[PATCH 08/20] sunxi: introduce NCAT2 generation model

Sam Edwards cfsworks at gmail.com
Thu Aug 10 00:08:16 CEST 2023

On 7/21/23 07:45, Andre Przywara wrote:
> Allwinner seems to typically stick to a common MMIO memory map for
> several SoCs, but from time to time does some breaking changes, which
> also introduce new generations of some peripherals. The last time this
> happened with the H6, which apart from re-organising the base addresses
> also changed the clock controller significantly. We added a
> CONFIG_SUN50I_GEN_H6 symbol back then to mark SoCs sharing those traits.
> Now the Allwinner D1 changes the memory map again, and also extends the
> pincontroller, among other peripherals.
> To mark this generation of SoCs, add a CONFIG_SUNXI_GEN_NCAT2 symbol,
> this name is reportedly used in the Allwinner BSP code, and prevents us
> from inventing our own name.
> Add this new symbol to some guards that were already checking for the H6
> generation, since many features are shared between the two (like the
> renovated clock controller).
> This paves the way to introduce a first user of this generation.
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
Reviewed-by: Sam Edwards <CFSworks at gmail.com>
Tested-by: Sam Edwards <CFSworks at gmail.com>


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