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client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by MN1PEPF0000F0E0.mail.protection.outlook.com (10.167.242.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.17 via Frontend Transport; Tue, 17 Mar 2026 12:21:39 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Tue, 17 Mar 2026 07:21:38 -0500 Received: from xhdapps-pcie2.xilinx.com (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Tue, 17 Mar 2026 07:21:36 -0500 From: Devendra K Verma To: , , CC: , , , , Subject: [PATCH v14 0/2] Add AMD MDB Endpoint and non-LL mode Support Date: Tue, 17 Mar 2026 17:51:33 +0530 Message-ID: <20260317122135.130474-1-devendra.verma@amd.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0E0:EE_|SA0PR12MB4416:EE_ X-MS-Office365-Filtering-Correlation-Id: 46eb66aa-86a5-412a-a962-08de841fbd9b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|1800799024|36860700016|18002099003|56012099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: /8TynYKyG09uUcD6WgynYH4FNkGWG4QNzsmFsaq63FYA6lz+okvxa7rWUc97jZg7pkp3fCXseXwncIfXC9rkzuibRjqpuQcQiw1azdCl5ZZwa2YgiapWxlMJbazAzSM/sKSG9eX+PQTEC0z+j1+weYTIKso6TKeV8sWPBJ19MRjtBPFXkS5w0gTnxZY88rxNUEVozvQbBz9OSnnnNvY2RJXZZJGoe+kgcvtiAfrm9rHNF2BGnWGCdyCopFwqN41rJ7GP+YJFrZmldwWTIy61FExBFmipp5C/UVBIZQ51LBdimoXygR3SDhP3Vay3BmYmoW6B94y7rZOvH0SxPaLWfd3WUIovcUwVdLMs8R5Rm8+m+tFxVn/y8Jzv+qRKYgdYIg36hKH0TKc6wzkmjLgjObsRn8YBra5/ISwRiQCMQBLmIEKFY/dincq/DYYwTkAO X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Mar 2026 12:21:39.2707 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 46eb66aa-86a5-412a-a962-08de841fbd9b 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0E0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4416 This series of patch support the following: - AMD MDB Endpoint Support, as part of this patch following are added: o AMD supported device ID and vendor ID (Xilinx) o AMD MDB specific driver data o AMD specific VSEC capabilities to retrieve the base of phys address of MDB side DDR o Logic to assign the offsets to LL and data blocks if more number of channels are enabled than configured in the given pci_data struct. - Addition of non-LL mode o The IP supported non-LL mode functions o Flexibility to choose non-LL mode via dma_slave_config param peripheral_config, by the client for all the vendors using HDMA IP. o Allow IP utilization if LL mode is not available Devendra K Verma (2): dmaengine: dw-edma: Add AMD MDB Endpoint Support dmaengine: dw-edma: Add non-LL mode drivers/dma/dw-edma/dw-edma-core.c | 47 +++++- drivers/dma/dw-edma/dw-edma-core.h | 1 + drivers/dma/dw-edma/dw-edma-pcie.c | 220 +++++++++++++++++++++++--- drivers/dma/dw-edma/dw-hdma-v0-core.c | 64 +++++++- drivers/dma/dw-edma/dw-hdma-v0-regs.h | 1 + include/linux/dma/edma.h | 1 + 6 files changed, 312 insertions(+), 22 deletions(-) -- 2.43.0