add cubieboard serial in the middle

diff --git a/gpio.pl b/gpio.pl
index 5fdc5fe..d25f38d 100755 (executable)
--- a/gpio.pl
+++ b/gpio.pl
@@ -149,6 +149,13 @@ __DATA__
 45     HPL                                     46      PE10 (CSI0-D6)
 47     HPR                                     48      PE11 (CSI0-D7)
 
+## DEBUG serial (middle of board)
+4      PB22 (UART0-TX)
+3      PB23 (UART0-RX)
+2      VCC-3V3
+1      GND
+
+
 # Lamobo R1
 ## CON3 rpi DIP26-254
 1      3.3v                    2       5v