On Wed, Jul 23, 2014 at 9:59 AM, Henrik Nordström <henrik.nordst...@orsoc.se> wrote: > ons 2014-07-23 klockan 09:27 -0400 skrev jonsm...@gmail.com: > >> That new uboot DRAM support from Siarhei has the potential to boot on >> any Allwinner device. Once that hits we could do to a single generic >> entry for Allwinner. Then after uboot is out of SPL uboot could use a >> DTB to set everything else up optimally. > > You still need SPL tuning for optimal DRAM parameters. Not wise to mess > with DRAM controller while you are running from DRAM as it's quite > disruptive both blocking access and may even distort content. > > The generic parameters are however sufficiently good to allow booting > and discovery of the device and it's "optimal" HW parameters to some > extent. I.e. for use in installers, "safe fallback" etc.
The uboot could re-SPL after patching in the optimal DRAM parameteres. > > Regards > Henrik > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to linux-sunxi+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Jon Smirl jonsm...@gmail.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.