[Cryptech Tech] Bus (was: Here we go!)

Linus Nordberg linus at nordberg.se
Wed Jan 29 10:40:07 UTC 2014


(Moving to tech at .)

Joachim Strömbergson <joachim at secworks.se> wrote
Wed, 29 Jan 2014 11:00:53 +0100:

| Василий Долматов wrote:
| > What kind of the bus is planned to use? Wishbone? Something else?
| >
| > dol@
| 
| Yes, Wishbone is the suggested bus. Do you have any other suggestion I
| would greatly appreciate it.
| 
| There are technical merits to use one or more of the AMBA buses and
| there are open cores that do use them. But the clear open licensing for
| Wishbone and the prevalence of open cores with Wishbone is for me good
| enough reasons to choose WB even though I think it is somewhat ugly.
| 
| Performance wise, WB should suffice.

Do we still consider using more of a "peer to peer bus architecture" as
discussed briefly in Sthlm-December? For isolation between blocks. Can
we afford doing both?



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