memo: UART register dump (OpenBSD) on AllwinnerH6

com0 at simplebus0: ns16550, no working fifo
com0(6): 0d 00 c1 03 03 20 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 07
 00 00 00 00 00 00 00 00 00 00 00 00 0d 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
com0(7): 00 00 01 03 03 60 00 00 00 00 00 00 00 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06
 00 00 00 00 00 00 00 00 00 00 00 00 0d 00 00 00
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
com0: console