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Thu, 18 Dec 2025 16:44:25 +0100 (CET) From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Peter Chen , Pawel Laszczak , Roger Quadros , Greg Kroah-Hartman , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Magnus Damm , Marek Vasut Cc: Alexander Stein , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-usb@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux@ew.tq-group.com Subject: [PATCH 6/6] arm64: dts: imx8qm-tqma8qm-mba8x: Disable Cortex-A72 cluster Date: Thu, 18 Dec 2025 16:44:08 +0100 Message-ID: <20251218154412.1524249-2-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251218152058.1521806-1-alexander.stein@ew.tq-group.com> References: <20251218152058.1521806-1-alexander.stein@ew.tq-group.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-cloud-security-sender: alexander.stein@ew.tq-group.com X-cloud-security-recipient: linux-kernel@vger.kernel.org X-cloud-security-crypt: load encryption module X-cloud-security-Mailarchiv: E-Mail archived for: alexander.stein@ew.tq-group.com X-cloud-security-Mailarchivtype: outbound X-cloud-security-Virusscan: CLEAN X-cloud-security-disclaimer: This E-Mail was scanned by E-Mailservice on mx-relay95-hz2.antispameurope.com with 4dXFMt4MRFz2F8Jm X-cloud-security-connect: he-nlb01-hz1.hornetsecurity.com[94.100.132.6], TLS=1, IP=94.100.132.6 X-cloud-security-Digest: 30ac5d452f02eb17521dada3ca6d72f8 X-cloud-security: scantime:1.560 DKIM-Signature: a=rsa-sha256; bh=cNktqPdORa2qnhbyWV/LXLPJYGLHHIks8TSaavnZQv8=; c=relaxed/relaxed; d=ew.tq-group.com; h=content-type:mime-version:subject:from:to:message-id:date; s=hse1; t=1766072681; v=1; b=BBbcd8OnrQI8i7Bs3heiDARUiMLpPoDzicUImv602VuiPQm/qFj8xrHcqRB5vcpBlIb9k2cG 6p8b5IVC9G8yQ6gBNSIT/7mJl7c7MZopOvOTT9LY5eaukw11nAtlBFomvkH14ecRSvw85j4TAGE obGkcY+nw5fe3gycgYMCRomA8hzBhXhydLXG9CFqZHyFF4QTaN4TIIkz9b1auFzJPRLWxQbowsf jmpYkncziYDUHXu19TGN1LMQQmYOzvryFw3zX1Tczn7vkLT2d08Sw2w4pBV1zvyTVDgvWK3zF7c R7xkcRIK374MaixgRKSW8l22PrjTEdjxP4IAg3/QaqApw== Content-Type: text/plain; charset="utf-8" Due to missing workaround for "ERR050104: Arm/A53: Cache coherency issue" disable the whole Cortex-A72 cluster. Signed-off-by: Alexander Stein --- .../dts/freescale/imx8qm-tqma8qm-mba8x.dts | 39 ------------------- .../boot/dts/freescale/imx8qm-tqma8qm.dtsi | 13 +++++-- 2 files changed, 10 insertions(+), 42 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts b/arch/= arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts index ba19c3c17c496..4a5ab14ddc550 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts +++ b/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts @@ -296,45 +296,6 @@ map3 { }; }; }; - - cpu1-thermal { - trips { - soc_active1_0: trip-active0 { - temperature =3D <40000>; - hysteresis =3D <5000>; - type =3D "active"; - }; - - soc_active1_1: trip-active1 { - temperature =3D <48000>; - hysteresis =3D <3000>; - type =3D "active"; - }; - - soc_active1_2: trip-active2 { - temperature =3D <60000>; - hysteresis =3D <10000>; - type =3D "active"; - }; - }; - - cooling-maps { - map1 { - trip =3D <&soc_active1_0>; - cooling-device =3D <&fan0 1 1>; - }; - - map2 { - trip =3D <&soc_active1_1>; - cooling-device =3D <&fan0 2 2>; - }; - - map3 { - trip =3D <&soc_active1_2>; - cooling-device =3D <&fan0 3 3>; - }; - }; - }; }; }; =20 diff --git a/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm.dtsi b/arch/arm64= /boot/dts/freescale/imx8qm-tqma8qm.dtsi index 718c792259a65..57d06817aab63 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm.dtsi @@ -11,6 +11,13 @@ / { model =3D "TQ-Systems i.MX8QM TQMa8QM"; compatible =3D "tq,imx8qm-tqma8qm", "fsl,imx8qm"; =20 + /* Due to missing workaround for ERR050104 */ + cpus { + /delete-node/ cpu-map; + /delete-node/ cpu@100; + /delete-node/ cpu@101; + }; + memory@80000000 { device_type =3D "memory"; /* @@ -171,6 +178,8 @@ &mu2_m0 { }; =20 &thermal_zones { + /delete-node/ cpu1-thermal; + pmic0-thermal { polling-delay-passive =3D <250>; polling-delay =3D <2000>; @@ -196,9 +205,7 @@ map0 { <&A53_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, <&A53_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, <&A53_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, - <&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, - <&A72_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, - <&A72_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + <&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; }; }; }; --=20 2.43.0