diff --git a/services/std_svc/spm/el3_spmc/spmc.h b/services/std_svc/spm/el3_spmc/spmc.h
new file mode 100644
index 0000000..e891516
--- /dev/null
+++ b/services/std_svc/spm/el3_spmc/spmc.h
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPMC_H
+#define SPMC_H
+
+#include <stdint.h>
+
+#include <lib/psci/psci.h>
+#include <lib/spinlock.h>
+#include "spm_common.h"
+
+/*
+ * Ranges of FF-A IDs for Normal world and Secure world components. The
+ * convention matches that used by other SPMCs i.e. Hafnium and OP-TEE.
+ */
+#define FFA_NWD_ID_BASE		0x0
+#define FFA_NWD_ID_LIMIT	0x7FFF
+#define FFA_SWD_ID_BASE		0x8000
+#define FFA_SWD_ID_LIMIT	SPMD_DIRECT_MSG_ENDPOINT_ID - 1
+#define FFA_SWD_ID_MASK		0x8000
+
+/* First ID is reserved for the SPMC */
+#define FFA_SPMC_ID		U(FFA_SWD_ID_BASE)
+/* SP IDs are allocated after the SPMC ID */
+#define FFA_SP_ID_BASE		(FFA_SPMC_ID + 1)
+/* Align with Hafnium implementation */
+#define INV_SP_ID		0x7FFF
+
+/* FF-A warm boot types. */
+#define FFA_WB_TYPE_S2RAM	0
+#define FFA_WB_TYPE_NOTS2RAM	1
+
+/*
+ * Runtime states of an execution context as per the FF-A v1.1 specification.
+ */
+enum sp_runtime_states {
+	RT_STATE_WAITING,
+	RT_STATE_RUNNING,
+	RT_STATE_PREEMPTED,
+	RT_STATE_BLOCKED
+};
+
+/*
+ * Runtime model of an execution context as per the FF-A v1.1 specification. Its
+ * value is valid only if the execution context is not in the waiting state.
+ */
+enum sp_runtime_model {
+	RT_MODEL_DIR_REQ,
+	RT_MODEL_RUN,
+	RT_MODEL_INIT,
+	RT_MODEL_INTR
+};
+
+enum sp_runtime_el {
+	EL1 = 0,
+	S_EL0,
+	S_EL1
+};
+
+enum sp_execution_state {
+	SP_STATE_AARCH64 = 0,
+	SP_STATE_AARCH32
+};
+
+/*
+ * Execution context members for an SP. This is a bit like struct
+ * vcpu in a hypervisor.
+ */
+struct sp_exec_ctx {
+	/*
+	 * Store the stack address to restore C runtime context from after
+	 * returning from a synchronous entry into the SP.
+	 */
+	uint64_t c_rt_ctx;
+
+	/* Space to maintain the architectural state of an SP. */
+	cpu_context_t cpu_ctx;
+
+	/* Track the current runtime state of the SP. */
+	enum sp_runtime_states rt_state;
+
+	/* Track the current runtime model of the SP. */
+	enum sp_runtime_model rt_model;
+};
+
+/*
+ * Structure to describe the cumulative properties of an SP.
+ */
+struct secure_partition_desc {
+	/*
+	 * Execution contexts allocated to this endpoint. Ideally,
+	 * we need as many contexts as there are physical cpus only
+	 * for a S-EL1 SP which is MP-pinned.
+	 */
+	struct sp_exec_ctx ec[PLATFORM_CORE_COUNT];
+
+	/* ID of the Secure Partition. */
+	uint16_t sp_id;
+
+	/* Runtime EL. */
+	enum sp_runtime_el runtime_el;
+
+	/* Partition UUID. */
+	uint32_t uuid[4];
+
+	/* Partition Properties. */
+	uint32_t properties;
+
+	/* Supported FF-A Version. */
+	uint32_t ffa_version;
+
+	/* Execution State. */
+	enum sp_execution_state execution_state;
+
+	/* Secondary entrypoint. Only valid for a S-EL1 SP. */
+	uintptr_t secondary_ep;
+};
+
+/*
+ * This define identifies the only SP that will be initialised and participate
+ * in FF-A communication. The implementation leaves the door open for more SPs
+ * to be managed in future but for now it is reasonable to assume that either a
+ * single S-EL0 or a single S-EL1 SP will be supported. This define will be used
+ * to identify which SP descriptor to initialise and manage during SP runtime.
