From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D92C61F540C; Thu, 20 Feb 2025 12:22:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054152; cv=none; b=GME59joQYXeTf1gpU4ooVAelCcSKkDQH9at/aw4Pi0JzhEazXP/wBCnN8F4FKA9hckyKW+DCTzXgKicwrkl2e5UftXBmskjt7IvN5b4e0pVt9ylfNducWpHr3WDFPBrJPI8+5Ey18S9xHjI+XtBVZpuwxfrLBSauu1Zrh6J7KlU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054152; c=relaxed/simple; bh=v1V3E5WkHVmqS/D472EV2ffRCymQYBLBb580WG2bKlo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=e3jAy6UgeZf6tcTa0TlDryBMgbUjkygHM6joQM/sXdgJ+f1U1tVAK8IqbcWskur090g8uOU+xEebR9hvjPOwVJ6t0LuShZ3dqJCoZ0gcxWGy6iNFDSBdUThBRjutG2Tz3t9V+Ug4fI6OLMYrJRVqNSf0WWGYM0LKQLNBl/Pg56M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=komIrcut; arc=none smtp.client-ip=209.85.214.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="komIrcut" Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-22101839807so16762565ad.3; Thu, 20 Feb 2025 04:22:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054149; x=1740658949; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=T+fH+M7M0QPKx2zeAS0ZDdKGKMrlScq5PHQ29ysgs4g=; b=komIrcutHegslfTHEaKXXfNUyv6gkG6OrMkEJWgpOcEAjDONV5oYgiSzy0LAfLSwsM ktdg1Wp544lP5txMg1fRJQCPfy6fqISNUUNUpWwSHa+MUZ7BgaaBs3SqOllFvYGpFeNd Gsdtgvj48Z7RfOYt7v92ybkVcxZTh1y8xvHRmjOLjWvIQuu7PZUG4ftgA0CCga8dkWXv wSdWUICv8PzxbM8Ytck5ByMp5DTsWpE4oz49ncq8T6lZgimSHMLmdkdixEZcjgjbK7+9 YdUJ63XRS7nEgHelmet6agwdfiiv3Dv/nXK0kF1ut4WpMO1XD7E8sGWod+7zhwARsa6a Xe0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054149; x=1740658949; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=T+fH+M7M0QPKx2zeAS0ZDdKGKMrlScq5PHQ29ysgs4g=; b=o8H0KbMRpy7F1NDfHu3T4q34+VK9PXl2iBLptOepzTQs4cFc1GcnZn6mLuJ0K4Vj/5 e3vjAb80CubifM9zOoz4vLY79X9TziBMol4BsA/e57dAwB7nXKgpLNrt9B4hYPoN0gJe 0N/Rodvho/g+CaDpT+2Wma4+Sb/Uk48MeT2jXIwvJ/dD7aUmCzae0XJ5fTUFHoUKUBMY +Jxltl7R5p0irCP2V+4mPgeDj83R0sKbHhbqbEl6/w8aHooheWAeqONna/S11UKkGZfK 7kWuYSpaj1KF/MU4p82zxP9/u/Hjg+aZA36JL+mW/JpUYg4JDG/SwGVzWGxKbiVTO7Ld JNZw== X-Forwarded-Encrypted: i=1; AJvYcCUSTCPKlcd1q001uK7AZVwmHWpR5Q1n2pI4PvK1yEGYhQ5hF5xSk+zrKhbdJhFXrpbsC1/WemB1j5xd@vger.kernel.org, AJvYcCXPZ8C/V5eB4p9Jt5d0wJKXB+IkW+mV3R2kPV4CXjMXKmENd830NvBR8YJYX4nJKDU48ClBckLgyp2aSqm3@vger.kernel.org X-Gm-Message-State: AOJu0YzcKlOCRib7olprQYsw4lmYTVCU1xsndukfbyGNHtFHPkbj+x67 LTl6VIYPUtJU16QgsXomxLaUV67TUctGGt6DkDWjQV+zompGgqZx X-Gm-Gg: ASbGncvuTU65N23zAJJ+SE3VFrCdHVDJwdFws44nO7Ohce5X1uwn57bBbocWwUABnfl Wj+GgHjrc/UFUyBRp9uo5ohDnA//oRA6AgS99V9cWooh7et5K0jYYyJ42hihF64NPHgROUvQyPz z8P6bQzima0TkFPPIdLcC3i1hCXhIMTBfSevFWDrgvKiKUUiHaIMls698TqAxLeLGt8xUQPtAOB Cm2J5oKWY8YocP5RvoE/4D2S93Xuybu/mpSlurqo1W+B1hV65t99gRr2U/T0TmLVm1M2uM8SZwD sSSbJxNWKZLe9EXfPQ== X-Google-Smtp-Source: AGHT+IF2PoDb3Kk94qSCiGVpPAbMGoiZGlMtDUf/oiV3gQAi27yF+wvBuQ9G/yPKmlllaTDzw98zZw== X-Received: by 2002:a05:6a00:3a0a:b0:732:1840:8382 with SMTP id d2e1a72fcca58-7329dcb4d5bmr12388136b3a.0.1740054148987; Thu, 20 Feb 2025 04:22:28 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:28 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:42 +0800 Subject: [PATCH 1/9] arm64: dts: apple: s5l8960x: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-1-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1153; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=v1V3E5WkHVmqS/D472EV2ffRCymQYBLBb580WG2bKlo=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5+88E85lGcMv8Rj8CoWvDh/DXWVEM+KTtJu lJUXhUbSkWJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefgAKCRABygi3psUI JDxRD/4wYsk1/SWK2Ze/Ilh8czAZLIhE+GPx1uP9bjI6owuI8/GWARs6kAN5HV7P2kIug9O3TlK SGNQfpNtxf67htonZKRdu4kErrjtaCV5FoaGMA3x/cEtmjnDgykcmFBFvQHtbslefA58hO7ecHA TQLAb/Sk+O0V0IByofqAXToAuNED/5DOMi9TuNHGa9kEuRMpMkPb1X9YcDgkf7il832Ptc636ub lILaGQ4isJoWthOXCNIQa9wkbFvzKucQbZQegUEyMWp4xn73KbVIgpo1+ZyIZB7zkNbdTcedI2X otIBsmJalY7NaswnfVyKMSH0F+wpGjQgfZWKhZqsgmkSB5MXu5IsTA3hBVcEAw3QGfzf9wPQWf7 h8MPZdmspfFdTT/ppimuWvjYfClFIpKq75rR3AnJD50wbi+BNRmMeqBXf2rKu28VW1bfLkijt+G PD74iwbKDli6QID3VebOC7qtKLIJ28RsJCWHi7TF5STxA9BMlhWxoJkwMvYiuTN/0zS88pDS5EH t8Z8dUEQPtPrpTWurpq3cuMGVceCUXIiDPM78PF8r7u7zAyUdBMDsC0kNos8D/psYlNAPWEAUBj 4OPEPuP0XjX57aRUr6GGC2VZs6pRg7EexeAPvDtwKph2iP+Fex6DTQBOJn5K5AzDfpbK90HsRfj QwNU1bmoLp2Nsqw== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in Apple A7 SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/s5l8960x.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/apple/s5l8960x.dtsi b/arch/arm64/boot/dts/= apple/s5l8960x.dtsi index 64dbae5c73515bb6a1651b9b26d349d0cfd0408a..e58a3a280abf72c0a390cbefb4f= df89942d77512 100644 --- a/arch/arm64/boot/dts/apple/s5l8960x.dtsi +++ b/arch/arm64/boot/dts/apple/s5l8960x.dtsi @@ -37,6 +37,9 @@ cpu0: cpu@0 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu1: cpu@1 { @@ -47,6 +50,16 @@ cpu1: cpu@1 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x100000>; }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 768E71F55ED; Thu, 20 Feb 2025 12:22:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054154; cv=none; b=PXeS3tGsgiyOrw7h4z1n6AdIFFPUj8qMuuTaDqsn6+L0YZ1smL+nqD2QDByw2qZXoXaOZZGFD7itzAd2tyI8KVEjgOJSbx1SPiIZFoMu+b6j5CVb6rzsz2cVttrkpX/fD4LS3KMBg1NeUfj/9sSoPf1XgMVErMYrfWM8fXLQNck= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054154; c=relaxed/simple; bh=ZoFAboTTORCIiwfMRZBtk/4gIxbXbV5LowBP1mj/Ne0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nBQm8dJMiIim56dk4U5x1fzYgPClpMgD9ExTSRLu1M9Gyq+h0qKm+007tEl/swOTxviFLhSEn9sO+pYX1bYfvkKAqmAvp752nLS2QigsasQjz1uHZi+zI2pLo626F/h7ZSUl6mP37z0Wbk/Wy7RHaF0R0w5E/pu0ZC0BAyRdN9Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Gb2qg+Lv; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Gb2qg+Lv" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-220bfdfb3f4so17451805ad.2; Thu, 20 Feb 2025 