--- /dev/null
+#
+# YAFFS file system configurations
+#
+
+config YAFFS_FS
+ tristate "YAFFS2 file system support"
+ help
+ YAFFS2, or Yet Another Flash Filing System, is a filing system
+ optimised for NAND Flash chips.
+
+ To compile the YAFFS2 file system support as a module, choose M here:
+ the module will be called yaffs2.
+
+ If unsure, say N.
+
+ Further information on YAFFS2 is available at
+ <http://www.aleph1.co.uk/yaffs/>.
+
+config YAFFS_YAFFS1
+ bool "512 byte / page devices"
+ depends on YAFFS_FS
+ help
+ Enable YAFFS1 support -- yaffs for 512 byte / page devices
+
+ If unsure, say Y.
+
+config YAFFS_YAFFS2
+ bool "2048 byte (or larger) / page devices"
+ depends on YAFFS_FS
+ help
+ Enable YAFFS2 support -- yaffs for >= 2048 byte / page larger devices
+
+ If unsure, say Y.
+
+config YAFFS_USE_NANDECC
+ bool "Use ECC functions of the generic MTD-NAND driver"
+ depends on YAFFS_FS
+ default y
+ help
+ This enables the ECC functions of the generic MTD-NAND driver.
+ This will not work if you are using the old mtd.
+
+ NB Use NAND ECC does not work at present with yaffsram.
+
+ If unsure, say Y.
+
+config YAFFS_ECC_WRONG_ORDER
+ bool "Use the same ecc byte order as Steven Hill's nand_ecc.c"
+ depends on YAFFS_FS && !YAFFS_USE_NANDECC
+ help
+ This makes yaffs_ecc.c use the same ecc byte order as
+ Steven Hill's nand_ecc.c. If not set, then you get the
+ same ecc byte order as SmartMedia.
+
+ If unsure, say N.
+
+config YAFFS_DISABLE_CHUNK_ERASED_CHECK
+ bool "Turn off debug chunk erase check"
+ depends on YAFFS_FS
+ default y
+ help
+ Enabling this turns off the test that chunks are erased in flash
+ before writing to them. This is safe, since the write verification
+ will fail. Suggest enabling the test (ie. say N)
+ during development to help debug things.
+
+ If unsure, say Y.
+
+config YAFFS_SHORT_NAMES_IN_RAM
+ bool "Cache short names in RAM"
+ depends on YAFFS_FS
+ default y
+ help
+ If this config is set, then short names are stored with the
+ yaffs_Object. This costs an extra 16 bytes of RAM per object,
+ but makes look-ups faster.
+
+ If unsure, say Y.
--- /dev/null
+#!/bin/sh
+#
+# YAFFS: Yet another FFS. A NAND-flash specific file system.
+#
+# Copyright (C) 2002 Aleph One Ltd.
+#
+# 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 General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# Patch YAFFS into the kernel
+#
+# args: kpath : Full path to kernel sources to be patched
+#
+# Somewhat "inspired by" the mtd patchin script
+#
+# $Id: patch-ker.sh,v 1.1 2005-07-31 09:04:13 marty Exp $
+
+VERSION=0
+PATCHLEVEL=0
+SUBLEVEL=0
+LINUXDIR=$1
+
+# To be a Linux directory, it must have a Makefile
+
+
+# Display usage of this script
+usage () {
+ echo "usage: $0 kernelpath"
+ exit 1
+}
+
+
+
+if [ -z $LINUXDIR ]
+then
+ usage;
+fi
+
+# Check if kerneldir contains a Makefile
+if [ ! -f $LINUXDIR/Makefile ]
+then
+ echo "Directory $LINUXDIR does not exist or is not a kernel source directory";
+ exit 1;
+fi
+
+# Get kernel version
+VERSION=`grep -s VERSION <$LINUXDIR/Makefile | head -n 1 | sed s/'VERSION = '//`
+PATCHLEVEL=`grep -s PATCHLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'PATCHLEVEL = '//`
+SUBLEVEL=`grep -s SUBLEVEL <$LINUXDIR/Makefile | head -n 1 | sed s/'SUBLEVEL = '//`
+
+# Can we handle this version?
+if [ $VERSION -ne 2 -o $PATCHLEVEL -lt 6 ]
+then
+ echo "Cannot patch kernel version $VERSION.$PATCHLEVEL.$SUBLEVEL, must be 2.6.x or higher"
+ exit 1;
+fi
+
+
+KCONFIG=$LINUXDIR/fs/Kconfig
+KCONFIGOLD=$LINUXDIR/fs/Kconfig.pre.yaffs
+YAFFS_PATCHED_STRING=`grep -s yaffs <$KCONFIG | head -n 1`
+
+MAKEFILE=$LINUXDIR/fs/Makefile
+MAKEFILEOLD=$LINUXDIR/fs/Makefile.pre.yaffs
+
+if [ ! -z "$YAFFS_PATCHED_STRING" ]
+then
+ YAFFS_PATCHED=0
+ echo "$KCONFIG already mentions YAFFS, so we will not change it"
+else
+ # Change the fs/Kconfig file
+ # Save the old Kconfig
+ # Copy all stuff up to JFFS
+ # Insert some YAFFS stuff
+ # Copy all the rest of the stuff
+
+ YAFFS_PATCHED=1
+ echo "Updating $KCONFIG"
+ mv -f $KCONFIG $KCONFIGOLD
+ sed -n -e "/JFFS/,99999 ! p" $KCONFIGOLD >$KCONFIG
+ echo "">>$KCONFIG
+ echo "# Patched by YAFFS" >>$KCONFIG
+ echo "source \"fs/yaffs2/Kconfig\"">>$KCONFIG
+ echo "">>$KCONFIG
+ sed -n -e "/JFFS/,99999 p" $KCONFIGOLD >>$KCONFIG
+
+ # now do fs/Makefile -- simply add the target at the end
+ echo "Updating $MAKEFILE"
+ cp -f $MAKEFILE $MAKEFILEOLD
+ echo "">>$MAKEFILE
+ echo "# Patched by YAFFS" >>$MAKEFILE
+ echo "obj-\$(CONFIG_YAFFS_FS) += yaffs2/" >>$MAKEFILE
+
+fi
+
+YAFFSDIR=$LINUXDIR/fs/yaffs2
+
+if [ -e $YAFFSDIR ]
+then
+ echo "$YAFFSDIR exists, not patching"
+else
+ mkdir $LINUXDIR/fs/yaffs2
+ cp Makefile.kernel $LINUXDIR/fs/yaffs2/Makefile
+ cp Kconfig $LINUXDIR/fs/yaffs2
+ cp *.c *.h $LINUXDIR/fs/yaffs2
+fi