extern struct device_node *of_node_get(struct device_node *node);
extern void of_node_put(struct device_node *node);
+/* For scanning the flat device-tree at boot time */
+int __init of_scan_flat_dt(int (*it)(unsigned long node,
+ const char *uname, int depth,
+ void *data),
+ void *data);
+void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
+ unsigned long *size);
+
/* For updating the device tree at runtime */
extern void of_attach_node(struct device_node *);
extern void of_detach_node(const struct device_node *);
extern int prom_n_size_cells(struct device_node* np);
extern int prom_n_intr_cells(struct device_node* np);
extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
-extern void prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_add_property(struct device_node* np, struct property* prop);
#ifdef CONFIG_PPC32
/*
int index, const char* name_postfix);
extern int release_OF_resource(struct device_node* node, int index);
+
+/*
+ * OF address retreival & translation
+ */
+
+
+/* Translate an OF address block into a CPU physical address
+ */
+#define OF_BAD_ADDR ((u64)-1)
+extern u64 of_translate_address(struct device_node *np, u32 *addr);
+
+/* Extract an address from a device, returns the region size and
+ * the address space flags too. The PCI version uses a BAR number
+ * instead of an absolute index
+ */
+extern u32 *of_get_address(struct device_node *dev, int index,
+ u64 *size, unsigned int *flags);
+extern u32 *of_get_pci_address(struct device_node *dev, int bar_no,
+ u64 *size, unsigned int *flags);
+
+/* Get an address as a resource. Note that if your address is
+ * a PIO address, the conversion will fail if the physical address
+ * can't be internally converted to an IO token with
+ * pci_address_to_pio(), that is because it's either called to early
+ * or it can't be matched to any host bridge IO space
+ */
+extern int of_address_to_resource(struct device_node *dev, int index,
+ struct resource *r);
+extern int of_pci_address_to_resource(struct device_node *dev, int bar,
+ struct resource *r);
+
#endif /* __KERNEL__ */
#endif /* _POWERPC_PROM_H */