/* * 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 "rdc.h" /******************************************************************************* * Code ******************************************************************************/ /*FUNCTION********************************************************************** * * Function Name : RDC_SetMrAccess * Description : Set RDC memory region access permission for RDC domains * *END**************************************************************************/ void RDC_SetMrAccess(RDC_Type * base, uint32_t mr, uint32_t startAddr, uint32_t endAddr, uint8_t perm, bool enable, bool lock) { base->MR[mr].MRSA = startAddr; base->MR[mr].MREA = endAddr; base->MR[mr].MRC = perm | (enable ? RDC_MRC_ENA_MASK : 0) | (lock ? RDC_MRC_LCK_MASK : 0); } /*FUNCTION********************************************************************** * * Function Name : RDC_GetMrAccess * Description : Get RDC memory region access permission for RDC domains * *END**************************************************************************/ uint8_t RDC_GetMrAccess(RDC_Type * base, uint32_t mr, uint32_t *startAddr, uint32_t *endAddr) { if (startAddr) *startAddr = base->MR[mr].MRSA; if (endAddr) *endAddr = base->MR[mr].MREA; return base->MR[mr].MRC & 0xFF; } /*FUNCTION********************************************************************** * * Function Name : RDC_GetViolationStatus * Description : Get RDC memory violation status * *END**************************************************************************/ bool RDC_GetViolationStatus(RDC_Type * base, uint32_t mr, uint32_t *violationAddr, uint32_t *violationDomain) { uint32_t mrvs; mrvs = base->MR[mr].MRVS; if (violationAddr) *violationAddr = mrvs & RDC_MRVS_VADR_MASK; if (violationDomain) *violationDomain = (mrvs & RDC_MRVS_VDID_MASK) >> RDC_MRVS_VDID_SHIFT; return (bool)(mrvs & RDC_MRVS_AD_MASK); } /******************************************************************************* * EOF ******************************************************************************/