From patchwork Wed Jan 4 08:45:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Potthuri, Sai Krishna" X-Patchwork-Id: 13088311 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 CA6CBC46467 for ; Wed, 4 Jan 2023 08:52:00 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=oyxkrCJX5eOATXmSYZ721FhDA3CNcsmZl8iDSjy4lNY=; b=48aLKS6qX0r5iE w7iOn37zgnoD3cKlV5qns5t/PkzsYrfkHmxAxBT/brDvQ94e7k+5TtIkak9rvaUT3hNbeJ+uPfYbA +4ZzCslgB2wJPPM7xn5d51dD2ac17GvQKwDKE0E5/5SZlukCqEfWSvSuNG5QqwZIsLJaaHSf/4cSA NiwBwHws+HDRh20zn/t85xQjWxH6uUsrZ9OD2Dl4A6C/kVqO5EVxuqf/QrpQ5vaHlVtOPcNPBMqsH VL5qyxEJsY71uQjvk/Htp0R4lN60L9Ua9XrVrwdutjU+zFCZq3A8XkP5zpcuulng9yRahsxkHfdwy Wm7WAziswC8N+JeUwyiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCzU4-007mrm-KS; Wed, 04 Jan 2023 08:50:53 +0000 Received: from mail-dm6nam11on2070.outbound.protection.outlook.com ([40.107.223.70] helo=NAM11-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCzPk-007ktd-E4 for linux-arm-kernel@lists.infradead.org; Wed, 04 Jan 2023 08:46:26 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VQjdxVnRMZAC5W7f1uuqtN5yUbg9njZoPvaMtx32bhKhWgwAr8l8OSO7YLdikiBnxjFMds+BTBN0UZc2tJ9lllloaVe5sZcifrfpLSHGsAnafG5aJbx7wuyTGr22j4PP6W8CR7Da5GdbQGaTiLrFydJ0zh0mNQnm/7Nd1+qpPgjKzJG63fu8GsgYd88GI/fUxpVO1q66YJfCIdhU4ZGXaAhWjOVag6+SA6pq1ce7zI6o0EpctCHCUPz8TuIkHSTPqnEjeX7F5jvIioH3DA2pGIAzqhwpk4RvMjHtNsjN4CuhxXPNOUWfd5XHpV0/Fedti4p2a3HsbjLMALtwViQ9Bw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=+cQZZHGFdUxQAb3p5W87JKk65WI76ShWMAeOXr06COc=; b=BXalzAW7TA5NIOq27PyLtD66SpNRelKtMlCian5Qa4j17otmBO/eMHjj/Z/AAr/oWs/U6v4Tz1anKggjGaP5ab+OcVfA7FYGDg3vky7dpon75qz/Qok/0TI4b51dRrDP7+gwmVSiRQJJISSDX6W6o6U81tS+g+vXgmCHd2t6kO76w7l1R5zU9JJ7Elq28FMlr+BhJHwdpuZQt22E/ddUGYRT9zMp1U17qLyvWipsc0UsveShvtLf2zygn3oMPIbbmzcxudq2YhKnI93xdM5qJVwNbLSjehL1Xk7cCQuwAr9K1VLMRNHPyaoEUKpaD93OOloKnIh6nLlCbfLMl1GdPw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+cQZZHGFdUxQAb3p5W87JKk65WI76ShWMAeOXr06COc=; b=iezJvQZuYOwBpytRySsrHYQZj8KlG3VMDae0HKzsHtpHGsvkQKnM2b3RmcvzdY2DHCnv5LIlJx82SrONajUzby2mjuL8wndTJ1VMQV6vguZwgRDkN8vMeWcBF6pcv/LAP3AJvySf7TvSMUSvTJxKTlDmOjnPjXqsmUmcxEPlWUU= Received: from MW4PR03CA0121.namprd03.prod.outlook.com (2603:10b6:303:8c::6) by CY5PR12MB6034.namprd12.prod.outlook.com (2603:10b6:930:2e::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.19; Wed, 4 Jan 2023 08:46:18 +0000 Received: from CO1NAM11FT114.eop-nam11.prod.protection.outlook.com (2603:10b6:303:8c:cafe::7f) by MW4PR03CA0121.outlook.office365.com (2603:10b6:303:8c::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5986.14 via Frontend Transport; Wed, 4 Jan 2023 08:46:18 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT114.mail.protection.outlook.com (10.13.174.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5986.14 via Frontend Transport; Wed, 4 Jan 2023 08:46:18 +0000 Received: from SATLEXMB08.amd.com (10.181.40.132) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 4 Jan 2023 02:46:13 -0600 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB08.amd.com (10.181.40.