Can Cortex-A53 l2 cache be controlled seperatly?

Hi Experts,

    I'm researching Cortex-A53 cache.

   Can Cortex-a53 l2cache be enable/disable independently? 

   Is it possible to only enable l1 cache and disable l2cache?

   Does cortex-a53 support l2cache lock function?

   Thanks for your attention!

Best Regards,

Emmy

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