[OpenBIOS] SS-10 and SS-20

Blue Swirl blauwirbel at gmail.com
Sun Jun 12 23:17:27 CEST 2011

On Mon, Jun 6, 2011 at 6:13 AM, Nathan Kunkee <nkunkee42 at hotmail.com> wrote:
>  On 05/26/11 01:58 PM, Blue Swirl wrote:
>> On Wed, May 25, 2011 at 12:25 AM, Brian Vandenberg<phantall at gmail.com>
>>  wrote:
>>>  I'm curious whether support exists for sparcstation's 10&  20 yet.
>>> Any comments?
>> OpenBIOS can be used as the BIOS for QEMU and for this combination,
>> SS-10 and SS-20 work pretty well.
>> If instead you'd like to use OpenBIOS as a replacement for the OBP,
>> then this is not supported. It would be possible to replace QEMU
>> specific parts (for example fw_cfg) with bare metal versions, but so
>> far nobody has been interested enough to start hacking. Being able to
>> run on real HW would certainly improve the level of realism, for
>> example SBus probing is not implemented.
> Am I missing something, or do the QEMU SS-10 and SS-20 not have the CS4231
> wired up as a serial console?

I don't think real SS-10/20 used CS4231 (Crystal semi audio) either,
that was only on SS-5. Maybe you are thinking of the AMD
serial/audio/ISDN chip, DBRI? That one is not implemented. The console
uses Zilog serial.

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