On Wed, Jan 20, 2010 at 8:22 AM, David Brownell <[email protected]> wrote:
>
> On Tuesday 19 January 2010, Øyvind Harboe wrote:
> > >  - NOR structural issue:  wrongly writing ones, instead of not
> > >   writing anything.  Can corrupt some flashes; for example it
> > >   would modify internal ECC codes.  Some flashes don't seem to
> > >   care about this, but it violates all manufacturer guidelines.
> > >   (Longstanding bug.)
> >
> > Another "bug/feature" is that the LPC driver will update the checksum
> > automatically. This will cause verify_image to fail when writing to LPC
> > flashes.
>
> I can't see anything to do with that beyond documenting it.
>
> If you write *without* enabling that checksum-updating feature,
> it won't boot (as I recall folk complaining).
>
> If you write with it *enabled*, then verify_image fails
>
> Sound right?

Yes, but we still want a way to make "verify work"  eventually :-)

Possibly by adding a fn to the flash driver where by default it
would just verify normally...



--
Øyvind Harboe
US toll free 1-866-980-3434 / International +47 51 63 25 00
http://www.zylin.com/zy1000.html
ARM7 ARM9 ARM11 XScale Cortex
JTAG debugger and flash programmer
_______________________________________________
Openocd-development mailing list
[email protected]
https://lists.berlios.de/mailman/listinfo/openocd-development

Reply via email to