Merge pull request #903 from TanekLiang/imx_rt

[bsp] add i.mx rt 1052 support
2026-11-09 20:45:41 +08:00 · 2017-10-26 18:16:31 +08:00
commit ebf0b32f52
@@ -0,0 +1 @@
+
@@ -0,0 +1,38 @@
+mainmenu "RT-Thread Configuration"
+
+config $BSP_DIR
+    string
+    option env="BSP_ROOT"
+    default "."
+
+config $RTT_DIR
+    string
+    option env="RTT_ROOT"
+    default "../.."
+
+config $PKGS_DIR
+    string
+    option env="PKGS_ROOT"
+    default "packages"
+
+source "$RTT_DIR/KConfig"
+source "$PKGS_DIR/KConfig"
+
+menu "BSP_SPECIAL CONFIG"
+
+config RT_USING_UART
+    bool "Using RT_USING_UART"
+    default y
+
+if RT_USING_UART
+config RT_USING_UART1
+    bool "Using RT_USING_UART1"
+    default y      
+endif
+    
+endmenu
+
+
+
+    
+    
@@ -0,0 +1,121 @@
+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_common_tables.h
+ * Description:  Extern declaration for common tables
+ *
+ * $Date:        27. January 2017
+ * $Revision:    V.1.5.1
+ *
+ * Target Processor: Cortex-M cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ARM_COMMON_TABLES_H
+#define _ARM_COMMON_TABLES_H
+
+#include "arm_math.h"
+
+extern const uint16_t armBitRevTable[1024];
+extern const q15_t armRecipTableQ15[64];
+extern const q31_t armRecipTableQ31[64];
+extern const float32_t twiddleCoef_16[32];
+extern const float32_t twiddleCoef_32[64];
+extern const float32_t twiddleCoef_64[128];
+extern const float32_t twiddleCoef_128[256];
+extern const float32_t twiddleCoef_256[512];
+extern const float32_t twiddleCoef_512[1024];
+extern const float32_t twiddleCoef_1024[2048];
+extern const float32_t twiddleCoef_2048[4096];
+extern const float32_t twiddleCoef_4096[8192];
+#define twiddleCoef twiddleCoef_4096
+extern const q31_t twiddleCoef_16_q31[24];
+extern const q31_t twiddleCoef_32_q31[48];
+extern const q31_t twiddleCoef_64_q31[96];
+extern const q31_t twiddleCoef_128_q31[192];
+extern const q31_t twiddleCoef_256_q31[384];
+extern const q31_t twiddleCoef_512_q31[768];
+extern const q31_t twiddleCoef_1024_q31[1536];
+extern const q31_t twiddleCoef_2048_q31[3072];
+extern const q31_t twiddleCoef_4096_q31[6144];
+extern const q15_t twiddleCoef_16_q15[24];
+extern const q15_t twiddleCoef_32_q15[48];
+extern const q15_t twiddleCoef_64_q15[96];
+extern const q15_t twiddleCoef_128_q15[192];
+extern const q15_t twiddleCoef_256_q15[384];
+extern const q15_t twiddleCoef_512_q15[768];
+extern const q15_t twiddleCoef_1024_q15[1536];
+extern const q15_t twiddleCoef_2048_q15[3072];
+extern const q15_t twiddleCoef_4096_q15[6144];
+extern const float32_t twiddleCoef_rfft_32[32];
+extern const float32_t twiddleCoef_rfft_64[64];
+extern const float32_t twiddleCoef_rfft_128[128];
+extern const float32_t twiddleCoef_rfft_256[256];
+extern const float32_t twiddleCoef_rfft_512[512];
+extern const float32_t twiddleCoef_rfft_1024[1024];
+extern const float32_t twiddleCoef_rfft_2048[2048];
+extern const float32_t twiddleCoef_rfft_4096[4096];
+
+/* floating-point bit reversal tables */
+#define ARMBITREVINDEXTABLE_16_TABLE_LENGTH ((uint16_t)20)
+#define ARMBITREVINDEXTABLE_32_TABLE_LENGTH ((uint16_t)48)
+#define ARMBITREVINDEXTABLE_64_TABLE_LENGTH ((uint16_t)56)
+#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208)
+#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440)
+#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448)
+#define ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800)
+#define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808)
+#define ARMBITREVINDEXTABLE_4096_TABLE_LENGTH ((uint16_t)4032)
+
+extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE_16_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE_32_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE_64_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_TABLE_LENGTH];
+
+/* fixed-point bit reversal tables */
+#define ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH ((uint16_t)12)
+#define ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH ((uint16_t)24)
+#define ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH ((uint16_t)56)
+#define ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH ((uint16_t)112)
+#define ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH ((uint16_t)240)
+#define ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH ((uint16_t)480)
+#define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992)
+#define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
+#define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
+
+extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
+extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
+
+/* Tables for Fast Math Sine and Cosine */
+extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
+extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
+extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
+
+#endif /*  ARM_COMMON_TABLES_H */
@@ -0,0 +1,66 @@
+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_const_structs.h
+ * Description:  Constant structs that are initialized for user convenience.
+ *               For example, some can be given as arguments to the arm_cfft_f32() function.
+ *
+ * $Date:        27. January 2017
+ * $Revision:    V.1.5.1
+ *
+ * Target Processor: Cortex-M cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ARM_CONST_STRUCTS_H
+#define _ARM_CONST_STRUCTS_H
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len16;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len32;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len64;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len128;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len256;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len512;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len1024;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len2048;
+   extern const arm_cfft_instance_f32 arm_cfft_sR_f32_len4096;
+
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len16;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len32;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len64;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len128;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len256;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len512;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len1024;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len2048;
+   extern const arm_cfft_instance_q31 arm_cfft_sR_q31_len4096;
+
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len16;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len32;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len64;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len128;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len256;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len512;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len1024;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len2048;
+   extern const arm_cfft_instance_q15 arm_cfft_sR_q15_len4096;
+
+#endif
@@ -0,0 +1,39 @@
+/**************************************************************************//**
+ * @file     cmsis_version.h
+ * @brief    CMSIS Core(M) Version definitions
+ * @version  V5.0.2
+ * @date     19. April 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if   defined ( __ICCARM__ )
+ #pragma system_include         /* treat file as system include file for MISRA check */
+#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+  #pragma clang system_header   /* treat file as system include file */
+#endif
+
+#ifndef __CMSIS_VERSION_H
+#define __CMSIS_VERSION_H
+
+/*  CMSIS Version definitions */
+#define __CM_CMSIS_VERSION_MAIN  ( 5U)                                      /*!< [31:16] CMSIS Core(M) main version */
+#define __CM_CMSIS_VERSION_SUB   ( 0U)                                      /*!< [15:0]  CMSIS Core(M) sub version */
+#define __CM_CMSIS_VERSION       ((__CM_CMSIS_VERSION_MAIN << 16U) | \
+                                   __CM_CMSIS_VERSION_SUB           )       /*!< CMSIS Core(M) version number */
+#endif
@@ -0,0 +1,182 @@
+/******************************************************************************
+ * @file     mpu_armv7.h
+ * @brief    CMSIS MPU API for ARMv7 MPU
+ * @version  V5.0.2
+ * @date     09. June 2017
+ ******************************************************************************/
+/*
+ * Copyright (c) 2017 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#ifndef ARM_MPU_ARMV7_H
+#define ARM_MPU_ARMV7_H
+
+#define ARM_MPU_REGION_SIZE_32B      ((uint8_t)0x04U)
+#define ARM_MPU_REGION_SIZE_64B      ((uint8_t)0x05U)
+#define ARM_MPU_REGION_SIZE_128B     ((uint8_t)0x06U)
+#define ARM_MPU_REGION_SIZE_256B     ((uint8_t)0x07U)
+#define ARM_MPU_REGION_SIZE_512B     ((uint8_t)0x08U)
+#define ARM_MPU_REGION_SIZE_1KB      ((uint8_t)0x09U)
+#define ARM_MPU_REGION_SIZE_2KB      ((uint8_t)0x0AU)
+#define ARM_MPU_REGION_SIZE_4KB      ((uint8_t)0x0BU)
+#define ARM_MPU_REGION_SIZE_8KB      ((uint8_t)0x0CU)
+#define ARM_MPU_REGION_SIZE_16KB     ((uint8_t)0x0DU)
+#define ARM_MPU_REGION_SIZE_32KB     ((uint8_t)0x0EU)
+#define ARM_MPU_REGION_SIZE_64KB     ((uint8_t)0x0FU)
+#define ARM_MPU_REGION_SIZE_128KB    ((uint8_t)0x10U)
+#define ARM_MPU_REGION_SIZE_256KB    ((uint8_t)0x11U)
+#define ARM_MPU_REGION_SIZE_512KB    ((uint8_t)0x12U)
+#define ARM_MPU_REGION_SIZE_1MB      ((uint8_t)0x13U)
+#define ARM_MPU_REGION_SIZE_2MB      ((uint8_t)0x14U)
+#define ARM_MPU_REGION_SIZE_4MB      ((uint8_t)0x15U)
+#define ARM_MPU_REGION_SIZE_8MB      ((uint8_t)0x16U)
+#define ARM_MPU_REGION_SIZE_16MB     ((uint8_t)0x17U)
+#define ARM_MPU_REGION_SIZE_32MB     ((uint8_t)0x18U)
+#define ARM_MPU_REGION_SIZE_64MB     ((uint8_t)0x19U)
+#define ARM_MPU_REGION_SIZE_128MB    ((uint8_t)0x1AU)
+#define ARM_MPU_REGION_SIZE_256MB    ((uint8_t)0x1BU)
+#define ARM_MPU_REGION_SIZE_512MB    ((uint8_t)0x1CU)
+#define ARM_MPU_REGION_SIZE_1GB      ((uint8_t)0x1DU)
+#define ARM_MPU_REGION_SIZE_2GB      ((uint8_t)0x1EU)
+#define ARM_MPU_REGION_SIZE_4GB      ((uint8_t)0x1FU)
+
+#define ARM_MPU_AP_NONE 0u 
+#define ARM_MPU_AP_PRIV 1u
+#define ARM_MPU_AP_URO  2u
+#define ARM_MPU_AP_FULL 3u
+#define ARM_MPU_AP_PRO  5u
+#define ARM_MPU_AP_RO   6u
+
+/** MPU Region Base Address Register Value
+*
+* \param Region The region to be configured, number 0 to 15.
+* \param BaseAddress The base address for the region.
+*/
+#define ARM_MPU_RBAR(Region, BaseAddress) ((BaseAddress & MPU_RBAR_ADDR_Msk) | (Region & MPU_RBAR_REGION_Msk) | (1UL << MPU_RBAR_VALID_Pos))
+
+/**
+* MPU Region Attribut and Size Register Value
+* 
+* \param DisableExec       Instruction access disable bit, 1= disable instruction fetches.
