Hi Simon, On Thu, Nov 2, 2023 at 2:04 AM Simon Glass <[email protected]> wrote: > > U-Boot normally requires a UART. When booting from coreboot it is > sometimes just not available, e.g. when no sysinfo or DBG2 information > is provided. > > In this case we need to continue running, since the display can be used. > Add a flag to disable serial for this case. > > This allows U-Boot to start up and operation from the display, instead > of hanging on start-up. > > This could perhaps be hidden behind a Kconfig option to reduce code > size.
I think using a generic Kconfig option and filtering this out in the generic serial probe code is better than what is proposed in this patch. > > Signed-off-by: Simon Glass <[email protected]> > --- > > Changes in v2: > - Drop RFC tag since there were no comments > > drivers/serial/ns16550.c | 17 +++++++++++++++-- > drivers/serial/serial_coreboot.c | 1 + > include/ns16550.h | 1 + > 3 files changed, 17 insertions(+), 2 deletions(-) > Regards, Bin

