powerpc: Add support for non-PCI ISA bridges
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 30 Jan 2017 07:11:56 +0000 (18:11 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 31 Jan 2017 02:54:17 +0000 (13:54 +1100)
commitb3c711a9e19eb2b300132f1712ff3d5afb4b02dc
treebdef93ab202200f4fe5b827c90e8c94d3e7ef840
parent38e9d36bc149932964dcd25818c7f7283239592d
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>
arch/powerpc/include/asm/isa-bridge.h
arch/powerpc/kernel/isa-bridge.c