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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2024 PHYTEC Messtechnik GmbH
* Author: Benjamin Hahn <b.hahn@phytec.de>
*/
/* Logic to load and apply overlays. Load overlays from bootenv.txt into
* environment and apply those overlays.
* The variables bootenv_addr_r and fdtoverlay_addr_r are board specific.
* get_cmd can be either tftp or dhcp. */
bootenv=bootenv.txt
mmc_load_bootenv=load mmc ${mmcdev}:${mmcpart} ${bootenv_addr_r} ${bootenv}
mmc_load_overlay=load mmc ${mmcdev}:${mmcpart} ${fdtoverlay_addr_r} ${overlay}
mmc_apply_overlays=
fdt address ${fdt_addr_r};
if test ${no_overlays} = 0; then
for overlay in ${overlays};
do;
if run mmc_load_overlay; then
fdt resize ${filesize};
fdt apply ${fdtoverlay_addr_r};
fi;
done;
fi;
net_load_bootenv=${get_cmd} ${bootenv_addr_r} ${bootenv}
net_load_overlay=${get_cmd} ${fdtoverlay_addr_r} ${overlay}
net_apply_overlays=
fdt address ${fdt_addr_r};
if test ${no_overlays} = 0; then
for overlay in ${overlays};
do;
if run net_load_overlay; then
fdt resize ${filesize};
fdt apply ${fdtoverlay_addr_r};
fi;
done;
fi;
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