4 files changed, 13 insertions, 2 deletions

diff --git a/arch/arm/mach-orion/addr-map.c b/arch/arm/mach-orion/addr-map.c
index ff6e010bccb2..488da3811a68 100644
--- a/arch/arm/mach-orion/addr-map.c
+++ b/arch/arm/mach-orion/addr-map.c
@@ -167,7 +167,9 @@ static int __init orion_cpu_win_can_remap(u32 win)
         u32 dev, rev;
 
         orion_pcie_id(&dev, &rev);
-        if ((dev == MV88F5281_DEV_ID && win < 4) || (dev == MV88F5182_DEV_ID && win < 2))
+        if ((dev == MV88F5281_DEV_ID && win < 4)
+            || (dev == MV88F5182_DEV_ID && win < 2)
+            || (dev == MV88F5181_DEV_ID && win < 2))
                 return 1;
 
         return 0;
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c
index 12736fd60004..ff34827f82a5 100644
--- a/arch/arm/mach-orion/common.c
+++ b/arch/arm/mach-orion/common.c
@@ -237,6 +237,12 @@ static void orion_id(u32 *dev, u32 *rev, char **dev_name)
                 } else {
                         *dev_name = "MV88F5182-Rev-Unsupported";
                 }
+        } else if (*dev == MV88F5181_DEV_ID) {
+                if (*rev == MV88F5181_REV_B1) {
+                        *dev_name = "MV88F5181-Rev-B1";
+                } else {
+                        *dev_name = "MV88F5181-Rev-Unsupported";
+                }
         } else {
                 *dev_name = "Device-Unknown";
         }
diff --git a/arch/arm/mach-orion/pci.c b/arch/arm/mach-orion/pci.c
index cf569c647112..0498d7c69b30 100644
--- a/arch/arm/mach-orion/pci.c
+++ b/arch/arm/mach-orion/pci.c
@@ -154,7 +154,7 @@ static int orion_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
                         PCIE_CONF_REG(where) | PCIE_CONF_ADDR_EN);
 
         orion_pcie_id(&dev, &rev);
-        if (dev == MV88F5182_DEV_ID) {
+        if (dev == MV88F5181_DEV_ID || dev == MV88F5182_DEV_ID) {
                 /* extended register space */
                 pcie_addr = ORION_PCIE_WA_BASE;
                 pcie_addr |= PCIE_CONF_BUS(bus->number) |
diff --git a/include/asm-arm/arch-orion/orion.h b/include/asm-arm/arch-orion/orion.h
index 061c03c5a17e..f787f752e58c 100644
--- a/include/asm-arm/arch-orion/orion.h
+++ b/include/asm-arm/arch-orion/orion.h
@@ -43,6 +43,9 @@
 /*******************************************************************************
  * Supported Devices & Revisions
  ******************************************************************************/
+/* Orion-1 (88F5181) */
+#define MV88F5181_DEV_ID        0x5181
+#define MV88F5181_REV_B1        3
 /* Orion-NAS (88F5182) */
 #define MV88F5182_DEV_ID        0x5182
 #define MV88F5182_REV_A2        2