Re: [PATCH] scripts: rk-usb-loader: push header first

[Sascha Hauer <s.hauer@pengutronix.de>]

On Wed, Mar 11, 2026 at 11:13:47AM +0100, Michael Tretter wrote:
> On Wed, 11 Mar 2026 11:03:47 +0100, Sascha Hauer wrote:
> > From: Michael Tretter <m.tretter@pengutronix.de>
> > 
> > Board that have secure boot enabled need the image header to be able
> > to verify the signature. Boards with secure boot disabled still work
> > with this patch as tested on a RK3588 board.
> 
> I'm not against adding this to the rk-usb-loader, but maybe add some
> comment that this change is based on a wild guess and works by chance. I
> still don't know, how the ROM code or the USB protocol works and if it
> is really correct or necessary to send the entire header.

I can add a comment. FWIW I found another project [1] for a rk-usb-loader
which does exactly the same.

[1] https://github.com/DualTachyon/rk3588-tools/blob/main/rk-usb.c#L117

Sascha

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