+int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
+ uint64_t *addr, uint64_t *len);
+
+enum fdt_status {
+ FDT_STATUS_OKAY,
+ FDT_STATUS_DISABLED,
+ FDT_STATUS_FAIL,
+ FDT_STATUS_FAIL_ERROR_CODE,
+};
+int fdt_set_node_status(void *fdt, int nodeoffset,
+ enum fdt_status status, unsigned int error_code);
+static inline int fdt_status_okay(void *fdt, int nodeoffset)
+{
+ return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
+}
+static inline int fdt_status_disabled(void *fdt, int nodeoffset)
+{
+ return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
+}
+static inline int fdt_status_fail(void *fdt, int nodeoffset)
+{
+ return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
+}
+
+int fdt_set_status_by_alias(void *fdt, const char *alias,
+ enum fdt_status status, unsigned int error_code);
+static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
+{
+ return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
+}
+static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
+{
+ return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
+}
+static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
+{
+ return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
+}
+
+/* Helper to read a big number; size is in cells (not bytes) */
+static inline u64 of_read_number(const fdt32_t *cell, int size)
+{
+ u64 r = 0;
+ while (size--)
+ r = (r << 32) | fdt32_to_cpu(*(cell++));
+ return r;
+}
+
+void of_bus_default_count_cells(void *blob, int parentoffset,
+ int *addrc, int *sizec);
+int ft_verify_fdt(void *fdt);
+int arch_fixup_memory_node(void *blob);