From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [80.241.56.171]) (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 92643343D7B; Wed, 25 Mar 2026 13:52:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774446779; cv=none; b=oRfiQnJQ7ZAqs8fTmg3fWSEtbaATq0FhVbbsQeX66hECqoQwz4BhM9TKXLrlm8K+l5p5VoK78DyiXyhZODn59XQ60mfJ+5Ezl3Kx6FRiPRFCk0KPf0rlw9dzpDdcHGiqrfRlkCvIUWmF6u/EAHCbu8pLbraiEIKj8sVZ+T1NZwk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774446779; c=relaxed/simple; bh=PoHaelxQv/9bmMklbE9sHiu+w9EXzNQx2bTt7RlUuVw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WDc1Twt9R0QguDL2TrECaijxn6kRf2uglZzSIo7yezd+Zg7GgrS50TUlnKvTIXE7XYzrhJOs6g3tPRAW/W7il2NA3VhzaIfC0K6Gql35dxlzOU2x97B3J1xPmgLQEEuMFaUYoBgWCj2RDaCHI0ySeopdZpH1IJxsCsqEYXIoETg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=eB3A+maQ; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=FDrVHXBT; arc=none smtp.client-ip=80.241.56.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="eB3A+maQ"; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="FDrVHXBT" Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:b231:465::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 4fgpJL2kK1z9tyY; Wed, 25 Mar 2026 14:52:50 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1774446770; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=o9OZ4u4cVhWMS+y1LRMtoJYOo8sApnqooCJL/ZNuRAo=; b=eB3A+maQj5Rht1YHFdjVOxmefIvxYol6GfZcgQTFvQwqJ8YE0Wkx9Lcgvruc6XyJw0H32W 01eOwFQbbPQfIa3OQOJSZ6oR1hHUGDTzgFXVdLU3/38p2kJUFL+EliLawzCn+xtxyfK1Km LaLaX/IWdQ7MhpoajT7zWhAVJdnTVzqCel8mo5OCk0SklDJvcFuipszaKokEUGH9agU97a b9BJN5Nyr+i9Akpa3hZlt/77jh0XXGym3M29byuNWWY5Xwjz3AcK+lOAoYMsK9pJ52pln7 2hyrLYc/fiwRrMdN1CRzer2oXxEnDBKiiPRILCrrPn+7rTdd1JXCqTT/H1/ZxA== Authentication-Results: outgoing_mbo_mout; dkim=pass header.d=mailbox.org header.s=mail20150812 header.b=FDrVHXBT; spf=pass (outgoing_mbo_mout: domain of marek.vasut@mailbox.org designates 2001:67c:2050:b231:465::2 as permitted sender) smtp.mailfrom=marek.vasut@mailbox.org Message-ID: <78a1dcbf-64b6-4f3e-8d62-2bb9d26e9e20@mailbox.org> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1774446769; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=o9OZ4u4cVhWMS+y1LRMtoJYOo8sApnqooCJL/ZNuRAo=; b=FDrVHXBTcltC4Iufktx2VI/LiOCR2aN+YJi+meo2hqbGAFhFds/fqsuL8s70u0ByrB+hMF pydDyOXNF36CkKdnr/dymUphQ+pNMX50s8rhySooXkafbpoE3ry7YlLH5N7DEdx7tCPneX IeknfI+dzrXwZQy/fGHZjXniwlj7SnDgJSPdR2Z7q5L8gl8rvV7RFkYVHQQzGzIV2lQnzw U7805F1o/bl1/wnuNIBDymEPO4N9/IlnwF9a5aAEohiJGQ1b0MLN4X/oScMHCQ5fQhozDP rN94bxfAZPy0e7sv/yt6S4SbEha22PutMnZ7lFjPJJCdoRdBRBDl+TKwHRXCYA== Date: Wed, 25 Mar 2026 14:52:45 +0100 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH] arm64: dts: renesas: sparrow-hawk: Reserve first 128 MiB of DRAM To: Geert Uytterhoeven , Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org, Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Magnus Damm , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20260324143342.17872-1-marek.vasut+renesas@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: 8bf10851b491f6f89bc X-MBO-RS-META: j75d8ic77jhjuhdeawngtk8aegjzebjn X-Rspamd-Queue-Id: 4fgpJL2kK1z9tyY On 3/25/26 2:08 PM, Geert Uytterhoeven wrote: Hello Geert, >> --- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts >> +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts >> @@ -118,6 +118,17 @@ memory@600000000 { >> reg = <0x6 0x00000000 0x1 0x00000000>; >> }; >> >> + reserved-memory { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges; >> + >> + tfa@40000000 { >> + reg = <0x0 0x40000000 0x0 0x8000000>; >> + no-map; >> + }; >> + }; > > Obviously I don't like this very much, but I agree there is not much > else we can do at this point. Shall I add a > > /* Temporary workaround for broken TFA BL31 */ > > comment while applying? For maximum backward compatibility even with old TFA BL31 versions, which the users may run for whatever reason, I believe this reserved memory area is here to stay and won't be "Temporary". But I will be looking into TFA to fill in this reserved-memory node properly for this and future SoCs. > Reviewed-by: Geert Uytterhoeven > i.e. will queue in renesas-fixes for v7.0. Thank you