From nobody Tue Dec 16 09:02:09 2025 Received: from mail.fris.de (mail.fris.de [116.203.77.234]) (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 D5C581DA634; Wed, 16 Apr 2025 14:28:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.77.234 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744813696; cv=none; b=ir0VmBrb5F4bR1zmspLps4EKijZUWJ6B1ryn4BHJIpaPkZD+6K7pab995OhnScYVTdnrpxiFC0yol8j0ukvv7rSJZeCc7padwkPDHl0pK7KysV5++HqYZQP8muorhVguoF4+vH0w0P8WLFJd+TQtTMwY9aZNwVQ+q4xtfF8IUNw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744813696; c=relaxed/simple; bh=la3Rmm9G09d9FtjBHydDxxb5tUNi7/hoVZW8CizR1E4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EBDjzKMxPojsMIkSrrEo5LJxfqdHHO5PYIdVa0uTkOfCHdr2x5rh8FUqY2OEgrhn4fgzq8DPrbIcOvUVXM7pnehMF+Vb98BYrhLFKZ4zzaxANzJ5aDeMn6d0YYky8w+YaCAma6p94PleiLusFHLWD7cCcM60dEb/iJv3k/UE3hg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fris.de; spf=pass smtp.mailfrom=fris.de; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b=nVBXtlnK; arc=none smtp.client-ip=116.203.77.234 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fris.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fris.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b="nVBXtlnK" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 5AD33BFC16; Wed, 16 Apr 2025 16:28:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1744813692; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=y3BV7atvuABYEEZWYNR8lZWvJ+WfpKTMmG/5nr5RLwI=; b=nVBXtlnKXK6xffDLyhBxenOKFk6R8+v7xzt1syqAOVzQisPCCrAGZpOczv8GlhEWJXz2G6 Rf5lRlEBuZf3F6f2yQQoJBV/qUZ7YtmDzdOPifbQ6cctOkczxf8vpmQs8uNUUVx0UvOYH2 8+LRw3Hy+oq1ELpiq/AXmpv1ha5vNM0cMDINSTBvRaU1dkYTUoZ+qXAdHOLTe8yyBTtZAs +mMcLGVZwbVvucLN02Btg5zOh3+ihjx6Z93f8fMPUXYsUIAe8rk2IKIn5vdHq0AtQu7L4c 0eTUYMMVLEpz2NWyIPt/LuxsAz17rTZjNwmW/z8rYyibLBPIbCmpUmS0vz+KXw== From: Frieder Schrempf To: Peng Fan , Pankaj Gupta , linux-arm-kernel@lists.infradead.org, Conor Dooley , devicetree@vger.kernel.org, imx@lists.linux.dev, Krzysztof Kozlowski , linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Frieder Schrempf , Fabio Estevam , Pengutronix Kernel Team Subject: [RFC PATCH 5/5] arm64: dts: imx93-kontron: Add DMA memory region for ELE firmware Date: Wed, 16 Apr 2025 16:26:24 +0200 Message-ID: <20250416142715.1042363-6-frieder@fris.de> In-Reply-To: <20250416142715.1042363-1-frieder@fris.de> References: <20250416142715.1042363-1-frieder@fris.de> 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-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" From: Frieder Schrempf The Edgelock Enclave firmware requires a small 1 MiB memory pool. Reserving this pool makes the ELE firmware driver probe and allows us to use the S400 API. Signed-off-by: Frieder Schrempf --- .../boot/dts/freescale/imx93-kontron-osm-s.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi b/arch/= arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi index 119a16207059..44d98cf812bf 100644 --- a/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-kontron-osm-s.dtsi @@ -24,6 +24,18 @@ chosen { stdout-path =3D &lpuart1; }; =20 + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + ele_reserved: memory@90000000 { + compatible =3D "shared-dma-pool"; + reg =3D <0 0x90000000 0 0x100000>; + no-map; + }; + }; + reg_usdhc2_vcc: regulator-usdhc2-vcc { compatible =3D "regulator-fixed"; pinctrl-names =3D "default"; @@ -116,6 +128,10 @@ &gpio4 { "GPIO_B_0", "CARRIER_PWR_EN"; }; =20 +&hsm0 { + memory-region =3D <&ele_reserved>; +}; + &lpi2c1 { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_lpi2c1>; --=20 2.49.0