boards/arm/stm32/stm3210e-eval/src/stm32_bringup.c

/****************************************************************************
 * boards/arm/stm32/stm3210e-eval/src/stm32_bringup.c
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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 <stdbool.h>
#include <stdio.h>
#include <debug.h>
#include <errno.h>

#include <nuttx/board.h>
#include <nuttx/i2c/i2c_master.h>

#ifdef CONFIG_STM32_SPI1
#  include <nuttx/spi/spi.h>
#  include <nuttx/mtd/mtd.h>
#endif

#ifdef CONFIG_STM32_SDIO
#  include <nuttx/sdio.h>
#  include <nuttx/mmcsd.h>
#endif

#ifdef CONFIG_VIDEO_FB
#  include <nuttx/video/fb.h>
#endif

#include "stm32.h"
#include "stm32_i2c.h"
#include "stm3210e-eval.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* Configuration ************************************************************/

/* For now, don't build in any SPI1 support -- NSH is not using it */

#undef CONFIG_STM32_SPI1

/* PORT and SLOT number probably depend on the board configuration */

#ifdef CONFIG_ARCH_BOARD_STM3210E_EVAL
#  define NSH_HAVEUSBDEV 1
#  define NSH_HAVEMMCSD  1
#  if defined(CONFIG_NSH_MMCSDSLOTNO) && CONFIG_NSH_MMCSDSLOTNO != 0
#    error "Only one MMC/SD slot"
#    undef CONFIG_NSH_MMCSDSLOTNO
#  endif
#  ifndef CONFIG_NSH_MMCSDSLOTNO
#    define CONFIG_NSH_MMCSDSLOTNO 0
#  endif
#else

/* Add configuration for new STM32 boards here */

#  error "Unrecognized STM32 board"
#  undef NSH_HAVEUSBDEV
#  undef NSH_HAVEMMCSD
#endif

/* Can't support USB features if USB is not enabled */

#ifndef CONFIG_USBDEV
#  undef NSH_HAVEUSBDEV
#endif

/* Can't support MMC/SD features if mountpoints are disabled or if SDIO
 * support is not enabled.
 */

#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
#  undef NSH_HAVEMMCSD
#endif

#ifndef CONFIG_NSH_MMCSDMINOR
#  define CONFIG_NSH_MMCSDMINOR 0
#endif

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Name: stm32_i2c_register
 *
 * Description:
 *   Register one I2C drivers for the I2C tool.
 *
 ****************************************************************************/

#ifdef HAVE_I2CTOOL
static void stm32_i2c_register(int bus)
{
  struct i2c_master_s *i2c;
  int ret;

  i2c = stm32_i2cbus_initialize(bus);
  if (i2c == NULL)
    {
      _err("ERROR: Failed to get I2C%d interface\n", bus);
    }
  else
    {
      ret = i2c_register(i2c, bus);
      if (ret < 0)
        {
          _err("ERROR: Failed to register I2C%d driver: %d\n", bus, ret);
          stm32_i2cbus_uninitialize(i2c);
        }
    }
}
#endif

/****************************************************************************
 * Name: stm32_i2ctool
 *
 * Description:
 *   Register I2C drivers for the I2C tool.
 *
 ****************************************************************************/

#ifdef HAVE_I2CTOOL
static void stm32_i2ctool(void)
{
#ifdef CONFIG_STM32_I2C1
  stm32_i2c_register(1);
#endif
#ifdef CONFIG_STM32_I2C2
  stm32_i2c_register(2);
#endif
#ifdef CONFIG_STM32_I2C3
  stm32_i2c_register(3);
#endif
}
#else
#  define stm32_i2ctool()
#endif

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: stm32_bringup
 *
 * Description:
 *   Perform architecture-specific initialization
 *
 *   CONFIG_BOARD_LATE_INITIALIZE=y :
 *     Called from board_late_initialize().
 *
 *   CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_BOARDCTL=y :
 *     Called from the NSH library
 *
 ****************************************************************************/

int stm32_bringup(void)
{
#ifdef CONFIG_STM32_SPI1
  struct spi_dev_s *spi;
  struct mtd_dev_s *mtd;
#endif
#ifdef NSH_HAVEMMCSD
  struct sdio_dev_s *sdio;
#endif
  int ret;

  /* Register I2C drivers on behalf of the I2C tool */

  stm32_i2ctool();

  /* Configure SPI-based devices */

#ifdef CONFIG_STM32_SPI1
  /* Get the SPI port */

  syslog(LOG_INFO, "Initializing SPI port 1\n");
  spi = stm32_spibus_initialize(1);
  if (!spi)
    {
      syslog(LOG_ERR, "ERROR: Failed to initialize SPI port 1\n");
      return -ENODEV;
    }

  syslog(LOG_INFO, "Successfully initialized SPI port 1\n");

  /* Now bind the SPI interface to the M25P64/128 SPI FLASH driver */

  syslog(LOG_INFO, "Bind SPI to the SPI flash driver\n");

  mtd = m25p_initialize(spi);
  if (!mtd)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to bind SPI port 0 to the SPI FLASH driver\n");
      return -ENODEV;
    }

  syslog(LOG_INFO,
         "Successfully bound SPI port 0 to the SPI FLASH driver\n");
#warning "Now what are we going to do with this SPI FLASH driver?"
#endif

  /* Create the SPI FLASH MTD instance */

  /* The M25Pxx is not a give media to implement a file system..
   * its block sizes are too large
   */

  /* Mount the SDIO-based MMC/SD block driver */

#ifdef NSH_HAVEMMCSD
  /* First, get an instance of the SDIO interface */

  syslog(LOG_INFO, "Initializing SDIO slot %d\n",
         CONFIG_NSH_MMCSDSLOTNO);

  sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
  if (!sdio)
    {
      syslog(LOG_ERR, "ERROR: Failed to initialize SDIO slot %d\n",
             CONFIG_NSH_MMCSDSLOTNO);
      return -ENODEV;
    }

  /* Now bind the SDIO interface to the MMC/SD driver */

  syslog(LOG_INFO, "Bind SDIO to the MMC/SD driver, minor=%d\n",
         CONFIG_NSH_MMCSDMINOR);

  ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, sdio);
  if (ret != OK)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
      return ret;
    }

  syslog(LOG_INFO, "Successfully bound SDIO to the MMC/SD driver\n");

  /* Then let's guess and say that there is a card in the slot.
   * I need to check to see if the STM3210E-EVAL board supports a GPIO
   * to detect if there is a card in the slot.
   */

  sdio_mediachange(sdio, true);
#endif

#ifdef CONFIG_ADC
  /* Initialize ADC and register the ADC driver. */

  ret = stm32_adc_setup();
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_adc_setup failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_STM32_CAN_CHARDRIVER
  /* Initialize CAN and register the CAN driver. */

  ret = stm32_can_setup();
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_can_setup failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_VIDEO_FB
  /* Initialize and register the simulated framebuffer driver */

  ret = fb_register(0, 0);
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_INPUT_DJOYSTICK
  /* Initialize and register the joystick driver */

  ret = stm32_djoy_initialization();
  if (ret != OK)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to register the joystick driver: %d\n", ret);
      return ret;
    }

  syslog(LOG_INFO, "Successfully registered the joystick driver\n");
#endif

  UNUSED(ret);
  return OK;
}