diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index 64024b8..fcf5fc2 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -108,6 +108,7 @@
 #define MBOX_NO_RESPONSE		-2
 #define MBOX_WRONG_ID			-3
 #define MBOX_BUFFER_FULL		-4
+#define MBOX_BUSY			-5
 #define MBOX_TIMEOUT			-2047
 
 /* Reconfig Status Response */
@@ -157,6 +158,10 @@
 #define MBOX_INDIRECT(val)		((val) << 11)
 #define MBOX_CMD_MASK(header)		((header) & 0x7ff)
 
+/* Mailbox payload */
+#define MBOX_DATA_MAX_LEN		0x3ff
+#define MBOX_PAYLOAD_FLAG_BUSY		BIT(0)
+
 /* RSU Macros */
 #define RSU_VERSION_ACMF		BIT(8)
 #define RSU_VERSION_ACMF_MASK		0xff00
@@ -166,6 +171,19 @@
 #define CONFIG_STATUS_FW_VER_OFFSET	1
 #define CONFIG_STATUS_FW_VER_MASK	0x00FFFFFF
 
+/* Data structure */
+
+typedef struct mailbox_payload {
+	uint32_t header;
+	uint32_t data[MBOX_DATA_MAX_LEN];
+} mailbox_payload_t;
+
+typedef struct mailbox_container {
+	uint32_t flag;
+	uint32_t index;
+	mailbox_payload_t *payload;
+} mailbox_container_t;
+
 /* Mailbox Function Definitions */
 
 void mailbox_set_int(uint32_t interrupt_input);
@@ -180,6 +198,9 @@
 			unsigned int len, unsigned int indirect);
 int mailbox_read_response(uint32_t *job_id, uint32_t *response,
 			unsigned int *resp_len);
+int mailbox_read_response_async(uint32_t *job_id, uint32_t *header,
+			uint32_t *response, unsigned int *resp_len,
+			uint8_t ignore_client_id);
 int iterate_resp(uint32_t mbox_resp_len, uint32_t *resp_buf,
 			unsigned int *resp_len);
 
diff --git a/plat/intel/soc/common/include/socfpga_sip_svc.h b/plat/intel/soc/common/include/socfpga_sip_svc.h
index 53aece3..e46bee7 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -12,6 +12,7 @@
 #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
 
@@ -68,16 +69,21 @@
 #define INTEL_SIP_SMC_FIRMWARE_VERSION			0xC200001F
 #define INTEL_SIP_SMC_HPS_SET_BRIDGES			0xC2000032
 
+#define SERVICE_COMPLETED_MODE_ASYNC			0x00004F4E
+
 /* Mailbox Command */
 #define INTEL_SIP_SMC_GET_USERCODE			0xC200003D
 
 /* FPGA Crypto Services */
+#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER			0xC200005A
 #define INTEL_SIP_SMC_FCS_CRYPTION			0x4200005B
-#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_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
 
 /* ECC DBE */
 #define WARM_RESET_WFI_FLAG				BIT(31)