/**************************************************************************** * boards/arm/stm32/stm32f4discovery/src/stm32_boot.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you 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 * * http://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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include "arm_internal.h" #include "nvic.h" #include "itm.h" #include "stm32.h" #include "stm32f4discovery.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: stm32_boardinitialize * * Description: * All STM32 architectures must provide the following entry point. This * entry point is called early in the initialization -- after all memory * has been configured and mapped but before any devices have been * initialized. * ****************************************************************************/ void stm32_boardinitialize(void) { #ifdef CONFIG_SCHED_CRITMONITOR up_perf_init((FAR void *)STM32_SYSCLK_FREQUENCY); #endif #if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3) /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak * function stm32_spidev_initialize() has been brought into the link. */ if (stm32_spidev_initialize) { stm32_spidev_initialize(); } #endif #ifdef CONFIG_STM32_OTGFS /* Initialize USB if the 1) OTG FS controller is in the configuration and * 2) disabled, and 3) the weak function stm32_usbinitialize() has been * brought into the build. Presumably either CONFIG_USBDEV or * CONFIG_USBHOST is also selected. */ if (stm32_usbinitialize) { stm32_usbinitialize(); } #endif #ifdef HAVE_NETMONITOR /* Configure board resources to support networking. */ if (stm32_netinitialize) { stm32_netinitialize(); } #endif #ifdef CONFIG_ARCH_LEDS /* Configure on-board LEDs if LED support has been selected. */ board_autoled_initialize(); #endif } /**************************************************************************** * Name: board_late_initialize * * Description: * If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional * initialization call will be performed in the boot-up sequence to a * function called board_late_initialize(). board_late_initialize() will be * called immediately after up_initialize() is called and just before the * initial application is started. This additional initialization phase * may be used, for example, to initialize board-specific device drivers. * ****************************************************************************/ #ifdef CONFIG_BOARD_LATE_INITIALIZE void board_late_initialize(void) { /* Perform board-specific initialization */ stm32_bringup(); } #endif