From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr2-f12.google.com (mail-wr2-f12.google.com [74.125.225.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4B5DD4B04A5 for ; Mon, 21 Sep 2026 15:09:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790003361; cv=none; b=pFamlDUmdpoxiu0RzsaIpjHJ7Gv4hTy9DzToTEU7pCwcE2BQfQWjdH26Hl6ev02eAglF//B3SrQnxGw7EMQL4h7LwOj6SYQKLYrxCbyt52+6wYevl8rCyzQKzrnh+oKqevj8zWKyoXm6YpRiIUzGm5f+7XzpmRl+5aMJIsWgYJ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790003361; c=relaxed/simple; bh=7oCgxgnMTJm72ksYvBvCCDiMxSWPCHawhVNGVG3gnF0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mrDPTdxMo8XRq89gPoCmZgQCYKb6YT/9iUxWY33E7g55q1+5ZHJRDJ3MJoPr2RnggoFfARLIe98posRNWPJUJ2NoX33uaWmHCc60GYXeFOKT/jhBDuYRz5vhajgmqMF5N3sQtjhQF5Il1m/zkrV5IvzlXaKScoL+k3qwljcS02U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=opDFsxfq; arc=none smtp.client-ip=74.125.225.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="opDFsxfq" Received: by mail-wr2-f12.google.com with SMTP id ffacd0b85a97d-482f6356256so1036311f8f.1 for ; Mon, 21 Sep 2026 08:09:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790003357; x=1790608157; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=B/ZOmzg+WvtC9K7MxqhI9dmC9yNAOVlajFGrJ+kti0k=; b=opDFsxfqGmOGZ1bz+Rf7nOI4xNbONgr4gecsQrC0ubS7qc0DjhHmKDn02PZ+pZwzLW rhJb3INhdDje/g5a7M624lrBD2EnxWq580U/g0Pmfsj+HWybaDga/z4k31pXtIAYSQlT uLbjs0IpnlENBjPpT8sT4mxzd5Y2QLHUIPO+eC7nf5hgHTfo5wQUbc+MGLSKNj07ws6s MCYsOPqD7xctolejt8HytULREstRdUucen4/qD//fL/FGDoMABJl+72PAm3+SllQz/I0 8vq8L09Yn6gBPhWRFFkfO+cLFZXtJUjTg6vn28SIf5C+ihWSQXUKsUXI4bML7BQhke7q 1DWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790003357; x=1790608157; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=B/ZOmzg+WvtC9K7MxqhI9dmC9yNAOVlajFGrJ+kti0k=; b=KMj+VVCRY48QKZyL1wZhJ5T8i5Mbxf5e6CSrxsQF2FZAcGVI942WCN2kD1r8/tRnWd 2Lv/ZY5VtyjNQLsLOgws9WGPEXls9EoMPAyFE1TDO8EXu5la/X/lIi0xo1Hlx2uEdP9/ M5C1CzQIIKfTOMhTXG71kVb42RtKpmhOOWk3+ar9PIw/sxNMcXe0orV6XL5NmuEq8nID T+HPug3cXBXBhVx7aCxcSqcSyqW2eiraLd3VmQeIIPatljVscAFqDOkjDV2vyjfVMVt8 2BLbEEE4GhPv8PbGaowL+e2rpeD3bWGtHI6tnyvx29C/pJw1R8SKe+Ci2pwu+U/x5nL7 MFZw== X-Forwarded-Encrypted: i=1; AKwUvBzsZVDbUPC8w1A88o3g6BFKfWhKNRy2sQ7vlwTqwgBZKH1NDjPhzbwLxNxFoiSGdAiSyTL1hDLO+n563xE=@vger.kernel.org X-Gm-Message-State: AFuF++k6GJsHrCLUoghIzDVDqI1OW0IMzV6U/XP2/tlKKexJeVAbXX7y j28y4cXbumT03H9yO4RxEWukPE2LDjEgtQEshBxZZvglTE8nDzAd+BqX X-Gm-Gg: AYBFou3xzkdQ3dfzrBFAomG8jo7uHr1pMaCYMitxN8PpZuRo7QUj6Zn2tvhuU/lg62Q ew0H3/Oy6CAeUMEcvuBBCF3HL7B6WiXQhOzcixS33rgfMWWT73GEla20FnC8JlBGDeaWqA66qZG