• About the skid problem in PMU overflow interrupt
    I asked a question about the PMU skid problem about half years ago ( https://community.arm.com/tools/dev-platforms/f/discussions/6986/about-the-interrupt-handling-in-gic), and i understand that the skid...
  • Arm Interrupt handling for GIC controller acpi
    The generic interrupt handling layer Maybe we all know the classic __do_IRQ() in the kernel, but as the so called a 'generic interrupt handling layer' introduced, the __do_IRQ will be deprecated over...
  • How to configure the interrupt of push buttons to be secure?
    I am using Linaro's Android release on Juno r1. I noticed that there are 6 user push buttons on the board, and I am trying to use the buttons to trigger a world switch (from non-secure to secure). Firstly...
  • How to generate timer interrupt?
    Hi all, I was studying juno_ADP_trm.pdf, but i don't find how to generate timer interrupt? for example, loop interrupt of 1ms. someone did it?
  • accuracy of periodic interrupt from generic timer
    1.Cortex-A9 has a private timer that supports one short and continous modes. We can configure it as continous mode and it will generates periodic interrupts without any more configuration. 2.Cortex-A53...