[bootlin/training-materials updates] master: Document work-around for the NAND flash lab (5bc00087)

Michael Opdenacker michael.opdenacker at bootlin.com
Fri Jul 3 19:20:54 CEST 2020

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/5bc000877419b63ad2f4dfe675c61937aa2dc1ff


commit 5bc000877419b63ad2f4dfe675c61937aa2dc1ff
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Fri Jul 3 19:20:54 2020 +0200

    Document work-around for the NAND flash lab
    - Mainly to provide a solution for people doing the labs
      by themselves.
    - Will look for a better solution for the next session.
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


 labs/sysdev-flash-filesystems/sysdev-flash-filesystems.tex | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/labs/sysdev-flash-filesystems/sysdev-flash-filesystems.tex b/labs/sysdev-flash-filesystems/sysdev-flash-filesystems.tex
index aac5ef0f..b593165f 100644
--- a/labs/sysdev-flash-filesystems/sysdev-flash-filesystems.tex
+++ b/labs/sysdev-flash-filesystems/sysdev-flash-filesystems.tex
@@ -36,6 +36,14 @@ Which gives the following layout:
+\section{U-Boot issue work-around}
+{\em {\bf Caution:} recent mainline U-Boot versions have issues
+using the UBI image that we produce during this lab.
+So, to do this lab before we find a better solution, you can compile U-Boot 2018.01
+with the MMC configuration and boot it from MMC.}
 \section{Enabling NAND flash and filesystems}
 First, make sure your kernel has support for UBI and UBIFS, and also

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