From:
address@hidden
[mailto:address@hidden On Behalf Of Peter
Barada
Sent: Friday, September 18, 2009 1:03 PM
To: address@hidden
Subject: [Ltib] YAFFS2 tool/deployment method
Attached are components
containing a new mkyaffs2image tarball, patches and .spec file that can deal
with a device table, and can be used by LTIB to create a YAFFS2 root filesystem
image as a new YAFFS2 deployment method.
The following patch to current LTIB CVS should get it running (my LTIB
version is based on version 8.4.1 and hacked up pretty hard so YMMV):
address@hidden:~/work/logic/cvs-ltib/ltib$ cvs diff -up .
Index: bin/Ltibutils.pm
===================================================================
RCS file: /sources/ltib/ltib/bin/Ltibutils.pm,v
retrieving revision 1.27
diff -u -p -r1.27 Ltibutils.pm
--- bin/Ltibutils.pm 14 Sep 2009 09:39:16 -0000 1.27
+++ bin/Ltibutils.pm 18 Sep 2009 16:53:00 -0000
@@ -682,6 +682,10 @@ if [ "$pcf->{DEPLOYMENT_JFFS2}" = "y" ] then
rm -f $tdir/rootfs.jffs2
fi
+if [ "$pcf->{DEPLOYMENT_YAFFS2}" = "y" ]+then
+ rm -f $tdir/rootfs.yaffs2
+fi
if [ "$pcf->{DEPLOYMENT_CRAMFS}" = "y" ] then
rm -f $tdir/cramfs.*
@@ -876,6 +880,12 @@ then
mkfs.jffs2 -n $pad_opt -D $dev_tab -U $endian -e $pcf->{DEPLOYMENT_ERASE_BLOCK_SIZE} -d $stage -o $tdir/rootfs.jffs2 ln -sf $tdir/rootfs.jffs2 $tdir/rootfs_image
fi
+if [ "$pcf->{DEPLOYMENT_YAFFS2}" = "y" ]+then
+ mkfs.yaffs2 -r -p $stage/etc/passwd -N -D $dev_tab $endian $stage $tdir/rootfs.yaffs2;
+ ln -sf $tdir/rootfs.yaffs2 $tdir/rootfs_image
+fi
+fi
if [ "$pcf->{DEPLOYMENT_CRAMFS}" = "y" ] then
mkfs.cramfs -q -D $dev_tab $endian $stage $tdir/rootfs.cramfs
Index: config/platform/host/ltib.preconfig
===================================================================
RCS file: /sources/ltib/ltib/config/platform/host/ltib.preconfig,v
retrieving revision 1.3
diff -u -p -r1.3 ltib.preconfig
--- config/platform/host/ltib.preconfig 27 Aug 2009 08:31:14 -0000 1.3
+++ config/platform/host/ltib.preconfig 18 Sep 2009 16:53:00 -0000
@@ -378,6 +378,7 @@ CONFIG_X11_NONE=y
# CONFIG_PKG_XORG_X11_TWM is not set
# CONFIG_PKG_XTERM is not set
# CONFIG_PKG_YAFFS_UTILS is not set
+CONFIG_PKG_MKYAFFS2IMAGE=y
# CONFIG_PKG_ZAPTEL is not set
# CONFIG_PKG_ZLIB is not set
Index: config/userspace/deployment.lkc
===================================================================
RCS file: /sources/ltib/ltib/config/userspace/deployment.lkc,v
retrieving revision 1.4
diff -u -p -r1.4 deployment.lkc
--- config/userspace/deployment.lkc 14 Sep 2009 09:39:16 -0000 1.4
+++ config/userspace/deployment.lkc 18 Sep 2009 16:53:00 -0000
@@ -15,6 +15,11 @@ choice
help
build a jffs2 flash filesystem image
+ config DEPLOYMENT_YAFFS2
+ bool "yaffs2"
+ help
+ build a yaffs2 flash filesystem image
+
config DEPLOYMENT_RAMDISK
bool "ext2.gz ramdisk"
help
@@ -51,6 +56,7 @@ endchoice
config SYSCFG_DEPLOYMENT_STYLE
string
+ default YAFFS2 if DEPLOYMENT_YAFFS2
default JFFS2 if DEPLOYMENT_JFFS2
default RAMDISK if DEPLOYMENT_RAMDISK
default CRAMFS if DEPLOYMENT_CRAMFS
@@ -113,7 +119,7 @@ config SYSCFG_READONLY_FS
default n
config SYSCFG_TMPFS_SIZE
- depends SYSCFG_READONLY_FS || DEPLOYMENT_JFFS2
+ depends SYSCFG_READONLY_FS || DEPLOYMENT_JFFS2 || DEPLOYMENT_YAFFS2
string "tmpfs size"
default "512k"
help
@@ -124,10 +130,10 @@ config SYSCFG_TMPFS_SIZE
from the total available RAM to the system.
config SYSCFG_RAM_DIRS
- depends SYSCFG_READONLY_FS || DEPLOYMENT_JFFS2
+ depends SYSCFG_READONLY_FS || DEPLOYMENT_JFFS2 || DEPLOYMENT_YAFFS2
string "Place these dirs in writable RAM"
default "/tmp /etc /var" if SYSCFG_READONLY_FS
- default "/tmp /var" if DEPLOYMENT_JFFS2
+ default "/tmp /var" if DEPLOYMENT_JFFS2 || DEPLOYMENT_YAFFS2
help
Flash may only be erased a finite number of times (of the order
of 100000 times for a NOR device). If you deploy to Flash,
@@ -256,7 +262,7 @@ config DEPLOYMENT_STRIP_MORE
.ko are stripped like this.
config DEPLOYMENT_PADDING_KB
- depends ! DEPLOYMENT_NFS && ! DEPLOYMENT_JFFS2
+ depends ! DEPLOYMENT_NFS && ! DEPLOYMENT_JFFS2 && ! DEPLOYMENT_YAFFS2
default "0"
string "Allocate extra space (Kbytes)"
help
Index: config/userspace/packages.lkc
===================================================================
RCS file: /sources/ltib/ltib/config/userspace/packages.lkc,v
retrieving revision 1.34
diff -u -p -r1.34 packages.lkc
--- config/userspace/packages.lkc 3 Sep 2009 09:14:53 -0000 1.34
+++ config/userspace/packages.lkc 18 Sep 2009 16:53:00 -0000
@@ -3527,6 +3527,12 @@ config PKG_YAFFS_UTILS
This package contains YAFFS file system utilities to create YAFFS
image and partition.
+config PKG_MKYAFFS2IMAGE
+ bool "mkyaffs2image"
+ help
+ mkfs.yaffs2 utility to create YAFFS2 image of directory
+ structure suitable for burning into nand via u-boot.
+
config PKG_ZAPTEL
bool "zaptel"
select PKG_KERNEL_LEAVESRC
I've used it successfully to
create a YAFFS2 image that I can boot my OMAP35x boards as the root
filesystem(once burned via u-boot). Hopefully people find this useful...