Re: port-amd64/53738: the bootloader does not accept console inputs in PCEngines APU2

[clare%csel.org@localhost]

On Sat, 24 Nov 2018 16:50:01 +0000 (UTC)
Martin Husemann <martin%duskware.de@localhost> wrote:

> The following reply was made to PR port-amd64/53738; it has been noted by GNATS.
> 
> From: Martin Husemann <martin%duskware.de@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: port-amd64/53738: the bootloader does not accept console inputs
>  in PCEngines APU2
> Date: Sat, 24 Nov 2018 17:48:53 +0100
> 
>  On Sat, Nov 24, 2018 at 04:25:00PM +0000, clare%csel.org@localhost wrote:
>  > >How-To-Repeat:
>  > 	1. get APU2D4 system board from PCEngines.
>  > 	2. get most recent mainline BIOS (firmware) from github
>  > 	   and install to the box.  https://pcengines.github.io/
>  > 	3. installboot -v -o console=com,speed=115200 [device] [bootxx]
>  
>  Not sure what "console=com" will do, but according to the man page
>  it should be console=com0 - and it will use the hardware addresses that
>  the BIOS tells it, so maybe some bios settings are breaking things.
>  
>  If the bios only does serial, it may be worth to try console=pc instead
>  and rely on the bios redirection.

console=com0,speed=115200,ioaddr=0x3f8 does not work for the APU2,
but console=pc does.  The its BIOS does redirection, but the kernel
did not know about serial console.

the APU2 have no video hardware.

using console=pc is acceptable, but detecting serial console is the
kernel's responsibility?


-- 
Shinichi Doyashiki <clare%csel.org@localhost>