fdt: ARM: Add fdtcontroladdr to set device tree address in environment

[people/ms/u-boot.git] / README

diff --git a/README b/README
index 558f0111ffcaf5672c66e5c846e9c815486c8dd7..a3b62e14dbb0827d0de52ba7ed7f4b73038e22c3 100644 (file)
--- a/README
+++ b/README
@@ -3499,6 +3499,10 @@ List of environment variables (most likely not complete):
                  add the information it needs into it, and the memory
                  must be accessible by the kernel.
 
+  fdtcontroladdr- if set this is the address of the control flattened
+                 device tree used by U-Boot when CONFIG_OF_CONTROL is
+                 defined.
+
   i2cfast      - (PPC405GP|PPC405EP only)
                  if set to 'y' configures Linux I2C driver for fast
                  mode (400kHZ). This environment variable is used in