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powerpc: Add support for non-PCI ISA bridges
The POWER9 chip supports an LPC bus that isn't hanging off a PCI bus, so let's add support for that, mapping it to the reserved space at ISA_IO_BASE Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Benjamin Herrenschmidt
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Michael Ellerman
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Jan 31, 2017
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