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/*
* Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <assert.h>
#include <string.h>
#include "fsl_mpu_driver.h"
#include "fsl_clock_manager.h"
#include "fsl_interrupt_manager.h"
#if FSL_FEATURE_SOC_MPU_COUNT
/*******************************************************************************
* Definitions
*******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/*******************************************************************************
* Code
*******************************************************************************/
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_Init
* Description : MPU module init.
* This function is used to initialize MPU regions.
*
*END**************************************************************************/
mpu_status_t MPU_DRV_Init(uint32_t instance, const mpu_user_config_t *userConfigPtr)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
if(!userConfigPtr)
{
return kStatus_MPU_NullArgument;
}
CLOCK_SYS_EnableMpuClock(instance);
MPU_HAL_Init(base);
while(userConfigPtr)
{
MPU_DRV_SetRegionConfig(instance, &(userConfigPtr->regionConfig));
userConfigPtr = userConfigPtr->next;
}
MPU_HAL_Enable(base);
return kStatus_MPU_Success;
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_Deinit
* Description : MPU module deinit.
* This function is used to deinit MPU module---disable MPU and disable each region.
*
*END**************************************************************************/
void MPU_DRV_Deinit(uint32_t instance)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
MPU_HAL_Init(base);
CLOCK_SYS_DisableMpuClock(instance);
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_SetRegionConfig
* Description : MPU region init.
* This function is used to initialize a MPU region.
* Note: when writing to a region's word0~word3 will caused the region invalid
* so the region must be set valid by manual.
*END**************************************************************************/
mpu_status_t MPU_DRV_SetRegionConfig(uint32_t instance, const mpu_region_config_t *regionConfigPtr)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
MPU_HAL_SetRegionConfig(base, regionConfigPtr);
return kStatus_MPU_Success;
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_SetLowMasterAccessRights
* Description : Set low master access permission.
* This function is used to set low master access permission.
*
*END**************************************************************************/
mpu_status_t MPU_DRV_SetLowMasterAccessRights(uint32_t instance, mpu_region_num_t regionNum, mpu_master_t masterNum, const mpu_low_masters_access_rights_t *accessRightsPtr)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
if(!accessRightsPtr)
{
return kStatus_MPU_NullArgument;
}
MPU_HAL_SetLowMasterAccessRightsByAlternateReg(base, regionNum, masterNum, accessRightsPtr);
return kStatus_MPU_Success;
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_SetHighMasterAccessRights
* Description : Set high master access permission.
* This function is used to set high master access permission.
*
*END**************************************************************************/
mpu_status_t MPU_DRV_SetHighMasterAccessRights(uint32_t instance, mpu_region_num_t regionNum, mpu_master_t masterNum, const mpu_high_masters_access_rights_t *accessRightsPtr)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
if(!accessRightsPtr)
{
return kStatus_MPU_NullArgument;
}
MPU_HAL_SetHighMasterAccessRightsByAlternateReg(base, regionNum, masterNum, accessRightsPtr);
return kStatus_MPU_Success;
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_SetRegionAddr
* Description : Set region start address.
* This function is used to set region start address.
*
*END**************************************************************************/
void MPU_DRV_SetRegionAddr(uint32_t instance, mpu_region_num_t regionNum, uint32_t startAddr, uint32_t endAddr)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
MPU_HAL_SetRegionAddr(base, regionNum, startAddr, endAddr);
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_SetRegionValidCmd
* Description : set a region valid or invalid.
* This function is used to set a region valid or invalid.
*
*END**************************************************************************/
void MPU_DRV_SetRegionValidCmd(uint32_t instance, mpu_region_num_t regionNum, bool enable)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
MPU_HAL_SetRegionValidCmd(base, regionNum, enable);
}
/*FUNCTION**********************************************************************
*
* Function Name : MPU_DRV_GetDetailErrorAccessInfo
* Description : Gets error access detail information.
* Attention: It is possible for two masters access error in same cycle, so a array pointer is needed.
*
*END**************************************************************************/
mpu_status_t MPU_DRV_GetDetailErrorAccessInfo(uint32_t instance, mpu_access_err_info_t *errInfoArrayPtr)
{
assert(instance < MPU_INSTANCE_COUNT);
MPU_Type * base = g_mpuBase[instance];
if(!errInfoArrayPtr)
{
return kStatus_MPU_NullArgument;
}
MPU_HAL_GetDetailErrorAccessInfo(base, errInfoArrayPtr);
return kStatus_MPU_Success;
}
#endif
/*******************************************************************************
* EOF
*******************************************************************************/
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