[PATCH v4 1/2] ARM: socfpga: support suspend to ram
pavel at denx.de
Mon May 25 05:41:33 PDT 2015
> 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
> + /*
> + * 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?
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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