From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@denx.de (Pavel Machek) Date: Mon, 25 May 2015 14:41:33 +0200 Subject: [PATCH v4 1/2] ARM: socfpga: support suspend to ram In-Reply-To: <1432317735-29413-2-git-send-email-atull@opensource.altera.com> References: <1432317735-29413-1-git-send-email-atull@opensource.altera.com> <1432317735-29413-2-git-send-email-atull@opensource.altera.com> Message-ID: <20150525124133.GF9943@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! > Suspend-to-RAM and EDAC support are mutually exclusive on SOCFPGA > platforms. CONFIG_SOCFPGA_SUSPEND enables suspend-to-RAM and > prevents selecting CONFIG_EDAC_ALTERA_MC. Do we went to have the dependency at the .config time? We would like to do generic kernels booting on many machines, this kind of breaks that... > + /* > + * This code assumes that the bootloader has already > + * properly configured the sdram controller: Which bootloaders can do that? > + * sdr.ctrlcfg.lowpwreq.selfrfshmask = 3 > + * sdr.ctrlcfg.lowpwrtiming.clkdisablecycles = 8 > + * sdr.ctrlcfg.dramtiming4.selfrfshexit = 512 Would it make sense to configure it in Linux? Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html