stm32f746g-disco: Make the initialization logic identical to the standard way that is done for all other board.

configs/stm32f746g-disco/src/stm32_appinitialize.c

@@ -39,13 +39,10 @@
 
 #include <nuttx/config.h>
 
-#include <sys/types.h>
-#include <sys/mount.h>
-#include <syslog.h>
-#include <errno.h>
-
 #include "stm32f746g-disco.h"
 
+#ifdef CONFIG_LIB_BOARDCTL
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -77,29 +74,13 @@
 
 int board_app_initialize(uintptr_t arg)
 {
-#ifdef CONFIG_FS_PROCFS
-  int ret;
-
-#ifdef CONFIG_STM32_CCM_PROCFS
-  /* Register the CCM procfs entry.  This must be done before the procfs is
-   * mounted.
-   */
-
-  (void)ccm_procfs_register();
-#endif
-
-  /* Mount the procfs file system */
-
-  ret = mount(NULL, STM32_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
-  if (ret < 0)
-    {
-      syslog(LOG_ERR,
-             "ERROR: Failed to mount the PROC filesystem: %d (%d)\n",
-             ret, errno);
-      return ret;
-
-    }
-#endif
+#ifndef CONFIG_BOARD_INITIALIZE
+  /* Perform board-specific initialization */
 
+  return stm32_bringup();
+#else
   return OK;
+#endif
 }
+
+#endif

configs/stm32f746g-disco/src/stm32_boot.c

@@ -107,13 +107,8 @@ void stm32_boardinitialize(void)
 #ifdef CONFIG_BOARD_INITIALIZE
 void board_initialize(void)
 {
-#if !defined(CONFIG_NSH_ARCHINIT) && !defined(CONFIG_LIB_BOARDCTL)
-  /* Perform NSH initialization here instead of from the NSH.  This
-   * alternative NSH initialization is necessary when NSH is ran in user-space
-   * but the initialization function must run in kernel space.
-   */
+  /* Perform board-specific initialization */
 
-  (void)board_app_initialize(0);
-#endif
+  (void)stm32_bringup();
 }
 #endif

configs/stm32f746g-disco/src/stm32_bringup.c

@@ -0,0 +1,96 @@
+/****************************************************************************
+ * config/stm32f476g-disco/src/stm32_bringup.c
+ *
+ *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <sys/types.h>
+#include <sys/mount.h>
+#include <syslog.h>
+#include <errno.h>
+
+#include "stm32.h"
+
+#include "stm32f746g-disco.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_bringup
+ *
+ * Description:
+ *   Perform architecture-specific initialization
+ *
+ *   CONFIG_BOARD_INITIALIZE=y :
+ *     Called from board_initialize().
+ *
+ *   CONFIG_BOARD_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
+ *     Called from the NSH library
+ *
+ ****************************************************************************/
+
+int stm32_bringup(void)
+{
+#ifdef CONFIG_FS_PROCFS
+  int ret;
+
+#ifdef CONFIG_STM32_CCM_PROCFS
+  /* Register the CCM procfs entry.  This must be done before the procfs is
+   * mounted.
+   */
+
+  (void)ccm_procfs_register();
+#endif
+
+  /* Mount the procfs file system */
+
+  ret = mount(NULL, STM32_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to mount the PROC filesystem: %d (%d)\n",
+             ret, errno);
+      return ret;
+
+    }
+#endif
+
+  return OK;
+}

configs/stm32f746g-disco/src/stm32f746g-disco.h

@@ -100,6 +100,22 @@
  * Public Functions
  ****************************************************************************************************/
 
+/****************************************************************************************************
+ * Name: stm32_bringup
+ *
+ * Description:
+ *   Perform architecture-specific initialization
+ *
+ *   CONFIG_BOARD_INITIALIZE=y :
+ *     Called from board_initialize().
+ *
+ *   CONFIG_BOARD_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
+ *     Called from the NSH library
+ *
+ ****************************************************************************************************/
+
+int stm32_bringup(void);
+
 /****************************************************************************************************
  * Name: stm32_spidev_initialize
  *