From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (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 165342DC778 for ; Thu, 11 Sep 2025 18:46:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757616363; cv=none; b=l6GvUdXXUvspcI5uBTEbjzHk6k3H6lkiR7Qk15mJydxG0oV3Pt8vf5Ua3/gYUuQKhcNbAqmDwd/2gwIGRdvL0xi8cjxMbgr2avENYOY7Fv6UFXahPWl7KwIugptIf3HpKHSP4nEKGWF3cC+rCEmuagwgQPO4pQk7rOjJJCtJr9o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757616363; c=relaxed/simple; bh=jMIemCZzS4/8PenidOe4LvP1cFNH/RQ3gLJoU+jtxQo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NJEbm1Dx22P7Vdlvkfpyil24pN7l9P7qeHxQzaq8lZhNOUW6YuX0RM6v3sKU5H3Kud3FWqMU0dGdKQ6jPmoaBOK8p+Yy5CfLZTrx2mB6iCYEU0SSrdfBefpT4PVg8ynCEp8PShxHuTaJ3AI6owc2Xz0OKP33wN4ZyrxHIZfBPuw= 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=L9GrAblU; arc=none smtp.client-ip=209.85.210.179 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="L9GrAblU" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-77287fb79d3so940193b3a.1 for ; Thu, 11 Sep 2025 11:46:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1757616361; x=1758221161; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=11u3ge/kZdqOdUCXMGxE61YAG8eluHRkzjjiYZfqJsk=; b=L9GrAblUfF4kPgYlg0grC159YedXe+iqMOCXhiMWaL29bwNW2fMhPHuHm8PzYSf171 XvBaKTLdU83mhhuRP8Cf1Sm5+w0VfNctsMDlC6RVtMqivAV9m282XYUR94pFZYqj9PL4 /UrzreDGyNysNdyzVdH4n4uFpCci9MHN2Zgx8XZ+JhqrIb+uDWjC8uWALnHsVFNUjq46 NBdzfE36LdE/5oC+na0KQNcBmYtIiS0sN11ziahUSVowq2e+zyAg66w6v0oT/spwg4bh 5i3vyQr8QP0xN3z4R2kLgO4pEikOFAhjTQLnhb23aINi75ELXpVDv67B5mAdPuqFNU/a eHUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757616361; x=1758221161; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=11u3ge/kZdqOdUCXMGxE61YAG8eluHRkzjjiYZfqJsk=; b=QgeKhMBzl2g7UUflIWJe4BfDxilzXyfC7NUCtg1CXbjcGrh5rzRVg5BJRzSUXKwxNB CMNzYRXrFlL8N9Kx1e0CqyJixcQk98AAYcwNeybFzz3GOR85YOEy7mao2e4bZkMriN+Z 9Dgvl/VaeIlZYn4fhRnsJ82/AduEZrRMQzH7kit2s4B2KB1B3/K5wrDb3ihGGsT3Mbgf J9VadL85cywTJRkCFoPW4Ouc/uZjI7UUa/xyC2llOKd/60wwYnKXNnQj06ldNlH0EcM9 yNj8S3mxWk8xg6C3VIfCDBOrSfGtU/U3PVypBjB8raNJ/8k8JPwTiWeUSZtOQfZHYq/7 6lkg== X-Gm-Message-State: AOJu0Yy6FFoHPxDGy3xbMvAiX1GepiJ6x+SW7EarBeXVEeWXGEWkviyw 1gtaGCNf2JAhleJm6g2PPsCRb1L/SGUNHDgtl/qnFZNGhGPua/QdMK5ghVkjX00iFOB5rw== X-Gm-Gg: ASbGncshjVcv55cDmk8l/mgs+SRGWWoI3fCuyAtBnOj2WjDBzyaVRnH6nL9dcfrC/mx KpXCXB0Tq1hFaJi9Mpn3A7qipYh9I8OFght5hWc0einiHehP9l2xnsxTOH5YEI9t10Xdu04TZk8 DZgiaXGwvZnWldGzGIEicsnb96hxot8fI4JC2VylCdaHq4gksHSnv0bsCRIapKNilDFJqrl9Fq5 586DYcFVF4y8UAzkLUa1s9uFUpxpTcS6YYfsaCKUOJZbPp/DKcBvn5eU7cnmjZBCdYYU5cp2NY9 74UUOzM6UAIoMZCmi1vlGfK+WwMY+6wXz2rlQga9MY1fQIK403qNJGLSffzcNF88uLn21pMSItW XnsFbjZIpJJll22RzQ69nNbm5Nt3miJ/6z8KhYU93qGy8Y4YsawBAJ7YDsQGgfDus9HWWvkjHoG rmZo4a6WNFUG5e77kzrbBnKg== X-Google-Smtp-Source: AGHT+IHd/qXnQXTsb5UgYgP0uV+8e03FjtD7UCE3WoNBYNYrck3TNfpFhSjkvJMDSsyUWGXnMfLorg== X-Received: by 2002:a05:6a20:6a06:b0:243:966e:21a with SMTP id adf61e73a8af0-2602bb59c2cmr401286637.36.1757616360643; Thu, 11 Sep 2025 11:46:00 -0700 (PDT) Received: from localhost.localdomain (static.148.173.216.95.clients.your-server.de. [95.216.173.148]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-77607b34790sm2762616b3a.81.2025.09.11.11.45.