[PATCH 1/6] arm64: dts: hip05: Add L2 cache topology

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




The Hip05 SoC has four L2 cache for all 16 CPUs, every four cpus
share one L2 cache, add them to the dtsi file so that the cache
hierarchy can be probed.

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
 arch/arm64/boot/dts/hisilicon/hip05.dtsi | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hip05.dtsi b/arch/arm64/boot/dts/hisilicon/hip05.dtsi
index c1ea999..db2039d 100644
--- a/arch/arm64/boot/dts/hisilicon/hip05.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hip05.dtsi
@@ -90,6 +90,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20000>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu1: cpu@20001 {
@@ -97,6 +98,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20001>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu2: cpu@20002 {
@@ -104,6 +106,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20002>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu3: cpu@20003 {
@@ -111,6 +114,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20003>;
 			enable-method = "psci";
+			next-level-cache = <&cluster0_l2>;
 		};
 
 		cpu4: cpu@20100 {
@@ -118,6 +122,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20100>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu5: cpu@20101 {
@@ -125,6 +130,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20101>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu6: cpu@20102 {
@@ -132,6 +138,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20102>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu7: cpu@20103 {
@@ -139,6 +146,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20103>;
 			enable-method = "psci";
+			next-level-cache = <&cluster1_l2>;
 		};
 
 		cpu8: cpu@20200 {
@@ -146,6 +154,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20200>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu9: cpu@20201 {
@@ -153,6 +162,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20201>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu10: cpu@20202 {
@@ -160,6 +170,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20202>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu11: cpu@20203 {
@@ -167,6 +178,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20203>;
 			enable-method = "psci";
+			next-level-cache = <&cluster2_l2>;
 		};
 
 		cpu12: cpu@20300 {
@@ -174,6 +186,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20300>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
 		};
 
 		cpu13: cpu@20301 {
@@ -181,6 +194,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20301>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
 		};
 
 		cpu14: cpu@20302 {
@@ -188,6 +202,7 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20302>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
 		};
 
 		cpu15: cpu@20303 {
@@ -195,6 +210,23 @@
 			compatible = "arm,cortex-a57", "arm,armv8";
 			reg = <0x20303>;
 			enable-method = "psci";
+			next-level-cache = <&cluster3_l2>;
+		};
+
+		cluster0_l2: l2-cache0 {
+			compatible = "cache";
+		};
+
+		cluster1_l2: l2-cache1 {
+			compatible = "cache";
+		};
+
+		cluster2_l2: l2-cache2 {
+			compatible = "cache";
+		};
+
+		cluster3_l2: l2-cache3 {
+			compatible = "cache";
 		};
 	};
 
-- 
2.6.0.GIT

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux