[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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