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Tue, 22 Jun 2021 13:02:02 +0000 (GMT) From: Alim Akhtar To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org Cc: krzysztof.kozlowski@canonical.com, linux-samsung-soc@vger.kernel.org, Alim Akhtar Subject: [PATCH v2 1/2] arm64: dts: exynos7: Add cpu cache information Date: Tue, 22 Jun 2021 18:35:50 +0530 Message-Id: <20210622130551.67446-1-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrAIsWRmVeSWpSXmKPExsWy7bCmui73g4sJBnu+C1s8mLeNzWLj2x9M FpseX2O1uLxrDpvFjPP7mCxa9x5hd2DzmNXQy+axaVUnm8fmJfUefVtWMXp83iQXwBrFZZOS mpNZllqkb5fAlbH/1RzGgq+CFUdvKDcwvuTtYuTkkBAwkWh93sbexcjFISSwm1Fi2qQeRgjn E6PEpolNbBDOZ0aJne97mWBadt/7zgSR2MUoseRGCztIQkighUli84Q0EJtNQFvi7vQtYA0i AjESD/fMYwWxmQUKJV603ASrFxZwk+hddIsZxGYRUJX4O2stC4jNK2Aj0d35nR1imbzE6g0H mEGWSQgsY5fY0HwE6goXicWdq1kgbGGJV8e3QDVISbzsB3mIA8jOlujZZQwRrpFYOu8YVLm9 xIErc1hASpgFNCXW79KHCMtKTD21jgniTD6J3t9PoDbxSuyYB2OrSjS/uwo1RlpiYnc3K4Tt ITGp+yULJBhiJU48Wco4gVF2FsKGBYyMqxglUwuKc9NTi00LjPNSy/WKE3OLS/PS9ZLzczcx giNdy3sH46MHH/QOMTJxMB5ilOBgVhLhfZF9MUGINyWxsiq1KD++qDQntfgQozQHi5I471L2 QwlCAumJJanZqakFqUUwWSYOTqkGponb/uqHCFvpKGnqbhNYpjLVMvXS0UvGYlWHMx5GnAkp uv/u8Z/ElsCXj0o4Y8268z/PP8Y+Mem4zR3pVNcM/ZMPnMwsGO9m/75Q/YP12/PswMxrHVtc z30SqyyQPpz8YPM+wZIKd3vmwu03j17xedd+I9DgS9OyPb6Kok/vCe2ewbM7SeLt6ZAI8Qxf xZ03ExRnOxw1C9BilL+nYbPXdNPfucs2Kn7if/5mo6Hjh0XHgu89DLkofdObactM2RdzRUzd xTi9y/9KLDCYxdu16qzu1T4Gs59vZn0RFPbJvb3nbnrtO6+62WtO+4nobLN4/zns3Kunvmlb 3l2tlJtw+P+/VIa6/23SfZfdenesXarEUpyRaKjFXFScCABBGCO7YwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrGJMWRmVeSWpSXmKPExsWy7bCSnK73/YsJBvtWilg8mLeNzWLj2x9M FpseX2O1uLxrDpvFjPP7mCxa9x5hd2DzmNXQy+axaVUnm8fmJfUefVtWMXp83iQXwBrFZZOS mpNZllqkb5fAlbH/1RzGgq+CFUdvKDcwvuTtYuTkkBAwkdh97ztTFyMXh5DADkaJu8tPskAk pCWub5zADmELS6z895wdoqiJSeLC0gdMIAk2AW2Ju9O3ANkcHCICcRKt66tBTGaBYonTv8Aq hAXcJHoX3WIGsVkEVCX+zloLNp5XwEaiu/M71Hh5idUbDjBPYORZwMiwilEytaA4Nz232LDA KC+1XK84Mbe4NC9dLzk/dxMjOGi0tHYw7ln1Qe8QIxMH4yFGCQ5mJRHeF9kXE4R4UxIrq1KL 8uOLSnNSiw8xSnOwKInzXug6GS8kkJ5YkpqdmlqQWgSTZeLglGpgSp24JLh4f3rS4ikLZix7 /MQxPWtytOrRQ7POMDPq397G08ltKaA/raxH9XLQoaPSiTcDKu/GbRMJF1397++H60smH946 8Z3ArFY1teJ3JS92/4lZcc/t1oIFmxzkf1kcq3M0U96UvUxk4wH7gsTHXF3vz+r4RDWtjXgX 7Gk4sTq8pbo5bqvyvYflfhl76zbkbE/grpryafuTsh3zbjNMmviw0ZBrg43FUXlvVyt+Fb0P 5y1XMDq+PmG0mONa13Gu6c83bb9bJhQimyn96pRF+WaHTeXHQkSWvvjIIfBdlHVycjHze6XX JgwChysZDj1crXlo13m1/8++ip+ey9st77i5YIXymQ5R4/R7G5+aBCuxFGckGmoxFxUnAgBr bFoMiQIAAA== X-CMS-MailID: 20210622130203epcas5p48a3111fc6586b1bfe0bd3cb90f783ce0 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20210622130203epcas5p48a3111fc6586b1bfe0bd3cb90f783ce0 References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210622_060521_300708_0F3167D0 X-CRM114-Status: GOOD ( 13.09 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch adds cpu caches information to its dt nodes so that the same is available to userspace via sysfs. This SoC has 48/32 KB I/D cache for each cores and 2MB of L2 cache. Signed-off-by: Alim Akhtar --- Changes since v1: * no change in this patch * changes as per Krzysztof's review comments in patch 2/2 arch/arm64/boot/dts/exynos/exynos7.dtsi | 35 +++++++++++++++++++++++++ 1 file changed, 35 insertions(+) base-commit: 614124bea77e452aa6df7a8714e8bc820b489922 diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi