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 F1D29C88E5C for ; Wed, 16 Sep 2026 10:40:35 +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=0WSBopwb4Cb9HOoO/hMWiA+bgd04ZQBQSPMNhoyBkfQ=; b=pfzX1WeKSmbcsBB3yQoaQnwVSk XG2lFrKGVuylOLCOyr1jS/ZVWNhy8CJ6RQHPq1V71jqRBM7m7aTs0Ne2QdVKC6jK2xbjqLYKf53XM we5xPwty2C5Oq81OH1iGcz8vk0bfZVST/A+nnz6eh5Z8eC2q2C12Vtu8lQTG0IEYDGgr0o41rbjiC KIhd8umJlIN3dK6rv6+C0yvGGlKfrmUzEAZwTG+jC7PdIpl25Swuv3ubjX9H3Fx8mGcZuE1j2OSj/ Nhp37iEeHKdXuq98HCuGKOrf2PJ1JgExPZ7cI1jXAwGlXnP2RPcr3NmKYxc8+w43iUL1kzhf19bm0 1ggqmsqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6n40-00000008zl6-39qN; Wed, 16 Sep 2026 10:40:28 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6n3x-00000008zkQ-0N0p for linux-arm-kernel@lists.infradead.org; Wed, 16 Sep 2026 10:40:26 +0000 Received: from francesco-nb (xcpe-178-82-167-143.dyn.res.sunrise.net [178.82.167.143]) by mail11.truemail.it (Postfix) with ESMTPA id 80A961FF4C; Wed, 16 Sep 2026 12:40:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1789555222; bh=0WSBopwb4Cb9HOoO/hMWiA+bgd04ZQBQSPMNhoyBkfQ=; h=From:To:Subject; b=t6SCR7lzzUCi5mNNqwzPk74gVaCxDHMnqjLPHLI4Au1//cCfHM8pjZw5XBx/FqBia QNZm6hJkpTraDX1TCEqO/23QWLUWaEwIMfrjsspW7z9ubI1ALtyjCae1kgpeVslMBj rJ92jzetF9OpnkOrXX08FCtZg7AdgRDCi28j9/FdHaekVH8WceteXjmY53RpVHLIB7 AarH47CQejXFLprU7RZy2UM1/WOzTf/u5vgo6n1HZgZNTwT4Q5J4j93uo7Quaxa3ws VVumQuMiH4tD3C8qw5E6U6tv0SZUSJ2bs88zjPUWnxdQVanWU5Fhps8YCzMFWf7LmU SKWWu/FHoNknQ== Date: Wed, 16 Sep 2026 12:40:17 +0200 From: Francesco Dolcini To: Markus Schneider-Pargmann Cc: Francesco Dolcini , 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: <20260916104017.GA284106@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> <20260911052428.GB5377@francesco-nb> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260916_034025_735646_3F0295E5 X-CRM114-Status: GOOD ( 24.33 ) 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 Wed, Sep 16, 2026 at 12:17:42PM +0200, Markus Schneider-Pargmann wrote: > Hi Francesco, > > On Fri Sep 11, 2026 at 7:24 AM CEST, Francesco Dolcini wrote: > > 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. > > I don't see any bootph-* flags for any of the related memory regions in > k3-am62p5-verdin-wifi-dev-u-boot.dtsi. Is it in a different dtsi? What I meant is that any bootph- property is in arch/arm/dts/k3-am6p25-verdin-wifi-dev-u-boot.dtsi And I would not start adding spreading this in 2 different places. Francesco