avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/fs/yaffs2/yaffs_osglue.h

@@ -0,0 +1,41 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+/*
+ * Header file for using yaffs in an application via
+ * a direct interface.
+ */
+
+
+#ifndef __YAFFS_OSGLUE_H__
+#define __YAFFS_OSGLUE_H__
+
+
+#include "yportenv.h"
+
+void yaffsfs_Lock(void);
+void yaffsfs_Unlock(void);
+
+u32 yaffsfs_CurrentTime(void);
+
+void yaffsfs_SetError(int err);
+
+void *yaffsfs_malloc(size_t size);
+void yaffsfs_free(void *ptr);
+
+void yaffsfs_OSInitialisation(void);
+
+
+#endif