diff options
| author | Duc Dang <dhdang@apm.com> | 2015-10-26 12:31:43 +0300 |
|---|---|---|
| committer | Duc Dang <dhdang@apm.com> | 2015-11-18 00:11:56 +0300 |
| commit | 8000bc3fe99a304e244edfaf185b418b22e5579c (patch) | |
| tree | 80c37cac2b0785ab1302776f519feae036c83b40 /arch/arm64/boot | |
| parent | 79402f35f00f3043ae91dd6470f7734263cdde85 (diff) | |
| download | linux-8000bc3fe99a304e244edfaf185b418b22e5579c.tar.xz | |
arm64: dts: Add L2 cache topology for APM X-Gene SoC
In APM X-Gene SoC (both v1 and v2), each pair of processors
shares the same L2 cache. This patch adds l2-cache entries into
X-Gene SoC device tree to demonstrate this configuration.
Signed-off-by: Duc Dang <dhdang@apm.com>
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 20 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apm/apm-storm.dtsi | 20 |
2 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi index ec0e9610b0b8..c617aa4972ab 100644 --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi @@ -25,6 +25,7 @@ reg = <0x0 0x000>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_0>; }; cpu@001 { device_type = "cpu"; @@ -32,6 +33,7 @@ reg = <0x0 0x001>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_0>; }; cpu@100 { device_type = "cpu"; @@ -39,6 +41,7 @@ reg = <0x0 0x100>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_1>; }; cpu@101 { device_type = "cpu"; @@ -46,6 +49,7 @@ reg = <0x0 0x101>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_1>; }; cpu@200 { device_type = "cpu"; @@ -53,6 +57,7 @@ reg = <0x0 0x200>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_2>; }; cpu@201 { device_type = "cpu"; @@ -60,6 +65,7 @@ reg = <0x0 0x201>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_2>; }; cpu@300 { device_type = "cpu"; @@ -67,6 +73,7 @@ reg = <0x0 0x300>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_3>; }; cpu@301 { device_type = "cpu"; @@ -74,6 +81,19 @@ reg = <0x0 0x301>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_3>; + }; + xgene_L2_0: l2-cache-0 { + compatible = "cache"; + }; + xgene_L2_1: l2-cache-1 { + compatible = "cache"; + }; + xgene_L2_2: l2-cache-2 { + compatible = "cache"; + }; + xgene_L2_3: l2-cache-3 { + compatible = "cache"; }; }; diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index 6297b7cdbe80..a21e08a88991 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -25,6 +25,7 @@ reg = <0x0 0x000>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_0>; }; cpu@001 { device_type = "cpu"; @@ -32,6 +33,7 @@ reg = <0x0 0x001>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_0>; }; cpu@100 { device_type = "cpu"; @@ -39,6 +41,7 @@ reg = <0x0 0x100>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_1>; }; cpu@101 { device_type = "cpu"; @@ -46,6 +49,7 @@ reg = <0x0 0x101>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_1>; }; cpu@200 { device_type = "cpu"; @@ -53,6 +57,7 @@ reg = <0x0 0x200>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_2>; }; cpu@201 { device_type = "cpu"; @@ -60,6 +65,7 @@ reg = <0x0 0x201>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_2>; }; cpu@300 { device_type = "cpu"; @@ -67,6 +73,7 @@ reg = <0x0 0x300>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_3>; }; cpu@301 { device_type = "cpu"; @@ -74,6 +81,19 @@ reg = <0x0 0x301>; enable-method = "spin-table"; cpu-release-addr = <0x1 0x0000fff8>; + next-level-cache = <&xgene_L2_3>; + }; + xgene_L2_0: l2-cache-0 { + compatible = "cache"; + }; + xgene_L2_1: l2-cache-1 { + compatible = "cache"; + }; + xgene_L2_2: l2-cache-2 { + compatible = "cache"; + }; + xgene_L2_3: l2-cache-3 { + compatible = "cache"; }; }; |