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 4 Jan 2023 00:45:55 -0800 Received: from xhdlakshmis40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Wed, 4 Jan 2023 02:45:50 -0600 From: Sai Krishna Potthuri To: Rob Herring , Krzysztof Kozlowski , Michal Simek , Borislav Petkov , Mauro Carvalho Chehab , Tony Luck , James Morse , "Robert Richter" CC: , , , , , , Shubhrajyoti Datta , Sai Krishna Potthuri , Krzysztof Kozlowski Subject: [PATCH v7 1/2] dt-bindings: edac: Add bindings for Xilinx ZynqMP OCM Date: Wed, 4 Jan 2023 14:15:11 +0530 Message-ID: <20230104084512.1855243-2-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230104084512.1855243-1-sai.krishna.potthuri@amd.com> References: <20230104084512.1855243-1-sai.krishna.potthuri@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT114:EE_|CY5PR12MB6034:EE_ X-MS-Office365-Filtering-Correlation-Id: 8d597609-4570-45e1-a7b5-08daee30258a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: RSEHxa/TFqAAN7RzIw8AQA8ZyaiZNquiN+BqWOl2kvYgjgOfrjqQhVfzP53cFFIBzbpVF+RUqsuc1ra43geOtjgB8pCT3aZ6wBaOk+3Sn0tIYzeljE9AwPDpxbNQvz22dwQFTtNTw/pp7fmYBfv1FnTlHFT/vUH7eWPul7tFjSQ/a4hB4l/8ltlc7NSCJh0FqlfPdXIuvkcW102ggPOL9oQJqpFU2Jgst9t4aQsOr0jji5OxA8EN8iWSakGS5ANXMRdNAf12bTINB8rLFdWloYhwq3GPbku7HHQNaZdt7FwoFFvqW0fh7fmgP2qgdGb/jSxajykC/oH1zN0B8QkHUOKDpqARO0g2a8omAON97iKH+FjjL5mGxGwHFADVh/zw5+56y/19jw/92XEItJCfpyBzcW3zb1XfsyLEIGN1fbJRQVos7CtSgSh6A6VvH34SzDZOSU8WYaIme0bj0B5hYOi7kEy+oN3TClCKbJDFbRgQKDMBu5EWjV/VZ29dOfYUvHar/I/wMg/r7u8Wc9CNAL961BLh2gkx4PKGjYJ+albP5OdSJLXzdhtMc/PLj9qhlt3QvTcTi1fcViWFC7V/1P1TCl/OX/rETPaxZlr787iXGWBJDvMAtMhZFLXPuGo3EqAVgQt7PtoJoc3iSqz0OsD87a7bYQaUtORARW5lJGk1rQ6zhJI0CJfq2jr0cxVnGDXJTzJsonK4nxw26zT9ktTrn8deMEuOJWY3w0wIEAFZ+MgKZjuTrEUimXcp3bERkfONlD4ocIyyt/jdC+uwinjfRAutpzY6uNpzY/CVKyI= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(396003)(346002)(376002)(136003)(39860400002)(451199015)(36840700001)(46966006)(40470700004)(5660300002)(8676002)(4326008)(6666004)(70586007)(70206006)(8936002)(40460700003)(7416002)(316002)(54906003)(478600001)(110136005)(2906002)(966005)(103116003)(41300700001)(356005)(81166007)(82740400003)(2616005)(336012)(26005)(47076005)(186003)(426003)(1076003)(36756003)(40480700001)(36860700001)(86362001)(83380400001)(82310400005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jan 2023 08:46:18.0468 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d597609-4570-45e1-a7b5-08daee30258a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT114.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6034 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230104_004624_729624_CD9F97F9 X-CRM114-Status: GOOD ( 17.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Shubhrajyoti Datta Add bindings for Xilinx ZynqMP OCM controller. Signed-off-by: Shubhrajyoti Datta Co-developed-by: Sai Krishna Potthuri Signed-off-by: Sai Krishna Potthuri Reviewed-by: Krzysztof Kozlowski --- .../xlnx,zynqmp-ocmc-1.0.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml diff --git a/Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml b/Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml new file mode 100644 index 000000000000..ca9fc747bf4f --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Zynqmp OCM(On-Chip Memory) Controller + +maintainers: + - Shubhrajyoti Datta + - Sai Krishna Potthuri + +description: | + The OCM supports 64-bit wide ECC functionality to detect multi-bit errors + and recover from a single-bit memory fault.On a write, if all bytes are + being written, the ECC is generated and written into the ECC RAM along with + the write-data that is written into the data RAM. If one or more bytes are + not written, then the read operation results in an correctable error or + uncorrectable error. + +properties: + compatible: + const: xlnx,zynqmp-ocmc-1.0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + