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 461F1D5E370 for ; Tue, 16 Dec 2025 14:33:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=feWPZP1DopbRQxM0Poowi8Xe/Zz9fWCNGisAVognoxs=; b=I/iEQ3hjlLutcF utwXQJjxmEzj80ktxrwJfjWK4IVaYHYlPotNisE48b2SJNbn6cVgge4hUg37R/UbmbpfRxCuZ+vIR oxYZvHemE3Sl9Q1aLYBmWgnt/n6HM1b2Hhmk1tMMzCjQgzxB3FDENWufCudrzWOle8FnS6EzcclIG q16Fb7SZYb6ciqpLCcRE2wgvVfscs+J5Velr+HdFun4H3bzb/NNNItlkrDXlWKi2CVyLzMivgovJc vFmzeaau3KFCB7g6qQMjkUW3uGOmt9w826Inub3sTtaz2ax9xatnGq1Kzw7+4y3XtK7Ux8jIC6OFT 8eJCXF7Rj4BZDiR4J4ug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVW7R-00000005LZE-1HOf; Tue, 16 Dec 2025 14:33:41 +0000 Received: from smtp-relay-internal-0.canonical.com ([185.125.188.122]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVW7N-00000005LYf-0W5x for linux-riscv@lists.infradead.org; Tue, 16 Dec 2025 14:33:40 +0000 Received: from mail-ej1-f69.google.com (mail-ej1-f69.google.com [209.85.218.69]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 905583F5B6 for ; Tue, 16 Dec 2025 14:33:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20251003; t=1765895613; bh=9ouNQ2G+BbmqznnUeDUFFC3dk1Z2drfKLGm7ohEM5u0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=kgTTFIhuR/Znn8WpH4EU4siI1iD0tDHemwOpGuc/yC96Al+9ZN6yN1ejIkdThN4rZ 1Tpc0ousCioQvjjaqCijxSg+XYITKJBSmz7lj86iyJPtx8wSMwPo1o9G36qRBA5XvJ KhtUC7ZeYtpjXvkpl6SpnyVEHOaaedsxA/qBLJB5PWvauGmvt3W7jY1XBgbSVnjy1V x2FGrFOA+ZkGzNdWp/EIbGFCQg+zkWAVWBEzNNl2e/e7cg79NIQIY96o5bIilpGMbS DCyf7PquGh7syzWkib6rG4aFuNjL/GCgtS87Ii5KtJo44mjZHUgNONhZNimUyWZ/NY pnPOKklJ4iJNKDQW5dofABENaO2xyHTVIoSqKXcCTikFzx7HiOzlh+MvBdPNWFP7rb 1bB2uOOLr3PxDT4G+3fs7GfoCsg5NdHPNCxlhMtmNF46hcLE4+tLhLkceHzohDIwuA cyS0yIoUWm2gcF81uDZhCpkS9m9WaAIv0DWyY+vwXJL0sobYgoDpzQ80F5GQLUooG0 pGy+EBZiRINK59g0hUYyywYlggG7/nVYx80YxyF0/Mky9mHaVSgSGdlgqzW0kii66p /wJBcNIs9HHF3VV6yxBMwQcrcBOLMwWMm3mAmXfgERxNz9Q0z5jIv7GX6BqWMGGEus 4359VUcgIux3OvNXqoZ8jSeM= Received: by mail-ej1-f69.google.com with SMTP id a640c23a62f3a-b73720562ceso446350766b.0 for ; Tue, 16 Dec 2025 06:33:33 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765895613; x=1766500413; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9ouNQ2G+BbmqznnUeDUFFC3dk1Z2drfKLGm7ohEM5u0=; b=eKTVolN41MzEgWxN8wLIKM4sCx9w4GHwRVdNDIw4BZdOAChy/JhF/x5MgNvVH0hXwj atUWhYqw1eZ44OlQ/o1NYUfub+ssevGRywQHmdLXczEyWdkDh6bd6+sKdjLcxDsLb5q7 t29P5WG2wrQATNFLg/PQMTneynta9PT1fB61p2jmdzBTAfNyHzvZ4Sp2mYnyMu4+/MAw 5kWDKyZF43wy/EXQ8E1eOMu2zxDkM5uqlkMU7ipuSeZWDz8ir9U/v8EMXelIeWHqVFEj zUvDIU8o153gHjpLc2fcFyPAFW8gs8V4wsyV44afp4O+F9hYerIarMT5Pui2munVhIP4 R/6A== X-Forwarded-Encrypted: i=1; AJvYcCXuei+OZkto+AIhmQFpb9mm4dJZ2SNql/onwv/RJZmxegX1fnxgMPSb1SZ7XvoBe3OTLpEugINyAtGBIA==@lists.infradead.org X-Gm-Message-State: AOJu0YwhRNdPH4b6r7fo1N4EPHQBTIAIyq//F8dkfwPE9oGZN4pjSdYO SoDNZeoGDQus+8HrfM+QOGT8cTACAD85orrFTEVC/CggVWFgXeSfelmgw2nfKGHsjgZJLTN40R5 cXu857EiDzsmGNuaw272hdcMEFo5xdXSumtICCdkA09sR1kVw7DOe/5StcdYooEr8NOsktm49ul lAc8J1URsPTg== X-Gm-Gg: AY/fxX62JpzPUxaPF+wiCylHo3QDYS4Rd3RdrZY+TjtzijtOl8Wod9sC3Yz4tXItQ64 9xRQE46UcQKNioSj4I/9+Lz/aTeF4jr7MEcimsC63hkw6Z6Mv1NYC6yRx8lDnmQJHnEm6S4j56F 24OSC8MbIdkfM74HiRW+4GoU9ck8q5Xif/FdIzwQLySQl2aZ/g10SIoqpUB3dONgB9Mn+73mNPr 03jw6eOTClxWyrTZGhe3TtbNvc5FrfzsIdU19IjTDIj7g4gwJ7LWba2RFT0Ka+AAHyjI2pvlRCx xl46rLHBfWdeXcNLaHSpc2LK1I9z3uHlvPDqg9r/1tZxmiTCHrET2brUoSkVLKqg6MG4Dzzx3tK dzUtIqqY8c7OV0ap1QzkDYOD5w7+8VyypVDMdmxthvgo7DS5g+gmgFsGeAv5hf+KnK57Jw2wkWw Esjc+Wapg= X-Received: by 2002:a17:907:96a6:b0:b7c:fe7c:e380 with SMTP id a640c23a62f3a-b7d236f7860mr1528082166b.13.1765895613044; Tue, 16 Dec 2025 06:33:33 -0800 (PST) X-Google-Smtp-Source: AGHT+IEHFzNsGwKARkXS4ZtDItuBhnrQn1fUzZeAB6AToGes9YgJGJs29bqvEiQXmenKj6k0dHe4vw== X-Received: by 2002:a17:907:96a6:b0:b7c:fe7c:e380 with SMTP id a640c23a62f3a-b7d236f7860mr1528076966b.13.1765895612514; Tue, 16 Dec 2025 06:33:32 -0800 (PST) Received: from [192.168.103.125] (ip-005-147-080-091.um06.pools.vodafone-ip.de. [5.147.80.91]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b7ff725efd8sm171981166b.27.2025.12.16.06.33.