+* \param AccessPermission  Data access permissions, allows you to configure read/write access for User and Privileged mode.
+* \param TypeExtField      Type extension field, allows you to configure memory access type, for example strongly ordered, peripheral.
+* \param IsShareable       Region is shareable between multiple bus masters.
+* \param IsCacheable       Region is cacheable, i.e. its value may be kept in cache.
+* \param IsBufferable      Region is bufferable, i.e. using write-back caching. Cacheable but non-bufferable regions use write-through policy.
+* \param SubRegionDisable  Sub-region disable field.
+* \param Size              Region size of the region to be configured, for example 4K, 8K.
+*/                         
+#define ARM_MPU_RASR(DisableExec, AccessPermission, TypeExtField, IsShareable, IsCacheable, IsBufferable, SubRegionDisable, Size) \
+  ((DisableExec      << MPU_RASR_XN_Pos)     & MPU_RASR_XN_Msk)     | \
+  ((AccessPermission << MPU_RASR_AP_Pos)     & MPU_RASR_AP_Msk)     | \
+  ((TypeExtField     << MPU_RASR_TEX_Pos)    & MPU_RASR_TEX_Msk)    | \
+  ((IsShareable      << MPU_RASR_S_Pos)      & MPU_RASR_S_Msk)      | \
+  ((IsCacheable      << MPU_RASR_C_Pos)      & MPU_RASR_C_Msk)      | \
+  ((IsBufferable     << MPU_RASR_B_Pos)      & MPU_RASR_B_Msk)      | \
+  ((SubRegionDisable << MPU_RASR_SRD_Pos)    & MPU_RASR_SRD_Msk)    | \
+  ((Size             << MPU_RASR_SIZE_Pos)   & MPU_RASR_SIZE_Msk)   | \
+  ((1UL              << MPU_RASR_ENABLE_Pos) & MPU_RASR_ENABLE_Msk)
+
+
+/**
+* Struct for a single MPU Region
+*/
+typedef struct _ARM_MPU_Region_t {
+  uint32_t RBAR; //!< The region base address register value (RBAR)
+  uint32_t RASR; //!< The region attribute and size register value (RASR) \ref MPU_RASR
+} ARM_MPU_Region_t;
+    
+/** Enable the MPU.
+* \param MPU_Control Default access permissions for unconfigured regions.
+*/
+__STATIC_INLINE void ARM_MPU_Enable(uint32_t MPU_Control)
+{
+  __DSB();
+  __ISB();
+  MPU->CTRL = MPU_Control | MPU_CTRL_ENABLE_Msk;
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB->SHCSR |= SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+}
+
+/** Disable the MPU.
+*/
+__STATIC_INLINE void ARM_MPU_Disable()
+{
+  __DSB();
+  __ISB();
+#ifdef SCB_SHCSR_MEMFAULTENA_Msk
+  SCB->SHCSR &= ~SCB_SHCSR_MEMFAULTENA_Msk;
+#endif
+  MPU->CTRL  &= ~MPU_CTRL_ENABLE_Msk;
+}
+
+/** Clear and disable the given MPU region.
+* \param rnr Region number to be cleared.
+*/
+__STATIC_INLINE void ARM_MPU_ClrRegion(uint32_t rnr)
+{
+  MPU->RNR = rnr;
+  MPU->RASR = 0u;
+}
+
+/** Configure an MPU region.
+* \param rbar Value for RBAR register.
+* \param rsar Value for RSAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegion(uint32_t rbar, uint32_t rasr)
+{
+  MPU->RBAR = rbar;
+  MPU->RASR = rasr;
+}
+
+/** Configure the given MPU region.
+* \param rnr Region number to be configured.
+* \param rbar Value for RBAR register.
+* \param rsar Value for RSAR register.
+*/   
+__STATIC_INLINE void ARM_MPU_SetRegionEx(uint32_t rnr, uint32_t rbar, uint32_t rasr)
+{
+  MPU->RNR = rnr;
+  MPU->RBAR = rbar;
+  MPU->RASR = rasr;
+}
+
+/** Memcopy with strictly ordered memory access, e.g. for register targets.
+* \param dst Destination data is copied to.
+* \param src Source data is copied from.
+* \param len Amount of data words to be copied.
+*/
+__STATIC_INLINE void orderedCpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
+{
+  uint32_t i;
+  for (i = 0u; i < len; ++i) 
+  {
+    dst[i] = src[i];
+  }
+}
+
+/** Load the given number of MPU regions from a table.
+* \param table Pointer to the MPU configuration table.
+* \param cnt Amount of regions to be configured.
+*/
+__STATIC_INLINE void ARM_MPU_Load(ARM_MPU_Region_t const* table, uint32_t cnt) 
+{
+  orderedCpy(&(MPU->RBAR), &(table->RBAR), cnt*sizeof(ARM_MPU_Region_t)/4u);
+}
+
+#endif
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2015-2016 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * $Date:        21. September 2016
+ * $Revision:    V1.0
+ *
+ * Project:      TrustZone for ARMv8-M
+ * Title:        Context Management for ARMv8-M TrustZone
+ *
+ * Version 1.0
+ *    Initial Release
+ *---------------------------------------------------------------------------*/
+  
+#ifndef TZ_CONTEXT_H
+#define TZ_CONTEXT_H
+ 
+#include <stdint.h>
+ 
+#ifndef TZ_MODULEID_T
+#define TZ_MODULEID_T
+/// \details Data type that identifies secure software modules called by a process.
+typedef uint32_t TZ_ModuleId_t;
+#endif
+ 
+/// \details TZ Memory ID identifies an allocated memory slot.
+typedef uint32_t TZ_MemoryId_t;
+  
+/// Initialize secure context memory system
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_InitContextSystem_S (void);
+ 
+/// Allocate context memory for calling secure software modules in TrustZone
+/// \param[in]  module   identifies software modules called from non-secure mode
+/// \return value != 0 id TrustZone memory slot identifier
+/// \return value 0    no memory available or internal error
+TZ_MemoryId_t TZ_AllocModuleContext_S (TZ_ModuleId_t module);
+ 
+/// Free context memory that was previously allocated with \ref TZ_AllocModuleContext_S
+/// \param[in]  id  TrustZone memory slot identifier
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_FreeModuleContext_S (TZ_MemoryId_t id);
+ 
+/// Load secure context (called on RTOS thread context switch)
+/// \param[in]  id  TrustZone memory slot identifier
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_LoadContext_S (TZ_MemoryId_t id);
+ 
+/// Store secure context (called on RTOS thread context switch)
+/// \param[in]  id  TrustZone memory slot identifier
+/// \return execution status (1: success, 0: error)
+uint32_t TZ_StoreContext_S (TZ_MemoryId_t id);
+ 
+#endif  // TZ_CONTEXT_H
@@ -0,0 +1,33 @@
+# RT-Thread building script for component
+
+Import('rtconfig')
+Import('RTT_ROOT')
+from building import *
+
+cwd = GetCurrentDir()
+src  = Glob('drivers/*.c')
+SrcRemove(src, 'drivers/dataqueue.c')
+src += Glob('common/chip/*.c')
+src += [cwd + '/system_MIMXRT1052.c']
+
+CPPPATH = [ cwd, cwd + '/drivers', cwd + '/utilities', cwd + '/CMSIS/include']
+CPPDEFINES = ['CPU_MIMXRT1052DVL6A', 'SKIP_SYSCLK_INIT', 'EVK_MCIMXRM', 'FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL=1']
+# CPPDEFINES = ['CPU_MIMXRT1052DVL6A', 'EVK_MCIMXRM']
+
+# add for startup script 
+if rtconfig.CROSS_TOOL == 'gcc':
+    src += [cwd + '/gcc/startup_MIMXRT1052.s']
+elif rtconfig.CROSS_TOOL == 'keil':
+    src += [cwd + '/arm/startup_MIMXRT1052.s']
+elif rtconfig.CROSS_TOOL == 'iar':
+    src += [cwd + '/iar/startup_MIMXRT1052.s']
+    
+# if GetDepend('RT_USING_IMX_MID_SDMMC'):
+    # src += Glob('middleware/sdmmc/src/*.c')
+    # CPPPATH += [cwd + '/middleware/sdmmc/inc']
+    # CPPPATH += [cwd + '/middleware/sdmmc/port']
+    # CPPPATH += [cwd + '/middleware/sdmmc/port/usdhc/polling']
+
+group = DefineGroup('Libraries', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES=CPPDEFINES)
+
+Return('group')
@@ -0,0 +1,92 @@
+#! armcc -E
+/*
+** ###################################################################
+**     Processors:          MIMXRT1052CVL5A
+**                          MIMXRT1052DVL6A
+**
+**     Compiler:            Keil ARM C/C++ Compiler
+**     Reference manual:    IMXRT1050RM Rev.C, 08/2017
+**     Version:             rev. 0.1, 2017-01-10
+**     Build:               b170927
+**
+**     Abstract:
+**         Linker file for the Keil ARM C/C++ Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     Redistribution and use in source and binary forms, with or without modification,
+**     are permitted provided that the following conditions are met:
+**
+**     1. Redistributions of source code must retain the above copyright notice, this list
+**       of conditions and the following disclaimer.
+**
+**     2. 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.
+**
+**     3. Neither the name of the copyright holder 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.
+**
+**     http:                 www.nxp.com
+**     mail:                 support@nxp.com
+**
+** ###################################################################
+*/
+
+#define m_interrupts_start             0x60002000
+#define m_interrupts_size              0x00000400
+
+#define m_text_start                   0x60002400
+#define m_text_size                    0x1F7FDC00
+
+#define m_data_start                   0x20000000
+#define m_data_size                    0x00020000
+
+/* Sizes */
+#if (defined(__stack_size__))
+  #define Stack_Size                   __stack_size__
+#else
+  #define Stack_Size                   0x0400
+#endif
+
+#if (defined(__heap_size__))
+  #define Heap_Size                    __heap_size__
+#else
+  #define Heap_Size                    0x0400
+#endif
+
+LR_m_text m_text_start m_text_size {   ; load region size_region
+  ER_m_text m_text_start m_text_size { ; load address = execution address
+    * (InRoot$$Sections)
+    .ANY (+RO)
+  }
+  RW_m_data m_data_start m_data_size-Stack_Size-Heap_Size { ; RW data
+    .ANY (+RW +ZI)
+    * (NonCacheable.init)
+    * (NonCacheable)
+  }
+  ARM_LIB_HEAP +0 EMPTY Heap_Size {    ; Heap region growing up
+  }
+  ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
+  }
+}
+
+LR_m_interrupts m_interrupts_start m_interrupts_size {
+  VECTOR_ROM m_interrupts_start m_interrupts_size { ; load address = execution address
+    * (RESET,+FIRST)
+  }
+}
+
+
@@ -0,0 +1,92 @@
+#! armcc -E
+/*
+** ###################################################################
+**     Processors:          MIMXRT1052CVL5A
+**                          MIMXRT1052DVL6A
+**
+**     Compiler:            Keil ARM C/C++ Compiler
+**     Reference manual:    IMXRT1050RM Rev.C, 08/2017
+**     Version:             rev. 0.1, 2017-01-10
+**     Build:               b170927
+**
+**     Abstract:
+**         Linker file for the Keil ARM C/C++ Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     Redistribution and use in source and binary forms, with or without modification,
+**     are permitted provided that the following conditions are met:
+**
+**     1. Redistributions of source code must retain the above copyright notice, this list
+**       of conditions and the following disclaimer.
