1 /*-
2 * Copyright (C) 2009 Yohanes Nugroho <yohanes@gmail.com>
3 * All rights reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/bus.h>
34 #include <sys/conf.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37
38 #include <machine/bus.h>
39 #include <sys/rman.h>
40 #include <machine/resource.h>
41
42 #include <dev/uart/uart.h>
43 #include <dev/uart/uart_bus.h>
44 #include <dev/uart/uart_cpu.h>
45
46 #include <arm/cavium/cns11xx/econa_reg.h>
47
48 static int uart_ec_probe(device_t dev);
49
50 static device_method_t uart_ec_methods[] = {
51 /* Device interface */
52 DEVMETHOD(device_probe, uart_ec_probe),
53 DEVMETHOD(device_attach, uart_bus_attach),
54 DEVMETHOD(device_detach, uart_bus_detach),
55 { 0, 0 }
56 };
57
58 static driver_t uart_ec_driver = {
59 uart_driver_name,
60 uart_ec_methods,
61 sizeof(struct uart_softc),
62 };
63
64 static int
uart_ec_probe(device_t dev)65 uart_ec_probe(device_t dev)
66 {
67 struct uart_softc *sc;
68 int status;
69
70 sc = device_get_softc(dev);
71 sc->sc_class = &uart_ns8250_class;
72 status = uart_bus_probe(dev, EC_UART_REGSHIFT, EC_UART_CLOCK, 0, 0);
73 return (status);
74 }
75
76 DRIVER_MODULE(uart, econaarm, uart_ec_driver, uart_devclass, 0, 0);
77