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(parent: b3c711a) | patch
powerpc/powernv: Add support for direct mapped LPC on POWER9
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 30 Jan 2017 07:11:57 +0000 (18:11 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 31 Jan 2017 02:54:18 +0000 (13:54 +1100)
commit023b13a50183d9cfc4fc5a66cb1f773ace22024c
treead6ca1d8c83e0b750f452f7f947a3375f2a19faetree | snapshot
parentb3c711a9e19eb2b300132f1712ff3d5afb4b02dccommit | diff
powerpc/powernv: Add support for direct mapped LPC on POWER9

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>
arch/powerpc/kernel/legacy_serial.c diff | blob | history
arch/powerpc/platforms/powernv/opal-lpc.c diff | blob | history
Linux kernel for KaRo TX COM modules