[U-Boot] changes in rk3288 code have made me unable to boot u-boot on veyron speedy

[Heiko Stuebner <heiko@sntech.de>]

Hi Marty,

Am Samstag, 9. März 2019, 08:15:23 CET schrieb Marty E. Plummer:
> Was going to work on getting that usb->uart redirection code from the
> linux kernel into u-boot for rk3288, like we have for rk3188, but
> apparently there have been some changes which render chromebook_speedy_defconfig
> unable to produce a bootable image. Guidance and suggestions welcome.
> 
> Current chromebook_speedy_defconfig results:
> U-Boot SPL 2019.04-rc3-03639-ge8e3f2d2d4 (Mar 09 2019 - 00:59:05 -0600)                                                  
> Trying to boot from SPI
> SPI probe failed.
> SPL: failed to boot from all boot devices
> ### ERROR ### Please RESET the board ###
> 
> chromebook_speedy_defconfig with CONFIG_SPI_FLASH turned on (didn't get
> moved into the defconfig like the rest)
> U-Boot SPL 2019.04-rc3-03639-ge8e3f2d2d4 (Mar 09 2019 - 01:01:38 -0600)                                                  
> Trying to boot from SPI
> initcall sequence 001511f4 failed at call 00101ad5 (err=-38)
> ### ERROR ### Please RESET the board ###
> 
> And enabling the full pinctrl driver and the needed libfdt stuff results
> in no output at all.

Maybe you could try the in flight patch from David first:
http://patchwork.ozlabs.org/patch/1040541/

In general I noticed in recent tries that rk3288 scrapes really narrow
at the 32kb limit of the sram, so possibly we'll need TPL on all rk3288
boards similar to what the rk3288-vyasa board already does now.


Heiko