[PATCH] arm: apple: Point stdout-path to framebuffer when keyboard present

[Tom Rini]

On Tue, Apr 19, 2022 at 09:20:31PM +0200, Mark Kettenis wrote:

> Unless you have a spare Apple Silicon machine, getting access to
> the serial port on Apple Silicon machines requires special
> hardware. Given that most machines come with a built-in screen
> the framebuffer is likely to be the most convenient output device
> for most users. While U-Boot will output to both serial and
> framebuffer, OSes might not. Therefore set stdout-path to point
> at /chosen/framebuffer when a keyboard is connected to the machine.
> 
> This behaviour can be overridden by setting the "stdout" variable
> in the U-Boot environment. I addition to that keep the serial
> console as the default when running under the m1n1 hypervisor.
> The m1n1 hypervisor virtualizes the serial port such that it
> can be easily accessed from any other machine with a USB port.
> 
> Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
> Reviewed-by: Janne Grunau <j at jannau.net>
> Tested-by: Janne Grunau <j at jannau.net>

Applied to u-boot/master, thanks!

-- 
Tom
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