The callback IRQ is delivered to the NS OS. Provide an interface to
allow the NS OS to obtain the callback data from the secure HW.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
The IPI hardware is secure and managed by ATF, nevertheless we deliver
the IRQ to the rich OS. The IRQ is needed to receive PM callbacks.
Enable the IPI interrupt when the rich OS probes the API version.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
The Xilinx Zynq UltraScale+ MPSOC containes a quad A53 cluster. This
patch adds the platform port for that SoC.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>