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Subject: RE: status of 1GHz orphaned mobo?
Date: Mon, 26 Feb 2007 14:37:49 -0700
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E029517EA@onstor-exch02.onstor.net>
In-Reply-To: <20070222170247.585338bb@ripper.onstor.net>
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Thread-Topic: status of 1GHz orphaned mobo?
Thread-Index: AcdW5lUj4IvQNfSZSgCj5fxwKw4zgQAAhD0A
References: <20070220105315.09542934@ripper.onstor.net><BB375AF679D4A34E9CA8DFA650E2B04E028B75A2@onstor-exch02.onstor.net> <20070222170247.585338bb@ripper.onstor.net>
From: "Brian Stark" <brian.stark@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

Andy,

Update on the 1GHz motherboard -- the SSC doesn't boot at all because of
constant ECC errors when accessing the PMC memory.  Alas, without this
memory working, the board is basically dead.  I've done some basic
debugging to see if I can find out why memory fails, but I haven't found
anything.

By the way, if you want to get ahold of a Bobcat with 1GHz PMC parts, we
need to find a Bobcat 2240/60 that is Rev A2 or earlier.  Some of the
later revisions still incorrectly show the 1GHz label, so the board rev
is needed to figure out if the PMC parts are 1GHz or 800MHz.  Also, the
Bobcat 2280 and RoHS motherboards populate 800MHz parts, so we can't use
one of those.


Brian



> -----Original Message-----
> From: Andy Sharp=20
> Sent: Thursday, February 22, 2007 5:03 PM
> To: Brian Stark
> Subject: Re: status of 1GHz orphaned mobo?
>=20
> Hi Brian,
>=20
> Any chance you've got the user manual or whatever for the PMC=20
> Sierra Yosemite eval board?  Might help me a bit.  It seems I=20
> have some code to write for the Marvell/PCI/etc.  Yuck.  I've=20
> got some code for a marvell part, but I need to do some=20
> translating.  For instance:
>=20
> When DMA'ing through the marvell part, is that not coherent=20
> with the cache on the rm9k?
>=20
> Any news on that trash-tastic mobo of mine?  While you're in=20
> there changing the serial init stream, make sure you=20
> configure the rm9k to run in MP mode rather than standalone=20
> mode.  Heh.
>=20
> Cheers,
>=20
> a
>=20
>=20
> On Wed, 21 Feb 2007 09:56:22 -0800 "Brian Stark"
> <brian.stark@onstor.com> wrote:
>=20
> > Andy,
> >=20
> > It turns out that Abdallah is on vacation this week, but I=20
> was able to=20
> > find the motherboard in the lab yesterday.  I brought it with me to=20
> > Pleasanton and will take a look at it.  I was able to find=20
> some status=20
> > on the board, and I'm not too hopeful that the entire board is=20
> > working. I'll see if the SSC section is alive and well.  I=20
> also need=20
> > to make the change to the FPGA serial init stream to allow 1GHz=20
> > operation, which hopefully won't be too bad.
> >=20
> > Brian
> >=20
> >=20
> >=20
> > > -----Original Message-----
> > > From: Andy Sharp
> > > Sent: Tuesday, February 20, 2007 10:53 AM
> > > To: Brian Stark
> > > Subject: status of 1GHz orphaned mobo?
> > >=20
> > > Hi Brian,
> > >=20
> > > Just pinging you on the status of that 1GHz mobo that I=20
> brought to=20
> > > Abdallah.  Have you been able to look it up yet?
> > > From Abdallah's original email on the subject, it is a=20
> Rev. 4 not a=20
> > > rev. 1, so that's a step in the right direction, yah?
> > >=20
> > > Cheers,
> > >=20
> > > a
> > >=20
>=20
