[meta-xilinx] [U-BOOT PATCH] zynq_common: Add uEnv.txt boot environment load support

[Michal Simek]

Hi,

On 08/30/2013 08:13 AM, Nathan Rossi wrote:
> Add support for using a uEnv.txt file for loading and or modifying the
> existing boot environment during a Zynq "sdboot". If the environment
> fails to load during the "sdboot" continue booting from SD normally.
> 
> This uEnv.txt and bootenv/uenv default environment variables are based
> on the implementation used in omap3_beagle.h.
> 
> Signed-off-by: Nathan Rossi <nathan.rossi at xilinx.com>
> ---
> Hi All,
> 
> This is a feature that has been requested by some users of the meta-xilinx
> layer. It is the additional of an optional 'uEnv.txt' boot environment file
> which allows the modification of the SD boot. It is very useful for development
> purposes and also in production environments. (There are also some specific
> development boards that would greatly benefit from this, specifcally the
> Parallella board which cannot directly boot from SD card due to its use of SD_1
> instead of SD_0, this would make boot environment modifications significantly
> easier)
> 
> Philip has done an initial implementation of this feature see:
> https://github.com/balister/meta-xilinx/commit/8b66cb1edb65c34c332888e907aec4333422af6b#L1R1
> 
> However I would like to see this accepted into the u-boot-xlnx for the next
> release. So I have reworked Philip's initial implementation (based on some
> comments from Michal).
> 
> When this is accepted into the master-next branch of u-boot-xlnx I will backport
> it for use in the Yocto meta-xilinx layer.
> 
> Regards,
> Nathan
> ---
>  include/configs/zynq_common.h |   28 ++++++++++++++++++++++------
>  1 file changed, 22 insertions(+), 6 deletions(-)

Applied to the master-next.

Thanks,
Michal