Some boards cannot support device tree due to lack of memory. Add an option to allow these boards to continue to work (and even use driver model). This is a 'negative' option since most boards are expected to support device tree in SPL.
Signed-off-by: Simon Glass sjg@chromium.org ---
dts/Kconfig | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/dts/Kconfig b/dts/Kconfig index ca5bd6f..957f5c7 100644 --- a/dts/Kconfig +++ b/dts/Kconfig @@ -1,9 +1,6 @@ # # 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 @@ -17,6 +14,14 @@ config OF_CONTROL This feature provides for run-time configuration of U-Boot via a flattened device tree.
+config SPL_DISABLE_OF_CONTROL + bool "Disable run-time configuration via Device Tree in SPL" + depends on OF_CONTROL + help + Some boards use device tree in U-Boot but only have 4KB of SRAM + which is not enough to support device tree. Enable this option to + allow such boards to be supported by U-Boot SPL. + choice prompt "Provider of DTB for DT control" depends on OF_CONTROL