Re: [PATCH v4 2/2] mtd: rawnand: Add NAND controller support on Intel LGM SoC

From: Boris Brezillon
Date: Thu Apr 30 2020 - 04:37:05 EST


On Thu, 30 Apr 2020 16:30:15 +0800
"Ramuthevar, Vadivel MuruganX"
<vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx> wrote:

> >>>
> >>> And now I'd like you to explain why 5 is the right value for that field
> >>> (I guess that has to do with the position of the CS/ALE/CLE pins).
> >>
> >> 5 : bit 26, 25, 24, 23, 22 to be included for comparison in the
> >
> > That's 6 bits to me, not 5.
>
> No , 5 bits only the above case.

Oops, right, sorry for the brain fart.

> >
> > The question is, is it the same value we have in nand_pa or it is
> > different?
> >
> Different address which is 0xE1400000 NAND_BASE_PHY address.

Then why didn't you tell me they didn't match when I suggested to pass
nand_pa? So now the question is, what does this address represent? Do
you have a reference manual I can look at to understand what this is?