From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 450021E0E02; Tue, 3 Dec 2024 09:40:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733218848; cv=none; b=u5bmFU370VEMQiSxnI1n2vsihfkiWVFqHFcL+nk6WieQAuNCWdm4gAWIWnK3xgfNzCQ0sYTomltEIPyyo8LfVQxrmB3Tyom1sfbp2gNZ4JhPhTRDMQIhnZ/wGgrSTCOA7CkhSgHZH90Wlyf13Z6JNCLZjFbGjVItW3kV72Hf2YQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733218848; c=relaxed/simple; bh=gYMPaFGeU3S7YRLBugo5a0sqD9zXBU5qIQijbCskzNA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=MA5yWLW7gMsY2abdviZXTzg3HEJkeo3r4o0lP/owfgmuhU2m4e61D9UZjhu2CTpXEDb7r4NxdiGssB/R/IM83RHNRpl3wO54/lBxQ+BNrJB5J/cDZt6KwCcQAyLHoOSvnkmes7xhBQBdOKp0V/bEleOvmV5MuoJJOloVrqxiS4k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=qCJD+dRu; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="qCJD+dRu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733218844; bh=gYMPaFGeU3S7YRLBugo5a0sqD9zXBU5qIQijbCskzNA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=qCJD+dRuSqYKWH8eBzj/Tze8DaM+btMEpKNjlrm2TaRpQxFuLatXgGnbzBrPhjIeU uPwVK90bv9gKNOmf1+88aipUUOloXzo4KfiSa51s+BG7D9Al+sT1Ayj4DrF4fiEPha IXgXbRnUb9mfmHN63eXsnv8n8y7X4QTxvYQx4McknAJCWud9QcwjiP4AKch5u1j7kU TTdq8e5WU7DfbLnhmLxYXQt4q6CxkBDw40Q5dJi+FpXT7wvPPVuiMpadwtwdthtOWr RMN9mpdowXT8Wp5URcdUa7WgmSkBXfo8RhQttbqHtPii6lgkmhrYG7EY802q9I7k3u ukArmGA1mOS5g== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 4CF5C17E35D8; Tue, 3 Dec 2024 10:40:44 +0100 (CET) Message-ID: Date: Tue, 3 Dec 2024 10:40:44 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 07/18] arm64: dts: mediatek: mt7988: add reserved memory To: Frank Wunderlich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger Cc: Frank Wunderlich , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20241202122602.30734-1-linux@fw-web.de> <20241202122602.30734-8-linux@fw-web.de> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20241202122602.30734-8-linux@fw-web.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 02/12/24 13:25, Frank Wunderlich ha scritto: > 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 Since you have to send a v3, can you please move this to be the first commit of the series? Would make a lot of sense :-) > --- > 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 09dcb39ad098..1cf801486e61 100644 > --- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi > @@ -63,6 +63,18 @@ psci { > method = "smc"; > }; > > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + /* 320 KiB reserved for ARM Trusted Firmware (BL31 and BL32) */ > + secmon_reserved: secmon@43000000 { Are you ever modifying this outside of mt7988a.dtsi? No! So you don't need to add the `secmon_reserved` handle..... :-) > + reg = <0 0x43000000 0 0x50000>; > + no-map; > + }; > + }; > + > soc { > compatible = "simple-bus"; > ranges;