On 02/14/2011 06:09 AM, Eduardo Lloret Fuentes wrote:
> Hello,
> 
> @Nick Foster
> 
>     If your FPGA design doesn't include a Microblaze processor to do
>     something useful with the firmware image, you won't need to load the
>     firmware.
> 
> 
> My FPGA design doesn't include a Microblaze processor so I also think
> that I don't need it. My doubt comes from the boot sequence that I read
> in the USRP2GenFAQ section:
> http://gnuradio.org/redmine/wiki/gnuradio/USRP2GenFAQ#How-does-the-USRP2-boot-How-is-the-FPGA-firmware-loaded
> 
> If I don't have a processor, the second step is not necessary but I
> don't know if the first (loading of FPGA design) is accomplished
> properly. What do you think?

The first step will work fine without the microblaze.  You will need to
make sure you keep triggering the watchdog timer to make sure nothing is
reset.  See the config page of the schematics to see how this works.

Matt

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