initial commit, FreeRTOS_BSP_1.0.0_iMX7D

1 files changed, 257 insertions, 0 deletions

diff --git a/platform/drivers/inc/rdc.h b/platform/drivers/inc/rdc.h
new file mode 100644
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+/*
+ * 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.
+ */
+
+#ifndef __RDC_H__
+#define __RDC_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <assert.h>
+#include "device_imx.h"
+
+/*!
+ * @addtogroup rdc_driver
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name RDC State Control
+ * @{
+ */
+
+/*!
+ * @brief Get domain ID of core that is reading this
+ *
+ * @param base RDC base pointer.
+ * @return Domain ID of self core
+ */
+static inline uint32_t RDC_GetSelfDomainID(RDC_Type * base)
+{
+    return (base->STAT & RDC_STAT_DID_MASK) >> RDC_STAT_DID_SHIFT;
+}
+
+/*!
+ * @brief Check whether memory region controlled by RDC is accessible after low power recovery
+ *
+ * @param base RDC base pointer.
+ * @return Memory region power status (true: on and accessible, false: off)
+ */
+static inline bool RDC_IsMemPowered(RDC_Type * base)
+{
+    return (bool)(base->STAT & RDC_STAT_PDS_MASK);
+}
+
+/*!
+ * @brief Check whether there's pending RDC memory region restoration interrupt
+ *
+ * @param base RDC base pointer.
+ * @return RDC interrupt status (true: interrupt pending, false: no interrupt pending)
+ */
+static inline bool RDC_IsIntPending(RDC_Type * base)
+{
+    return (bool)(base->INTSTAT);
+}
+
+/*!
+ * @brief Clear interrupt status
+ *
+ * @param base RDC base pointer.
+ */
+static inline void RDC_ClearStatusFlag(RDC_Type * base)
+{
+    base->INTSTAT = RDC_INTSTAT_INT_MASK;
+}
+
+/*!
+ * @brief Set RDC interrupt mode
+ *
+ * @param base RDC base pointer
+ * @param enable RDC interrupt control (true: enable, false: disable)
+ */
+static inline void RDC_SetIntCmd(RDC_Type * base, bool enable)
+{
+    base->INTCTRL = enable ? RDC_INTCTRL_RCI_EN_MASK : 0;
+}
+
+/*@}*/
+
+/*!
+ * @name RDC Domain Control
+ * @{
+ */
+
+/*!
+ * @brief Set RDC domain ID for RDC master
+ *
+ * @param base RDC base pointer
+ * @param mda RDC master assignment (see _rdc_mda in rdc_defs_<device>.h)
+ * @param domainId RDC domain ID (0-3)
+ * @param lock Whether to lock this setting? Once locked, no one can change the domain assignment until reset
+ */
+static inline void RDC_SetDomainID(RDC_Type * base, uint32_t mda, uint32_t domainId, bool lock)
+{
+    assert (domainId <= RDC_MDA_DID_MASK);
+    base->MDA[mda] = RDC_MDA_DID(domainId) | (lock ? RDC_MDA_LCK_MASK : 0);
+}
+
+/*!
+ * @brief Get RDC domain ID for RDC master
+ *
+ * @param base RDC base pointer
+ * @param mda RDC master assignment (see _rdc_mda in rdc_defs_<device>.h)
+ * @return RDC domain ID (0-3)
+ */
+static inline uint32_t RDC_GetDomainID(RDC_Type * base, uint32_t mda)
+{
+    return base->MDA[mda] & RDC_MDA_DID_MASK;
+}
+
+/*!
+ * @brief Set RDC peripheral access permission for RDC domains
+ *
+ * @param base RDC base pointer
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ * @param perm RDC access permission from RDC domain to peripheral (byte: D3R D3W D2R D2W D1R D1W D0R D0W)
+ * @param sreq Force acquiring SEMA42 to access this peripheral or not
+ * @param lock Whether to lock this setting or not. Once locked, no one can change the RDC setting until reset
+ */
+static inline void RDC_SetPdapAccess(RDC_Type * base, uint32_t pdap, uint8_t perm, bool sreq, bool lock)
+{
+    base->PDAP[pdap] = perm | (sreq ? RDC_PDAP_SREQ_MASK : 0) | (lock ? RDC_PDAP_LCK_MASK : 0);
+}
+
+/*!
