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Tue, 10 Mar 2026 07:30:56 -0500 From: Devendra K Verma To: , , CC: , , , , Subject: [PATCH v12 0/2] Add AMD MDB Endpoint and non-LL mode Support Date: Tue, 10 Mar 2026 18:00:53 +0530 Message-ID: <20260310123055.2863727-1-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: BL02EPF00029929:EE_|LV8PR12MB9263:EE_ X-MS-Office365-Filtering-Correlation-Id: 00ddb100-ddfd-4060-7113-08de7ea0e265 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|36860700016; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb08.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(36860700016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: V/dR+i1T/PZGvhrLqbuLybSdzq/8CRqa42ISnlkXU4mX3erC9vCPtr+Ol8A6n3bxp9l/bkxyqJOj9fLtcQYTUNtBfTwIj+XJDgokck+r1AafNYYLn/53H5ir4g3Kg/tTTGzNfTJDNFyjbQY3DgNEw7RdpVAeLTC48JmcNVzvogqP4kc1Su7ne1dwZvxPPzGqntYYbMVRsSdoKqVSQyiaWWE47bpvrjGUlc1qvmQI+Op6GG1dmICrwKbZ+Gof/lBgCoSz92gN6mjNZem4HDMyzcKur9aqT04s5WX2Me/N+aBcckRSXeGafzgjjR0oGR6fkHlIBZFXGn2y6dDuy/kqA2NfG6YYrUI8xOSdAh7MWFjvy8rGVWylZNG71ajmOg85sfZSnIOKpVF9W73a3EJpSaL7YkDMAZX6sUQNOI86NE85hjPMZ6ybcyHNazQUJhZL X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2026 12:30:59.1000 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 00ddb100-ddfd-4060-7113-08de7ea0e265 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: BL02EPF00029929.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9263 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