Eric Lee / smarc-ti-linux-kernel

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Commit 25217fef355174209eff68c0eb438a8af5d7b01c

Authored by Abhilash Kesavan
Committed by Olof Johansson
1 parent 896ddd600b
Exists in ti-lsk-linux-4.1.y and in 10 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04

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>

Showing 2 changed files with 5 additions and 1 deletions Side-by-side Diff

arch/arm/boot/dts/exynos5420-arndale-octa.dts
Diff comments   View file @ 25217fe
... ... @@ -372,4 +372,8 @@
372 372 &usbdrd_dwc3_1 {
373 373 dr_mode = "host";
374 374 };
  375 +
  376 +&cci {
  377 + status = "disabled";
  378 +};
arch/arm/boot/dts/exynos5420.dtsi
Diff comments   View file @ 25217fe
... ... @@ -120,7 +120,7 @@
120 120 };
121 121 };
122 122  
123   - cci@10d20000 {
  123 + cci: cci@10d20000 {
124 124 compatible = "arm,cci-400";
125 125 #address-cells = <1>;
126 126 #size-cells = <1>;