[SeaBIOS] Serial keyboard support?

[Kevin O'Connor]

On Thu, Feb 25, 2016 at 10:02:34AM -0800, Dustin Brazeau wrote:
> As far as I can tell SeaBIOS does not currently support keyboard input over
> serial. I was wondering if there is an unofficial patch that could add
> support for this before I start looking into implementing it myself. Thanks.

For traditional serial ports, sgabios generally fills that role.  See
the SeaBIOS coreboot wiki for info on sgabios:

http://www.coreboot.org/SeaBIOS#Adding_sgabios_support

-Kevin