U-Boot fail to start

[darkdrgn2k]

Twice now U-Boot failed to start on boot simply stalling like so

U-Boot 1.1.4 (Apr 19 2014 - 00:17:22)

ap135 - Scorpion 1.0DRAM:
sri
Scorpion 1.0
ath_ddr_initial_config(233): (32bit) ddr1 init
tap = 0x00000002
Tap (low, high) = (0x4, 0x1e)
Tap values = (0x11, 0x11, 0x11, 0x11)
 4 MB
Top of RAM usable for U-Boot at: 80400000
Reserving 207k for U-Boot at: 803cc000
Reserving 192k for malloc() at: 8039c000
Reserving 44 Bytes for Board Info at: 8039bfd4
Reserving 36 Bytes for Global Data at: 8039bfb0
Reserving 128k for boot params() at: 8037bfb0
Stack Pointer at: 8037bf98

Yesturday when this happen it magically stopped happening and the board returned to normal U-Boot operations

But it happend again today.

[darkdrgn2k]

Seems the issue is only when the serial port is connected to the board during initial power on.