From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?RnJhbsOnb2lzIEJlYXVsaWVy?= Subject: Re: AW: [BULK]Re: Linux board with 10 CANs Date: Fri, 15 May 2015 16:18:44 +0200 Message-ID: <55560044.4060907@orange.fr> References: <5555A6A3.7090206@orange.fr> <5555B82B.2010204@pengutronix.de> <5555BD6A.60204@orange.fr> <20150515102450.24212.89893@shannon> <5555E93A.7080507@orange.fr> <5555EAC6.8010901@pengutronix.de> <005401d08f0f$a3b9f960$eb2dec20$@peak-system.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtp04.smtpout.orange.fr ([80.12.242.126]:39623 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752629AbbEOOSs (ORCPT ); Fri, 15 May 2015 10:18:48 -0400 In-Reply-To: <005401d08f0f$a3b9f960$eb2dec20$@peak-system.com> Sender: linux-can-owner@vger.kernel.org List-ID: To: "Uwe Wilhelm (PEAK-System)" , 'Marc Kleine-Budde' , 'Andri Yngvason' , 'Yegor Yefremov' Cc: linux-can@vger.kernel.org Le 15/05/2015 15:04, Uwe Wilhelm (PEAK-System) a =C3=A9crit : > >> -----Urspr=C3=BCngliche 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: Fran=C3=A7ois 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, Fran=C3=A7ois Beaulier wrote: >>>> Have you considered FPGA? >>>> >>>> Andri >>> I don't know much about FPGA, i can see in the kernel that there ar= e >>> c_can and m_can drivers, i guess i have to add something like a PCI= e >> c_can and m_can are IP cores by bosch, they are used in various SoCs= =2E >> >>> bridge to connect the CAN controllers with the SOC ? >>> Is there a way to use FPGA that would not lead to driver developmen= t ? >>> Do you have any link where i can learn more about Linux + FPGA + CA= N ? >> 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 Militar= y 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 p= ay License, > no Hardware - that=E2=80=99s up to you (you get the schematic). > You are 100% compatible to the PEAK PCIe based boards -- see WEB Page= or google Interesting but i.mx6 have only one PCIe lane and other low cost SOCs=20 often have no PCIe at all. I will think twice about it because having a fully ready and supported=20 driver is a huge plus ! =46rancois