From patchwork Tue Dec 17 09:12:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 13911463 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 0C146E7716A for ; Tue, 17 Dec 2024 09:23:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lloMQbmYfGUU3oRChaF7UVRYfYj10RXDsqr7nUOj9mU=; b=gu/noxGO/HBLfd33pGy4rFHqB6 77qNZql9VbhbEfP4AaAH3FyVMwV2QsChmTkuJD8AQsBdkaQ+kffp9B7TheP0C7SCB21CuxJ6EnDpV 1DNeIc3i8hGcWxNAoMGZEeY+ZFPRO4rwM/zqyMqBGYnrZd7TPIrPKRDE/n+r6SsM7AmCnmdu0ThqJ NHEYWxeLXMVrQTObL3VzD+Yp7UxAJKUWAk6tZ65Z9WJooosQuvt2JmRAXHBYyxiEHsi0+NFWVlrEC 0ht6bl53jt2dyl9NsGXKgDPhCHW7DrdHhffylN++HwrIrvH0PSiKilYPdTAXjAlaZMcrXUtdHuTgn QqrxaCVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tNTnX-0000000Ctv4-07YL; Tue, 17 Dec 2024 09:23:23 +0000 Received: from mxout1.routing.net ([2a03:2900:1:a::a]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tNTdN-0000000Cr1D-1Pxs; Tue, 17 Dec 2024 09:12:54 +0000 Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout1.routing.net (Postfix) with ESMTP id D6FDA3FDBF; Tue, 17 Dec 2024 09:12:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1734426771; 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=lloMQbmYfGUU3oRChaF7UVRYfYj10RXDsqr7nUOj9mU=; b=WoXJFhQwLhDqmFy/NC6ozKoJ9eQvTiXo2bKbi6VUZ7EeE0e94dTj3jVcT/eBZoraEmCV+2 AWdUf1XuGh7rMQApmYAyY+pyBIWzHqVbUvCTd+czzekOgzGtB2WjlBegeQvAeUzD/r90BC v91BKJNZ1srqOSHYABHbcloHwB8V8Bs= Received: from frank-u24.. (fttx-pool-217.61.150.187.bambit.de [217.61.150.187]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id ED23E100720; Tue, 17 Dec 2024 09:12:50 +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: [PATCH v3 01/22] arm64: dts: mediatek: mt7988: Add reserved memory Date: Tue, 17 Dec 2024 10:12:15 +0100 Message-ID: <20241217091238.16032-2-linux@fw-web.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241217091238.16032-1-linux@fw-web.de> References: <20241217091238.16032-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: 91503590-2908-4ce4-a7b9-4a59157ac282 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241217_011253_518665_08EB9FD5 X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Frank Wunderlich Add memory range handled by ATF to not be touched by linux kernel. ATF is SoC specific and not board-specific so add it to mt7988.dtsi. Signed-off-by: Frank Wunderlich --- changes: v3: - move commit to first of series - drop secmon_reserved label --- 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 46969577c87a..d205717ac78b 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi @@ -62,6 +62,18 @@ psci { method = "smc"; }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 320 KiB reserved for ARM Trusted Firmware (BL31 and BL32) */ + secmon@43000000 { + reg = <0 0x43000000 0 0x50000>; + no-map; + }; + }; + soc { compatible = "simple-bus"; ranges;