memory-controller@ff960000 { + compatible = "xlnx,zynqmp-ocmc-1.0"; + reg = <0xff960000 0x1000>; + interrupts = ; + }; From patchwork Wed Jan 4 08:45:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Potthuri, Sai Krishna" X-Patchwork-Id: 13088312 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 C812AC46467 for ; Wed, 4 Jan 2023 08:52:15 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/h5Br3YZO10bGtWRjZ5Cz5/5XMjer2tt9EdNjSl/pbs=; b=lwtQivnR97RTwC KNUJp7zDVHBmTKRoCJqPQGGVtodvOkxVkWkyzFF3yRRgaE7PB81ir4eJhI11Yc/AdHnQWndhO6eqv 4Ps/i8RhnKotHuH5ZSfpXEz0GoVkcSUu8ldWTwDfYsHYENHq0ICzvYnutAA63/r4PiGGWJVkV6yEY ITtkBwwvXySew7WRKRnt/vaTnX4LnoEGNS+5JUwaEGqEuiAzsUGSvL5ESgeylU1rolGo0dzo7yUgH fVFL4UJRAfL8C+HhYIXGlRDpKRG6lBG3v3kvEgtjOwlOKzQ+5zBGa1PmUVN+VCAKupoT+XaskZCaK Iqz7syyIOWuF2Y0S4+9Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCzUJ-007mxH-U9; Wed, 04 Jan 2023 08:51:08 +0000 Received: from mail-mw2nam12on2050.outbound.protection.outlook.com ([40.107.244.50] helo=NAM12-MW2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCzPk-007kux-PM for linux-arm-kernel@lists.infradead.org; Wed, 04 Jan 2023 08:46:28 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JaG+XKrbgICFjcVrj5lMPfWmU3MrvqbFQ1Z0KKbYBe/D96DldHXT6GnZnMmV3Ld7eBAASD5AJBjcCb+q0SneOVcVTJLgygsQa2hEVrIgvqIxusQdXBpZNJ3/Q/h99awkvUHhoTOOXTqHBepM0YlHceYEYPWRm8syZqDlyPeUYZscavmaGeG+BhxYoHZgKcEWBjd2u/XX4H9N9n6a7O9/ddYlQjlRfdpPaQUc7JYC9qPqY/VrkrBRFdY2Njqu3HrhiOarxRdkKAH5iybED9fJVi8hcOS9CNu/bAHMPwgDA17sy4USIknJlj3bitaBgEvOO/aWdisjoSCenua0CACcZg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=2LAlgaDiFBuoBrt/h4a+gzpNU/00O6LTwddxJLOvbzk=; b=ORj3tJJlZ0CwY1ca5y1UJdIO5nPcX7uveN1fMSLz2So8xbfl8ZBx1isV7Fgl6EErcUOW+OQaJLNuovxFdFEDYUoxpSvgt/d6linMx/Cov7DVSgRzF7eFVV7G37laBCRFrf8GOdeafpPRHdtU/V4ruc5ZnLQdpIf+mhl9ccMgTbdnNSwksVagK2IY1PzduFqVokS6Jv6pD4UBfYfvGPJ9NtVcxci0bN7lqglWZG58SqEJUQU97XMNt6GbsFSQmgiBwSpfbbr3Fly74dZSvjh+xzm/WjcoJBdkU/nrYvg9hJs0vxY4Cdzwz+BUb/jDLzCi/YROOa/LaRfTMsy7SbHzjQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=2LAlgaDiFBuoBrt/h4a+gzpNU/00O6LTwddxJLOvbzk=; b=ZMIUpCOOq8FE7J1akCq9HKyL4bhSeXcCEajcH6ICVjlOttpSsp7wsiyVCLzE1E1LGYXcqRWv3dRAVk/rJF/ndh/AzpuEFNaMSOD1DyYbvVRLx/x48vANYrCgTv3/qP6Fi4Jo8Xjlt9eI2eB6kdps1Q+e2CtIGnkfBL1V3iTUfmo= Received: from MW2PR16CA0045.namprd16.prod.outlook.com (2603:10b6:907:1::22) by PH7PR12MB8425.namprd12.prod.outlook.com (2603:10b6:510:240::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.19; Wed, 4 Jan 2023 08:46:18 +0000 Received: from CO1NAM11FT035.eop-nam11.prod.protection.outlook.com (2603:10b6:907:1:cafe::cc) by MW2PR16CA0045.outlook.office365.com (2603:10b6:907:1::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5986.14 via Frontend Transport; Wed, 4 Jan 2023 08:46:18 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT035.mail.protection.outlook.com (10.13.175.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5966.17 via Frontend Transport; Wed, 4 Jan 2023 08:46:17 +0000 Received: from SATLEXMB05.amd.com (10.181.40.146) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 4 Jan 2023 02:46:13 -0600 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 4 Jan 2023 02:46:00 -0600 Received: from xhdlakshmis40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Wed, 4 Jan 2023 02:45:56 -0600 From: Sai Krishna Potthuri To: Rob Herring , Krzysztof Kozlowski , Michal Simek , Borislav Petkov , Mauro Carvalho Chehab , Tony Luck , James Morse , "Robert Richter" CC: , , , , , , Sai Krishna Potthuri , Shubhrajyoti Datta , kernel test robot Subject: [PATCH v7 2/2] EDAC/zynqmp: Add EDAC support for Xilinx ZynqMP OCM Date: Wed, 4 Jan 2023 14:15:12 +0530 Message-ID: <20230104084512.1855243-3-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230104084512.1855243-1-sai.krishna.potthuri@amd.com> References: <20230104084512.1855243-1-sai.krishna.potthuri@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT035:EE_|PH7PR12MB8425:EE_ X-MS-Office365-Filtering-Correlation-Id: c870512d-f052-4658-a2a9-08daee302565 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: cR7z7CBXLsUOKbsV9DskgAKhyiRLGpBEfjf9N9DLc9ku3BP912Z2y7DyIqgVnuEgjqOih6DxuHOqY0SfQpt/ibBa5tbj0SRETBBCBQi/raq86b6Qh6KJEJRucLZwiKHjVFuAANhSgxgwuDRGnTZHUZXA10Ukfm7TeFDNoHw5Co71JFG/VDiYTPbwQ9WNL+qEbuYY73q61JWBIyssB4OGUo2mk8wxekyXU4Pm95RXSyjZG1hyPh/NKrrnR87px0qN0Qi59pT1W8hyT7CWnDHqTVtOLZJNornLjAbyStxbeSO7jb3DCjOeFjxnSVJt6wmR6S0hVixe8RqFsmCdrAh10TYG1dtCG01NuA5gUwFeKi9WCAJYkjOdxvQtIxPcepJjEjSxryj9mHwGoGwJYKdua09gUJuvo90VN+xQ40PCXI/Gl46CkPY7IYQo8SxIyMc419zfRqoxzkTr6ky+yoo57+fyvOn2JaDem0lzPd9riTGf/0CMGeU+edmBUAgLolh1AH+K6UEbQJ4ZRl4ILylOmTBUf4mKNnBfLFNuAPoH7xrUatIQy5yYudcvIKmLjROMjJuWp/4R6u56noJuT173EfPOH9rqFQjVlOrDo5zNzEHiQU7T5tAwYH48fvantP/FIhRvtBe0OCGdzkMDNIgsR9U/k0CHbAtY1ACMYhmBdtzfqcFy41YchLDwNiObWSY5vkwzrYbyd6XBPCHvV/HxGlIXCZG9j8tLM5u5+Eu/fkI= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(376002)(346002)(39860400002)(396003)(136003)(451199015)(46966006)(36840700001)(40470700004)(8676002)(4326008)(5660300002)(70206006)(6666004)(40460700003)(70586007)(316002)(8936002)(41300700001)(7416002)(54906003)(110136005)(2906002)(103116003)(478600001)(356005)(82740400003)(81166007)(186003)(26005)(2616005)(336012)(47076005)(1076003)(426003)(36860700001)(36756003)(86362001)(40480700001)(30864003)(82310400005)(83380400001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jan 2023 08:46:17.7886 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c870512d-f052-4658-a2a9-08daee302565 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT035.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8425 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230104_004625_004053_A18506C8 X-CRM114-Status: GOOD ( 28.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add EDAC support for Xilinx ZynqMP OCM Controller, so this driver reports CE and UE errors upon interrupt generation, and also creates UE/CE debugfs entries for error injection. On Xilinx ZynqMP platform, both OCM Controller driver(zynqmp_edac) and DDR Memory Controller driver(synopsys_edac) co-exist which means both can be loaded at a time. This scenario is tested on Xilinx ZynqMP platform. Fix following issue reported by the robot. "MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/edac/xlnx,zynqmp-ocmc.yaml" Co-developed-by: Shubhrajyoti Datta Signed-off-by: Shubhrajyoti Datta Signed-off-by: Sai Krishna Potthuri Reported-by: kernel test robot --- MAINTAINERS | 7 + drivers/edac/Kconfig | 9 + drivers/edac/Makefile | 1 + drivers/edac/zynqmp_edac.c | 465 +++++++++++++++++++++++++++++++++++++ 4 files changed, 482 insertions(+) create mode 100644 drivers/edac/zynqmp_edac.c diff --git a/MAINTAINERS b/MAINTAINERS index edc96cdb85e8..2b6e74025549 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21692,6 +21692,13 @@ F: Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml F: drivers/dma/xilinx/xilinx_dpdma.c F: