[ECOS] Spansion Flash Chips Type N/M

Manfred Gruber m.gruber@tirol.com
Mon Jan 29 10:28:00 GMT 2007


Am Samstag, 27. Januar 2007 14:22 schrieb Andrew Lunn:
> On Mon, Nov 06, 2006 at 08:05:01PM +0100, Manfred Gruber wrote:
> > Hi !
> >
> > I am using Spansion Flash SG29GLXXXM types with Flash V2 branche on
> > redboot for a while now. At changing to the N Type (has other sector size
> > 0x20000, M has 0x10000) of this flashes, I found some problems with the
> > bit-toggle algorithms. Can someone verify if this patch for FLASH V2
> > branche can go up to cvs, or mybe it helps someone with spansion flashes?
> > The code is from the spansion homepage.
> >
> > The biggest problems i found were when 2 Flash Chips with 16 bit bus are
> > on a 32 bit databus. Maybe someone can test the patch on AM29XXX chips
> > how it works?
>
> This is an old email requesting some volunteers for testing.
>
> Has anybody used this patch? Does it work O.K.

Hi Andrew !

I use it now for a while, not in production systems but now for a while in my 
development bootloader. 

We use SGL128/256 and 512 M chips and it looks that it works on them correct.
But I would think someone else should test it in/on a other environment/board 
as well...

Regards manfred

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