/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2024 PHYTEC Messtechnik GmbH * Author: Benjamin Hahn */ /* 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;