From mboxrd@z Thu Jan 1 00:00:00 1970 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 8D694C2BA4C for ; Wed, 26 Jan 2022 07:12:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237640AbiAZHMu (ORCPT ); Wed, 26 Jan 2022 02:12:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237660AbiAZHMs (ORCPT ); Wed, 26 Jan 2022 02:12:48 -0500 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CAFDCC06161C; Tue, 25 Jan 2022 23:12:47 -0800 (PST) Received: by mail-wm1-x331.google.com with SMTP id f202-20020a1c1fd3000000b0034dd403f4fbso3557053wmf.1; Tue, 25 Jan 2022 23:12:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=i+HVMxrypTyMaGZCN3z001LVFWdR0I2CYQt+CsmsXOc=; b=mNNb1LZUqPHra8cELYyxO5HimHGitkdix9YzKqSQ5kkzq5Kb8WczBTETAheDVvjP6g 67csd1jcv0RTsStqqgRD6AoLOVGzFJiB6xtpaVf/nGI5thaW5/5HcobbAO60E6VsZ8Yy rcTTXE3zgU0CNH8wCnxgk/xjOcrTi3PA/S/2M3i6BtxP0OPm8duQAVTC0z7W9ewGVcRR LgsUAH9LZxvfGKvofGLu/OsHPMGQDWEnT3EUP+/pLWmQrh/VAlq+EE3ZW2TC6sR4DpQE 6lt6kPst+WJEHTMZuhJxupsSLmgdzo8KAt7vefKfG3ok4xJS6TPDbWM+19iGxTcrUNsP opxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=i+HVMxrypTyMaGZCN3z001LVFWdR0I2CYQt+CsmsXOc=; b=K1J+pw8MrHzBM4ZRfSrQD6BBIw01SYCu0N5ems4nPqQFewahprC6QfTN0txnok64rc lLhqw5z/ggcEkN5v3FZ2aSap9DfmoN4bm8zvUf1m3oMB8+wEtIzSWVA3KJyvX8Xfxtjx x0ParLv7N06kDZcYDtiKjM+vbnmaYZ7pCLzHQhS2yWHjcY0CXebCSWS9DKue5QPXNLd0 shT98mlIO+PX1EnYgu8ehrooAHB3QZ1MU/bT0Cx/TvqAt84LFd1qAp/BpDZ0G+TzPZx9 f1IHmijDv+IQR5kFzgLnuj+MgfFUe6oBXETZ+E+ChQ3kBNV5qCn8/Np4xVFNujFUrC3a FAMA== X-Gm-Message-State: AOAM532ucrgGeIsOKvAcq0B0fEBuA3i4eaRiuGfvoOVsCp1K4l4vejlv Wp1pjPbTSDQBSIekyGPnmPFrc2yqU6vebg== X-Google-Smtp-Source: ABdhPJxfeZUAnN3Ct6WVyIovMDjWsCGrqeTETF2j03Acpcu+o5RVPZ9EUe1wmn1htFvuwv1pjb6l2A== X-Received: by 2002:a05:600c:2301:: with SMTP id 1mr6237694wmo.13.1643181166272; Tue, 25 Jan 2022 23:12:46 -0800 (PST) Received: from smtpclient.apple ([167.99.200.149]) by smtp.gmail.com with ESMTPSA id z1sm2374825wma.20.2022.01.25.23.12.43 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jan 2022 23:12:45 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3693.40.0.1.81\)) Subject: Re: [PATCH 1/3] arm64: dts: meson-gx: add ATF BL32 reserved-memory region From: Christian Hewitt In-Reply-To: Date: Wed, 26 Jan 2022 11:12:42 +0400 Cc: Rob Herring , Mark Rutland , Kevin Hilman , Neil Armstrong , devicetree , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Message-Id: <343C247D-4F10-4E88-B971-5A1F41A2C892@gmail.com> References: <20220126044954.19069-1-christianshewitt@gmail.com> <20220126044954.19069-2-christianshewitt@gmail.com> To: Vyacheslav X-Mailer: Apple Mail (2.3693.40.0.1.81) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On 26 Jan 2022, at 9:35 am, Vyacheslav wrote: >=20 > Hi! >=20 > 26.01.2022 07:49, Christian Hewitt wrote: >> Add an additional reserved memory region for the BL32 trusted = firmware >> present in many devices that boot from Amlogic vendor u-boot. >> Suggested-by: Mateusz Krzak >> Signed-off-by: Christian Hewitt >> --- >> arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++ >> 1 file changed, 6 insertions(+) >> diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi = b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi >> index 6b457b2c30a4..aa14ea017a61 100644 >> --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi >> +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi >> @@ -49,6 +49,12 @@ >> no-map; >> }; >> + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ >> + secmon_reserved_bl32: secmon@5300000 { >> + reg =3D <0x0 0x05300000 0x0 0x2000000>; >> + no-map; >> + }; >> + > How do I check if we need a similar patch for axg boards? Are they booting using Amlogic (vendor) u-boot sources that include bl32.img in the FIP signing recipe? If booting from upstream u-boot, like JetHome boards, it=E2=80=99s nothing to worry about. Christian