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Tomasz Bursztyka b445e06cad x86: Add an option for legacy IO ports 
Those ports uses different instructions to get accessed: in/out
instructions. It differs in many ways with memory access, and it's much
slower. It's unset by default, but some arch exposing legacy UART ports
might need it.

Change-Id: I06f2a7c7812e720863957bd20d5c2b8b02c10734
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2016-02-05 20:24:19 -05:00
..
arc
arm
x86
Kconfig
Makefile