomap.h>
42#include <dev/uart/uart.h>
43#include <dev/uart/uart_bus.h>
44#include <dev/uart/uart_cpu.h>
45
46static int uart_iodi_probe(device_t dev);
47
48static device_method_t uart_iodi_methods[] = {
49	/* Device interface */
50	DEVMETHOD(device_probe, uart_iodi_probe),
51	DEVMETHOD(device_attach, uart_bus_attach),
52	DEVMETHOD(device_detach, uart_bus_detach),
53	{0, 0}
54};
55
56static driver_t uart_iodi_driver = {
57	uart_driver_name,
58	uart_iodi_methods,
59	sizeof(struct uart_softc),
60};
61
62
63extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
64static int
65uart_iodi_probe(device_t dev)
66{
67	struct uart_softc *sc;
68	sc = device_get_softc(dev);
69	sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
70	sc->sc_class = &uart_ns8250_class;
71	bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
72	sc->sc_sysdev->bas.bst = rmi_bus_space;
73	sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
74	sc->sc_bas.bst = rmi_bus_space;
75	sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR);
76	/* regshft = 2, rclk = 66000000, rid = 0, chan = 0 */
77	return (uart_bus_probe(dev, 2, 0, 66000000, 0, 0, 0));
78}
79
80DRIVER_MODULE(uart, iodi, uart_iodi_driver, uart_devclass, 0, 0);
81