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Date: Wed, 14 Mar 2007 17:35:41 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Brian Stark" <brian.stark@onstor.com>
Subject: Re: memory map madness
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On Wed, 14 Mar 2007 16:38:42 -0700 "Brian Stark"
<brian.stark@onstor.com> wrote:

> Andy,

> I see your confusion about how there appears to be a physical address
> conflict between the Marvell and local memory.  Keep in mind that
> after all of the address translation and remapping stages inside the
> PMC, it's possible that different peripherals, such as SysAD and
> local memory, actually show the same physical address.  Since these
> peripherals are isolated from each other, this is ok.  Plus, we don't
> actually use the virtual regions at 20000000 and 30000000 as noted
> above.

Nevermind that previous reply of mine, I was still suffering some
confusion.  Basically, I take it that we aren't using the phys
4000.0000 address for local memory right now, we are using phys 0
thru (1000.0000 - 1) and 2000.0000 thru (3000.0000 - 1) for local
memory, right?

Cheers,

a

> Brian
> 
> 
> > -----Original Message-----
> > From: Andy Sharp 
> > Sent: Wednesday, March 14, 2007 1:18 PM
> > To: Brian Stark
> > Subject: memory map madness
> > 
> > Hi Brian,
> > 
> > I'm apparently having trouble reading the memory map pdf's.
> > 
> > Bobcat\ Memory\ Map\ 3.pdf lists two different things at phys
> > 0x4000.000: 256MB of local memory, and 256MB of Marvell memory.
> > 
> > 
> > Bobcat\ Memory\ Map.pdf lists the marvell memory as starting 
> > at 0x5000.0000
> > 
> > What's the real and true story of the memory map?
> > 
> > Cheers,
> > 
> > a
> > 
