From patchwork Fri Nov 28 14:50:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhilash Kesavan X-Patchwork-Id: 5404261 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 69B57BEEA8 for ; Fri, 28 Nov 2014 14:53:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 89D6320166 for ; Fri, 28 Nov 2014 14:52:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C615B2015E for ; Fri, 28 Nov 2014 14:52:58 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XuMt0-0005f7-CU; Fri, 28 Nov 2014 14:51:06 +0000 Received: from mail-pd0-x22a.google.com ([2607:f8b0:400e:c02::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XuMso-0005Xk-PP for linux-arm-kernel@lists.infradead.org; Fri, 28 Nov 2014 14:50:55 +0000 Received: by mail-pd0-f170.google.com with SMTP id fp1so6839954pdb.29 for ; Fri, 28 Nov 2014 06:50:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=fZf7wGtpC+HSna8GgR6qJCFK2xJdkWvGifFC8FgcdZM=; b=rS44LjPRPQQiJmq5jr8MmSSfv21Az1up5tM9usKwJ9Qy0VqDunpfa9xXXWEEMMRetN ZiGtlbboGsSfFLsX+S8zFSLmmDkMCcvji+IjfCcVzGsCd723vYi0I3B1IR00CBPW/4LX bDlR+N93ROMfTyTGVTmns75aRGkKZUU9QsDbCuLISXdVLCm0fTkPohoP8NuP0Eou3Fwv uKra09J6Fav/NhMO4D3RW7OQfa/GunZxfL8Z1M4Ljm7ou+DLAEv+vL3tP0r3Zw4m6K21 rEkIWq8XWBGyuC/1D/jX2p/Pdteg70gT4pmbecGn+oVaHFabNjQj73dCweKldn1eqPTs lNGQ== X-Received: by 10.68.103.195 with SMTP id fy3mr74391040pbb.84.1417186233357; Fri, 28 Nov 2014 06:50:33 -0800 (PST) Received: from localhost.localdomain ([122.171.113.180]) by mx.google.com with ESMTPSA id h6sm10187437pdk.38.2014.11.28.06.50.28 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 28 Nov 2014 06:50:32 -0800 (PST) From: Abhilash Kesavan To: linux-arm-kernel@lists.infradead.org, khilman@kernel.org, nicolas.pitre@linaro.org, lorenzo.pieralisi@arm.com, punit.agrawal@arm.com, will.deacon@arm.com, mark.rutland@arm.com Subject: [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa Date: Fri, 28 Nov 2014 20:20:09 +0530 Message-Id: <1417186209-5256-2-git-send-email-a.kesavan@samsung.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1417186209-5256-1-git-send-email-a.kesavan@samsung.com> References: <1417186209-5256-1-git-send-email-a.kesavan@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141128_065054_942855_6CF75AD8 X-CRM114-Status: GOOD ( 10.32 ) X-Spam-Score: -0.7 (/) Cc: k.kozlowski@samsung.com, linux-samsung-soc@vger.kernel.org, arnd@arndb.de, b.zolnierkie@samsung.com, dianders@chromium.org, kgene@kernel.org, olof@lixom.net, kgene.kim@samsung.com, kesavan.abhilash@gmail.com, javier.martinez@collabora.co.uk X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_LOW, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The arndale-octa board was giving "imprecise external aborts" during boot-up with MCPM enabled. CCI enablement of the boot cluster was found to be the cause of these aborts (possibly because the secure f/w was not allowing it). Hence, disable CCI for the arndale-octa board. Signed-off-by: Abhilash Kesavan Tested-by: Krzysztof Kozlowski Tested-by: Kevin Hilman Tested-by: Tyler Baker --- arch/arm/boot/dts/exynos5420-arndale-octa.dts | 4 ++++ arch/arm/boot/dts/exynos5420.dtsi | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index aa7a7d7..db2c1c4 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -372,3 +372,7 @@ &usbdrd_dwc3_1 { dr_mode = "host"; }; + +&cci { + status = "disabled"; +}; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index 517e50f..0a82ae7 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -120,7 +120,7 @@ }; }; - cci@10d20000 { + cci: cci@10d20000 { compatible = "arm,cci-400"; #address-cells = <1>; #size-cells = <1>;