source: mainline/boot/arch/arm32/include/main.h@ fd07e57b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since fd07e57b was 9f8a07d3, checked in by Maurizio Lombardi <m.lombardi85@…>, 13 years ago

bootloader: add support to the beaglebone UART0

  • Property mode set to 100644
File size: 2.5 KB
Line 
1/*
2 * Copyright (c) 2007 Michal Kebrt
3 * Copyright (c) 2010 Jiri Svoboda
4 * All rights reserved.
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 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/** @addtogroup arm32boot
31 * @{
32 */
33/** @file
34 * @brief Boot related declarations.
35 */
36
37#ifndef BOOT_arm32_MAIN_H
38#define BOOT_arm32_MAIN_H
39
40/** Address where characters to be printed are expected. */
41
42
43/** BeagleBoard-xM UART register address
44 *
45 * This is UART3 of AM/DM37x CPU
46 */
47#define BBXM_SCONS_THR 0x49020000
48#define BBXM_SCONS_SSR 0x49020044
49
50/* Check this bit before writing (tx fifo full) */
51#define BBXM_THR_FULL 0x00000001
52
53/** Beaglebone UART register addresses
54 *
55 * This is UART0 of AM335x CPU
56 */
57#define BBONE_SCONS_THR 0x44E09000
58#define BBONE_SCONS_SSR 0x44E09044
59
60/** Check this bit before writing (tx fifo full) */
61#define BBONE_TXFIFO_FULL 0x00000001
62
63/** GTA02 serial console UART register addresses.
64 *
65 * This is UART channel 2 of the S3C24xx CPU
66 */
67#define GTA02_SCONS_UTRSTAT 0x50008010
68#define GTA02_SCONS_UTXH 0x50008020
69
70/* Bits in UTXH register */
71#define S3C24XX_UTXH_TX_EMPTY 0x00000004
72
73
74/** IntegratorCP serial console output register */
75#define ICP_SCONS_ADDR 0x16000000
76
77extern void bootstrap(void);
78
79#endif
80
81/** @}
82 */
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