Since there is only one internal device tree allowed in U-Boot, the DEVICE_TREE flag is required for building images for various devices. Document it in the build guide.
Signed-off-by: Kaustabh Chakraborty <[email protected]> --- doc/board/samsung/exynos-mobile.rst | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/board/samsung/exynos-mobile.rst b/doc/board/samsung/exynos-mobile.rst index 37718af1fea..d0173b1f8cb 100644 --- a/doc/board/samsung/exynos-mobile.rst +++ b/doc/board/samsung/exynos-mobile.rst @@ -25,12 +25,13 @@ If a cross-compiler is required, install it and set it up like so: export CROSS_COMPILE=aarch64-linux-gnu- -Then, run the following commands to build U-Boot: +Then, run the following commands to build U-Boot (replace ``<dtb>`` with the +upstream DTB path for the target device): .. prompt:: bash $ make O=.output exynos-mobile_defconfig - make O=.output -j$(nproc) + make DEVICE_TREE=<dtb> O=.output -j$(nproc) If successful, the U-Boot binary will be present in ``.output/u-boot.bin``. -- 2.52.0
