• SGIs in AMP Configuration with Non-SMP Linux /RTOS

    I am trying to run two Cortex-A7s in AMP configuration with Linux running on one core (SMP disabled) and baremetal/RTOS running on other core. I am having difficulty in setting up SGIs (IPIs) between the two cores. I am at a point where both of the cores…

  • GICv2 initialization for Non-Secure World

    Hi,

    Recently I am working on porting our Cortex A7 code that used to run in secure world to non-secure world for some reason. I got a problem when it came to GIC initialization.

    I noticed that in order to manipulate a certain interrupt settings in non-secure…