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