[U-Boot-Users] RFC: Xilinx Spartan3 relocation code

Matthias Fuchs matthias.fuchs at esd-electronics.com
Wed Aug 22 08:53:11 CEST 2007


On Tuesday 21 August 2007 21:39, Bruce_Leonard at selinc.com wrote:
> > what kind of bitstream file do you download to your FPGA?
> > A .bit File? In this case we should put the bit mirroring into the
> 
> We've used a .bit file with the loadb command and a .bin file with the 
> load command.  Both work fine as long as we're not bit-swapping in the 
> code because we have the FPGA wired "correctly" to the processor.  
Well, U-Boot's fpga loadb command does bit swapping. And if you want to support .bit
and prom files (e.g. .bin) you need it or you create prom files that are 
already bit swapped.

Matthias




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