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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 CO1PEPF000044F9.mail.protection.outlook.com (10.167.241.199) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9654.0 via Frontend Transport; Mon, 16 Feb 2026 10:55:50 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.17; Mon, 16 Feb 2026 04:55:50 -0600 Received: from satlexmb08.amd.com (10.181.42.217) 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 15.1.2507.39; Mon, 16 Feb 2026 04:55:49 -0600 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; Mon, 16 Feb 2026 04:55:47 -0600 From: Devendra K Verma To: , , CC: , , , , Subject: [PATCH RESEND v10 0/2] Add AMD MDB Endpoint and non-LL mode Support Date: Mon, 16 Feb 2026 16:25:44 +0530 Message-ID: <20260216105547.13457-1-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 Received-SPF: None (SATLEXMB04.amd.com: devendra.verma@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F9:EE_|SA1PR12MB8699:EE_ X-MS-Office365-Filtering-Correlation-Id: 65375e49-28e2-48e8-00a7-08de6d49f303 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|36860700013; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 0uF9ZIdFaO8NPCaIsK8oTO3tVYjSy5Qy/vCIbJRaLll3nfU99A3NXsDkX5966YntyTsDI3QP4pomSi/bkVHlJS4wradBYwpsm/+rj7vCUyxVafLX1uTH/WNVrHWoqwej/wTQYlMKX/og5OjJ0YRNoUpICZoCPs0h00w/TyzjV++tQCxdYWxf9OFfWMh+HTl19dEEAhKuaBInUTuM3puOakZFzOGlEiH4JiZ77jrwMjpL1ng+pQu7J/lder6I2ezO4wjaDioKtjPaIC8X6627rW0O2D7h6ZRmKqxOgNE0DuLhDy7WIjQCOPCmwMXGbts83OrvqZTJSrjiA0I/no7UhVhhKDKZKbJ9iQJXw2EFETIqQQaX5lHq12PZx764zgh31dMXe/dYBzubt6LDsh8Gw6Tfgk7NXF/00C4LAZE/lSkF/AmCgYRz3iKbzIVrIdpv X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Feb 2026 10:55:50.8957 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 65375e49-28e2-48e8-00a7-08de6d49f303 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: CO1PEPF000044F9.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB8699 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 | 35 +++- 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, 301 insertions(+), 22 deletions(-) -- 2.43.0