utmG7Uq2yKYUaIApe/XFq0+H5W8yJDTtxVFStbC7wCscrk4wHrJNtRuSQCkZvg+HyFPx4/uNDkC WeSsVfqkZbwKtg1AgWIujJo80gFgJ31rmqqqYBZ2rI7Pi0ScM+qCluj0D3Psehonm7YBwPutHGl TaH82GHqr4CCipsnN+nllYEVYFfDVzBJQr4FSZ+BpAre+MszTYvuqEl5KXjD/96AHsRe6u+2qhJ VL6tB/wLCO1r75tJxk8Oh/tpC6XOzr0aJTe/XRh2DzCRp01Zc1k44Z1SqLBObQyblgvJvsteDOA EVSTfYk2+mcUWsy0fVbpWQ7Ugh2xhFeaek9Q9o56PakIvS5qE0aBXr9EQ9V6ud/hnCsKlKJ8lFk 6eXl8SLzt9r8JzodphzA0972JLLS5ksXtdQqpnUt/YfUNddvc6dtm3zlP/m40MC5/qsHtJCS8H9 dtxM1h1QJnSiLziT X-Received: by 2002:a05:600c:3b0a:b0:49f:ce79:7a8d with SMTP id 5b1f17b1804b1-49fce797ab1mr105033485e9.17.1790003357536; Mon, 21 Sep 2026 08:09:17 -0700 (PDT) Received: from [192.168.0.233] (2a02-8388-e6ca-5780-e161-768d-5c97-84d0.cable.dynamic.v6.surfer.at. [2a02:8388:e6ca:5780:e161:768d:5c97:84d0]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fc56eff84sm255659435e9.1.2026.09.21.08.09.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 08:09:17 -0700 (PDT) From: Andrei Lalaev Date: Mon, 21 Sep 2026 17:08:59 +0200 Subject: [PATCH 1/2] riscv: dts: sophgo: cv1800b-milkv-duo: drop reserved memory node Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260921-sophgo-remove-coprocessor-node-v1-1-ace29446b327@gmail.com> References: <20260921-sophgo-remove-coprocessor-node-v1-0-ace29446b327@gmail.com> In-Reply-To: <20260921-sophgo-remove-coprocessor-node-v1-0-ace29446b327@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yao Zi Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, Andrei Lalaev X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1790003355; l=917; i=andrey.lalaev@gmail.com; s=20260901; h=from:subject:message-id; bh=7oCgxgnMTJm72ksYvBvCCDiMxSWPCHawhVNGVG3gnF0=; b=/HfpHWWsl0W+IWEQi4abC2w6SqzvmKlMQckSkNlWUn5dc9Mj2OzdmT7rYT+JYx8lh26QfJ78Q 6nk39nHIi6TCAUn4XyySgyaRyJzuiXrG/1Lw3F+tpSB5erRjmrskv3Y X-Developer-Key: i=andrey.lalaev@gmail.com; a=ed25519; pk=YHk+K3q98GV/1CigmrEAQ+Vc0o+GlFWt3j94jvrEh6o= The current FSBL can load firmware to any address and can also disable the coprocessor. Therefore, FSBL should modify the device tree at runtime. Remove the node accordingly. Signed-off-by: Andrei Lalaev --- arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts index 0e6d79e6e3a4..02848bae2e16 100644 --- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -22,17 +22,6 @@ aliases { chosen { stdout-path = "serial0:115200n8"; }; - - reserved-memory { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - coprocessor_rtos: region@83f40000 { - reg = <0x83f40000 0xc0000>; - no-map; - }; - }; }; &osc { -- 2.55.0