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Subject: RE: CF accesses in PROM
Date: Tue, 25 Sep 2007 10:41:01 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E05B4687B@onstor-exch02.onstor.net>
In-Reply-To: <20070925112840.0070c839@ripper.onstor.net>
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Thread-Topic: CF accesses in PROM
Thread-Index: Acf/oeVNYnBpKyjBSw2W9Jq0SBOZsAAAZDww
References: <BB375AF679D4A34E9CA8DFA650E2B04E05A25BE9@onstor-exch02.onstor.net><20070923111859.4207ba6f@ripper.onstor.net><BB375AF679D4A34E9CA8DFA650E2B04E05A25C6B@onstor-exch02.onstor.net><20070923231155.5ac105d0@ripper.onstor.net><BB375AF679D4A34E9CA8DFA650E2B04E05B4618E@onstor-exch02.onstor.net><20070925104905.616d2597@ripper.onstor.net><BB375AF679D4A34E9CA8DFA650E2B04E05B4680F@onstor-exch02.onstor.net> <20070925112840.0070c839@ripper.onstor.net>
From: "Brian Stark" <brian.stark@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

FYI...

Transfers from 10.1.1.189 to Cougar motherboards look ok, so it must be
the link between the sites.
=20

> -----Original Message-----
> From: Andy Sharp=20
> Sent: Tuesday, September 25, 2007 11:29 AM
> To: Brian Stark
> Subject: Re: CF accesses in PROM
>=20
> Tried this one, it's also loading at about 1KB/second. =20
> Something is hosed with the network.  Does Kevin know?
>=20
> On Tue, 25 Sep 2007 11:06:22 -0700 "Brian Stark"
> <brian.stark@onstor.com> wrote:
>=20
> > Try another Cougar that has an older PROM with no CF=20
> support yet.  You=20
> > still need to hit 'b' with this board:
> >=20
> > SSC 10.1.1.100 2015
> > Power 10.1.1.102 port .a3
> >=20
> > We were having some networking issues earlier today, so=20
> maybe that's=20
> > what you were seeing.  Let me know how it looks.
> >=20
> >=20
> > Brian
> >=20
> >=20
> > > -----Original Message-----
> > > From: Andy Sharp
> > > Sent: Tuesday, September 25, 2007 10:49 AM
> > > To: Brian Stark
> > > Subject: Re: CF accesses in PROM
> > >=20
> > > Hmm. I may not have to hit 'b' anymore, but I can't load a kernel=20
> > > either.  The load command just keeps spinning its spinner=20
> and never=20
> > > completes.  Also, I don't notice any appreciable network=20
> I/O to the=20
> > > tftp server either.  It might just be a few bytes per second, but=20
> > > not the previous 100KB/s or so.
> > >=20
> > >=20
> > > On Mon, 24 Sep 2007 11:08:32 -0700 "Brian Stark"
> > > <brian.stark@onstor.com> wrote:
> > >=20
> > > > Andy,
> > > >=20
> > > > Your system is back up and is powered on.  I had a temporary=20
> > > > mental lapse last night and upgraded the Cougar board with a=20
> > > > Bobcat PROM image. Oops.
> > > >=20
> > > > By the way, you don't have to hit 'b' anymore to boot the
> > > system.  It
> > > > automatically comes up to a prompt.
> > > >=20
> > > >=20
> > > > Brian
> > > >=20
> > > >=20
> > > > > -----Original Message-----
> > > > > From: Andy Sharp
> > > > > Sent: Sunday, September 23, 2007 11:12 PM
> > > > > To: Brian Stark
> > > > > Subject: Re: CF accesses in PROM
> > > > >=20
> > > > > That's OK, I'll wait until tomorrow.
> > > > >=20
> > > > > On Sun, 23 Sep 2007 21:06:03 -0700 "Brian Stark"
> > > > > <brian.stark@onstor.com> wrote:
> > > > >=20
> > > > > > If you want to use a system tonight, you can use mine:
