From nobody Sat Apr 11 21:30:21 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA278C19F2A for ; Thu, 4 Aug 2022 16:53:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234576AbiHDQxa (ORCPT ); Thu, 4 Aug 2022 12:53:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230177AbiHDQx2 (ORCPT ); Thu, 4 Aug 2022 12:53:28 -0400 Received: from mail.sberdevices.ru (mail.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98550252B4; Thu, 4 Aug 2022 09:53:24 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mail.sberdevices.ru (Postfix) with ESMTP id 174735FD06; Thu, 4 Aug 2022 19:53:22 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1659632002; bh=7VqOZGtBUV2rPszzt+iOd/uivE15FHVsI8evbC3zCPg=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=eHQCywSVaPtlqKMhx494PMfhccsQ6LkWBwuqmwxX0aR3pQ9Dupxm3rEGu27kS82Yd MadISbStWePQJuOT4M8KSDFhslHuOJr5ZtnHERDK9Jdg3+7eaiBhf4aMRrbpaB9qJ5 mEeSZsZHMnGzldlzRn3mKNNNEKxolhHlkRiLaZ6w3aeb3zKeU54qLyUM0EDIXRv7wf RBou3VFs5y8L0PWsyG3CD3ulOJfeH8mQkeKwi7VUydTAMlk2QyWSF2OZMav48ytZHo WtSXZDLXFlW7SwBjP/vL728whqeweaCpDwzOFbD6xiUgnh/vUoYBIKmBNR6cMfBCKc B4L9ecwOLWLJQ== Received: from S-MS-EXCH02.sberdevices.ru (S-MS-EXCH02.sberdevices.ru [172.16.1.5]) by mail.sberdevices.ru (Postfix) with ESMTP; Thu, 4 Aug 2022 19:53:20 +0300 (MSK) From: Dmitry Rokosov To: "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "narmstrong@baylibre.com" , "khilman@baylibre.com" , "jbrunet@baylibre.com" , "martin.blumenstingl@googlemail.com" CC: "linux-arm-kernel@lists.infradead.org" , "linux-amlogic@lists.infradead.org" , "devicetree@vger.kernel.org" , kernel , "linux-kernel@vger.kernel.org" , Dmitry Rokosov Subject: [PATCH v1] arm64: dts: meson-axg: reserve memory region for Amlogic TrustOS Thread-Topic: [PATCH v1] arm64: dts: meson-axg: reserve memory region for Amlogic TrustOS Thread-Index: AQHYqCKmlgn31IcXkUK0U/+U7ZMA5w== Date: Thu, 4 Aug 2022 16:52:59 +0000 Message-ID: <20220804165317.29086-1-ddrokosov@sberdevices.ru> Accept-Language: ru-RU, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.1.12] Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2022/08/04 12:57:00 #20050432 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" For the all AXG SoC based boards, which run Amlogic vendor ATF and TrustOS this memory region 0x5300000-0x6300000 is reserved by BL32, so tag it as no-map in the kernel iomem. Signed-off-by: Dmitry Rokosov --- arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/d= ts/amlogic/meson-axg.dtsi index 3f5254eeb47b..1fa0d3805969 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -142,6 +142,12 @@ secmon_reserved: secmon@5000000 { reg =3D <0x0 0x05000000 0x0 0x300000>; no-map; }; + + /* 16 MiB reserved for Amlogic Trust OS (BL32) */ + secos_reserved: secos@5300000 { + reg =3D <0x0 0x05300000 0x0 0x1000000>; + no-map; + }; }; =20 scpi { --=20 2.36.0