04:22:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054152; x=1740658952; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=yTteZauPNy6vSlRahT0l3anygq+qMXyNmxkONLZYlOk=; b=Gb2qg+LvhSl+EzLp6GtGy0cj0G1erHYNNQwtyOnB1hipuduGTn3/uISAlD4BC25He3 XczIgtZeLeIUREXlVYGoTftSTZJZUYslsg/7aTRMLr6MTjGEyKVzHnxT1sp2Dcqj1lQE Hp/eozdKfXJktNwBV+TZi2bPfRA/fGXdwuwOMipy3HcQL7+XO4/F7k3jXkiywLBLocmk 7saHy0wP9k0rea4M9oVAPp8zOCyPEbaROiaCtv4dqSeNCVR1rYW7NAj+kOQvhI5RuFIS IeqY4VEk8kSFU+W+pezF1a9M7+fUMLfUVEK7IPgCip6WcYzO156GHSnjz5zGuFthiVNS KLYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054152; x=1740658952; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=yTteZauPNy6vSlRahT0l3anygq+qMXyNmxkONLZYlOk=; b=QdgW3IvIMtFxg2gkwVbYHV8b4UYnasrrMm157QbQNNPvX003jkWxzezf3LSSMwSv4m hQZGW5zgcq0Js62ka0Ose5m+nlNbrHCYCP6oQd/ddZ7JjzfZYRftEXbUnjX1dX43eVDD Y//JImfsNK26VJzt2r/+fWt6rymYX4i+EOkiXs50wpmvv3ZY2KG/7oryg4qxBpdBUUsN 7ALrxpQhvHZ20FBuDrrGhANWHV01/IRuhvfCkovY0L27Awa7zgX4NpopaVU+xRFDBZPz zIVXIPbsU2DgzVLIgJuqFP/Hap/VYDcztbuyjSTsHChq6CPFwJj7l3Ghjm13N9lxN3DV E8yQ== X-Forwarded-Encrypted: i=1; AJvYcCUcCvEsSeoXAB/4c1U0H1ifLgae0wWA7XN3T5Bsd5fBkAeLRmHNEK55rzURTfZFGvU+MuxXe564BMPt7tV3@vger.kernel.org, AJvYcCWGIymfToGbq0C+GEjTlZhLOyqmPf2b4i3I0uLLfcrSs8hedGh1Io2PCCxLUDMsABDsPPAmZQoADSoZ@vger.kernel.org X-Gm-Message-State: AOJu0Ywp2MyDCHo1g7OG6J8VUAGcWEDdwDf7Jx7mdA1gZ8+yvILCuSA4 DJiuWRM35MReXb15wCGKdzpvkqaffWd+oJ75OZ959GED5IdnYol7HSCs7g== X-Gm-Gg: ASbGncvaXWN5/Uq6MBEAt60c8+Eny05DVJyxsW4P99k2z7GTacgcj/6RzQCRUKuwZZe NgbBpJd8U5o7VDM14Pm98aucA5Z55nETwc595QIcA8d5Z4GH+LIgmoKpwaxaNxo8JTvPJcLH4eW 9V0JZg7+/OMSkCXWuYx9vombtjFRawJwhOYCXLpN768ZxR8ouMI5uN4OVBjkmHUBMt7P27vQ9PQ Lt03VAWDAkMaXF0keF3AFnXIjulbNkIcdBVnD9OMDURoaDyTw+sWlEGwnLbuPU5nu7/tGVimfJ6 X90gXmzsvAcdgKyvyQ== X-Google-Smtp-Source: AGHT+IHbidj5ZO18Td1QTyEmiRAdi45GlrXUu2QGtSYq+K2SCUDB/E/xSTypUJeAm5+h+BQ1uKj1Zg== X-Received: by 2002:a05:6a00:3d0d:b0:730:9a85:c940 with SMTP id d2e1a72fcca58-7329df59b5fmr13027683b3a.20.1740054151736; Thu, 20 Feb 2025 04:22:31 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:31 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:43 +0800 Subject: [PATCH 2/9] arm64: dts: apple: t7000: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-2-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1146; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=ZoFAboTTORCIiwfMRZBtk/4gIxbXbV5LowBP1mj/Ne0=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5+LCgvVTDgoUd0iBlRyUgpGAbBux2045I4f yesRBGCmreJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefgAKCRABygi3psUI JEF9D/kBf5LvSkslGuNWkshtevt+gtvr6PpA6VRTGq61xc8YW2hC1gZJ+Rn4wjN2tLU0eCAFZpz WO98sKNPxSTADYzQFT14pDlMM9lx50sXJcmES2LUOJQ6UOkE9daYhheIS1kC5L++RNy6E6IUZB2 /JqxIUtYiJGjneJU4c2jrViqdEzIG2sgctmLjGoxoIjsh59sW3ZO5Q4Tawn92HakkLIW+rYOuE2 sqWCs9IQlDssCcZ6LCAWKQbGo0CajB/axd4mfDrax7vwM6bZD8H9p6oIjEL9GgZv8bO98O9Z3bd /dmqLiDZzYxRDqvifYw596GiSPbo8T8bqkO/mkwIUmwGlx3rzDV3p8kjQzi2MeANS3dYF0jatR4 BmCepz1bTt1gjVq+v2AZW8xx/OgpeoWlDRV1R+7azeqdqMZhc9ICHaYWepQKqDVGfvxJhN3BFMK I53O8lpFOf29VsO70pKUZLDhTAZrWjeQBqqxoRQL6QDBmIHnLXkopzos9VczWwLTFpgGezRturI k5l3fPHGzbm6aa71sIQIW3m+EbylfAtqO14xw2c+PH5S38fI5BWi9NOqgqh3vwIR0bbcmOBPnB9 rm8oecdlwZ96L8wpnm4M+4RXVI7guU0mX2L1YjkEzyd0wiFSLCD1LklfeeOvWAnNfO8Tm/MtLuC 6eRDePdEEAEhWRA== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in Apple A8 SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/t7000.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t7000.dtsi b/arch/arm64/boot/dts/app= le/t7000.dtsi index 32cac8c30e62d657079dbf32aece8af0fd9cef38..229ebd78c9d14609c30cdd011d1= ec59847c846f8 100644 --- a/arch/arm64/boot/dts/apple/t7000.dtsi +++ b/arch/arm64/boot/dts/apple/t7000.dtsi @@ -37,6 +37,9 @@ cpu0: cpu@0 { operating-points-v2 =3D <&typhoon_opp>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu1: cpu@1 { @@ -47,6 +50,16 @@ cpu1: cpu@1 { operating-points-v2 =3D <&typhoon_opp>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x100000>; }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C4A81F7586; Thu, 20 Feb 2025 12:22:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054156; cv=none; b=hpj/jhS+yQovSRPUX5ZqRc0xaNlaWuW0+K6SdHKps2bvQ4mGd8bPermlRA58qab9VtgXDZwCVUl01de8xNSoWtqTyDJNWVa6yLLxFizlKSSZs41kPm0b+1ZEz2wN5WKEgCspnnDSb1+qlN5CZZQKm+ZpgNHr6djvlM2pnkyGh2c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054156; c=relaxed/simple; bh=3dP0oDAIN/InBoJgIEEqaYRol8BwNynu3ip0BA5Xbxw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=B3XcmLOGU2gPGLaYegqIViXqOsEldZwlO+Ura43Amf7+U0CO8QrczC1Y9d+hemn7RdqiJ99D6uf5K/2lofLlA4IygLT/eQh1vPbEXdtR6pSb96hDrDWXJ7jDaGlJxE3rjgStikMTP4aYGRgIWg1d+FjFEB8//veJg0ceH8/m2WE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=gjnsLw+k; arc=none smtp.client-ip=209.85.214.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gjnsLw+k" Received: by mail-pl1-f170.google.com with SMTP id d9443c01a7336-220d601886fso11880315ad.1; Thu, 20 Feb 2025 04:22:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054154; x=1740658954; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=UBuJnAWVhO28mlOCOrO1xk7g+eWQaeRbOJaWHDeNHoM=; b=gjnsLw+k9GUp62NPNBrhiwTQRmSrSX62EHXISQpDc/myuGZZnNRC91WfD+f34FXqpx M/wzOtrKptQQznfGXRuweAkQXOzWgXlXphPQY/d8rxVFJPMBfpOeT4sUNL/siIDXCLxk B4SzQhTkHSh/VzXnoQSH6Ihj1uM0yrBGQOV5/1VozN7wsrxy9XXhJUuL5N7mK0OyPWa1 uOz+mcfC9NoMPNiDlyJ8PCYpZeiM1q+QBFfxgIaTV32WHTVeHAT4dnMe1pmSiX9N+4NB cOwyCvxzWGuD9yvbavDSOUIWCHAezODCVQF2LLHmbzCAqN3/WCSV8HSgqGs2xnfLOYCP nMUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054154; x=1740658954; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UBuJnAWVhO28mlOCOrO1xk7g+eWQaeRbOJaWHDeNHoM=; b=f+0tYbysu7+jjMenEZ52ZmkwSFjfQaMMT3srrBCKAZ/jWFC2UYslwuMzHyr8Vpxvnp KtryL6Ebzz5jBQuNImd1gMQNgWWpjO202hW6h80JaDnZ3dV4VnE/ISa9kjMECo1dmgZD /TTrlsfursr3fI7DYJN+2VKy8JJCHm3Jj5A9CLyKcSRO1TNtKFjjpbbQpU4gClMrS2g+ DJGbRo6zIxeFcwJhY/v+GRIUQoPdg5cQmnv2LNdaLycwHeU3QdnL2dvmFn2iG3XowSNb 5OIrtd/9x81sfu78LyccUWD6AKhZoWgI62qXZa9OgUZ2G1ZYVS+/+OYfZ3VlNlFF86A6 8hZg== X-Forwarded-Encrypted: i=1; AJvYcCUHd3KAHvbKnTT7Z8ri7dGxy+KWc5s2rQwtHvpr6fgfTrB1LCSUonmB76nwPY1cVBKDY0d4tmPjvzs1IUtG@vger.kernel.org, AJvYcCWouFCT6cAA1dCGVLnKGAUZrRcei9OMsgE3gIl13514qiwLNRosq+g0Plzb8bmMocZdfUawGsvRV4RE@vger.kernel.org X-Gm-Message-State: AOJu0YzpZrEcC2qQgxoraYc3kYCfuHD8D/c5btc0Rfl0KCX3viG+jk5U Mh5HaS24IDcC+zYG/dbks8eSBoZBQ36x0aeaUOlFVNOu2xoz5lKh X-Gm-Gg: ASbGncsWz6VY/UnvvJuVViS2VF7aRvJua84vEn+tiUiSCUoglUyfh9Yj7aiVDizgJP8 HPgqvvl/AhKSNFLS0Xo8gmRgUzPod64ZOS46oy7b9tNtQH1tdJLRtu/MNEeFtHUjwmROleF28gX z8gYJf/PAIA/7apWKL0nbcn+5ReLEUjZhzSvukY4SsXk6wZbx5hULUXJooZjY9Kd79qmqfwK2K+ IhxA4BT8NclW03d3yRLWR2Fjn9qw5PiMUhZvJvPU36omasfW29mcUvK+xrhsqaedcbMznwcNhTz i2HpKWOlW4vretbfew== X-Google-Smtp-Source: AGHT+IH65NfsjOzwTpqmb7nGlYrkljWx2zuSmpAI4ns0SFN1VCagsWWVvimBp2kuvzzwPZxNgSongA== X-Received: by 2002:a05:6a00:3e0c:b0:730:75b1:7218 with SMTP id d2e1a72fcca58-732618c1ec6mr35494739b3a.16.1740054154443; Thu, 20 Feb 2025 04:22:34 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:34 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:44 +0800 Subject: [PATCH 3/9] arm64: dts: apple: t7001: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-3-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1414; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=3dP0oDAIN/InBoJgIEEqaYRol8BwNynu3ip0BA5Xbxw=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5+6R8kl4XjwXno6F3R1YST47PDcS75fBq9D rJWwg4NDTyJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefgAKCRABygi3psUI JH6bD/4+Uuk91oX9dOv7aKSCauwvonXydDd98FtccI7OIe68dRR3+FUfJTG8uyXR+pYU/mNKFzR ZZUoH0VGqFto509TYITNK/SpkOdFyiXL6HeAwk7qJOfsPMRc3sigral9s7lvLIbUdtUiz6HnDCf fBBBbikZwjRa+DD+uJaQlRC1w1anizTEWrGL6t64YZfOSj2AbeJL7Zstv6NQPVhGPkcYfTZdtwL 81ZYUXPCHpSPuqWPS4QOYAsJUQU42XHCq/bti9nI3Tck9VSZ1nKy+re7Qn6os6ONPaZB78/FNHS 5e3wazbFon98qhpKB9zaR386r5uHoVcCidjHi2FW3s/zL/3XFOifV7QNwf0EpJRJFGrh7unBGsY 21iPBE1hav7RAnWirgmnQJELJ2Wb0M54976wFqtSC/DLGK8+v4Ly//P7s2z8tWESSKshNVpqNzi l6V1S2D3hp5E6xIh9l9Z3YuOPdqotRyTUZmjoAnJpl4zG97rdRDqpynbdwTyGmNncZGeo4ipggQ COriGrhTb6WgOIDPzd2Uu+uesy0JCbkMnrTyc8npg7Xo86G/lCxfhS/8BT03so0KmwrYgr4OcSW sKQGasFL7wwrZv3Ru2IDH9jP+tpRlD1CVdwZLJWbPXioIlq2obTiTytTwZ+4bG9TdjEYKMzoCva HsyzDzgsE+iB+/Q== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in Apple A8X SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/t7001.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t7001.dtsi b/arch/arm64/boot/dts/app= le/t7001.dtsi index 8e2c67e19c4167fc6639458ce79588e153336603..a2efa81305df47bdfea6bc2a4d6= 749719a6ee619 100644 --- a/arch/arm64/boot/dts/apple/t7001.dtsi +++ b/arch/arm64/boot/dts/apple/t7001.dtsi @@ -39,6 +39,9 @@ cpu0: cpu@0 { operating-points-v2 =3D <&typhoon_opp>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu1: cpu@1 { @@ -49,6 +52,9 @@ cpu1: cpu@1 { operating-points-v2 =3D <&typhoon_opp>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu2: cpu@2 { @@ -59,6 +65,16 @@ cpu2: cpu@2 { operating-points-v2 =3D <&typhoon_opp>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x200000>; }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f180.google.com (mail-pl1-f180.google.com [209.85.214.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1317C1F8BA6; Thu, 20 Feb 2025 12:22:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054159; cv=none; b=D+cGObTTx3Cs1g6GATr+RlKc9EFvYZKob2cA9CmLnYijGxS8fIiGApMvWPNL9B8w79Ia9u68PjEisRyLyF8Q56cYgj/MZcTbpcQMYSDIFrLnH3nSFCIr18Oz/d811pKbprBVmsOkufFQCC79m9BlxiO7EVLjHuqDqnfDytvE8aM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054159; c=relaxed/simple; bh=m8DIH1oz0BOQsGMq/uy1lhJh09Sh6/MpdSkzvHXLM/M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=dl6CI2VERvp2l+JhNz8bzwMJMtAcbzJ/e64gVZvYVFzrUAUAFL0+LU++f/h4EXya41jzB8aVX66CaxfqW6KKdCnVrBGqDubrzMs61AFYezz8Fel00X6vOSD1hq6NKGxUfnw+FVSob/rv7G4pG3RQ5Rdvls/R6n5p80PtT1/tG7Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=IWdlj1uw; arc=none smtp.client-ip=209.85.214.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="IWdlj1uw" Received: by mail-pl1-f180.google.com with SMTP id d9443c01a7336-220c8f38febso15626065ad.2; Thu, 20 Feb 2025 04:22:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054157; x=1740658957; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=p88Xq7CcIbv//pK/8o6xWNFNp8G6hvFjdYWZku59rLg=; b=IWdlj1uwhJGvysyQ2YKFJVjff1PcRne2JKyihZpuYRLEjGcuZZ09ukcID0iKjDfVLe MJojO68DuJ+NA/1Io/4QH0famr+orG4+AaBENRkfZ0RNiJ90wS6DSXx1MMo/vVle/ONB c2uEc4uDBmwdzYnpWFqZMXGUfiSRfl/1e5miVLmtaDaR/4I3F4dxSA76H9oRx97Yexm6 tYotBih2DPo81cAT+ieOVHGkPhq4wqmhZ/bvZ8D+oLgnvOUaoxX5ErB3FHeJ8OkT4uh/ pFJsKJse7xWMRg9ZRZZRz0kMpfzPuvraLdzvSwkdMEMLHnSHQu5WLXsGE6mXGgTxDDkr yTrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054157; x=1740658957; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=p88Xq7CcIbv//pK/8o6xWNFNp8G6hvFjdYWZku59rLg=; b=wfWO2+8em0v9IeYBleefP0+h7hMuhgxOSPfDIZDz/B7fE+cJPfxpVEfXC+wiZyHF3A VMn02HJj2oSQWqW52LlvqUkUfIRB08FNIkNAvq8QgMF9Ndn/In/VjSuqZUEllNaInJi0 5G53mzf5J0CM62clVbU/H5XTEFVbgZ0JYQPKNyfr+yJIIs9738SJKIcZzIZDAtGq40sP iMzEHdpS9fQR1fAAy4ZBySMV3HI13U+La1hVnJXNwD+9RgLZxm42NplvjgZMbXgkumvz HWZHrV8WAD1QNa+z4h89MjXTAU+/qR4yWsWPCeXa7oazPWfH5VC53oZlx3alfKanvAGh Ia9w== X-Forwarded-Encrypted: i=1; AJvYcCVQzaaLdsr5Fb9THutrn+79dHjLc/Syf0K6tCAadmwCXgGiJqkRc+FBN+6I28L3zv2AmdONEboKOZFa@vger.kernel.org, AJvYcCW+vB/6zwhRNAhgPAHsPZSwLXupKjKVK5nkPvY587/XPIPu4Lod5zRK4LmKccwfR7sfJOfsgVWWPGzN42OT@vger.kernel.org X-Gm-Message-State: AOJu0Yz+JuldlpM9WgL3paqsrN3OSCGSS00h1FBryKLevp7/vPMpaMze eAhAY3iis7tO4Bvy1SBGmony61LX3aaCPg/9bJc5lUqLFEKl6TI8 X-Gm-Gg: ASbGncsEfVtNMO7iqxFd4CqR3eU2qNvo6AiQaUHKE8D7bFSnZcsM2kjQZ+TKuypTt6t dyrwocDoB8jV+F/U7wb4LsTtniix3dcg+M6memiWvKUSb+xR2XUgvNlushEsJfbxs703m3+q82y