diff --git a/src/include/device/dram/ddr3.h b/src/include/device/dram/ddr3.h
index de75aee..0520ead 100644
--- a/src/include/device/dram/ddr3.h
+++ b/src/include/device/dram/ddr3.h
@@ -161,6 +161,10 @@
 	u32 tFAW;
 
 	u8 reference_card;
+	/* XMP: Module voltage in mV */
+	u16 voltage;
+	/* XMP: max DIMMs per channel supported (1-4) */
+	u8 dimms_per_channel;
 } dimm_attr;
 
 /** Result of the SPD decoding process */
@@ -171,12 +175,20 @@
 	SPD_STATUS_INVALID_FIELD,
 };
 
+enum ddr3_xmp_profile {
+	DDR3_XMP_PROFILE_1 = 0,
+	DDR3_XMP_PROFILE_2 = 1,
+};
+
 typedef u8 spd_raw_data[256];
 
 u16 spd_ddr3_calc_crc(u8 *spd, int len);
 int spd_decode_ddr3(dimm_attr * dimm, spd_raw_data spd_data);
 int dimm_is_registered(enum spd_dimm_type type);
 void dram_print_spd_ddr3(const dimm_attr * dimm);
+int spd_xmp_decode_ddr3(dimm_attr * dimm,
+		        spd_raw_data spd,
+		        enum ddr3_xmp_profile profile);
 
 /**
  * \brief Read double word from specified address