/************************************************************************************ * configs/vsn/src/boot.c * arch/arm/src/board/boot.c * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Copyright (c) 2011 Uros Platise. All rights reserved. * * Authors: Gregory Nutt * Uros Platise * * 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 "stm32_gpio.h" #include "up_arch.h" #include "vsn.h" /************************************************************************************ * Definitions ************************************************************************************/ /************************************************************************************ * Private Functions ************************************************************************************/ /************************************************************************************ * Public Functions ************************************************************************************/ /************************************************************************************ * Name: stm32_boardinitialize * * Description: * All STM32 architectures must provide the following entry point. This entry point * is called early in the intitialization -- after all memory has been configured * and mapped but before any devices have been initialized. * ************************************************************************************/ void stm32_boardinitialize(void) { #ifdef CONFIG_STM32_SPI3 #warning JTAG Port Disabled as SPI3 NVRAM/FRAM support is enabled uint32_t val = getreg32(STM32_AFIO_MAPR); val &= 0x00FFFFFF; // clear undefined readings ... val |= AFIO_MAPR_DISAB; // set JTAG-DP and SW-DP Disabled putreg32(val, STM32_AFIO_MAPR); #endif // Set Board Voltage to 3.3 V board_power_setbootvoltage(); /* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function * stm32_spiinitialize() has been brought into the link. */ #if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3) if (stm32_spiinitialize) stm32_spiinitialize(); #endif /* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not * disabled, and 3) the weak function stm32_usbinitialize() has been brought * into the build. */ #if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB) if (stm32_usbinitialize) stm32_usbinitialize(); #endif /* Configure on-board LEDs if LED support has been selected. */ #ifdef CONFIG_ARCH_LEDS up_ledinit(); #endif }