oSvJhlSNPwOklxXle02L86SWIM5NSFroUkUdJodyhof1AuHZ+mIGAZ64tH+5g3BcFQQiVYn9gSI KPytdrra6peJ1aStzn9vkpguDmik9lOFVphC4/p5LGPO15WjnMh+LK1V8Y9fsUBpz5T7V8TIutu PAUOeeS93tDtU647Uw== X-Google-Smtp-Source: AGHT+IGKi0OwABJ8OazdgI/qPfei2Zb/m9/WRKpTHFBhVpsI8ngWlD5vkXqc6qhKnNsHJhG3sucPtg== X-Received: by 2002:a05:6a00:1812:b0:732:5a0c:c1b9 with SMTP id d2e1a72fcca58-7341728035fmr3827536b3a.13.1740054157213; Thu, 20 Feb 2025 04:22:37 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:36 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:45 +0800 Subject: [PATCH 4/9] arm64: dts: apple: s800-0-3: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-4-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1170; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=m8DIH1oz0BOQsGMq/uy1lhJh09Sh6/MpdSkzvHXLM/M=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5+sEdIUrj9lyDp6bgq8zlC6AYKb0UbErd1T DYTpg9Lra+JAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefgAKCRABygi3psUI JO5mD/9x7g3XxV7Y3A3h/VxuTLsbrjRrQv3LRwbIsIbWfDt+fgtSq+UFYHXekbz3pvRmSIviTSy +wsG8YF/8dYtAxg7o3Et6LqUv4l0G1mf4a/cBhn+Rppu1yfPWvO8bZEPNJYG03DmR7ToCc4gJ6g /wm3uATeXQPckGvaofJkQN5uGpFRLiySrQC/N+XEL2686uDqnlyCH53RxoyOwtSJ5p9goKJTAqE +ZGlDvmsl3k5FiDxTcHI3wq/WG4zduPSAv0H7gxtDU1iyUHXqdJaVSEjc6f/WOV3/KsnVfrEjcQ 12reV8t4YosYLLPS/YiadOV4p8LTJvHB/3VIFt+jGpuH5v3fZMNZKgp0wqHeRghQdWTkF4LvNS+ W5SByHg0WBmdlQtLm6kHPqPaWtczr+TwcaS1FaFyUB6xLYKyn2RbFE7oAqF2yBeiZp6bqdnx3eE 7T/cz5e4X04sLtIy5c0vosTkak8bKw6jwdcIPc/9SyO+EwcqNhd7E3kJUfpaMH31SnIzSVS8cZO rF5gnUkBIGD+m+YBTWf3SgF3fHIYNuVzB0wluTT3AaRglIGO+59ZCkip5EAMM5kFZ2EBRYCF2T2 S27ln4iXKhHHCC5zuxGsLhM/QjEaZ/CZ22xjB0kC+nLzrp+JGOkkKLem4UZ9h9pGWNy0SN7F8bs VOJ7GCRceKh7oRw== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in both variants of Apple A9 SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/s800-0-3.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/apple/s800-0-3.dtsi b/arch/arm64/boot/dts/= apple/s800-0-3.dtsi index 2aec49f0da6467519aeb2561d00b14f46fe216fb..e56697689d953fdb0da9d23b57f= d92b6f8eb5756 100644 --- a/arch/arm64/boot/dts/apple/s800-0-3.dtsi +++ b/arch/arm64/boot/dts/apple/s800-0-3.dtsi @@ -36,6 +36,9 @@ cpu0: cpu@0 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu1: cpu@1 { @@ -46,6 +49,16 @@ cpu1: cpu@1 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x300000>; }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AEB821F9A89; Thu, 20 Feb 2025 12:22:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054163; cv=none; b=dHzQ+wT1y3CRCfJJ9oJTSMPi67YGIb5H1u6l7zgdy655B4YsGgTBbseYXabVhamXwuBHHfJBW2s7LnOy25GQAjKVjjaPU2XWQB86wFrYBqAmKoN0eykgXK/MMEF86thv3luE7OXhmlbw5TB9QJg3u8mGpeviawElMVL46Ab7CKw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054163; c=relaxed/simple; bh=iKAQVbN6H8LNJ4L0t5TJAQywaYEBuG3C40azpKpmjE4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=fzUgdtSNZwy0G8TrTYFz84wy42sXYYM7r63Z0LnG/csIU3hE2T+9e8y6Qwfp0Z+Z+QJeJBSnqEcNZnPKvi8olMrsyMO/61U6oO8r9d3TD8aahLNi3DitsmL1Tu+vk8tlKTRUznKDHywuQGUwYoO5fXtcGxbRYLN81LBQNEnPOAc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Sl5KHWaC; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Sl5KHWaC" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-220e6028214so16604705ad.0; Thu, 20 Feb 2025 04:22:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054160; x=1740658960; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=7chlsLty0Lpa7lAJqauh8CHAEbBBaJTQJHxpJ2xXoRo=; b=Sl5KHWaCgNszjefVYci5YhDS9IBAd5FT8rTRLNY8qfEx+PqIEJC0ybbmh4vqihKjk4 xPztJAUjpVjE947o+iWwpuIGPfvgJVZH4rOjjbWjH9ogYClupReSABOWzeRL7Iov5tYO +zhSGGcjRZo2rV9ILhUw4b3ThMGPHhS8ywm4OjUfqiow2Hs2zNxBV6BC9cxMrGPj4TV0 F64mEBfDeC6VwIn0y1vdnXTMWWNIudiSqNj2AkDTXpkMMTOw5c2qKL/TWrRCrykgaKP/ KWrUeoD3YV0q1z9Di5VhtrRzcA/aMts44K9G6fb/qUs0spiKN1eJuSooLCB/aGiWeqgN LLtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054160; x=1740658960; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7chlsLty0Lpa7lAJqauh8CHAEbBBaJTQJHxpJ2xXoRo=; b=IqGOa0JHhZOrtYAEsXovvigbHqwfqOd7fSpDxGGHBe1wU7ah8bktCJ7uTWiIMkmsTd nNIjliWsCHW1Cxit9vFZno1Z/AYVrjri/OJQ2jojMuvJtCb6phhcb0veVso/MXtXwzDN wxqiURP0QfIKUMIvBgPiZv6oNL9Hpia8l6uAOLsj0REn8CTU1qOofEm7ehbjPyi4cFvl pb7M124lVvklbzgdLEzQ+MBL5COA6eLiEtJHTuNUumjAEQF/Q2NRNuFIKxeOoXzl8UWK l6/L2FKk0PXlaaQtHpOgvH3Mfi4uXDbBoZZdc9vDGIJY//gaMQYRPFBlw0Ub0n2Yrcxr F/WA== X-Forwarded-Encrypted: i=1; AJvYcCUO1TB3hrIw3LJ11tCloIXjHJBf+APzh9rMh1q3KSEIc2hXXaeVNdvQV+boLH6fkPuyXtFEnWsnEukj@vger.kernel.org, AJvYcCUd8Cj/3uku2RKGOP+oJfNQmC1FK0CkjkHsigyMste0n1MQ7bsZ1TIt7glArx8zRfpI3V2EnwGvl78mhUMR@vger.kernel.org X-Gm-Message-State: AOJu0YxalPbREM5rG8B477q5OrU1x/eEGWNCJeIuNRSaSH7WdasZnXHd qfgFt27KhBUlyXydKl9fWcYa+o/GWnae2ueVkkzbBk1CiFA6tbx+ X-Gm-Gg: ASbGncsGZSsInN8QYa4Gex48QQaOwGu5i2qpqcH7ObLgpBycbcHgcINWqyKsIKNnUBz Qik4U5+sLuy11jOfCMa/nvNiJg0LTSMvcq6RvlpY/7Gqf7cUPHePjXNGkpilZ8ikW1hg+HUoPVc YK2cWyOc+cVqjoJTBUG7jfnzTclypj4/75CxN6wtUfJhNmwRKLghRG/+qlVLEC2Ivb1JYh9wLMm aVEXvqsaDyW+pUu2kt9ewpvXwROZ+98HUmMqhYW7ZR0pf3Z1JU+DFXNL7Fx8isx2PHp2Yss8Vif alU111tuWCq+p43f8g== X-Google-Smtp-Source: AGHT+IGn28HCvIx9WJAp2s2tdPFeSijrFvqwGRpoloAKTjGl2JNSmwjJVADce8Yn4bnaEnt7kaxqTg== X-Received: by 2002:a05:6a21:7011:b0:1e1:b60c:5bcf with SMTP id adf61e73a8af0-1eee5d68ba3mr5323432637.32.1740054159908; Thu, 20 Feb 2025 04:22:39 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:39 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:46 +0800 Subject: [PATCH 5/9] arm64: dts: apple: s8001: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-5-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1139; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=iKAQVbN6H8LNJ4L0t5TJAQywaYEBuG3C40azpKpmjE4=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5+NPjeURwiNzAzZwx+4KYBipsYXVdqfZo8J bphtR8GE3eJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefgAKCRABygi3psUI JO22D/49OTwRyfjXN0ZLwJOwuqVuNXrhFrd/9B7/xmgUAgstIWuD72YkGK6u+jBzquNjMxCCBaa rofULIp28eH/iRTKp/KwVLZLPR1QvbgMR3wHzb7k+mCfM03uwH8+0Z0cWkoBsEonT5gNI378NWG EoNCrFK/318jyMX7qDJm+zAFiQYeQOcMs13xcXvROY4o3kXajsPlBO1o4PklMsatD50v6Zpq5G3 MpqKprgUxia7SGQZw4N/6B6cTBf7eoPQ1ZYeKJmtL3r6nIxTNMU+S35wQG3rUcXzVGzKaF7rhNi TpztKyGuVIvvlRRPLP+MRzptCCKujaLGWFqA3QHsA6bnKjWWCQQJrhVVAq6E/o9UORfe2bY2JiP amz4gpRMhLt8YU6qJJAntdHZj+tpeEwDKpN6IUTmuTyck+nlZKJD4GfDBTD5up5/Pfp04CDv7ox /bMRH1mX0duXQVtPVWaV9jGfATYfB/mvqSftktheaOm2l+vEJW+1ELqPU6cUkoR6n4Pqi8AT+Yi Uo8d3oK6YSMIBX/ykn3+wdQXLGiaROOm1TJrtM1i1tWR5c5j7F7Uyeo2yHsrFKwF/Q6oaED2xZW r88pwbxAvHO5/1dUchprQRWGQJWbfmlo8OwuFVOwUyFJFikZOQe2w/zh3VuChlOf/TdgxrKS1AM P3eyhYJrjvKfpzw== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in Apple A9X SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/s8001.