[FE training-materials-updates] Update buildroot lab to generate a UBIFS image
Boris Brezillon
boris.brezillon at free-electrons.com
Thu Jun 4 17:09:52 CEST 2015
Repository : git://git.free-electrons.com/training-materials.git
On branch : master
Link : http://git.free-electrons.com/training-materials/commit/?id=ac160b40ad21ded6b749456e16308104fdbad11e
>---------------------------------------------------------------
commit ac160b40ad21ded6b749456e16308104fdbad11e
Author: Boris Brezillon <boris.brezillon at free-electrons.com>
Date: Thu Jun 4 17:08:33 2015 +0200
Update buildroot lab to generate a UBIFS image
Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
>---------------------------------------------------------------
ac160b40ad21ded6b749456e16308104fdbad11e
labs/sysdev-buildroot/sysdev-buildroot.tex | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/labs/sysdev-buildroot/sysdev-buildroot.tex b/labs/sysdev-buildroot/sysdev-buildroot.tex
index 1c1a736..0d5e2ea 100644
--- a/labs/sysdev-buildroot/sysdev-buildroot.tex
+++ b/labs/sysdev-buildroot/sysdev-buildroot.tex
@@ -185,20 +185,15 @@ lab.
\item Flash the new system on the flash of the board
\begin{itemize}
- \item First, in buildroot, select the JFFS2 filesystem image type.
+ \item First, in buildroot, select the UBIFS filesystem image type.
\item You'll also need to provide buildroot some information on the
- underlying device that will store the filesystem. In our case, we
- will store it on a NAND, with pages 2kB wide, and with an erase
- size of 128kB.
- \item We'll also need to pad the output to the end of the next erase
- block
- \item Then, once the image has been generated, flash it on your
- board.
+ underlying device that will store the filesystem. In our case, the
+ logical eraseblock size is 124KiB, the minimum I/O unit size is
+ 2048 and the Maximum logical eraseblock (LEB) count is 1000.
+ \item Then, once the image has been generated, update your rootfs
+ volume.
\end{itemize}
- Once generated, look at the size of your JFFS2 image, and make sure
- your MTD partition is large enough to hold it!
-
\item Add dropbear (SSH server and client) to the list of packages
built by Buildroot and log to your target system using an ssh client
on your development workstation. Hint: you will have to set a
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