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doc: board: samsung: exynos-mobile: add DEVICE_TREE make flag in build
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 <kauschluss@disroot.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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Minkyu Kang
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@@ -25,12 +25,13 @@ If a cross-compiler is required, install it and set it up like so:
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export CROSS_COMPILE=aarch64-linux-gnu-
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Then, run the following commands to build U-Boot:
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Then, run the following commands to build U-Boot (replace ``<dtb>`` with the
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upstream DTB path for the target device):
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.. prompt:: bash $
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make O=.output exynos-mobile_defconfig
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make O=.output -j$(nproc)
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make DEVICE_TREE=<dtb> O=.output -j$(nproc)
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If successful, the U-Boot binary will be present in ``.output/u-boot.bin``.
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