From cfe2ae89360954f0cbc585f5c72e60a07eb066a2 Mon Sep 17 00:00:00 2001
From: Fu Wei <fu.wei@linaro.org>
Date: Thu, 7 May 2015 15:13:25 +0200
Subject: [PATCH] fdt.h: Add grub_fdt_set_reg64 macro

Signed-off-by: Fu Wei <fu.wei@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 301699830..fdfca75bf 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 */