239 lines
7.1 KiB
C
239 lines
7.1 KiB
C
/****************************************************************************
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* config/b-l475e-iot01a/src/stm32_bringup.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Simon Piriou <spiriou31@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <syslog.h>
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#include <errno.h>
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#include <nuttx/input/buttons.h>
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#include <nuttx/leds/userled.h>
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#include <nuttx/spi/qspi.h>
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#include <nuttx/mtd/mtd.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "stm32l4_qspi.h"
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#include "b-l475e-iot01a.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_bringup
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*
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* Description:
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* Called either by board_intialize() if CONFIG_BOARD_INITIALIZE or by
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* board_app_initialize if CONFIG_LIB_BOARDCTL is selected. This function
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* initializes and configures all on-board features appropriate for the
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* selected configuration.
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*
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****************************************************************************/
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int stm32l4_bringup(void)
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{
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int ret = OK;
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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ret = mount(NULL, "/proc", "procfs", 0, NULL);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
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}
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#endif
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#if defined(CONFIG_USERLED) && !defined(CONFIG_ARCH_LEDS)
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#ifdef CONFIG_USERLED_LOWER
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/* Register the LED driver */
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ret = userled_lower_initialize("/dev/userleds");
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if (ret != OK)
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{
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syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
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return ret;
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}
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#else
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/* Enable USER LED support for some other purpose */
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board_userled_initialize();
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#endif /* CONFIG_USERLED_LOWER */
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#endif /* CONFIG_USERLED && !CONFIG_ARCH_LEDS */
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#ifdef HAVE_MX25R6435F
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{
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/* Create an instance of the STM32L4 QSPI device driver */
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FAR struct qspi_dev_s *g_qspi;
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FAR struct mtd_dev_s *g_mtd_fs;
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g_qspi = stm32l4_qspi_initialize(0);
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if (g_qspi == NULL)
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{
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syslog(LOG_ERR, "ERROR: stm32l4_qspi_initialize failed\n");
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return -EIO;
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}
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/* Use the QSPI device instance to initialize the
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* MX25R6435F flash device.
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*/
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g_mtd_fs = mx25rxx_initialize(g_qspi, true);
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if (!g_mtd_fs)
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{
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syslog(LOG_ERR, "ERROR: mx25rxx_initialize failed\n");
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return -EIO;
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}
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#ifdef CONFIG_B_L475E_IOT01A_MTD_PART
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{
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/* Create partitions on external flash memory */
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int partno;
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int partsize;
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int partoffset;
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int partszbytes;
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int erasesize;
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FAR struct mtd_geometry_s geo;
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const char *ptr = CONFIG_B_L475E_IOT01A_MTD_PART_LIST;
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FAR struct mtd_dev_s *mtd_part;
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char partref[4];
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/* Now create a partition on the FLASH device */
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partno = 0;
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partoffset = 0;
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/* Query MTD geometry */
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ret = MTD_IOCTL(g_mtd_fs, MTDIOC_GEOMETRY,
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(unsigned long)(uintptr_t)&geo);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: MTDIOC_GEOMETRY failed\n");
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return ret;
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}
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/* Get the Flash erase size */
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erasesize = geo.erasesize;
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while (*ptr != '\0')
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{
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/* Get the partition size */
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partsize = atoi(ptr);
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if (partsize <= 0)
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{
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syslog(LOG_ERR, "Error while processing <%s>\n", ptr);
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goto process_next_part;
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}
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partszbytes = (partsize << 10); /* partsize is defined in KB */
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if ((partszbytes < erasesize) || ((partszbytes % erasesize) != 0))
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{
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syslog(LOG_ERR, "Invalid partition size: %d bytes\n",
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partszbytes);
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partszbytes = (partszbytes+erasesize) & -erasesize;
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}
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mtd_part = mtd_partition(g_mtd_fs, partoffset,
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partszbytes / erasesize);
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partoffset += partszbytes / erasesize;
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#if defined(CONFIG_MTD_SMART) && defined(CONFIG_FS_SMARTFS)
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/* Now initialize a SMART Flash block device and bind it to the MTD
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* device */
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sprintf(partref, "p%d", partno);
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smart_initialize(CONFIG_B_L475E_IOT01A_MTD_FLASH_MINOR,
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mtd_part, partref);
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#endif
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process_next_part:
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/* Update the pointer to point to the next size in the list */
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while ((*ptr >= '0') && (*ptr <= '9'))
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{
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ptr++;
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}
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if (*ptr == ',')
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{
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ptr++;
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}
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/* Increment the part number */
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partno++;
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}
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}
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#else /* CONFIG_B_L475E_IOT01A_MTD_PART */
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#ifdef HAVE_MX25R6435F_SMARTFS
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/* Configure the device with no partition support */
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smart_initialize(CONFIG_B_L475E_IOT01A_MTD_FLASH_MINOR, g_mtd_fs, NULL);
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#endif /* HAVE_MX25R6435F_SMARTFS */
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#endif /* CONFIG_B_L475E_IOT01A_MTD_PART */
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}
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#endif /* HAVE_MX25R6435F */
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#ifdef HAVE_SPSGRF
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/* Configure Spirit/SPSGRF wireless */
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ret = stm32l4_spirit_initialize();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32l4_spirit_initialize() failed: %d\n", ret);
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}
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#endif
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return ret;
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}
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