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Tue, 25 Feb 2020 10:39:01 +0100 Received: from vleu-orange.cadence.com (10.160.88.83) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1367.3 via Frontend Transport; Tue, 25 Feb 2020 10:39:01 +0100 Received: from vleu-orange.cadence.com (localhost.localdomain [127.0.0.1]) by vleu-orange.cadence.com (8.14.4/8.14.4) with ESMTP id 01P9d1VM007379; Tue, 25 Feb 2020 10:39:01 +0100 Received: (from dkangude@localhost) by vleu-orange.cadence.com (8.14.4/8.14.4/Submit) id 01P9d1Hp007377; Tue, 25 Feb 2020 10:39:01 +0100 From: Dhananjay Kangude To: CC: , , , , , , , , Dhananjay Kangude Subject: [PATCH 0/2] Add EDAC support for Cadence ddr controller Date: Tue, 25 Feb 2020 10:38:54 +0100 Message-ID: <20200225093856.7328-1-dkangude@cadence.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:64.207.220.243;IPV:;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(396003)(376002)(136003)(346002)(39860400002)(189003)(199004)(36092001)(70206006)(4744005)(356004)(70586007)(426003)(4326008)(336012)(186003)(36906005)(2616005)(316002)(1076003)(478600001)(6916009)(54906003)(5660300002)(2906002)(6666004)(86362001)(8936002)(81156014)(81166006)(36756003)(26005)(42186006)(107886003)(8676002);DIR:OUT;SFP:1101;SCL:1;SRVR:MWHPR0701MB3674;H:wcmailrelayl01.cadence.com;FPR:;SPF:Pass;LANG:en;PTR:unused.mynethost.com;MX:1;A:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c8165b9c-ef8f-4acb-3a16-08d7b9d68e93 X-MS-TrafficTypeDiagnostic: MWHPR0701MB3674: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-Forefront-PRVS: 0324C2C0E2 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: DQm9GJlTeng/6SdO7MPufD6i2EGx22w1bHVtHrpUSnmAkHgrjjY3iVdr0RpQH55h9wXDr3Mzxr/tPYBVnVfhOwG7HLtPfLYcZ78t2edQjXpqV7cGcDOTKzcm6GLpEkXItdQ1pLei2MPFVB6cYy8bK6kc2ZPiSSXjttszjDZ7o3pu42sbuUnyWBa135kVYOZ5M4jeqCXw2WN4dM3iwvpwCXWWB0/COJsjlIXokbo3KOHSouKXKXAfv88e+XZCn7lN/nFvyG/UToSTnEXwgXOmx1qERtOEvuriAhXeX9EA07PmFP0mIc7pA8mZNess3WoRZTast/EFYnnRj/EOHFv2Y+XPPC1xfintWMTpPwevLK5tlxRGZC+WeZyT59wDe8GyIOaD/TuS8vMKbgvpnFWrH5QtH5Ap+4OG5GEUPcgq2i4bH1Phs9H/Mod+nBZicUzyQ6T1d8bKsdvnRvC4/lsBf0z+imlwUXBvxFxPTEAo2ZmYevWV8Nrq+TVuOHd86Rya X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Feb 2020 09:39:06.1198 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c8165b9c-ef8f-4acb-3a16-08d7b9d68e93 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9;Ip=[64.207.220.243];Helo=[wcmailrelayl01.cadence.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR0701MB3674 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-25_02:2020-02-21,2020-02-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 spamscore=0 suspectscore=1 clxscore=1015 lowpriorityscore=0 mlxlogscore=539 adultscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 phishscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002250078 Sender: linux-edac-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org These patches add new edac driver for Cadence ddr memory controller. Cadence controller detects single(CE) and double(UE) bit errors during memory operations(RMW). DDR controller raised the interrupt on detection of the ecc error event and fill the data into registers. Driver handle the interrupt event and notify edac subsystem about ecc errors. The patch series has two patches: 1. Add driver support into edac subsystem 2. Add devicetree binding in yaml format Dhananjay Kangude (2): EDAC/Cadence:Add EDAC driver for cadence memory controller dt-bindings: edac: Add cadence ddr mc support .../devicetree/bindings/edac/cdns,ddr-edac.yaml | 56 ++ drivers/edac/Kconfig | 7 + drivers/edac/Makefile | 1 + drivers/edac/cadence_edac.c | 615 ++++++++++++++++++++ 4 files changed, 679 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/edac/cdns,ddr-edac.yaml create mode 100644 drivers/edac/cadence_edac.c