From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 34ABE2E6127 for ; Wed, 20 Aug 2025 11:47:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.248.80.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755690441; cv=none; b=XVKLPkSfehBlaATqb5RtCX+18cUoUQdyFqY1fMVZJY5k0enk2T+LE9zE91D/uteeshu+XcIy+iQY3YEbl+1R5dPh0qsaxKWVX6T/375PYOXiK3rXUHiGDB3Y08pMZJqFT+EUagQMpOEro1iKTDF3ttQlvRouO04BTZYrt/qxiuk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755690441; c=relaxed/simple; bh=isAlfiPFc1m6hdiuAYMbk9EbJ1vVtW8lZkAtwOmmbjo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fN7xzXlJeTZaxiGEUFKEL5y7FwHUd8gtd77JVbScJV29PTjNpjYpx6LUMek1hpJE89NnhDo61nB9C2AhSVDtzN0bJjySq3T1fPW1Wjd65lIakfpQ2o5wlqyCBomDGl4tRTe/97nNlTWlQJCeIvg0NBP7eI/5cQ3YyYcauHzRoxk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=permerror header.from=andestech.com; spf=pass smtp.mailfrom=andestech.com; arc=none smtp.client-ip=60.248.80.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=permerror header.from=andestech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=andestech.com Received: from Atcsqr.andestech.com (localhost [127.0.0.2] (may be forged)) by Atcsqr.andestech.com with ESMTP id 57KBJ8tP019008 for ; Wed, 20 Aug 2025 19:19:08 +0800 (+08) (envelope-from randolph@andestech.com) Received: from mail.andestech.com (ATCPCS31.andestech.com [10.0.1.89]) by Atcsqr.andestech.com with ESMTPS id 57KBIqmP018797 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 20 Aug 2025 19:18:52 +0800 (+08) (envelope-from randolph@andestech.com) Received: from atctrx.andestech.com (10.0.15.173) by ATCPCS31.andestech.com (10.0.1.89) with Microsoft SMTP Server id 14.3.498.0; Wed, 20 Aug 2025 19:18:52 +0800 From: Randolph Lin To: CC: , , , , , , , , , , , , , , , Randolph Lin Subject: [PATCH 1/6] riscv: dts: andes: Define dma-ranges for coherent port Date: Wed, 20 Aug 2025 19:18:38 +0800 Message-ID: <20250820111843.811481-2-randolph@andestech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250820111843.811481-1-randolph@andestech.com> References: <20250820111843.811481-1-randolph@andestech.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-DKIM-Results: atcpcs31.andestech.com; dkim=none; X-DNSRBL: X-SPAM-SOURCE-CHECK: pass X-MAIL:Atcsqr.andestech.com 57KBJ8tP019008 Specify the dma-ranges property to map the coherent port address space from 0x400000000 to 0x4400000000, ensuring proper DMA address translation for devices under this port. Signed-off-by: Randolph Lin --- arch/riscv/boot/dts/andes/qilai.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/boot/dts/andes/qilai.dtsi b/arch/riscv/boot/dts/andes/qilai.dtsi index de3de32f8c39..d78d57b3bc52 100644 --- a/arch/riscv/boot/dts/andes/qilai.dtsi +++ b/arch/riscv/boot/dts/andes/qilai.dtsi @@ -126,6 +126,7 @@ soc { interrupt-parent = <&plic>; #address-cells = <2>; #size-cells = <2>; + dma-ranges = <0x44 0x00000000 0x4 0x00000000 0x4 0x00000000>; plmt: timer@100000 { compatible = "andestech,qilai-plmt", "andestech,plmt0"; -- 2.34.1