U-boot for Rockchip builds it's own TPL. I'm using it right now. It can also use Rockchip's TPL, but that's optional, not the default. DDR training code is here

U-boot for Rockchip builds it's own TPL. I'm using it right now. It can also use Rockchip's TPL, but that's optional, not the default. DDR training code is here: https://github.com/u-boot/u-boot/tree/master/drivers/ram/rockchip https://github.com/u-boot/u-boot/tree/master/drivers/ram/roc...