projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 783e6a72 MY |
1 | # |
| 2 | # Device Tree Control | |
| 3 | # | |
| 4 | # TODO: | |
| 5 | # This feature is not currently supported for SPL, | |
| 6 | # but this restriction should be removed in the future. | |
| 7 | ||
| 8 | config SUPPORT_OF_CONTROL | |
| 9 | bool | |
| 10 | ||
| 11 | menu "Device Tree Control" | |
| 783e6a72 MY |
12 | depends on SUPPORT_OF_CONTROL |
| 13 | ||
| 14 | config OF_CONTROL | |
| 15 | bool "Run-time configuration via Device Tree" | |
| 16 | help | |
| 17 | This feature provides for run-time configuration of U-Boot | |
| 18 | via a flattened device tree. | |
| 19 | ||
| 20 | choice | |
| 21 | prompt "Provider of DTB for DT control" | |
| 22 | depends on OF_CONTROL | |
| 23 | ||
| 24 | config OF_SEPARATE | |
| 25 | bool "Separate DTB for DT control" | |
| 26 | depends on !SANDBOX | |
| 27 | help | |
| 28 | If this option is enabled, the device tree will be built and | |
| 29 | placed as a separate u-boot.dtb file alongside the U-Boot image. | |
| 30 | ||
| 31 | config OF_EMBED | |
| 32 | bool "Embedded DTB for DT control" | |
| 33 | help | |
| 34 | If this option is enabled, the device tree will be picked up and | |
| 35 | built into the U-Boot image. | |
| 36 | ||
| 37 | config OF_HOSTFILE | |
| 38 | bool "Host filed DTB for DT control" | |
| 39 | depends on SANDBOX | |
| 40 | help | |
| 41 | If this option is enabled, DTB will be read from a file on startup. | |
| 42 | This is only useful for Sandbox. Use the -d flag to U-Boot to | |
| 43 | specify the file to read. | |
| 44 | ||
| 45 | endchoice | |
| 46 | ||
| f1ef2b62 MY |
47 | config DEFAULT_DEVICE_TREE |
| 48 | string "Default Device Tree for DT control" | |
| 49 | help | |
| 50 | This option specifies the default Device Tree used for DT control. | |
| 5699ea6d | 51 | It can be overridden from the command line: |
| f1ef2b62 MY |
52 | $ make DEVICE_TREE=<device-tree-name> |
| 53 | ||
| 783e6a72 | 54 | endmenu |