[RFC PATCH 11/19] powerpc: gamecube/wii: flipper interrupt controller support

Benjamin Herrenschmidt benh at kernel.crashing.org
Sat Nov 28 13:26:49 EST 2009


On Sat, 2009-11-28 at 03:04 +0100, Segher Boessenkool wrote:
> >> It turns out that we _need_ to ack the RSW (Reset Switch)
> interrupt.
> >> The other interrupt sources checked (EXI, VI, DI, AI, DSP/ARAM)
> need
> >> no explicit ack.
> >
> > That would probably mean that the reset switch interrupt is an edge
> > interrupt.
> 
> Nah, it means that the RSW is a flip-flop.

Controlled by the PIC's ISR ? That would be weird. But heh, it's custom
(aka crap) HW so ... :-)

Cheers,
Ben.




More information about the Linuxppc-dev mailing list