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| author | Abhilash Kesavan <a.kesavan@samsung.com> | 2015-01-10 04:11:36 +0100 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2015-01-17 04:10:41 +0100 |
| commit | 25217fef355174209eff68c0eb438a8af5d7b01c (patch) | |
| tree | 468555f81163fdb4804f3b30d79e11a736fa94fc /arch/arm | |
| parent | drivers: bus: check cci device tree node status (diff) | |
| download | linux-25217fef355174209eff68c0eb438a8af5d7b01c.tar.xz linux-25217fef355174209eff68c0eb438a8af5d7b01c.zip | |
ARM: dts: disable CCI on exynos5420 based arndale-octa
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 <a.kesavan@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/exynos5420-arndale-octa.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5420.dtsi | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index aa7a7d727a7e..db2c1c4cd900 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 517e50f6760b..0a82ae7793c2 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>; |