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Fri, 05 Sep 2025 04:59:40 -0700 (PDT) Received: from rockpi-5b ([45.112.0.216]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-772396d2b97sm19633049b3a.67.2025.09.05.04.59.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Sep 2025 04:59:40 -0700 (PDT) From: Anand Moon To: Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org (moderated list:ARM/Amlogic Meson SoC support), linux-amlogic@lists.infradead.org (open list:ARM/Amlogic Meson SoC support), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Cc: Anand Moon Subject: [PATCH v3 07/11] arm64: dts: amlogic: Add cache information to the Amlogic A4 SoC Date: Fri, 5 Sep 2025 17:27:38 +0530 Message-ID: <20250905115836.7549-8-linux.amoon@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250905115836.7549-1-linux.amoon@gmail.com> References: <20250905115836.7549-1-linux.amoon@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250905_045941_361948_69891FF6 X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org As per A4 datasheet add missing cache information to the Amlogic A4 SoC. - Each Cortex-A53 core has 32KB of L1 instruction cache available and 32KB of L1 data cache available. - Along with 512KB Unified L2 cache. Signed-off-by: Anand Moon --- arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 37 +++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi index 563bc2e662fac..fce45933fa28b 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi @@ -17,6 +17,13 @@ cpu0: cpu@0 { compatible = "arm,cortex-a53"; reg = <0x0 0x0>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; }; cpu1: cpu@1 { @@ -24,6 +31,13 @@ cpu1: cpu@1 { compatible = "arm,cortex-a53"; reg = <0x0 0x1>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; }; cpu2: cpu@2 { @@ -31,6 +45,13 @@ cpu2: cpu@2 { compatible = "arm,cortex-a53"; reg = <0x0 0x2>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; }; cpu3: cpu@3 { @@ -38,6 +59,22 @@ cpu3: cpu@3 { compatible = "arm,cortex-a53"; reg = <0x0 0x3>; enable-method = "psci"; + d-cache-line-size = <32>; + d-cache-size = <0x8000>; + d-cache-sets = <32>; + i-cache-line-size = <32>; + i-cache-size = <0x8000>; + i-cache-sets = <32>; + next-level-cache = <&l2>; + }; + + l2: l2-cache0 { + compatible = "cache"; + cache-level = <2>; + cache-unified; + cache-size = <0x80000>; /* L2. 512 KB */ + cache-line-size = <64>; + cache-sets = <512>; }; }; -- 2.50.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic