diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index e9c70f754e02..42d61d4f4b86 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -18,6 +18,35 @@
 #define __raw_writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
 #define __raw_writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
 
+#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)
+/*
+ * Support for PCI bus access uses the asm-generic access functions.
+ * We need to supply the base address and masks for the normal memory
+ * and IO address space mappings.
+ */
+#include <asm/byteorder.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+
+#define PCI_MEM_PA	0xf0000000		/* Host physical address */
+#define PCI_MEM_BA	0xf0000000		/* Bus physical address */
+#define PCI_MEM_SIZE	0x08000000		/* 128 MB */
+#define PCI_MEM_MASK	(PCI_MEM_SIZE - 1)
+
+#define PCI_IO_PA	0xf8000000		/* Host physical address */
+#define PCI_IO_BA	0x00000000		/* Bus physical address */
+#define PCI_IO_SIZE	0x00010000		/* 64k */
+#define PCI_IO_MASK	(PCI_IO_SIZE - 1)
+
+#define HAVE_ARCH_PIO_SIZE
+#define PIO_OFFSET	0
+#define PIO_MASK	0xffff
+#define PIO_RESERVED	0x10000
+#define PCI_IOBASE	((void __iomem *) PCI_IO_PA)
+#define PCI_SPACE_LIMIT	PCI_IO_MASK
+
+#else
+
 #define readb __raw_readb
 #define readw __raw_readw
 #define readl __raw_readl
@@ -25,6 +54,8 @@
 #define writew __raw_writew
 #define writel __raw_writel
 
+#endif /* CONFIG_PCI && CONFIG_COLDFIRE */
+
 /*
  * These are defined in kmap.h as static inline functions. To maintain
  * previous behavior we put these define guards here so io_mm.h doesn't