From patchwork Thu Jun 9 11:22:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12875297 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 4BFCFCCA485 for ; Thu, 9 Jun 2022 11:23:40 +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=IsEY1rCCN/BibJ4jnzzezCsvCgOXXlPzWSujcPX5x1E=; b=5Cscp6wE1C6dTv SxN+yZ7BKF70NuH1rD/uNo3OLHz3IYfMRVfwIWPeU6+xAX4vOgyY1b0v7g95fRARSq91aIfWY+vga HANPDq3GyoqgHX2Uj5LJZ1zNG5jD08e0BSr9dKWvak78nmOHmK7i11hlm63lgUZEQ2ci2Oska8TM8 RgVSkF1q6YikEQJwlzGT6uSUfDYfD8Eklo9XMYkgufZduxRB3X25Adf6GWuujkC2MhyQM3DSfJnnf n6Cme78q0Fpe0nDZijaRmUHnXoqmMfGqFYdw+G6SpQAQTbXOnF81Oy0rQ2GQwI9svdVtqSRNcs7Uo Vn2DRDRl/8bjSi1os03Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzGGE-001GXO-7B; Thu, 09 Jun 2022 11:23:34 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzGFr-001GLa-IA; Thu, 09 Jun 2022 11:23:13 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id A188B66017CB; Thu, 9 Jun 2022 12:23:09 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1654773790; bh=6b5Fn00QFN3S8pk3LiXp3oowU6+YetKGNFXGTWU1NeQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gbQJ9zbuPxPKTT7q3eU227g6oIEkx67WfDTehPGu0ahrJiFRpwnXwna+F/oZ3Trxp 29wyf5ywNX0PTB5eosLv/tW5/oUu2axA5eowmKllKV+01cvAohdKHvxHe1jcdwJyXc IjSQNspArFVk4HhDH38hoisHRw6CdaU+5q9jmW7GpWRlD3C83N/6QReLfnE8mjD/zN f9xRU23cPvduQO8CNpCtXLaVc+MXEtk/o9LK8IG+TCidx9TwIvluLsM8yi3ffllVdk b5FfiR69AQqePQWP+5ESsm9f7j7LhVp/aWn9AYbkcTe3D+I9aq6I+L5KMKe9QEX4gJ mK+ltmDoiIUag== From: AngeloGioacchino Del Regno To: robh+dt@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, paul.bouchara@somainline.org, kernel@collabora.com, AngeloGioacchino Del Regno Subject: [PATCH v2 02/10] arm64: dts: mediatek: mt6795: Add cpu-map and L2 cache Date: Thu, 9 Jun 2022 13:22:55 +0200 Message-Id: <20220609112303.117928-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220609112303.117928-1-angelogioacchino.delregno@collabora.com> References: <20220609112303.117928-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220609_042311_780313_4D70B1FA X-CRM114-Status: UNSURE ( 7.84 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This SoC is HMP and has two clusters with four Cortex-A53 cores each: declare a cpu map and, while at it, also add the next-level-cache properties. Signed-off-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt6795.dtsi | 56 ++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt6795.dtsi b/arch/arm64/boot/dts/mediatek/mt6795.dtsi index 167f90bd991a..1456b9035336 100644 --- a/arch/arm64/boot/dts/mediatek/mt6795.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt6795.dtsi @@ -34,6 +34,7 @@ cpu0: cpu@0 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x000>; + next-level-cache = <&l2_0>; }; cpu1: cpu@1 { @@ -41,6 +42,7 @@ cpu1: cpu@1 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x001>; + next-level-cache = <&l2_0>; }; cpu2: cpu@2 { @@ -48,6 +50,7 @@ cpu2: cpu@2 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x002>; + next-level-cache = <&l2_0>; }; cpu3: cpu@3 { @@ -55,6 +58,7 @@ cpu3: cpu@3 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x003>; + next-level-cache = <&l2_0>; }; cpu4: cpu@100 { @@ -62,6 +66,7 @@ cpu4: cpu@100 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x100>; + next-level-cache = <&l2_1>; }; cpu5: cpu@101 { @@ -69,6 +74,7 @@ cpu5: cpu@101 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x101>; + next-level-cache = <&l2_1>; }; cpu6: cpu@102 { @@ -76,6 +82,7 @@ cpu6: cpu@102 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x102>; + next-level-cache = <&l2_1>; }; cpu7: cpu@103 { @@ -83,6 +90,55 @@ cpu7: cpu@103 { compatible = "arm,cortex-a53"; enable-method = "psci"; reg = <0x103>; + next-level-cache = <&l2_1>; + }; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + + core1 { + cpu = <&cpu1>; + }; + + core2 { + cpu = <&cpu2>; + }; + + core3 { + cpu = <&cpu3>; + }; + }; + + cluster1 { + core0 { + cpu = <&cpu4>; + }; + + core1 { + cpu = <&cpu5>; + }; + + core2 { + cpu = <&cpu6>; + }; + + core3 { + cpu = <&cpu7>; + }; + }; + }; + + l2_0: l2-cache0 { + compatible = "cache"; + cache-level = <2>; + }; + + l2_1: l2-cache1 { + compatible = "cache"; + cache-level = <2>; }; };