Anyone ?

2009/6/10 Tiago Rogério Mück <[email protected]>

> Hi all,
>
> I'm working on some experiments using the USRP2, and the 32 Kb available
> for the firmware won't be enough for my experiments. I'll need to modify the
> FPGA code so I can use the 1 MB SRAM for both instructions and data for the
> aeMB, but I'm a bit lost on how I can do this modifications.
>
> I looked the code and came to some conclusions about what needs to be done:
>
> 1 - Change the memory map
>          - Change the RAM space to 0 - 1 MB
>          - Update the mapping of the buffer poll and the peripherals
>
> 2 - Change the logic inside the sys_ram block to forward access to
> addresses beyond 32 K to the external SRAM
>
> 3 - Change the ram_loader parameters so it can load the entire firmware.
>
> Could someone tell me if I'm going to the right direction? I will be very
> grateful for any hint you can give me.
>
> Thanks
>
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