[RFC PATCH v4 2/2] powerpc: gamecube/wii: early debugging using usbgecko

Segher Boessenkool segher at kernel.crashing.org
Sat Dec 5 06:56:41 EST 2009

>>> +setup_usbgecko_bat:
>>> +    /* prepare a BAT for early io */
>>> +#if defined(CONFIG_GAMECUBE)
>>> +    lis    r8, 0x0c00
>>> +#elif defined(CONFIG_WII)
>>> +    lis    r8, 0x0d00
>>> +#else
>>> +#error Invalid platform for USB Gecko based early debugging.
>>> +#endif
>> A kernel with both CONFIG_WII and CONFIG_GAMECUBE works fine
>> on either, right?  If so, could you please switch the two #ifs?
>> A dual-platform kernel will be used on a Wii much more likely
>> than on a GC.
> Nope, a GameCube kernel currently doesn't work on a Wii and the same the
> other way around.

What is the problem, just the wrappers?

> But I can make that particular check a runtime check.

Nah, don't bother, this is just early debug stuff.

> The idea would be to enclose that snippet in GAMECUBE_COMMON and check the
> PVR.



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