diff --git a/plat/nxp/common/sip_svc/sip_svc.c b/plat/nxp/common/sip_svc/sip_svc.c
new file mode 100644
index 0000000..1c8668e
--- /dev/null
+++ b/plat/nxp/common/sip_svc/sip_svc.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <caam.h>
+#include <common/runtime_svc.h>
+#include <dcfg.h>
+#include <lib/mmio.h>
+#include <tools_share/uuid.h>
+
+#include <plat_common.h>
+#include <sipsvc.h>
+
+/* Layerscape SiP Service UUID */
+DEFINE_SVC_UUID2(nxp_sip_svc_uid,
+		 0x871de4ef, 0xedfc, 0x4209, 0xa4, 0x23,
+		 0x8d, 0x23, 0x75, 0x9d, 0x3b, 0x9f);
+
+#pragma weak nxp_plat_sip_handler
+static uintptr_t nxp_plat_sip_handler(unsigned int smc_fid,
+				      u_register_t x1,
+				      u_register_t x2,
+				      u_register_t x3,
+				      u_register_t x4,
+				      void *cookie,
+				      void *handle,
+				      u_register_t flags)
+{
+	ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
+	SMC_RET1(handle, SMC_UNK);
+}
+
+uint64_t el2_2_aarch32(u_register_t smc_id, u_register_t start_addr,
+		       u_register_t parm1, u_register_t parm2);
+
+uint64_t prefetch_disable(u_register_t smc_id, u_register_t mask);
+uint64_t bl31_get_porsr1(void);
+
+static void clean_top_32b_of_param(uint32_t smc_fid,
+				   u_register_t *px1,
+				   u_register_t *px2,
+				   u_register_t *px3,
+				   u_register_t *px4)
+{
+	/* if parameters from SMC32. Clean top 32 bits */
+	if (GET_SMC_CC(smc_fid) == SMC_32) {
+		*px1 = *px1 & SMC32_PARAM_MASK;
+		*px2 = *px2 & SMC32_PARAM_MASK;
+		*px3 = *px3 & SMC32_PARAM_MASK;
+		*px4 = *px4 & SMC32_PARAM_MASK;
+	}
+}
+
+/* This function handles Layerscape defined SiP Calls */
+static uintptr_t nxp_sip_handler(unsigned int smc_fid,
+				 u_register_t x1,
+				 u_register_t x2,
+				 u_register_t x3,
+				 u_register_t x4,
+				 void *cookie,
+				 void *handle,
+				 u_register_t flags)
+{
+	uint32_t ns;
+	uint64_t ret;
+	dram_regions_info_t *info_dram_regions;
+
+	/* if parameter is sent from SMC32. Clean top 32 bits */
+	clean_top_32b_of_param(smc_fid, &x1, &x2, &x3, &x4);
+
+	/* Determine which security state this SMC originated from */
+	ns = is_caller_non_secure(flags);
+	if (ns == 0) {
+		/* SiP SMC service secure world's call */
+		;
+	} else {
+		/* SiP SMC service normal world's call */
+		;
+	}
+
+	switch (smc_fid & SMC_FUNC_MASK) {
+	case SIP_SVC_RNG:
+		if (is_sec_enabled() == false) {
+			NOTICE("SEC is disabled.\n");
+			SMC_RET1(handle, SMC_UNK);
+		}
+
+		/* Return zero on failure */
+		ret = get_random((int)x1);
+		if (ret != 0) {
+			SMC_RET2(handle, SMC_OK, ret);
+		} else {
+			SMC_RET1(handle, SMC_UNK);
+		}
+		/* break is not required as SMC_RETx return */
+	case SIP_SVC_HUK:
+		if (is_sec_enabled() == false) {
+			NOTICE("SEC is disabled.\n");
+			SMC_RET1(handle, SMC_UNK);
+		}
+		ret = get_hw_unq_key_blob_hw((uint8_t *) x1, (uint32_t) x2);
+
+		if (ret == SMC_OK) {
+			SMC_RET1(handle, SMC_OK);
+		} else {
+			SMC_RET1(handle, SMC_UNK);
+		}
+		/* break is not required as SMC_RETx return */
+	case SIP_SVC_MEM_BANK:
+		VERBOSE("Handling SMC SIP_SVC_MEM_BANK.\n");
+		info_dram_regions = get_dram_regions_info();
+
+		if (x1 == -1) {
+			SMC_RET2(handle, SMC_OK,
+					info_dram_regions->total_dram_size);
+		} else if (x1 >= info_dram_regions->num_dram_regions) {
+			SMC_RET1(handle, SMC_UNK);
+		} else {
+			SMC_RET3(handle, SMC_OK,
+				info_dram_regions->region[x1].addr,
+				info_dram_regions->region[x1].size);
+		}
+		/* break is not required as SMC_RETx return */
+	case SIP_SVC_PREFETCH_DIS:
+		VERBOSE("In SIP_SVC_PREFETCH_DIS call\n");
+		ret = prefetch_disable(smc_fid, x1);
+		if (ret == SMC_OK) {
+			SMC_RET1(handle, SMC_OK);
+		} else {
+			SMC_RET1(handle, SMC_UNK);
+		}
+		/* break is not required as SMC_RETx return */
+	case SIP_SVC_2_AARCH32:
+		ret = el2_2_aarch32(smc_fid, x1, x2, x3);
+
+		/* In success case, control should not reach here. */
+		NOTICE("SMC: SIP_SVC_2_AARCH32 Failed.\n");
+		SMC_RET1(handle, SMC_UNK);
+		/* break is not required as SMC_RETx return */
+	case SIP_SVC_PORSR1:
+		ret = bl31_get_porsr1();
+		SMC_RET2(handle, SMC_OK, ret);
+		/* break is not required as SMC_RETx return */
+	default:
+		return nxp_plat_sip_handler(smc_fid, x1, x2, x3, x4,
+				cookie, handle, flags);
+	}
+}
+
+/* This function is responsible for handling all SiP calls */
+static uintptr_t sip_smc_handler(unsigned int smc_fid,
+				 u_register_t x1,
+				 u_register_t x2,
+				 u_register_t x3,
+				 u_register_t x4,
+				 void *cookie,
+				 void *handle,
+				 u_register_t flags)
+{
+	switch (smc_fid & SMC_FUNC_MASK) {
+	case SIP_SVC_CALL_COUNT:
+		/* Return the number of Layerscape SiP Service Calls. */
+		SMC_RET1(handle, LS_COMMON_SIP_NUM_CALLS);
+		break;
+	case SIP_SVC_UID:
+		/* Return UID to the caller */
+		SMC_UUID_RET(handle, nxp_sip_svc_uid);
+		break;
+	case SIP_SVC_VERSION:
+		/* Return the version of current implementation */
+		SMC_RET2(handle, LS_SIP_SVC_VERSION_MAJOR,
+			 LS_SIP_SVC_VERSION_MINOR);
+		break;
+	default:
+		return nxp_sip_handler(smc_fid, x1, x2, x3, x4,
+				       cookie, handle, flags);
+	}
+}
+
+/* Define a runtime service descriptor for fast SMC calls */
+DECLARE_RT_SVC(
+	nxp_sip_svc,
+	OEN_SIP_START,
+	OEN_SIP_END,
+	SMC_TYPE_FAST,
+	NULL,
+	sip_smc_handler
+);