On Friday, 29 June 2018 22:37:02 MSK Peter Geis wrote:

Good Afternoon,

I have tested these patches on the Ouya T3 device.
They work great to enable the L2 cache controller, however they do not
respect explicitly disabling the L2 cache controller via the kernel
config nor device tree.

With CONFIG_CACHE_L2X0 disabled, but CONFIG_TRUSTED_FOUNDATIONS enabled,
the L2 cache controller is silently enabled and allows all four cores to
boot.

I don't see how cache could be enabled with CONFIG_CACHE_L2X0 disabled, there 
is no code to do that. Could you elaborate please?

Secondary cores do not depend on the cache state, disabled cache shouldn't 
prevent them to boot.

One must also disable CONFIG_TRUSTED_FOUNDATIONS to stop the L2 cache
controller from spinning up.

Tested-by: Peter Geis <redacted>