From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mxout4.routing.net (mxout4.routing.net [134.0.28.9]) (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 D963A204F89; Tue, 29 Oct 2024 10:39:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=134.0.28.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730198397; cv=none; b=JsY6j+c8iS/D73AS3kGftEt5MX2GnWCKrhNkxUPVvgU30gbvmSg7LckALBjTJW1vlU0WRrvr4vTpmWYI41J9vua+IIRKfla06Qd8ps7PF8JVOWzAKP0dp8k5rKcSBGjTNpg2PAaSQMs8WD1iAk6dyhgznAMMbXYJR5HJTzLfPwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730198397; c=relaxed/simple; bh=OJYlfLhx403GbTrHVZB8UszZox9nYxZBzBQATfxnCmE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DwoL14RR//m+fxdga0BRLXYdM3F6zjC0Tt6GmGX/mfN2gO+k9rubtqzkimkTItXFd7KPiRbrGVOY5gxzUtXNq20dLS6f9kXAiR6qjSDT5ShBviXokQ9m4rRN625bSpCfUyBvGfvc4Fy9x+jxXxvw2PJlGcthKf1A7v3Rgi7QmG0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de; spf=pass smtp.mailfrom=fw-web.de; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b=OYXEJ4mQ; arc=none smtp.client-ip=134.0.28.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fw-web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b="OYXEJ4mQ" Received: from mxbox3.masterlogin.de (unknown [192.168.10.78]) by mxout4.routing.net (Postfix) with ESMTP id 9752B101578; Tue, 29 Oct 2024 10:39:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1730198390; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kA2523qYUhUEFCv+YtsYoSs5yMA+mmGNCd9m9PrUL0M=; b=OYXEJ4mQ/JPue8n7aKICB4zAyGO2GX9YXOOe8gq7FUECVLqCt/BaMKGg1wMS0x+ArP0Ses tluatSuxlWqX6PlDa/qZ0VA/1W7F8lTlSllihDhaqfH8kJGUjxGv9lkYh1dV4x9xPNcJgS RN/QtOI9Qq9j0IWETYaEBjgns3VGT1s= Received: from frank-u24.. (fttx-pool-80.245.73.173.bambit.de [80.245.73.173]) by mxbox3.masterlogin.de (Postfix) with ESMTPSA id 0694C36037C; Tue, 29 Oct 2024 10:39:50 +0000 (UTC) From: Frank Wunderlich To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Frank Wunderlich , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [RFC v1 12/14] arm64: dts: mediatek: mt7988: add reserved memory Date: Tue, 29 Oct 2024 11:39:31 +0100 Message-ID: <20241029103937.45852-13-linux@fw-web.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241029103937.45852-1-linux@fw-web.de> References: <20241029103937.45852-1-linux@fw-web.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mail-ID: a95d1809-21ad-4521-bf01-ef6152e9e13d From: Frank Wunderlich Add memory range handled by ATF to not be touched by linux kernel. Signed-off-by: Frank Wunderlich --- arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi index a3a7deda35a5..7721d2ec06ee 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi @@ -81,6 +81,18 @@ reg_3p3v: regulator-3p3v { regulator-always-on; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 320 KiB reserved for ARM Trusted Firmware (BL31 and BL32) */ + secmon_reserved: secmon@43000000 { + reg = <0 0x43000000 0 0x50000>; + no-map; + }; + }; + soc { compatible = "simple-bus"; ranges; -- 2.43.0