+ */
+#define ACTIVE_SP_DESC_INDEX	0
+
+/*
+ * Structure to describe the cumulative properties of the Hypervisor and
+ * NS-Endpoints.
+ */
+struct ns_endpoint_desc {
+	/*
+	 * ID of the NS-Endpoint or Hypervisor.
+	 */
+	uint16_t ns_ep_id;
+
+	/*
+	 * Supported FF-A Version.
+	 */
+	uint32_t ffa_version;
+};
+
+/* Setup Function for different SP types. */
+void spmc_sp_common_setup(struct secure_partition_desc *sp,
+			  entry_point_info_t *ep_info);
+void spmc_el1_sp_setup(struct secure_partition_desc *sp,
+		       entry_point_info_t *ep_info);
+void spmc_sp_common_ep_commit(struct secure_partition_desc *sp,
+			      entry_point_info_t *ep_info);
+
+/*
+ * Helper function to perform a synchronous entry into a SP.
+ */
+uint64_t spmc_sp_synchronous_entry(struct sp_exec_ctx *ec);
+
+/*
+ * Helper function to obtain the descriptor of the current SP on a physical cpu.
+ */
+struct secure_partition_desc *spmc_get_current_sp_ctx(void);
+
+/*
+ * Helper function to obtain the execution context of an SP on a
+ * physical cpu.
+ */
+struct sp_exec_ctx *spmc_get_sp_ec(struct secure_partition_desc *sp);
+
+/*
+ * Helper function to obtain the index of the execution context of an SP on a
+ * physical cpu.
+ */
+unsigned int get_ec_index(struct secure_partition_desc *sp);
+
+uint64_t spmc_ffa_error_return(void *handle, int error_code);
+
+/*
+ * Ensure a partition ID does not clash and follows the secure world convention.
+ */
+bool is_ffa_secure_id_valid(uint16_t partition_id);
+
+#endif /* SPMC_H */
diff --git a/services/std_svc/spm/el3_spmc/spmc.mk b/services/std_svc/spm/el3_spmc/spmc.mk
new file mode 100644
index 0000000..2b154dd
--- /dev/null
+++ b/services/std_svc/spm/el3_spmc/spmc.mk
@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifneq (${ARCH},aarch64)
+        $(error "Error: SPMC is only supported on aarch64.")
+endif
+
+SPMC_SOURCES	:=	$(addprefix services/std_svc/spm/el3_spmc/,	\
+			spmc_main.c				\
+			spmc_setup.c)
+
+
+# Let the top-level Makefile know that we intend to include a BL32 image
+NEED_BL32		:=	yes
diff --git a/services/std_svc/spm/el3_spmc/spmc_main.c b/services/std_svc/spm/el3_spmc/spmc_main.c
new file mode 100644
index 0000000..80d7a4c
--- /dev/null
+++ b/services/std_svc/spm/el3_spmc/spmc_main.c
@@ -0,0 +1,438 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+
+#include <arch_helpers.h>
+#include <bl31/bl31.h>
+#include <bl31/ehf.h>
+#include <common/debug.h>
+#include <common/fdt_wrappers.h>
+#include <common/runtime_svc.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/smccc.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <libfdt.h>
+#include <plat/common/platform.h>
+#include <services/ffa_svc.h>
+#include <services/spmc_svc.h>
+#include <services/spmd_svc.h>
+#include "spmc.h"
+
+#include <platform_def.h>
+
+/*
+ * Allocate a secure partition descriptor to describe each SP in the system that
+ * does not reside at EL3.
+ */
+static struct secure_partition_desc sp_desc[SECURE_PARTITION_COUNT];
+
+/*
+ * Allocate an NS endpoint descriptor to describe each VM and the Hypervisor in
+ * the system that interacts with a SP. It is used to track the Hypervisor
+ * buffer pair, version and ID for now. It could be extended to track VM
+ * properties when the SPMC supports indirect messaging.
+ */
+static struct ns_endpoint_desc ns_ep_desc[NS_PARTITION_COUNT];
+
+/*
+ * Helper function to obtain the descriptor of the last SP to whom control was
+ * handed to on this physical cpu. Currently, we assume there is only one SP.
+ * TODO: Expand to track multiple partitions when required.
+ */
+struct secure_partition_desc *spmc_get_current_sp_ctx(void)
+{
+	return &(sp_desc[ACTIVE_SP_DESC_INDEX]);
+}
+
+/*
+ * Helper function to obtain the execution context of an SP on the
+ * current physical cpu.