include/dt-bindings/dma/xlnx-zynqmp-dpdma.h +XILINX ZYNQMP OCM EDAC DRIVER +M: Shubhrajyoti Datta +M: Sai Krishna Potthuri +S: Maintained +F: Documentation/devicetree/bindings/memory-controllers/xlnx,zynqmp-ocmc-1.0.yaml +F: drivers/edac/zynqmp_edac.c + XILINX ZYNQMP PSGTR PHY DRIVER M: Anurag Kumar Vulisha M: Laurent Pinchart diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index 58ab63642e72..7944e40c67da 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -539,4 +539,13 @@ config EDAC_DMC520 Support for error detection and correction on the SoCs with ARM DMC-520 DRAM controller. +config EDAC_ZYNQMP_OCM + tristate "Xilinx ZynqMP OCM Controller" + depends on ARCH_ZYNQMP || COMPILE_TEST + help + This driver supports error detection and correction for the + Xilinx ZynqMP OCM (On Chip Memory) controller. + This driver can also be built as a module. If so, the module + will be called zynqmp_ocm_edac. + endif # EDAC diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index 2d1641a27a28..47cbda06d7b0 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -84,3 +84,4 @@ obj-$(CONFIG_EDAC_QCOM) += qcom_edac.o obj-$(CONFIG_EDAC_ASPEED) += aspeed_edac.o obj-$(CONFIG_EDAC_BLUEFIELD) += bluefield_edac.o obj-$(CONFIG_EDAC_DMC520) += dmc520_edac.o +obj-$(CONFIG_EDAC_ZYNQMP_OCM) += zynqmp_edac.o diff --git a/drivers/edac/zynqmp_edac.c b/drivers/edac/zynqmp_edac.c new file mode 100644 index 000000000000..69069028457b --- /dev/null +++ b/drivers/edac/zynqmp_edac.c @@ -0,0 +1,465 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Xilinx ZynqMP OCM ECC Driver + * + * Copyright (C) 2022 Advanced Micro Devices, Inc. + */ + +#include +#include +#include +#include +#include +#include + +#include "edac_module.h" + +#define ZYNQMP_OCM_EDAC_MSG_SIZE 256 + +#define ZYNQMP_OCM_EDAC_STRING "zynqmp_ocm" + +/* Error/Interrupt registers */ +#define ERR_CTRL_OFST 0x0 +#define OCM_ISR_OFST 0x04 +#define OCM_IMR_OFST 0x08 +#define OCM_IEN_OFST 0x0C +#define OCM_IDS_OFST 0x10 + +/* ECC control register */ +#define ECC_CTRL_OFST 0x14 + +/* Correctable error info registers */ +#define CE_FFA_OFST 0x1C +#define CE_FFD0_OFST 0x20 +#define CE_FFD1_OFST 0x24 +#define CE_FFD2_OFST 0x28 +#define CE_FFD3_OFST 0x2C +#define CE_FFE_OFST 0x30 + +/* Uncorrectable error info registers */ +#define UE_FFA_OFST 0x34 +#define UE_FFD0_OFST 0x38 +#define UE_FFD1_OFST 0x3C +#define UE_FFD2_OFST 0x40 +#define UE_FFD3_OFST 0x44 +#define UE_FFE_OFST 0x48 + +/* ECC control register bit field definitions */ +#define ECC_CTRL_CLR_CE_ERR 0x40 +#define ECC_CTRL_CLR_UE_ERR 0x80 + +/* Fault injection data and count registers */ +#define OCM_FID0_OFST 0x4C +#define OCM_FID1_OFST 0x50 +#define OCM_FID2_OFST 0x54 +#define OCM_FID3_OFST 0x58 +#define OCM_FIC_OFST 0x74 + +#define UE_MAX_BITPOS_LOWER 31 +#define UE_MIN_BITPOS_UPPER 32 +#define UE_MAX_BITPOS_UPPER 63 + +/* Interrupt masks */ +#define OCM_CEINTR_MASK BIT(6) +#define OCM_UEINTR_MASK BIT(7) +#define OCM_ECC_ENABLE_MASK BIT(0) + +#define OCM_FICOUNT_MASK GENMASK(23, 0) +#define OCM_NUM_UE_BITPOS 2 +#define OCM_BASEVAL 0xFFFC0000 +#define EDAC_DEVICE "ZynqMP-OCM" + +/** + * struct ecc_error_info - ECC error log information + * @addr: Fault generated at this address + * @fault_lo: Generated fault data (lower 32-bit) + * @fault_hi: Generated fault data (upper 32-bit) + */ +struct ecc_error_info { + u32 addr; + u32 fault_lo; + u32 fault_hi; +}; + +/** + * struct ecc_status - ECC status