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 20605C88E41 for ; Fri, 11 Sep 2026 05:24:49 +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:References: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:List-Owner; bh=HD7CwDSBdI7ApvW9myNSUssqtq9jDio3I05Sz3qKMAk=; b=IoWqFbjYLJzJhKrYm4+glNSHxc CmdMYS7AmDs45qwJs8MPe/lvQVoNxpn+baAu2Y4f0aciuN4wF2dReS4Ow4BLjUiFqwoBJdxoHtosX vcFJ/8KX2GIBwYpQaGn2ypkT5KbJz6CKYHYztgu58HdhQFT0Mv6n0SoU8kagFcXwxlEvxhy+1RRmm FI7bHW8mBi8lG0iUCBX2oFPqFeFB5KfcLhC9CHBD5pyeZ3nR9MPnwGitnzeLefjTyPIbTsnJwSaCn FM6Hca2n0Y0njkZYiRpeDDGdB8FyDd8wgPYzwr0sYrbgqtE6k4Xuz1KQuZr4NpBb5Hg0rhz2XxSCi 3XLBolig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4tkh-0000000Frxj-0bkH; Fri, 11 Sep 2026 05:24:43 +0000 Received: from mail11.truemail.it ([217.194.8.81]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4tkd-0000000FrxM-3Usv for linux-arm-kernel@lists.infradead.org; Fri, 11 Sep 2026 05:24:41 +0000 Received: from francesco-nb (unknown [185.12.129.179]) by mail11.truemail.it (Postfix) with ESMTPA id 65D9822A64; Fri, 11 Sep 2026 07:24:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1789104277; bh=HD7CwDSBdI7ApvW9myNSUssqtq9jDio3I05Sz3qKMAk=; h=From:To:Subject; b=JbPSjiN/w4LO9ADIbdIKV/vFf+H2SWOFS8oSWFQKzh0kkEmEYcB13lBle3Kq7WHAo WJyVffgJeIcbtVWFM+wZIobEHtAbTcg/S8HA2TI3INwZwmVfSy5lW3CzMUC/NHgima 2UpgOO7EcyxRxRlHThqRfxuUGRZXVAZGTPNu45AhJaFILlEemwYWMvsKXLKHTxzEN9 Xhl4VaMtisNJTMuLbZPBSv9dodVRnOtylbZSVL/luVqHgE4BHjECsF8DiCD3QsOnpf 4ZCAr3TWcncmfn/oMCF4ojhGFOPbtBgCMtkimt3OXaHdqwB8+w9v0Algi1A0PpFMNH Axg//UkbZ0wUg== Date: Fri, 11 Sep 2026 07:24:28 +0200 From: Francesco Dolcini To: "Markus Schneider-Pargmann (TI)" Cc: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Judith Mendez , Daniel Schultz , Andrew Davis , Siddharth Vadapalli , Paresh Bhagat , Bryan Brattlof , Jai Luthra , Devarsh Thakkar , Beleswar Padhi , Francesco Dolcini , Stefano Radaelli , Nick Desaulniers , Vishal Mahaveer , Kevin Hilman , Sebin Francis , Kendall Willis , Akashdeep Kaur , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Hari Nagalla Subject: Re: [PATCH v8 9/9] arm64: dts: ti: Add wkup R5F nodes to pre-ram bootphase Message-ID: <20260911052428.GB5377@francesco-nb> References: <20260903-topic-am62a-ioddr-dt-v6-19-v8-0-74c650dfdea6@baylibre.com> <20260903-topic-am62a-ioddr-dt-v6-19-v8-9-74c650dfdea6@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260903-topic-am62a-ioddr-dt-v6-19-v8-9-74c650dfdea6@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260910_222440_041074_6F7B744D X-CRM114-Status: GOOD ( 15.36 ) 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 Hello Markus On Thu, Sep 03, 2026 at 02:39:30PM +0200, Markus Schneider-Pargmann (TI) wrote: > For IO+DDR the wkup_r5fss0_core0 and the > wkup_r5fss0_core0_lpm_metadata_region need to be accessed before RAM > setup is done. These are used to read the lpm metadata region in > which data is stored to resume. This needs to be done before RAM is > in use to avoid overwriting data. > > Add the bootph-pre-ram flag to the wkup_r5fss0_core0 node in both > ipc-firmware dtsi files and to the lpm metadata region nodes of the > AM62A and AM62P boards. > > The board level bootph-pre-ram flag of k3-am62d2-evm.dts becomes > redundant with the dtsi-wide flag and is dropped. > > Signed-off-by: Markus Schneider-Pargmann (TI) ... > diff --git a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi > index 45ab9d947b3a..8976c0424cd1 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi > @@ -184,6 +184,7 @@ wkup_r5fss0_core0_lpm_metadata_region: memory@9ca08000 { > compatible = "shared-dma-pool"; > reg = <0x00 0x9ca08000 0x00 0x1000>; > no-map; > + bootph-pre-ram; > }; verdin-am62p has the various bootph tags only in the U-Boot dtsi (k3-am62p5-verdin-wifi-dev-u-boot.dtsi) as of now, I am not convinced it is a good idea to just add this single one here. Francesco