dm: core: Add a clarifying comment on struct udevice's seq member

[karo-tx-uboot.git] / include / fdt_support.h

diff --git a/include/fdt_support.h b/include/fdt_support.h
index 1bda686a0b944c4b213f395fcb915bc4d25abedb..c3d1fbcf3566451419bff1a325a870a945743475 100644 (file)
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -133,6 +133,18 @@ 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);
+
 #endif /* ifdef CONFIG_OF_LIBFDT */
 
 #ifdef USE_HOSTCC