ARM: cns3xxx: Add support for PCI Express ports

This patch adds PCIe support for CNS3xxx-based boards. The support
was tested with a directly attached SKY2 NIC, and EHCI USB controller
behind the PLX PEX8112 P2P bridge (to make sure that type1 cfg cycles
work as expected).

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1f254bd6c93..fab2ddd4dcf 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -301,6 +301,7 @@ config ARCH_CNS3XXX
         select CPU_V6
         select GENERIC_CLOCKEVENTS
         select ARM_GIC
+        select PCI_DOMAINS if PCI
         help
           Support for Cavium Networks CNS3XXX platform.
 
@@ -1059,7 +1060,7 @@ config ISA_DMA_API
         bool
 
 config PCI
-        bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
+        bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
         help
           Find out whether you have a PCI motherboard. PCI is the name of a
           bus system, i.e. the way the CPU talks to the other stuff inside