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FW: Strataflash mapping problem

Aren't Mondays great!  Anyway, I think I'll try to include the patch this
time :-)


-----Original Message-----
From: Doyle, Patrick [] 
Sent: Friday, February 20, 2004 9:42 AM
To: 'Gary Thomas'
Cc: 'Jani Monoses'; ''
Subject: RE: Strataflash mapping problem

Hi Gary,
Sorry to take so long -- my linux box crashed a few weeks ago and I just
haven't had the time/need to recover stuff archived to CD-ROM.  Fortunately,
you have given me the tweak I needed to get my eCos stuff back online.
(Although, I find I now need to recompile the toolchain so that it is based
on whatever version of glibc Debian "woody" uses instead of whatever version
RH9 used... Sigh).

Anyway, here is the patch.  We have been using it here with both Intel and
Micron chips that implement CFI.  Note that my version of the patch doesn't
include the check for the STMicro device code that was recently committed.
Without having access to STMicro devices, I don't know if that is a good
thing or a bad thing.  But, if they implement CFI, then it shouldn't be

Please let me know what you think.


> -----Original Message-----
> From: Gary Thomas []
> Sent: Tuesday, February 17, 2004 9:34 AM
> To: Doyle, Patrick
> Cc: 'Jani Monoses'; ''
> Subject: RE: Strataflash mapping problem
> On Tue, 2004-02-17 at 07:28, Doyle, Patrick wrote:
> > And besides... I moved on to playing with FPGA's before
> anybody ever
> > got back to me with questions, comments and snide remarks :-)
> > 
> > Seriously, except for a small comment from Jani, I never heard back
> > from anybody on this, and have been distracted by another project 
> > since then. It's on my list to get back to this, but we've 
> been using
> > the "jumbo" patch here ever since I posted it last October.
> > 
> If you'll send what you're using now, I promise to at least
> give it a look :-)
> > --wpd
> > 
> > 
> > > -----Original Message-----
> > > From: Jani Monoses []
> > > Sent: Tuesday, February 17, 2004 9:27 AM
> > > To:
> > > Subject: Re: Strataflash mapping problem
> > > 
> > > 
> > > > 
> > > > IIRC, the 28Fxxx driver is somewhat newer and has better device 
> > > > support. If changes are to be made, it would be best to put
> > > them into
> > > > this driver.
> > > 
> > > Gary, you used to say that strata is newer and changes should be 
> > > made there instead of 28FXXX :) FWIW Patrick Doyle had a 
> > > jumbo-patch which made strata CFI aware and added device in series 
> > > support too, but was probably not reviewed because of its size and 
> > > the fact that it moved a lot of existing code too making it hard 
> > > to read.
> > > 
> --
> Gary Thomas <>
> MLB Associates

Patrick Doyle
DSP Design Engineer
(603) 546-2179


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