+**
+**     2. 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.
+**
+**     3. Neither the name of the copyright holder 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.
+**
+**     http:                 www.nxp.com
+**     mail:                 support@nxp.com
+**
+** ###################################################################
+*/
+
+#define m_interrupts_start             0x00000000
+#define m_interrupts_size              0x00000400
+
+#define m_text_start                   0x00000400
+#define m_text_size                    0x0001FC00
+
+#define m_data_start                   0x20000000
+#define m_data_size                    0x00020000
+
+/* Sizes */
+#if (defined(__stack_size__))
+  #define Stack_Size                   __stack_size__
+#else
+  #define Stack_Size                   0x0400
+#endif
+
+#if (defined(__heap_size__))
+  #define Heap_Size                    __heap_size__
+#else
+  #define Heap_Size                    0x0400
+#endif
+
+LR_m_text m_text_start m_text_size {   ; load region size_region
+  ER_m_text m_text_start m_text_size { ; load address = execution address
+    * (InRoot$$Sections)
+    .ANY (+RO)
+  }
+  RW_m_data m_data_start m_data_size-Stack_Size-Heap_Size { ; RW data
+    .ANY (+RW +ZI)
+    * (NonCacheable.init)
+    * (NonCacheable)
+  }
+  ARM_LIB_HEAP +0 EMPTY Heap_Size {    ; Heap region growing up
+  }
+  ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
+  }
+}
+
+LR_m_interrupts m_interrupts_start m_interrupts_size {
+  VECTOR_ROM m_interrupts_start m_interrupts_size { ; load address = execution address
+    * (RESET,+FIRST)
+  }
+}
+
+
@@ -0,0 +1,99 @@
+#! armcc -E
+/*
+** ###################################################################
+**     Processors:          MIMXRT1052CVL5A
+**                          MIMXRT1052DVL6A
+**
+**     Compiler:            Keil ARM C/C++ Compiler
+**     Reference manual:    IMXRT1050RM Rev.C, 08/2017
+**     Version:             rev. 0.1, 2017-01-10
+**     Build:               b170927
+**
+**     Abstract:
+**         Linker file for the Keil ARM C/C++ Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     Redistribution and use in source and binary forms, with or without modification,
+**     are permitted provided that the following conditions are met:
+**
+**     1. Redistributions of source code must retain the above copyright notice, this list
+**       of conditions and the following disclaimer.
+**
+**     2. 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.
+**
+**     3. Neither the name of the copyright holder 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.
+**
+**     http:                 www.nxp.com
+**     mail:                 support@nxp.com
+**
+** ###################################################################
+*/
+
+#define m_interrupts_start             0x00000000
+#define m_interrupts_size              0x00000400
+
+#define m_text_start                   0x00000400
+#define m_text_size                    0x0001FC00
+
+#define m_data_start                   0x80000000
+#define m_data_size                    0x01E00000
+
+#define m_ncache_start                 0x81E00000
+#define m_ncache_size                  0x00200000
+
+/* Sizes */
+#if (defined(__stack_size__))
+  #define Stack_Size                   __stack_size__
+#else
+  #define Stack_Size                   0x0400
+#endif
+
+#if (defined(__heap_size__))
+  #define Heap_Size                    __heap_size__
+#else
+  #define Heap_Size                    0x0400
+#endif
+
+LR_m_text m_text_start m_text_size {   ; load region size_region
+  ER_m_text m_text_start m_text_size { ; load address = execution address
+    * (InRoot$$Sections)
+    .ANY (+RO)
+  }
+  RW_m_data m_data_start m_data_size-Stack_Size-Heap_Size { ; RW data
+    .ANY (+RW +ZI)
+    *(m_usb_dma_init_data)
+    *(m_usb_dma_noninit_data)
+  }
+  RW_m_ncache m_ncache_start m_ncache_size { ; ncache RW data
+    * (NonCacheable.init)
+    * (NonCacheable)
+  }
+  ARM_LIB_HEAP +0 EMPTY Heap_Size {    ; Heap region growing up
+  }
+  ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
+  }
+}
+
+LR_m_interrupts m_interrupts_start m_interrupts_size {
+  VECTOR_ROM m_interrupts_start m_interrupts_size { ; load address = execution address
+    * (RESET,+FIRST)
+  }
+}
+
+
@@ -0,0 +1,99 @@
+#! armcc -E
+/*
+** ###################################################################
+**     Processors:          MIMXRT1052CVL5A
+**                          MIMXRT1052DVL6A
+**
+**     Compiler:            Keil ARM C/C++ Compiler
+**     Reference manual:    IMXRT1050RM Rev.C, 08/2017
+**     Version:             rev. 0.1, 2017-01-10
+**     Build:               b170927
+**
+**     Abstract:
+**         Linker file for the Keil ARM C/C++ Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     Redistribution and use in source and binary forms, with or without modification,
+**     are permitted provided that the following conditions are met:
+**
+**     1. Redistributions of source code must retain the above copyright notice, this list
+**       of conditions and the following disclaimer.
+**
+**     2. 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.
+**
+**     3. Neither the name of the copyright holder 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.
+**
+**     http:                 www.nxp.com
+**     mail:                 support@nxp.com
+**
+** ###################################################################
+*/
+
+#define m_interrupts_start             0x80000000
+#define m_interrupts_size              0x00000400
+
+#define m_text_start                   0x80000400
+#define m_text_size                    0x001FFC00
+
+#define m_data_start                   0x20200000
+#define m_data_size                    0x00040000
+
+#define m_ncache_start                 0x81E00000
+#define m_ncache_size                  0x00200000
+
+/* Sizes */
+#if (defined(__stack_size__))
+  #define Stack_Size                   __stack_size__
+#else
+  #define Stack_Size                   0x0400
+#endif
+
+#if (defined(__heap_size__))
+  #define Heap_Size                    __heap_size__
+#else
+  #define Heap_Size                    0x0400
+#endif
+
+LR_m_text m_text_start m_text_size {   ; load region size_region
+  ER_m_text m_text_start m_text_size { ; load address = execution address
+    * (InRoot$$Sections)
+    .ANY (+RO)
+  }
+  RW_m_data m_data_start m_data_size-Stack_Size-Heap_Size { ; RW data
+    .ANY (+RW +ZI)
+    *(m_usb_dma_init_data)
+    *(m_usb_dma_noninit_data)
+  }
+  RW_m_ncache m_ncache_start m_ncache_size { ; ncache RW data
+    * (NonCacheable.init)
+    * (NonCacheable)
+  }
+  ARM_LIB_HEAP +0 EMPTY Heap_Size {    ; Heap region growing up
+  }
+  ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
+  }
+}
+
+LR_m_interrupts m_interrupts_start m_interrupts_size {
+  VECTOR_ROM m_interrupts_start m_interrupts_size { ; load address = execution address
+    * (RESET,+FIRST)
+  }
+}
+
+
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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_aipstz.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+void AIPSTZ_SetMasterPriviledgeLevel(AIPSTZ_Type *base, aipstz_master_t master, uint32_t privilegeConfig)
+{
+    uint32_t mask = ((uint32_t)master >> 8) - 1;
+    uint32_t shift = (uint32_t)master & 0xFF;
+    base->MPR = (base->MPR & (~(mask << shift))) | (privilegeConfig << shift);
+}
+
+void AIPSTZ_SetPeripheralAccessControl(AIPSTZ_Type *base, aipstz_peripheral_t peripheral, uint32_t accessControl)
+{
+    volatile uint32_t *reg = (uint32_t *)((uint32_t)base + ((uint32_t)peripheral >> 16));
+    uint32_t mask = (((uint32_t)peripheral & 0xFF00U) >> 8) - 1;
+    uint32_t shift = (uint32_t)peripheral & 0xFF;
+
+    *reg = (*reg & (~(mask << shift))) | ((accessControl & mask) << shift);
+}
+
+
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * 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 the copyright holder 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 _FSL_AIPSTZ_H_
+#define _FSL_AIPSTZ_H_
+
+#include "fsl_common.h"
+
+/*!
