| Message ID | 20240703054202.2812540-2-d.schultz@phytec.de |
|---|---|
| State | Superseded |
| Delegated to: | Tom Rini |
| Headers | show |
| Series | Generalize PHYTEC Overlay Handling | expand |
Am Dienstag, dem 02.07.2024 um 22:41 -0700 schrieb Daniel Schultz: > From: Benjamin Hahn <B.Hahn@phytec.de> > > The env scripts for loading and applying overlays are identical for > many > PHYTEC Boards. Create a common env that can be included. > > The env variables bootenv_addr and fdto_addr are board specific and > need > to be set in the board specific file. The env variable get_cmd also > needs to be set in board specific files and can be set to tftp or > dhcp. > > Signed-off-by: Benjamin Hahn <B.Hahn@phytec.de> > Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Reviewed-by: Teresa Remmet <t.remmet@phytec.de> > --- > include/env/phytec/overlays.env | 37 > +++++++++++++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 include/env/phytec/overlays.env > > diff --git a/include/env/phytec/overlays.env > b/include/env/phytec/overlays.env > new file mode 100644 > index 00000000000..febb991f4f5 > --- /dev/null > +++ b/include/env/phytec/overlays.env > @@ -0,0 +1,37 @@ > +/* 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 and fdto_addr are board specific. */ > + > +bootenv=bootenv.txt > +mmc_load_bootenv=load mmc ${mmcdev}:${mmcpart} ${bootenv_addr} > ${bootenv} > +mmc_load_overlay=load mmc ${mmcdev}:${mmcpart} ${fdto_addr} > ${overlay} > +mmc_apply_overlays= > + fdt address ${fdt_addr}; > + if test ${no_overlays} = 0; then > + for overlay in ${overlays}; > + do; > + if run mmc_load_overlay; then > + fdt resize ${filesize}; > + fdt apply ${fdto_addr}; > + fi; > + done; > + fi; > +net_load_bootenv=${get_cmd} ${bootenv_addr} ${bootenv} > +net_load_overlay=${get_cmd} ${fdto_addr} ${overlay} > +net_apply_overlays= > + fdt address ${fdt_addr}; > + if test ${no_overlays} = 0; then > + for overlay in ${overlays}; > + do; > + if run net_load_overlay; then > + fdt resize ${filesize}; > + fdt apply ${fdto_addr}; > + fi; > + done; > + fi;
diff --git a/include/env/phytec/overlays.env b/include/env/phytec/overlays.env new file mode 100644 index 00000000000..febb991f4f5 --- /dev/null +++ b/include/env/phytec/overlays.env @@ -0,0 +1,37 @@ +/* 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 and fdto_addr are board specific. */ + +bootenv=bootenv.txt +mmc_load_bootenv=load mmc ${mmcdev}:${mmcpart} ${bootenv_addr} ${bootenv} +mmc_load_overlay=load mmc ${mmcdev}:${mmcpart} ${fdto_addr} ${overlay} +mmc_apply_overlays= + fdt address ${fdt_addr}; + if test ${no_overlays} = 0; then + for overlay in ${overlays}; + do; + if run mmc_load_overlay; then + fdt resize ${filesize}; + fdt apply ${fdto_addr}; + fi; + done; + fi; +net_load_bootenv=${get_cmd} ${bootenv_addr} ${bootenv} +net_load_overlay=${get_cmd} ${fdto_addr} ${overlay} +net_apply_overlays= + fdt address ${fdt_addr}; + if test ${no_overlays} = 0; then + for overlay in ${overlays}; + do; + if run net_load_overlay; then + fdt resize ${filesize}; + fdt apply ${fdto_addr}; + fi; + done; + fi;