fdt: Add grub_fdt_set_reg64 macro into fdt.h header file for inserting "reg" properiy, while #address-cells = <0x2> and #size-cells = <0x2>

Signed-off-by: Fu Wei fu.wei@linaro.org Reviewed-by: Leif Lindholm leif.lindholm@linaro.org --- include/grub/fdt.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)

diff --git a/include/grub/fdt.h b/include/grub/fdt.h index 3016998..fdfca75 100644 --- a/include/grub/fdt.h +++ b/include/grub/fdt.h @@ -117,4 +117,16 @@ int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name, grub_fdt_set_prop ((fdt), (nodeoffset), (name), &_val, 8); \ })

+/* Setup "reg" property for + * #address-cells = <0x2> + * #size-cells = <0x2> + */ +#define grub_fdt_set_reg64(fdt, nodeoffset, addr, size) \ +({ \ + grub_uint64_t reg_64[2]; \ + reg_64[0] = grub_cpu_to_be64(addr); \ + reg_64[1] = grub_cpu_to_be64(size); \ + grub_fdt_set_prop ((fdt), (nodeoffset), "reg", reg_64, 16); \ +}) + #endif /* ! GRUB_FDT_HEADER */