source: mainline/kernel/arch/sparc64/src/drivers/kbd.c@ 8b4be29

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 8b4be29 was 8b4be29, checked in by Jakub Jermar <jakub@…>, 19 years ago

Add an option to compile the sparc64 kernel for Ultra 5 or Enterprise E6500.
Basic keyboard support (polling) based on ns16550 serial port (deployed on Ultra).

  • Property mode set to 100644
File size: 2.4 KB
Line 
1/*
2 * Copyright (C) 2006 Jakub Jermar
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 sparc64
30 * @{
31 */
32/** @file
33 */
34
35#include <arch/drivers/kbd.h>
36#ifdef CONFIG_Z8530
37#include <genarch/kbd/z8530.h>
38#endif
39#ifdef CONFIG_NS16550
40#include <genarch/kbd/ns16550.h>
41#endif
42
43#include <arch/boot/boot.h>
44#include <arch/mm/page.h>
45#include <arch/types.h>
46#include <typedefs.h>
47#include <align.h>
48
49volatile uint8_t *kbd_virt_address = NULL;
50
51void kbd_init()
52{
53 size_t offset;
54 uintptr_t aligned_addr;
55
56 /* FIXME: supply value read from OpenFirmware */
57 bootinfo.keyboard.size = 8;
58
59 /*
60 * We need to pass aligned address to hw_map().
61 * However, the physical keyboard address can
62 * be pretty much unaligned on some systems
63 * (e.g. Ultra 5, Ultras 60).
64 */
65 aligned_addr = ALIGN_DOWN(bootinfo.keyboard.addr, PAGE_SIZE);
66 offset = bootinfo.keyboard.addr - aligned_addr;
67 kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + bootinfo.keyboard.size) + offset;
68
69#ifdef CONFIG_Z8530
70 z8530_init();
71#endif
72#ifdef CONFIG_NS16550
73 ns16550_init();
74#endif
75}
76
77/** @}
78 */
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