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/apple/s8001.dtsi b/arch/arm64/boot/dts/app= le/s8001.dtsi index d56d49c048bbf55e5f2edf40f6fd1fcff6342a9f..fee3507658948a9b4db6a185665= fdff9f5acc446 100644 --- a/arch/arm64/boot/dts/apple/s8001.dtsi +++ b/arch/arm64/boot/dts/apple/s8001.dtsi @@ -36,6 +36,9 @@ cpu0: cpu@0 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu1: cpu@1 { @@ -46,6 +49,16 @@ cpu1: cpu@1 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x300000>; }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A6341F473A; Thu, 20 Feb 2025 12:22:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054164; cv=none; b=lYWbTyLNpw92kWXmJjAvaIRKkONZWRcR5T+ld9tN5F+mDvDmGU6jK4yPJxirj9rTVD40R/yaCJdexs7TjcpUG0QM4AMtXHfkac3af9FPtrLT8Wcame41VeuRv1N+YHBTv9NNAk0EGgxAspd6N3MoE3WR3+//p96T+FFFXGi150Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054164; c=relaxed/simple; bh=Dfmhksd4L1Rm6h/PJVjQgqmA7UT/Za+zMY19qrFBfHE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TWC2oXGcN+Q3URaF/dbc3yqgJim7JQ0EwKWEqozBHcVfAzi9u+WAOF4AyqBVPyjT574aYEXZbatyoffSzwjK07EeX+JrH/au/UNvQiyVFlEcZgxYyFsZMFVh/suBuKzTILVAnfPYVRfxJ2kF3jwjCytY1r7b1DUCOea60bNuCW8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=LIY/Gefm; arc=none smtp.client-ip=209.85.214.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LIY/Gefm" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-220e83d65e5so14560805ad.1; Thu, 20 Feb 2025 04:22:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054163; x=1740658963; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=K9SN5Eoig0xDKhvB9KRORQRZL5RX1Z+GyDwaupX8zwI=; b=LIY/GefmKM+TJ0lXakHPmkWALP0hehEQwFH/bqPkbvCIJsSXvsXBgoqk3T157AMr1s f1DQDK4JepwevmuGr3td4odaxHeuoIXyax6yLVJ1RDjEKao4ItdXi2oY52kpVfJdfWty eljE4uNeko2CNQTkMddQTUvqNH7uXnKfqiXQHqHUztbMrEKqXzjXsqxqjXlRAZMOh1// 2HYHrf1+u4+IJQ3P2d47OTQZ2RGz/kaBpyZP/eBMETZquAM7xxfK5+FlfRbj8+//7KmC tXDYseQ9Dxukbk4ArUxUqJXpMhPO9ZUaCMQpYpP7MPnn3MLdrQ+VC/cPrT7iacoVpU1p tfvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054163; x=1740658963; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=K9SN5Eoig0xDKhvB9KRORQRZL5RX1Z+GyDwaupX8zwI=; b=u3yyxM6qVKcUfATS+TZcXmSbRGzEsRqHTfMBaeNT95t2wgzlH8HDYCjTc74AgvlYDC 6bsi9iQpqhkAp287w00lMME/Fes7H72frbagoJZKe6beollJP0dGhAiMba2jmqnKvfOu Kv/B36e1Mn6tALEgiKo5f5jSY3uu+ApDi2ZkTwwuh3LZ+yWmpZDGhXCu8GXxULFU9J/d ZtZXqRSkMvJ+62mBrPvMWbH49MqqMFdY3dcVmuEuYPV3fHsnj+Dc2bk+DvJamRDvU3cR vkFXwv8w4Hc6Q4VE4HhrxBRRIFdHORP1xH0AZZKnRtMGwLFtGbAicbQsKH7TXrzihr+n PsLA== X-Forwarded-Encrypted: i=1; AJvYcCU4sUeMZrdWPRdJonz/TRF5KL3ackRpFKme9YHY0vFf/5eUiRofHSZtmjxrj4u71YE/Ivqw3QAw5YxE9glb@vger.kernel.org, AJvYcCVtVGWGV3bDF6OGpHmd6k8aK29fY1okh6fa+G6tgC0ZV2H9DnlA6zuuiEGULOx4c6iQoP64e4EPpeKI@vger.kernel.org X-Gm-Message-State: AOJu0Yz8u8SoEXWsZHbHdWYQcQFjIHIls+avbJfHV8fBSLPf45bAm8GE LC0yThTPS29tGTVehWKwDQ1CxBeNLVLhG8t6qIRqTwO/0riTsfNx X-Gm-Gg: ASbGncswgFK6OWiij27ktx1p7YT7e46eA67wI4GD4r2Yf8Rb5gegZAkgeCKvFKNTPV/ 082Qa3u8ZyQpY872EKDtpiyHtKCPpil4UHhXd4KUs4iU7ts7b5H3CAiYjWei0qLy4hFEOkNs0Yw ThtAV1OM7eoS7x8o+Ky4OumXWG3YTKLgV0kDGD9BA1gag1OburF5o33aK/bmgzkYGUc1RTXb7Ew RpBg/SP8G11vi3YRxLiWMvDFRFi/VhGMyxPhA1CXEEtQE4DNS3LyriRvG+SqpzIc0m/Mbx1cz+m QDmfiMIpibx9p7VwXQ== X-Google-Smtp-Source: AGHT+IFxQ4Ivq08K8LrxIkk5hOu/VGJU5dDZWvlSYladnojjeQ5WKVi4wfPpJBQPRW5j1JaNBUrmfw== X-Received: by 2002:a05:6a00:1405:b0:72f:590f:2859 with SMTP id d2e1a72fcca58-7329de89652mr10240013b3a.13.1740054162588; Thu, 20 Feb 2025 04:22:42 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:42 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:47 +0800 Subject: [PATCH 6/9] arm64: dts: apple: t8010: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-6-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1352; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=Dfmhksd4L1Rm6h/PJVjQgqmA7UT/Za+zMY19qrFBfHE=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5+wn0P0SXuQNu2JS2xVr8rjG8vCoLlcQzwi opsrQdgCAWJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefgAKCRABygi3psUI JEL4EACAPtlVi56MJnkSWjiiuqtsp4bsgyC2CktAZL/zOwsaKSd2Dn90xh3+V1FfNcE5TYiQAQF yiA+2GxSaYsRXwLtppeOcOy7c4kRz786SjO0P0IVCCvZdSH2M5v1p5E0qV2i/FYCjUFrKoEdu6p VqHZ7kyEkGYsP/kC3k8IjyTX/qGkbY9rADnqCTkbhsVXIPXxqh5g2H62JHzGBzre6Z+K4A2HwWX oDNeff1Ii1L/VKU6OUrWw3v0K7TLsTM5Y/4oEumBJIhQ52csRqK1RJRBVCQgOga1sU392gi8gJr CbqEOhJn6lJwWPEvfktgbcJZ0Gjl/CqokvZS5/1R2b6Q3MqWV8A26pX6L8sB0WqePolyLE10f+f brZvtDdDkpKWZjP5UiksQarH+u1XHUlOn0QHVsviZss08665e6Jro5RNqzwOJTgVKpbwcpGoJdu GEEJ4zH/MUWOWf6wt/iTN4aHb8Ut6T2cBwFA1ZB1JAxut6guaBAOou+KcjcB8FHw54ho9XvkPUQ a3WKAzu5ZuzLRu6kc8wOny/DtET/ytishoRxnhn9QuHqh1SRHkLWyTeJZAL6jgaSlQXCFr0xh9O 6H7FrEKfXjcOVUbq+aKNPitMObxHRsG9GIIwnfpM50orSS7+WptaB6olYcmA+J5Pxn8YBofQY6h KMQ044wHohMUA/w== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in the P-cluster of Apple A10 SoC. Due to "Apple Fusion Architecture" big.LITTLE switcher, only caches from one of the clusters can be used at any given moment. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/t8010.