information to report + * @ce_cnt: Correctable error count + * @ue_cnt: Uncorrectable error count + * @ceinfo: Correctable error log information + * @ueinfo: Uncorrectable error log information + */ +struct ecc_status { + u32 ce_cnt; + u32 ue_cnt; + struct ecc_error_info ceinfo; + struct ecc_error_info ueinfo; +}; + +/** + * struct edac_priv - OCM private instance data + * @baseaddr: Base address of the OCM + * @message: Buffer for framing the event specific info + * @stat: ECC status information + * @ce_cnt: Correctable Error count + * @ue_cnt: Uncorrectable Error count + * @debugfs_dir: Directory entry for debugfs + * @ce_bitpos: Bit position for Correctable Error + * @ue_bitpos: Array to store UnCorrectable Error bit positions + * @fault_injection_cnt: Fault Injection Counter value + */ +struct edac_priv { + void __iomem *baseaddr; + char message[ZYNQMP_OCM_EDAC_MSG_SIZE]; + struct ecc_status stat; + u32 ce_cnt; + u32 ue_cnt; +#ifdef CONFIG_EDAC_DEBUG + struct dentry *debugfs_dir; + u8 ce_bitpos; + u8 ue_bitpos[OCM_NUM_UE_BITPOS]; + u32 fault_injection_cnt; +#endif +}; + +/** + * get_error_info - Get the current ECC error info + * @base: Pointer to the base address of the OCM + * @p: Pointer to the OCM ECC status structure + * @mask: Status register mask value + * + * Determines there is any ECC error or not + * + */ +static void get_error_info(void __iomem *base, struct ecc_status *p, int mask) +{ + if (mask & OCM_CEINTR_MASK) { + p->ce_cnt++; + p->ceinfo.fault_lo = readl(base + CE_FFD0_OFST); + p->ceinfo.fault_hi = readl(base + CE_FFD1_OFST); + p->ceinfo.addr = (OCM_BASEVAL | readl(base + CE_FFA_OFST)); + writel(ECC_CTRL_CLR_CE_ERR, base + OCM_ISR_OFST); + } else { + p->ue_cnt++; + p->ueinfo.fault_lo = readl(base + UE_FFD0_OFST); + p->ueinfo.fault_hi = readl(base + UE_FFD1_OFST); + p->ueinfo.addr = (OCM_BASEVAL | readl(base + UE_FFA_OFST)); + writel(ECC_CTRL_CLR_UE_ERR, base + OCM_ISR_OFST); + } +} + +/** + * handle_error - Handle error types CE and UE + * @dci: Pointer to the EDAC device instance + * @p: Pointer to the OCM ECC status structure + * + * Handles the ECC correctable and uncorrectable error. + */ +static void handle_error(struct edac_device_ctl_info *dci, struct ecc_status *p) +{ + struct edac_priv *priv = dci->pvt_info; + struct ecc_error_info *pinf; + + if (p->ce_cnt) { + pinf = &p->ceinfo; + snprintf(priv->message, ZYNQMP_OCM_EDAC_MSG_SIZE, + "\nOCM ECC error type :%s\nAddr: [0x%x]\nFault Data[0x%08x%08x]", + "CE", pinf->addr, pinf->fault_hi, pinf->fault_lo); + edac_device_handle_ce(dci, 0, 0, priv->message); + } + + if (p->ue_cnt) { + pinf = &p->ueinfo; + snprintf(priv->message, ZYNQMP_OCM_EDAC_MSG_SIZE, + "\nOCM ECC error type :%s\nAddr: [0x%x]\nFault Data[0x%08x%08x]", + "UE", pinf->addr, pinf->fault_hi, pinf->fault_lo); + edac_device_handle_ue(dci, 0, 0, priv->message); + } + + memset(p, 0, sizeof(*p)); +} + +/** + * intr_handler - ISR routine + * @irq: irq number + * @dev_id: device id pointer + * + * Return: IRQ_NONE, if CE/UE interrupt not set or IRQ_HANDLED otherwise + */ +static irqreturn_t intr_handler(int irq, void *dev_id) +{ + struct edac_device_ctl_info *dci = dev_id; + struct edac_priv *priv = dci->pvt_info; + int regval; + + regval = readl(priv->baseaddr + OCM_ISR_OFST); + if (!