/**************************************************************************** * boards/xtensa/esp32/esp32-audio-kit/src/esp32_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 #include #include "esp32-audio-kit.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: esp32_board_initialize * * Description: * All ESP32 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 esp32_board_initialize(void) { /* Configure on-board LEDs if LED support has been selected. */ #ifdef CONFIG_ARCH_LEDS 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 */ esp32_bringup(); #ifdef CONFIG_SMP /* To avoid corrupting the heap, this region of memory (~3KB) is not * included until the APP CPU has started. * So we can't add it with the rest of the regions at xtensa_add_region(), * that function is called early from up_initialize(). We wait until the * SMP bringup is complete. */ umm_addregion((void *)HEAP_REGION_ROMAPP_START, (size_t)(HEAP_REGION_ROMAPP_END - HEAP_REGION_ROMAPP_START)); #endif } #endif