040000 tree 3c22ae57576828c8dc1395c2aac205fb24f5ee21	bootloader
040000 tree 29a354180721a347ee1a6305dc2e2d4b638f4df3	ota
040000 tree bc0552d084084e6d9171a7418be3d4e7d64dd76d	pw_sys_io
040000 tree 1e0cf9cd5e2a3e90d7250c0836803491076b6552	util