+ */
+struct sp_exec_ctx *spmc_get_sp_ec(struct secure_partition_desc *sp)
+{
+	return &(sp->ec[get_ec_index(sp)]);
+}
+
+/* Helper function to get pointer to SP context from its ID. */
+struct secure_partition_desc *spmc_get_sp_ctx(uint16_t id)
+{
+	/* Check for SWd Partitions. */
+	for (unsigned int i = 0U; i < SECURE_PARTITION_COUNT; i++) {
+		if (sp_desc[i].sp_id == id) {
+			return &(sp_desc[i]);
+		}
+	}
+	return NULL;
+}
+
+/******************************************************************************
+ * This function returns to the place where spmc_sp_synchronous_entry() was
+ * called originally.
+ ******************************************************************************/
+__dead2 void spmc_sp_synchronous_exit(struct sp_exec_ctx *ec, uint64_t rc)
+{
+	/*
+	 * The SPM must have initiated the original request through a
+	 * synchronous entry into the secure partition. Jump back to the
+	 * original C runtime context with the value of rc in x0;
+	 */
+	spm_secure_partition_exit(ec->c_rt_ctx, rc);
+
+	panic();
+}
+
+/*******************************************************************************
+ * Return FFA_ERROR with specified error code.
+ ******************************************************************************/
+uint64_t spmc_ffa_error_return(void *handle, int error_code)
+{
+	SMC_RET8(handle, FFA_ERROR,
+		 FFA_TARGET_INFO_MBZ, error_code,
+		 FFA_PARAM_MBZ, FFA_PARAM_MBZ, FFA_PARAM_MBZ,
+		 FFA_PARAM_MBZ, FFA_PARAM_MBZ);
+}
+
+/******************************************************************************
+ * Helper function to validate a secure partition ID to ensure it does not
+ * conflict with any other FF-A component and follows the convention to
+ * indicate it resides within the secure world.
+ ******************************************************************************/
+bool is_ffa_secure_id_valid(uint16_t partition_id)
+{
+	/* Ensure the ID is not the invalid partition ID. */
+	if (partition_id == INV_SP_ID) {
+		return false;
+	}
+
+	/* Ensure the ID is not the SPMD ID. */
+	if (partition_id == SPMD_DIRECT_MSG_ENDPOINT_ID) {
+		return false;
+	}
+
+	/*
+	 * Ensure the ID follows the convention to indicate it resides
+	 * in the secure world.
+	 */
+	if (!ffa_is_secure_world_id(partition_id)) {
+		return false;
+	}
+
+	/* Ensure we don't conflict with the SPMC partition ID. */
+	if (partition_id == FFA_SPMC_ID) {
+		return false;
+	}
+
+	/* Ensure we do not already have an SP context with this ID. */
+	if (spmc_get_sp_ctx(partition_id)) {
+		return false;
+	}
+
+	return true;
+}
+
+/*******************************************************************************
+ * This function will parse the Secure Partition Manifest. From manifest, it
+ * will fetch details for preparing Secure partition image context and secure
+ * partition image boot arguments if any.
+ ******************************************************************************/
+static int sp_manifest_parse(void *sp_manifest, int offset,
+			     struct secure_partition_desc *sp,
+			     entry_point_info_t *ep_info)
+{
+	int32_t ret, node;
+	uint32_t config_32;
+
+	/*
+	 * Look for the mandatory fields that are expected to be present in
+	 * the SP manifests.
+	 */
+	node = fdt_path_offset(sp_manifest, "/");
+	if (node < 0) {
+		ERROR("Did not find root node.\n");
+		return node;
+	}
+
+	ret = fdt_read_uint32(sp_manifest, node, "exception-level", &config_32);
+	if (ret != 0) {
+		ERROR("Missing SP Exception Level information.\n");
+		return ret;
+	}
+
+	sp->runtime_el = config_32;
+
+	ret = fdt_read_uint32(sp_manifest, node, "ffa-version", &config_32);
+	if (ret != 0) {
+		ERROR("Missing Secure Partition FF-A Version.\n");
+		return ret;
+	}
+
+	sp->ffa_version = config_32;
+
+	ret = fdt_read_uint32(sp_manifest, node, "execution-state", &config_32);
+	if (ret != 0) {
+		ERROR("Missing Secure Partition Execution State.\n");
+		return ret;
+	}
+
+	sp->execution_state = config_32;
+
+	/*
+	 * Look for the optional fields that are expected to be present in
+	 * an SP manifest.
