[U-Boot] [EXT] Saving u-boot environment on LS1046ardb QSPI bricks flash memory

[Matthew Ratson]

Hi Ashish,

Thank you very much for your quick response and the information you
provided, greatly appreciated.

Do you possibly know what is the latest Denx u-boot release where this
issue does not exist, and QSPI builds are working?

Thanks,
Matthew

On Fri, Sep 13, 2019 at 5:22 AM Ashish Kumar <ashish.kumar at nxp.com> wrote:

>
>
> > -----Original Message-----
> > From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Matthew
> > Ratson
> > Sent: Friday, September 13, 2019 12:55 AM
> > To: u-boot at lists.denx.de
> > Subject: [EXT] [U-Boot] Saving u-boot environment on LS1046ardb QSPI
> > bricks flash memory
> >
> > Caution: EXT Email
> >
> > Hi there,
> >
> > I am currently working with a LS1046ardb development board from
> > NXP/Layerscape. Using their provided firmware image from the primary QSPI
> > memory bank, I have tried to flash my own compiled u-boot (using the
> > ls1046ardb_qspi_defconfig file) onto the alternate memory bank. I have
> also
> > flashed a Reset Configuration Word (RCW) which was provided by NXP.
> >
> > This process is successful and the alternate bank boots into u-boot.
> > However, I discovered that after simply executing a "saveenv" command and
> > then rebooting again into the alternate bank, the alternate flash memory
> > seems to be "bricked". I can no longer boot into the alternate bank and
> > instead, the board will boot into the default bank.
> >
> > I am wondering if this issue and has been noticed already by someone or
> if
> > there is something I am not doing correctly.
> >
> > Is their a specific denx RCW that I should use instead, rather than the
> one
> > provided by NXP?
> >
> > Any help would be greatly appreciated!
> Hi Matthew,
>
> This driver is broken in upstream and it is work in progress to  fix  and
> update in upstream.
> You can still fetch this from github as few other people have also
> reported the same.
> On  github repo there are 2 version of driver.
>
> One with old xfer method and one with new spi-mem version.
> I am debugging the spi-mem version as this is the recommended version by
> maintainers .
> LS1046 is working via both methods. There are some debug prints in spi-mem
> version.
>
> https://github.com/erashish007/u-boot-spi-mem/
> br:  spi-mem-port
> https://github.com/erashish007/u-boot-spi-mem/
> br: xfer_wrking
>
> Regards
> Ashish
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