| # |
| # Device Tree Control |
| # |
| # TODO: |
| # This feature is not currently supported for SPL, |
| # but this restriction should be removed in the future. |
| |
| config SUPPORT_OF_CONTROL |
| bool |
| |
| menu "Device Tree Control" |
| depends on !SPL_BUILD |
| depends on SUPPORT_OF_CONTROL |
| |
| config OF_CONTROL |
| bool "Run-time configuration via Device Tree" |
| help |
| This feature provides for run-time configuration of U-Boot |
| via a flattened device tree. |
| |
| choice |
| prompt "Provider of DTB for DT control" |
| depends on OF_CONTROL |
| |
| config OF_SEPARATE |
| bool "Separate DTB for DT control" |
| depends on !SANDBOX |
| help |
| If this option is enabled, the device tree will be built and |
| placed as a separate u-boot.dtb file alongside the U-Boot image. |
| |
| config OF_EMBED |
| bool "Embedded DTB for DT control" |
| help |
| If this option is enabled, the device tree will be picked up and |
| built into the U-Boot image. |
| |
| config OF_HOSTFILE |
| bool "Host filed DTB for DT control" |
| depends on SANDBOX |
| help |
| If this option is enabled, DTB will be read from a file on startup. |
| This is only useful for Sandbox. Use the -d flag to U-Boot to |
| specify the file to read. |
| |
| endchoice |
| |
| config DEFAULT_DEVICE_TREE |
| string "Default Device Tree for DT control" |
| help |
| This option specifies the default Device Tree used for DT control. |
| It can be overridden from the command line: |
| $ make DEVICE_TREE=<device-tree-name> |
| |
| endmenu |