2 files changed, 20 insertions, 1 deletions

diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c
index c7e6e859b393..bc5b4e22fa5d 100644
--- a/arch/powerpc/sysdev/indirect_pci.c
+++ b/arch/powerpc/sysdev/indirect_pci.c
@@ -35,10 +35,17 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
         u8 cfg_type = 0;
         u32 bus_no, reg;
 
+        if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
+                if (bus->number != hose->first_busno)
+                        return PCIBIOS_DEVICE_NOT_FOUND;
+                if (devfn != 0)
+                        return PCIBIOS_DEVICE_NOT_FOUND;
+        }
+
         if (ppc_md.pci_exclude_device)
                 if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
                         return PCIBIOS_DEVICE_NOT_FOUND;
-        
+
         if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
                 if (bus->number != hose->first_busno)
                         cfg_type = 1;
@@ -83,6 +90,13 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
         u8 cfg_type = 0;
         u32 bus_no, reg;
 
+        if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
+                if (bus->number != hose->first_busno)
+                        return PCIBIOS_DEVICE_NOT_FOUND;
+                if (devfn != 0)
+                        return PCIBIOS_DEVICE_NOT_FOUND;
+        }
+
         if (ppc_md.pci_exclude_device)
                 if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
                         return PCIBIOS_DEVICE_NOT_FOUND;
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index 7a00b8e388ec..975435743031 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -45,10 +45,15 @@ struct pci_controller {
          *   on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS
          *   to determine which bus number to match on when generating type0
          *   config cycles
+         *  NO_PCIE_LINK - the Freescale PCI-e controllers have issues with
+         *   hanging if we don't have link and try to do config cycles to
+         *   anything but the PHB.  Only allow talking to the PHB if this is
+         *   set.
          */
 #define PPC_INDIRECT_TYPE_SET_CFG_TYPE          (0x00000001)
 #define PPC_INDIRECT_TYPE_EXT_REG               (0x00000002)
 #define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS  (0x00000004)
+#define PPC_INDIRECT_TYPE_NO_PCIE_LINK          (0x00000008)
         u32 indirect_type;
 
         /* Currently, we limit ourselves to 1 IO range and 3 mem