grub-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[PATCH 1/5] Add grub_fdt_set_reg64 macro into fdt.h header file for


From: Fu Wei
Subject: [PATCH 1/5] Add grub_fdt_set_reg64 macro into fdt.h header file for
Date: Fri, 19 Dec 2014 01:59:30 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0

inserting "reg" properiy, while #address-cells = <0x2> and #size-cells = <0x2>

Signed-off-by: Fu Wei <address@hidden>
Reviewed-by: Leif Lindholm <address@hidden>
---
 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 */
-- 
1.8.3.1



reply via email to

[Prev in Thread] Current Thread [Next in Thread]