On Wed, Jan 22, 2025 at 04:38:16PM +0100, Quentin Schulz wrote: > So essentially, if SPL_ATF_NO_PLATFORM_PARAM is selected (the default for > RK356x, RK3588, forced on on RK3308, enabled for the majority of RK3399 > boards, enabled for all RK3328 boards) the DT won't be passed to TF-A so no > issue in terms of size on that side. > If it is not selected, for TF-A < 2.4 (released 20201117, 4 years ago), a > DTB bigger than 64KiB will crash TF-A. > If it is not selected, for TF-A >= 2.4, a DTB bigger than 128KiB will result > in TF-A not being able to read the DTB (for Rockchip, that means not being > able to derive the UART settings (controller and baudrate) to use, and will > use the compile-time default instead). Not everyone is using binary blobs from Rockchip. On my rock5b (rk3588), I'm building the bootloader using buildroot, which is using upstream TrustedFirmware-A (v2.12). > In short, I don't know where to go with that additional piece of > information, but this is a bit bigger than simply moving things around and > adding compile-time tests for overlay application. This is significant information indeed. Kind regards, Niklas
