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Message-Id: <20220912071554.1480-10-hayashi.kunihiko@socionext.com>
Date: Mon, 12 Sep 2022 16:15:54 +0900
From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To: soc@...nel.org, Arnd Bergmann <arnd@...db.de>,
Olof Johansson <olof@...om.net>
Cc: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v2 9/9] arm64: dts: uniphier: Add L2 cache node
Add a L2 cache node referenced from CPU nodes as the missing cache
hierarchy information because the following warning was issued.
cacheinfo: Unable to detect cache hierarchy for CPU 0
Early cacheinfo failed, ret = -2
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi | 6 ++++++
arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 12 ++++++++++++
arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi | 8 ++++++++
3 files changed, 26 insertions(+)
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index 6a7d7973e9dd..a75356db006b 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -36,6 +36,7 @@ cpu0: cpu@0 {
reg = <0 0x000>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&l2>;
operating-points-v2 = <&cluster0_opp>;
};
@@ -45,8 +46,13 @@ cpu1: cpu@1 {
reg = <0 0x001>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&l2>;
operating-points-v2 = <&cluster0_opp>;
};
+
+ l2: l2-cache {
+ compatible = "cache";
+ };
};
cluster0_opp: opp-table {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index e24784e12b7b..1e6317e371ba 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -46,6 +46,7 @@ cpu0: cpu@0 {
reg = <0 0x000>;
clocks = <&sys_clk 32>;
enable-method = "psci";
+ next-level-cache = <&a72_l2>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>;
};
@@ -56,6 +57,7 @@ cpu1: cpu@1 {
reg = <0 0x001>;
clocks = <&sys_clk 32>;
enable-method = "psci";
+ next-level-cache = <&a72_l2>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>;
};
@@ -66,6 +68,7 @@ cpu2: cpu@100 {
reg = <0 0x100>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&a53_l2>;
operating-points-v2 = <&cluster1_opp>;
#cooling-cells = <2>;
};
@@ -76,9 +79,18 @@ cpu3: cpu@101 {
reg = <0 0x101>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&a53_l2>;
operating-points-v2 = <&cluster1_opp>;
#cooling-cells = <2>;
};
+
+ a72_l2: l2-cache0 {
+ compatible = "cache";
+ };
+
+ a53_l2: l2-cache1 {
+ compatible = "cache";
+ };
};
cluster0_opp: opp-table-0 {
diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
index 6277be04a974..72ba6a52233e 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
@@ -43,6 +43,7 @@ cpu0: cpu@0 {
reg = <0 0x000>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&l2>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>;
};
@@ -53,6 +54,7 @@ cpu1: cpu@1 {
reg = <0 0x001>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&l2>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>;
};
@@ -63,6 +65,7 @@ cpu2: cpu@2 {
reg = <0 0x002>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&l2>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>;
};
@@ -73,9 +76,14 @@ cpu3: cpu@3 {
reg = <0 0x003>;
clocks = <&sys_clk 33>;
enable-method = "psci";
+ next-level-cache = <&l2>;
operating-points-v2 = <&cluster0_opp>;
#cooling-cells = <2>;
};
+
+ l2: l2-cache {
+ compatible = "cache";
+ };
};
cluster0_opp: opp-table {
--
2.25.1
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