+ * @addtogroup aipstz
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @name Driver version */
+/*@{*/
+#define FSL_AIPSTZ_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*!< Version 2.0.0 */
+/*@}*/
+
+/*! @brief List of AIPSTZ privilege configuration.*/
+typedef enum _aipstz_master_privilege_level {
+    kAIPSTZ_MasterBufferedWriteEnable = (1U << 3),  /*!< Write accesses from this master are allowed to be buffered. */
+    kAIPSTZ_MasterTrustedForReadEnable = (1U << 2), /*!< This master is trusted for read accesses. */
+    kAIPSTZ_MasterTrustedForWriteEnable = (1U << 1), /*!< This master is trusted for write accesses. */
+    kAIPSTZ_MasterForceUserModeEnable = 1U /*!< Accesses from this master are forced to user-mode. */
+} aipstz_master_privilege_level_t;
+
+/*! @brief List of AIPSTZ masters. Organized by width for the 8-15 bits and shift for lower 8 bits.*/
+typedef enum _aipstz_master {
+    kAIPSTZ_Master0 = (0x400U | 28U),
+    kAIPSTZ_Master1 = (0x400U | 24U),
+    kAIPSTZ_Master2 = (0x400U | 20U),
+    kAIPSTZ_Master3 = (0x400U | 16U),
+    kAIPSTZ_Master5 = (0x400U | 8U)
+} aipstz_master_t;
+
+/*! @brief List of AIPSTZ peripheral access control configuration.*/
+typedef enum _aipstz_peripheral_access_control {
+    kAIPSTZ_PeripheralAllowUntrustedMaster = 1U,
+    kAIPSTZ_PeripheralWriteProtected = (1U < 1),
+    kAIPSTZ_PeripheralRequireSupervisor = (1U < 2),
+    kAIPSTZ_PeripheralAllowBufferedWrite = (1U < 2)
+} aipstz_peripheral_access_control_t;
+
+/*! @brief List of AIPSTZ peripherals. Organized by register offset for higher 32 bits, width for the 8-15 bits and shift for lower 8 bits.*/
+typedef enum _aipstz_peripheral {
+    kAIPSTZ_Peripheral0  = ((0x40 << 16) | (4 << 8) | 28),
+    kAIPSTZ_Peripheral1  = ((0x40 << 16) | (4 << 8) | 24),
+    kAIPSTZ_Peripheral2  = ((0x40 << 16) | (4 << 8) | 20),
+    kAIPSTZ_Peripheral3  = ((0x40 << 16) | (4 << 8) | 16),
+    kAIPSTZ_Peripheral4  = ((0x40 << 16) | (4 << 8) | 12),
+    kAIPSTZ_Peripheral5  = ((0x40 << 16) | (4 << 8) |  8),
+    kAIPSTZ_Peripheral6  = ((0x40 << 16) | (4 << 8) |  4),
+    kAIPSTZ_Peripheral7  = ((0x40 << 16) | (4 << 8) |  0),
+    kAIPSTZ_Peripheral8  = ((0x44 << 16) | (4 << 8) | 28),
+    kAIPSTZ_Peripheral9  = ((0x44 << 16) | (4 << 8) | 24),
+    kAIPSTZ_Peripheral10 = ((0x44 << 16) | (4 << 8) | 20),
+    kAIPSTZ_Peripheral11 = ((0x44 << 16) | (4 << 8) | 16),
+    kAIPSTZ_Peripheral12 = ((0x44 << 16) | (4 << 8) | 12),
+    kAIPSTZ_Peripheral13 = ((0x44 << 16) | (4 << 8) |  8),
+    kAIPSTZ_Peripheral14 = ((0x44 << 16) | (4 << 8) |  4),
+    kAIPSTZ_Peripheral15 = ((0x44 << 16) | (4 << 8) |  0),
+    kAIPSTZ_Peripheral16 = ((0x48 << 16) | (4 << 8) | 28),
+    kAIPSTZ_Peripheral17 = ((0x48 << 16) | (4 << 8) | 24),
+    kAIPSTZ_Peripheral18 = ((0x48 << 16) | (4 << 8) | 20),
+    kAIPSTZ_Peripheral19 = ((0x48 << 16) | (4 << 8) | 16),
+    kAIPSTZ_Peripheral20 = ((0x48 << 16) | (4 << 8) | 12),
+    kAIPSTZ_Peripheral21 = ((0x48 << 16) | (4 << 8) |  8),
+    kAIPSTZ_Peripheral22 = ((0x48 << 16) | (4 << 8) |  4),
+    kAIPSTZ_Peripheral23 = ((0x48 << 16) | (4 << 8) |  0),
+    kAIPSTZ_Peripheral24 = ((0x4C << 16) | (4 << 8) | 28),
+    kAIPSTZ_Peripheral25 = ((0x4C << 16) | (4 << 8) | 24),
+    kAIPSTZ_Peripheral26 = ((0x4C << 16) | (4 << 8) | 20),
+    kAIPSTZ_Peripheral27 = ((0x4C << 16) | (4 << 8) | 16),
+    kAIPSTZ_Peripheral28 = ((0x4C << 16) | (4 << 8) | 12),
+    kAIPSTZ_Peripheral29 = ((0x4C << 16) | (4 << 8) |  8),
+    kAIPSTZ_Peripheral30 = ((0x4C << 16) | (4 << 8) |  4),
+    kAIPSTZ_Peripheral31 = ((0x4C << 16) | (4 << 8) |  0),
+    kAIPSTZ_Peripheral32 = ((0x50 << 16) | (4 << 8) | 28),
+    kAIPSTZ_Peripheral33 = ((0x50 << 16) | (4 << 8) | 24)
+} aipstz_peripheral_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name Initialization and deinitialization
+ * @{
+ */
+
+/*!
+ * @brief Configure the privilege level for master.
+ *
+ * @param base    AIPSTZ peripheral base pointer
+ * @param master  Masters for AIPSTZ.
+ * @param privilegeConfig Configuration is ORed from @aipstz_master_privilege_level_t.
+ */
+void AIPSTZ_SetMasterPriviledgeLevel(AIPSTZ_Type *base, aipstz_master_t master, uint32_t privilegeConfig);
+
+/*!
+ * @brief Configure the access for peripheral.
+ *
+ * @param base    AIPSTZ peripheral base pointer
+ * @param master  Peripheral for AIPSTZ.
+ * @param accessControl Configuration is ORed from @aipstz_peripheral_access_control_t.
+ */
+void AIPSTZ_SetPeripheralAccessControl(AIPSTZ_Type *base, aipstz_peripheral_t peripheral, uint32_t accessControl);
+
+/*! @}*/
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @}*/
+
+#endif /* _FSL_AIPSTZ_H_ */
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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_aoi.h"
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+/*! @brief Pointers to aoi bases for each instance. */
+static AOI_Type *const s_aoiBases[] = AOI_BASE_PTRS;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/*! @brief Pointers to aoi clocks for each instance. */
+static const clock_ip_name_t s_aoiClocks[] = AOI_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+/*!
+ * @brief Get instance number for AOI module.
+ *
+ * @param base AOI peripheral base address
+ *
+ * @return The AOI instance
+ */
+static uint32_t AOI_GetInstance(AOI_Type *base);
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+static uint32_t AOI_GetInstance(AOI_Type *base)
+{
+    uint32_t instance;
+
+    /* Find the instance index from base address mappings. */
+    for (instance = 0; instance < ARRAY_SIZE(s_aoiBases); instance++)
+    {
+        if (s_aoiBases[instance] == base)
+        {
+            break;
+        }
+    }
+
+    assert(instance < ARRAY_SIZE(s_aoiBases));
+
+    return instance;
+}
+
+void AOI_Init(AOI_Type *base)
+{
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Enable the clock gate from clock manager. */
+    CLOCK_EnableClock(s_aoiClocks[AOI_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
+
+void AOI_Deinit(AOI_Type *base)
+{
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Disable the clock gate from clock manager */
+    CLOCK_DisableClock(s_aoiClocks[AOI_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
+
+void AOI_GetEventLogicConfig(AOI_Type *base, aoi_event_t event, aoi_event_config_t *config)
+{
+    assert(event < FSL_FEATURE_AOI_EVENT_COUNT);
+    assert(config != NULL);
+
+    uint16_t value = 0;
+    /* Read BFCRT01 register at event index. */
+    value = base->BFCRT[event].BFCRT01;
+
+    config->PT0AC = (aoi_input_config_t)((value & AOI_BFCRT01_PT0_AC_MASK) >> AOI_BFCRT01_PT0_AC_SHIFT);
+    config->PT0BC = (aoi_input_config_t)((value & AOI_BFCRT01_PT0_BC_MASK) >> AOI_BFCRT01_PT0_BC_SHIFT);
+    config->PT0CC = (aoi_input_config_t)((value & AOI_BFCRT01_PT0_CC_MASK) >> AOI_BFCRT01_PT0_CC_SHIFT);
+    config->PT0DC = (aoi_input_config_t)((value & AOI_BFCRT01_PT0_DC_MASK) >> AOI_BFCRT01_PT0_DC_SHIFT);
+
+    config->PT1AC = (aoi_input_config_t)((value & AOI_BFCRT01_PT1_AC_MASK) >> AOI_BFCRT01_PT1_AC_SHIFT);
+    config->PT1BC = (aoi_input_config_t)((value & AOI_BFCRT01_PT1_BC_MASK) >> AOI_BFCRT01_PT1_BC_SHIFT);
+    config->PT1CC = (aoi_input_config_t)((value & AOI_BFCRT01_PT1_CC_MASK) >> AOI_BFCRT01_PT1_CC_SHIFT);
+    config->PT1DC = (aoi_input_config_t)((value & AOI_BFCRT01_PT1_DC_MASK) >> AOI_BFCRT01_PT1_DC_SHIFT);
+
+    /* Read BFCRT23 register at event index. */
+    value = 0;
+    value = base->BFCRT[event].BFCRT23;
+
+    config->PT2AC = (aoi_input_config_t)((value & AOI_BFCRT23_PT2_AC_MASK) >> AOI_BFCRT23_PT2_AC_SHIFT);
+    config->PT2BC = (aoi_input_config_t)((value & AOI_BFCRT23_PT2_BC_MASK) >> AOI_BFCRT23_PT2_BC_SHIFT);
+    config->PT2CC = (aoi_input_config_t)((value & AOI_BFCRT23_PT2_CC_MASK) >> AOI_BFCRT23_PT2_CC_SHIFT);
+    config->PT2DC = (aoi_input_config_t)((value & AOI_BFCRT23_PT2_DC_MASK) >> AOI_BFCRT23_PT2_DC_SHIFT);
+
+    config->PT3AC = (aoi_input_config_t)((value & AOI_BFCRT23_PT3_AC_MASK) >> AOI_BFCRT23_PT3_AC_SHIFT);
+    config->PT3BC = (aoi_input_config_t)((value & AOI_BFCRT23_PT3_BC_MASK) >> AOI_BFCRT23_PT3_BC_SHIFT);
+    config->PT3CC = (aoi_input_config_t)((value & AOI_BFCRT23_PT3_CC_MASK) >> AOI_BFCRT23_PT3_CC_SHIFT);
+    config->PT3DC = (aoi_input_config_t)((value & AOI_BFCRT23_PT3_DC_MASK) >> AOI_BFCRT23_PT3_DC_SHIFT);
+}
+
+void AOI_SetEventLogicConfig(AOI_Type *base, aoi_event_t event, const aoi_event_config_t *eventConfig)
+{
+    assert(eventConfig != NULL);
+    assert(event < FSL_FEATURE_AOI_EVENT_COUNT);
+
+    uint16_t value = 0;
+    /* Calculate value to configure product term 0, 1 */
+    value = AOI_BFCRT01_PT0_AC(eventConfig->PT0AC) | AOI_BFCRT01_PT0_BC(eventConfig->PT0BC) |
+            AOI_BFCRT01_PT0_CC(eventConfig->PT0CC) | AOI_BFCRT01_PT0_DC(eventConfig->PT0DC) |
+            AOI_BFCRT01_PT1_AC(eventConfig->PT1AC) | AOI_BFCRT01_PT1_BC(eventConfig->PT1BC) |
+            AOI_BFCRT01_PT1_CC(eventConfig->PT1CC) | AOI_BFCRT01_PT1_DC(eventConfig->PT1DC);
+    /* Write value to register */
+    base->BFCRT[event].BFCRT01 = value;
+
+    /* Reset and calculate value to configure product term 2, 3 */
+    value = 0;
+    value = AOI_BFCRT23_PT2_AC(eventConfig->PT2AC) | AOI_BFCRT23_PT2_BC(eventConfig->PT2BC) |
+            AOI_BFCRT23_PT2_CC(eventConfig->PT2CC) | AOI_BFCRT23_PT2_DC(eventConfig->PT2DC) |
+            AOI_BFCRT23_PT3_AC(eventConfig->PT3AC) | AOI_BFCRT23_PT3_BC(eventConfig->PT3BC) |
+            AOI_BFCRT23_PT3_CC(eventConfig->PT3CC) | AOI_BFCRT23_PT3_DC(eventConfig->PT3DC);
+    /* Write value to register */
+    base->BFCRT[event].BFCRT23 = value;
+}
@@ -0,0 +1,162 @@
+/*
+* Copyright (c) 2015-2016, Freescale Semiconductor, Inc.
