From nobody Sat Feb 7 22:55:18 2026 Received: from mail-pj1-f46.google.com (mail-pj1-f46.google.com [209.85.216.46]) (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 D39C31DDF5 for ; Mon, 20 Jan 2025 02:15:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737339334; cv=none; b=sN+orbd29oUia+WkHWknODLIKaULJJLE45050V5LwVSy8+HcjU/5dUMjdtPcOXecwHxpf0cLO9nAdlNweCSMY+qrX2cPWU9IfqUvTKU5Kifa6kvdEOwa/BDJoTbwKO9R58CmE7Y4PNzwA4uX3fQJaM/UbCHAs1fztV4o4ERM5t4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737339334; c=relaxed/simple; bh=X9sfWJWEvYzU0lPeAxiQ7/30klpMZoCCyEcp9wy0FU4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=GFmtaTOOLFUMSSS2ueSXMRt2fQh2e96LsgxvrGdntiXzhIbWfaWMnZtQZcgs/9WGwl142rycRnd6iNO1UvlWt3+aEXEyz2Tb9hyKD5FpybdyitLkVSVI6282uIPWms9IY0QrbplSrKReHYO+Q3uxFG3h6UfK+IV9IJrCJrw+kcA= 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=TVBbVVWp; arc=none smtp.client-ip=209.85.216.46 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="TVBbVVWp" Received: by mail-pj1-f46.google.com with SMTP id 98e67ed59e1d1-2f78a4ca5deso2848470a91.0 for ; Sun, 19 Jan 2025 18:15:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1737339332; x=1737944132; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=3ArKolxz3XHUBkmd4FJdZWMsFKG9Clr7/XZ1aHt7pho=; b=TVBbVVWp8UhuFA3rVP3RhDG1cMH6elYhutW5JrNbfI2Qm0M6h0u8pPdbB44+T0CNiL MzMktLXrf+jRYV6Q1H635FnuZaARwZhQgMAvegnQAtPFk6zD7JIw5dKoeaXFuzvBtiQ6 45OeRk+cqhdhkocQQr0ek1kK6Rcf3VJU5KHmE/9CIn8NfDTJLum7DKKBbZbagBsOzDYA 2AVpLWWAB/dgUcRFy3y+Yq55b1c8B9IorcEX0oPVLAbrVZTeFsbHb/8Nu/FlGPsxuT2Y cZNpqqGF+X6n5abcCC2RoSRp4P9AjTasRz2ii61+NIYTVw4NEFETBgfwBLytjWgv95mS ucfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737339332; x=1737944132; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=3ArKolxz3XHUBkmd4FJdZWMsFKG9Clr7/XZ1aHt7pho=; b=t9fRDlHKTvzV1M5M4bwsRARt82UezsWnwz4qKAtDyP4rw+3An0BEeudXZGwiTb44I3 FGrKuYpHooRgIleGxFTJWgFt7fQBF3HPhTOMn/6U+qq4YX2hzT7RZ+2yRcZ1SgyBEp4f C1g6VOb/UgA1xtrAMTVNQlUkldDSUAtXhiYfyW5/5h+rwlo9obMFRX94+4LPEP+0JEUd 0JAl7IJ/ZtqTAF4nnm2clk5P8S7kI8vRkktGFhUdEH+/+h9LbbBVD9qNLyLN73TGdUfP yxh47iLPlfxziz0yjClRn8neLQ/4E0SYINS9Z+nT4hVfSU5Kn030l+LYihvnKyKYi4fg FGFw== X-Forwarded-Encrypted: i=1; AJvYcCXsD/PoFC+inazJCqdohfGwt6MjsTgQwTrzzW2yur9nkK7EGpelOil3ItQFlihPzgHaoz5LTNoMw3PBolk=@vger.kernel.org X-Gm-Message-State: AOJu0YwNX69QRiyfETLnmIgDfW9qBc58UWgTRKq2a0cQbJIgkAbIxRH0 TsimtAx3WaAO5Et8J4u2ektTAo7eY+3B4Bamthhu/GTN+m8s/OOC X-Gm-Gg: ASbGncs15n+gVUBuXfJ2F6W7kn6IFAATdRrqQAraIX5zMRFKv8ZmUdD5r7+isQTq4Dk z75oA7XpmTvpd5PG3zsUUZfVxo1nLMvEvUvyCeQMOGBiXzTHSx9AEhuSQMtJEGAoaAvZ+9avFfm ry78r1CftguJREPRd+BpHfY4Vng4OhuMjsmnvk3YKPqb4aUKLb6dN4e2kkQvLU8pZ3uZMSzvBZ8 TRliUVA0td5Kx26fv+dBLL7zVq6ZYT6sYR3J5swq+kf0kqkihNhmGgSOsLygq0IwfqHlOaGPsMS 39E= X-Google-Smtp-Source: AGHT+IGU31dexvUtZPjGq5T24uJf3cCQN72PmBfX5+N9oBJzz0EmV8aEe/GUADGWhO+tWC4KFSSYxw== X-Received: by 2002:a17:90b:270d:b0:2ee:863e:9ffc with SMTP id 98e67ed59e1d1-2f782ca5d86mr14974921a91.21.1737339331964; Sun, 19 Jan 2025 18:15:31 -0800 (PST) Received: from guoguo-thinkbook.lan ([112.64.60.79]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f77611a28asm7068975a91.10.2025.01.19.18.15.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Jan 2025 18:15:31 -0800 (PST) From: Chuanhong Guo To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Chuanhong Guo , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] riscv: add Siflower RISC-V SoC family Kconfig support Date: Mon, 20 Jan 2025 10:15:13 +0800 Message-ID: <20250120021514.125455-1-gch981213@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Siflower RISC-V SoCs, including SF21A6826, SF21H8898 and some other upcomping chips, are RISC-V chips with T-Head C908 cores for home routers and gateways. Add a Kconfig entry named ARCH_SIFLOWER for them. Notably these chips uses ARM PL011 for UART. ARM_AMBA is selected for its driver. Signed-off-by: Chuanhong Guo --- arch/riscv/Kconfig.socs | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index 1916cf7ba450..2a700c51594d 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -19,6 +19,15 @@ config ARCH_SIFIVE help This enables support for SiFive SoC platform hardware. =20 +config ARCH_SIFLOWER + def_bool SOC_SIFLOWER + +config SOC_SIFLOWER + bool "Siflower RISC-V SoCs" + select ARM_AMBA if TTY + help + This enables support for Siflower RISC-V SoC platform hardware. + config ARCH_SOPHGO bool "Sophgo SoCs" help --=20 2.48.1