Romuald JEANNE f199af810f U-BOOT-STM32MP-EXTLINUX: manage overlay ... To manage overlay device tree on U-Boot via boot.scr script: - add an overlay entry on extlinux.conf without FDT or FDTDIR - create a directory named 'overlays' on boot directory - populate 'overlays' with the device tree overlay - create a file named overlays.txt on overlays directory - syntax of overlays.txt: overlay=aa bb cc dd - aa, bb, cc, dd correspond to a device tree name file (without extension) present on /overlays/ directory /overlays/aa.dtbo /overlays/bb.dtbo /overlays/cc.dtbo /overlays/dd.dtbo Tree of bootfs addons for overlay /overlays/aa.dtbo /overlays/bb.dtbo /overlays/cc.dtbo /overlays/dd.dtbo /overlays/overlays.txt warning: think to add an entry on extlinux.conf without FTDIR or FDTFILE entry Signed-off-by: Christophe Priouzeau <christophe.priouzeau@st.com> Change-Id: I3615d6f03cf874cf3f3c12ea1dd5882bb054542d		2021-03-26 10:37:20 +01:00
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boot.scr.cmd	U-BOOT-STM32MP-EXTLINUX: manage overlay	2021-03-26 10:37:20 +01:00