109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/****************************************************************************
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* boards/arm/stm32l4/stm32l4r9ai-disco/src/stm32_boot.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <nuttx/spi/spi.h>
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#include <arch/board/board.h>
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#include "arm_internal.h"
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#include "stm32l4r9ai-disco.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32l4_board_initialize
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*
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* Description:
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* All STM32L4 architectures must provide the following entry point. This
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* entry point is called early in the initialization -- after all memory
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* has been configured and mapped but before any devices have been
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* initialized.
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*
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****************************************************************************/
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void stm32l4_board_initialize(void)
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{
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/* Configure on-board LEDs if LED support has been selected. */
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#ifdef CONFIG_ARCH_LEDS
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board_autoled_initialize();
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#endif
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/* Configure SPI chip selects if 1) SP2 is not disabled, and 2) the weak
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* function stm32_spiinitialize() has been brought into the link.
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*/
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#ifdef CONFIG_STM32L4_SPI
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stm32_spiinitialize();
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#endif
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#ifdef CONFIG_STM32L4_OTGFS
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/* Initialize USB if the
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* 1) OTG FS controller is in the configuration and
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* 2) disabled, and
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* 3) the weak function stm32_usbinitialize() has been brought
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* into the build. Presumably either CONFIG_USBDEV or CONFIG_USBHOST is
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* also selected.
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*/
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stm32l4_usbinitialize();
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#endif
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}
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/****************************************************************************
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* Name: board_late_initialize
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*
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* Description:
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* If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional
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* initialization call will be performed in the boot-up sequence to a
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* function called board_late_initialize(). board_late_initialize() will
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* be called immediately after up_initialize() is called and just before
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* the initial application is started. This additional initialization
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* phase may be used, for example, to initialize board-specific device
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* drivers.
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*
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****************************************************************************/
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#ifdef CONFIG_BOARD_LATE_INITIALIZE
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void board_late_initialize(void)
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{
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/* Perform NSH initialization here instead of from the NSH. This
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* alternative NSH initialization is necessary when NSH is ran in
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* user-space but the initialization function must run in kernel space.
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*/
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#if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_NSH_ARCHINIT)
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board_app_initialize(0);
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#endif
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}
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#endif
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