From patchwork Thu Jun 30 08:01:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Courbot X-Patchwork-Id: 9206851 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 785B46075A for ; Thu, 30 Jun 2016 08:03:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A5882863A for ; Thu, 30 Jun 2016 08:03:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5EECC28658; Thu, 30 Jun 2016 08:03:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AF77D2863A for ; Thu, 30 Jun 2016 08:03:29 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bIWv8-0001kY-Dt; Thu, 30 Jun 2016 08:01:58 +0000 Received: from hqemgate14.nvidia.com ([216.228.121.143]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bIWv5-0001gY-LT for linux-arm-kernel@lists.infradead.org; Thu, 30 Jun 2016 08:01:56 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com id ; Thu, 30 Jun 2016 01:01:21 -0700 Received: from HQMAIL101.nvidia.com ([172.20.12.94]) by hqpgpgate101.nvidia.com (PGP Universal service); Thu, 30 Jun 2016 01:01:34 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Thu, 30 Jun 2016 01:01:34 -0700 Received: from DRUKMAIL102.nvidia.com (10.25.59.20) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Thu, 30 Jun 2016 08:01:31 +0000 Received: from HQMAIL103.nvidia.com (172.20.187.11) by drukmail102.nvidia.com (10.25.59.20) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Thu, 30 Jun 2016 08:01:27 +0000 Received: from percival.nvidia.com (172.20.13.39) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1130.7 via Frontend Transport; Thu, 30 Jun 2016 08:01:25 +0000 From: Alexandre Courbot To: Stephen Warren , Thierry Reding , Jon Hunter , , , Subject: [PATCH] arm64: tegra: Enable all cores on Jetson TX1 Date: Thu, 30 Jun 2016 17:01:19 +0900 Message-ID: <20160630080119.27090-1-acourbot@nvidia.com> X-Mailer: git-send-email 2.9.0 X-NVConfidentiality: public MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160630_010155_740505_BCB98678 X-CRM114-Status: UNSURE ( 8.40 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Courbot Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Enable PSCI firmware and all 4 cores of T210 on Jetson TX1. Signed-off-by: Alexandre Courbot --- Not sure why this was not done - in any case this seems to work fine and performance is obviously improved (especially boot time). arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts index bb319daf6aa5..6e7fe0517e5c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts @@ -71,4 +71,27 @@ regulator-enable-ramp-delay = <1000>; }; }; + + cpus { + cpu@0 { + enable-method = "psci"; + }; + + cpu@1 { + enable-method = "psci"; + }; + + cpu@2 { + enable-method = "psci"; + }; + + cpu@3 { + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; };