Subject: Re: GIO bus probe, testers wanted
To: Matt Dainty <matt@bodgit-n-scarper.com>
From: Ilpo Ruotsalainen <lonewolf@iki.fi>
List: port-sgimips
Date: 12/14/2003 23:49:52
On Sun Dec 14 2003 at 21:34:57 +0000, Matt Dainty wrote:
> > > hpc0 at gio0 addr 0x1fb80000: SGI HPC3
> > > zsc0 at hpc0 offset 0x59830
> > > zstty0 at zsc0 channel 1 (console i/o)
> > > zstty1 at zsc0 channel 0
> > > pckbc at hpc0 offset 0x59840 not configured
> > > sq0 at hpc0 offset 0x54000: SGI Seeq 80c03
> > > sq0: Ethernet address 08:00:69:08:5f:26
> > > wdsc0 at hpc0 offset 0x44000: WD33C93B SCSI, rev=0, target 7
> > > scsibus0 at wdsc0: 8 targets, 8 luns per target
> > > dsclock0 at hpc0 offset 0x60000
> > > haltwo0 at hpc0 offset 0x58000: HAL2 revision 4.1.0
> > > audio0 at haltwo0: half duplex
> > > hpc1 at gio0 addr 0x1fb00000: SGI HPC3
> > 
> > ...but there's something seriously funny going on here, I doubt you have
> > two HPC3s in the machine (I haven't heard of any machine with multiple
> > HPCs ever actually being made).
> 
> On a hunch, I pulled the second ethernet card out, and this hpc1
> and it's children disappeared.
> 
> It's got a big LSI chip on the card that has the label "HPC1.5". Any
> help?

Yes! So it really IS a HPC chip, that explains why it'd show up as one.

I don't think our HPC attach code works properly for second HPC yet
(especially the code that detects the HPC type, it naively assumes all
HPCs seen on Indy are HPC3 which seems not true) but it shouldn't be too
hard to fix...

-- 
Ilpo Ruotsalainen - <lonewolf@iki.fi> - http://www.iki.fi/lonewolf/