source: mainline/kernel/genarch/src/drivers/dsrln/dsrlnout.c@ 04b29ca

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 04b29ca was 9f7b303, checked in by Martin Decky <martin@…>, 17 years ago

add dummy serial line input and output drivers

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 * Copyright (c) 2009 Martin Decky
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 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - 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 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup genarch
30 * @{
31 */
32/**
33 * @file
34 * @brief Dummy serial line output.
35 */
36
37
38#include <genarch/drivers/dsrln/dsrlnout.h>
39#include <console/chardev.h>
40#include <arch/asm.h>
41#include <console/console.h>
42#include <sysinfo/sysinfo.h>
43
44static ioport8_t *dsrlnout_base;
45
46static void dsrlnout_putchar(outdev_t *dev __attribute__((unused)), const char ch, bool silent)
47{
48 if (!silent)
49 pio_write_8(dsrlnout_base, ch);
50}
51
52static outdev_t dsrlnout_console;
53static outdev_operations_t dsrlnout_ops = {
54 .write = dsrlnout_putchar
55};
56
57void dsrlnout_init(ioport8_t *base)
58{
59 /* Initialize the software structure. */
60 dsrlnout_base = base;
61
62 outdev_initialize("dsrlnout", &dsrlnout_console, &dsrlnout_ops);
63 stdout = &dsrlnout_console;
64
65 sysinfo_set_item_val("fb", NULL, true);
66 sysinfo_set_item_val("fb.kind", NULL, 3);
67 sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(base));
68}
69
70/** @}
71 */
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