K210 device tree

[Anup Patel]

On Wed, Aug 19, 2020 at 1:17 PM Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
> Hello Sean,
>
> up to now separate device trees for the Kendryte K210 have been
> developed for OpenSBI, U-Boot, Linux.
>
> U-Boot can be booted with a device-tree provided by OpenSBI using
> CONFIG_OF_PRIOR_STAGE=y in U-Boot.

I suggest we should have two defconfigs in U-Boot for Kendryte. One
for U-Boot M-mode and another for U-Boot S-mode.

Even if we can't boot Linux S-mode on Kendryte, still user can use
U-Boot S-mode to run standalone /baremetal applications in S-mode
using U-Boot.

Regards,
Anup

>
> Linux can also receive a device-tree from firmware.
>
> So wouldn't it make sense to move all the K210 device-tree development
> into OpenSBI?
>
> Best regards
>
> Heinrich
>
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