/**************************************************************************** * boards/arm/kinetis/freedom-k28f/src/k28_bringup.c * * Copyright (C) 2018 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 #include #include #include #include /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: k28_bringup * * Description: * Perform architecture-specific initialization * * CONFIG_BOARD_LATE_INITIALIZE=y : * Called from board_late_initialize(). * * CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y : * Called from the NSH library * ****************************************************************************/ int k28_bringup(void) { int ret; #ifdef CONFIG_FS_PROCFS /* Mount the procfs file system */ ret = mount(NULL, "/proc", "procfs", 0, NULL); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret); } #endif #ifdef CONFIG_PWM /* Initialize PWM and register the PWM device. */ ret = k28_pwm_setup(); if (ret < 0) { syslog(LOG_ERR, "ERROR: k28_pwm_setup() failed: %d\n", ret); } #endif #if defined(CONFIG_KINETIS_I2C0) || defined(CONFIG_KINETIS_I2C1) /* Initialize I2C busses */ k28_i2cdev_initialize(); #endif UNUSED(ret); return OK; }