[POWERPC] add of_iomap function

[safe/jmp/linux-2.6] / include / asm-powerpc / prom.h

diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index e73a2b4..f31af71 100644 (file)
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -20,6 +20,7 @@
 #include <linux/platform_device.h>
 #include <asm/irq.h>
 #include <asm/atomic.h>
+#include <asm/io.h>
 
 /* Definitions used by the flattened device tree */
 #define OF_DT_HEADER           0xd00dfeed      /* marker */
@@ -355,6 +356,16 @@ static inline int of_irq_to_resource(struct device_node *dev, int index, struct
        return irq;
 }
 
+static inline void __iomem *of_iomap(struct device_node *np, int index)
+{
+       struct resource res;
+
+       if (of_address_to_resource(np, index, &res))
+               return NULL;
+
+       return ioremap(res.start, 1 + res.end - res.start);
+}
+
 
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_PROM_H */