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Dec 2025 06:33:32 -0800 (PST) Message-ID: <3c38ce9c-4259-4149-bf2c-a54e74c00a34@canonical.com> Date: Tue, 16 Dec 2025 15:33:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 8/8] riscv: dts: spacemit: add SpacemiT K3 Pico-ITX board device tree To: Guodong Xu Cc: Paul Walmsley , Palmer Dabbelt , Conor Dooley , Heinrich Schuchardt , Kevin Meng Zhang , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, spacemit@lists.linux.dev, linux-serial@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Daniel Lezcano , Thomas Gleixner , Samuel Holland , Anup Patel , Greg Kroah-Hartman , Jiri Slaby , Lubomir Rintel , Yangyu Chen References: <20251216-k3-basic-dt-v1-0-a0d256c9dc92@riscstar.com> <20251216-k3-basic-dt-v1-8-a0d256c9dc92@riscstar.com> Content-Language: en-US From: Heinrich Schuchardt In-Reply-To: <20251216-k3-basic-dt-v1-8-a0d256c9dc92@riscstar.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251216_063338_416730_70F1ADAF X-CRM114-Status: GOOD ( 16.73 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 12/16/25 14:32, Guodong Xu wrote: > K3 Pico-ITX is a 2.5-inch single-board computer equipted with a SpacemiT > K3 SoC. > > This minimal device tree enables booting into a serial console with UART > output. > > Signed-off-by: Guodong Xu > --- > arch/riscv/boot/dts/spacemit/Makefile | 1 + > arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 25 +++++++++++++++++++++++++ > 2 files changed, 26 insertions(+) > > diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile > index 95889e7269d1bae679b28cd053e1b0a23ae6de68..7e2b877025718113a0e31917eadf7562f488d825 100644 > --- a/arch/riscv/boot/dts/spacemit/Makefile > +++ b/arch/riscv/boot/dts/spacemit/Makefile > @@ -4,3 +4,4 @@ dtb-$(CONFIG_ARCH_SPACEMIT) += k1-milkv-jupiter.dtb > dtb-$(CONFIG_ARCH_SPACEMIT) += k1-musepi-pro.dtb > dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-r2s.dtb > dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-rv2.dtb > +dtb-$(CONFIG_ARCH_SPACEMIT) += k3-pico-itx.dtb > diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts > new file mode 100644 > index 0000000000000000000000000000000000000000..0f9d04dd352f5331e82599285113b86af5b09ebe > --- /dev/null > +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts > @@ -0,0 +1,25 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) > +/* > + * Copyright (c) 2025 SpacemiT (Hangzhou) Technology Co. Ltd > + * Copyright (c) 2025 Guodong Xu > + */ > + > +#include "k3.dtsi" > + > +/ { > + model = "SpacemiT K3 Pico-ITX"; > + compatible = "spacemit,k3-pico-itx", "spacemit,k3"; > + > + chosen { > + stdout-path = "serial0"; > + }; > + > + memory@100200000 { > + device_type = "memory"; > + reg = <0x1 0x00200000 0x3 0xffe00000>; Shouldn't the reserved memory be described as no-map /reserved-memory nodes instead? I would assume that 0x1,0000,0000 is the location of OpenSBI. What is at 0x3,ffe0,0000? Best regards Heinrich > + }; > +}; > + > +&uart0 { > + status = "okay"; > +}; > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv