[Cryptech Tech] dev-bridge board
Paul Selkirk
paul at psgd.org
Tue Nov 17 16:34:42 UTC 2015
On 11/17/2015 09:06 AM, Pavel Shatov wrote:
> Well, my original idea behind moving IBUFGDS into DCM module was to keep
> all Xilinx-specific stuff in one place. Some time ago we had a
> discussion on the list regarding vendor-specific stuff. As far as I
> remember, we came to a conclusion, that we should try to avoid using
> vendor-specific features when possible, and when we have to use
> vendor-specific primitives, we should place then in separate "wrapper"
> modules and clearly document that. That's why I decided, that it would
> be better to move IBUFGDS into the module, where there are DCM_SP and
> BUFG already.
Okay, that's reasonable, and easy enough to do.
In fairness, everything under platform/novena is necessarily vendor- and
board-specific. And there's also a BUFG in the top-level, for the
EIM/FMC bus clock. But that's no reason not to consolidate the
vendor-specific stuff as much as possible.
paul
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