[U-Boot] [PATCH v4 1/2] nand/denali: Adding Denali NAND driver support

Chin Liang See
2014-03-10T23:17:02Z

Hi Mashiro,

On Mon, 2014-03-10 at 11:42 +0900, Masahiro Yamada wrote:
> Hello Chin,
>
>
> > > I've posted my feedback.
> > > I hope it is helpful for you.
> > > http://patchwork.ozlabs.org/patch/327943/
> > >
> >
> > Great, I will patch them.
> > From the patch, I saw your DMA sequence code and the discrepancy.
> > For the data portion, I spotted you set the bit 31:16.
> > But inside my datasheet, its marked as reserved.
> >
> > Wonder the version of Denali controller I have is older?
> > Probably we can probe the Cadence then.
> > At same time, I will send out new patch to capture the fix before
> > forget.
>
> Yes, please.
>
> I am interested in this mystery.
> I really suspect there are some
> incompatible versions in Denali IP.
>
> I sent a question about this to Cadence.
> They did not admit it. (But I doubt it.)
>
>
> By the way, Panasonic have been using Denali
> NAND controller IP since 2010.
> I refer to "Denali NAND Flash Memory Controller User's Guide"
> issued on Nov. 30, 2010.
> Unfortunately, I can not share it because it is marked as
> "confidential".

Yup, me too. My one is having same title but dated Feb 28, 2011. I also
checked the latest Feb 14, 2013 and it matched with 2011. Seems they
changed in between 2010 and 2011. Wonder you have any newer version?

To work around this, I presume we might to have some #if #else to
separate the version differences.

Thanks
Chin Liang

>
> Best Regards
> Masahiro Yamada.
>