[FE training-materials-updates] Bootloader slides: misc improvements

Michael Opdenacker michael.opdenacker at free-electrons.com
Sun Nov 8 19:51:28 CET 2015


Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=3620f7397411c004542ae0f1d184695c0ed91fa0

>---------------------------------------------------------------

commit 3620f7397411c004542ae0f1d184695c0ed91fa0
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Sun Nov 8 19:51:28 2015 +0100

    Bootloader slides: misc improvements
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


>---------------------------------------------------------------

3620f7397411c004542ae0f1d184695c0ed91fa0
 slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex b/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex
index e7f5a8a..4eee77d 100644
--- a/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex
+++ b/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex
@@ -96,6 +96,8 @@
     \item \code{make BOARDNAME_config}
     \item Where \code{BOARDNAME} is the name of the board, as visible
       in the \code{boards.cfg} file (first column).
+    \item New: you can now run \code{make menuconfig} to further
+      edit U-Boot's configuration!
     \end{itemize}
   \item Make sure that the cross-compiler is available in \code{PATH}
   \item Compile U-Boot, by specifying the cross-compiler prefix.\\
@@ -286,8 +288,8 @@ u-boot # saveenv
   \frametitle{Important U-Boot env variables}
   \begin{itemize}
   \item \code{bootcmd}, contains the command that U-Boot will
-    automatically execute at boot time after a configurable delay, if
-    the process is not interrupted
+    automatically execute at boot time after a configurable delay
+    (\code{bootdelay)}, if the process is not interrupted
   \item \code{bootargs}, contains the arguments passed to the Linux
     kernel, covered later
   \item \code{serverip}, the IP address of the server that U-Boot will
@@ -295,10 +297,10 @@ u-boot # saveenv
   \item \code{ipaddr}, the IP address that U-Boot will use
   \item \code{netmask}, the network mask to contact the server
   \item \code{ethaddr}, the MAC address, can only be set once
-  \item \code{bootdelay}, the delay in seconds before which U-Boot
-    runs \code{bootcmd}
   \item \code{autostart}, if yes, U-Boot starts automatically an image
     that has been loaded into memory
+  \item \code{filesize}, the size of the latest copy to memory
+    (from \code{tftp}, \code{fat load}, \code{nand read}...)
   \end{itemize}
 \end{frame}
 




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