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

From: Wolfram Sang
Date: Wed Nov 03 2021 - 04:41:53 EST


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.

> > + 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, once we agree upon above I shall re-spin v3.

Cool, looking forward to it!

Happy hacking,

Wolfram

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