On Wed, Dec 19, 2018 at 6:32 PM Andre Przywara <[email protected]> wrote: > > From: "From: Karl Palsson" <[email protected]> > > Commit a8011eb84dfa("sunxi: board: Print error after power initialization > fails") moved the DRAM init after the increase of the CPU clock > frequency. This lead to various DRAM initialisation failures on some > boards (hangs or wrong size reported, on a NanoPi Duo2 and OrangePi > Zero, for instance). Lowering the CPU frequency significantly (for instance > to 408 MHz) seems to work around the problem, so this points to some timing > issues in the DRAM code. > > Debugging this sounds like a larger job, so let's just revert this patch > to bring back those boards. > Beside this probably unintended change the patch just moved the error > message around, so reverting this is not a real loss.
Better mark this as TODO somewhere, may be some one look it later. > > This reverts commit a8011eb84dfac5187cebf00ed8bc981bdb5c1fa1. > > Tested-By: Priit Laes <[email protected]> > Signed-off-by: Karl Palsson <[email protected]> > Signed-off-by: Andre Przywara <[email protected]> Applied to u-boot-sunxi/master _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