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t8010.dtsi b/arch/arm64/boot/dts/app= le/t8010.dtsi index b355d443ee476e7c98b352470e3b1b5d0fae7652..5d24da52cf255b6ad211d2ac40a= ad75a6194d595 100644 --- a/arch/arm64/boot/dts/apple/t8010.dtsi +++ b/arch/arm64/boot/dts/apple/t8010.dtsi @@ -36,6 +36,9 @@ cpu0: cpu@0 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ }; =20 cpu1: cpu@1 { @@ -46,6 +49,16 @@ cpu1: cpu@1 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x300000>; /* P-cluster */ }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BD161FA177; Thu, 20 Feb 2025 12:22:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054167; cv=none; b=L74lGvZylPzr8aaSSuXgquPBzgHSmrHcDOKwL67Q8mEZayjg0rYE6wCsSJmMfD5ec0oBO5WseOyxK3dTn4wtP6l5lA3Y/NJqm1JKNE0t1r7sVFTIWGZ2donuCesgZYaRg1dlV4xsehTCGASuqNjuh6beERFzYo1BUSrWtSnMtPI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054167; c=relaxed/simple; bh=zI2mU3THGBI/qZwjr8HPXhOqtbnEjJ7My15CsvuB0w8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QyFlKnNslIT1fHJjIztYwrAXCnpQTsNu+cr+Vo260qqfWPuWosyIP3JaR4Fz9/7GoGU9QXykTskRHkqUMrvoEN/O9yBq3n6k1peO7l2ZRQVV73FpFsnta6INxCu7DyqxjVzkKF20QfAWVTlr+Za+7OgBOQbr4uKpTpS01Dfos44= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=KtrK0iBM; arc=none smtp.client-ip=209.85.214.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KtrK0iBM" Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-220c8f38febso15629505ad.2; Thu, 20 Feb 2025 04:22:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054165; x=1740658965; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=06j6RtBWf/SB9XKP5erUkzRtmNKED/ygWJtIdZVtIY8=; b=KtrK0iBMEmFHVOZ9A/u+akMdMCDPnr72soJhr4uPvWXqyRFf4pKEXOeqzk2rJZ6T8L IsxAGPLJ42swTL+NqK0ZydPFgYY6Jc2OQJKRdgobBzavezWBlY1KBIOY77ObPmKYdScC toQwPuDxg9AFJma8cFOi5x5OBYftNjALL1hBdxoAHIUQ0qKXq3ChDuHopiqpn06SR9cu uBeD1llOEazDjtxsOHjdN6gSpn1Mjr3ZL0tLxtERyu3c7tZ5ZqkgHHsOm/uEW+CrBVCo UjLVPLAR7uZuxCcCAjevWeL+Ie7AIy/fB/LPcbbuHgIpSa9uMLmPxkf1yxpyfaRsDX9E VYOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054165; x=1740658965; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=06j6RtBWf/SB9XKP5erUkzRtmNKED/ygWJtIdZVtIY8=; b=NU9D8lUqVzDhPmzh9v1bzmIMeJ5sn3njOJKoJyCxe3dpnCC6QfF+2lZgzo5s9b9TJB f8gMMaep+TYZ4VZ5ZYRxk2mga+JKqx1f4Hp1uLb/8D2bZd68WMvOD+qgvFXhwxSqGDV9 CLPB4vGP5R1NZ9CK+ayXa4nyBEdTpzqFPFANGw/yh+R+AC1zCE8TWo505zebCZUPBPvZ iyglFFB7fxYhdhN/xBarVnFH5P6PQneGQyFhdY/o22DmXj8LVjHNXqxVpdacJEpULIbh PIv+FTSwcw8C2tEXWr6ldYle4EEuiHEi7wE3HVBBkQ8z4vdoa3Wh+evm0LHrMcmXLFAS T6qA== X-Forwarded-Encrypted: i=1; AJvYcCVwTmdBcLWEV47gIia82ZyNG86w89IvNsAgh/pFCtMhiU9ljw/NUz+UiG7xBp9OmMvec/WOTSbrf6tw@vger.kernel.org, AJvYcCXK0XBqa/W38xNq48+RT8PulTScMxQ+fqIIGjR6nFfLIQQCMKOaFMA03QBuQoL+0347YOvAyaWhhIbfXbov@vger.kernel.org X-Gm-Message-State: AOJu0YzZ4ZuTzXHIOZRM/eM9VwhQnxW7lybqgQvIUijahNP+vZPJYwBi qA/geUZsmrileq8XiuUqiRGXzODykOCF49nViusQ0Af9mtIv3hLM X-Gm-Gg: ASbGncu4R/O1K7Acg6+oF2/bAUU+LRWjiaYX4yZrdUI3Q/ccKY/jBxE4VZfbXN9BKvB UPi9z7Fb4bip36Cdg/kTDHp7LWw+AjAhX16QLaoRQH6oE4yC2ye5HP4szGvz+juq0noZ7K5Oleq 0KQ4E5ueddHrUI2fdxQmed9iMuyTXaDTciSpsBYyLbc4XaXhapu2PggW4VLFZg71Es3mSUaY2zW x+V3shoRSHU+uoX5GcnfImmLWgy7IZYkUMiMQdf8VcpIrbcqlOguR0c1czdl42ALDB3cqKQHrn2 kBmhuK5og7bK2bs+Iw== X-Google-Smtp-Source: AGHT+IHX6zQc8fZnaNaePdFLlfV/v0LorrLqzr3llooSCuG/RxxUTULc9mi7JINEeUMKLM90DGF+1w== X-Received: by 2002:a05:6a00:190e:b0:730:79bf:c893 with SMTP id d2e1a72fcca58-73417248c3emr3713491b3a.4.1740054165339; Thu, 20 Feb 2025 04:22:45 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:44 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:48 +0800 Subject: [PATCH 7/9] arm64: dts: apple: t8011: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-7-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1642; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=zI2mU3THGBI/qZwjr8HPXhOqtbnEjJ7My15CsvuB0w8=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5/AKj5vauHYhz3DfFfIX2pH9PD+H337k4Uk 5uSEa5+wZqJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefwAKCRABygi3psUI JLuhD/wM4qvX5zEl3VWs0aFrwG2bhjCQ4fsHzRIbMX4t/QUJiSFPMj4aZzuijF356s9GNDgoDKn EZ5g9VoT8Dg+98rBT6uqeHXj2L6bHTcyTiy9t4xY/NhaGE4ypIyshyoNL7DiUsC6fy1YGWi5rcV McmYeWDyZo5ViKj7VYF30kYsHNSUTArkp7AdtInWMs5AKNbryuLtLsqDAQhDxVV7r5/IKlDHWB7 7502iVR24IfrXOjvIhvCn07cvdTVFMXOtXWTkO8KwI7BagcMRBp+R5mSjvD5n3kadAe1KM5CoZk LdlYuMnzi2WEJ2SD8ITlgPNpmxbRMGtn6UDc7zAUn0WehYWBKImzKTbfha7a5140/utSUhgl9Zp ctahKcWyNgZcP2i15R6XNk+K98qnNc6Fq+QGlv0g4RsgLyQPPZt7WGdgMxTuNiRxkYvlkLt8r4m JiNtxJ2Tiy24xVvz00Av9kuXL5prj87h0s+4jqVB6ipQYpbyK/PlgfISQwBkZmxB1n1pYktm8Ck K1/1xOEE+YEDxlu/nDUXDQwjsi/KMePbGRLq31s8deKjKMxTm+zYyCyQbpFVj9DEh/2XoUXVo3k 1xwujG1l5vIIYbNrqcVuuqRLTs0pBohjQbv0NPnsJad4wv/9+zN1NwWxsAZsfj4MeK1pF4xY6Ob Q7UxJoG4IhI/Q5Q== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in the P-cluster of Apple A10X SoC. Due to "Apple Fusion Architecture" big.LITTLE switcher, only caches from one of the clusters can be used at any given moment. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/t8011.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t8011.dtsi b/arch/arm64/boot/dts/app= le/t8011.dtsi index 5b280c896b760dc8b759bf38dae79060e34dfc19..974f78cc77cfe28d3c26a52a292= b643172d8f5bd 100644 --- a/arch/arm64/boot/dts/apple/t8011.dtsi +++ b/arch/arm64/boot/dts/apple/t8011.dtsi @@ -36,6 +36,9 @@ cpu0: cpu@0 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ }; =20 cpu1: cpu@1 { @@ -46,6 +49,9 @@ cpu1: cpu@1 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ }; =20 cpu2: cpu@2 { @@ -56,6 +62,16 @@ cpu2: cpu@2 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x800000>; /* P-cluster */ }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C303C1FBEAB; Thu, 20 Feb 2025 12:22:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054170; cv=none; b=YV/DzKUoFeECz0EBvl4eLZss7PK9pfA6NrQ8PZxKJwxyZb/zXM/WMASDMr7yZn0fXNfb0+9DTNGbK+DxqqI28QmUv+sW97Sk8w2SMgVOEwdQJrPrfdBwNHfiKT42WZMPYJULGyluFfKzOQIIxNKYVqXbTjBlTqjzDHf3pmpiYXQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054170; c=relaxed/simple; bh=G+mx3kaje+P3ZyUO/ditIxszcN7HViLpZE3JAiY3KS8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZqkqZsQJH842oeG8N1SLr+sJvq4P+hElIxnMhf4xAStQucYie8Ly8+lsffqppi2M4i5PRKLJfb3fCyW8Vs71lNb0W67Ehsp2X6/iznHtu8uFGu19DZWhxBNMFTplA2vZ3ecaWrNieUx9mdz7uNK5r75eNeIkqd+WMTlcX6ujVbo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=PQ3dM2nm; arc=none smtp.client-ip=209.85.214.