Index: boot/arch/arm32/include/main.h
===================================================================
--- boot/arch/arm32/include/main.h	(revision f9ab5620884e9f2437e4ff904764b61f1b9c6389)
+++ boot/arch/arm32/include/main.h	(revision dff90fa7e34903d718c95861768ff7a236154f80)
@@ -51,4 +51,13 @@
 #define BBXM_THR_FULL           0x00000001
 
+/** Beaglebone UART register addresses
+ *
+ * This is UART0 of AM335x CPU
+ */
+#define BBONE_SCONS_THR         0x44E09000
+#define BBONE_SCONS_SSR         0x44E09044
+
+/** Check this bit before writing (tx fifo full) */
+#define BBONE_TXFIFO_FULL       0x00000001
 
 /** GTA02 serial console UART register addresses.