+ * Copyright 2016 NXP
+* 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 the copyright holder 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_common.h"
+#define SDK_MEM_MAGIC_NUMBER   12345U
+
+typedef struct _mem_align_control_block
+{
+    uint16_t    identifier;     /*!< Identifier for the memory control block. */
+    uint16_t    offset;         /*!< offset from aligned adress to real address */
+} mem_align_cb_t;
+
+#ifndef __GIC_PRIO_BITS
+#if defined(ENABLE_RAM_VECTOR_TABLE)
+uint32_t InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler)
+{
+/* Addresses for VECTOR_TABLE and VECTOR_RAM come from the linker file */
+#if defined(__CC_ARM)
+    extern uint32_t Image$$VECTOR_ROM$$Base[];
+    extern uint32_t Image$$VECTOR_RAM$$Base[];
+    extern uint32_t Image$$RW_m_data$$Base[];
+
+#define __VECTOR_TABLE Image$$VECTOR_ROM$$Base
+#define __VECTOR_RAM Image$$VECTOR_RAM$$Base
+#define __RAM_VECTOR_TABLE_SIZE (((uint32_t)Image$$RW_m_data$$Base - (uint32_t)Image$$VECTOR_RAM$$Base))
+#elif defined(__ICCARM__)
+    extern uint32_t __RAM_VECTOR_TABLE_SIZE[];
+    extern uint32_t __VECTOR_TABLE[];
+    extern uint32_t __VECTOR_RAM[];
+#elif defined(__GNUC__)
+    extern uint32_t __VECTOR_TABLE[];
+    extern uint32_t __VECTOR_RAM[];
+    extern uint32_t __RAM_VECTOR_TABLE_SIZE_BYTES[];
+    uint32_t __RAM_VECTOR_TABLE_SIZE = (uint32_t)(__RAM_VECTOR_TABLE_SIZE_BYTES);
+#endif /* defined(__CC_ARM) */
+    uint32_t n;
+    uint32_t ret;
+    uint32_t irqMaskValue;
+
+    irqMaskValue = DisableGlobalIRQ();
+    if (SCB->VTOR != (uint32_t)__VECTOR_RAM)
+    {
+        /* Copy the vector table from ROM to RAM */
+        for (n = 0; n < ((uint32_t)__RAM_VECTOR_TABLE_SIZE) / sizeof(uint32_t); n++)
+        {
+            __VECTOR_RAM[n] = __VECTOR_TABLE[n];
+        }
+        /* Point the VTOR to the position of vector table */
+        SCB->VTOR = (uint32_t)__VECTOR_RAM;
+    }
+
+    ret = __VECTOR_RAM[irq + 16];
+    /* make sure the __VECTOR_RAM is noncachable */
+    __VECTOR_RAM[irq + 16] = irqHandler;
+
+    EnableGlobalIRQ(irqMaskValue);
+
+/* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
+  exception return operation might vector to incorrect interrupt */
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+
+    return ret;
+}
+#endif /* ENABLE_RAM_VECTOR_TABLE. */
+#endif /* __GIC_PRIO_BITS. */
+
+#ifndef QN908XC_SERIES
+#if (defined(FSL_FEATURE_SOC_SYSCON_COUNT) && (FSL_FEATURE_SOC_SYSCON_COUNT > 0))
+
+void EnableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t index = 0;
+    uint32_t intNumber = (uint32_t)interrupt;
+    while (intNumber >= 32u)
+    {
+        index++;
+        intNumber -= 32u;
+    }
+
+    SYSCON->STARTERSET[index] = 1u << intNumber;
+    EnableIRQ(interrupt); /* also enable interrupt at NVIC */
+}
+
+void DisableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t index = 0;
+    uint32_t intNumber = (uint32_t)interrupt;
+    while (intNumber >= 32u)
+    {
+        index++;
+        intNumber -= 32u;
+    }
+
+    DisableIRQ(interrupt); /* also disable interrupt at NVIC */
+    SYSCON->STARTERCLR[index] = 1u << intNumber;
+}
+#endif /* FSL_FEATURE_SOC_SYSCON_COUNT */
+
+#endif /* QN908XC_SERIES */
+
+void *SDK_Malloc(size_t size, size_t alignbytes)
+{
+    mem_align_cb_t *p_cb = NULL;
+    uint32_t alignedsize = SDK_SIZEALIGN(size, alignbytes) + alignbytes + sizeof(mem_align_cb_t);
+    void *p_align_addr, *p_addr = malloc(alignedsize);
+
+    if (!p_addr)
+    {
+        return NULL;
+    }
+
+    p_align_addr = (void *)SDK_SIZEALIGN((uint32_t)p_addr + sizeof(mem_align_cb_t), alignbytes);
+
+    p_cb = (mem_align_cb_t *)((uint32_t)p_align_addr - 4);
+    p_cb->identifier = SDK_MEM_MAGIC_NUMBER;
+    p_cb->offset = (uint32_t)p_align_addr - (uint32_t)p_addr;
+
+    return (void *)p_align_addr;
+}
+
+void SDK_Free(void *ptr)
+{
+    mem_align_cb_t *p_cb = (mem_align_cb_t *)((uint32_t)ptr - 4);
+
+    if (p_cb->identifier != SDK_MEM_MAGIC_NUMBER)
+    {
+        return;
+    }
+
+    free((void *)((uint32_t)ptr - p_cb->offset));
+}
+
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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_dmamux.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+
+/*!
+ * @brief Get instance number for DMAMUX.
+ *
+ * @param base DMAMUX peripheral base address.
+ */
+static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base);
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+
+/*! @brief Array to map DMAMUX instance number to base pointer. */
+static DMAMUX_Type *const s_dmamuxBases[] = DMAMUX_BASE_PTRS;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/*! @brief Array to map DMAMUX instance number to clock name. */
+static const clock_ip_name_t s_dmamuxClockName[] = DMAMUX_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base)
+{
+    uint32_t instance;
+
+    /* Find the instance index from base address mappings. */
+    for (instance = 0; instance < ARRAY_SIZE(s_dmamuxBases); instance++)
+    {
+        if (s_dmamuxBases[instance] == base)
+        {
+            break;
+        }
+    }
+
+    assert(instance < ARRAY_SIZE(s_dmamuxBases));
+
+    return instance;
+}
+
+void DMAMUX_Init(DMAMUX_Type *base)
+{
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    CLOCK_EnableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
+
+void DMAMUX_Deinit(DMAMUX_Type *base)
+{
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    CLOCK_DisableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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 _FSL_DMAMUX_H_
+#define _FSL_DMAMUX_H_
+
+#include "fsl_common.h"
+
+/*!
+ * @addtogroup dmamux
+ * @{
+ */
+
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @name Driver version */
+/*@{*/
+/*! @brief DMAMUX driver version 2.0.2. */
+#define FSL_DMAMUX_DRIVER_VERSION (MAKE_VERSION(2, 0, 2))
+/*@}*/
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* __cplusplus */
+
+/*!
+ * @name DMAMUX Initialization and de-initialization
+ * @{
+ */
+
+/*!
+ * @brief Initializes the DMAMUX peripheral.
+ *
+ * This function ungates the DMAMUX clock.
+ *
+ * @param base DMAMUX peripheral base address.
+ *
+ */
+void DMAMUX_Init(DMAMUX_Type *base);
+
+/*!
+ * @brief Deinitializes the DMAMUX peripheral.
+ *
+ * This function gates the DMAMUX clock.
+ *
+ * @param base DMAMUX peripheral base address.
+ */
+void DMAMUX_Deinit(DMAMUX_Type *base);
+
+/* @} */
+/*!
+ * @name DMAMUX Channel Operation
+ * @{
+ */
+
+/*!
+ * @brief Enables the DMAMUX channel.
+ *
+ * This function enables the DMAMUX channel.
+ *
+ * @param base DMAMUX peripheral base address.
+ * @param channel DMAMUX channel number.
+ */
+static inline void DMAMUX_EnableChannel(DMAMUX_Type *base, uint32_t channel)
+{
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+
+    base->CHCFG[channel] |= DMAMUX_CHCFG_ENBL_MASK;
+}
+
+/*!
+ * @brief Disables the DMAMUX channel.
+ *
+ * This function disables the DMAMUX channel.
+ *
+ * @note The user must disable the DMAMUX channel before configuring it.
+ * @param base DMAMUX peripheral base address.
+ * @param channel DMAMUX channel number.
+ */
+static inline void DMAMUX_DisableChannel(DMAMUX_Type *base, uint32_t channel)
+{
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+
+    base->CHCFG[channel] &= ~DMAMUX_CHCFG_ENBL_MASK;
+}
+
+/*!
+ * @brief Configures the DMAMUX channel source.
+ *
+ * @param base DMAMUX peripheral base address.
+ * @param channel DMAMUX channel number.
+ * @param source Channel source, which is used to trigger the DMA transfer.
+ */
+static inline void DMAMUX_SetSource(DMAMUX_Type *base, uint32_t channel, uint32_t source)
+{
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+
+    base->CHCFG[channel] = ((base->CHCFG[channel] & ~DMAMUX_CHCFG_SOURCE_MASK) | DMAMUX_CHCFG_SOURCE(source));
+}
+
+#if defined(FSL_FEATURE_DMAMUX_HAS_TRIG) && FSL_FEATURE_DMAMUX_HAS_TRIG > 0U
+/*!
+ * @brief Enables the DMAMUX period trigger.
+ *
+ * This function enables the DMAMUX period trigger feature.
+ *
+ * @param base DMAMUX peripheral base address.
+ * @param channel DMAMUX channel number.
+ */
+static inline void DMAMUX_EnablePeriodTrigger(DMAMUX_Type *base, uint32_t channel)
+{
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+
+    base->CHCFG[channel] |= DMAMUX_CHCFG_TRIG_MASK;
+}
+
+/*!
+ * @brief Disables the DMAMUX period trigger.
+ *
+ * This function disables the DMAMUX period trigger.
+ *
+ * @param base DMAMUX peripheral base address.
+ * @param channel DMAMUX channel number.
