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

["Uwe Wilhelm \(PEAK-System\)" <u.wilhelm@peak-system.com>]

> -----Ursprüngliche Nachricht-----
> Von: Marc Kleine-Budde [mailto:mkl@pengutronix.de]
> Gesendet: Freitag, 15. Mai 2015 15:18
> An: Uwe Wilhelm (PEAK-System); 'François Beaulier'; 'Andri Yngvason'; 'Yegor
> Yefremov'
> Cc: linux-can@vger.kernel.org
> Betreff: Re: AW: [BULK]Re: Linux board with 10 CANs
> 
> 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?

Yes, every FPGA have it´s own PCIe Interface and max. 4 CAN Controller inside

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