diff --git a/docs/components/rmm-el3-comms-spec.rst b/docs/components/rmm-el3-comms-spec.rst
index 5f0b5ab..5fbd7fd 100644
--- a/docs/components/rmm-el3-comms-spec.rst
+++ b/docs/components/rmm-el3-comms-spec.rst
@@ -53,7 +53,7 @@
     consistency with the versioning schemes used in other parts of RMM.
 
 This document specifies the 0.2 version of Boot Interface ABI and RMM-EL3
-services specification and the 0.2 version of the Boot Manifest.
+services specification and the 0.3 version of the Boot Manifest.
 
 .. _rmm_el3_boot_interface:
 
@@ -182,17 +182,20 @@
 
 This Boot Manifest is versioned independently of the Boot Interface, to help
 evolve the former independent of the latter.
-The current version for the Boot Manifest is ``v0.2`` and the rules explained
+The current version for the Boot Manifest is ``v0.3`` and the rules explained
 in :ref:`rmm_el3_ifc_versioning` apply on this version as well.
 
-The Boot Manifest v0.2 has the following fields:
+The Boot Manifest v0.3 has the following fields:
 
-   - version : Version of the Manifest (v0.2)
+   - version : Version of the Manifest (v0.3)
    - plat_data : Pointer to the platform specific data and not specified by this
      document. These data are optional and can be NULL.
    - plat_dram : Structure encoding the NS DRAM information on the platform. This
-     field is also optional and platform can choose to zero out this structure if
+     field is optional and platform can choose to zero out this structure if
      RMM does not need EL3 to send this information during the boot.
+   - plat_console : Structure encoding the list of consoles for RMM use on the
+     platform. This field is optional and platform can choose to not populate
+     the console list if this is not needed by the RMM for this platform.
 
 For the current version of the Boot Manifest, the core manifest contains a pointer
 to the platform data. EL3 must ensure that the whole Boot Manifest, including
@@ -533,23 +536,25 @@
 RMM-EL3 Boot Manifest structure
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The RMM-EL3 Boot Manifest v0.2 structure contains platform boot information passed
-from EL3 to RMM. The size of the Boot Manifest is 40 bytes.
+The RMM-EL3 Boot Manifest v0.3 structure contains platform boot information passed
+from EL3 to RMM. The size of the Boot Manifest is 64 bytes.
 
 The members of the RMM-EL3 Boot Manifest structure are shown in the following
 table:
 
-+-----------+--------+----------------+----------------------------------------+
-|   Name    | Offset |     Type       |               Description              |
-+===========+========+================+========================================+
-| version   |   0    |   uint32_t     | Boot Manifest version                  |
-+-----------+--------+----------------+----------------------------------------+
-| padding   |   4    |   uint32_t     | Reserved, set to 0                     |
-+-----------+--------+----------------+----------------------------------------+
-| plat_data |   8    |   uintptr_t    | Pointer to Platform Data section       |
-+-----------+--------+----------------+----------------------------------------+
-| plat_dram |   16   | ns_dram_info   | NS DRAM Layout Info structure          |
-+-----------+--------+----------------+----------------------------------------+
++--------------+--------+----------------+----------------------------------------+
+|   Name       | Offset |     Type       |               Description              |
++==============+========+================+========================================+
+| version      |   0    |   uint32_t     | Boot Manifest version                  |
++--------------+--------+----------------+----------------------------------------+
+| padding      |   4    |   uint32_t     | Reserved, set to 0                     |
++--------------+--------+----------------+----------------------------------------+
+| plat_data    |   8    |   uintptr_t    | Pointer to Platform Data section       |
++--------------+--------+----------------+----------------------------------------+
+| plat_dram    |   16   | ns_dram_info   | NS DRAM Layout Info structure          |
++--------------+--------+----------------+----------------------------------------+
+| plat_console |   40   | console_list   | List of consoles available to RMM      |
++--------------+--------+----------------+----------------------------------------+
 
 .. _ns_dram_info_struct:
 
@@ -587,5 +592,47 @@
 |   size    |   8    |   uint64_t     | Size of bank in bytes                  |
 +-----------+--------+----------------+----------------------------------------+
 
+.. _console_list_struct:
+
+Console List structure
+~~~~~~~~~~~~~~~~~~~~~~
+
+Console List structure contains information about the available consoles for RMM.
+The members of this structure are shown in the table below:
+
++--------------+--------+----------------+----------------------------------------+
+|   Name       | Offset |     Type       |               Description              |
++==============+========+================+========================================+
+| num_consoles |   0    |   uint64_t     | Number of consoles                     |
++--------------+--------+----------------+----------------------------------------+
+| consoles     |   8    | console_info * | Pointer to 'console_info'[] array      |
++--------------+--------+----------------+----------------------------------------+
+| checksum     |   16   |   uint64_t     | Checksum                               |
++--------------+--------+----------------+----------------------------------------+
+
+Checksum is calculated as two's complement sum of 'num_consoles', 'consoles'
+pointer and the consoles array pointed by it.
+
+.. _console_info_struct:
+
+Console Info structure
+~~~~~~~~~~~~~~~~~~~~~~
+
+Console Info structure contains information about each Console available to RMM.
 