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Sep 2025 11:46:00 -0700 (PDT) From: Han Gao To: devicetree@vger.kernel.org, Drew Fustini , Guo Ren , Fu Wei , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Han Gao Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Han Gao Subject: [PATCH 1/3] riscv: dts: thead: add xtheadvector to the th1520 devicetree Date: Fri, 12 Sep 2025 02:45:26 +0800 Message-ID: <20250911184528.1512543-2-rabenda.cn@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250911184528.1512543-1-rabenda.cn@gmail.com> References: <20250911184528.1512543-1-rabenda.cn@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The th1520 support xtheadvector [1] so it can be included in the devicetree. Also include vlenb for the cpu. And set vlenb=16 [2]. This can be tested by passing the "mitigations=off" kernel parameter. Link: https://lore.kernel.org/linux-riscv/20241113-xtheadvector-v11-4-236c22791ef9@rivosinc.com/ [1] Link: https://lore.kernel.org/linux-riscv/aCO44SAoS2kIP61r@ghost/ [2] Signed-off-by: Han Gao Signed-off-by: Han Gao --- arch/riscv/boot/dts/thead/th1520.dtsi | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index 42724bf7e90e..59d1927764a6 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -25,7 +25,8 @@ c910_0: cpu@0 { riscv,isa = "rv64imafdc"; riscv,isa-base = "rv64i"; riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr", - "zifencei", "zihpm"; + "zifencei", "zihpm", "xtheadvector"; + thead,vlenb = <16>; reg = <0>; i-cache-block-size = <64>; i-cache-size = <65536>; @@ -49,7 +50,8 @@ c910_1: cpu@1 { riscv,isa = "rv64imafdc"; riscv,isa-base = "rv64i"; riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr", - "zifencei", "zihpm"; + "zifencei", "zihpm", "xtheadvector"; + thead,vlenb = <16>; reg = <1>; i-cache-block-size = <64>; i-cache-size = <65536>; @@ -73,7 +75,8 @@ c910_2: cpu@2 { riscv,isa = "rv64imafdc"; riscv,isa-base = "rv64i"; riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr", - "zifencei", "zihpm"; + "zifencei", "zihpm", "xtheadvector"; + thead,vlenb = <16>; reg = <2>; i-cache-block-size = <64>; i-cache-size = <65536>; @@ -97,7 +100,8 @@ c910_3: cpu@3 { riscv,isa = "rv64imafdc"; riscv,isa-base = "rv64i"; riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr", - "zifencei", "zihpm"; + "zifencei", "zihpm", "xtheadvector"; + thead,vlenb = <16>; reg = <3>; i-cache-block-size = <64>; i-cache-size = <65536>; -- 2.47.3