index 10244e59d56d..8b06397ba6e7 100644 --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -54,6 +54,13 @@ compatible = "arm,cortex-a57"; reg = <0x0>; enable-method = "psci"; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; }; cpu_atlas1: cpu@1 { @@ -61,6 +68,13 @@ compatible = "arm,cortex-a57"; reg = <0x1>; enable-method = "psci"; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; }; cpu_atlas2: cpu@2 { @@ -68,6 +82,13 @@ compatible = "arm,cortex-a57"; reg = <0x2>; enable-method = "psci"; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; }; cpu_atlas3: cpu@3 { @@ -75,6 +96,20 @@ compatible = "arm,cortex-a57"; reg = <0x3>; enable-method = "psci"; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&atlas_l2>; + }; + + atlas_l2: l2-cache0 { + compatible = "cache"; + cache-size = <0x200000>; + cache-line-size = <64>; + cache-sets = <2048>; }; }; From patchwork Tue Jun 22 13:05:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alim Akhtar X-Patchwork-Id: 12337411 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F108C2B9F4 for ; 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Tue, 22 Jun 2021 13:02:04 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210622130204epsmtrp23b2e89bed8b1642e1cd3b50ac14a5e57~K6RydbfNO0900809008epsmtrp2m; Tue, 22 Jun 2021 13:02:04 +0000 (GMT) X-AuditID: b6c32a49-6b7ff70000002504-98-60d1e01fc9db Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 23.D7.08394.C4FD1D06; Tue, 22 Jun 2021 22:02:04 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210622130203epsmtip127b62670911b16144070d4e71b809cdc~K6RxV8LV43046230462epsmtip1a; Tue, 22 Jun 2021 13:02:03 +0000 (GMT) From: Alim Akhtar To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org Cc: krzysztof.kozlowski@canonical.com, linux-samsung-soc@vger.kernel.org, Alim Akhtar Subject: [PATCH v2 2/2] arm64: dts: exynos5433: Add cpu cache information Date: Tue, 22 Jun 2021 18:35:51 +0530 Message-Id: <20210622130551.67446-2-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210622130551.67446-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrHIsWRmVeSWpSXmKPExsWy7bCmhq78g4sJBk2NkhYP5m1js9j49geT xabH11gtLu+aw2Yx4/w+JovWvUfYHdg8ZjX0snlsWtXJ5rF5Sb1H35ZVjB6fN8kFsEZx2aSk 5mSWpRbp2yVwZdxq2MJa0K9QcXF6P1MD40uJLkZODgkBE4mrd36xdDFycQgJ7GaUWPbnCDuE 84lRYuqcuVCZb4wSK+c+ZYVp2bOilxkisZdR4vWm1YwQTguTxNru7+wgVWwC2hJ3p29hArFF BGIkHu6ZB9bNLFAo8aLlJliNsICnRFPvO0YQm0VAVeL1rbMsIDavgI3E1HN7WCC2yUus3nCA GcTmFLCVmDTlEth9EgL72CVOfzjIDlHkIvFu/xEoW1ji1fEtULaUxOd3e9m6GDmA7GyJnl3G EOEaiaXzjkHNt5c4cGUOC0gJs4CmxPpd+hBhWYmpp9YxQZzMJ9H7+wkTRJxXYsc8GFtVovnd Vagx0hITu7tZITZ5SLT0pECCZAKjxPRPM5gnMMrNQtiwgJFxFaNkakFxbnpqsWmBYV5quV5x Ym5xaV66XnJ+7iZGcBLQ8tzBePfBB71DjEwcjIcYJTiYlUR4X2RfTBDiTUmsrEotyo8vKs1J LT7EKM3BoiTOu5T9UIKQQHpiSWp2ampBahFMlomDU6qBaf4uny1eiWmMLltN1+i/jeC9eclY 4O6xmaL/ZF7YHGlsZnR3lftpP9H7oVA964/pu0/mPrk18Z74rRePru89aZLkp3CxiOfUKf8V 6ufnWresydruvX3hyuXF+5ft3rjAYavpeuG47tClztoa5tVPP7w5H7zP98OLGexr2CUfzZgq 33VaSfhOUdnreQdWLsy5vXv3bb7ynVIv3j802/PtyOquVykNJyfvW8X2QVYy+1BlId+Zlyad Ah+Tk9p+XFCIyZ7+0Cx3QvZVpUnaK9MKHNNKztkrn5wqx3nk0hv2Q7FnZ+nutjjA+6H77tl5 hzQbKvhljLfH77t8e/8f96tdZwx3neiv1dl6c0Eob77kvLarSizFGYmGWsxFxYkAxQGma3ED AAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjluLIzCtJLcpLzFFi42LZdlhJTtfn/sUEg3nXVCwezNvGZrHx7Q8m