[U-Boot] [PATCH v2 0/8] imx: add USB Serial Download Protocol (SDP) support

[Stefano Babic]

Hi Stefan,

On 16/08/2017 20:00, Stefan Agner wrote:
> From: Stefan Agner <stefan.agner at toradex.com>
> 
> This series adds NXP's Serial Download Protocol (SDP) support via
> USB for SPL/U-Boot. It allows to download U-Boot via USB from a
> (recovered) SPL using the same tools used to download SPL itself
> (specifically imx_usb, but also sb_loader seems to work).
> 
> The idea has been brought up when the first targets started to make
> use of SPL for DDR initialization, see:
> https://lists.denx.de/pipermail/u-boot/2015-July/220330.html
> 
> The initial SDP implementation (patch 2) requires the payload to
> have the imx specific headers (hence the move of the imx header
> file in patch 1).
> 
> Patch 3 extends image header support beyond the SDP specification,
> specifically implements also support for U-Boot headers. This
> allows to use the same SPL/U-Boot binaries for recovery as used on
> the regular boot device (SD/eMMC). For that to work also the host
> side imx_usb tools needed an extension, currently available here:
> 
> https://github.com/toradex/imx_loader/tree/imx_usb_batch_mode_refactored
> 
> (in case this patchset gets accepted in U-Boot, I plan to push
> these imx_usb changes upstream as well)
> 
> The full patchset allows to download SPL and U-Boot over USB to a
> target in recovery mode using the same usb_imx utility. Refer to
> the new README.sdp for details how to use usb_imx in combination
> with this implementation.
> 
> Changes in v2:
> - Changed function signature of sdp_init/sdp_handle to allow specifying
>   which USB controller should be used.
> - Use #defines for security mode
> - Improved types used in format strings
> - Changed function signature of sdp_init/sdp_handle
> - Use BOOT_DEVICE_BOARD
> 
> Stefan Agner (8):
>   imx: move imximage header to common location
>   usb: gadget: add SDP driver
>   usb: gadget: sdp: extend images compatible for jumps
>   cmd: add sdp command
>   spl: add serial download protocol (SDP) support
>   doc: add Serial Download Protocol documentation
>   apalis/colibri_imx6: use independent USB PID for SPL
>   apalis/colibri_imx6: enable SDP by default
> 

I have merged the whole series to u-boot-imx. Many thanks for your
effort, this was in the TODO list for i.MX since a long time !

Best regards,
Stefano Babic

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