diff --git a/src/soc/intel/tigerlake/include/soc/meminit_jsl.h b/src/soc/intel/tigerlake/include/soc/meminit_jsl.h
index b828ae1cdf..421e31d8e4 100644
--- a/src/soc/intel/tigerlake/include/soc/meminit_jsl.h
+++ b/src/soc/intel/tigerlake/include/soc/meminit_jsl.h
@@ -27,6 +27,9 @@
 /* Number of DQ byte mappings */
 #define DDR_NUM_BYTE_MAPPINGS 6
 
+/* Number of memory DIMM slots available on Jasper Lake */
+#define NUM_DIMM_SLOT 4
+
 /* 64-bit Channel identification */
 enum {
 	DDR_CH0,
@@ -40,17 +43,21 @@ struct spd_by_pointer {
 };
 
 enum mem_info_read_type {
-	READ_SPD_CBFS,	/* Find spd file in CBFS. */
-	READ_SPD_MEMPTR	/* Find spd data from pointer. */
+	READ_SPD_CBFS,	/* Find SPD file in CBFS. */
+	READ_SMBUS,	/* Read on-module SPD by SMBUS. */
+	READ_SPD_MEMPTR	/* Find SPD data from pointer. */
 };
 
 struct spd_info {
 	enum mem_info_read_type read_type;
 	union spd_data_by {
-		/* To identify spd file when read_type is READ_SPD_CBFS. */
+		/* To read on-module SPD when read_type is READ_SMBUS. */
+		uint8_t spd_smbus_address[NUM_DIMM_SLOT];
+
+		/* To identify SPD file when read_type is READ_SPD_CBFS. */
 		int spd_index;
 
-		/* To find spd data when read_type is READ_SPD_MEMPTR. */
+		/* To find SPD data when read_type is READ_SPD_MEMPTR. */
 		struct spd_by_pointer spd_data_ptr_info;
 	} spd_spec;
 };
diff --git a/src/soc/intel/tigerlake/meminit_jsl.c b/src/soc/intel/tigerlake/meminit_jsl.c
index 3247357f1a..c68d2100fc 100644
--- a/src/soc/intel/tigerlake/meminit_jsl.c
+++ b/src/soc/intel/tigerlake/meminit_jsl.c
@@ -102,15 +102,22 @@ static void meminit_channels(FSP_M_CONFIG *mem_cfg, const struct mb_cfg *board_c
 void memcfg_init(FSP_M_CONFIG *mem_cfg, const struct mb_cfg *board_cfg,
 			const struct spd_info *spd_info, bool half_populated)
 {
-	size_t spd_data_len;
-	uintptr_t spd_data_ptr;
 
-	memset(&mem_cfg->SpdAddressTable, 0, sizeof(mem_cfg->SpdAddressTable));
-	get_spd_data(spd_info, &spd_data_ptr, &spd_data_len);
-	print_spd_info((unsigned char *)spd_data_ptr);
+	if (spd_info->read_type == READ_SMBUS) {
+		for (int i = 0; i < NUM_DIMM_SLOT; i++)
+			mem_cfg->SpdAddressTable[i] = spd_info->spd_spec.spd_smbus_address[i];
 
-	mem_cfg->MemorySpdDataLen = spd_data_len;
-	meminit_channels(mem_cfg, board_cfg, spd_data_ptr, half_populated);
+		meminit_dq_dqs_map(mem_cfg, board_cfg, half_populated);
+	} else {
+		uintptr_t spd_data_ptr = 0;
+		size_t spd_data_len = 0;
+		memset(&mem_cfg->SpdAddressTable, 0, sizeof(mem_cfg->SpdAddressTable));
+		get_spd_data(spd_info, &spd_data_ptr, &spd_data_len);
+		print_spd_info((unsigned char *)spd_data_ptr);
+
+		mem_cfg->MemorySpdDataLen = spd_data_len;
+		meminit_channels(mem_cfg, board_cfg, spd_data_ptr, half_populated);
+	}
 
 	/* Early Command Training Enabled */
 	mem_cfg->ECT = board_cfg->ect;