Re: Unifying device tree filenames, and U-Boot SoC name

[Thierry Reding <thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>]

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* Stephen Warren wrote:
> I just posted a patch which causes U-Boot to define some variables
> describing which board you're running on:
> 
> http://lists.denx.de/pipermail/u-boot/2012-May/124556.html
> 
> In particular, see the description of that first patch for motivation
> re: U-Boot scripts.
> 
> The one issue here is that the U-Boot SoC name for Tegra20 is tegra2
> (hence it will define board_soc=tegra2), whereas the kernel's device
> tree files are all tegra-*.dts not tegra2-*.dts.
> 
> I propose we fix this by:
> 
> a) In the kernel, renaming tegra*-${board}.dts to tegra20-${board}.dts
> (or tegra30-${board}.dts). This appears to better match what most other
> ARM sub-arches are doing anyway.
> 
> b) In U-Boot, rename the tegra2 support to tegra20 so that U-Boot ends
> up setting board_soc=tegra20, so this matches the .dts/.dtb filenames.
> This would involve renaming arch/arm/cpu/armv7/tegra2/ to
> ./arch/arm/cpu/armv7/tegra20/ and editing boards.cfg to match, and
> possibly other related changes.
> 
> This sounds like churn, but I think we could easily fold this into
> Allen's series that moves the tegra2 directory in order to put it in a
> common place for separate SPL/non-SPL builds to avoid doing this kind of
> thing multiple times.
> 
> Does anyone think this is a good/bad/... idea? Thanks.

I like it. It's better to have the names consistent.

Thierry

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