[U-Boot] [PATCH v3 1/4] sun7i: Add support for taking CPUs offline via PSCI

[Ian Campbell]

On Wed, 2014-12-31 at 13:46 +0100, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka at siemens.com>
> 
> Based on the original version by Marc Zyngier. It adds a psci_cpu_off
> implementation for the A20 SoC. The mechanism works by first preparing
> the calling CPU to go offline (disable and flush cache, disable SMP),
> then requesting CPU 0 to pull the plug. The request is sent as FIQ on
> SGI15.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>