fdt: Add an option to disable device tree in SPL

[u-boot] / dts / Kconfig

diff --git a/dts/Kconfig b/dts/Kconfig
index ca5bd6fb46626eafb7b0f15d023d243b79783f93..957f5c7ffad2a2ab6637024169f84bfdc6489f75 100644 (file)
--- 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