[RFC PATCH v3 5/9] ram: cadence: add driver for Cadence EDAC

[Bryan Brattlof]

Hi Ralph!

On February 22, 2023 thus sayeth Ralph Siemsen:
> Driver for Cadence EDAC DDR controller, as found in the Renesas RZ/N1.
> 
> Signed-off-by: Ralph Siemsen <ralph.siemsen at linaro.org>
> ---
> 
> Changes in v3:
> - assorted small cleanups
> - support version 1.0 silicon (previously #if 0...)
> 
>  drivers/ram/Kconfig             |   1 +
>  drivers/ram/Makefile            |   2 +
>  drivers/ram/cadence/Kconfig     |  12 +
>  drivers/ram/cadence/Makefile    |   1 +
>  drivers/ram/cadence/ddr_async.c | 311 ++++++++++++++++++++++++
>  drivers/ram/cadence/ddr_ctrl.c  | 414 ++++++++++++++++++++++++++++++++
>  drivers/ram/cadence/ddr_ctrl.h  | 175 ++++++++++++++
>  7 files changed, 916 insertions(+)
>  create mode 100644 drivers/ram/cadence/Kconfig
>  create mode 100644 drivers/ram/cadence/Makefile
>  create mode 100644 drivers/ram/cadence/ddr_async.c
>  create mode 100644 drivers/ram/cadence/ddr_ctrl.c
>  create mode 100644 drivers/ram/cadence/ddr_ctrl.h
> 

Love seeing more boards here, though I know of a few chips that use some 
type of cadence controller. I'm just curious if it would it make sense 
to name this with some type of Renesas specific branding? 

~Bryan