On Tue 2014-10-14 14:33:39, at...@opensource.altera.com wrote: > From: Alan Tull <at...@opensource.altera.com> > > Add code that requests that the sdr controller go into > self-refresh mode. This code is run from ocram. > > This patch assumes that u-boot has already configured sdr: > sdr.ctrlcfg.lowpwreq.selfrfshmask = 3 > sdr.ctrlcfg.lowpwrtiming.clkdisablecycles = 8 > sdr.ctrlcfg.dramtiming4.selfrfshexit = 512 > > How to suspend to ram: > $ echo enabled > \ > /sys/devices/soc/ffc02000.serial0/tty/ttyS0/power/wakeup > > $ echo -n mem > /sys/power/state > > Signed-off-by: Alan Tull <at...@opensource.altera.com>
Acked-by: Pavel Machek <pa...@denx.de> -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
