diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index f5cab14..3fd71c1 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -9,76 +9,77 @@
 
 /* FCS Definitions */
 
-#define FCS_RANDOM_WORD_SIZE			8U
-#define FCS_PROV_DATA_WORD_SIZE			44U
-#define FCS_SHA384_WORD_SIZE			12U
+#define FCS_RANDOM_WORD_SIZE					8U
+#define FCS_PROV_DATA_WORD_SIZE					44U
+#define FCS_SHA384_WORD_SIZE					12U
 
-#define FCS_RANDOM_BYTE_SIZE			(FCS_RANDOM_WORD_SIZE * 4U)
-#define FCS_RANDOM_EXT_MAX_WORD_SIZE		1020U
-#define FCS_PROV_DATA_BYTE_SIZE			(FCS_PROV_DATA_WORD_SIZE * 4U)
-#define FCS_SHA384_BYTE_SIZE			(FCS_SHA384_WORD_SIZE * 4U)
+#define FCS_RANDOM_BYTE_SIZE					(FCS_RANDOM_WORD_SIZE * 4U)
+#define FCS_RANDOM_EXT_MAX_WORD_SIZE				1020U
+#define FCS_PROV_DATA_BYTE_SIZE					(FCS_PROV_DATA_WORD_SIZE * 4U)
+#define FCS_SHA384_BYTE_SIZE					(FCS_SHA384_WORD_SIZE * 4U)
 
-#define FCS_RANDOM_EXT_OFFSET			3
+#define FCS_RANDOM_EXT_OFFSET					3
 
-#define FCS_MODE_DECRYPT			0x0
-#define FCS_MODE_ENCRYPT			0x1
-#define FCS_ENCRYPTION_DATA_0			0x10100
-#define FCS_DECRYPTION_DATA_0			0x10102
-#define FCS_OWNER_ID_OFFSET			0xC
-#define FCS_CRYPTION_CRYPTO_HEADER		0x07000000
-#define FCS_CRYPTION_RESP_WORD_SIZE		4U
-#define FCS_CRYPTION_RESP_SIZE_OFFSET		3U
+#define FCS_MODE_DECRYPT					0x0
+#define FCS_MODE_ENCRYPT					0x1
+#define FCS_ENCRYPTION_DATA_0					0x10100
+#define FCS_DECRYPTION_DATA_0					0x10102
+#define FCS_OWNER_ID_OFFSET					0xC
+#define FCS_CRYPTION_CRYPTO_HEADER				0x07000000
+#define FCS_CRYPTION_RESP_WORD_SIZE				4U
+#define FCS_CRYPTION_RESP_SIZE_OFFSET				3U
 
-#define PSGSIGMA_TEARDOWN_MAGIC			0xB852E2A4
-#define	PSGSIGMA_SESSION_ID_ONE			0x1
-#define PSGSIGMA_UNKNOWN_SESSION		0xFFFFFFFF
+#define PSGSIGMA_TEARDOWN_MAGIC					0xB852E2A4
+#define	PSGSIGMA_SESSION_ID_ONE					0x1
+#define PSGSIGMA_UNKNOWN_SESSION				0xFFFFFFFF
 
-#define	RESERVED_AS_ZERO			0x0
+#define	RESERVED_AS_ZERO					0x0
 /* FCS Single cert */
 
-#define FCS_BIG_CNTR_SEL			0x1
+#define FCS_BIG_CNTR_SEL					0x1
 
-#define FCS_SVN_CNTR_0_SEL			0x2
-#define FCS_SVN_CNTR_1_SEL			0x3
-#define FCS_SVN_CNTR_2_SEL			0x4
-#define FCS_SVN_CNTR_3_SEL			0x5
+#define FCS_SVN_CNTR_0_SEL					0x2
+#define FCS_SVN_CNTR_1_SEL					0x3
+#define FCS_SVN_CNTR_2_SEL					0x4
+#define FCS_SVN_CNTR_3_SEL					0x5
 
-#define FCS_BIG_CNTR_VAL_MAX			495U
-#define FCS_SVN_CNTR_VAL_MAX			64U
+#define FCS_BIG_CNTR_VAL_MAX					495U
+#define FCS_SVN_CNTR_VAL_MAX					64U
 
 /* FCS Attestation Cert Request Parameter */
 
-#define FCS_ALIAS_CERT				0x01
-#define FCS_DEV_ID_SELF_SIGN_CERT		0x02
-#define FCS_DEV_ID_ENROLL_CERT			0x04
-#define FCS_ENROLL_SELF_SIGN_CERT		0x08
-#define FCS_PLAT_KEY_CERT			0x10
+#define FCS_ALIAS_CERT						0x01
+#define FCS_DEV_ID_SELF_SIGN_CERT				0x02
+#define FCS_DEV_ID_ENROLL_CERT					0x04
+#define FCS_ENROLL_SELF_SIGN_CERT				0x08
+#define FCS_PLAT_KEY_CERT					0x10
 
 /* FCS Crypto Service */
 
-#define FCS_CS_KEY_OBJ_MAX_WORD_SIZE		88U
-#define FCS_CS_KEY_INFO_MAX_WORD_SIZE		36U
-#define FCS_CS_KEY_RESP_STATUS_MASK		0xFF
-#define FCS_CS_KEY_RESP_STATUS_OFFSET		16U
+#define FCS_CS_KEY_OBJ_MAX_WORD_SIZE				88U
+#define FCS_CS_KEY_INFO_MAX_WORD_SIZE				36U
+#define FCS_CS_KEY_RESP_STATUS_MASK				0xFF
+#define FCS_CS_KEY_RESP_STATUS_OFFSET				16U
 
-#define FCS_CS_FIELD_SIZE_MASK			0xFFFF
-#define FCS_CS_FIELD_FLAG_OFFSET		24
-#define FCS_CS_FIELD_FLAG_INIT			BIT(0)
-#define FCS_CS_FIELD_FLAG_UPDATE		BIT(1)
-#define FCS_CS_FIELD_FLAG_FINALIZE		BIT(2)
+#define FCS_CS_FIELD_SIZE_MASK					0xFFFF
+#define FCS_CS_FIELD_FLAG_OFFSET				24
+#define FCS_CS_FIELD_FLAG_INIT					BIT(0)
+#define FCS_CS_FIELD_FLAG_UPDATE				BIT(1)
+#define FCS_CS_FIELD_FLAG_FINALIZE				BIT(2)
 
-#define FCS_AES_MAX_DATA_SIZE			0x10000000	/* 256 MB */
-#define FCS_AES_MIN_DATA_SIZE			0x20		/* 32 Byte */
-#define FCS_AES_CMD_MAX_WORD_SIZE		15U
+#define FCS_AES_MAX_DATA_SIZE					0x10000000	/* 256 MB */
+#define FCS_AES_MIN_DATA_SIZE					0x20		/* 32 Byte */
+#define FCS_AES_CMD_MAX_WORD_SIZE				15U
 
-#define FCS_GET_DIGEST_CMD_MAX_WORD_SIZE	7U
-#define FCS_GET_DIGEST_RESP_MAX_WORD_SIZE	19U
-#define FCS_MAC_VERIFY_CMD_MAX_WORD_SIZE	23U
-#define FCS_MAC_VERIFY_RESP_MAX_WORD_SIZE	4U
-#define FCS_SHA_HMAC_CRYPTO_PARAM_SIZE_OFFSET	8U
+#define FCS_GET_DIGEST_CMD_MAX_WORD_SIZE			7U
+#define FCS_GET_DIGEST_RESP_MAX_WORD_SIZE			19U
+#define FCS_MAC_VERIFY_CMD_MAX_WORD_SIZE			23U
+#define FCS_MAC_VERIFY_RESP_MAX_WORD_SIZE			4U
+#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
+#define FCS_ECDSA_GET_PUBKEY_MAX_WORD_SIZE			5U
+#define FCS_ECDSA_SHA2_DATA_SIGN_CMD_MAX_WORD_SIZE		7U
+#define FCS_ECDSA_SHA2_DATA_SIG_VERIFY_CMD_MAX_WORD_SIZE	43U
 /* FCS Payload Structure */
 typedef struct fcs_rng_payload_t {
 	uint32_t session_id;
@@ -246,6 +247,16 @@
 				uint32_t src_size, uint64_t dst_addr,
 				uint32_t *dst_size, uint32_t *mbox_error);
 
+int intel_fcs_ecdsa_sha2_data_sig_verify_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_sig_verify_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 data_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 e5e1d14..042532c 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -79,6 +79,7 @@
 #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_SHA2_DATA_SIGN_VERIFY		0x87
 #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 14be92b..445fd64 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -9,30 +9,30 @@
 
 
 /* SiP status response */
-#define INTEL_SIP_SMC_STATUS_OK				0
-#define INTEL_SIP_SMC_STATUS_BUSY			0x1
-#define INTEL_SIP_SMC_STATUS_REJECTED			0x2
-#define INTEL_SIP_SMC_STATUS_NO_RESPONSE		0x3
-#define INTEL_SIP_SMC_STATUS_ERROR			0x4
-#define INTEL_SIP_SMC_RSU_ERROR				0x7
+#define INTEL_SIP_SMC_STATUS_OK					0
+#define INTEL_SIP_SMC_STATUS_BUSY				0x1
+#define INTEL_SIP_SMC_STATUS_REJECTED				0x2
+#define INTEL_SIP_SMC_STATUS_NO_RESPONSE			0x3
+#define INTEL_SIP_SMC_STATUS_ERROR				0x4
+#define INTEL_SIP_SMC_RSU_ERROR					0x7
 
 /* SiP mailbox error code */
-#define GENERIC_RESPONSE_ERROR				0x3FF
+#define GENERIC_RESPONSE_ERROR					0x3FF
 
 /* SMC SiP service function identifier */
 
 /* FPGA Reconfig */
-#define INTEL_SIP_SMC_FPGA_CONFIG_START			0xC2000001
-#define INTEL_SIP_SMC_FPGA_CONFIG_WRITE			0x42000002
-#define INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE	0xC2000003
-#define INTEL_SIP_SMC_FPGA_CONFIG_ISDONE		0xC2000004
-#define INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM		0xC2000005
+#define INTEL_SIP_SMC_FPGA_CONFIG_START				0xC2000001
+#define INTEL_SIP_SMC_FPGA_CONFIG_WRITE				0x42000002
+#define INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE		0xC2000003
+#define INTEL_SIP_SMC_FPGA_CONFIG_ISDONE			0xC2000004
+#define INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM			0xC2000005
 
 /* FPGA Bitstream Flag */
-#define FLAG_PARTIAL_CONFIG				BIT(0)
-#define FLAG_AUTHENTICATION				BIT(1)
-#define CONFIG_TEST_FLAG(_flag, _type)			(((flag) & FLAG_##_type) \
-							== FLAG_##_type)
+#define FLAG_PARTIAL_CONFIG					BIT(0)
+#define FLAG_AUTHENTICATION					BIT(1)
+#define CONFIG_TEST_FLAG(_flag, _type)				(((flag) & FLAG_##_type) \
+								== FLAG_##_type)
 
 /* Secure Register Access */
 #define INTEL_SIP_SMC_REG_READ				0xC2000007
@@ -40,92 +40,92 @@
 #define INTEL_SIP_SMC_REG_UPDATE			0xC2000009
 
 /* Remote System Update */
-#define INTEL_SIP_SMC_RSU_STATUS			0xC200000B
-#define INTEL_SIP_SMC_RSU_UPDATE			0xC200000C
-#define INTEL_SIP_SMC_RSU_NOTIFY			0xC200000E
-#define INTEL_SIP_SMC_RSU_RETRY_COUNTER			0xC200000F
-#define INTEL_SIP_SMC_RSU_DCMF_VERSION			0xC2000010
-#define INTEL_SIP_SMC_RSU_COPY_DCMF_VERSION		0xC2000011
-#define INTEL_SIP_SMC_RSU_MAX_RETRY			0xC2000012
-#define INTEL_SIP_SMC_RSU_COPY_MAX_RETRY		0xC2000013
-#define INTEL_SIP_SMC_RSU_DCMF_STATUS			0xC2000014
-#define INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS		0xC2000015
+#define INTEL_SIP_SMC_RSU_STATUS				0xC200000B
+#define INTEL_SIP_SMC_RSU_UPDATE				0xC200000C
+#define INTEL_SIP_SMC_RSU_NOTIFY				0xC200000E
+#define INTEL_SIP_SMC_RSU_RETRY_COUNTER				0xC200000F
+#define INTEL_SIP_SMC_RSU_DCMF_VERSION				0xC2000010
+#define INTEL_SIP_SMC_RSU_COPY_DCMF_VERSION			0xC2000011
+#define INTEL_SIP_SMC_RSU_MAX_RETRY				0xC2000012
+#define INTEL_SIP_SMC_RSU_COPY_MAX_RETRY			0xC2000013
+#define INTEL_SIP_SMC_RSU_DCMF_STATUS				0xC2000014
+#define INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS			0xC2000015
 
 /* Hardware monitor */
-#define INTEL_SIP_SMC_HWMON_READTEMP			0xC2000020
-#define INTEL_SIP_SMC_HWMON_READVOLT			0xC2000021
-#define TEMP_CHANNEL_MAX				(1 << 15)
-#define VOLT_CHANNEL_MAX				(1 << 15)
+#define INTEL_SIP_SMC_HWMON_READTEMP				0xC2000020
+#define INTEL_SIP_SMC_HWMON_READVOLT				0xC2000021
+#define TEMP_CHANNEL_MAX					(1 << 15)
+#define VOLT_CHANNEL_MAX					(1 << 15)
 
 /* ECC */
-#define INTEL_SIP_SMC_ECC_DBE				0xC200000D
+#define INTEL_SIP_SMC_ECC_DBE					0xC200000D
 
 /* Generic Command */
-#define INTEL_SIP_SMC_HPS_SET_BRIDGES			0xC2000032
-#define INTEL_SIP_SMC_GET_ROM_PATCH_SHA384		0xC2000040
+#define INTEL_SIP_SMC_MBOX_SEND_CMD				0xC200001E
+#define INTEL_SIP_SMC_FIRMWARE_VERSION				0xC200001F
+#define INTEL_SIP_SMC_HPS_SET_BRIDGES				0xC2000032
+#define INTEL_SIP_SMC_GET_ROM_PATCH_SHA384			0xC2000040
 
-/* Send Mailbox Command */
-#define INTEL_SIP_SMC_MBOX_SEND_CMD			0xC200001E
-#define INTEL_SIP_SMC_FIRMWARE_VERSION			0xC200001F
-#define INTEL_SIP_SMC_HPS_SET_BRIDGES			0xC2000032
-
-#define SERVICE_COMPLETED_MODE_ASYNC			0x00004F4E
+#define SERVICE_COMPLETED_MODE_ASYNC				0x00004F4E
 
 /* Mailbox Command */
-#define INTEL_SIP_SMC_GET_USERCODE			0xC200003D
+#define INTEL_SIP_SMC_GET_USERCODE				0xC200003D
 
 /* FPGA Crypto Services */
-#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER			0xC200005A
-#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT		0x4200008F
-#define INTEL_SIP_SMC_FCS_CRYPTION			0x4200005B
-#define INTEL_SIP_SMC_FCS_CRYPTION_EXT			0xC2000090
-#define INTEL_SIP_SMC_FCS_SEND_CERTIFICATE		0x4200005D
-#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA		0x4200005E
-#define INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH		0xC200005F
-#define INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN		0xC2000064
-#define INTEL_SIP_SMC_FCS_CHIP_ID			0xC2000065
-#define INTEL_SIP_SMC_FCS_ATTESTATION_SUBKEY		0xC2000066
-#define INTEL_SIP_SMC_FCS_ATTESTATION_MEASUREMENTS	0xC2000067
-#define INTEL_SIP_SMC_FCS_GET_ATTESTATION_CERT		0xC2000068
-#define INTEL_SIP_SMC_FCS_CREATE_CERT_ON_RELOAD		0xC2000069
-#define INTEL_SIP_SMC_FCS_OPEN_CS_SESSION		0xC200006E
-#define INTEL_SIP_SMC_FCS_CLOSE_CS_SESSION		0xC200006F
-#define INTEL_SIP_SMC_FCS_IMPORT_CS_KEY			0x42000070
-#define INTEL_SIP_SMC_FCS_EXPORT_CS_KEY			0xC2000071
-#define INTEL_SIP_SMC_FCS_REMOVE_CS_KEY			0xC2000072
-#define INTEL_SIP_SMC_FCS_GET_CS_KEY_INFO		0xC2000073
-#define INTEL_SIP_SMC_FCS_AES_CRYPT_INIT		0xC2000074
-#define INTEL_SIP_SMC_FCS_AES_CRYPT_FINALIZE		0x42000076
-#define INTEL_SIP_SMC_FCS_GET_DIGEST_INIT		0xC2000077
-#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
+#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER				0xC200005A
+#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT			0x4200008F
+#define INTEL_SIP_SMC_FCS_CRYPTION				0x4200005B
+#define INTEL_SIP_SMC_FCS_CRYPTION_EXT				0xC2000090
+#define INTEL_SIP_SMC_FCS_SEND_CERTIFICATE			0x4200005D
+#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA			0x4200005E
+#define INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH			0xC200005F
+#define INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN			0xC2000064
+#define INTEL_SIP_SMC_FCS_CHIP_ID				0xC2000065
+#define INTEL_SIP_SMC_FCS_ATTESTATION_SUBKEY			0xC2000066
+#define INTEL_SIP_SMC_FCS_ATTESTATION_MEASUREMENTS		0xC2000067
+#define INTEL_SIP_SMC_FCS_GET_ATTESTATION_CERT			0xC2000068
+#define INTEL_SIP_SMC_FCS_CREATE_CERT_ON_RELOAD			0xC2000069
+#define INTEL_SIP_SMC_FCS_OPEN_CS_SESSION			0xC200006E
+#define INTEL_SIP_SMC_FCS_CLOSE_CS_SESSION			0xC200006F
+#define INTEL_SIP_SMC_FCS_IMPORT_CS_KEY				0x42000070
+#define INTEL_SIP_SMC_FCS_EXPORT_CS_KEY				0xC2000071
+#define INTEL_SIP_SMC_FCS_REMOVE_CS_KEY				0xC2000072
+#define INTEL_SIP_SMC_FCS_GET_CS_KEY_INFO			0xC2000073
+#define INTEL_SIP_SMC_FCS_AES_CRYPT_INIT			0xC2000074
+#define INTEL_SIP_SMC_FCS_AES_CRYPT_FINALIZE			0x42000076
+#define INTEL_SIP_SMC_FCS_GET_DIGEST_INIT			0xC2000077
+#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_SHA2_DATA_SIG_VERIFY_INIT	0xC2000086
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE	0xC2000088
+#define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT			0xC2000089
+#define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE		0xC200008B
 
-#define INTEL_SIP_SMC_FCS_SHA_MODE_MASK			0xF
-#define INTEL_SIP_SMC_FCS_DIGEST_SIZE_MASK		0xF
-#define INTEL_SIP_SMC_FCS_DIGEST_SIZE_OFFSET		4U
-#define INTEL_SIP_SMC_FCS_ECC_ALGO_MASK			0xF
+#define INTEL_SIP_SMC_FCS_SHA_MODE_MASK				0xF
+#define INTEL_SIP_SMC_FCS_DIGEST_SIZE_MASK			0xF
+#define INTEL_SIP_SMC_FCS_DIGEST_SIZE_OFFSET			4U
+#define INTEL_SIP_SMC_FCS_ECC_ALGO_MASK				0xF
+
 /* ECC DBE */
-#define WARM_RESET_WFI_FLAG				BIT(31)
-#define SYSMGR_ECC_DBE_COLD_RST_MASK			(SYSMGR_ECC_OCRAM_MASK |\
+#define WARM_RESET_WFI_FLAG					BIT(31)
+#define SYSMGR_ECC_DBE_COLD_RST_MASK				(SYSMGR_ECC_OCRAM_MASK |\
 								SYSMGR_ECC_DDR0_MASK |\
 								SYSMGR_ECC_DDR1_MASK)
 
 /* Non-mailbox SMC Call */
-#define INTEL_SIP_SMC_SVC_VERSION			0xC2000200
+#define INTEL_SIP_SMC_SVC_VERSION				0xC2000200
 
 /* SMC function IDs for SiP Service queries */
-#define SIP_SVC_CALL_COUNT				0x8200ff00
-#define SIP_SVC_UID					0x8200ff01
-#define SIP_SVC_VERSION					0x8200ff03
+#define SIP_SVC_CALL_COUNT					0x8200ff00
+#define SIP_SVC_UID						0x8200ff01
+#define SIP_SVC_VERSION						0x8200ff03
 
 /* SiP Service Calls version numbers */
-#define SIP_SVC_VERSION_MAJOR				1
-#define SIP_SVC_VERSION_MINOR				0
+#define SIP_SVC_VERSION_MAJOR					1
+#define SIP_SVC_VERSION_MINOR					0
 
 
 /* Structure Definitions */
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index 953ba55..d6c0166 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -15,8 +15,9 @@
 static fcs_crypto_service_aes_data fcs_aes_init_payload;
 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;
+static fcs_crypto_service_data fcs_sha2_data_sig_verify_param;
+static fcs_crypto_service_data fcs_ecdsa_get_pubkey_param;
 
 bool is_size_4_bytes_aligned(uint32_t size)
 {
@@ -1101,6 +1102,102 @@
 	return INTEL_SIP_SMC_STATUS_OK;
 }
 
+int intel_fcs_ecdsa_sha2_data_sig_verify_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_sig_verify_param,
+				mbox_error);
+}
+
+int intel_fcs_ecdsa_sha2_data_sig_verify_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 data_size,
+				uint32_t *mbox_error)
+{
+	int status;
+	uint32_t i;
+	uint32_t payload[FCS_ECDSA_SHA2_DATA_SIG_VERIFY_CMD_MAX_WORD_SIZE] = {0U};
+	uint32_t resp_len = *dst_size / MBOX_WORD_BYTE;
+	uintptr_t sig_pubkey_offset;
+
+	if ((dst_size == NULL) || (mbox_error == NULL)) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	if (fcs_sha2_data_sig_verify_param.session_id != session_id ||
+		fcs_sha2_data_sig_verify_param.context_id != context_id) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	if (!is_size_4_bytes_aligned(src_size)) {
+		return INTEL_SIP_SMC_STATUS_REJECTED;
+	}
+
+	if (!is_8_bytes_aligned(data_size) ||
+		!is_8_bytes_aligned(src_addr)) {
+		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_sig_verify_param.session_id;
+	i++;
+	payload[i] = fcs_sha2_data_sig_verify_param.context_id;
+	i++;
+
+	payload[i] = fcs_sha2_data_sig_verify_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_sig_verify_param.key_id;
+	i++;
+	/* Crypto parameters */
+	payload[i] = fcs_sha2_data_sig_verify_param.crypto_param
+			& INTEL_SIP_SMC_FCS_ECC_ALGO_MASK;
+	i++;
+	/* Data source address and size */
+	payload[i] = src_addr;
+	i++;
+	payload[i] = data_size;
+	i++;
+	/* Signature + Public Key Data */
+	sig_pubkey_offset = src_addr + data_size;
+	memcpy((uint8_t *) &payload[i], (uint8_t *) sig_pubkey_offset,
+		src_size - data_size);
+
+	i += (src_size - data_size) / MBOX_WORD_BYTE;
+
+	status = mailbox_send_cmd(MBOX_JOB_ID,
+			MBOX_FCS_ECDSA_SHA2_DATA_SIGN_VERIFY, payload, i,
+			CMD_CASUAL, (uint32_t *) dst_addr, &resp_len);
+
+	memset((void *) &fcs_sha2_data_sig_verify_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 d6239c9..df500ff 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -924,6 +924,19 @@
 					 x4, x5, (uint32_t *) &x6, &mbox_error);
 		SMC_RET4(handle, status, mbox_error, x5, x6);
 
+	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
+		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x1, x2, x3,
+					x4, x5, &mbox_error);
+		SMC_RET2(handle, status, mbox_error);
+
+	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
+		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
+		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
+		status = intel_fcs_ecdsa_sha2_data_sig_verify_finalize(x1, x2, x3,
+					 x4, x5, (uint32_t *) &x6, x7, &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);