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PQ3dM2nm" Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-220c8f38febso15630535ad.2; Thu, 20 Feb 2025 04:22:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054168; x=1740658968; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=3pPkPkgzwh7OR3QLmRpEkbwB8adYmbJspMBYICok07c=; b=PQ3dM2nm0wSZDUqXU5wFKxtNMRlMYe9R/sriQBKanurEUOQs3O+cHPqA+PA4uHzrl+ EadSvHn8EpyemMhnhGdD4CjLPWQEP+KymVmKySKsrIfmIbwxTbM5xszaV9CXvwN6OIsW KriscQz3wNSK+5BUR6t9wrFEJb1Vx1YyG7RvVK7UalM39TNc8ay5x45EVfMOSL5kTQo2 zQMKSxDaZ56L6nIHXIeMJzuIQf7dbiShSYlQbqiZQRPK+LLHDpth3wpJNcc5bnek7Zsj kkiO3UGf8uHvEak/ca4d4Z2uKLEb4BfAqwZS3oII7vh1B4zCn+SoNqCK5tCo1CogFz+K Nv+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054168; x=1740658968; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3pPkPkgzwh7OR3QLmRpEkbwB8adYmbJspMBYICok07c=; b=Q/N1xHmUQM7zIlb7bjM9L0JjAOnRyEpZHfD4Yd2wd8a0da6SCqi0EQjUvhoF9zZO6K /5I2fl23m77D/F6Wm8yCCUstOULTWgVGeGhrJ4lD4IxTxW9AS4D3aRZnreuEQODdYhMa HmV4Azbf3KBiTN/qdMYm4XKJCxtz5kNXvh9qSK2FeeFGadfMAXp8tw/vAngf4uNdi/Ph nqDopvKqvK6oO+yt4ekWrC0rwayV2FLAMlT9lEpfUoZQRsnBOEql33zp3Z7vtCq1l4FT 9W4Ehj9cgnUDK8pBAE4FQm7b4SAM+vj7khx7tk8mCel17WU9cBXbeJUYyRfrB+WpqA5p vGAQ== X-Forwarded-Encrypted: i=1; AJvYcCXXohqn4dJLnuZpguxjenluRecGe5bhnjQT5uZ6z2/XXc5z0IPH1uh4WJgll1dj8nPu8vvDBQ0isMGSkOj8@vger.kernel.org, AJvYcCXkWnmJbrJ6UOA5X9cLDZ3J8MjLRovJ4dFci8gVIWRyWrrJxFd4BobgIcinrlgaop7gcv4lRUgClv3g@vger.kernel.org X-Gm-Message-State: AOJu0YxqtsCSFxVTe1fuhGiiLiIEal/PGbThPf++eKFZoEbalz+t7CKt ed5OdzBe6KdNelQy8DQ8syDV3InVX1G2W5A+jytJQXSVFkjRmoio X-Gm-Gg: ASbGnctHxCMOG6w6B5+a68NDw+a35YgNWWT84kEPey6lm628lTd4a8KVyuMnQgvX720 d3ToyMslBHL9Yo4Hl3fwm2BcyItv38Bx7kDlOdnJ6UgJSoFjzIkdsYC9eeUCoXyU9jwpdX5BGjd 2r0ez/S0eqkACK+2f064dnv5QxSRxyZYWlAHjLCEFtV/OVTAuEFcG1ReiQJKe4MtLZs1BIk69ko F0peNtc4B28LqK15FnqXTj7asuYn5tvSXBQl1gEGor9ypA9RAbSMD5hblnU6rJ+0dPKgvh3De20 V+KDrrHWrPO70SOD8w== X-Google-Smtp-Source: AGHT+IG85l5eWD/ehvahhU8yOCbGoLnCSNPdVSu3+J6g3K5WKnhM9iZZ/yg1bN3TtK4C9Qa6bRevFQ== X-Received: by 2002:a05:6a20:2d23:b0:1ee:e439:1929 with SMTP id adf61e73a8af0-1eee5d68e2amr4689789637.30.1740054168046; Thu, 20 Feb 2025 04:22:48 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:47 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:49 +0800 Subject: [PATCH 8/9] arm64: dts: apple: t8012: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-8-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1363; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=G+mx3kaje+P3ZyUO/ditIxszcN7HViLpZE3JAiY3KS8=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5/L3429r7pYcCYbI4Ok83LdV+FbS1dAwtua kdgMttCz3+JAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefwAKCRABygi3psUI JPnTD/99BMzSdUN1zSDmpMt9J6sLssoVIIAofLDDFZqY3AmmImgCPmW7/4gTCH+RCSjCoA1unC/ DqcO8Lnz0OgD26lYrPdJeRc6O6lUVNP+YQSD1P9HN6VLxf5X5sP2F4mCKCG5HOCmcziKY8VeuHh oPT/rwbRPyLePLHNW2jmRFlIIq8c1o23oYqeyONp8lGuorFuR8ePgu+hZfnEh+mBM1LazZXZbVE uR7mJURz+Lf0DS+EjKq08ORExS+L5PBtDq5OpSzhiPAB/A2iOTHBeDqfYBhDHz17WIU8IvjNj9O siP8Gjd9U3HyM6r2268VUNM1KrXIh+HCXi2LjCLdLrBLQfTTKRg1PBGY5JthVAP9W047OGdVc9X SIotScz2fOpfG9KFcAwnHzVnTtO5gHClX/afXr0VVceter2NR7O0vuMsGcgHGYbPKdeJUAmr/ZD wCKG0+RtsFRIy3Voil3yojqW6mAsamyzGLvS9h/FYwy+B9fANXJ0/vQW2kvZesQ8AZqiuRvQnJD pV6p3042PGur6NR4zljlyXgnPXJOI511rlsZTYRgP9ZCzghQnV60fJ1TIY8r91EErCrLtjBfIE6 xoaqB9RrVcULQ9AgtHxxIgo6Du6gjBHBcsq1quAwEWei9SNEE2KB+ttkBl0ChRhuKmrMhBd9uTW FBcsHjWvsE5DOVQ== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in the P-cluster of Apple T2 SoC. Due to "Apple Fusion Architecture" big.LITTLE switcher, only caches from one of the clusters can be used at any given moment. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/t8012.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t8012.dtsi b/arch/arm64/boot/dts/app= le/t8012.dtsi index 42df2f51ad7be4c4533e76d18e49a9a747b6b7a8..a259e5735d938cfa5b29cee6c75= 4c7a3c0aaae08 100644 --- a/arch/arm64/boot/dts/apple/t8012.dtsi +++ b/arch/arm64/boot/dts/apple/t8012.dtsi @@ -36,6 +36,9 @@ cpu0: cpu@10000 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ }; =20 cpu1: cpu@10001 { @@ -46,6 +49,16 @@ cpu1: cpu@10001 { performance-domains =3D <&cpufreq>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache>; + i-cache-size =3D <0x10000>; /* P-core */ + d-cache-size =3D <0x10000>; /* P-core */ + }; + + l2_cache: l2-cache { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x300000>; /* P-cluster */ }; }; =20 --=20 2.48.1 From nobody Thu Dec 18 16:22:00 2025 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA2AB1FCF6D; Thu, 20 Feb 2025 12:22:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054173; cv=none; b=Kg6OjI5+SOplvaquWt75AIKTsnGQdoUPSVZLjbSgxM4gEev681fL29UnEvD+P2pET4akizad6e5UuAffp6WAMqO8MPkyCHOSAlusqbYdZzO7g5WLjQNZzSfIScN1ZoMy8LGVyJqxh9Z0YarZpV10adq/fq/D3yFb0id7QZ84bpA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740054173; c=relaxed/simple; bh=6VGsP5C1mUSlactoow//Nl59ChZ/SauVCkyBSv3d3Es=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=i8kxbcGzBaUoe+CZ1QVnt6ru149wWas2YgKMC5PdcKv1hP69Hii4RiKRmZb2GPNMephfnHuSzaNpymzahLc7ACIfn++YOEOcoTubwaibjREiepjVs1qwmgkK8psJzvJIVf/EdYkAWHYb/kQ7nIiUcUe+E/a1dcRFEI1B82J7ayc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=FHS9/tda; arc=none smtp.client-ip=209.85.214.