From mboxrd@z Thu Jan 1 00:00:00 1970 From: a.kesavan@samsung.com (Abhilash Kesavan) Date: Fri, 28 Nov 2014 20:20:09 +0530 Subject: [PATCH RFT 2/2] arm: dts: disable CCI on exynos420 based arndale-octa In-Reply-To: <1417186209-5256-1-git-send-email-a.kesavan@samsung.com> References: <1417186209-5256-1-git-send-email-a.kesavan@samsung.com> Message-ID: <1417186209-5256-2-git-send-email-a.kesavan@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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 at 10d20000 { + cci: cci at 10d20000 { compatible = "arm,cci-400"; #address-cells = <1>; #size-cells = <1>; -- 1.7.9.5