+ * @brief Get RDC peripheral access permission for RDC domains
+ *
+ * @param base RDC base pointer
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ * @return RDC access permission from RDC domain to peripheral (byte: D3R D3W D2R D2W D1R D1W D0R D0W)
+ */
+static inline uint8_t RDC_GetPdapAccess(RDC_Type * base, uint32_t pdap)
+{
+    return base->PDAP[pdap] & 0xFF;
+}
+
+/*!
+ * @brief Check whether RDC semaphore is required to access the peripheral
+ *
+ * @param base RDC base pointer
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ * @return RDC semaphore required or not (true: required, false: not required)
+ */
+static inline bool RDC_IsPdapSemaphoreRequired(RDC_Type * base, uint32_t pdap)
+{
+    return (bool)(base->PDAP[pdap] & RDC_PDAP_SREQ_MASK);
+}
+
+/*!
+ * @brief Set RDC memory region access permission for RDC domains
+ *
+ * @param base RDC base pointer
+ * @param mr RDC memory region assignment (see _rdc_mr in rdc_defs_<device>.h)
+ * @param startAddr memory region start address (inclusive)
+ * @param endAddr memory region end address (exclusive)
+ * @param perm RDC access permission from RDC domain to peripheral (byte: D3R D3W D2R D2W D1R D1W D0R D0W)
+ * @param enable Enable this memory region for RDC control or not
+ * @param lock Whether to lock this setting or not. Once locked, no one can change the RDC setting until reset
+ */
+void RDC_SetMrAccess(RDC_Type * base, uint32_t mr, uint32_t startAddr, uint32_t endAddr,
+                     uint8_t perm, bool enable, bool lock);
+
+/*!
+ * @brief Get RDC memory region access permission for RDC domains
+ *
+ * @param base RDC base pointer
+ * @param mr RDC memory region assignment (see _rdc_mr in rdc_defs_<device>.h)
+ * @param startAddr pointer to get memory region start address (inclusive), NULL is allowed.
+ * @param endAddr pointer to get memory region end address (exclusive), NULL is allowed.
+ * @return RDC access permission from RDC domain to peripheral (byte: D3R D3W D2R D2W D1R D1W D0R D0W)
+ */
+uint8_t RDC_GetMrAccess(RDC_Type * base, uint32_t mr, uint32_t *startAddr, uint32_t *endAddr);
+
+
+/*!
+ * @brief Check whether the memory region is enabled
+ *
+ * @param base RDC base pointer
+ * @param mr RDC memory region assignment (see _rdc_mr in rdc_defs_<device>.h)
+ * @return Memory region enabled or not (true: enabled, false: not enabled)
+ */
+static inline bool RDC_IsMrEnabled(RDC_Type * base, uint32_t mr)
+{
+    return (bool)(base->MR[mr].MRC & RDC_MRC_ENA_MASK);
+}
+
+/*!
+ * @brief Get memory violation status
+ *
+ * @param base RDC base pointer
+ * @param mr RDC memory region assignment (see _rdc_mr in rdc_defs_<device>.h)
+ * @param violationAddr Pointer to store violation address, NULL allowed
+ * @param violationDomain Pointer to store domain ID causing violation, NULL allowed
+ * @return Memory violation occured or not (true: violation happened, false: no violation happened)
+ */
+bool RDC_GetViolationStatus(RDC_Type * base, uint32_t mr, uint32_t *violationAddr, uint32_t *violationDomain);
+
+/*!
+ * @brief Clear RDC violation status
+ *
+ * @param base RDC base pointer
+ * @param mr RDC memory region assignment (see _rdc_mr in rdc_defs_<device>.h)
+ */
+static inline void RDC_ClearViolationStatus(RDC_Type * base, uint32_t mr)
+{
+    base->MR[mr].MRVS = RDC_MRVS_AD_MASK;
+}
+
+/*@}*/
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @}*/
+
+#endif /* __RDC_H__ */
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/