U-Boot fails dfu on edison

[Andy Shevchenko <andy.shevchenko@gmail.com>]

On Thu, Sep 03, 2020 at 08:21:23AM -0600, Simon Glass wrote:
> On Thu, 3 Sep 2020 at 07:51, Andy Shevchenko <andy.shevchenko@gmail.com> wrote:
> > On Thu, Sep 3, 2020 at 4:40 PM Andy Shevchenko
> > <andriy.shevchenko@linux.intel.com> wrote:
> > > On Thu, Sep 03, 2020 at 07:15:59AM -0600, Simon Glass wrote:

...

> > > Hmm... Have you read this [1]? It may give some hints I think.
> > >
> > > [1]: https://edison-fw.github.io/edison-wiki/u-boot-update (look into known-bugs section)
> > >
> > > > Any ideas please?
> > >
> > > See above.
> >
> > Just in case my script [2] to prepare a U-Boot image file suitable for xFSTK.
> >
> > [2]: https://gist.github.com/andy-shev/2c388310f2773ead647d9c1a3f1c813f
> 
> Thanks, that gets me a bit closer. Here are my steps:
> 
> 1. Start with the original 2014 U-Boot from 'flashall.sh --recovery'
> 2. Boot it and use dfu-util to flash the latest 2020 U-Boot as per edison.rst
> 3. Set env vars as guessed from the link you provided:
> 
> setenv dfu_alt_info "ifwi${hardware_id} raw 0 8192 mmcpart
> 1;ifwib${hardware_id} raw 0 8192 mmcpart 2;u-boot0 part 0
> 1;u-boot-env0 part 0 2;u-boot1 part 0 3;u-boot-env1 part 0 4;boot part
> 0 7;rootfs part 0 8;update part 0 9;home part 0 10;vmlinuz fat 0
> 7;initrd fat 0 7"
> setenv do_dfu_alt_info_ifwi 'setenv dfu_alt_info "ifwi${hardware_id}
> raw 0 8192 mmcpart 1;ifwib${hardware_id} raw 0 8192 mmcpart 2"'
> setenv do_dfu_alt_info_mmc 'setenv dfu_alt_info "ifwi${hardware_id}
> raw 0 8192 mmcpart 1;ifwib${hardware_id} raw 0 8192 mmcpart 2;u-boot0
> part 0 1;u-boot-env0 part 0 2;u-boot1 part 0 3;u-boot-env1 part 0
> 4;boot part 0 7;rootfs part 0 8;update part 0 9;home part 0 10;vmlinuz
> fat 0 7;initrd fat 0 7"'
> setenv do_flash_ifwi 'run do_dfu_alt_info_ifwi ; dfu 0 raw 3'
> setenv do_force_flash_os 'run do_dfu_alt_info_mmc ; sleep 1 ; setenv
> do_flash_os_done 1 ; saveenv ; dfu 0 raw 3'

^^^

> 4. Reboot and see:
> 
> U-Boot 2020.10-rc3-00012-g9f04a634ef3 (Sep 03 2020 - 07:06:30 -0600)
> 
> CPU:   Genuine Intel(R) CPU   4000  @  500MHz
> DRAM:  980.6 MiB
> WDT:   Started with servicing (60s timeout)
> MMC:   mmc at ff3fc000: 0, mmc at ff3fa000: 1
> Loading Environment from MMC... OK
> In:    serial
> Out:   serial
> Err:   serial
> Net:   No ethernet found.
> Hit any key to stop autoboot:  0
> Target:ifwi
> Partitioning already done...
> Partitioning already done...
> Saving Environment to MMC... Writing to redundant MMC(0)... OK
> dfu_fill_entity: Device raw not (yet) supported!

> So I am still missing something?

Yes. You haven't read the Issue #3 [3] mentioned in the known-bug section in [1].

[3]: https://github.com/intel/edison-u-boot/issues/3

-- 
With Best Regards,
Andy Shevchenko