[coreboot] [PATCH] get USB debug console working in ROM stage

Stefan Reinauer reinauer at google.com
Fri Jan 28 09:08:55 CET 2011

* Georgi, Patrick <Patrick.Georgi at secunet.com> [110128 08:22]:
> Am Donnerstag, den 27.01.2011, 18:16 -0800 schrieb Stefan Reinauer:
> > +#if defined(__ROMCC__)
> > +#define printk(BIOS_DEBUG, fmt, arg...)   do {} while(0)
> > +#else 
> romcc doesn't support variadic macros. This only "works" because no
> chipset that uses romcc supports USB debug.
> Given the age of romcc-chipsets I think it's safe to assume that they
> support serial console, so how about we make usbdebug a CAR-only feature
> (ie. drop this #define)?
You are right. The rest of the code has some CAR assumptions, too, and
the code complexity would probably make romcc explode anyways. So for
now, I dropped the ROMCC specific stuff, including the changes I made to

> Otherwise the patch is
> Acked-by: Patrick Georgi <patrick.georgi at secunet.com>

Thanks. r6315

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