initial commit, FreeRTOS_BSP_1.0.0_iMX7D

1 files changed, 142 insertions, 0 deletions

diff --git a/platform/drivers/inc/rdc_semaphore.h b/platform/drivers/inc/rdc_semaphore.h
new file mode 100644
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+++ b/platform/drivers/inc/rdc_semaphore.h
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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_SEMAPHORE_H__
+#define __RDC_SEMAPHORE_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "device_imx.h"
+
+/*!
+ * @addtogroup rdc_semaphore_driver
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+#define RDC_SEMAPHORE_MASTER_NONE           (0xFF)
+
+/*!
+ * @brief RDC SEMAPHORE status return codes.
+ */
+typedef enum _rdc_semaphore_status
+{
+    statusRdcSemaphoreSuccess  = 0U, /*!< Success.                                          */
+    statusRdcSemaphoreBusy     = 1U  /*!< RDC semaphore has been locked by other processor. */
+} rdc_semaphore_status_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name RDC_SEMAPHORE State Control
+ * @{
+ */
+
+/*!
+ * @brief Lock RDC semaphore for shared peripheral access
+ *
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ * @retval statusRdcSemaphoreSuccess Lock the semaphore successfully.
+ * @retval statusRdcSemaphoreBusy    Semaphore has been locked by other processor.
+ */
+rdc_semaphore_status_t RDC_SEMAPHORE_TryLock(uint32_t pdap);
+
+/*!
+ * @brief Lock RDC semaphore for shared peripheral access, polling until success.
+ *
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ */
+void RDC_SEMAPHORE_Lock(uint32_t pdap);
+
+/*!
+ * @brief Unlock RDC semaphore
+ *
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ */
+void RDC_SEMAPHORE_Unlock(uint32_t pdap);
+
+/*!
+ * @brief Get domain ID which locks the semaphore
+ *
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ * @return domain ID which locks the RDC semaphore
+ */
+uint32_t RDC_SEMAPHORE_GetLockDomainID(uint32_t pdap);
+
+/*!
+ * @brief Get master index which locks the semaphore
+ *
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ * @return master index which locks the RDC semaphore, or RDC_SEMAPHORE_MASTER_NONE
+ *         to indicate it is not locked.
+ */
+uint32_t RDC_SEMAPHORE_GetLockMaster(uint32_t pdap);
+
+/*@}*/
+
+/*!
+ * @name RDC_SEMAPHORE Reset Control
+ * @{
+ */
+
+/*!
+ * @brief Reset RDC semaphore to unlocked status
+ *
+ * @param pdap RDC peripheral assignment (see _rdc_pdap in rdc_defs_<device>.h)
+ */
+void RDC_SEMAPHORE_Reset(uint32_t pdap);
+
+/*!
+ * @brief Reset all RDC semaphors to unlocked status for certain RDC_SEMAPHORE instance
+ *
+ * @param base RDC semaphore base pointer.
+ */
+void RDC_SEMAPHORE_ResetAll(RDC_SEMAPHORE_Type *base);
+
+/*@}*/
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @}*/
+
+#endif /* __RDC_SEMAPHORE_H__ */
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/