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(-) >