nuttx/boards/arm/stm32u5/b-u585i-iot02a/src/stm32_bringup.c
Michael Jung 6086f42bfb b-u585i-iot02a: Board Support
Support for the STMicroelectronics B-U585I-IOT02A development board. This
is a proof-of-concept port that demonstrates running NuttX as the
Non-Secure TrustZone domain companion to TrustedFirmware-M.

Signed-off-by: Michael Jung <mijung@gmx.net>
2022-02-13 16:32:35 +08:00

81 lines
2.5 KiB
C

/****************************************************************************
* boards/arm/stm32u5/b-u585i-iot02a/src/stm32_bringup.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 <sys/mount.h>
#include <sys/types.h>
#include <debug.h>
#include <nuttx/input/buttons.h>
#include <nuttx/leds/userled.h>
#include <nuttx/spi/spi_transfer.h>
#include <nuttx/board.h>
#include "b-u585i-iot02a.h"
#include <arch/board/board.h>
#include <stm32_spi.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_bringup
*
* Description:
* Perform architecture-specific initialization
*
* CONFIG_BOARD_LATE_INITIALIZE=y :
* Called from board_late_initialize().
*
* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y :
* Called from the NSH library
*
****************************************************************************/
int stm32_bringup(void)
{
int ret;
#ifdef CONFIG_FS_PROCFS
/* Mount the procfs file system */
ret = mount(NULL, "/proc", "procfs", 0, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to mount procfs at /proc: %d\n", ret);
}
#endif
UNUSED(ret);
return OK;
}