From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CB06C433E9 for ; Wed, 23 Dec 2020 14:47:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0504422482 for ; Wed, 23 Dec 2020 14:47:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728216AbgLWOr1 (ORCPT ); Wed, 23 Dec 2020 09:47:27 -0500 Received: from elvis.franken.de ([193.175.24.41]:35201 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728214AbgLWOr1 (ORCPT ); Wed, 23 Dec 2020 09:47:27 -0500 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1ks5PZ-0002aB-00; Wed, 23 Dec 2020 15:46:45 +0100 Received: by alpha.franken.de (Postfix, from userid 1000) id 0B096C0212; Wed, 23 Dec 2020 15:46:36 +0100 (CET) Date: Wed, 23 Dec 2020 15:46:35 +0100 From: Thomas Bogendoerfer To: Hauke Mehrtens Cc: linux-mips@vger.kernel.org Subject: Re: CPUs with EVA support Message-ID: <20201223144635.GA15636@alpha.franken.de> References: <20201220193201.GA3184@alpha.franken.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Tue, Dec 22, 2020 at 03:46:31PM +0100, Hauke Mehrtens wrote: > On 12/20/20 8:32 PM, Thomas Bogendoerfer wrote: > > Hi; > > > > I've started looking how to get rid of get_fs/set_fs for MIPS and > > my current obstacle is EVA support. > > > > Looking for CPUs supporting EVA I only found P5600, are there more ? > > > > Does someone sell boards with an EVA enabled CPU ? > > > > How good is EVA support in qemu ? > > > > Thomas. > > > Hi, > > The InterAptiv CPUs used by Lantiq/Intel/MaxLinear are supporting EVA mode > and it is used in the default settings of the vendor SDK. too bad that I lost my access to a GRX350 eval board, but at least hardware with GRX350&550 is easy to get. > The SoCs are not supported by mainline Linux kernel, it was tried to add > them some years ago: > https://lwn.net/Articles/761729/ > https://lwn.net/ml/linux-kernel/20180803030237.3366-2-songjun.wu@linux.intel.com/ and no updates for that ? Too sad... Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]