source: rtems/c/src/lib/libbsp/arm/raspberrypi/include/mmu.h @ 8fbe2e6

4.115
Last change on this file since 8fbe2e6 was c499856, checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47

Change all references of rtems.com to rtems.org.
  • Property mode set to 100644
File size: 1.3 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup rapberrypi_mmu
5 *
6 * @brief MMU API.
7 */
8
9/*
10 * Copyright (c) 2013 Alan Cudmore.
11 * based on work by:
12 * Copyright (c) 2009
13 * embedded brains GmbH
14 * Obere Lagerstr. 30
15 * D-82178 Puchheim
16 * Germany
17 * <rtems@embedded-brains.de>
18 *
19 *  The license and distribution terms for this file may be
20 *  found in the file LICENSE in this distribution or at
21 *
22 *  http://www.rtems.org/license/LICENSE
23 *
24 */
25
26#ifndef LIBBSP_ARM_RASPBERRYPI_MMU_H
27#define LIBBSP_ARM_RASPBERRYPI_MMU_H
28
29#include <libcpu/arm-cp15.h>
30
31#ifdef __cplusplus
32extern "C" {
33#endif /* __cplusplus */
34
35/**
36 * @defgroup raspberrypi_mmu MMU Support
37 *
38 * @ingroup arm_raspberrypi
39 *
40 * @brief MMU support.
41 *
42 * @{
43 */
44
45#define RASPBERRYPI_MMU_CLIENT_DOMAIN 15U
46
47#define RASPBERRYPI_MMU_READ_ONLY \
48  ((RASPBERRYPI_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
49    | ARM_MMU_SECT_DEFAULT)
50
51#define RASPBERRYPI_MMU_READ_ONLY_CACHED \
52  (RASPBERRYPI_MMU_READ_ONLY | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
53
54#define RASPBERRYPI_MMU_READ_WRITE \
55  ((RASPBERRYPI_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
56    | ARM_MMU_SECT_AP_0 \
57    | ARM_MMU_SECT_DEFAULT)
58
59#define RASPBERRYPI_MMU_READ_WRITE_CACHED \
60  (RASPBERRYPI_MMU_READ_WRITE | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
61
62/** @} */
63
64#ifdef __cplusplus
65}
66#endif /* __cplusplus */
67
68#endif /* LIBBSP_ARM_RASPBERRYPI_MMU_H */
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