• IRQ handler not called by ARM A53

    I'm testing GIC and ARM A53 connectivity. I can see that GIC is forwarding the IRQ request and ARM core has received it(shows in ISR reg). However, my IRQ handler is not getting called. Here is how I'm registering it..

    void main () { 
    

    ... 
    

    __enable_irq…

  • GIC500 + CPU Interface - CA53

    Hi,

    I am triggering PPI or SGI interrupt on gic500 which will then communicate with CA53 over cpu interface and interrupt routine will be executed. 

    After interrupt routine is executed, we can write to cpu interface End Of Interrupt Register to "clear" interrupt…