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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6032BC433EF for ; Fri, 17 Dec 2021 11:55:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5GtIkBsIz0CnbJglKCPbL0QlmJz0T0sCBk3t8cqlJ0U=; b=QxZoGqMJs+trey4PLzQyYP3WlZ Ggw3Mnz6fVHnbt6xW7COWsOnjkdVz9XqwEOSJoMMhY85FW2B0FOYeAcGTMOoEn+7s/9JDNHM3NdLG cy6Sg8H4l02JEsJ7c1qZFye8s6Hclf8HftsmNPk+irh3y3oQqG23LMqAHrxvKPo5NFaBBezsnHU+2 eMT2gGZYOFUwvwHROOu38x8g5jS3gVO8U+qd9yRMogOLRoPnNqk0nXVQMMHcxvw2XudUh5r9pu0P9 lEg4wE1+crWpza1EpZp/RbecjbWzJ804fwcfk0YsH6oUWk2yJRLhMg6yJ7YNKHMrZIsaNP8xj0sr6 Jb0eunQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1myBoV-009xqW-ID; Fri, 17 Dec 2021 11:54:15 +0000 Received: from smtpcmd0871.aruba.it ([62.149.156.71]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1myBoR-009xnL-Hp for linux-arm-kernel@lists.infradead.org; Fri, 17 Dec 2021 11:54:13 +0000 Received: from [192.168.50.18] ([146.241.138.59]) by Aruba Outgoing Smtp with ESMTPSA id yBoMmGIqJAiELyBoMmk6vi; Fri, 17 Dec 2021 12:54:08 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1639742048; bh=Cg6MxKPvLr6Syz/mZJuzyddObRpzBUMOq66KSTVgZcY=; h=Subject:To:From:Date:MIME-Version:Content-Type; b=YsK1gOTHau77ToD4V3DSSMyI7USDTkBZwjl/woPrapr/aTfPHPS0/GTxklvDY8ec4 Jm1+a2tF0knFjA8/Jx/yNjAIk3WpE4DeAkr58+XhjYn4nxMmBUHj2fWzUWwVI6052I e+xTjt7/WaN21gWO7T7lCwQoi0OlwHjZFRcvo+ByNiUL6UlLOklSFoPPgSbZQzxXMc dLgBd92UMup1b6Bc9e4CF6dWRCfohLkugosh37uTaJmvkvden7X9le4bd1G1Bf4VbO L7LXWJTT1QrasjtS7fa/uj3C16xs4UMTvGYkliZYnToAYR7sKcd+jBlDoOPQz5E1mR QorLYS3xfKQrw== Subject: Re: [RESEND in plain-test] Re: [PATCH v5 0/9] Add initial support for the i.MXRTxxxx SoC family starting from i.IMXRT1050 SoC. To: Arnd Bergmann Cc: Jesse Taube , NXP Linux Team , Michael Turquette , Stephen Boyd , Rob Herring , Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , Ulf Hansson , Dong Aisheng , Stefan Agner , Linus Walleij , gregkh , Olof Johansson , SoC Team , Russell King - ARM Linux , Abel Vesa , Adrian Hunter , Jiri Slaby , Nobuhiro Iwamatsu , linux-clk , DTML , Linux ARM , Linux Kernel Mailing List , linux-mmc , "open list:GPIO SUBSYSTEM" , "open list:SERIAL DRIVERS" , Vladimir Murzin References: <20211215220538.4180616-1-Mr.Bossman075@gmail.com> <1360c4fe-4a09-a8a1-3224-7f1d4af59f6f@benettiengineering.com> <634e9304-2eba-4ea9-65ac-5d4f5d011b70@benettiengineering.com> From: Giulio Benetti Message-ID: <88f5ec3a-8765-48b2-0429-d182402826be@benettiengineering.com> Date: