[U-Boot] [PATCH 1/2] Add env vars describing U-Boot target board

[Stephen Warren]

On 05/21/2012 01:00 PM, Wolfgang Denk wrote:
> Dear Stephen Warren,
> 
> In message <1337189793-25367-1-git-send-email-swarren at wwwdotorg.org> you wrote:
>> From: Stephen Warren <swarren at nvidia.com>
>>
>> This can be useful for generic scripts. For example, rather than hard-
>> coding a script to ext2load tegra-harmony.dtb, it could load
>> ${board_soc}-${board_name}.dtb and hence not need adjustments to
>> run on multiple boards.
>>
>> Signed-off-by: Stephen Warren <swarren at nvidia.com>
>> ---
>> Wolfgang, does this seem like a reasonable feature? If so, can we merge
>> it through the Tegra tree, since the next patch enables this for Tegra.
>> Thanks!
>>
>>  common/Makefile       |    9 +++++++++
>>  common/env_common.c   |   15 +++++++++++++++
>>  common/env_embedded.c |   15 +++++++++++++++
>>  3 files changed, 39 insertions(+), 0 deletions(-)
> 
> Please make this optional - I don't want to have this enforced on all
> boards, whether they want it or not.

Wolfgang,

Thanks for taking a look. The variables are already optional; you need
to set CONFIG_ENV_VAR_* in order for common/env_*.c to add those
variables to the default environment. Is that OK?