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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 83C84C433EF for ; Tue, 18 Jan 2022 17:33:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id DA57A60E4E; Tue, 18 Jan 2022 17:33:17 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Gu6u4KbatgXn; Tue, 18 Jan 2022 17:33:17 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp3.osuosl.org (Postfix) with ESMTP id 28CAC60E4C; Tue, 18 Jan 2022 17:33:16 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by ash.osuosl.org (Postfix) with ESMTP id 4EE0B1BF59D for ; Tue, 18 Jan 2022 17:33:15 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 49F3381420 for ; Tue, 18 Jan 2022 17:33:15 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp1.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=aruba.it Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4wnG6ArCTAWN for ; Tue, 18 Jan 2022 17:33:14 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from smtpcmd0641.aruba.it (smtpcmd0641.aruba.it [62.149.156.41]) by smtp1.osuosl.org (Postfix) with ESMTP id BE85F813D8 for ; Tue, 18 Jan 2022 17:33:13 +0000 (UTC) Received: from [192.168.50.220] ([146.241.178.108]) by Aruba Outgoing Smtp with ESMTPSA id 9sM2nkmUrX0z79sM2nkSrI; Tue, 18 Jan 2022 18:33:12 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1642527192; bh=zxFpOPFakOXtLBFh00dY4s5CfBfJvd1jkgZLDYqAy3s=; h=Subject:To:From:Date:MIME-Version:Content-Type; b=Pv5uPdNprb5fQXipfoPe76KCWfXgQ9MkVE6HMI5v+ydCfxEvlcb9Toi2KkhCBmiFt Vc/EnPrM7b9vI6M5ZaZ01bYZU8a8kKY6gopvZu+DqvCxM4c3Nbqs29lwCJL7kPeLsg v3r1dUPSq/N2Q9M8DcJuPOJRwTKBVYCwB4UJDpb2TWPSkR8ekU1LIeJmei0YGzjrxR 5e7XPp21yc/qMbExwo6W62fE6BQGLUkvWz20Q4LGlF9CmATCNgBNP9XmPfGlUma/CU vdGyxvzscavzWqRsdQ3l5S9HZLGmlhLGv7wkPc2lQv4vwLSG37oYlh3vrss+cZ0Oqr BvdmEt5j/Fwtw== To: buildroot@buildroot.org References: <20220118104338.2081259-1-giulio.benetti@benettiengineering.com> <20220118104338.2081259-2-giulio.benetti@benettiengineering.com> From: Giulio Benetti Message-ID: <4ac1fff6-a7ff-063e-82f7-7b1d198ef0a6@benettiengineering.com> Date: Tue, 18 Jan 2022 18:33:10 +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: <20220118104338.2081259-2-giulio.benetti@benettiengineering.com> Content-Language: en-US X-CMAE-Envelope: MS4wfBqZgZCgqtW09VWZ6EbbeAvKSG2dLj3oCgOfzR5zJYbifkbyW944jcOystF37ZpFp3IjI3BVV0wlAJ3vk4D8VrVm6pxrJq7nWTaQso/lJi+n25MUK8Fk c6V7zBHjES/s2+/bY1+e/krQAVrlabc8Svi9DuEnp3PHHnoSQy03JP/swOykqLUgTYOiK4iDGrAqRds/l6RvH4Z95uoFw+TFjYoybBlDtS5Jc70oyDzPqdOz v4uV9V+E3wVCUcFOJPty1TGogxjLn2ybOnmlywONMMjRRG17POcnQ8FUeQbriWaCCVcbFA+UQyEBiG2glcg2FcgfM+uxw6gG4KGUhlUk8pwXqRblB4Z4vpTZ rqPAZGDDGDgc5amj279cG97Hz6mmZk/ndc/HsjjaNlIVwnAZ1d7H72ESZuis/Cxz/9EqD1SVStBeArqOpAZjEzl3BdmmRT/kGu2plbIY76aRrVMcllGp3qZL RLzfeMEDCPr8p5mzWZilsWM4vAKCCNUHBS9H+y+C2pHLLis+KHWTvTCt+sQsi5HNXjItAl65MWDtjtW+Bet0zM710vZSaImKq63j1hSTXQcSZJ8dDxH/UH1x sWhMAdqikYS8nk1nFkmIPrVbiiqTMGQoq9nOde4kpgO/DA/9bdM4DhbIyvnYmZYvG3RUQDMvKUuY4vopi2nhxS4kmmo4CeVBK9Ca/i4+7c+3cFnv3AYdRL3C R3UmoUwhB4Q8EUHOiQR7H0qEUVLdEJxjJrNtPzhD8dL3CvFLl1BKsw== Subject: Re: [Buildroot] [PATCH 01/28] configs/acmesystems_acqua_a5_256mb_defconfig: enable NEON/VFPV4 FPU strategy X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Theo Debrouwere , Simon Doppler , Sergey Matyukevich , Mike Harmony , Lothar Felten , Bartosz Bilas , Davide Viti , Jan Kraval , Ludovic Desroches , Marcin Niestroj , Michel Stempin , Thomas Petazzoni , Edgar Bonet , Fabio Estevam , "Yann E . MORIN" , Biagio Montaruli Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Hi All, On 18/01/22 11:43, Giulio Benetti wrote: > As pointed by SAMA5D2 Datasheet[1]: As pointed by Edgar on Patch 02/28 Acqua A5 doesn't have a SAMA5D2 but a SAMA5D3 that doesn't have VFPV4+NEON, but a VFPv4-D16 and NEON, so this can't work. I've marked it as Rejected in Patchwork as patch 01/28 and please drop it. Thank you and sorry for the noise. Best regards -- Giulio Benetti Benetti Engineering sas > ``` > The Cortex-A5 NEON Media Processing Engine (MPE) extends the Cortex-A5 > functionality to provide support for the ARM v7 Advanced SIMD v2 and > Vector Floating-Point v4 (VFPv4) instruction sets. > ``` > > So let's enable VFPV4/NEON FPU strategy instead of the default VFPV4-D16. > > [1]: https://ww1.microchip.com/downloads/aemDocuments/documents/MPU32/ProductDocuments/DataSheets/SAMA5D2-Series-Data-sheet-ds60001476G.pdf > > Signed-off-by: Giulio Benetti > --- > configs/acmesystems_acqua_a5_256mb_defconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/configs/acmesystems_acqua_a5_256mb_defconfig b/configs/acmesystems_acqua_a5_256mb_defconfig > index f8129f3780..991de4c1be 100644 > --- a/configs/acmesystems_acqua_a5_256mb_defconfig > +++ b/configs/acmesystems_acqua_a5_256mb_defconfig > @@ -1,5 +1,6 @@ > BR2_arm=y > BR2_cortex_a5=y > +BR2_ARM_FPU_NEON_VFPV4=y > BR2_ARM_ENABLE_VFP=y > BR2_ARM_INSTRUCTIONS_THUMB2=y > BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_4=y > _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot