diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index f58f9fa..f5cab14 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -78,6 +78,7 @@
 #define FCS_SHA_HMAC_CRYPTO_PARAM_SIZE_OFFSET	8U
 
 #define FCS_ECDSA_GET_PUBKEY_MAX_WORD_SIZE	5U
+#define FCS_ECDSA_SHA2_DATA_SIGN_CMD_MAX_WORD_SIZE	7U
 /* FCS Payload Structure */
 typedef struct fcs_rng_payload_t {
 	uint32_t session_id;
@@ -236,6 +237,15 @@
 				uint64_t dst_addr, uint32_t *dst_size,
 				uint32_t data_size, uint32_t *mbox_error);
 
+int intel_fcs_ecdsa_sha2_data_sign_init(uint32_t session_id,
+				uint32_t context_id, uint32_t key_id,
+				uint32_t param_size, uint64_t param_data,
+				uint32_t *mbox_error);
+int intel_fcs_ecdsa_sha2_data_sign_finalize(uint32_t session_id,
+				uint32_t context_id, uint32_t src_addr,
+				uint32_t src_size, uint64_t dst_addr,
+				uint32_t *dst_size, uint32_t *mbox_error);
+
 int intel_fcs_ecdsa_get_pubkey_init(uint32_t session_id, uint32_t context_id,
 				uint32_t key_id, uint32_t param_size,
 				uint64_t param_data, uint32_t *mbox_error);
diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index 1d749a0..e5e1d14 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -78,6 +78,7 @@
 #define MBOX_FCS_AES_CRYPT_REQ				0x81
 #define MBOX_FCS_GET_DIGEST_REQ				0x82
 #define MBOX_FCS_MAC_VERIFY_REQ				0x83
+#define MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ		0x85
 #define MBOX_FCS_ECDSA_GET_PUBKEY			0x88
 #define MBOX_FCS_OPEN_CS_SESSION			0xA0
 #define MBOX_FCS_CLOSE_CS_SESSION			0xA1
diff --git a/plat/intel/soc/common/include/socfpga_sip_svc.h b/plat/intel/soc/common/include/socfpga_sip_svc.h
index ff13af9..14be92b 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -100,6 +100,8 @@
 #define INTEL_SIP_SMC_FCS_GET_DIGEST_FINALIZE		0xC2000079
 #define INTEL_SIP_SMC_FCS_MAC_VERIFY_INIT		0xC200007A
 #define INTEL_SIP_SMC_FCS_MAC_VERIFY_FINALIZE		0xC200007C
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT	0xC2000080
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE	0xC2000082
 #define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT		0xC2000089
 #define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE	0xC200008B
 
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index f5bcf74..953ba55 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -16,6 +16,7 @@
 static fcs_crypto_service_data fcs_sha_get_digest_param;
 static fcs_crypto_service_data fcs_sha_mac_verify_param;
 static fcs_crypto_service_data fcs_ecdsa_get_pubkey_param;
+static fcs_crypto_service_data fcs_sha2_data_sign_param;
 
 bool is_size_4_bytes_aligned(uint32_t size)
 {
@@ -1017,6 +1018,89 @@
 	return INTEL_SIP_SMC_STATUS_OK;
 }
 
+int intel_fcs_ecdsa_sha2_data_sign_init(uint32_t session_id,
+				uint32_t context_id, uint32_t key_id,
+				uint32_t param_size, uint64_t param_data,
+				uint32_t *mbox_error)
+{
+	return intel_fcs_crypto_service_init(session_id, context_id,
+				key_id, param_size, param_data,
+				(void *) &fcs_sha2_data_sign_param,
+				mbox_error);
+}
+
+int intel_fcs_ecdsa_sha2_data_sign_finalize(uint32_t session_id,
+				uint32_t context_id, uint32_t src_addr,
+				uint32_t src_size, uint64_t dst_addr,
+				uint32_t *dst_size, uint32_t *mbox_error)
+{
+	int status;
+	int i;
+	uint32_t payload[FCS_ECDSA_SHA2_DATA_SIGN_CMD_MAX_WORD_SIZE] = {0U};
+	uint32_t resp_len = *dst_size / MBOX_WORD_BYTE;
+
+	if ((dst_size == NULL) || (mbox_error == NULL)) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	if (fcs_sha2_data_sign_param.session_id != session_id ||
+		fcs_sha2_data_sign_param.context_id != context_id) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	/* Source data must be 8 bytes aligned */
+	if (!is_8_bytes_aligned(src_size)) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	if (!is_address_in_ddr_range(src_addr, src_size) ||
+		!is_address_in_ddr_range(dst_addr, *dst_size)) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	/* Prepare command payload */
+	/* Crypto header */
+	i = 0;
+	payload[i] = fcs_sha2_data_sign_param.session_id;
+	i++;
+	payload[i] = fcs_sha2_data_sign_param.context_id;
+	i++;
+	payload[i] = fcs_sha2_data_sign_param.crypto_param_size
+			& FCS_CS_FIELD_SIZE_MASK;
+	payload[i] |= (FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_UPDATE
+			| FCS_CS_FIELD_FLAG_FINALIZE)
+			<< FCS_CS_FIELD_FLAG_OFFSET;
+	i++;
+	payload[i] = fcs_sha2_data_sign_param.key_id;
+	/* Crypto parameters */
+	i++;
+	payload[i] = fcs_sha2_data_sign_param.crypto_param
+			& INTEL_SIP_SMC_FCS_ECC_ALGO_MASK;
+	/* Data source address and size */
+	i++;
+	payload[i] = src_addr;
+	i++;
+	payload[i] = src_size;
+	i++;
+	status = mailbox_send_cmd(MBOX_JOB_ID,
+			MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ, payload,
+			i, CMD_CASUAL, (uint32_t *) dst_addr,
+			&resp_len);
+
+	memset((void *)&fcs_sha2_data_sign_param, 0,
+			sizeof(fcs_crypto_service_data));
+
+	if (status < 0) {
+		*mbox_error = -status;
+		return INTEL_SIP_SMC_STATUS_ERROR;
+	}
+
+	*dst_size = resp_len * MBOX_WORD_BYTE;
+	flush_dcache_range(dst_addr, *dst_size);
+
+	return INTEL_SIP_SMC_STATUS_OK;
+}
+
 int intel_fcs_ecdsa_get_pubkey_init(uint32_t session_id, uint32_t context_id,
 				uint32_t key_id, uint32_t param_size,
 				uint64_t param_data, uint32_t *mbox_error)
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index d6196a4..d6239c9 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -911,6 +911,20 @@
 					 x4, x5, (uint32_t *) &x6, x7, &mbox_error);
 		SMC_RET4(handle, status, mbox_error, x5, x6);
 
+	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
+		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+		status = intel_fcs_ecdsa_sha2_data_sign_init(x1, x2, x3,
+					x4, x5, &mbox_error);
+		SMC_RET2(handle, status, mbox_error);
+
+	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
+		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
+		status = intel_fcs_ecdsa_sha2_data_sign_finalize(x1, x2, x3,
+					 x4, x5, (uint32_t *) &x6, &mbox_error);
+		SMC_RET4(handle, status, mbox_error, x5, x6);
+
+
 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT:
 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
 		status = intel_fcs_ecdsa_get_pubkey_init(x1, x2, x3,