[PATCH v14 0/2] Add AMD MDB Endpoint and non-LL mode Support

Devendra K Verma
2026-03-17T12:21:42Z

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(-)

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2.43.0