+	 */
+	ret = fdt_read_uint32(sp_manifest, node, "id", &config_32);
+	if (ret != 0) {
+		WARN("Missing Secure Partition ID.\n");
+	} else {
+		if (!is_ffa_secure_id_valid(config_32)) {
+			ERROR("Invalid Secure Partition ID (0x%x).\n",
+			      config_32);
+			return -EINVAL;
+		}
+		sp->sp_id = config_32;
+	}
+
+	return 0;
+}
+
+/*******************************************************************************
+ * This function gets the Secure Partition Manifest base and maps the manifest
+ * region.
+ * Currently only one Secure Partition manifest is considered which is used to
+ * prepare the context for the single Secure Partition.
+ ******************************************************************************/
+static int find_and_prepare_sp_context(void)
+{
+	void *sp_manifest;
+	uintptr_t manifest_base;
+	uintptr_t manifest_base_align;
+	entry_point_info_t *next_image_ep_info;
+	int32_t ret;
+	struct secure_partition_desc *sp;
+
+	next_image_ep_info = bl31_plat_get_next_image_ep_info(SECURE);
+	if (next_image_ep_info == NULL) {
+		WARN("No Secure Partition image provided by BL2.\n");
+		return -ENOENT;
+	}
+
+	sp_manifest = (void *)next_image_ep_info->args.arg0;
+	if (sp_manifest == NULL) {
+		WARN("Secure Partition manifest absent.\n");
+		return -ENOENT;
+	}
+
+	manifest_base = (uintptr_t)sp_manifest;
+	manifest_base_align = page_align(manifest_base, DOWN);
+
+	/*
+	 * Map the secure partition manifest region in the EL3 translation
+	 * regime.
+	 * Map an area equal to (2 * PAGE_SIZE) for now. During manifest base
+	 * alignment the region of 1 PAGE_SIZE from manifest align base may
+	 * not completely accommodate the secure partition manifest region.
+	 */
+	ret = mmap_add_dynamic_region((unsigned long long)manifest_base_align,
+				      manifest_base_align,
+				      PAGE_SIZE * 2,
+				      MT_RO_DATA);
+	if (ret != 0) {
+		ERROR("Error while mapping SP manifest (%d).\n", ret);
+		return ret;
+	}
+
+	ret = fdt_node_offset_by_compatible(sp_manifest, -1,
+					    "arm,ffa-manifest-1.0");
+	if (ret < 0) {
+		ERROR("Error happened in SP manifest reading.\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Store the size of the manifest so that it can be used later to pass
+	 * the manifest as boot information later.
+	 */
+	next_image_ep_info->args.arg1 = fdt_totalsize(sp_manifest);
+	INFO("Manifest size = %lu bytes.\n", next_image_ep_info->args.arg1);
+
+	/*
+	 * Select an SP descriptor for initialising the partition's execution
+	 * context on the primary CPU.
+	 */
+	sp = spmc_get_current_sp_ctx();
+
+	/* Initialize entry point information for the SP */
+	SET_PARAM_HEAD(next_image_ep_info, PARAM_EP, VERSION_1,
+		       SECURE | EP_ST_ENABLE);
+
+	/* Parse the SP manifest. */
+	ret = sp_manifest_parse(sp_manifest, ret, sp, next_image_ep_info);
+	if (ret != 0) {
+		ERROR("Error in Secure Partition manifest parsing.\n");
+		return ret;
+	}
+
+	/* Check that the runtime EL in the manifest was correct. */
+	if (sp->runtime_el != S_EL1) {
+		ERROR("Unexpected runtime EL: %d\n", sp->runtime_el);
+		return -EINVAL;
+	}
+
+	/* Perform any common initialisation. */
+	spmc_sp_common_setup(sp, next_image_ep_info);
+
+	/* Perform any initialisation specific to S-EL1 SPs. */
+	spmc_el1_sp_setup(sp, next_image_ep_info);
+
+	/* Initialize the SP context with the required ep info. */
+	spmc_sp_common_ep_commit(sp, next_image_ep_info);
+
+	return 0;
+}
+
+/*******************************************************************************
+ * This function takes an SP context pointer and performs a synchronous entry
+ * into it.
