From patchwork Tue Jun 22 13:05:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alim Akhtar X-Patchwork-Id: 12337417 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 DC6A1C2B9F4 for ; Tue, 22 Jun 2021 13:05:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C27906113E for ; Tue, 22 Jun 2021 13:05:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231367AbhFVNHg (ORCPT ); Tue, 22 Jun 2021 09:07:36 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:32740 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229844AbhFVNHd (ORCPT ); Tue, 22 Jun 2021 09:07:33 -0400 Received: from epcas5p3.samsung.com (unknown [182.195.41.41]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20210622130516epoutp04e3b52fba3f57663baa2b6c4bded72848~K6Uk9ABdF1843418434epoutp04k for ; Tue, 22 Jun 2021 13:05:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20210622130516epoutp04e3b52fba3f57663baa2b6c4bded72848~K6Uk9ABdF1843418434epoutp04k DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1624367116; bh=dPOrZQCSv2QrpuL2mPyZh4ke2YDT+BDxwKav7Zhkndg=; h=From:To:Cc:Subject:Date:References:From; b=lDAg2aLO2J2nzHPkHMtTnXDLgsbm5rew07VS2D9AuDu9dTgiQLxWupZbYhAAy2s4p 7qWKsoAhwJhRl4mMDcHR6r973ihzy7U1FWXEQt/IHyOimWv7AotOZyA97va58O9NDv d3NoxG5KGa+xWJRNsA+3p7nhlD+Vn0eF4hVM9r9s= Received: from epsmges5p3new.samsung.com (unknown [182.195.42.75]) by epcas5p4.samsung.com (KnoxPortal) with ESMTP id 20210622130515epcas5p4f99d9844cf2845f413fe78692d6068de~K6UkCil9H1881018810epcas5p4S; Tue, 22 Jun 2021 13:05:15 +0000 (GMT) Received: from epcas5p1.samsung.com ( [182.195.41.39]) by epsmges5p3new.samsung.com (Symantec Messaging Gateway) with SMTP id 02.DB.09452.B00E1D06; Tue, 22 Jun 2021 22:05:15 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20210622130203epcas5p48a3111fc6586b1bfe0bd3cb90f783ce0~K6RxRcsAe1990019900epcas5p4r; Tue, 22 Jun 2021 13:02:03 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20210622130203epsmtrp1c57fd301a05e86ec3273a4b0a4299044~K6RxQyGGX1393513935epsmtrp1P; Tue, 22 Jun 2021 13:02:03 +0000 (GMT) X-AuditID: b6c32a4b-43fff700000024ec-95-60d1e00b1f8a Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 9B.A4.08289.B4FD1D06; Tue, 22 Jun 2021 22:02:03 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210622130202epsmtip14dac6eb97c0e219320bb487c6d3e2725~K6RwKMJZq2900329003epsmtip1D; 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: Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.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>; }; };