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Before now, U-Boot SPL could only load the Platform Management Unit (PMU) by patching the board-specific pm_cfg_obj.c file into the generic PMU firmware, but that then requires generating a new PMU firmware for every board configuration. To fix that, Luca Ceresoli added support to U-Boot to load the pm_cfg_obj[1]. Like the PMU firmware, we need a way to pass the PMU cfg to U-Boot during build. U-Boot only accepts the binary format of the cfg, so we must convert the source file with the tool provided with U-Boot. [1] https://lucaceresoli.net/zynqmp-uboot-spl-pmufw-cfg-load/ Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>