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FHS9/tda" Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-2212a930001so21229375ad.0; Thu, 20 Feb 2025 04:22:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740054171; x=1740658971; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=12zqbyR053JAU8mkDwPrvzWGvMGsApTV6DX35umkTV0=; b=FHS9/tdamhCJpF8ymzVeq4v9SjTg1/KkdvqHz4TEkScCiQhqBPvbNdheDRYmsonvkk OG7Erzt/6zweLASB2IzElJJlHpzrkKm+Oh83pDCgrW5d+S4FVXpjdG1nFZ9KXleqkbhf JjY6phRT6LmYrHL3vBUAsY7UYF2Atnldi/AuoRWPkKy0VIhryYUaS8LIo2DqqsTnqvxb g2KI1SZ+wjQddZewQnTFzGwhwl0VDe+qsnPQpOyncbBMV8QASqAGHf+k+NB1EJ4bpvlp jeyth3+NPQQt7N2zbZePIp1GJqSYc+ncL0+uFu9l5PIYNmDumzrf56d6nG7NluautL76 z92Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740054171; x=1740658971; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=12zqbyR053JAU8mkDwPrvzWGvMGsApTV6DX35umkTV0=; b=S4LGKH1d3qDfy/7Y4OGUulpwCG3gLxiSxxXxnGh3Ne7uCLcQIpoUaG92J9t0NoJ44W 815ep2uWmmbQTHUMk4JC1ph7AfqflyErHbdf1VMMkelsjdwS6qvQmE0Orow7iWWmw6wQ YSSDejE18b7PJ8vqhfOWi+nxlJ6MU+gq7tBejFpIUIbongVETE4kaBQhjaR3LDWnjjZk 3wf0pmkVM5+L0HXUcJfdBfXQElOCooL3CuSUKFfc19WapEHfACbfoGaU9O3NITocGGC7 ORQgZJOMVReymEI3ImMlOZBl9ZWE1fl9zRh7AenyZ6kGhRLi2laUx4HUGbvK9jQN8m0l 3JTg== X-Forwarded-Encrypted: i=1; AJvYcCVgRyha+HCnZRfHeXTXSlg67xkisF+PJOMHOiEye6BLVesKWmnObS4sis3RhS3BTxQ1c+BJRzV1rCQ2SklB@vger.kernel.org, AJvYcCXekom/xm74cANvFeZPu6fGueJZTlkCRfR0l+Lj3COSEXuFJ3ZsYkpFjEyiTLlfTUpyx6ku1uwJVB8E@vger.kernel.org X-Gm-Message-State: AOJu0Yw7sBMOF7LBDUJhn5k+/fvscJl8DJsxI2iuBFDH2nFjjruKDpVu e3LUT38rMysBzDB7EmUFjb6z8FINw5KMU6rUkgRCf+4v29zGDoC5 X-Gm-Gg: ASbGncuC5nOcQAJI1SwY2n8VTNLH8otsIl5m3Hao/G10X0c1gZktZC5OyMWPdkXZOtu N1jj9093QOtRGUK07JdOy0eDNL0LdxWs/u0DAAn5nS6KXE7l213CG9SpC7KJCxMZO7X0SPnDcuu FqMPJw7HcNzis/Hn7JC/YjnvlYylEZfC5+HGO2rDMii1Zap+VNgOzhmwVrXm8rlFe0CgkA1entf 9G2z9qsOAlJ5RnKmlC5IOMWQFTuLxbSGUcgIdlssZlOt2e0FvakY+TmSYS8uQfwBH9qiR/Virux H1yiDEGVrPHeTtmT5w== X-Google-Smtp-Source: AGHT+IHecW5Y8kLOhZQX6jvzcxU97SSW2l2zlY2HIPmfrm2xzYaS1crMHnLcc7ZONqRqQQAfBj/B6Q== X-Received: by 2002:a05:6a00:2195:b0:730:8f7a:27f4 with SMTP id d2e1a72fcca58-732617a4a79mr30414248b3a.9.1740054170797; Thu, 20 Feb 2025 04:22:50 -0800 (PST) Received: from [127.0.1.1] ([59.188.211.160]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-73242568146sm13653149b3a.47.2025.02.20.04.22.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 04:22:50 -0800 (PST) From: Nick Chan Date: Thu, 20 Feb 2025 20:21:50 +0800 Subject: [PATCH 9/9] arm64: dts: apple: t8015: Add CPU caches Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250220-caches-v1-9-2c7011097768@gmail.com> References: <20250220-caches-v1-0-2c7011097768@gmail.com> In-Reply-To: <20250220-caches-v1-0-2c7011097768@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2355; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=6VGsP5C1mUSlactoow//Nl59ChZ/SauVCkyBSv3d3Es=; b=owEBbQKS/ZANAwAIAQHKCLemxQgkAcsmYgBntx5/a+YVG+deJ0Nr2fwotL1kKLBzPkzU5tQy/ qTpx6SuLeiJAjMEAAEIAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCZ7cefwAKCRABygi3psUI JJ4HD/90gXqkkbacSqy5KnE+w1N1e31n0JOSxIazQ6ex4qCut08tkl4/4KKfQDTqLWx1bRmC6Ro BmJ72nqMXNsP6M12MwndhaKXtHVKtcsIWpufScOZGpnV7BK4MvF/fM1E+EomxRJJ95oDr705j3v JSsQCHYKgbBOoZnFdvrwIOLAZPgnEsGptOFsYmC1cqvi5OiLLs1woYnHJxahOGmEFZzXvTUBxby /PrxQp1Hbu0gW6U9zfU5a6QXh89b0uhBcZ5zeHN7jv3ndXBZzLYsyhGk8Ic0+qXtJ95VxPuZ4u1 1rJPybeizYGSW+ST6G2QZ2hV/5bExjrdN/nBMlqX0oU+xpLNyzXiGJEvgtR0UzmIq37wYsk9MWn 3s3N1AP6X7EDFTHNzyB2ighs9yEbCw/eLU0bMnD1xBZmE2OhDPETVqR7bqRRXuSPdLaOMRA6pgf HXT5FXDhki0kb2nNMQ84RNR2sBzxpkmWz4uHGC/uoHN/49fVrNU6x3f41xvxD6Gy38vbVZNkEQN ocUA/F3Ij1urqV8xYarinY23Z6KMcUjrAn8WYHP/GkoXI8j0fCUBalljbFeRg7tVdrgeXokUbRp 3BJpcctT9Pv3GSoINdIB6YMreZMtr/3S1Svw+v3/a9y5CtF+IOViydTL+qlyZwgu1AB4RXYUNJJ tnjIMwLFCCG3Zgg== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add information about CPU caches in Apple A11 SoC. Signed-off-by: Nick Chan --- arch/arm64/boot/dts/apple/t8015.dtsi | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t8015.dtsi b/arch/arm64/boot/dts/app= le/t8015.dtsi index b68647bebd20782ba7a125e670b3264c184b62cd..138073dbac3c5a3ec495b078b37= 14cf800b471dd 100644 --- a/arch/arm64/boot/dts/apple/t8015.dtsi +++ b/arch/arm64/boot/dts/apple/t8015.dtsi @@ -63,6 +63,9 @@ cpu_e0: cpu@0 { capacity-dmips-mhz =3D <633>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache_0>; + i-cache-size =3D <0x8000>; + d-cache-size =3D <0x8000>; }; =20 cpu_e1: cpu@1 { @@ -74,6 +77,9 @@ cpu_e1: cpu@1 { capacity-dmips-mhz =3D <633>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache_0>; + i-cache-size =3D <0x8000>; + d-cache-size =3D <0x8000>; }; =20 cpu_e2: cpu@2 { @@ -85,6 +91,9 @@ cpu_e2: cpu@2 { capacity-dmips-mhz =3D <633>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache_0>; + i-cache-size =3D <0x8000>; + d-cache-size =3D <0x8000>; }; =20 cpu_e3: cpu@3 { @@ -96,6 +105,9 @@ cpu_e3: cpu@3 { capacity-dmips-mhz =3D <633>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache_0>; + i-cache-size =3D <0x8000>; + d-cache-size =3D <0x8000>; }; =20 cpu_p0: cpu@10004 { @@ -107,6 +119,9 @@ cpu_p0: cpu@10004 { capacity-dmips-mhz =3D <1024>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache_1>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; }; =20 cpu_p1: cpu@10005 { @@ -118,6 +133,23 @@ cpu_p1: cpu@10005 { capacity-dmips-mhz =3D <1024>; enable-method =3D "spin-table"; device_type =3D "cpu"; + next-level-cache =3D <&l2_cache_1>; + i-cache-size =3D <0x10000>; + d-cache-size =3D <0x10000>; + }; + + l2_cache_0: l2-cache-0 { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x100000>; + }; + + l2_cache_1: l2-cache-1 { + compatible =3D "cache"; + cache-level =3D <2>; + cache-unified; + cache-size =3D <0x800000>; }; }; =20 --=20 2.48.1