261 lines
7.8 KiB
C
261 lines
7.8 KiB
C
/****************************************************************************
|
|
* boards/arm/stm32l4/b-l475e-iot01a/src/stm32_bringup.c
|
|
*
|
|
* Copyright (C) 2017-2019 Gregory Nutt. All rights reserved.
|
|
* Author: Simon Piriou <spiriou31@gmail.com>
|
|
*
|
|
* 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 <nuttx/config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <syslog.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/fs/fs.h>
|
|
#include <nuttx/input/buttons.h>
|
|
#include <nuttx/leds/userled.h>
|
|
#include <nuttx/spi/qspi.h>
|
|
#include <nuttx/mtd/mtd.h>
|
|
|
|
#include <nuttx/board.h>
|
|
#include <arch/board/board.h>
|
|
|
|
#include "stm32l4_qspi.h"
|
|
#include "b-l475e-iot01a.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: stm32l4_bringup
|
|
*
|
|
* Description:
|
|
* Called either by board_initialize() if CONFIG_BOARD_LATE_INITIALIZE or
|
|
* by board_app_initialize if CONFIG_LIB_BOARDCTL is selected. This
|
|
* function initializes and configures all on-board features appropriate
|
|
* for the selected configuration.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int stm32l4_bringup(void)
|
|
{
|
|
int ret = OK;
|
|
|
|
#ifdef CONFIG_FS_PROCFS
|
|
/* Mount the procfs file system */
|
|
|
|
ret = nx_mount(NULL, "/proc", "procfs", 0, NULL);
|
|
if (ret < 0)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_USERLED) && !defined(CONFIG_ARCH_LEDS)
|
|
#ifdef CONFIG_USERLED_LOWER
|
|
/* Register the LED driver */
|
|
|
|
ret = userled_lower_initialize("/dev/userleds");
|
|
if (ret != OK)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
#else
|
|
/* Enable USER LED support for some other purpose */
|
|
|
|
board_userled_initialize();
|
|
#endif /* CONFIG_USERLED_LOWER */
|
|
#endif /* CONFIG_USERLED && !CONFIG_ARCH_LEDS */
|
|
|
|
#ifdef HAVE_MX25R6435F
|
|
{
|
|
/* Create an instance of the STM32L4 QSPI device driver */
|
|
|
|
FAR struct qspi_dev_s *g_qspi;
|
|
FAR struct mtd_dev_s *g_mtd_fs;
|
|
|
|
g_qspi = stm32l4_qspi_initialize(0);
|
|
if (g_qspi == NULL)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: stm32l4_qspi_initialize failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
/* Use the QSPI device instance to initialize the
|
|
* MX25R6435F flash device.
|
|
*/
|
|
|
|
g_mtd_fs = mx25rxx_initialize(g_qspi, true);
|
|
if (!g_mtd_fs)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: mx25rxx_initialize failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
#ifdef CONFIG_B_L475E_IOT01A_MTD_PART
|
|
{
|
|
/* Create partitions on external flash memory */
|
|
|
|
int partno;
|
|
int partsize;
|
|
int partoffset;
|
|
int partszbytes;
|
|
int erasesize;
|
|
FAR struct mtd_geometry_s geo;
|
|
const char *ptr = CONFIG_B_L475E_IOT01A_MTD_PART_LIST;
|
|
FAR struct mtd_dev_s *mtd_part;
|
|
char partref[4];
|
|
|
|
/* Now create a partition on the FLASH device */
|
|
|
|
partno = 0;
|
|
partoffset = 0;
|
|
|
|
/* Query MTD geometry */
|
|
|
|
ret = MTD_IOCTL(g_mtd_fs, MTDIOC_GEOMETRY,
|
|
(unsigned long)(uintptr_t)&geo);
|
|
if (ret < 0)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: MTDIOC_GEOMETRY failed\n");
|
|
return ret;
|
|
}
|
|
|
|
/* Get the Flash erase size */
|
|
|
|
erasesize = geo.erasesize;
|
|
|
|
while (*ptr != '\0')
|
|
{
|
|
/* Get the partition size */
|
|
|
|
partsize = atoi(ptr);
|
|
if (partsize <= 0)
|
|
{
|
|
syslog(LOG_ERR, "Error while processing <%s>\n", ptr);
|
|
goto process_next_part;
|
|
}
|
|
|
|
partszbytes = (partsize << 10); /* partsize is defined in KB */
|
|
|
|
if (partszbytes < erasesize || (partszbytes % erasesize) != 0)
|
|
{
|
|
syslog(LOG_ERR, "Invalid partition size: %d bytes\n",
|
|
partszbytes);
|
|
partszbytes = (partszbytes + erasesize) & -erasesize;
|
|
}
|
|
|
|
mtd_part = mtd_partition(g_mtd_fs, partoffset,
|
|
partszbytes / geo.blocksize);
|
|
partoffset += partszbytes / geo.blocksize;
|
|
|
|
if (!mtd_part)
|
|
{
|
|
syslog(LOG_ERR, "Failed to create part %d, size=%d\n",
|
|
partno, partsize);
|
|
goto process_next_part;
|
|
}
|
|
|
|
#if defined(CONFIG_MTD_SMART) && defined(CONFIG_FS_SMARTFS)
|
|
/* Now initialize a SMART Flash block device and bind it to
|
|
* the MTD device
|
|
*/
|
|
|
|
sprintf(partref, "p%d", partno);
|
|
smart_initialize(CONFIG_B_L475E_IOT01A_MTD_FLASH_MINOR,
|
|
mtd_part, partref);
|
|
#endif
|
|
|
|
process_next_part:
|
|
|
|
/* Update the pointer to point to the next size in the list */
|
|
|
|
while ((*ptr >= '0') && (*ptr <= '9'))
|
|
{
|
|
ptr++;
|
|
}
|
|
|
|
if (*ptr == ',')
|
|
{
|
|
ptr++;
|
|
}
|
|
|
|
/* Increment the part number */
|
|
|
|
partno++;
|
|
}
|
|
}
|
|
#else /* CONFIG_B_L475E_IOT01A_MTD_PART */
|
|
|
|
#ifdef HAVE_MX25R6435F_SMARTFS
|
|
/* Configure the device with no partition support */
|
|
|
|
smart_initialize(CONFIG_B_L475E_IOT01A_MTD_FLASH_MINOR,
|
|
g_mtd_fs, NULL);
|
|
#endif /* HAVE_MX25R6435F_SMARTFS */
|
|
|
|
#endif /* CONFIG_B_L475E_IOT01A_MTD_PART */
|
|
}
|
|
#endif /* HAVE_MX25R6435F */
|
|
|
|
#ifdef HAVE_SPSGRF
|
|
/* Configure Spirit/SPSGRF wireless */
|
|
|
|
ret = stm32l4_spirit_initialize();
|
|
if (ret < 0)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: stm32l4_spirit_initialize() failed: %d\n",
|
|
ret);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_TIMER
|
|
/* Register timer drivers */
|
|
|
|
ret = stm32l4_timer_driver_setup();
|
|
if (ret < 0)
|
|
{
|
|
syslog(LOG_ERR, "ERROR: Failed to setup TIM1 at /dev/timer0: %d\n",
|
|
ret);
|
|
}
|
|
#endif
|
|
|
|
return ret;
|
|
}
|