Re: AW: [BULK]Re: Linux board with 10 CANs

[Marc Kleine-Budde <mkl@pengutronix.de>]

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On 05/15/2015 03:04 PM, Uwe Wilhelm (PEAK-System) wrote:
> 
> 
>> -----Ursprüngliche Nachricht-----
>> Von: linux-can-owner@vger.kernel.org [mailto:linux-can-
>> owner@vger.kernel.org] Im Auftrag von Marc Kleine-Budde
>> Gesendet: Freitag, 15. Mai 2015 14:47
>> An: François Beaulier; Andri Yngvason; Yegor Yefremov
>> Cc: linux-can@vger.kernel.org
>> Betreff: [BULK]Re: Linux board with 10 CANs
>>
>> On 05/15/2015 02:40 PM, François Beaulier wrote:
>>>> Have you considered FPGA?
>>>>
>>>> Andri
>>> I don't know much about FPGA, i can see in the kernel that there are
>>> c_can and m_can drivers, i guess i have to add something like a PCIe
>>
>> c_can and m_can are IP cores by bosch, they are used in various SoCs.
>>
>>> bridge to connect the CAN controllers with the SOC ?
>>> Is there a way to use FPGA that would not lead to driver development ?
>>> Do you have any link where i can learn more about Linux + FPGA + CAN ?
>>
>> You have to use an IP core that is already supported by the kernel.
>>
>> Marc
>> --
> 
> PEAK offer a 2 and a 4 CAN Channel FPGA Solution which support Socket CAN.  
> A 12 Channel CAN card build with this Core is running under a Military Label 
> without any problem with nearly 100% Busload per Channel / 1 Mbit
> But you need 3 free PCIe 1x Lanes. Cost are cheap, because you only pay License, 

That is 3 IP-Core instances with 4 Channels/1 PCIe Lane each?

Marc
-- 
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