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 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 AE5DDC83F09 for ; Tue, 8 Jul 2025 17:29:09 +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:In-Reply-To:Content-Type: MIME-Version:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=cpbYyesIjYC2i5hYzrhkmtMKaF4zvzwxQqK77r3sLjM=; b=lGs5VWwx8CNlyO hMoUVUQKptfxrwEUkObmz1sCYGVH9oGP/Gb3cx2ZCtNKRsB1GXFMPp4oBtnUHpm1T+Svxb9Tihe0b fKV1Ngh0n2c3NnNSfK48ZN4ZkKVoNzn2CsSWdu0F9taPXnA2XeOeOEdTETzniQMTf3GPiU+jxTWRi bcEi8NAuOCGF9VtNNztCN3+P2WcD6/pcTcTDj9CTiR14mSnL9FyMdKJ0tnwu6ECJrQSeZ1ljMU424 adZUk8LtxxffYvNB+3MB1E2ZCq8e+1QgXKLhT8kp56Ia97tP6R/7OloVCZFddeAzsqzLuE3rRiyyk HYGNkDTSAIyXiVNCCFfA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZC7r-000000067I7-305E; Tue, 08 Jul 2025 17:29:03 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZBbb-000000061sj-0UNP for linux-arm-kernel@lists.infradead.org; Tue, 08 Jul 2025 16:55:44 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 413E5A53ECE; Tue, 8 Jul 2025 16:55:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB01BC4CEF0; Tue, 8 Jul 2025 16:55:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751993741; bh=9SPb1rRg+3+y0YQTrg9m/lWRcSKvEJxMR3VbM/EFUUA=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=EHpaHR0ffbOEJLvutnq6EJZxTb4B+wsgE0ku2vZ6OGZue52AHZyXy4ClSNQErDb1A e7wui51WfrOD1y6A/38rkoxGDfxsj3KGtcUIrWFw4rT54xVXMd0v6lBBxslKek1GyN erhDuARC7u3/perdrZ31s7mVo0aRRtDORWHdjZlz0WzMWQdzaGGBoEORy61nJZxM15 H/hdHI+IikZEqweykpUhM393xWfSLHwKd/fLxdCxfEu6onms3cKXezc0x4pChK3OT0 iPaMKXcN0jjSwn+w/lhOPOEWidhO26xgsz6AzqZ2pfBY8BYZrkjJMyOYQzbCrw2n4u 36fkHlc7ThUQg== Date: Tue, 8 Jul 2025 11:55:40 -0500 From: Bjorn Helgaas To: Claudiu Cc: bhelgaas@google.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, geert+renesas@glider.be, magnus.damm@gmail.com, catalin.marinas@arm.com, will@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, p.zabel@pengutronix.de, lizhi.hou@amd.com, linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Claudiu Beznea , Wolfram Sang Subject: Re: [PATCH v3 7/9] arm64: dts: renesas: rzg3s-smarc-som: Update dma-ranges for PCIe Message-ID: <20250708165540.GA2148533@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250704161410.3931884-8-claudiu.beznea.uj@bp.renesas.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250708_095543_215700_FFD94D28 X-CRM114-Status: GOOD ( 18.38 ) 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 On Fri, Jul 04, 2025 at 07:14:07PM +0300, Claudiu wrote: > From: Claudiu Beznea > > The first 128MB of memory is reserved on this board for secure area. > Update the PCIe dma-ranges property to reflect this. Can we include a sentence or two about what the "secure area" means? I don't know how to connect this with anything in the driver. > Tested-by: Wolfram Sang > Signed-off-by: Claudiu Beznea > --- > > Changes in v3: > - collected tags > > Changes in v2: > - none, this patch is new > > arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi > index 39845faec894..1b03820a6f02 100644 > --- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi > +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi > @@ -214,6 +214,11 @@ &sdhi2 { > }; > #endif > > +&pcie { > + /* First 128MB is reserved for secure area. */ > + dma-ranges = <0x42000000 0 0x48000000 0 0x48000000 0x0 0x38000000>; > +}; > + > &pinctrl { > #if SW_CONFIG3 == SW_ON > eth0-phy-irq-hog { > -- > 2.43.0 >