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-rw-r--r--README9
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diff --git a/README b/README
index a9c052c059..6cc7405512 100644
--- a/README
+++ b/README
@@ -2128,6 +2128,15 @@ Low Level (hardware related) configuration options:
This only takes effect if the memory commands are activated
globally (CFG_CMD_MEM).
+- CONFIG_INIT_CRITICAL
+ [ARM only] If this variable is NOT defined, then
+ certain critical initializations (like setting up the
+ memory controller) are omitted. Normally this
+ variable MUST be defined for all boards. The only
+ exception is when U-Boot is loaded (to RAM) by some
+ other boot loader or by a debugger which performs
+ these intializations itself.
+
Building the Software:
======================