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Diffstat (limited to 'src/include/spd_ddr2.h')
-rw-r--r--src/include/spd_ddr2.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/spd_ddr2.h b/src/include/spd_ddr2.h
index 848cc5d421..724c996b59 100644
--- a/src/include/spd_ddr2.h
+++ b/src/include/spd_ddr2.h
@@ -14,6 +14,9 @@
* GNU General Public License for more details.
*/
+#ifndef __SPD_DDR2_H__
+#define __SPD_DDR2_H__
+
/* SPDs for DDR2 SDRAM */
#define SPD_MEM_TYPE 2
#define SPD_MEM_TYPE_SDRAM_DDR 0x07
@@ -111,3 +114,5 @@
#define SPD_TRFC 42
#define SPD_TREF 12
+
+#endif /* __SPD_DDR2_H__ */