[LinuxBIOS] GA-M57SLI

[Carl-Daniel Hailfinger]

On 08.05.2007 22:45, ST wrote:
> Hi Carl-Daniel
>> could someone with a GA-M57SLI please post a lspci -vvvnx to the
>> list, preferably both under LB and factory BIOS? I'm trying to
>> verify some code I wrote.
> Sorry for the delay, but i somehow missed your message.
> 
> Attached to this mail you will find the output of lspci -vvvnx under the 
> original bios version f8 and under linuxbios updated from today (2007-05-08).

Verifying a LB port is very interesting work and leads to lots of
head scratching.

Here is a list of more problems, some really serious.

> -00:06.0 0604: 10de:0370 (rev a2) (prog-if 01 [Subtractive decode])
> +00:06.0 0604: 10de:0370 (rev a2) (prog-if 00 [Normal decode])

Does changed decode mean anything?

> -       Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> +       Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-

SERR- changed to SERR+.

>         Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
>         Latency: 0
> -       Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
> +       Bus: primary=00, secondary=01, subordinate=01, sec-latency=0

sec-latency=32 probably had a reason in the vendor BIOS. Why change?

> -       I/O behind bridge: 00008000-00008fff
> +       I/O behind bridge: 0000f000-00000fff

The LinuxBIOS I/O range is backwards (end before start) and has
a different size. Same for other I/O ranges.

> -       Memory behind bridge: fb000000-fcffffff
> +       Memory behind bridge: fff00000-000fffff

The LinuxBIOS memory range is backwards and has a different size.
Same for other mem ranges.

> -       Prefetchable memory behind bridge: 50000000-500fffff
> +       Prefetchable memory behind bridge: fff00000-000fffff

Same here.

>         Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR-
> -       BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
> +       BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-

Parity- changed to Parity+.

Other devices had the same classes of problems. I'd like to get
an explanation for all of the above to be able to correct some
of the differences.

I have at least one patch for the GA-M57SLI lined up, answering
the above questions will lead to more of them.

Regards,
Carl-Daniel
-- 
http://www.hailfinger.org/