=> help fdt
fdt addr <addr> [<length>] - Set the fdt location to <addr>
fdt boardsetup - Do board-specific set up
fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active
fdt print <path> [<prop>] - Recursive print starting at <path>
fdt list <path> [<prop>] - Print one level starting at <path>
fdt set <path> <prop> [<val>] - Set <property> [to <val>]
fdt mknode <path> <node> - Create a new node after <path>
fdt rm <path> [<prop>] - Delete the node or <property>
fdt header - Display header info
fdt bootcpu <id> - Set boot cpuid
fdt memory <addr> <size> - Add/Update memory node
fdt rsvmem print - Show current mem reserves
fdt rsvmem add <addr> <size> - Add a mem reserve
fdt rsvmem delete <index> - Delete a mem reserves
fdt chosen - Add/update the /chosen branch in the tree
NOTE: If the path or property you are setting/printing has a '#' character
or spaces, you MUST escape it with a \ character or quote it with ".
=>