++-----------+--------+---------------+----------------------------------------+
+|   Name    | Offset |     Type      |               Description              |
++===========+========+===============+========================================+
+| base      |   0    |   uintptr_t   | Console Base address                   |
++-----------+--------+---------------+----------------------------------------+
+| map_pages |   8    |   uint64_t    | Num of pages to map for console MMIO   |
++-----------+--------+---------------+----------------------------------------+
+| name      |   16   |   char[]      | Name of console                        |
++-----------+--------+---------------+----------------------------------------+
+| clk_in_hz |   24   |   uint64_t    | UART clock (in hz) for console         |
++-----------+--------+---------------+----------------------------------------+
+| baud_rate |   32   |   uint64_t    | Baud rate                              |
++-----------+--------+---------------+----------------------------------------+
+| flags     |   40   |   uint64_t    | Additional flags (RES0)                |
++-----------+--------+---------------+----------------------------------------+
 
diff --git a/include/plat/nuvoton/npcm845x/platform_def.h b/include/plat/nuvoton/npcm845x/platform_def.h
index 09da36b..9cbf839 100644
--- a/include/plat/nuvoton/npcm845x/platform_def.h
+++ b/include/plat/nuvoton/npcm845x/platform_def.h
@@ -132,11 +132,6 @@
  */
 #define PLAT_ARM_NS_IMAGE_BASE (ARM_DRAM1_BASE + UL(0x6208000))
 
-#ifdef NPCM845X_DEBUG
-#define COUNTER_FREQUENCY 0x07735940 /* f/4 = 125MHz */
-#endif /* NPCM845X_DEBUG */
-
-#define COUNTER_FREQUENCY 0x0EE6B280 /* f/2 = 250MHz */
 #define PLAT_ARM_NSTIMER_FRAME_ID U(1)
 
 /* GIC parameters */
diff --git a/include/services/rmm_core_manifest.h b/include/services/rmm_core_manifest.h
index b89de9f..578bc14 100644
--- a/include/services/rmm_core_manifest.h
+++ b/include/services/rmm_core_manifest.h
@@ -14,7 +14,9 @@
 #include <lib/cassert.h>
 
 #define RMMD_MANIFEST_VERSION_MAJOR		U(0)
-#define RMMD_MANIFEST_VERSION_MINOR		U(2)
+#define RMMD_MANIFEST_VERSION_MINOR		U(3)
+
+#define RMM_CONSOLE_MAX_NAME_LEN		U(8)
 
 /*
  * Manifest version encoding:
@@ -60,12 +62,49 @@
 CASSERT(offsetof(struct ns_dram_info, checksum) == 16UL,
 			rmm_manifest_checksum_unaligned);
 
+/* Console info structure */
+struct console_info {
+	uintptr_t base;			/* Console base address */
+	uint64_t map_pages;		/* Num of pages to be mapped in RMM for the console MMIO */
+	char name[RMM_CONSOLE_MAX_NAME_LEN];	/* Name of console */
+	uint64_t clk_in_hz;		/* UART clock (in HZ) for the console */
+	uint64_t baud_rate;		/* Baud rate */
+	uint64_t flags;			/* Additional flags RES0 */
+};
+
+CASSERT(offsetof(struct console_info, base) == 0UL,
+			rmm_manifest_console_base_unaligned);
+CASSERT(offsetof(struct console_info, map_pages) == 8UL,
+			rmm_manifest_console_map_pages_unaligned);
+CASSERT(offsetof(struct console_info, name) == 16UL,
+			rmm_manifest_console_name_unaligned);
+CASSERT(offsetof(struct console_info, clk_in_hz) == 24UL,
+			rmm_manifest_console_clk_in_hz_unaligned);
+CASSERT(offsetof(struct console_info, baud_rate) == 32UL,
+			rmm_manifest_console_baud_rate_unaligned);
+CASSERT(offsetof(struct console_info, flags) == 40UL,
+			rmm_manifest_console_flags_unaligned);
+
-/* Boot manifest core structure as per v0.2 */
+struct console_list {
+	uint64_t num_consoles;		/* Number of consoles */
+	struct console_info *consoles;	/* Pointer to ns_dram_bank[] */
+	uint64_t checksum;		/* Checksum of ns_dram_info data */
+};
+
+CASSERT(offsetof(struct console_list, num_consoles) == 0UL,
+			rmm_manifest_num_consoles);
+CASSERT(offsetof(struct console_list, consoles) == 8UL,
+			rmm_manifest_consoles);
+CASSERT(offsetof(struct console_list, checksum) == 16UL,
+			rmm_manifest_console_list_checksum);
+
+/* Boot manifest core structure as per v0.3 */
 struct rmm_manifest {
-	uint32_t version;		/* Manifest version */
-	uint32_t padding;		/* RES0 */
-	uintptr_t plat_data;		/* Manifest platform data */
-	struct ns_dram_info plat_dram;	/* Platform NS DRAM data */
+	uint32_t version;			/* Manifest version */
+	uint32_t padding;			/* RES0 */
+	uintptr_t plat_data;			/* Manifest platform data */
+	struct ns_dram_info plat_dram;		/* Platform NS DRAM data (v0.2) */
+	struct console_list plat_console;	/* Platform console list (v0.3) */
 };
 
