u-boot/fs/yaffs2/yaffs_nandif.h
Charles Manning 753ac61088 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>
2012-08-09 23:39:18 +02:00

66 lines
1.6 KiB
C

/*
* 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