i02Pr7FaXN41h81ixvl9TBate4+wO7B5zGroZfPYtKqTzWPzknqPvi2rGD0+b5ILYI3isklJ zcksSy3St0vgyrjVsIW1oF+h4uL0fqYGxpcSXYycHBICJhJ7VvQydzFycQgJ7GaU2HXiFwtE Qlri+sYJ7BC2sMTKf8/BbCGBJiaJv501IDabgLbE3elbmLoYOThEBOIkWtdXg5jMAsUSp38x gVQIC3hKNPW+YwSxWQRUJV7fOgs2nVfARmLquT1Qm+QlVm84wAxicwrYSkyacglqk43E4rWr mCcw8i1gZFjFKJlaUJybnltsWGCYl1quV5yYW1yal66XnJ+7iREcZFqaOxi3r/qgd4iRiYPx EKMEB7OSCO+L7IsJQrwpiZVVqUX58UWlOanFhxilOViUxHkvdJ2MFxJITyxJzU5NLUgtgsky cXBKNTCt49coLdsYZfvzmYZAZCIfzz7ByqPms2541n4KYLu/0+dWyW+28ocVP66zvrq+3uKi hc+MZXPu/b32dsF3IRNfoW5Om2tb+N5bZS+46zavqHGDlkbOlcdHfu4zK/fttf4h+PbOPxfV 7prNL62XSN8R6FrSV6P59870uI9zdh/x7eDavfR4xEz1VSUvo7Uq93NNszyrlOV8TedHusXL rYI72L1M1Nbde6Cp5DJ/RbjFg9QyicRY1ZgqM/5NKZKcke0bxC5/+S7z9XD195mTA7fsDPju 0C15L/o2243ju3o/XGUT3MWv5CKdkXk64/daqe2ptlXzeCbmPH5ZfeBLhrGStuLxmgNL0zW/ TQmvq0lSYinOSDTUYi4qTgQAUlcJN6ECAAA= X-CMS-MailID: 20210622130204epcas5p1192cd38abc4a0b49798355cecea9f763 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20210622130204epcas5p1192cd38abc4a0b49798355cecea9f763 References: <20210622130551.67446-1-alim.akhtar@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210622_060540_474784_2B16A98A X-CRM114-Status: GOOD ( 12.40 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch adds cpu caches information to its dt nodes so that the same is available to userspace via sysfs. This SoC has 48/32 KB I/D cache for each A57 cores with 2MB L2 cache. And 32/32 KB I/D cache for each A53 cores with 256KB L2 cache. Signed-off-by: Alim Akhtar --- -Changes since v1: * addressed Krzysztof's review comments arch/arm64/boot/dts/exynos/exynos5433.dtsi | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi index 18a912eee360..73aa0fa9b778 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi @@ -62,6 +62,13 @@ clock-names = "apolloclk"; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&cluster_a53_l2>; }; cpu1: cpu@101 { @@ -72,6 +79,13 @@ clock-frequency = <1300000000>; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&cluster_a53_l2>; }; cpu2: cpu@102 { @@ -82,6 +96,13 @@ clock-frequency = <1300000000>; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&cluster_a53_l2>; }; cpu3: cpu@103 { @@ -92,6 +113,13 @@ clock-frequency = <1300000000>; operating-points-v2 = <&cluster_a53_opp_table>; #cooling-cells = <2>; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&cluster_a53_l2>; }; cpu4: cpu@0 { @@ -104,6 +132,13 @@ clock-names = "atlasclk"; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&cluster_a57_l2>; }; cpu5: cpu@1 { @@ -114,6 +149,13 @@ clock-frequency = <1900000000>; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&cluster_a57_l2>; }; cpu6: cpu@2 { @@ -124,6 +166,13 @@ clock-frequency = <1900000000>; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&cluster_a57_l2>; }; cpu7: cpu@3 { @@ -134,6 +183,27 @@ clock-frequency = <1900000000>; operating-points-v2 = <&cluster_a57_opp_table>; #cooling-cells = <2>; + i-cache-size = <0xc000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; + next-level-cache = <&cluster_a57_l2>; + }; + + cluster_a57_l2: l2-cache0 { + compatible = "cache"; + cache-size = <0x200000>; + cache-line-size = <64>; + cache-sets = <2048>; + }; + + cluster_a53_l2: l2-cache1 { + compatible = "cache"; + cache-size = <0x40000>; + cache-line-size = <64>; + cache-sets = <256>; }; };