diff options
author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-10-30 16:31:29 +0100 |
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committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-10-31 11:54:38 +0100 |
commit | 56e86c626df3dbf74c1021210636a7c5d92a49ce (patch) | |
tree | 54ba9581ad14d838d8926e4e6d673befad1f932c /drivers/fsl_mpu.c | |
parent | 4dfc5493fec8f6290457446b0478695b153da60a (diff) |
move to cmakeapalis-tk1-k20-freertos-v9
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'drivers/fsl_mpu.c')
-rw-r--r-- | drivers/fsl_mpu.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/drivers/fsl_mpu.c b/drivers/fsl_mpu.c deleted file mode 100644 index 8e0e77d..0000000 --- a/drivers/fsl_mpu.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * Copyright (c) 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 "fsl_mpu.h" - -/******************************************************************************* - * Variables - ******************************************************************************/ - -const clock_ip_name_t g_mpuClock[FSL_FEATURE_SOC_MPU_COUNT] = MPU_CLOCKS; - -/******************************************************************************* - * Codes - ******************************************************************************/ - -void MPU_Init(MPU_Type *base, const mpu_config_t *config) -{ - assert(config); - uint8_t count; - - /* Un-gate MPU clock */ - CLOCK_EnableClock(g_mpuClock[0]); - - /* Initializes the regions. */ - for (count = 1; count < FSL_FEATURE_MPU_DESCRIPTOR_COUNT; count++) - { - base->WORD[count][3] = 0; /* VLD/VID+PID. */ - base->WORD[count][0] = 0; /* Start address. */ - base->WORD[count][1] = 0; /* End address. */ - base->WORD[count][2] = 0; /* Access rights. */ - base->RGDAAC[count] = 0; /* Alternate access rights. */ - } - - /* MPU configure. */ - while (config) - { - MPU_SetRegionConfig(base, &(config->regionConfig)); - config = config->next; - } - /* Enable MPU. */ - MPU_Enable(base, true); -} - -void MPU_Deinit(MPU_Type *base) -{ - /* Disable MPU. */ - MPU_Enable(base, false); - - /* Gate the clock. */ - CLOCK_DisableClock(g_mpuClock[0]); -} - -void MPU_GetHardwareInfo(MPU_Type *base, mpu_hardware_info_t *hardwareInform) -{ - assert(hardwareInform); - - uint32_t cesReg = base->CESR; - - hardwareInform->hardwareRevisionLevel = (cesReg & MPU_CESR_HRL_MASK) >> MPU_CESR_HRL_SHIFT; - hardwareInform->slavePortsNumbers = (cesReg & MPU_CESR_NSP_MASK) >> MPU_CESR_NSP_SHIFT; - hardwareInform->regionsNumbers = (mpu_region_total_num_t)((cesReg & MPU_CESR_NRGD_MASK) >> MPU_CESR_NRGD_SHIFT); -} - -void MPU_SetRegionConfig(MPU_Type *base, const mpu_region_config_t *regionConfig) -{ - assert(regionConfig); - assert(regionConfig->regionNum < FSL_FEATURE_MPU_DESCRIPTOR_COUNT); - - uint32_t wordReg = 0; - uint8_t msPortNum; - uint8_t regNumber = regionConfig->regionNum; - - /* The start and end address of the region descriptor. */ - base->WORD[regNumber][0] = regionConfig->startAddress; - base->WORD[regNumber][1] = regionConfig->endAddress; - - /* Set the privilege rights for master 0 ~ master 3. */ - for (msPortNum = 0; msPortNum <= FSL_FEATURE_MPU_PRIVILEGED_RIGHTS_MASTER_MAX_INDEX; msPortNum++) - { - wordReg |= MPU_REGION_RWXRIGHTS_MASTER( - msPortNum, (((uint32_t)regionConfig->accessRights1[msPortNum].superAccessRights << 3U) | - (uint32_t)regionConfig->accessRights1[msPortNum].userAccessRights)); - -#if FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER - wordReg |= - MPU_REGION_RWXRIGHTS_MASTER_PE(msPortNum, regionConfig->accessRights1[msPortNum].processIdentifierEnable); -#endif /* FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER */ - } - - /* Set the normal read write rights for master 4 ~ master 7. */ - for (msPortNum = FSL_FEATURE_MPU_PRIVILEGED_RIGHTS_MASTER_COUNT; msPortNum < FSL_FEATURE_MPU_MASTER_COUNT; - msPortNum++) - { - wordReg |= MPU_REGION_RWRIGHTS_MASTER(msPortNum, - ((uint32_t)regionConfig->accessRights2[msPortNum - FSL_FEATURE_MPU_PRIVILEGED_RIGHTS_MASTER_COUNT].readEnable << 1U | - (uint32_t)regionConfig->accessRights2[msPortNum - FSL_FEATURE_MPU_PRIVILEGED_RIGHTS_MASTER_COUNT].writeEnable)); - } - - /* Set region descriptor access rights. */ - base->WORD[regNumber][2] = wordReg; - - wordReg = MPU_WORD_VLD(1); -#if FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER - wordReg |= MPU_WORD_PID(regionConfig->processIdentifier) | MPU_WORD_PIDMASK(regionConfig->processIdMask); -#endif /* FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER */ - - base->WORD[regNumber][3] = wordReg; -} - -void MPU_SetRegionAddr(MPU_Type *base, uint32_t regionNum, uint32_t startAddr, uint32_t endAddr) -{ - assert(regionNum < FSL_FEATURE_MPU_DESCRIPTOR_COUNT); - - base->WORD[regionNum][0] = startAddr; - base->WORD[regionNum][1] = endAddr; -} - -void MPU_SetRegionRwxMasterAccessRights(MPU_Type *base, - uint32_t regionNum, - uint32_t masterNum, - const mpu_rwxrights_master_access_control_t *accessRights) -{ - assert(accessRights); - assert(regionNum < FSL_FEATURE_MPU_DESCRIPTOR_COUNT); - assert(masterNum <= FSL_FEATURE_MPU_PRIVILEGED_RIGHTS_MASTER_MAX_INDEX); - - uint32_t mask = MPU_REGION_RWXRIGHTS_MASTER_MASK(masterNum); - uint32_t right = base->RGDAAC[regionNum]; - -#if FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER - mask |= MPU_REGION_RWXRIGHTS_MASTER_PE_MASK(masterNum); -#endif - - /* Build rights control value. */ - right &= ~mask; - right |= MPU_REGION_RWXRIGHTS_MASTER( - masterNum, ((uint32_t)(accessRights->superAccessRights << 3U) | accessRights->userAccessRights)); -#if FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER - right |= MPU_REGION_RWXRIGHTS_MASTER_PE(masterNum, accessRights->processIdentifierEnable); -#endif /* FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER */ - - /* Set low master region access rights. */ - base->RGDAAC[regionNum] = right; -} - -void MPU_SetRegionRwMasterAccessRights(MPU_Type *base, - uint32_t regionNum, - uint32_t masterNum, - const mpu_rwrights_master_access_control_t *accessRights) -{ - assert(accessRights); - assert(regionNum < FSL_FEATURE_MPU_DESCRIPTOR_COUNT); - assert(masterNum > FSL_FEATURE_MPU_PRIVILEGED_RIGHTS_MASTER_MAX_INDEX); - assert(masterNum <= FSL_FEATURE_MPU_MASTER_MAX_INDEX); - - uint32_t mask = MPU_REGION_RWRIGHTS_MASTER_MASK(masterNum); - uint32_t right = base->RGDAAC[regionNum]; - - /* Build rights control value. */ - right &= ~mask; - right |= - MPU_REGION_RWRIGHTS_MASTER(masterNum, (((uint32_t)accessRights->readEnable << 1U) | accessRights->writeEnable)); - /* Set low master region access rights. */ - base->RGDAAC[regionNum] = right; -} - -bool MPU_GetSlavePortErrorStatus(MPU_Type *base, mpu_slave_t slaveNum) -{ - uint8_t sperr; - - sperr = ((base->CESR & MPU_CESR_SPERR_MASK) >> MPU_CESR_SPERR_SHIFT) & (0x1U << slaveNum); - - return (sperr != 0) ? true : false; -} - -void MPU_GetDetailErrorAccessInfo(MPU_Type *base, mpu_slave_t slaveNum, mpu_access_err_info_t *errInform) -{ - assert(errInform); - - uint16_t value; - uint32_t cesReg; - - /* Error address. */ - errInform->address = base->SP[slaveNum].EAR; - - /* Error detail information. */ - value = (base->SP[slaveNum].EDR & MPU_EDR_EACD_MASK) >> MPU_EDR_EACD_SHIFT; - if (!value) - { - errInform->accessControl = kMPU_NoRegionHit; - } - else if (!(value & (uint16_t)(value - 1))) - { - errInform->accessControl = kMPU_NoneOverlappRegion; - } - else - { - errInform->accessControl = kMPU_OverlappRegion; - } - - value = base->SP[slaveNum].EDR; - errInform->master = (uint32_t)((value & MPU_EDR_EMN_MASK) >> MPU_EDR_EMN_SHIFT); - errInform->attributes = (mpu_err_attributes_t)((value & MPU_EDR_EATTR_MASK) >> MPU_EDR_EATTR_SHIFT); - errInform->accessType = (mpu_err_access_type_t)((value & MPU_EDR_ERW_MASK) >> MPU_EDR_ERW_SHIFT); -#if FSL_FEATURE_MPU_HAS_PROCESS_IDENTIFIER - errInform->processorIdentification = (uint8_t)((value & MPU_EDR_EPID_MASK) >> MPU_EDR_EPID_SHIFT); -#endif - - /* Clears error slave port bit. */ - cesReg = (base->CESR & ~MPU_CESR_SPERR_MASK) | ((0x1U << slaveNum) << MPU_CESR_SPERR_SHIFT); - base->CESR = cesReg; -} |