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From: Marcel Moolenaar <xcllnt@mac.com>
To: Boris Samorodov <bsam@ipt.ru>
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Date: Thu, 11 Dec 2008 10:29:37 -0800
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Cc: freebsd-current@FreeBSD.org, rea-fbsd@codelabs.ru
Subject: Re: Timeda 8-multiport adapter: only 2 ports available
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On Dec 11, 2008, at 10:00 AM, Boris Samorodov wrote:

> Marcel Moolenaar <xcllnt@mac.com> writes:
>
>> Summary:
>>
>> port 1: IO=0xec00; IIR=0x1, 0xc1; MCR=0x0, 0x8
>> port 2: IO=0xec08; IIR=0x1, 0xc1; MCR=0x0, 0x8
>> port 3: IO=0xe880; IIR=0x1; MCR=0x40
>> port 4: IO=0xe888; IIR=0x1; MCR=0x40
>> port 5: IO=0xe800; IIR=0x1; MCR=0x40
>> port 6: IO=0xe480; IIR=0x1; MCR=0x40
>> port 7: IO=0xe400; IIR=0x1; MCR=0x40
>> port 8: IO=0xe080; IIR=0x1; MCR=0x40
>>
>> For ports 3-8, the MCR has a value that's not liked by
>> uart(4). I think we need to know what that value means.
>> Are the ports disabled? Are they in a non-standard
>> mode? Is it just a non-standard status bit that's set
>> and we should ignore it? etc...
>>
>> Boris: can you apply the following patch and see if
>> uart(4) attaches to all ports? If yes, can you see
>> if those ports actually work as well?
>
> All ports were attached. But ports 3-8 don't work as axpected.
> I see garbage when connecting via those ports.

Ok, so it's more than just a non-standard status bit that
can be ignored :-/

Unfortunately, I don't have any of their hardware, nor any
documentation...

-- 
Marcel Moolenaar
xcllnt@mac.com