-#define iounmap(addr) ((void)0)
-#define ioremap(physaddr, size) (physaddr)
-#define ioremap_nocache(physaddr, size) (physaddr)
-#define ioremap_writethrough(physaddr, size) (physaddr)
-#define ioremap_fullcache(physaddr, size) (physaddr)
+
+/* Some places try to pass in an loff_t for PHYSADDR (?!), so we cast it to
+ long before casting it to a pointer to avoid compiler warnings. */
+#define ioremap(physaddr, size) ((void __iomem *)(unsigned long)(physaddr))
+#define iounmap(addr) ((void)0)
+
+#define ioremap_nocache(physaddr, size) ioremap (physaddr, size)
+#define ioremap_writethrough(physaddr, size) ioremap (physaddr, size)
+#define ioremap_fullcache(physaddr, size) ioremap (physaddr, size)
+
+#define ioread8(addr) readb (addr)
+#define ioread16(addr) readw (addr)
+#define ioread32(addr) readl (addr)
+#define iowrite8(val, addr) writeb (val, addr)
+#define iowrite16(val, addr) writew (val, addr)
+#define iowrite32(val, addr) writel (val, addr)