Merge branch 'master' of git://git.denx.de/u-boot-arm into master

[karo-tx-uboot.git] / README

diff --git a/README b/README
index ff4926040b5dea46117edb7d34a8d798b1c44390..216f0c70aa9403534127dcd256627fa55e12f08e 100644 (file)
--- a/README
+++ b/README
@@ -3470,6 +3470,9 @@ typically in board_init_f() and board_init_r().
 Configuration Settings:
 -----------------------
 
+- CONFIG_SYS_SUPPORT_64BIT_DATA: Defined automatically if compiled as 64-bit.
+               Optionally it can be defined to support 64-bit memory commands.
+
 - CONFIG_SYS_LONGHELP: Defined when you want long help messages included;
                undefine this when you're short of memory.