1/*-
2 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
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 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <stand.h>
31#include "bootstrap.h"
32#include "glue.h"
33
34int console;
35
36static void uboot_cons_probe(struct console *cp);
37static int uboot_cons_init(int);
38static void uboot_cons_putchar(int);
39static int uboot_cons_getchar(void);
40static int uboot_cons_poll(void);
41
42struct console uboot_console = {
43	"uboot",
44	"U-Boot console",
45	0,
46	uboot_cons_probe,
47	uboot_cons_init,
48	uboot_cons_putchar,
49	uboot_cons_getchar,
50	uboot_cons_poll,
51};
52
53static void
54uboot_cons_probe(struct console *cp)
55{
56
57	cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
58}
59
60static int
61uboot_cons_init(int arg)
62{
63
64	return (0);
65}
66
67static void
68uboot_cons_putchar(int c)
69{
70
71	if (c == '\n')
72		ub_putc('\r');
73
74	ub_putc(c);
75}
76
77static int
78uboot_cons_getchar()
79{
80
81	return (ub_getc());
82}
83
84static int
85uboot_cons_poll()
86{
87
88	return (ub_tstc());
89}
90