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_nandif.h

@@ -0,0 +1,65 @@
+/*
+ * 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.
+ */
+
+
+#ifndef __YNANDIF_H__
+#define __YNANDIF_H__
+
+#include "yaffs_guts.h"
+
+struct ynandif_Geometry {
+	unsigned start_block;
+	unsigned end_block;
+	unsigned dataSize;
+	unsigned spareSize;
+	unsigned pagesPerBlock;
+	unsigned hasECC;
+	unsigned inband_tags;
+	unsigned useYaffs2;
+
+	int (*initialise)(struct yaffs_dev *dev);
+	int (*deinitialise)(struct yaffs_dev *dev);
+
+	int (*readChunk) (struct yaffs_dev *dev,
+					  unsigned pageId,
+					  unsigned char *data,
+					  unsigned dataLength,
+					  unsigned char *spare,
+					  unsigned spareLength,
+					  int *eccStatus);
+	/* ECC status is set to 0 for OK, 1 for fixed, -1 for unfixed. */
+
+	int (*writeChunk)(struct yaffs_dev *dev,
+					  unsigned pageId,
+					  const unsigned char *data,
+					  unsigned dataLength,
+					  const unsigned char *spare,
+					  unsigned spareLength);
+
+	int (*eraseBlock)(struct yaffs_dev *dev, unsigned blockId);
+
+	int (*checkBlockOk)(struct yaffs_dev *dev, unsigned blockId);
+	int (*markBlockBad)(struct yaffs_dev *dev, unsigned blockId);
+
+	void *privateData;
+
+};
+
+struct yaffs_dev *
+	yaffs_add_dev_from_geometry(const YCHAR *name,
+					const struct ynandif_Geometry *geometry);
+
+
+#endif