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authorCharles Manning <cdhmanning@gmail.com>2012-05-09 16:55:17 +0000
committerWolfgang Denk <wd@denx.de>2012-08-09 23:39:18 +0200
commit753ac610880e6e563d0384bb114f8b41df89e520 (patch)
tree049dc45790bc6f66dd696d4cd671fd6a2cae4473 /fs/yaffs2/yaffs_nandif.h
parent3874a377451e4d1f45710f5bf801dd96e8b8f67e (diff)
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u-boot: Update yaffs2 file system
This patch updates the yaffs2 in u-boot to correspond to git://www.aleph1.co.uk/yaffs2 commit id 9ee5d0643e559568dbe62215f76e0a7bd5a63d93 Signed-off-by: Charles Manning <cdhmanning@gmail.com>
Diffstat (limited to 'fs/yaffs2/yaffs_nandif.h')
-rw-r--r--fs/yaffs2/yaffs_nandif.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/fs/yaffs2/yaffs_nandif.h b/fs/yaffs2/yaffs_nandif.h
new file mode 100644
index 0000000..e780f7f
--- /dev/null
+++ b/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