[U-Boot] [PATCH 1/2] mkconfig: Make CONFIG_SYS_BOARD_NAME default to the configured target name

[Tom Rini]

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On 11/26/12 16:41, Henrik Nordström wrote:
> mån 2012-11-26 klockan 14:05 -0700 skrev Tom Rini:
> 
>> I think part of the solution is that in the environment now we
>> have board_name for the unique run-time-determined board we are
>> on (which defaults to CONFIG_SYS_BOARD).  In each of these
>> Allwiner SoCs do we have the ability to tell at run-time what we
>> are on, or only build-time?
> 
> Only build-time. There is no hardware board ID of any kind on the 
> boards. But it mostly matters for SPL to know you have the right
> SPL for the board, and cosmetics to have main u-boot report the
> right board model (not important).
> 
> But the more I think about it I think we will move all the
> important board parameters to a configuration header added to the
> SPL binary image, and we will then also add board name there. There
> is simply too many boards needing slightly different parameters but
> almost the same.

This is why, sooner rather than later I believe, we need to come up
with a good way to pass device trees in and around, asap.  An SPL that
contains a device tree for the correct board (and passes along to
U-Boot which could in turn pass along to the kernel if it's a full
tree) would solve your problem, yes?

- -- 
Tom

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