| From: |
| Devendra K Verma <devendra.verma-AT-amd.com> |
| To: |
| <bhelgaas-AT-google.com>, <mani-AT-kernel.org>, <vkoul-AT-kernel.org> |
| Subject: |
| [PATCH v5 0/2] Add AMD MDB Endpoint and non-LL mode Support |
| Date: |
| Tue, 28 Oct 2025 16:58:56 +0530 |
| Message-ID: |
| <20251028112858.9930-1-devendra.verma@amd.com> |
| Cc: |
| <dmaengine-AT-vger.kernel.org>, <linux-pci-AT-vger.kernel.org>, <linux-kernel-AT-vger.kernel.org>, <michal.simek-AT-amd.com>, <Devendra.Verma-AT-amd.com> |
| Archive-link: |
| Article |
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 | 41 ++++++++-
drivers/dma/dw-edma/dw-edma-core.h | 1 +
drivers/dma/dw-edma/dw-edma-pcie.c | 168 ++++++++++++++++++++++++++++++++--
drivers/dma/dw-edma/dw-hdma-v0-core.c | 62 ++++++++++++-
include/linux/dma/edma.h | 1 +
5 files changed, 259 insertions(+), 14 deletions(-)
--
1.8.3.1
