From patchwork Tue Sep 13 04:23:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12974385 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 8D8EAC6FA82 for ; Tue, 13 Sep 2022 04:33:20 +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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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; 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Tue, 13 Sep 2022 13:23:30 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Tue, 13 Sep 2022 13:23:30 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 23BEDB62A4; Tue, 13 Sep 2022 13:23:30 +0900 (JST) From: Kunihiko Hayashi To: soc@kernel.org, Arnd Bergmann , Olof Johansson Cc: Rob Herring , Krzysztof Kozlowski , Masami Hiramatsu , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kunihiko Hayashi Subject: [PATCH v3 10/10] arm64: dts: uniphier: Add L2 cache node Date: Tue, 13 Sep 2022 13:23:21 +0900 Message-Id: <20220913042321.4817-11-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220913042321.4817-1-hayashi.kunihiko@socionext.com> References: <20220913042321.4817-1-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220912_212332_939687_9DDEDB57 X-CRM114-Status: GOOD ( 14.28 ) 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 Add a L2 cache node referenced from CPU nodes as the missing cache hierarchy information because the following warning was issued. cacheinfo: Unable to detect cache hierarchy for CPU 0 Early cacheinfo failed, ret = -2 Signed-off-by: Kunihiko Hayashi --- arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi | 6 ++++++ arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 12 ++++++++++++ arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi | 8 ++++++++ 3 files changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi index 525bff79efea..1c76b4375b2e 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi @@ -36,6 +36,7 @@ cpu0: cpu@0 { reg = <0 0x000>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&l2>; operating-points-v2 = <&cluster0_opp>; }; @@ -45,8 +46,13 @@ cpu1: cpu@1 { reg = <0 0x001>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&l2>; operating-points-v2 = <&cluster0_opp>; }; + + l2: l2-cache { + compatible = "cache"; + }; }; cluster0_opp: opp-table { diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi index 938753ded7c0..9308458f9611 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi @@ -46,6 +46,7 @@ cpu0: cpu@0 { reg = <0 0x000>; clocks = <&sys_clk 32>; enable-method = "psci"; + next-level-cache = <&a72_l2>; operating-points-v2 = <&cluster0_opp>; #cooling-cells = <2>; }; @@ -56,6 +57,7 @@ cpu1: cpu@1 { reg = <0 0x001>; clocks = <&sys_clk 32>; enable-method = "psci"; + next-level-cache = <&a72_l2>; operating-points-v2 = <&cluster0_opp>; #cooling-cells = <2>; }; @@ -66,6 +68,7 @@ cpu2: cpu@100 { reg = <0 0x100>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&a53_l2>; operating-points-v2 = <&cluster1_opp>; #cooling-cells = <2>; }; @@ -76,9 +79,18 @@ cpu3: cpu@101 { reg = <0 0x101>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&a53_l2>; operating-points-v2 = <&cluster1_opp>; #cooling-cells = <2>; }; + + a72_l2: l2-cache0 { + compatible = "cache"; + }; + + a53_l2: l2-cache1 { + compatible = "cache"; + }; }; cluster0_opp: opp-table-0 { diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi index f10685625b6a..b0c29510a7da 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi @@ -43,6 +43,7 @@ cpu0: cpu@0 { reg = <0 0x000>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&l2>; operating-points-v2 = <&cluster0_opp>; #cooling-cells = <2>; }; @@ -53,6 +54,7 @@ cpu1: cpu@1 { reg = <0 0x001>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&l2>; operating-points-v2 = <&cluster0_opp>; #cooling-cells = <2>; }; @@ -63,6 +65,7 @@ cpu2: cpu@2 { reg = <0 0x002>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&l2>; operating-points-v2 = <&cluster0_opp>; #cooling-cells = <2>; }; @@ -73,9 +76,14 @@ cpu3: cpu@3 { reg = <0 0x003>; clocks = <&sys_clk 33>; enable-method = "psci"; + next-level-cache = <&l2>; operating-points-v2 = <&cluster0_opp>; #cooling-cells = <2>; }; + + l2: l2-cache { + compatible = "cache"; + }; }; cluster0_opp: opp-table {