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Fri, 12 Nov 2021 05:19:10 -0800 (PST) Received: from localhost ([193.209.96.43]) by smtp.gmail.com with ESMTPSA id g5sm9006420wri.45.2021.11.12.05.19.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Nov 2021 05:19:09 -0800 (PST) From: Thierry Reding To: Thierry Reding , Rob Herring Cc: Robin Murphy , Jon Hunter , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org Subject: [PATCH 2/2] arm64: tegra: Describe Tegra234 CPU hierarchy Date: Fri, 12 Nov 2021 14:19:04 +0100 Message-Id: <20211112131904.3683428-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211112131904.3683428-1-thierry.reding@gmail.com> References: <20211112131904.3683428-1-thierry.reding@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211112_051912_225650_70210706 X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Thierry Reding The NVIDIA Tegra234 SoC has 3 clusters of 4 Cortex-A78AE CPU cores each, for a total of 12 CPUs. Each CPU has 64 KiB instruction and data caches with each cluster having an additional 256 KiB unified L2 cache and a 2 MiB L3 cache. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra234.dtsi | 365 ++++++++++++++++++++++- 1 file changed, 363 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index 104e5fdd5f8a..db24f48edc9f 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -736,12 +736,373 @@ cpus { #address-cells = <1>; #size-cells = <0>; - cpu@0 { + cpu0_0: cpu@0 { + compatible = "arm,cortex-a78"; device_type = "cpu"; - reg = <0x000>; + reg = <0x00000>; enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c0_0>; + }; + + cpu0_1: cpu@100 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x00100>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c0_1>; + }; + + cpu0_2: cpu@200 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x00200>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c0_2>; + }; + + cpu0_3: cpu@300 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x00300>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c0_3>; + }; + + cpu1_0: cpu@10000 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x10000>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c1_0>; + }; + + cpu1_1: cpu@10100 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x10100>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c1_1>; + }; + + cpu1_2: cpu@10200 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x10200>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c1_2>; + }; + + cpu1_3: cpu@10300 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x10300>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c1_3>; + }; + + cpu2_0: cpu@20000 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x20000>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c2_0>; + }; + + cpu2_1: cpu@20100 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x20100>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c2_1>; + }; + + cpu2_2: cpu@20200 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x20200>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c2_2>; + }; + + cpu2_3: cpu@20300 { + compatible = "arm,cortex-a78"; + device_type = "cpu"; + reg = <0x20300>; + + enable-method = "psci"; + + i-cache-size = <65536>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <65536>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&l2c2_3>; + }; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0_0>; + }; + + core1 { + cpu = <&cpu0_1>; + }; + + core2 { + cpu = <&cpu0_2>; + }; + + core3 { + cpu = <&cpu0_3>; + }; + }; + + cluster1 { + core0 { + cpu = <&cpu1_0>; + }; + + core1 { + cpu = <&cpu1_1>; + }; + + core2 { + cpu = <&cpu1_2>; + }; + + core3 { + cpu = <&cpu1_3>; + }; + }; + + cluster2 { + core0 { + cpu = <&cpu2_0>; + }; + + core1 { + cpu = <&cpu2_1>; + }; + + core2 { + cpu = <&cpu2_2>; + }; + + core3 { + cpu = <&cpu2_3>; + }; + }; + }; + + l2c0_0: l2-cache00 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c0>; + }; + + l2c0_1: l2-cache01 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c0>; }; + + l2c0_2: l2-cache02 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c0>; + }; + + l2c0_3: l2-cache03 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c0>; + }; + + l2c1_0: l2-cache10 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c1>; + }; + + l2c1_1: l2-cache11 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c1>; + }; + + l2c1_2: l2-cache12 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c1>; + }; + + l2c1_3: l2-cache13 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c1>; + }; + + l2c2_0: l2-cache20 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c2>; + }; + + l2c2_1: l2-cache21 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c2>; + }; + + l2c2_2: l2-cache22 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c2>; + }; + + l2c2_3: l2-cache23 { + cache-size = <262144>; + cache-line-size = <64>; + cache-sets = <512>; + cache-unified; + next-level-cache = <&l3c2>; + }; + + l3c0: l3-cache0 { + cache-size = <2097152>; + cache-line-size = <64>; + cache-sets = <2048>; + }; + + l3c1: l3-cache1 { + cache-size = <2097152>; + cache-line-size = <64>; + cache-sets = <2048>; + }; + + l3c2: l3-cache2 { + cache-size = <2097152>; + cache-line-size = <64>; + cache-sets = <2048>; + }; + }; + + pmu { + compatible = "arm,armv8-pmuv3"; + interrupts = ; + status = "okay"; }; psci { -- 2.33.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel