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040000 tree 8f90c7a5061d884ea67eb0adeb2c905678d6fc3c	fpga_control
040000 tree 6fd973e2e2bf82b9ac2fbc5ede67b49485769438	log_backends
040000 tree 82a38bef131ff7cc9e58157e721b61e375d3f781	pin_config
040000 tree 4186d4b898ca896a4dae1c3db49e2a17b0ff340d	spi_flash