From patchwork Wed Nov 23 09:01:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Gondois X-Patchwork-Id: 13053264 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27471C4332F for ; Wed, 23 Nov 2022 09:03:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wlrgLpbYyycmf741Hg4/f9B82vvR+r+wrefe21LKdmQ=; b=yUfdI7La73+QWZ jiAjrX16bYS5+LW4EZOdNR0kzvMHANQMJsMjDW1vKSZAtMHP7/2qMh+zPBXEfqL5OlPr1M3efck77 xR550R+ttlQqzDL3FypPlTKuaHeCLNfuDQRlb61TiBHA9UVWPl4qiMl/BoJQMKBn39HieGqYHtdx6 UkSn9HiUFgoaX3Htu++LrT1gdWOtb4lSOGtapGd4LfkUvPO/VJGQ2ndTJUx3oKmyFFQEtl5F6fdgl UYr/JEoS/PYS0HPHREEGYlyWx/34h4YYtdhrNEWzT15T5XCTebQ6rT7se7kJ/DuXP2/7f0dBIR2MC 6cQTgH6Hk5HF28YAZcqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxle1-00FkpI-Lo; Wed, 23 Nov 2022 09:02:13 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxldq-00FkjY-Dh for linux-arm-kernel@lists.infradead.org; Wed, 23 Nov 2022 09:02:04 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2960D23A; Wed, 23 Nov 2022 01:02:05 -0800 (PST) Received: from pierre123.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id F0AB73F73B; Wed, 23 Nov 2022 01:01:55 -0800 (PST) From: Pierre Gondois To: linux-kernel@vger.kernel.org Cc: Pierre Gondois , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Aswani Reddy , Shashank Prashar , Arnd Bergmann , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v3 1/2] arm64: dts: Update cache properties for exynos Date: Wed, 23 Nov 2022 10:01:03 +0100 Message-Id: <20221123090109.74441-2-pierre.gondois@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221123090109.74441-1-pierre.gondois@arm.com> References: <20221123090109.74441-1-pierre.gondois@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221123_010202_565580_588FD3DF X-CRM114-Status: UNSURE ( 9.93 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The DeviceTree Specification v0.3 specifies that the cache node 'compatible' and 'cache-level' properties are 'required'. Cf. s3.8 Multi-level and Shared Cache Nodes The 'cache-unified' property should be present if one of the properties for unified cache is present ('cache-size', ...). Update the Device Trees accordingly. Signed-off-by: Pierre Gondois --- arch/arm64/boot/dts/exynos/exynos5433.dtsi | 4 ++++ arch/arm64/boot/dts/exynos/exynos7.dtsi | 2 ++ 2 files changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi index bd6a354b9cb5..8619920da4b6 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi @@ -226,6 +226,8 @@ cpu7: cpu@3 { cluster_a57_l2: l2-cache0 { compatible = "cache"; + cache-level = <2>; + cache-unified; cache-size = <0x200000>; cache-line-size = <64>; cache-sets = <2048>; @@ -233,6 +235,8 @@ cluster_a57_l2: l2-cache0 { cluster_a53_l2: l2-cache1 { compatible = "cache"; + cache-level = <2>; + cache-unified; cache-size = <0x40000>; cache-line-size = <64>; cache-sets = <256>; diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi index 1cd771c90b47..f378d8629d88 100644 --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -107,6 +107,8 @@ cpu_atlas3: cpu@3 { atlas_l2: l2-cache0 { compatible = "cache"; + cache-level = <2>; + cache-unified; cache-size = <0x200000>; cache-line-size = <64>; cache-sets = <2048>;