incubator-nuttx/boards/arm/stm32f7/stm32f746-ws/src/stm32_boot.c

92 lines
3.4 KiB
C

/****************************************************************************
* boards/arm/stm32f7/stm32f746-ws/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 <nuttx/config.h>
#include <debug.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#include "arm_internal.h"
#include "stm32f746-ws.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)
{
#if defined(CONFIG_STM32F7_SPI1) || defined(CONFIG_STM32F7_SPI2) || \
defined(CONFIG_STM32F7_SPI3) || defined(CONFIG_STM32F7_SPI4) || \
defined(CONFIG_STM32F7_SPI5) || defined(CONFIG_STM32F7_SPI6)
/* 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
}
/****************************************************************************
* 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)
{
#if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_BOARDCTL)
/* Perform NSH initialization here instead of from the NSH. This
* alternative NSH initialization is necessary when NSH is ran in
* user-space but the initialization function must run in kernel space.
*/
board_app_initialize();
#endif
}
#endif