powerpc/xics: Add ICP OPAL backend

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This adds a new XICS backend that uses OPAL calls, which can be
used when we don't have native support for the platform interrupt
controller.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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

parent 1d607bb3bd

commit d74361881f

4 changed files with 155 additions and 2 deletions

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6

arch/powerpc/include/asm/xics.h

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2

arch/powerpc/sysdev/xics/Makefile

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144

arch/powerpc/sysdev/xics/icp-opal.c

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5

arch/powerpc/sysdev/xics/xics-common.c

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