/**************************************************************************** * arch/arm/src/sama5/sam_serialinit.c * * Copyright (C) 2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 NuttX 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 OWNER 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include "sam_config.h" #include "sam_dbgu.h" #include "sam_serial.h" #ifdef USE_SERIALDRIVER /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: sam_earlyserialinit * * Description: * Performs the low level serial initialization early so that the serial * console will be available during bootup. This must be called * before up_serialinit. * ****************************************************************************/ void sam_earlyserialinit(void) { /* NOTE: All PIO configuration for the USARTs was performed in * sam_lowsetup */ #if defined(SAMA5_HAVE_UART) || defined(SAMA5_HAVE_USART) /* Initialize UART/USART drivers */ uart_earlyserialinit(); #endif #ifdef SAMA5_HAVE_FLEXCOM_USART /* Initialize Flexcom USARTs */ flexus_earlyserialinit(); #endif } /**************************************************************************** * Name: up_serialinit * * Description: * Register all serial console and serial ports. This assumes * that up_earlyserialinit was called previously. * ****************************************************************************/ void up_serialinit(void) { #if defined(SAMA5_HAVE_UART) || defined(SAMA5_HAVE_USART) /* Register UART/USART drivers */ uart_serialinit(); #endif #ifdef SAMA5_HAVE_FLEXCOM_USART /* Register Flexcom USART drivers */ flexus_serialinit(); #endif /* Register the DBGU as well */ #ifdef CONFIG_SAMA5_DBGU sam_dbgu_register(); #endif } #endif /* USE_SERIALDRIVER */