D-Cache flush?

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Ingenieurbüro-Filgis
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Tim Hardisty <t...@hardisty.co.uk> schrieb am Mi., 17. Mai 2023, 20:05:

> I am working on getting DMA working on the SPI peripheral of the SAMA5D2.
>
> DMA reads now work well, but the writes take absolutely forever…unless I
> have dma debug info enabled, when write transactions (to a GD25Q flash) do
> then work.
>
> I’m working through it, as it sounds like a race condition or other
> timing/sequence problem but if anyone by any chance has encountered
> anything similar, clues or suggestions would be most welcome!
>
> Thx,
>
> Tim
>

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