150 lines
6.9 KiB
C
150 lines
6.9 KiB
C
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/*
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ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file common/ARMCMx/mpu.h
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* @brief Cortex-Mx MPU support macros and structures.
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*
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* @addtogroup COMMON_ARMCMx_MPU
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* @{
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*/
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#ifndef _MPU_H_
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#define _MPU_H_
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @name MPU registers definitions
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* @{
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*/
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#define MPU_CTRL_ENABLE (1U << 0U)
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#define MPU_CTRL_HFNMIENA (1U << 1U)
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#define MPU_CTRL_PRIVDEFENA (1U << 2U)
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#define MPU_RNR_REGION_MASK (255U << 0U)
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#define MPU_RNR_REGION(n) ((n) << 0U)
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#define MPU_RBAR_REGION_MASK (15U << 0U)
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#define MPU_RBAR_REGION(n) ((n) << 0U)
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#define MPU_RBAR_VALID (1U << 4U)
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#define MPU_RBAR_ADDR_MASK 0xFFFFFFE0U
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#define MPU_RBAR_ADDR(n) ((n) << 5U)
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#define MPU_RASR_ENABLE (1U << 0U)
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#define MPU_RASR_SIZE_MASK (31U << 1U)
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#define MPU_RASR_SIZE(n) ((n) << 1U)
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#define MPU_RASR_SIZE_32 MPU_RASR_SIZE(4U)
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#define MPU_RASR_SIZE_64 MPU_RASR_SIZE(5U)
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#define MPU_RASR_SIZE_128 MPU_RASR_SIZE(6U)
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#define MPU_RASR_SIZE_256 MPU_RASR_SIZE(7U)
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#define MPU_RASR_SIZE_512 MPU_RASR_SIZE(8U)
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#define MPU_RASR_SIZE_1K MPU_RASR_SIZE(9U)
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#define MPU_RASR_SIZE_2K MPU_RASR_SIZE(10U)
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#define MPU_RASR_SIZE_4K MPU_RASR_SIZE(11U)
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#define MPU_RASR_SIZE_8K MPU_RASR_SIZE(12U)
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#define MPU_RASR_SIZE_16K MPU_RASR_SIZE(13U)
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#define MPU_RASR_SIZE_32K MPU_RASR_SIZE(14U)
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#define MPU_RASR_SIZE_64K MPU_RASR_SIZE(15U)
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#define MPU_RASR_SIZE_128K MPU_RASR_SIZE(16U)
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#define MPU_RASR_SIZE_256K MPU_RASR_SIZE(17U)
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#define MPU_RASR_SIZE_512K MPU_RASR_SIZE(18U)
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#define MPU_RASR_SIZE_1M MPU_RASR_SIZE(19U)
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#define MPU_RASR_SIZE_2M MPU_RASR_SIZE(20U)
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#define MPU_RASR_SIZE_4M MPU_RASR_SIZE(21U)
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#define MPU_RASR_SIZE_8M MPU_RASR_SIZE(22U)
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#define MPU_RASR_SIZE_16M MPU_RASR_SIZE(23U)
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#define MPU_RASR_SIZE_32M MPU_RASR_SIZE(24U)
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#define MPU_RASR_SIZE_64M MPU_RASR_SIZE(25U)
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#define MPU_RASR_SIZE_128M MPU_RASR_SIZE(26U)
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#define MPU_RASR_SIZE_256M MPU_RASR_SIZE(27U)
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#define MPU_RASR_SIZE_512M MPU_RASR_SIZE(28U)
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#define MPU_RASR_SIZE_1G MPU_RASR_SIZE(29U)
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#define MPU_RASR_SIZE_2G MPU_RASR_SIZE(30U)
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#define MPU_RASR_SIZE_4G MPU_RASR_SIZE(31U)
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#define MPU_RASR_SRD_MASK (255U << 8U)
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#define MPU_RASR_SRD(n) ((n) << 8U)
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#define MPU_RASR_SRD_ALL (0U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB1 (1U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB2 (2U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB3 (4U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB4 (8U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB5 (16U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB6 (32U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB7 (64U << 8U)
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#define MPU_RASR_SRD_DISABLE_SUB8 (128U << 8U)
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#define MPU_RASR_ATTR_B (1U << 16U)
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#define MPU_RASR_ATTR_C (1U << 17U)
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#define MPU_RASR_ATTR_S (1U << 18U)
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#define MPU_RASR_ATTR_TEX_MASK (7U << 19U)
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#define MPU_RASR_ATTR_TEX(n) ((n) << 19U)
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#define MPU_RASR_ATTR_AP_MASK (7U << 24U)
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#define MPU_RASR_ATTR_AP(n) ((n) << 24U)
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#define MPU_RASR_ATTR_AP_NA_NA (0U << 24U)
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#define MPU_RASR_ATTR_AP_RW_NA (1U << 24U)
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#define MPU_RASR_ATTR_AP_RW_RO (2U << 24U)
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#define MPU_RASR_ATTR_AP_RW_RW (3U << 24U)
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#define MPU_RASR_ATTR_AP_RO_NA (5U << 24U)
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#define MPU_RASR_ATTR_AP_RO_RO (6U << 24U)
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#define MPU_RASR_ATTR_XN (1U << 28U)
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/** @} */
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/**
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* @name Region attributes
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* @{
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*/
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#define MPU_RASR_ATTR_STRONGLY_ORDERED (MPU_RASR_ATTR_TEX(0))
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#define MPU_RASR_ATTR_SHARED_DEVICE (MPU_RASR_ATTR_TEX(0) | MPU_RASR_ATTR_B)
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#define MPU_RASR_ATTR_CACHEABLE_WT_NWA (MPU_RASR_ATTR_TEX(0) | MPU_RASR_ATTR_C)
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#define MPU_RASR_ATTR_CACHEABLE_WB_NWA (MPU_RASR_ATTR_TEX(0) | MPU_RASR_ATTR_B | MPU_RASR_ATTR_C)
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#define MPU_RASR_ATTR_NON_CACHEABLE (MPU_RASR_ATTR_TEX(1))
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#define MPU_RASR_ATTR_CACHEABLE_WB_WA (MPU_RASR_ATTR_TEX(1) | MPU_RASR_ATTR_B | MPU_RASR_ATTR_C)
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#define MPU_RASR_ATTR_NON_SHARED_DEVICE (MPU_RASR_ATTR_TEX(2))
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _MPU_H_ */
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/** @} */
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