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As stated in GIC v3 Arch: After powering up a PE, software must set ProcessorSleep to 0 and wait until ChildrenAsleep == 0.
Can you please also state the conditions for GICR_WAKER.ChildrenAsleep to go 0? As in my case at a particular operating frequency of GIC500, for some ARM A53 cores ChildrenAsleep do not go to 0 indefinitely (post clearing ProcessorSleep).
And hence respective cores do not come out of WFI.
P.S. Interrupt targeted to the Core and PE clocks enabled with WakeRequst signal.
Hi Danish,
I have moved your question to the Software Tools community as I feel that a member of this Community may be able to help answer your question.
Thanks
Ryan