[PATCH v7 08/31] arm: vexpress: Add a devicetree files for juno

[Tom Rini]

On Wed, Dec 08, 2021 at 04:59:14PM +0000, Andre Przywara wrote:
> On Mon,  6 Dec 2021 17:11:46 -0700
> Simon Glass <sjg at chromium.org> wrote:
> 
> Hi,
> 
> > Sync these file, obtained from Linux v5.15.
> 
> So just for the records:
> Here you have the same problem as with the other platforms: There are
> three different revisions of the board, all out in the wild and heavily
> used. The platform firmware (some STM32 controller on the board) sorts
> out which board you have, and places the right DTB in the NOR flash. So by
> reading that from there, you get the correct information.
> 
> So as it stands right now, having the Juno DTBs in the tree does not help
> in any way, as they are not packaged. Actually just u-boot.bin is becoming
> part of the TF-A FIP image, and then this fip.bin is copied to the board's
> SD card, along with all three DTBs.
> I can write up some instructions on how to deploy the firmware on the
> board, if that helps.

To me, a common theme is that the board documentation isn't clear enough
on how things work so yes, this would be greatly appreciated.

-- 
Tom
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