[RFC] rockchip: spl: Enable caches to speed up checksum validation

[Jagan Teki]

On Sun, Jul 2, 2023 at 4:31 PM Jonas Karlman <jonas at kwiboo.se> wrote:
>
> FIT checksum validation is very slow in SPL due to D-cache not being
> enabled.
>
> Enable caches in SPL to speed up FIT checksum validation, from seconds
> to milliseconds.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
> ---
> I am not sure if it is even a good idea to enable caches in SPL, if this
> is the best way to enable caches and maybe this should be behind a
> Kconfig option?

It would. I would suggest giving board options instead of marking them for SoC.

Be careful to proceed with this to make it default, as it affects
other drivers as well.

Jagan.