From patchwork Mon Sep 12 07:15:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12973368 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 smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 46721C6FA8E for ; Mon, 12 Sep 2022 07:16:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 2D60AC4347C; Mon, 12 Sep 2022 07:16:27 +0000 (UTC) Received: from mx.socionext.com (mx.socionext.com [202.248.49.38]) by smtp.kernel.org (Postfix) with ESMTP id 94516C433B5; Mon, 12 Sep 2022 07:16:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 94516C433B5 Authentication-Results: smtp.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: smtp.kernel.org; spf=pass smtp.mailfrom=socionext.com Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 12 Sep 2022 16:16:00 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id DEA102059027; Mon, 12 Sep 2022 16:15:59 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Mon, 12 Sep 2022 16:15:59 +0900 Received: from plum.e01.socionext.com (unknown [10.212.243.119]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 2E24BB62AE; Mon, 12 Sep 2022 16:15:59 +0900 (JST) From: Kunihiko Hayashi List-Id: 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 v2 9/9] arm64: dts: uniphier: Add L2 cache node Date: Mon, 12 Sep 2022 16:15:54 +0900 Message-Id: <20220912071554.1480-10-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220912071554.1480-1-hayashi.kunihiko@socionext.com> References: <20220912071554.1480-1-hayashi.kunihiko@socionext.com> 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 6a7d7973e9dd..a75356db006b 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 e24784e12b7b..1e6317e371ba 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 6277be04a974..72ba6a52233e 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 {