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Re: Memory-mapped UART terminal

From: Andrei Borzenkov
Subject: Re: Memory-mapped UART terminal
Date: Thu, 9 Oct 2014 12:46:16 +0400

On Tue, Oct 7, 2014 at 12:27 AM, Andrew Wygle
<address@hidden> wrote:
> Hello the list,
> I am bringing up a newer board which does not have its COM ports in the usual 
> I/O ports. As far as I can tell, they are solely memory mapped. I am trying 
> to get GRUB2's serial terminal functionality working with these UARTs, but 
> the --unit flag appears to only look in the 4 standard I/O ports, while the 
> --port flag does not appear to accept a memory address.
> Is what I want to do possible? If so, how can it be done?

This would need someone who can code this and has access to hardware
to test it. Could you at least give specifications of your board?

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