powerpc/powernv/vas: Define helpers to access MMIO regions

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Define some helper functions to access the MMIO regions. We use these
in follow-on patches to read/write VAS hardware registers. They are
also used to later issue 'paste' instructions to submit requests to
the NX hardware engines.

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Sukadev Bhattiprolu 2017-08-28 23:23:34 -07:00 • committed by Michael Ellerman

parent 4dea2d1a92

commit 180fe15a82

1 changed files with 174 additions and 0 deletions

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arch/powerpc/platforms/powernv/vas-window.c

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