+ ******************************************************************************/
+uint64_t spmc_sp_synchronous_entry(struct sp_exec_ctx *ec)
+{
+	uint64_t rc;
+
+	assert(ec != NULL);
+
+	/* Assign the context of the SP to this CPU */
+	cm_set_context(&(ec->cpu_ctx), SECURE);
+
+	/* Restore the context assigned above */
+	cm_el1_sysregs_context_restore(SECURE);
+	cm_set_next_eret_context(SECURE);
+
+	/* Invalidate TLBs at EL1. */
+	tlbivmalle1();
+	dsbish();
+
+	/* Enter Secure Partition */
+	rc = spm_secure_partition_enter(&ec->c_rt_ctx);
+
+	/* Save secure state */
+	cm_el1_sysregs_context_save(SECURE);
+
+	return rc;
+}
+
+/*******************************************************************************
+ * SPMC Helper Functions.
+ ******************************************************************************/
+static int32_t sp_init(void)
+{
+	uint64_t rc;
+	struct secure_partition_desc *sp;
+	struct sp_exec_ctx *ec;
+
+	sp = spmc_get_current_sp_ctx();
+	ec = spmc_get_sp_ec(sp);
+	ec->rt_model = RT_MODEL_INIT;
+	ec->rt_state = RT_STATE_RUNNING;
+
+	INFO("Secure Partition (0x%x) init start.\n", sp->sp_id);
+
+	rc = spmc_sp_synchronous_entry(ec);
+	if (rc != 0) {
+		/* Indicate SP init was not successful. */
+		ERROR("SP (0x%x) failed to initialize (%lu).\n",
+		      sp->sp_id, rc);
+		return 0;
+	}
+
+	ec->rt_state = RT_STATE_WAITING;
+	INFO("Secure Partition initialized.\n");
+
+	return 1;
+}
+
+static void initalize_sp_descs(void)
+{
+	struct secure_partition_desc *sp;
+
+	for (unsigned int i = 0U; i < SECURE_PARTITION_COUNT; i++) {
+		sp = &sp_desc[i];
+		sp->sp_id = INV_SP_ID;
+		sp->secondary_ep = 0;
+	}
+}
+
+static void initalize_ns_ep_descs(void)
+{
+	struct ns_endpoint_desc *ns_ep;
+
+	for (unsigned int i = 0U; i < NS_PARTITION_COUNT; i++) {
+		ns_ep = &ns_ep_desc[i];
+		/*
+		 * Clashes with the Hypervisor ID but will not be a
+		 * problem in practice.
+		 */
+		ns_ep->ns_ep_id = 0;
+		ns_ep->ffa_version = 0;
+	}
+}
+
+/*******************************************************************************
+ * Initialize contexts of all Secure Partitions.
+ ******************************************************************************/
+int32_t spmc_setup(void)
+{
+	int32_t ret;
+
+	/* Initialize endpoint descriptors */
+	initalize_sp_descs();
+	initalize_ns_ep_descs();
+
+	/* Perform physical SP setup. */
+
+	/* Disable MMU at EL1 (initialized by BL2) */
+	disable_mmu_icache_el1();
+
+	/* Initialize context of the SP */
+	INFO("Secure Partition context setup start.\n");
+
+	ret = find_and_prepare_sp_context();
+	if (ret != 0) {
+		ERROR("Error in SP finding and context preparation.\n");
+		return ret;
+	}
+
+	/* Register init function for deferred init.  */
+	bl31_register_bl32_init(&sp_init);
+
+	INFO("Secure Partition setup done.\n");
+
+	return 0;
+}
+
+/*******************************************************************************
+ * Secure Partition Manager SMC handler.
+ ******************************************************************************/
+uint64_t spmc_smc_handler(uint32_t smc_fid,
+			  bool secure_origin,
+			  uint64_t x1,
+			  uint64_t x2,
+			  uint64_t x3,
+			  uint64_t x4,
+			  void *cookie,
+			  void *handle,
+			  uint64_t flags)
+{
+	switch (smc_fid) {
+
+	default:
+		WARN("Unsupported FF-A call 0x%08x.\n", smc_fid);
+		break;
+	}
+	return spmc_ffa_error_return(handle, FFA_ERROR_NOT_SUPPORTED);
+}
diff --git a/services/std_svc/spm/el3_spmc/spmc_setup.c b/services/std_svc/spm/el3_spmc/spmc_setup.c
new file mode 100644
index 0000000..7b23c9e
--- /dev/null
+++ b/services/std_svc/spm/el3_spmc/spmc_setup.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <context.h>
+#include <lib/el3_runtime/context_mgmt.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <plat/common/common_def.h>
+#include <plat/common/platform.h>
+#include <services/ffa_svc.h>
+#include "spm_common.h"
+#include "spmc.h"
+
+#include <platform_def.h>
+
+/*
+ * We are assuming that the index of the execution
+ * context used is the linear index of the current physical cpu.
+ */
+unsigned int get_ec_index(struct secure_partition_desc *sp)
+{
+	return plat_my_core_pos();
+}
+
+/* S-EL1 partition specific initialisation. */
+void spmc_el1_sp_setup(struct secure_partition_desc *sp,
+		       entry_point_info_t *ep_info)
+{
+	/* Sanity check input arguments. */
+	assert(sp != NULL);
+	assert(ep_info != NULL);
+
+	/* Initialise the SPSR for S-EL1 SPs. */
+	ep_info->spsr =	SPSR_64(MODE_EL1, MODE_SP_ELX,
+				DISABLE_ALL_EXCEPTIONS);
+
+	/*
+	 * Check whether setup is being performed for the primary or a secondary
+	 * execution context. In the latter case, indicate to the SP that this
+	 * is a warm boot.
+	 * TODO: This check would need to be reworked if the same entry point is
+	 * used for both primary and secondary initialisation.
+	 */
+	if (sp->secondary_ep != 0U) {
+		/*
+		 * Sanity check that the secondary entry point is still what was
+		 * originally set.
+		 */
+		assert(sp->secondary_ep == ep_info->pc);
+		ep_info->args.arg0 = FFA_WB_TYPE_S2RAM;
+	}
+}
+
+/* Common initialisation for all SPs. */
+void spmc_sp_common_setup(struct secure_partition_desc *sp,
+			  entry_point_info_t *ep_info)
+{
+	uint16_t sp_id;
+
+	/* Assign FF-A Partition ID if not already assigned. */
+	if (sp->sp_id == INV_SP_ID) {
+		sp_id = FFA_SP_ID_BASE + ACTIVE_SP_DESC_INDEX;
+		/*
+		 * Ensure we don't clash with previously assigned partition
+		 * IDs.
+		 */
+		while (!is_ffa_secure_id_valid(sp_id)) {
+			sp_id++;
+
+			if (sp_id == FFA_SWD_ID_LIMIT) {
+				ERROR("Unable to determine valid SP ID.\n");
+				panic();
+			}
+		}
+		sp->sp_id = sp_id;
+	}
+
+	/*
+	 * We currently only support S-EL1 partitions so ensure this is the
+	 * case.
+	 */
+	assert(sp->runtime_el == S_EL1);
+
+	/*
+	 * Clear the general purpose registers. These should be populated as
+	 * required.
+	 */
+	zeromem(&ep_info->args, sizeof(ep_info->args));
+}
+
+/*
+ * Initialise the SP context now we have populated the common and EL specific
+ * entrypoint information.
+ */
+void spmc_sp_common_ep_commit(struct secure_partition_desc *sp,
+			      entry_point_info_t *ep_info)
+{
+	cpu_context_t *cpu_ctx;
+
+	cpu_ctx = &(spmc_get_sp_ec(sp)->cpu_ctx);
+	print_entry_point_info(ep_info);
+	cm_setup_context(cpu_ctx, ep_info);
+}
diff --git a/services/std_svc/spmd/spmd_private.h b/services/std_svc/spmd/spmd_private.h
index 4cd6a74..4c298c9 100644
--- a/services/std_svc/spmd/spmd_private.h
+++ b/services/std_svc/spmd/spmd_private.h
@@ -58,12 +58,6 @@
  */
 #define FFA_NS_ENDPOINT_ID			U(0)
 
-/* Mask and shift to check valid secure FF-A Endpoint ID. */
-#define SPMC_SECURE_ID_MASK			U(1)
-#define SPMC_SECURE_ID_SHIFT			U(15)
-
-#define SPMD_DIRECT_MSG_ENDPOINT_ID		U(FFA_ENDPOINT_ID_MAX - 1)
-
 /* Define SPMD target function IDs for framework messages to the SPMC */
 #define SPMD_FWK_MSG_BIT			BIT(31)
 #define SPMD_FWK_MSG_PSCI			U(0)