imx6ull: NAND boot fails when block 0x00000000 is bad

[Michael Nazzareno Trimarchi]

Hi

On Mon, May 16, 2022 at 9:10 AM Marcel Ziswiler
<marcel.ziswiler at toradex.com> wrote:
>
> On Mon, 2022-05-16 at 08:58 +0200, Michael Nazzareno Trimarchi wrote:
> > Hi
> >
> > On Mon, May 16, 2022 at 8:51 AM Francesco Dolcini
> > <francesco.dolcini at toradex.com> wrote:
> > >
> > > Hello,
> > >
> > > On Fri, May 13, 2022 at 08:00:31PM +0200, Michael Nazzareno Trimarchi wrote:
> > > > Il ven 13 mag 2022, 19:56 Fabio Estevam <festevam at gmail.com> ha scritto:
> > > > > On Fri, May 13, 2022 at 2:41 PM Thierry Bultel
> > > > > <thierry.bultel at linatsea.fr> wrote:
> > > > > > There are error messages complaining about some bad blocks, including
> > > > > > block 0x00000000.
> > > >
> > > > Anyway block 0 is always guarantee by nand manufacturer, so having
> > > > that bad look strange
> > >
> > > I am aligned with Michael here, if you have a NAND device with block 0
> > > bad there is something really wrong going on.
> >
> > Can you see the SPL on console?
>
> BTW: The datasheet should anybody still be in doubt [1].
>
> [1] https://www.mxic.com.tw/Lists/Datasheet/Attachments/8460/MX30LF4G28AC,%203V,%204Gb,%20v1.0.pdf
>

Block 0 is guaranteed to be good
at least 1K P/E cycle (with ECC).

According to the datasheet. Question is if the bootrom using the ddtb
is able to boot any way the SPL. If this happen the patches that are
in review
should help him to boot

Michael

> Cheers
>
> Marcel



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Michael Nazzareno Trimarchi
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