MIPS: PCI: Netlogic XLP9XX support

Add PCI support for Netlogic XLP9XX. The PCI registers and
SoC bus numbers have changed in XLP9XX.

Also skip a few (bus,dev,fn) combinations which have issues when
read.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6284/

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c
index efd64ac1f407..e7ff2d37a464 100644
--- a/arch/mips/netlogic/xlp/nlm_hal.c
+++ b/arch/mips/netlogic/xlp/nlm_hal.c
@@ -76,6 +76,11 @@ int nlm_irq_to_irt(int irq)
                         return 133;
                 case PIC_UART_1_IRQ:
                         return 134;
+                case PIC_PCIE_LINK_LEGACY_IRQ(0):
+                case PIC_PCIE_LINK_LEGACY_IRQ(1):
+                case PIC_PCIE_LINK_LEGACY_IRQ(2):
+                case PIC_PCIE_LINK_LEGACY_IRQ(3):
+                        return 191 + irq - PIC_PCIE_LINK_LEGACY_IRQ_BASE;
                 }
                 return -1;
         }