[U-Boot] [PATCH 0/5] Enable usage of SDP for i.MX6 Sabre Auto Boards

[Lukasz Majewski]

Hi Sjoerd,

> Being able to upload u-boot over USB is rather useful, so ideally this
> functionality should be enabled by the default config for these
> boards. Currently however no USB support is built into the SPL nor is
> SDP enabled for i.MX6 Sabre Auto boards.
> 
> The first two patches in this series adjust the defconfig in a similar
> way as Fabio has done in a recent patchset for Sabre SD. The first one
> drops SPL DM support as there is no way to fit that *and* USB support
> in at the moment, the second one adds missing pinctrl configuration
> for the main u-boot binary.
> 
> The third patch enabled USB & SPL SDP support.
> 
> Patch four adds support for loading FIT images over SDP as that is
> what is in use for the Sabre auto's main u-boot image. This is simply
> the patch Frieder Schrempf submitted to the mainlinglist earlier, but
> made to build on current git master. (Frieder could you be so kind to
> add your SoB?).
> 
> The final patch fixes the u-boot image failing to start due to
> DM_VIDEO.
> 
> Patchset tested by using uuu with the following configuration:
> ```
> uuu_version 1.2
> SDP: boot -f  SPL
> SDPU: write -f u-boot-dtb.img -addr 0x10000000
> SDPU: jump -addr 0x10000000
> SPDU: done
> ```
> 
> I suspect these patches are to late for 2019.07, especially since FIT
> support in SDP would be a new feature? If so I'm happy to split this
> set out of patches that should definatly land for 2019.07 (Making
> sabre auto work) and submit the others for 2019.10

I think that Fabio and Stefano would have a final opinion, but IMHO,
it would be best if you would split those patches.

> 
> 
> Frieder Schrempf (1):
>   usb: gadget: f_sdp: Allow SPL to load and boot FIT via SDP
> 
> Sjoerd Simons (4):
>   mx6sabreauto: Remove CONFIG_SPL_DM to decrease the SPL size
>   mx6sabreauto: Select pinctrl driver
>   mx6sabreauto: Enable SPL SDP support
>   mx6sabreauto: set SYS_MALLOC_F for video
> 
>  common/spl/spl_sdp.c           | 11 +++++++--
>  configs/mx6sabreauto_defconfig |  8 +++++--
>  drivers/usb/gadget/f_sdp.c     | 41
> +++++++++++++++++++++++++++++----- include/sdp.h                  |
> 4 +++- 4 files changed, 53 insertions(+), 11 deletions(-)
> 




Best regards,

Lukasz Majewski

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