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-rw-r--r--target/linux/bcm53xx/patches-4.1/079-ARM-BCM5301X-activate-some-additional-options-in-pl3.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.1/079-ARM-BCM5301X-activate-some-additional-options-in-pl3.patch b/target/linux/bcm53xx/patches-4.1/079-ARM-BCM5301X-activate-some-additional-options-in-pl3.patch
new file mode 100644
index 0000000000..bfe4304744
--- /dev/null
+++ b/target/linux/bcm53xx/patches-4.1/079-ARM-BCM5301X-activate-some-additional-options-in-pl3.patch
@@ -0,0 +1,29 @@
+From e8ec653c767f56346eb1fadbc07e0706d6dbd56f Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Thu, 14 May 2015 00:38:28 +0200
+Subject: [PATCH 3/3] ARM: BCM5301X: activate some additional options in pl310
+ cache controller
+
+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>
+---
+ arch/arm/boot/dts/bcm5301x.dtsi | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- 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>;
+ };
+ };