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Subject: RE: CF accesses in PROM
Date: Mon, 24 Sep 2007 10:08:32 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E05B4618E@onstor-exch02.onstor.net>
In-Reply-To: <20070923231155.5ac105d0@ripper.onstor.net>
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Thread-Topic: CF accesses in PROM
Thread-Index: Acf+cc9RLDCVjdy9TgOUVRP1dd5YvwAYf6qQ
References: <BB375AF679D4A34E9CA8DFA650E2B04E05A25BE9@onstor-exch02.onstor.net><20070923111859.4207ba6f@ripper.onstor.net><BB375AF679D4A34E9CA8DFA650E2B04E05A25C6B@onstor-exch02.onstor.net> <20070923231155.5ac105d0@ripper.onstor.net>
From: "Brian Stark" <brian.stark@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

Andy,

Your system is back up and is powered on.  I had a temporary mental
lapse last night and upgraded the Cougar board with a Bobcat PROM image.
Oops.

By the way, you don't have to hit 'b' anymore to boot the system.  It
automatically comes up to a prompt.


Brian


> -----Original Message-----
> From: Andy Sharp=20
> 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=20
> accesses working=20
> > > > in PROM. This confirms that the hardware path to and from
> > > flash is ok and
> > > > also incorporates all the address changes we had to make to=20
> > > > support the CF from a SiByte.
> > > > =20
> > > > We tried getting the CF to be configured as 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 accessing CF,
> > > which is a
> > > > mixture of i/o and memory accesses.  Here's the address 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=09
> > > > 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=09
> > > > 0080.0000	 64KB	 CF Controller Memory	 Socket
> > > > memory accesses (set in ExCA memory 0); 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 at base of 0xf8.0000.0000=09
> > > > 0082.0000	 64KB	 CF Controller Socket B / ExCA
> > > > base	 Socket B memory accesses; ExCA mapped at 0x800
> > > > offset; accessed at base of 0xf8.0000.0000=09
> > > > 1a00.0000	 16MB	 TXRX Shared Memory	 TXRX
> > > > accesses this locally at 0x9000.0000=09
> > > > 1b00.0000	 16MB	 FP Shared Memory	 FP
> > > > accesses this locally at 0x9000.0000=09
> > > > 1f40.0000	 64KB	 BM FPGA	  =09
> > > > 6000.0000	 16MB	 SSC Shared Memory	 SSC
> > > > accesses this locally at 0x8300.0000=09
> > > > =20
> > > > =20
> > > > Andy, let Linux take over and do whatever it likes.  We=20
> know that=20
> > > > accesses to all the above paths work.
> > > > =20
> > > > =20
> > > > Brian
> > > > =20
> > >=20
> > > OK.  I assume you are going to add these changes to my PROM today?
> > >=20
> > > Cheers,
> > >=20
> > > a
> > >=20
>=20
