powerpc/powernv: Add XICS emulation APIs

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OPAL provides an emulated XICS interrupt controller to
use as a fallback on newer processors that don't have a
XICS. It's meant as a way to provide backward compatibility
with future processors. Add the corresponding interfaces.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

...

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Benjamin Herrenschmidt 2016-07-08 16:37:05 +10:00 • committed by Michael Ellerman

parent c0691f9dd2

commit 9fedd3f880

3 changed files with 14 additions and 1 deletions

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6

arch/powerpc/include/asm/opal-api.h

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5

arch/powerpc/include/asm/opal.h

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4

arch/powerpc/platforms/powernv/opal-wrappers.S

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