[U-Boot] Building u-boot.imx and SPL simultaneously

[Petr Kulhavy]

Hi Fabio,

On 02/09/16 22:03, Fabio Estevam wrote:
> You don't need u-boot.imx to boot the board with imx_usb_loader.
> Check the README update that Stefano did with this commit:
>
> commit 40f4839ce12adfc0223d6e3035cf9c3a4754a0ec
> Author: Stefano Babic <sbabic at denx.de>
> Date:   Fri Dec 11 17:30:42 2015 +0100
>
>      imx_common: check for Serial Downloader in spl_boot_device
>
>      Check for bmode before reading the boot device
>      to check if a serial downloader is started,
>      and returns UART if the serial downloader is set,
>      letting SPL to wait for an image if
>      CONFIG_SPL_YMODEM_SUPPORT is set.
>
>      This allows to load again a SPL based board
>      with imx_usb_loader together with a tool
>      such as kermit.
>
>      Signed-off-by: Stefano Babic <sbabic at denx.de>
>      CC: Tim Harvey <tharvey at gateworks.com>
>      CC: Fabio Estevam <Fabio.Estevam at freescale.com>
>      CC: Eric Nelson <eric.nelson at boundarydevices.com>
>      Reviewed-by: Eric Nelson <eric at nelint.com>
>      Tested-by: Eric Nelson <eric at nelint.com>
This is not particularly what I want to do. I want to load the 
u-boot.img directly via the imx_usb_loader.
The kermit method is unacceptably slow for a production environment.

Regards
Petr