[U-Boot-Users] RFC: Some improvements for the FPGA subsystem

w.wegner at astro-kom.de w.wegner at astro-kom.de
Wed Dec 12 11:44:04 CET 2007


Hi Matthias,

On 11 Dec 2007 at 18:00, Matthias Fuchs wrote:

> 
> The new fwr callback makes sense to me. I agree that using the callbacks for every signal
> change might be very slow. I used the the slave parallel code to load an fpga in slave serial
> mode some time before. This reduces the callbacks a lot and booting was about 4 times faster.
> I used the byte write callback to shift out 8 bits in this case.
> 
> I hope that my FPGA patches will get it into U-Boot when the next merge windows opens.
> Perhaps you can provide a patch on top of that afterwards.

I will try to, as meanwhile my U-Boot environment settled down a bit, this should
not be too much work.

Would such a "selective patch" like the last one be OK, then I do not have to investigate
why I get all the empty diff lines from the new tree...?

> Matthias

Regards,
Wolfgang





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