[PATCH v2 2/3] soc: sifive: Add SiFive specific Cadence DDR controller driver

Christoph Hellwig hch at infradead.org
Wed Sep 9 02:00:45 EDT 2020


On Tue, Sep 08, 2020 at 08:12:16PM -0700, Palmer Dabbelt wrote:
> I don't know enough about the block to know if the subtle difference in
> register names/offsets means.  They look properly jumbled up (ie, not just an
> offset), so maybe there's just different versions or that's the SiFive-specific
> part I had bouncing around my head?  Either way, it seems like one driver with
> some simple configuration could handle both of these -- either sticking the
> offsets in the DT (if they're going to be different everywhere) or by coming up
> with some version sort of thing (if there's a handful of these).

regmap can be used to handle non-uniform register layouts for the same
functionality.



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