[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 17:44:03 CEST 2018


Also did you check Tile-Link/Chip-Link?

> On Jul 9, 2018, at 8:10 PM, Mohammad Amin Nili <manili.devteam at gmail.com> wrote:
> 
> 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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> 



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