Add helper functions to return top level #size-cell and #address-cell info
Signed-off-by: Kumar Gala galak@kernel.crashing.org --- include/fdt_support.h | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/include/fdt_support.h b/include/fdt_support.h index ceaadc2..aa9d86b 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -28,6 +28,24 @@
#include <fdt.h>
+static inline int fdt_addrcell(void *blob) { + const u32 *addrcell = fdt_getprop(blob, 0, "#address-cells", NULL); + + if (addrcell) + return *addrcell; + else + return 1; +} + +static inline int fdt_sizecell(void *blob) { + const u32 *sizecell = fdt_getprop(blob, 0, "#size-cells", NULL); + + if (sizecell) + return *sizecell; + else + return 1; +} + int fdt_chosen(void *fdt, int force); int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force); void do_fixup_by_path(void *fdt, const char *path, const char *prop,