Re: [PATCH v2 7/7] memory: renesas-rpc-if: Add support for RZ/G2L

[Lad, Prabhakar]

Hi Wolfram,

On Wed, Nov 3, 2021 at 8:41 AM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> > Oops I missed that, does the below look good?
>
> Yes, only a minor nit.
>
> >
> > #define RPCIF_PHYADD_ADD_MD 0x00
> > #define RPCIF_PHYADD_ADD_RDLSEL 0x22
> > #define RPCIF_PHYADD_ADD_FDLSEL 0x24
> > #define RPCIF_PHYADD_ADD_RDLMON 0x26
> > #define RPCIF_PHYADD_ADD_FDLMON 0x28
> >
> > #define RPCIF_PHYADD_ACCEN BIT(31)
> > #define RPCIF_PHYADD_RW BIT(30)
>
> Maybe we could leave this because we don't use it? You decide.
>
Agreed will drop RPCIF_PHYADD_RW macro.

> > > +     regmap_write(rpc->regmap, RPCIF_PHYWR, 0x00000030);
> > > +     regmap_write(rpc->regmap, RPCIF_PHYADD, 0x80000032);
> > >
> > For the above do you have any suggestions? As I couldn't find any
> > details about it or shall I just go with magic numbers for now?
>
> Ack. I couldn't find docs about these as well. I suggest to add a
> comment where this value came from. We can ask the BSP and/or HW team
> for details and update this pair incrementally.
>
Thanks, I'll add a comment stating the values have come from the
RZ/G2L HW manual.

Cheers,
Prabhakar

> > thanks, once we agree upon above I shall re-spin v3.
>
> Cool, looking forward to it!
>
> Happy hacking,
>
>    Wolfram
>