tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/mpu/fsl_mpu_hal.c

   1 /*
   2  * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  * o Redistributions of source code must retain the above copyright notice, this list
   9  *   of conditions and the following disclaimer.
  10  *
  11  * o Redistributions in binary form must reproduce the above copyright notice, this
  12  *   list of conditions and the following disclaimer in the documentation and/or
  13  *   other materials provided with the distribution.
  14  *
  15  * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
  16  *   contributors may be used to endorse or promote products derived from this
  17  *   software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
  23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "fsl_mpu_hal.h"
  32
  33 #ifndef MBED_NO_MPU
  34
  35 /*******************************************************************************
  36  * Definitions
  37  *******************************************************************************/
  38
  39 /*******************************************************************************
  40  * Variables
  41  *******************************************************************************/
  42
  43 /*******************************************************************************
  44  * Code
  45  *******************************************************************************/
  46
  47 /*******************************************************************************
  48  * EOF
  49  *******************************************************************************/
  50
  51 /*FUNCTION**********************************************************************
  52  *
  53  * Function Name : MPU_HAL_Init
  54  * Description   : Initialize MPU module and all regoins will be invalid after cleared access permission.
  55  *
  56  *END**************************************************************************/
  57 void MPU_HAL_Init(uint32_t baseAddr)
  58 {
  59     uint32_t i;
  60
  61     MPU_HAL_Disable(baseAddr);
  62
  63     for(i = 1; i < FSL_FEATURE_MPU_DESCRIPTOR_COUNT; i++)
  64     {
  65         MPU_HAL_SetRegionStartAddr(baseAddr, (mpu_region_num)i, (uint32_t)0);
  66
  67         MPU_HAL_SetRegionEndAddr(baseAddr, (mpu_region_num)i, (uint32_t)0);
  68     }
  69 }
  70
  71 #endif /* MBED_NO_MPU */