[Libre-silicon-devel] Reminder - next Mumble Session on July 8, 2018 21.00 HKT

Mohammad Amin Nili manili.devteam at gmail.com
Mon Jul 9 17:40:13 CEST 2018


Hello David,

Would you mind make a brief comparison between AXI4/AMBA and Wishbone? I’m wondering to know about the most important achievements if we use AMBA rather than Wishbone.

Best regards,
Manili

> On Jul 9, 2018, at 8:03 PM, David Lanzendörfer <david.lanzendoerfer at o2s.ch> wrote:
> 
> Hi
> The question isn't whether it's royalty free or not.
> The question is rather, whether ARM can sue us for breaking the law by using 
> the AXI4 bus inside our ASICs, which we might also sell to customers the US 
> government doesn't like. Or plain: Is it free or is it unfree?
> Can we use it without patent issues?
> Does ARM still require us to get a license from them in order to use it?
> If yes we might be in quiet a bit of a trouble here, because we can't 
> guarantee to fulfill the standard clauses in US export agreements.
> We need someone to check before we start developing and selling products based 
> on this interface.
> Not that I worry too much about possible sanctions from the US because we 
> still have access to the whole Chinese market.
> And no one at the border will be able to check, whether these manufacturers 
> from Shenzhen have soldered our chips onto their PCBs or not.
> But ironically my partners from China worry about avoiding legal issues with 
> the united states.
> 
> Cheers
> 	David
> 
> On Monday, 9 July 2018 10:21:07 PM HKT Staf Verhaegen wrote:
>> Although I do think Wishbone should be preferred bus I would like to know if
>> you any reference backing up your statement about AMBA bus ? On wiki page
>> it is said that it is open-standard and can be used royalty free.
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