diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index f221608..48fe403 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -40,8 +40,8 @@
 
 static struct resource sh7780_io_resource = {
 	.name	= "SH7780_IO",
-	.start	= 0x2000,
-	.end	= 0x2000 + SH7780_PCI_IO_SIZE - 1,
+	.start	= SH7780_PCI_IO_BASE,
+	.end	= SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
 	.flags	= IORESOURCE_IO
 };
 
diff --git a/arch/sh/drivers/pci/ops-se7780.c b/arch/sh/drivers/pci/ops-se7780.c
index 212674df..bbdb48c1 100644
--- a/arch/sh/drivers/pci/ops-se7780.c
+++ b/arch/sh/drivers/pci/ops-se7780.c
@@ -43,8 +43,8 @@
 
 static struct resource se7780_io_resource = {
 	.name	= "SH7780_IO",
-	.start	= 0x2000,
-	.end	= 0x2000 + SH7780_PCI_IO_SIZE - 1,
+	.start	= SH7780_PCI_IO_BASE,
+	.end	= SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
 	.flags	= IORESOURCE_IO
 };
 
diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h
index 00d12d0..1d069a8 100644
--- a/arch/sh/drivers/pci/pci-sh7780.h
+++ b/arch/sh/drivers/pci/pci-sh7780.h
@@ -30,7 +30,7 @@
 #define SH7780_PCI_MEMORY_BASE	0xFD000000	/* Memory space base addr */
 #define SH7780_PCI_MEM_SIZE	0x01000000	/* Size of Memory window */
 
-#define SH7780_PCI_IO_BASE	0xFE400000	/* IO space base address */
+#define SH7780_PCI_IO_BASE	0xFE200000	/* IO space base address */
 #define SH7780_PCI_IO_SIZE	0x00400000	/* Size of IO window */
 
 #define SH7780_PCIREG_BASE	0xFE040000	/* PCI regs base address */