From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 26D1F1DB127; Tue, 8 Jul 2025 16:55:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751993742; cv=none; b=XLHh0/bOcl3mGj8rU5bbe1nvB7Xdb+PorOy5gjEbhmS+FYk/TvtAkUzFPpLui1V9m59ytX/HN63MeW0DxO1U915lCA86aRtqJfPjaIVGfVQB1x74q2zqC4Fv84V77Yd8DFsRDbDmVbzoQ/idMv96SnEybD7Ow2yWHDoZ41PwCOw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751993742; c=relaxed/simple; bh=9SPb1rRg+3+y0YQTrg9m/lWRcSKvEJxMR3VbM/EFUUA=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=Prx+5ljX6Nsuim3epN7Jz/2bfr7TQFefNlr1/KqSbaS/pGoAxzyUSdgyOlOhbGkHBw3vqghTCdoBPizpxynNY5ZvA6nJ25e6u8aU8d9KmWhL+L7O4KP5ph/hEUOwHjZrt7uZKkdUSq5jTqeyssyeyxD7f7kkIbti4oYcDLD5+x4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EHpaHR0f; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EHpaHR0f" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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 >