Fri, 17 Dec 2021 12:54:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CMAE-Envelope: MS4wfJkrPNgY2+yCcbV01jLFZAj1mqsZnNe8M/nRv60DgHLOmija7PShQ+EryWAp90sIzvVBOOmU9lzp3hN/5wtsXuLUTv/PpOoR3jJE3ByA5PuCx+8ImBF6 bNNvhhw1qf58KbFLdL+BjpDhoXoFBJlwBgcSb8c2H2lpAUuufgHAfRiAHrka1/R/SampTSjjHwiQlgKjj71a7MoVRj4IPbd4M53DKvluKfROlfQTFJv7UqHM ROMGiZEO/UrWyowI8X8RUja+FsHyXMqgFhvmnc2mf5fPJfXjgAABfTU/Tae437yyToK/lMzhSoc8fw7ZWn09WfT7+5vjVeGLsQGPhN29R63yQgC5lh9jSckL eNm4oWEFDxh5xbihmqI1SOXV4xLya5KmgiehLCj8U9LPteR1kMPjALtPShU/YgZIewwT0jt92y6tnAtCsgkqwjdkZxA1L1c6MyHhmPYxFW80h6cWExblQhMg /aPT/EURA/fgwS4/JgDj/RPiWdIsB3zD857uNDnMzlP9Auq6yr/t0ZnylZ+I7NYjfvAwOZeiNeUxRz5+hhpjW5CBrP/eLegkCl3tTXgwezY6HkM5ikYJE+OS v9XT6jlGaKNj0ZJybeUWzGQ9zq32CPNoJPMlTFtxpK2FAEfxXOofQHbTp9umQ367/Ib5L+hZP3SHszgNze0QRSghRq+UZ0VCFQwlm6y9BKOGSYrV1FF2azBD UZxPArzt+mvZEja2/thGmIHLhDn3kKsgCsmBzbIpOadwU986xSOaVWqBj9a7s3TG3RMY3OtBPrdvD17mkvOK599Z0P2x18yGxpBXT9WvEMmy+EoGU3Jj1iCR 0PZNREN2Ia4Xtm9FpftLzuhgeUR1OtuDIqIn+SmjZMbsm8ImNXlfAe2EB0Tu8+RqOMGH831DwHK8CJCdq/06uOaG0bMQB5Pw4xaWZZGThJ5bRLPROHxj7Vuu xXm5iaGAzsiwptM6t16hU/4vS0xgpnZmLPGKaPlbXsCiZHI9kpVYoMh4rBbs7MtRjsM3Opiir7z/ZH4fZ5xIB9Skwr5lgVTo/4MPheKkXtLSI6d0Y3rlkowo VK6P7nIbxg/7rPJLqPaRtZhw4NoTzOECAWzFqxsCepa0W+o0ZbkkiOJqJJ5Wz/lAStg8Ypm/VM00P4QpuH+qAa/uw2ZANULR0KTElLNKAPibBwRv8rKqpzdJ ReshPf2u4Q5p1FV2JBFzWQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211217_035411_938879_D9D411DD X-CRM114-Status: GOOD ( 18.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 17/12/21 11:28, Arnd Bergmann wrote: > On Fri, Dec 17, 2021 at 10:54 AM Giulio Benetti > wrote: >> On 16/12/21 22:13, Arnd Bergmann wrote: >> >>> Vladimir has put some work into making Cortex-R work in the kernel, and >>> he may have some other thoughts on this question. >> >> I'm curious if he has something specific to Cortex-R to tell. >> >> I've found that Cortex-R82 has a MMU: >> https://www.arm.com/products/silicon-ip-cpu/cortex-r/cortex-r82 >> but I can't find any SoC that uses it. Also, I don't know how many >> people could use it honestly. > > R82 is fairly new, but I expect that we will see support in Linux in the > future. Aside from having an MMU, it also 64-bit-only, so we'd treat > it like a normal ARMv8-A core in arch/arm64. Ah yes, that's fine. So let's wait for the future, in the meanwhile we focus con i.MXRT :-) Thank you Best regards -- Giulio Benetti Benetti Engineering sas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel