nuttx/boards/arm/sama5/sama5d2-xult/src/sam_boot.c
2021-03-09 23:18:28 +08:00

99 lines
3.6 KiB
C

/****************************************************************************
* boards/arm/sama5/sama5d2-xult/src/sam_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 "sama5d2-xult.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sam_boardinitialize
*
* Description:
* All SAMA5 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 sam_boardinitialize(void)
{
/* Initialize USB if the 1) the HS host or device controller is in the
* configuration and 2) the weak function sam_usbinitialize() has been
* brought into the build.
* Presumeably either CONFIG_USBDEV or CONFIG_USBHOST is also selected.
*/
#if defined(CONFIG_SAMA5_UHPHS) || defined(CONFIG_SAMA5_UDPHS)
if (sam_usbinitialize)
{
sam_usbinitialize();
}
#endif
#ifdef CONFIG_ARCH_LEDS
/* Configure on-board LEDs if LED support has been selected. */
board_autoled_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)
{
/* Perform board initialization */
sam_bringup();
}
#endif /* CONFIG_BOARD_LATE_INITIALIZE */