(regval & (OCM_CEINTR_MASK | OCM_UEINTR_MASK))) { + WARN_ONCE(1, "Unhandled IRQ%d.", irq); + return IRQ_NONE; + } + + get_error_info(priv->baseaddr, &priv->stat, regval); + + priv->ce_cnt += priv->stat.ce_cnt; + priv->ue_cnt += priv->stat.ue_cnt; + handle_error(dci, &priv->stat); + + return IRQ_HANDLED; +} + +/** + * get_eccstate - Return the ECC status + * @base: Pointer to the OCM base address + * + * Get the ECC enable/disable status + * + * Return: ECC status 0/1. + */ +static bool get_eccstate(void __iomem *base) +{ + return readl(base + ECC_CTRL_OFST) & OCM_ECC_ENABLE_MASK; +} + +#ifdef CONFIG_EDAC_DEBUG +/** + * write_fault_count - write fault injection count + * @priv: Pointer to the EDAC private struct + * + * Update the fault injection count register, once the counter reaches + * zero, it injects errors + */ +static void write_fault_count(struct edac_priv *priv) +{ + u32 ficount = priv->fault_injection_cnt; + + if (ficount & ~OCM_FICOUNT_MASK) { + ficount &= OCM_FICOUNT_MASK; + edac_printk(KERN_INFO, EDAC_DEVICE, + "Fault injection count value truncated to %d\n", ficount); + } + + writel(ficount, priv->baseaddr + OCM_FIC_OFST); +} + +/* + * To get the Correctable Error injected, the following steps are needed: + * - Setup the optional Fault Injection Count: + * echo > /sys/kernel/debug/edac/ocm/inject_fault_count + * - Write the Correctable Error bit position value: + * echo > /sys/kernel/debug/edac/ocm/inject_ce_bitpos + */ +static ssize_t inject_ce_write(struct file *file, const char __user *data, + size_t count, loff_t *ppos) +{ + struct edac_device_ctl_info *edac_dev = file->private_data; + struct edac_priv *priv = edac_dev->pvt_info; + int ret; + + if (!data) + return -EFAULT; + + ret = kstrtou8_from_user(data, count, 0, &priv->ce_bitpos); + if (ret) + return ret; + + if (priv->ce_bitpos > UE_MAX_BITPOS_UPPER) + return -EINVAL; + + if (priv->ce_bitpos <= UE_MAX_BITPOS_LOWER) { + writel(BIT(priv->ce_bitpos), priv->baseaddr + OCM_FID0_OFST); + writel(0, priv->baseaddr + OCM_FID1_OFST); + } else { + writel(BIT(priv->ce_bitpos - UE_MIN_BITPOS_UPPER), + priv->baseaddr + OCM_FID1_OFST); + writel(0, priv->baseaddr + OCM_FID0_OFST); + } + + write_fault_count(priv); + + return count; +} + +static const struct file_operations inject_ce_fops = { + .open = simple_open, + .write = inject_ce_write, + .llseek = generic_file_llseek, +}; + +/* + * To get the Uncorrectable Error injected, the following steps are needed: + * - Setup the optional Fault Injection Count: + * echo > /sys/kernel/debug/edac/ocm/inject_fault_count + * - Write the Uncorrectable Error bit position values: + * echo , > /sys/kernel/debug/edac/ocm/inject_ue_bitpos + */ +static ssize_t inject_ue_write(struct file *file, const char __user *data, + size_t count, loff_t *ppos) +{ + struct edac_device_ctl_info *edac_dev = file->private_data; + struct edac_priv *priv = edac_dev->pvt_info; + char buf[6], *pbuf, *token[2]; + u64 ue_bitpos; + int i, ret; + u8 len; + + if (!data) + return -EFAULT; + + len = min_t(size_t, count, sizeof(buf)); + if (copy_from_user(buf, data, len)) + return -EFAULT; + + buf[len] = '\0'; + pbuf = &buf[0]; + for (i = 0; i < OCM_NUM_UE_BITPOS; i++) + token[i] = strsep(&pbuf, ","); + + ret = kstrtou8(token[0], 0, &priv->ue_bitpos[0]); + if (ret) + return ret; + + ret = kstrtou8(token[1], 0, &priv->ue_bitpos[1]); + if (ret) + return ret; + + ue_bitpos = BIT(priv->ue_bitpos[0]) | BIT(priv->ue_bitpos[1]); + + if (priv->ue_bitpos[0] == priv->ue_bitpos[1]) { + edac_printk(KERN_ERR, EDAC_DEVICE, "Bit positions should not be equal\n"); + return -EINVAL; + } + + if (priv->ue_bitpos[0] > UE_MAX_BITPOS_UPPER || + priv->ue_bitpos[1] > UE_MAX_BITPOS_UPPER) + return -EINVAL; + + writel((u32)ue_bitpos, priv->baseaddr + OCM_FID0_OFST); + writel((u32)(ue_bitpos >> 32), priv->baseaddr + OCM_FID1_OFST); + + write_fault_count(priv); + + return count; +} + +static const struct file_operations inject_ue_fops = { + .open = simple_open, + .write = inject_ue_write, + .llseek = generic_file_llseek, +}; + +static void setup_debugfs(struct edac_device_ctl_info *edac_dev) +{ + struct edac_priv *priv = edac_dev->pvt_info; + + priv->debugfs_dir = edac_debugfs_create_dir("ocm"); + if (!priv->debugfs_dir) + return; + + edac_debugfs_create_x32("inject_fault_count", 0644, priv->debugfs_dir, + &priv->fault_injection_cnt); + edac_debugfs_create_file("inject_ue_bitpos", 0644, priv->debugfs_dir, + edac_dev, &inject_ue_fops); + edac_debugfs_create_file("inject_ce_bitpos", 0644, priv->debugfs_dir, + edac_dev, &inject_ce_fops); +} +#endif + +static int edac_probe(struct platform_device *pdev) +{ + struct edac_device_ctl_info *dci; + struct edac_priv *priv; + void __iomem *baseaddr; + struct resource *res; + int irq, ret; + + baseaddr = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(baseaddr)) + return PTR_ERR(baseaddr); + + if (!get_eccstate(baseaddr)) { + edac_printk(KERN_INFO, EDAC_DEVICE, "ECC not enabled\n"); + return -ENXIO; + } + + dci = edac_device_alloc_ctl_info(sizeof(*priv), ZYNQMP_OCM_EDAC_STRING, + 1, ZYNQMP_OCM_EDAC_STRING, 1, 0, NULL, 0, + edac_device_alloc_index()); + if (!dci) + return -ENOMEM; + + priv = dci->pvt_info; + platform_set_drvdata(pdev, dci); + dci->dev = &pdev->dev; + priv->baseaddr = baseaddr; + dci->mod_name = pdev->dev.driver->name; + dci->ctl_name = ZYNQMP_OCM_EDAC_STRING; + dci->dev_name = dev_name(&pdev->dev); + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + ret = irq; + goto free_dev_ctl; + } + + ret = devm_request_irq(&pdev->dev, irq, intr_handler, 0, + dev_name(&pdev->dev), dci); + if (ret) { + edac_printk(KERN_ERR, EDAC_DEVICE, "Failed to request Irq\n"); + goto free_dev_ctl; + } + + /* Enable UE, CE interrupts */ + writel((OCM_CEINTR_MASK | OCM_UEINTR_MASK), priv->baseaddr + OCM_IEN_OFST); + + if (IS_ENABLED(CONFIG_EDAC_DEBUG)) + setup_debugfs(dci); + + ret = edac_device_add_device(dci); + if (ret) + goto free_dev_ctl; + + return 0; + +free_dev_ctl: + edac_device_free_ctl_info(dci); + + return ret; +} + +static int edac_remove(struct platform_device *pdev) +{ + struct edac_device_ctl_info *dci = platform_get_drvdata(pdev); + struct edac_priv *priv = dci->pvt_info; + + /* Disable UE, CE interrupts */ + writel((OCM_CEINTR_MASK | OCM_UEINTR_MASK), priv->baseaddr + OCM_IDS_OFST); + + if (IS_ENABLED(CONFIG_EDAC_DEBUG)) + debugfs_remove_recursive(priv->debugfs_dir); + + edac_device_del_device(&pdev->dev); + edac_device_free_ctl_info(dci); + + return 0; +} + +static const struct of_device_id zynqmp_ocm_edac_match[] = { + { .compatible = "xlnx,zynqmp-ocmc-1.0"}, + { /* end of table */ } +}; + +MODULE_DEVICE_TABLE(of, zynqmp_ocm_edac_match); + +static struct platform_driver zynqmp_ocm_edac_driver = { + .driver = { + .name = "zynqmp-ocm-edac", + .of_match_table = zynqmp_ocm_edac_match, + }, + .probe = edac_probe, + .remove = edac_remove, +}; + +module_platform_driver(zynqmp_ocm_edac_driver); + +MODULE_AUTHOR("Advanced Micro Devices, Inc"); +MODULE_DESCRIPTION("Xilinx ZynqMP OCM ECC driver"); +MODULE_LICENSE("GPL");