Legacy UARTs can exist on PowerNV, memory-mapped ones on PCI or IO based ones on the LPC bus. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
@@ -8,6 +8,7 @@ config PPC_POWERNV
select PPC_PCI_CHOICE if EMBEDDED
select EPAPR_BOOT
select PPC_INDIRECT_PIO
+ select PPC_UDBG_16550
default y
config POWERNV_MSI