[U-Boot] [PATCH 1/2] Pass through start.elf bootargs on Raspberry Pi

[Tom Rini]

On Sun, Nov 29, 2015 at 07:40:12PM +0100, Marco Schuster wrote:

> On Raspberry Pi, the primary bootloader start.elf uses the options in
> config.txt, as well as options hidden in the firmware itself, to tell
> the Linux kernel e.g. framebuffer sizes, memory regions, MAC addresses
> and more.

While Stephen has made some important and useful comments, I want to
poke at one other thing:

>> +        * To force start.elf to pass a processed, ready-to-go DT,
> +        * you have to use the mkknlimg tool on the u-boot image:
> +        * ./mkknlimg --dtok u-boot.bin /boot/u-boot.bin
> +        *
> +        * mkknlimg can be obtained from
> https://github.com/raspberrypi/tools/blob/master/mkimage/knlinfo

I think there is value in being able to support the Pi-official flow.
What I'd like to see (along with making sure that we don't break support
of using mainline kernels) is that knlinfo be updated with a more
complete license statement (it doesn't say what version of the GPL it's
licensed under) and then dropped into U-Boot so that we can generate the
correct binary for this case out of the box.  That's a much cleaner
experience for the users.

-- 
Tom
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