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BoardInit.c
00001 /******************************************************************************* 00002 * Copyright 2016, 2017 ARM Ltd. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 *******************************************************************************/ 00016 #include "board.h" 00017 #include "fsl_device_registers.h" 00018 #include "pin_mux.h" 00019 #include "clock_config.h" 00020 #include "FreeRTOS.h" 00021 #include "task.h" 00022 #include "fsl_rtc.h" 00023 00024 // TRNG Function for K64F device 00025 #include "fsl_common.h" 00026 #include "fsl_clock.h" 00027 00028 #include "pal_configuration.h" 00029 00030 00031 #define APP_DEBUG_UART_BAUDRATE 115200 /* Debug console baud rate. */ 00032 #define APP_DEBUG_UART_CLKSRC_NAME kCLOCK_CoreSysClk /* System clock. */ 00033 00034 //This stack overflow hook can catch stack overflow errors in FreeRTOS. 00035 //You must enable define of configCHECK_FOR_STACK_OVERFLOW in FreeRTOSConfig.h 00036 void vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName ) 00037 { 00038 return; 00039 } 00040 00041 //This MallocFailedHook can catch memory allocation errors in FreeRTOS. 00042 //You must enable define of configUSE_MALLOC_FAILED_HOOK in FreeRTOSConfig.h 00043 void vApplicationMallocFailedHook( void ) 00044 { 00045 return; 00046 } 00047 00048 00049 static void APP_InitPlatformTRNG() 00050 { 00051 CLOCK_EnableClock(kCLOCK_Rnga0); 00052 CLOCK_DisableClock(kCLOCK_Rnga0); 00053 CLOCK_EnableClock(kCLOCK_Rnga0); 00054 } 00055 00056 #if 0 00057 static void APP_StopPlatformTRNG() 00058 { 00059 CLOCK_DisableClock(kCLOCK_Rnga0); 00060 } 00061 00062 void StopFreeRtosBoard() 00063 { 00064 APP_StopPlatformTRNG(); 00065 } 00066 #endif //0 00067 00068 void boardInit() 00069 { 00070 MPU_Type *base = MPU; 00071 BOARD_InitPins(); 00072 BOARD_BootClockRUN(); 00073 BOARD_InitDebugConsole(); 00074 00075 #if (PAL_USE_HW_RTC) 00076 rtc_config_t rtcConfig = {0, 0, 0, 0, 0}; 00077 RTC_GetDefaultConfig(&rtcConfig); 00078 rtcConfig.supervisorAccess = true; 00079 RTC_Init(RTC, &rtcConfig); 00080 /* Enable the RTC 32KHz oscillator */ 00081 RTC->CR |= RTC_CR_OSCE_MASK; 00082 RTC_StartTimer(RTC); 00083 #endif 00084 00085 APP_InitPlatformTRNG(); 00086 /* Disable MPU. */ 00087 base->CESR &= ~MPU_CESR_VLD_MASK; 00088 } 00089
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