+ */
+static inline void DMAMUX_DisablePeriodTrigger(DMAMUX_Type *base, uint32_t channel)
+{
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+
+    base->CHCFG[channel] &= ~DMAMUX_CHCFG_TRIG_MASK;
+}
+#endif /* FSL_FEATURE_DMAMUX_HAS_TRIG */
+
+#if (defined(FSL_FEATURE_DMAMUX_HAS_A_ON) && FSL_FEATURE_DMAMUX_HAS_A_ON)
+/*!
+ * @brief Enables the DMA channel to be always ON.
+ *
+ * This function enables the DMAMUX channel always ON feature.
+ *
+ * @param base DMAMUX peripheral base address.
+ * @param channel DMAMUX channel number.
+ * @param enable Switcher of the always ON feature. "true" means enabled, "false" means disabled.
+ */
+static inline void DMAMUX_EnableAlwaysOn(DMAMUX_Type *base, uint32_t channel, bool enable)
+{
+    assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
+
+    if (enable)
+    {
+        base->CHCFG[channel] |= DMAMUX_CHCFG_A_ON_MASK;
+    }
+    else
+    {
+        base->CHCFG[channel] &= ~DMAMUX_CHCFG_A_ON_MASK;
+    }
+}
+#endif /* FSL_FEATURE_DMAMUX_HAS_A_ON */
+
+/* @} */
+
+#if defined(__cplusplus)
+}
+#endif /* __cplusplus */
+
+/* @} */
+
+#endif /* _FSL_DMAMUX_H_ */
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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_ewm.h"
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+void EWM_Init(EWM_Type *base, const ewm_config_t *config)
+{
+    assert(config);
+
+    uint32_t value = 0U;
+
+#if !((defined(FSL_FEATURE_SOC_PCC_COUNT) && FSL_FEATURE_SOC_PCC_COUNT) && \
+    (defined(FSL_FEATURE_PCC_SUPPORT_EWM_CLOCK_REMOVE) && FSL_FEATURE_PCC_SUPPORT_EWM_CLOCK_REMOVE))
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    CLOCK_EnableClock(kCLOCK_Ewm0);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+#endif
+    value = EWM_CTRL_EWMEN(config->enableEwm) | EWM_CTRL_ASSIN(config->setInputAssertLogic) |
+            EWM_CTRL_INEN(config->enableEwmInput) | EWM_CTRL_INTEN(config->enableInterrupt);
+#if defined(FSL_FEATURE_EWM_HAS_PRESCALER) && FSL_FEATURE_EWM_HAS_PRESCALER
+    base->CLKPRESCALER = config->prescaler;
+#endif /* FSL_FEATURE_EWM_HAS_PRESCALER */
+
+#if defined(FSL_FEATURE_EWM_HAS_CLOCK_SELECT) && FSL_FEATURE_EWM_HAS_CLOCK_SELECT
+    base->CLKCTRL = config->clockSource;
+#endif /* FSL_FEATURE_EWM_HAS_CLOCK_SELECT*/
+
+    base->CMPL = config->compareLowValue;
+    base->CMPH = config->compareHighValue;
+    base->CTRL = value;
+}
+
+void EWM_Deinit(EWM_Type *base)
+{
+    EWM_DisableInterrupts(base, kEWM_InterruptEnable);
+#if !((defined(FSL_FEATURE_SOC_PCC_COUNT) && FSL_FEATURE_SOC_PCC_COUNT) && \
+    (defined(FSL_FEATURE_PCC_SUPPORT_EWM_CLOCK_REMOVE) && FSL_FEATURE_PCC_SUPPORT_EWM_CLOCK_REMOVE))
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    CLOCK_DisableClock(kCLOCK_Ewm0);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+#endif /* FSL_FEATURE_PCC_SUPPORT_EWM_CLOCK_REMOVE */
+}
+
+void EWM_GetDefaultConfig(ewm_config_t *config)
+{
+    assert(config);
+
+    config->enableEwm = true;
+    config->enableEwmInput = false;
+    config->setInputAssertLogic = false;
+    config->enableInterrupt = false;
+#if defined(FSL_FEATURE_EWM_HAS_CLOCK_SELECT) && FSL_FEATURE_EWM_HAS_CLOCK_SELECT
+    config->clockSource = kEWM_LpoClockSource0;
+#endif /* FSL_FEATURE_EWM_HAS_CLOCK_SELECT*/
+#if defined(FSL_FEATURE_EWM_HAS_PRESCALER) && FSL_FEATURE_EWM_HAS_PRESCALER
+    config->prescaler = 0U;
+#endif /* FSL_FEATURE_EWM_HAS_PRESCALER */
+    config->compareLowValue = 0U;
+    config->compareHighValue = 0xFEU;
+}
+
+void EWM_Refresh(EWM_Type *base)
+{
+    uint32_t primaskValue = 0U;
+
+    /* Disable the global interrupt to protect refresh sequence */
+    primaskValue = DisableGlobalIRQ();
+    base->SERV = (uint8_t)0xB4U;
+    base->SERV = (uint8_t)0x2CU;
+    EnableGlobalIRQ(primaskValue);
+}
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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 _FSL_FLEXIO_UART_EDMA_H_
+#define _FSL_FLEXIO_UART_EDMA_H_
+
+#include "fsl_flexio_uart.h"
+#include "fsl_edma.h"
+
+/*!
+ * @addtogroup flexio_edma_uart
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/* Forward declaration of the handle typedef. */
+typedef struct _flexio_uart_edma_handle flexio_uart_edma_handle_t;
+
+/*! @brief UART transfer callback function. */
+typedef void (*flexio_uart_edma_transfer_callback_t)(FLEXIO_UART_Type *base,
+                                                     flexio_uart_edma_handle_t *handle,
+                                                     status_t status,
+                                                     void *userData);
+
+/*!
+* @brief UART eDMA handle
+*/
+struct _flexio_uart_edma_handle
+{
+    flexio_uart_edma_transfer_callback_t callback; /*!< Callback function. */
+    void *userData;                                /*!< UART callback function parameter.*/
+
+    size_t txDataSizeAll; /*!< Total bytes to be sent. */
+    size_t rxDataSizeAll; /*!< Total bytes to be received. */
+
+    edma_handle_t *txEdmaHandle; /*!< The eDMA TX channel used. */
+    edma_handle_t *rxEdmaHandle; /*!< The eDMA RX channel used. */
+
+    uint8_t nbytes; /*!< eDMA minor byte transfer count initially configured. */
+
+    volatile uint8_t txState; /*!< TX transfer state. */
+    volatile uint8_t rxState; /*!< RX transfer state */
+};
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name eDMA transactional
+ * @{
+ */
+
+/*!
+ * @brief Initializes the UART handle which is used in transactional functions.
+ *
+ * @param base Pointer to FLEXIO_UART_Type.
+ * @param handle Pointer to flexio_uart_edma_handle_t structure.
+ * @param callback The callback function.
+ * @param userData The parameter of the callback function.
+ * @param rxEdmaHandle User requested DMA handle for RX DMA transfer.
+ * @param txEdmaHandle User requested DMA handle for TX DMA transfer.
+ * @retval kStatus_Success Successfully create the handle.
+ * @retval kStatus_OutOfRange The FlexIO SPI eDMA type/handle table out of range.
+ */
+status_t FLEXIO_UART_TransferCreateHandleEDMA(FLEXIO_UART_Type *base,
+                                              flexio_uart_edma_handle_t *handle,
+                                              flexio_uart_edma_transfer_callback_t callback,
+                                              void *userData,
+                                              edma_handle_t *txEdmaHandle,
+                                              edma_handle_t *rxEdmaHandle);
+
+/*!
+ * @brief Sends data using eDMA.
+ *
+ * This function sends data using eDMA. This is a non-blocking function, which returns
+ * right away. When all data is sent out, the send callback function is called.
+ *
+ * @param base Pointer to FLEXIO_UART_Type
+ * @param handle UART handle pointer.
+ * @param xfer UART eDMA transfer structure, see #flexio_uart_transfer_t.
+ * @retval kStatus_Success if succeed, others failed.
+ * @retval kStatus_FLEXIO_UART_TxBusy Previous transfer on going.
+ */
+status_t FLEXIO_UART_TransferSendEDMA(FLEXIO_UART_Type *base,
+                                      flexio_uart_edma_handle_t *handle,
+                                      flexio_uart_transfer_t *xfer);
+
+/*!
+ * @brief Receives data using eDMA.
+ *
+ * This function receives data using eDMA. This is a non-blocking function, which returns
+ * right away. When all data is received, the receive callback function is called.
+ *
+ * @param base Pointer to FLEXIO_UART_Type
+ * @param handle Pointer to flexio_uart_edma_handle_t structure
+ * @param xfer UART eDMA transfer structure, see #flexio_uart_transfer_t.
+ * @retval kStatus_Success if succeed, others failed.
+ * @retval kStatus_UART_RxBusy Previous transfer on going.
+ */
+status_t FLEXIO_UART_TransferReceiveEDMA(FLEXIO_UART_Type *base,
+                                         flexio_uart_edma_handle_t *handle,
+                                         flexio_uart_transfer_t *xfer);
+
+/*!
+ * @brief Aborts the sent data which using eDMA.
+ *
+ * This function aborts sent data which using eDMA.
+ *
+ * @param base Pointer to FLEXIO_UART_Type
+ * @param handle Pointer to flexio_uart_edma_handle_t structure
+ */
+void FLEXIO_UART_TransferAbortSendEDMA(FLEXIO_UART_Type *base, flexio_uart_edma_handle_t *handle);
+
+/*!
+ * @brief Aborts the receive data which using eDMA.
+ *
+ * This function aborts the receive data which using eDMA.
+ *
+ * @param base Pointer to FLEXIO_UART_Type
+ * @param handle Pointer to flexio_uart_edma_handle_t structure
+ */
+void FLEXIO_UART_TransferAbortReceiveEDMA(FLEXIO_UART_Type *base, flexio_uart_edma_handle_t *handle);
+
+/*!
+ * @brief Gets the number of bytes sent out.
+ *
+ * This function gets the number of bytes sent out.
+ *
+ * @param base Pointer to FLEXIO_UART_Type
+ * @param handle Pointer to flexio_uart_edma_handle_t structure
+ * @param count Number of bytes sent so far by the non-blocking transaction.
+ * @retval kStatus_NoTransferInProgress transfer has finished or no transfer in progress.
+ * @retval kStatus_Success Successfully return the count.
+ */
+status_t FLEXIO_UART_TransferGetSendCountEDMA(FLEXIO_UART_Type *base, flexio_uart_edma_handle_t *handle, size_t *count);
+
+/*!
+ * @brief Gets the number of bytes received.
+ *
+ * This function gets the number of bytes received.
