From nobody Mon Feb 9 10:50:53 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35B551A5BAB; Sun, 16 Feb 2025 22:18:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739744302; cv=pass; b=SefDA8LlthsR2SOsL1RT/vT3hcJ6hdavW6f7v5KiwO1P8iRudo5dH/SOzdq7Sboweny2duBLzq04amwLLopwQ7i6Scmp3sGy5G5NTYkpWrOr1avs2HxUp34Q/64asEDLYHH+vFosLiUDY1DErCiwUAW+C+Z3K4RW0mecBA0jPcg= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739744302; c=relaxed/simple; bh=Ow2wOKW47xQxE1tes6dzGd7yzs8hgRX69tsKSBSfITc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pUvCJs5NE7oCFwI6HaQGNO+cTGJ+YRhrzdOPre9BuK6DxoACIMRjqU55XMZDv9/BIsOlyeG9ri0Dj4k/4OCepORLSkI6J8BD1+galR4c4y2DWswDgbVat+plccjQOKPs/DQADHZ0KiKvyeyTRc1zgkxn4SJq91mCWQgyYm4DHEo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b=XqfA279Y; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b="XqfA279Y" ARC-Seal: i=1; a=rsa-sha256; t=1739744269; cv=none; d=zohomail.com; s=zohoarc; b=BvPGmvJYmrhsFTWC+5HKGniE0h7h+HgTmgnSsV4gOWE2e7bVOGLd+nv4YOxN3D3sXfmpZ5Cy4ywy3dq8XOBYe/OKGbsMjuCISubeGrDQozBuwJdTYHTioaRhw/303rOCpBOUtFwB/0CRnNN8h1FOoP/1/cXA6MQoY2MuZkHViUA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1739744269; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=qV9FtGc2J3JofUAmzm8a7AF6xA8rwztBenPkjZxjGQ4=; b=TFpNfVS3uXJLTtA45QpC19mKMSSrF3VHkplIapyKHLWU5GltAtATRoZ1fxBonqtSCvdtqz8WGYbJwiPraLct3h7dSO+6uJ/Pi/kjaIUtFCw6zoBGmYnuQjeZYFHlMOCECaTvaw9A85UnhGQ8I9+2w6WKa6qqNBZKZFs5nItU2/w= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1739744269; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=qV9FtGc2J3JofUAmzm8a7AF6xA8rwztBenPkjZxjGQ4=; b=XqfA279YJRUTqsywVZRV1flD/G4pzs3eywPnE/1MymVzaoTYCxmFZEneDrtHNeC4 kCeX581kRYANASWq52UpCrxBm5H2Nv42kJ3aqpQrLmVKdD946917hSbkWeNcgz/DZGr xgk5iK2PGrcKhIaM3n08QB7bqcaR6CNPBwYOBh1Y= Received: by mx.zohomail.com with SMTPS id 1739744266007162.2709788827533; Sun, 16 Feb 2025 14:17:46 -0800 (PST) From: Dmitry Osipenko To: Heiko Stuebner , Marc Zyngier Cc: Rob Herring , Krzysztof Kozlowski , Thomas Gleixner , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Kever Yang , XiaoDong Huang , Peter Geis , Robin Murphy , kernel@collabora.com Subject: [PATCH v2 2/3] arm64: dts: rockchip: rk356x: Add MSI controller node Date: Mon, 17 Feb 2025 01:16:33 +0300 Message-ID: <20250216221634.364158-3-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250216221634.364158-1-dmitry.osipenko@collabora.com> References: <20250216221634.364158-1-dmitry.osipenko@collabora.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-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" Rockchip 356x SoC's GIC has two hardware integration issues that affect MSI functionality of the GIC. Previously, both these GIC issues were worked around by using MBI for MSI instead of ITS because kernel GIC driver didn't have necessary quirks. First issue is about RK356x GIC not supporting programmable shareability, while reporting it as supported in a GIC's feature register. Rockchip assigned Erratum ID #3568001 for this issue. This patch adds dma-noncoherent property to the GIC node, denoting that a SW workaround is required for mitigating the issue. Second issue is about GIC AXI master interface addressing limited to the first 4GB of physical address space. Rockchip assigned Erratum ID #3568002 for this issue. Now that kernel supports quirks for both of the erratums, add MSI controller node to RK356x device-tree. Signed-off-by: Dmitry Osipenko --- arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boo= t/dts/rockchip/rk356x-base.dtsi index de5e6c0c3d24..423185686600 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi @@ -284,6 +284,18 @@ gic: interrupt-controller@fd400000 { mbi-alias =3D <0x0 0xfd410000>; mbi-ranges =3D <296 24>; msi-controller; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-noncoherent; + + its: msi-controller@fd440000 { + compatible =3D "arm,gic-v3-its"; + reg =3D <0x0 0xfd440000 0 0x20000>; + dma-noncoherent; + msi-controller; + #msi-cells =3D <1>; + }; }; =20 usb_host0_ehci: usb@fd800000 { --=20 2.48.1