Messages in this thread | | | Date | Wed, 12 Apr 2023 22:29:52 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH v9 0/4] dmaengine: dw-edma: Add support for native HDMA |
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On 24-03-23, 10:14, Cai Huoqing wrote: > Add support for HDMA NATIVE, as long the IP design has set > the compatible register map parameter-HDMA_NATIVE, > which allows compatibility for native HDMA register configuration. > > The HDMA Hyper-DMA IP is an enhancement of the eDMA embedded-DMA IP. > And the native HDMA registers are different from eDMA, > so this patch add support for HDMA NATIVE mode. > > HDMA write and read channels operate independently to maximize > the performance of the HDMA read and write data transfer over > the link When you configure the HDMA with multiple read channels, > then it uses a round robin (RR) arbitration scheme to select > the next read channel to be serviced.The same applies when > youhave multiple write channels. > > The native HDMA driver also supports a maximum of 16 independent > channels (8 write + 8 read), which can run simultaneously. > Both SAR (Source Address Register) and DAR (Destination Address Register) > are aligned to byte.
It fails to apply, pls rebase and resend
-- ~Vinod
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