update stm32l476 disco to include init code for smartfs and nxffs for cases...

update stm32l476 disco to include init code for smartfs and nxffs for cases where those fs are included in build.

configs/stm32l476vg-disco/src/stm32_appinit.c

@@ -210,22 +210,60 @@ FAR struct mtd_dev_s *mtd_temp;
       g_mtd_fs = mtd_temp;
         
 #ifdef CONFIG_MTD_PARTITION
-      /* Setup a partition of 256KiB for our file system. */
-
-#if defined(CONFIG_N25QXXX_SECTOR512)
-      mtd_temp = mtd_partition(g_mtd_fs, 0, 512);
-#else
-      mtd_temp = mtd_partition(g_mtd_fs, 0, 64);
+      {
+        FAR struct mtd_geometry_s geo;
+        off_t nblocks;
+
+        /* Setup a partition of 256KiB for our file system. */
+
+        ret = MTD_IOCTL(g_mtd_fs, MTDIOC_GEOMETRY, (unsigned long)(uintptr_t)&geo);
+        if (ret < 0)
+          {
+            _err("ERROR: MTDIOC_GEOMETRY failed\n");
+            return ret;
+          }
+
+        nblocks = (256*1024) / geo.blocksize;
+
+        mtd_temp = mtd_partition(g_mtd_fs, 0, nblocks);
+        if (!mtd_temp)
+          {
+            _err("ERROR: mtd_partition failed\n");
+            return ret;
+          }
+
+        g_mtd_fs = mtd_temp;
+      }
 #endif
-      if (!g_mtd_fs)
+
+#ifdef HAVE_N25QXXX_SMARTFS
+      /* Configure the device with no partition support */
+
+      ret = smart_initialize(N25QXXX_SMART_MINOR, g_mtd_fs, NULL);
+      if (ret != OK)
         {
-          _err("ERROR: mtd_partition failed\n");
-          return ret;
+          _err("ERROR: Failed to initialize SmartFS: %d\n", ret);
         }
 
-      g_mtd_fs = mtd_temp;
-#endif
+#elif defined(HAVE_N25QXXX_NXFFS)
+      /* Initialize to provide NXFFS on the N25QXXX MTD interface */
 
+      ret = nxffs_initialize(g_mtd_fs);
+      if (ret < 0)
+        {
+         _err("ERROR: NXFFS initialization failed: %d\n", ret);
+        }
+
+      /* Mount the file system at /mnt/nxffs */
+
+      ret = mount(NULL, "/mnt/nxffs", "nxffs", 0, NULL);
+      if (ret < 0)
+        {
+          _err("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
+          return ret;
+        }
+
+#else /* if  defined(HAVE_N25QXXX_CHARDEV) */
       /* Use the FTL layer to wrap the MTD driver as a block driver */
 
       ret = ftl_initialize(N25QXXX_MTD_MINOR, g_mtd_fs);
@@ -256,6 +294,7 @@ FAR struct mtd_dev_s *mtd_temp;
           _err("ERROR: bchdev_register %s failed: %d\n", chardev, ret);
           return ret;
         }
+#endif
     }
 #endif