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client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by SJ1PEPF000023CB.mail.protection.outlook.com (10.167.244.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9678.18 via Frontend Transport; Fri, 6 Mar 2026 11:52:31 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Fri, 6 Mar 2026 05:52:31 -0600 Received: from xhddevverma40x.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; Fri, 6 Mar 2026 05:52:29 -0600 From: Devendra K Verma To: , , CC: , , , , Subject: [PATCH v11 0/2] Add AMD MDB Endpoint and non-LL mode Support Date: Fri, 6 Mar 2026 17:22:26 +0530 Message-ID: <20260306115228.3446528-1-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: SJ1PEPF000023CB:EE_|PH8PR12MB7136:EE_ X-MS-Office365-Filtering-Correlation-Id: 081ab6c7-a03e-4ff8-f427-08de7b76d99b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|376014|82310400026; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 6wYlS+h6BvrjYz5diGKnFGzEoSo+ySY/Jubf97jbM5Hcjqd3yzdovAy74iPbqmKhGQqYhS0WxI9HdiA3j6pfQM3mJ/P3xfd3kJ2CgbajEnYVGsXiV7ske5gVvjFhHlyGP+TVMC06CYGc0gpJumzdCFSmx6HQ4Pw6GIpquMtD3nnh8COv1X0ER1w1jNqq6bz3Gy0uhlG3PUlEyeU7gwa32bALPoq2Um1QuSDwHUlM12x1frd1GBZ+cXJulTdE9ZA/QDFACeqlk8nSLbk3K8ksn64xJdEKTNfgjPDC3bEZUds6zGwUo2gbh37zJdDa0vr0pNwkO3rBpEDkxxI9tTofPkiDA/zeh2FWEfs9iav252jik3Z7c3XJIi0XXyDP7/CX6UID1aNoWNwLIOUuAenVk3heuFKpeubx6FyljlxqUiP/m+BeIdWQHXTTYDO2Ngem X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2026 11:52:31.9085 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 081ab6c7-a03e-4ff8-f427-08de7b76d99b 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023CB.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7136 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 | 65 +++++++- drivers/dma/dw-edma/dw-hdma-v0-regs.h | 1 + include/linux/dma/edma.h | 1 + 6 files changed, 313 insertions(+), 22 deletions(-) -- 2.43.0