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Newbie s55moon
Newbie
329 Views
Registered: ‎02-26-2018

APU want to write RPU GIC(PL390)

Hi,

I use ZCU102102 evaluation kit. (ug1087)

I want APU send interrupt to RPU via 2 channel. It means I want to use different priority.

I already use IPI. And I need one more interrupt line.

So, according to  manual, APU can access RPU's GIC(PL390).

In trace32, APU can access RPU's GIC(0xF900_0000). But data is all zero and can't write.

Is there any special GIC config or something?

 

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