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[v2] ARM: BCM5301X: activate some additional options in pl310 cache controller

Message ID 1434056635-6880-1-git-send-email-hauke@hauke-m.de (mailing list archive)
State New, archived
Headers show

Commit Message

Hauke Mehrtens June 11, 2015, 9:03 p.m. UTC
In the default Broadcom SDK the shared override is activated for this
cache controller, do the same in the upstream code. Data and
instruction prefetching is not activated by default for this cache
controller on the bcm53xx SoC, do it manually like it is done in the
vendor SDK.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

changes since v1:
 * remove the arm prefix in prefetch-data and prefetch-instr.

 arch/arm/boot/dts/bcm5301x.dtsi | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index 78aec62..589b285 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -78,6 +78,9 @@ 
 			compatible = "arm,pl310-cache";
 			reg = <0x2000 0x1000>;
 			cache-unified;
+			arm,shared-override;
+			prefetch-data = <1>;
+			prefetch-instr = <1>;
 			cache-level = <2>;
 		};
 	};