[PATCH v4 00/10] dma: ti: k3-udma: Add support for J721e

[Lokesh Vutla]

On 09/12/19 10:25 AM, Vignesh Raghavendra wrote:
> This series adds DMA support for J721e using exist K3 UDMA driver.
> 
> One main change is thati, on J721e, DMA resources such as DMA channels are
> shared between different entities running on different cores of the SoC.
> Therefore, U-Boot running on A72 core should request range of resources
> allocated to it from centralized resource management core (DMSC) and use
> only the allocated resource.
> 
> First two patches adds support for dynamically querying and using
> allocated resources. Remaining patches fix issues when using UDMA driver
> on a 32 bit core like R5. Last patch adds a new compatible for J721e

Merged into u-boot-ti.

Thanks and regards,
Lokesh

> 
> v4:
> Rebase onto latest master and fix a compliation error due to recent
> changes in master.
> 
> v3:
> Address comments by Grygorii and add R-by
> 
> Vignesh Raghavendra (10):
>   lib: Import few bitmap functions from Linux
>   dma: ti: k3-udma: Query DMA channels allocated from Resource Manager
>   soc: ti: k3-navss-ringacc: Flush/invalidate caches on ring push/pop
>   soc: ti: k3-navss-ringacc: Get SYSFW reference from DT phandle
>   dma: ti: k3-udma: Remove coherency check for cache ops
>   dma: ti: k3-udma: Fix debug prints during enabling MEM_TO_DEV
>     transfers
>   dma: ti: k3-udma: Switch to exposed ring mode
>   dma: ti: k3-udma: Fix ring push operation for 32 bit cores
>   dma: ti: k3-udma: Fix build warnings when building for 32 bit
>     platforms
>   dma: ti: k3-udma: Add new compatible to J721e
> 
>  drivers/dma/ti/k3-udma.c          | 365 ++++++++++++++++++++----------
>  drivers/soc/ti/k3-navss-ringacc.c |  14 +-
>  include/linux/bitmap.h            | 133 +++++++++++
>  include/linux/bitops.h            |  12 +
>  4 files changed, 404 insertions(+), 120 deletions(-)
>