From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Date: Wed, 07 Jan 2015 19:05:49 +0000 Subject: [U-Boot] [PATCH v3 1/4] sun7i: Add support for taking CPUs offline via PSCI In-Reply-To: <7d1e08bb90d41aa04c5948133867e43e6d0e4217.1420030003.git.jan.kiszka@web.de> References: <7d1e08bb90d41aa04c5948133867e43e6d0e4217.1420030003.git.jan.kiszka@web.de> Message-ID: <1420657549.11796.43.camel@hellion.org.uk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Wed, 2014-12-31 at 13:46 +0100, Jan Kiszka wrote: > From: Jan Kiszka > > 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 Acked-by: Ian Campbell