+ *
+ * @param base Pointer to FLEXIO_UART_Type
+ * @param handle Pointer to flexio_uart_edma_handle_t structure
+ * @param count Number of bytes received so far by the non-blocking transaction.
+ * @retval kStatus_NoTransferInProgress transfer has finished or no transfer in progress.
+ * @retval kStatus_Success Successfully return the count.
+ */
+status_t FLEXIO_UART_TransferGetReceiveCountEDMA(FLEXIO_UART_Type *base,
+                                                 flexio_uart_edma_handle_t *handle,
+                                                 size_t *count);
+
+/*@}*/
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @}*/
+
+#endif /* _FSL_UART_EDMA_H_ */
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016 NXP
+ * 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 the copyright holder 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_gpc.h"
+
+void GPC_EnableIRQ(GPC_Type *base, uint32_t irqId)
+{
+    uint32_t irqRegNum = irqId / 32U;
+    uint32_t irqRegShiftNum = irqId % 32U;
+
+    assert(irqRegNum > 0U);
+    assert(irqRegNum <= GPC_IMR_COUNT);
+
+#if ((defined FSL_FEATURE_GPC_HAS_IRQ_0_31) && FSL_FEATURE_GPC_HAS_IRQ_0_31)
+    if (irqRegNum == GPC_IMR_COUNT)
+    {
+        base->IMR5 &= ~(1U << irqRegShiftNum);
+    }
+    else
+    {
+        base->IMR[irqRegNum] &= ~(1U << irqRegShiftNum);
+    }
+#else
+    base->IMR[irqRegNum - 1U] &= ~(1U << irqRegShiftNum);
+#endif /* FSL_FEATURE_GPC_HAS_IRQ_0_31 */
+}
+
+void GPC_DisableIRQ(GPC_Type *base, uint32_t irqId)
+{
+    uint32_t irqRegNum = irqId / 32U;
+    uint32_t irqRegShiftNum = irqId % 32U;
+
+    assert(irqRegNum > 0U);
+    assert(irqRegNum <= GPC_IMR_COUNT);
+
+#if ((defined FSL_FEATURE_GPC_HAS_IRQ_0_31) && FSL_FEATURE_GPC_HAS_IRQ_0_31)
+    if (irqRegNum == GPC_IMR_COUNT)
+    {
+        base->IMR5 |= (1U << irqRegShiftNum);
+    }
+    else
+    {
+        base->IMR[irqRegNum] |= (1U << irqRegShiftNum);
+    }
+#else
+    base->IMR[irqRegNum - 1U] |= (1U << irqRegShiftNum);
+#endif /* FSL_FEATURE_GPC_HAS_IRQ_0_31 */
+}
+
+bool GPC_GetIRQStatusFlag(GPC_Type *base, uint32_t irqId)
+{
+    uint32_t irqRegNum = irqId / 32U;
+    uint32_t irqRegShiftNum = irqId % 32U;
+    uint32_t ret;
+
+    assert(irqRegNum > 0U);
+    assert(irqRegNum <= GPC_IMR_COUNT);
+
+#if ((defined FSL_FEATURE_GPC_HAS_IRQ_0_31) && FSL_FEATURE_GPC_HAS_IRQ_0_31)
+    if (irqRegNum == GPC_IMR_COUNT)
+    {
+        ret = base->ISR5 & (1U << irqRegShiftNum);
+    }
+    else
+    {
+        ret = base->ISR[irqRegNum] & (1U << irqRegShiftNum);
+    }
+#else
+    ret = base->ISR[irqRegNum - 1U] & (1U << irqRegShiftNum);
+#endif /* FSL_FEATURE_GPC_HAS_IRQ_0_31 */
+
+    return (1U << irqRegShiftNum) == ret;
+}
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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_gpio.h"
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+
+/* Array of GPIO peripheral base address. */
+static GPIO_Type *const s_gpioBases[] = GPIO_BASE_PTRS;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/* Array of GPIO clock name. */
+static const clock_ip_name_t s_gpioClock[] = GPIO_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+/*******************************************************************************
+* Prototypes
+******************************************************************************/
+
+/*!
+* @brief Gets the GPIO instance according to the GPIO base
+*
+* @param base    GPIO peripheral base pointer(PTA, PTB, PTC, etc.)
+* @retval GPIO instance
+*/
+static uint32_t GPIO_GetInstance(GPIO_Type *base);
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+static uint32_t GPIO_GetInstance(GPIO_Type *base)
+{
+    uint32_t instance;
+
+    /* Find the instance index from base address mappings. */
+    for (instance = 0; instance < ARRAY_SIZE(s_gpioBases); instance++)
+    {
+        if (s_gpioBases[instance] == base)
+        {
+            break;
+        }
+    }
+
+    assert(instance < ARRAY_SIZE(s_gpioBases));
+
+    return instance;
+}
+
+void GPIO_PinInit(GPIO_Type* base, uint32_t pin, const gpio_pin_config_t* Config)
+{
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Enable GPIO clock. */
+    CLOCK_EnableClock(s_gpioClock[GPIO_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+    /* Register reset to default value */
+    base->IMR &= ~(1U << pin);
+
+    /* Configure GPIO pin direction */
+    if (Config->direction == kGPIO_DigitalInput)
+    {
+        base->GDIR &= ~(1U << pin);
+    }
+    else
+    {
+        GPIO_WritePinOutput(base, pin, Config->outputLogic);
+        base->GDIR |= (1U << pin);
+    }
+
+    /* Configure GPIO pin interrupt mode */
+    GPIO_SetPinInterruptConfig(base, pin, Config->interruptMode);
+}
+
+void GPIO_PinWrite(GPIO_Type* base, uint32_t pin, uint8_t output)
+{
+    assert(pin < 32);
+    if (output == 0U)
+    {
+        base->DR &= ~(1U << pin);  /* Set pin output to low level.*/
+    }
+    else
+    {
+        base->DR |= (1U << pin);  /* Set pin output to high level.*/
+    }
+}
+
+void GPIO_PinSetInterruptConfig(GPIO_Type* base, uint32_t pin, gpio_interrupt_mode_t pinInterruptMode)
+{
+    volatile uint32_t *icr;
+    uint32_t icrShift;
+
+    icrShift = pin;
+
+    /* Register reset to default value */
+    base->EDGE_SEL &= ~(1U << pin);
+
+    if(pin < 16)
+    {
+        icr = &(base->ICR1);
+    }
+    else
+    {
+        icr = &(base->ICR2);
+        icrShift -= 16;
+    }
+    switch(pinInterruptMode)
+    {
+        case(kGPIO_IntLowLevel):
+            *icr &= ~(3U << (2 * icrShift));
+            break;
+        case(kGPIO_IntHighLevel):
+            *icr = (*icr & (~(3U << (2 * icrShift)))) | (1U << (2 * icrShift));
+            break;
+        case(kGPIO_IntRisingEdge):
+            *icr = (*icr & (~(3U << (2 * icrShift)))) | (2U << (2 * icrShift));
+            break;
+        case(kGPIO_IntFallingEdge):
+            *icr |= (3U << (2 * icrShift));
+            break;
+        case(kGPIO_IntRisingOrFallingEdge):
+            base->EDGE_SEL |= (1U << pin);
+            break;
+        default:
+            break;
+    }
+}
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * 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 the copyright holder 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_gpt.h"
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+/*! @brief Pointers to GPT bases for each instance. */
+static GPT_Type *const s_gptBases[] = GPT_BASE_PTRS;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/*! @brief Pointers to GPT clocks for each instance. */
+static const clock_ip_name_t s_gptClocks[] = GPT_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+static uint32_t GPT_GetInstance(GPT_Type *base)
+{
+    uint32_t instance;
+
+    /* Find the instance index from base address mappings. */
+    for (instance = 0U; instance < ARRAY_SIZE(s_gptBases); instance++)
+    {
+        if (s_gptBases[instance] == base)
+        {
+            break;
+        }
+    }
+
+    assert(instance < ARRAY_SIZE(s_gptBases));
+
+    return instance;
+}
+
+void GPT_Init(GPT_Type *base, const gpt_config_t *initConfig)
+{
+    assert(initConfig);
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Ungate the GPT clock*/
+    CLOCK_EnableClock(s_gptClocks[GPT_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+    base->CR = 0U;
+
+    GPT_SoftwareReset(base);
+
+    base->CR =
+        (initConfig->enableFreeRun ? GPT_CR_FRR_MASK : 0U) | (initConfig->enableRunInWait ? GPT_CR_WAITEN_MASK : 0U) |
+        (initConfig->enableRunInStop ? GPT_CR_STOPEN_MASK : 0U) |
+        (initConfig->enableRunInDoze ? GPT_CR_DOZEEN_MASK : 0U) |
+        (initConfig->enableRunInDbg ? GPT_CR_DBGEN_MASK : 0U) | (initConfig->enableMode ? GPT_CR_ENMOD_MASK : 0U);
+
+    GPT_SetClockSource(base, initConfig->clockSource);
+    GPT_SetClockDivider(base, initConfig->divider);
+}
+
+void GPT_Deinit(GPT_Type *base)
+{
+    /* Disable GPT timers */
+    base->CR = 0U;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Gate the GPT clock*/
+    CLOCK_DisableClock(s_gptClocks[GPT_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
+
+void GPT_GetDefaultConfig(gpt_config_t *config)
+{
+    assert(config);
+
+    config->clockSource = kGPT_ClockSource_Periph;
+    config->divider = 1U;
+    config->enableRunInStop = true;
+    config->enableRunInWait = true;
+    config->enableRunInDoze = false;
+    config->enableRunInDbg = false;
+    config->enableFreeRun = false;
+    config->enableMode = true;
+}
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * 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 the copyright holder 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_kpp.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+#define KPP_KEYPAD_SCAN_TIMES (3U)
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/*! @brief Pointers to SEMC clocks for each instance. */
+static const clock_ip_name_t s_kppClock[FSL_FEATURE_SOC_KPP_COUNT] = KPP_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+/*! @brief Pointers to SEMC bases for each instance. */
+static KPP_Type *const s_kppBases[] = KPP_BASE_PTRS;
+
+/*! @brief Pointers to KPP IRQ number for each instance. */
+static const IRQn_Type s_kppIrqs[] = KPP_IRQS;
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+static uint32_t KPP_GetInstance(KPP_Type *base)
+{
+    uint32_t instance;
+
