diff --git a/buildroot-external/board/ova/barebox.config b/buildroot-external/board/ova/barebox.config
index 18bf0c4fa..407a3a162 100644
--- a/buildroot-external/board/ova/barebox.config
+++ b/buildroot-external/board/ova/barebox.config
@@ -3,13 +3,17 @@ CONFIG_PROMPT="hassio-os:"
 CONFIG_BLOCK=y
 CONFIG_PARTITION=y
 CONFIG_PARTITION_DISK=y
+CONFIG_PARTITION_DISK_EFI=y
 CONFIG_DEFAULT_COMPRESSION_LZ4=y
 CONFIG_STATE=y
 CONFIG_BOOTCHOOSER=y
 CONFIG_CLOCKSOURCE_EFI=y
 CONFIG_FS_EXT4=y
-# CONFIG_FS_RAMFS is not set
 CONFIG_FS_FAT=y
 CONFIG_FS_SQUASHFS=y
-CONFIG_ZLIB=y
+CONFIG_FS_EFI=y
+CONFIG_FS_EFIVARFS=y
+CONFIG_FS_FAT=y
+CONFIG_FS_FAT_WRITE=y
+CONFIG_FS_FAT_LFN=y
 CONFIG_LZ4_DECOMPRESS=y
diff --git a/buildroot-external/board/ova/genimage.config b/buildroot-external/board/ova/genimage.config
new file mode 100644
index 000000000..8d6f27d7f
--- /dev/null
+++ b/buildroot-external/board/ova/genimage.config
@@ -0,0 +1,54 @@
+image boot.vfat {
+  vfat {
+    files = {
+      "bzImage"
+    }
+  }
+  size = 64M
+}
+
+image overlay.ext4 {
+  ext4 {
+    label = "overlay"
+  }
+  size = 128M
+}
+
+image data.ext4 {
+  ext4 {
+    label = "data"
+  }
+  size = 128M
+}
+
+image sdcard.img {
+  hdimage {
+  }
+
+  partition boot {
+    partition-type = 0xC
+    bootable = "true"
+    image = "boot.vfat"
+  }
+
+  partition root-a {
+    partition-type = 0x83
+    image = "rootfs.squashfs"
+    size = 256M
+  }
+
+  partition root-b {
+    partition-type = 0x83
+    size = 256M
+  }
+
+  partition overlay {
+    partition-type = 0x83
+    image = "overlay.ext4"
+  }
+
+  partition data {
+    partition-type = 0x83
+    image = "data.ext4"
+  }
+}