powerpc/powernv: Add support for direct mapped LPC on POWER9

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Use the new non-PCI ISA bridge support to expose the POWER9
LPC bus as direct mapped via the ISA IO port range. This
enables direct access via drivers such as 8250

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

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Benjamin Herrenschmidt 2017-01-30 18:11:57 +11:00 • committed by Michael Ellerman

parent b3c711a9e1

commit 023b13a501

2 changed files with 15 additions and 6 deletions

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3

arch/powerpc/kernel/legacy_serial.c

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16

arch/powerpc/platforms/powernv/opal-lpc.c

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