> > > > > >=20
> > > > > > SSC 10.1.1.100 2001
> > > > > > Power 10.1.1.141 port .a3
> > > > > >=20
> > > > > >=20
> > > > > > =20
> > > > > >=20
> > > > > > > -----Original Message-----
> > > > > > > From: Andy Sharp
> > > > > > > Sent: Sunday, September 23, 2007 11:19 AM
> > > > > > > To: Brian Stark
> > > > > > > Cc: dl-Cougar
> > > > > > > Subject: Re: CF accesses in PROM
> > > > > > >=20
> > > > > > > On Sun, 23 Sep 2007 11:15:55 -0700 "Brian Stark"
> > > > > > > <brian.stark@onstor.com> wrote:
> > > > > > >=20
> > > > > > > > Just wanted to let you know that we now have CF
> > > > > accesses working
> > > > > > > > in PROM. This confirms that the hardware path=20
> to and from
> > > > > > > flash is ok and
> > > > > > > > also incorporates all the address changes we=20
> had to make=20
> > > > > > > > to support the CF from a SiByte.
> > > > > > > > =20
> > > > > > > > We tried getting the CF to be configured as=20
> memory instead
> > > > > > > of i/o, but
> > > > > > > > we hit some roadblocks with this.  For now, we are
> > > > > > > supporting the same
> > > > > > > > scheme that we've used before on Bobcat when=20
> accessing CF,
> > > > > > > which is a
> > > > > > > > mixture of i/o and memory accesses.  Here's the address=20
> > > > > > > > map
> > > > > > > that we're
> > > > > > > > using on PCI in PROM:
> > > > > > > > =20
> > > > > > > > =20
> > > > > > > > Physical Address	 Size	 Function
> > > > > > > > Notes 0000.0400	 256	 CF Controller I/O
> > > > > > > > socket A Accessed at base of 0xdc000000; set in ExCA i/o
> > > > > > > > 0 0000.0800	 256	 CF Controller I/O socket B
> > > > > > > > Accessed at base of 0xdc000000; set in ExCA i/o 0=09
> > > > > > > > 0001.0000	 64KB	 CF Controller I/O ExCA
> > > > > > > > Accessed at base of 0xdc000000; uses base/index
> > > > > > > > scheme 0080.0000	 64KB	 CF Controller Memory
> > > > > > > > Socket memory accesses (set in ExCA memory 0);=20
> accessed at
> > > > > > > > base of 0xf8.0000.0000 0081.0000	 64KB	 CF
> > > > > > > > Controller Socket A / ExCA base	 Socket A memory
> > > > > > > > accesses; ExCA mapped at 0x800 offset; accessed=20
> at base of
> > > > > > > > 0xf8.0000.0000 0082.0000	 64KB	 CF
> > > > > > > > Controller Socket B / ExCA base	 Socket B memory
> > > > > > > > accesses; ExCA mapped at 0x800 offset; accessed=20
> at base of
> > > > > > > > 0xf8.0000.0000 1a00.0000	 16MB	 TXRX Shared
> > > > > > > > Memory	 TXRX accesses this locally at
> > > > > > > > 0x9000.0000 1b00.0000	 16MB	 FP Shared
> > > > > > > > Memory	 FP accesses this locally at
> > > > > > > > 0x9000.0000 1f40.0000	 64KB	 BM
> > > > > > > > FPGA 6000.0000	 16MB	 SSC Shared
> > > > > > > > Memory	 SSC accesses this locally at
> > > > > > > > 0x8300.0000
> > > > > > > > =20
> > > > > > > > Andy, let Linux take over and do whatever it likes.  We
> > > > > know that
> > > > > > > > accesses to all the above paths work.
> > > > > > > > =20
> > > > > > > > =20
> > > > > > > > Brian
> > > > > > > > =20
> > > > > > >=20
> > > > > > > OK.  I assume you are going to add these changes=20
> to my PROM=20
> > > > > > > today?
> > > > > > >=20
> > > > > > > Cheers,
> > > > > > >=20
> > > > > > > a
> > > > > > >=20
> > > > >=20
> > >=20
>=20
