3 files changed, 23 insertions, 0 deletions

diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h
index 29b0bb0086d3..29613500c2c2 100644
--- a/include/asm-powerpc/mmu.h
+++ b/include/asm-powerpc/mmu.h
@@ -394,6 +394,10 @@ static inline unsigned long get_vsid(unsigned long context, unsigned long ea)
 #define VSID_SCRAMBLE(pvsid)    (((pvsid) * VSID_MULTIPLIER) % VSID_MODULUS)
 #define KERNEL_VSID(ea)         VSID_SCRAMBLE(GET_ESID(ea))
 
+/* Physical address used by some IO functions */
+typedef unsigned long phys_addr_t;
+
+
 #endif /* __ASSEMBLY */
 
 #endif /* CONFIG_PPC64 */
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index f999df1c5c90..fb732c992bd2 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -223,5 +223,14 @@ extern struct resource *request_OF_resource(struct device_node* node,
                                 int index, const char* name_postfix);
 extern int release_OF_resource(struct device_node* node, int index);
 
+/*
+ * Address translation function(s)
+ */
+#define OF_BAD_ADDR     ((u64)-1)
+extern u64 of_translate_address(struct device_node *np, u32 *addr);
+extern u32 *of_get_address(struct device_node *dev, int index, u64 *size);
+extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size);
+
+
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_PROM_H */
diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h
index 3e39827ed566..a10a2d64b300 100644
--- a/include/asm-ppc/prom.h
+++ b/include/asm-ppc/prom.h
@@ -136,5 +136,15 @@ extern unsigned long sub_reloc_offset(unsigned long);
 #define PTRRELOC(x)     ((typeof(x))add_reloc_offset((unsigned long)(x)))
 #define PTRUNRELOC(x)   ((typeof(x))sub_reloc_offset((unsigned long)(x)))
 
+
+/*
+ * Address translation function(s)
+ */
+#define OF_BAD_ADDR     ((u64)-1)
+extern u64 of_translate_address(struct device_node *np, u32 *addr);
+extern u32 *of_get_address(struct device_node *dev, int index, u64 *size);
+extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size);
+
+
 #endif /* _PPC_PROM_H */
 #endif /* __KERNEL__ */