tree d7fd2c9aa95f20762bc94d03af0602e65e1ad359
parent 87e7a9a557cd61c6cb50c590317d16e25fa15ade
author David Wang <david.wang@arm.com> 1465262560 +0800
committer David Wang <david.wang@arm.com> 1465377620 +0800

CSS: Add support to wake up the core from wfi in GICv3

In GICv3 mode, the non secure group1 interrupts are signalled via the
FIQ line in EL3. To support waking up from CPU_SUSPEND to standby on
these systems, EL3 should route FIQ to EL3 temporarily before wfi and
restore the original setting after resume. This patch makes this change
for the CSS platforms in the `css_cpu_standby` psci pm ops hook.

Change-Id: Ibf3295d16e2f08da490847c1457bc839e1bac144