source: mainline/boot/arch/arm32/include/arch.h@ a44ae3dd

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a44ae3dd was d5f99e6, checked in by Jan Vesely <jano.vesely@…>, 13 years ago

boot, arm32: Cleanup PA offset macros.

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*
2 * Copyright (c) 2010 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#ifndef BOOT_arm32_ARCH_H
30#define BOOT_arm32_ARCH_H
31
32#define PAGE_WIDTH 12
33#define PAGE_SIZE (1 << PAGE_WIDTH)
34
35#define PTL0_ENTRIES 4096
36#define PTL0_ENTRY_SIZE 4
37
38/*
39 * Address where the boot stage image starts (beginning of usable physical
40 * memory).
41 */
42#ifdef MACHINE_gta02
43#define BOOT_BASE 0x30008000
44#elif defined MACHINE_beagleboardxm
45#define BOOT_BASE 0x80000000
46#else
47#define BOOT_BASE 0x00000000
48#endif
49
50#define BOOT_OFFSET (BOOT_BASE + 0xa00000)
51
52#ifdef MACHINE_beagleboardxm
53 #define PA_OFFSET 0
54#else
55 #define PA_OFFSET 0x80000000
56#endif
57
58#ifndef __ASM__
59 #define PA2KA(addr) (((uintptr_t) (addr)) + PA_OFFSET)
60#else
61 #define PA2KA(addr) ((addr) + PA_OFFSET)
62#endif
63
64
65#endif
66
67/** @}
68 */
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