diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/env/phytec/k3_mmc.env | 21 | ||||
| -rw-r--r-- | include/env/phytec/overlays.env | 38 |
2 files changed, 59 insertions, 0 deletions
diff --git a/include/env/phytec/k3_mmc.env b/include/env/phytec/k3_mmc.env new file mode 100644 index 00000000000..3d3595ceb7e --- /dev/null +++ b/include/env/phytec/k3_mmc.env @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2024 PHYTEC Messtechnik GmbH + * Author: Daniel Schultz <d.schultz@phytec.de> + */ + +/* Logic for TI K3 based SoCs to boot from a MMC device. */ + +#include <env/phytec/overlays.env> + +mmcargs=setenv bootargs console=${console} earlycon=${earlycon} + root=/dev/mmcblk${mmcdev}p${mmcroot} rootwait rw +loadimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} Image +loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} ${fdtfile} +mmcboot=run mmcargs; + mmc dev ${mmcdev}; + mmc rescan; + run loadimage; + run loadfdt; + run mmc_apply_overlays; + booti ${loadaddr} - ${fdt_addr_r} diff --git a/include/env/phytec/overlays.env b/include/env/phytec/overlays.env new file mode 100644 index 00000000000..78721cde654 --- /dev/null +++ b/include/env/phytec/overlays.env @@ -0,0 +1,38 @@ +/* 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; |