[U-Boot] BDIxxxx and others...

[ksi at koi8.net]

On Wed, 17 Jun 2009, Wolfgang Denk wrote:

> Dear David Hawkins,
> 
> In message <4A382998.4010300 at ovro.caltech.edu> you wrote:
> > 
> > The USB-TAP has a PowerPC processor in it ... so even if you
> > had to blow away the original firmware, I'm sure it wouldn't
> > be too hard to figure out what code would be required to
> > make the device look like a USB debugger, and then create
> > a set of USB commands to generate JTAG transactions.
> > 
> > I think the main problem is getting the JTAG TAP codes
> > for manipulating JTAG. I've never seen a document relating
> > to that, so they are obviously NDA.
> 
> Right. Implementing some JTAG access routines is not that  difficult.
> Implementing  debug support requires you to sign a NDA which prevents
> you from developing any free software from it.

OK, so it is going to be a door stop :)

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