forked from Imagelibrary/rtems
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/**
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* @file
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*
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* @ingroup rapberrypi_mmu
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*
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* @brief MMU API.
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*/
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/*
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* Copyright (c) 2013 Alan Cudmore.
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* based on work by:
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* Copyright (c) 2009 embedded brains GmbH & Co. KG
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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*
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* http://www.rtems.org/license/LICENSE
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*
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*/
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#ifndef LIBBSP_ARM_RASPBERRYPI_MMU_H
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#define LIBBSP_ARM_RASPBERRYPI_MMU_H
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#include <libcpu/arm-cp15.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @defgroup raspberrypi_mmu MMU Support
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*
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* @ingroup RTEMSBSPsARMRaspberryPi
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*
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* @brief MMU support.
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*
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* @{
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*/
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#define RASPBERRYPI_MMU_CLIENT_DOMAIN 15U
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#define RASPBERRYPI_MMU_READ_ONLY \
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((RASPBERRYPI_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
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| ARM_MMU_SECT_DEFAULT)
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#define RASPBERRYPI_MMU_READ_ONLY_CACHED \
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(RASPBERRYPI_MMU_READ_ONLY | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
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#define RASPBERRYPI_MMU_READ_WRITE \
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((RASPBERRYPI_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
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| ARM_MMU_SECT_AP_0 \
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| ARM_MMU_SECT_DEFAULT)
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#define RASPBERRYPI_MMU_READ_WRITE_CACHED \
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(RASPBERRYPI_MMU_READ_WRITE | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
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/** @} */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_ARM_RASPBERRYPI_MMU_H */
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