+    /* Find the instance index from base address mappings. */
+    for (instance = 0; instance < ARRAY_SIZE(s_kppBases); instance++)
+    {
+        if (s_kppBases[instance] == base)
+        {
+            break;
+        }
+    }
+
+    assert(instance < ARRAY_SIZE(s_kppBases));
+
+    return instance;
+}
+static void KPP_Mdelay(uint64_t tickets)
+{
+    while (tickets--)
+    {
+        __NOP();
+    }
+}
+
+void KPP_Init(KPP_Type *base, kpp_config_t *configure)
+{
+    assert(configure);
+
+    uint32_t instance = KPP_GetInstance(base);
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Un-gate sdram controller clock. */
+    CLOCK_EnableClock(s_kppClock[KPP_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+    /* Clear all. */
+    base->KPSR &= ~(KPP_KPSR_KRIE_MASK | KPP_KPSR_KDIE_MASK);
+
+    /* Enable the keypad row and set the column strobe output to open drain. */
+    base->KPCR = KPP_KPCR_KRE(configure->activeRow);
+    base->KPDR = KPP_KPDR_KCD((uint8_t)~(configure->activeColumn));
+    base->KPCR |= KPP_KPCR_KCO(configure->activeColumn);
+
+    /* Set the input direction for row and output direction for column. */
+    base->KDDR = KPP_KDDR_KCDD(configure->activeColumn) | KPP_KDDR_KRDD((uint8_t)~(configure->activeRow));
+
+    /* Clear the status flag and enable the interrupt. */
+    base->KPSR =
+        KPP_KPSR_KPKR_MASK | KPP_KPSR_KPKD_MASK | KPP_KPSR_KDSC_MASK | configure->interrupt;
+
+    if (configure->interrupt)
+    {
+        /* Enable at the Interrupt */
+        EnableIRQ(s_kppIrqs[instance]);
+    }
+}
+
+void KPP_Deinit(KPP_Type *base)
+{
+    /* Disable interrupts and disable all rows. */
+    base->KPSR &= ~(KPP_KPSR_KRIE_MASK | KPP_KPSR_KDIE_MASK);
+    base->KPCR = 0;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Disable KPP clock. */
+    CLOCK_DisableClock(s_kppClock[KPP_GetInstance(base)]);
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+}
+
+void KPP_keyPressScanning(KPP_Type *base, uint8_t *data, uint32_t clockSrc_Hz)
+{
+    assert(data);
+
+    uint16_t kppKCO = base->KPCR & KPP_KPCR_KCO_MASK;
+    uint8_t columIndex = 0;
+    uint8_t activeColumn = (base->KPCR & KPP_KPCR_KCO_MASK) >> KPP_KPCR_KCO_SHIFT;
+    uint8_t times;
+    uint8_t rowData[KPP_KEYPAD_SCAN_TIMES][KPP_KEYPAD_COLUMNNUM_MAX];
+    bool press = false;
+    uint8_t column;
+
+    /* Initialize row data to zero. */
+    memset(&rowData[0][0], 0, sizeof(rowData));
+
+    /* Scanning. */
+    /* Configure the column data to 1 according to column numbers. */
+    base->KPDR = KPP_KPDR_KCD_MASK;
+    /* Configure column to totem pole for quick discharge of keypad capacitance. */
+    base->KPCR &= (uint16_t)(((uint16_t)~kppKCO) | KPP_KPCR_KRE_MASK);
+    /* Recover. */
+    base->KPCR |= kppKCO;
+    /* Three times scanning. */
+    for (times = 0; times < KPP_KEYPAD_SCAN_TIMES; times++)
+    {
+        for (columIndex = 0; columIndex < KPP_KEYPAD_COLUMNNUM_MAX; columIndex++)
+        {
+            column = activeColumn & (1U << columIndex);
+            if (column)
+            {
+                /* Set the single column line to 0. */
+                base->KPDR = KPP_KPDR_KCD(~(uint16_t)column);
+                /* Take 100us delays. */
+                KPP_Mdelay(clockSrc_Hz / 10000000);
+                /* Read row data. */
+                rowData[times][columIndex] = ~(base->KPDR & KPP_KPDR_KRD_MASK);
+            }
+            else
+            {
+                /* Read row data. */
+                rowData[times][columIndex] = 0;
+            }
+        }
+    }
+    
+    /* Return all columns to 0 in preparation for standby mode. */
+    base->KPDR &= ~KPP_KPDR_KCD_MASK;
+
+    /* Check if three time scan data is the same. */
+    for (columIndex = 0; columIndex < KPP_KEYPAD_COLUMNNUM_MAX; columIndex++)
+    {
+        if ((uint8_t)(rowData[0][columIndex] & rowData[1][columIndex]) & rowData[2][columIndex])
+        {
+            press = true;
+        }
+    }
+
+    if (press)
+    {
+        memcpy((void *)data, &rowData[0][0], sizeof(rowData[0]));
+    }
+    else
+    {
+        memset((void *)data, 0, sizeof(rowData[0]));
+    }
+}
@@ -0,0 +1,199 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * 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 the copyright holder 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 _FSL_KPP_H_
+#define _FSL_KPP_H_
+
+#include "fsl_common.h"
+
+/*!
+ * @addtogroup kpp
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @name Driver version */
+/*@{*/
+/*! @brief KPP driver version 2.0.0. */
+#define FSL_KPP_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
+/*@}*/
+
+#define KPP_KEYPAD_COLUMNNUM_MAX (8U)
+#define KPP_KEYPAD_ROWNUM_MAX (8U)
+
+/*! @brief List of interrupts supported by the peripheral. This
+ * enumeration uses one-bot encoding to allow a logical OR of multiple
+ * members. Members usually map to interrupt enable bits in one or more
+ * peripheral registers.
+ */
+typedef enum _kpp_interrupt_enable {
+    kKPP_keyDepressInterrupt = KPP_KPSR_KDIE_MASK, /*!< Keypad depress interrupt source */
+    kKPP_keyReleaseInterrupt = KPP_KPSR_KRIE_MASK  /*!< Keypad release interrupt source */
+} kpp_interrupt_enable_t;
+
+/*! @brief Lists of KPP synchronize chain operation. */
+typedef enum _kpp_sync_operation {
+    kKPP_ClearKeyDepressSyncChain = KPP_KPSR_KDSC_MASK, /*!< Keypad depress interrupt status. */
+    kKPP_SetKeyReleasesSyncChain = KPP_KPSR_KRSS_MASK,  /*!< Keypad release interrupt status. */
+} kpp_sync_operation_t;
+
+/*! @brief Lists of KPP status. */
+typedef struct _kpp_config
+{
+    uint8_t activeRow;    /*!< The row number: bit 7 ~ 0 represents the row 7 ~ 0. */
+    uint8_t activeColumn; /*!< The column number: bit 7 ~ 0 represents the column 7 ~ 0. */
+    uint16_t interrupt;   /*!< KPP interrupt source. A logical OR of "kpp_interrupt_enable_t". */
+} kpp_config_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+  * @name Initialization and De-initialization
+  * @{
+  */
+
+/*!
+ * @brief KPP initialize.
+ * This function ungates the KPP clock and initializes KPP.
+ * This function must be called before calling any other KPP driver functions.
+ *
+ * @param base KPP peripheral base address.
+ * @param configure The KPP configuration structure pointer.
+ */
+void KPP_Init(KPP_Type *base, kpp_config_t *configure);
+
+/*!
+ * @brief Deinitializes the KPP module and gates the clock.
+ * This function gates the KPP clock. As a result, the KPP
+ * module doesn't work after calling this function.
+ *
+ * @param base KPP peripheral base address.
+ */
+void KPP_Deinit(KPP_Type *base);
+
+/* @} */
+
+/*!
+ * @name KPP Basic Operation
+ * @{
+ */
+
+/*!
+ * @brief Enable the interrupt.
+ *
+ * @param base KPP peripheral base address.
+ * @param mask  KPP interrupts to enable. This is a logical OR of the
+ *             enumeration :: kpp_interrupt_enable_t.
+ */
+static inline void KPP_EnableInterrupts(KPP_Type *base, uint16_t mask)
+{
+    uint16_t data = base->KPSR & ~(KPP_KPSR_KPKR_MASK | KPP_KPSR_KPKD_MASK);
+    base->KPSR = data | mask;
+}
+
+/*!
+ * @brief Disable the interrupt.
+ *
+ * @param base KPP peripheral base address.
+ * @param mask  KPP interrupts to disable. This is a logical OR of the
+ *             enumeration :: kpp_interrupt_enable_t.
+ */
+static inline void KPP_DisableInterrupts(KPP_Type *base, uint16_t mask)
+{
+    base->KPSR &= ~(mask | KPP_KPSR_KPKR_MASK | KPP_KPSR_KPKD_MASK);
+}
+
+/*!
+ * @brief Gets the KPP interrupt event status.
+ *
+ * @param base KPP peripheral base address.
+ * @return The status of the KPP. Application can use the enum type in the "kpp_interrupt_enable_t"
+ * to get the right status of the related event.
+ */
+static inline uint16_t KPP_GetStatusFlag(KPP_Type *base)
+{
+    return (base->KPSR & (KPP_KPSR_KPKR_MASK | KPP_KPSR_KPKD_MASK)) << KPP_KPSR_KDIE_SHIFT;
+}
+
+/*!
+ * @brief Clears KPP status flag.
+ *
+ * @param base KPP peripheral base address.
+ * @param mask KPP mask to be cleared. This is a logical OR of the
+ *             enumeration :: kpp_interrupt_enable_t.
+ */
+static inline void KPP_ClearStatusFlag(KPP_Type *base, uint16_t mask)
+{
+    base->KPSR |= (uint16_t)((mask) >> KPP_KPSR_KDIE_SHIFT);
+}
+
+/*!
+ * @brief Set KPP synchronization chain.
+ *
+ * @param base KPP peripheral base address.
+ * @param mask KPP mask to be cleared. This is a logical OR of the
+ *             enumeration :: kpp_sync_operation_t.
+ */
+static inline void KPP_SetSynchronizeChain(KPP_Type *base, uint16_t mask)
+{
+    uint16_t data = base->KPSR & (KPP_KPSR_KRSS_MASK | KPP_KPSR_KDSC_MASK | KPP_KPSR_KRIE_MASK | KPP_KPSR_KDIE_MASK);
+    base->KPSR = data | mask;
+}
+
+/*!
+ * @brief Keypad press scanning.
+ *
+ * This function will scanning all columns and rows. so
+ * all scanning data will be stored in the data pointer.
+ *
+ * @param base  KPP peripheral base address.
+ * @param data  KPP key press scanning data. The data buffer should be prepared with
+ * length at least equal to KPP_KEYPAD_COLUMNNUM_MAX * KPP_KEYPAD_ROWNUM_MAX.
+ * the data pointer is recommended to be a array like uint8_t data[KPP_KEYPAD_COLUMNNUM_MAX].
+ * for example the data[2] = 4, that means in column 1 row 2 has a key press event.
+ */
+void KPP_keyPressScanning(KPP_Type *base, uint8_t *data, uint32_t clockSrc_Hz);
+
+/* @} */
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @}*/
+
+#endif /* _FSL_KPP_H_*/