 CASSERT(offsetof(struct rmm_manifest, version) == 0UL,
@@ -74,5 +113,7 @@
 			rmm_manifest_plat_data_unaligned);
 CASSERT(offsetof(struct rmm_manifest, plat_dram) == 16UL,
 			rmm_manifest_plat_dram_unaligned);
+CASSERT(offsetof(struct rmm_manifest, plat_console) == 40UL,
+			rmm_manifest_plat_console_unaligned);
 
 #endif /* RMM_CORE_MANIFEST_H */
diff --git a/make_helpers/toolchain.mk b/make_helpers/toolchain.mk
index 7255509..def6653 100644
--- a/make_helpers/toolchain.mk
+++ b/make_helpers/toolchain.mk
@@ -290,7 +290,7 @@
 guess-gnu-gcc-ld = $(if $(filter 1,$(ENABLE_LTO)),$(1),$(shell $(1) --print-prog-name ld.bfd 2>$(nul)))
 guess-gnu-gcc-oc = $(shell $(1) --print-prog-name objcopy 2>$(nul))
 guess-gnu-gcc-od = $(shell $(1) --print-prog-name objdump 2>$(nul))
-guess-gnu-gcc-ar = $(patsubst %$(notdir $(1)),%$(subst gcc,gcc-ar,$(notdir $(1))),$(1))
+guess-gnu-gcc-ar = $(call which,$(patsubst %$(notdir $(1)),%$(subst gcc,gcc-ar,$(notdir $(1))),$(1)))
 
 define locate-toolchain-tool-cc
         $(eval toolchain := $(1))
diff --git a/plat/arm/board/fvp/fvp_common.c b/plat/arm/board/fvp/fvp_common.c
index beae242..8cbf10e 100644
--- a/plat/arm/board/fvp/fvp_common.c
+++ b/plat/arm/board/fvp/fvp_common.c
@@ -5,6 +5,7 @@
  */
 
 #include <assert.h>
+#include <string.h>
 
 #include <common/debug.h>
 #include <drivers/arm/cci.h>
@@ -33,6 +34,14 @@
 #define FVP_GICV2		1
 #define FVP_GICV3		2
 
+/* Defines for RMM Console*/
+#define FVP_RMM_CONSOLE_BASE		UL(0x1c0c0000)
+#define FVP_RMM_CONSOLE_BAUD		UL(115200)
+#define FVP_RMM_CONSOLE_CLK_IN_HZ	UL(14745600)
+#define FVP_RMM_CONSOLE_NAME		"pl011"
+
+#define FVP_RMM_CONSOLE_COUNT		UL(1)
+
 /*******************************************************************************
  * arm_config holds the characteristics of the differences between the three FVP
  * platforms (Base, A53_A57 & Foundation). It will be populated during cold boot
@@ -552,8 +561,9 @@
 
 int plat_rmmd_load_manifest(struct rmm_manifest *manifest)
 {
-	uint64_t checksum, num_banks;
+	uint64_t checksum, num_banks, num_consoles;
 	struct ns_dram_bank *bank_ptr;
+	struct console_info *console_ptr;
 
 	assert(manifest != NULL);
 
@@ -561,43 +571,74 @@
 	num_banks = FCONF_GET_PROPERTY(hw_config, dram_layout, num_banks);
 	assert(num_banks <= ARM_DRAM_NUM_BANKS);
 
+	/* Set number of consoles */
+	num_consoles = FVP_RMM_CONSOLE_COUNT;
+
 	manifest->version = RMMD_MANIFEST_VERSION;
 	manifest->padding = 0U; /* RES0 */
 	manifest->plat_data = (uintptr_t)NULL;
 	manifest->plat_dram.num_banks = num_banks;
+	manifest->plat_console.num_consoles = num_consoles;
 
 	/*
-	 * Array ns_dram_banks[] follows ns_dram_info structure:
+	 * Boot Manifest structure illustration, with two dram banks and
+	 * a single console.
 	 *
-	 * +-----------------------------------+
-	 * |  offset  |   field   |  comment   |
-	 * +----------+-----------+------------+
-	 * |    0     |  version  | 0x00000002 |
-	 * +----------+-----------+------------+
-	 * |    4     |  padding  | 0x00000000 |
-	 * +----------+-----------+------------+
-	 * |    8     | plat_data |    NULL    |
-	 * +----------+-----------+------------+
-	 * |    16    | num_banks |            |
-	 * +----------+-----------+            |
-	 * |    24    |   banks   | plat_dram  |
-	 * +----------+-----------+            |
-	 * |    32    | checksum  |            |
-	 * +----------+-----------+------------+
-	 * |    40    |  base 0   |            |
-	 * +----------+-----------+   bank[0]  |
-	 * |    48    |  size 0   |            |
-	 * +----------+-----------+------------+
-	 * |    56    |  base 1   |            |
-	 * +----------+-----------+   bank[1]  |
-	 * |    64    |  size 1   |            |
-	 * +----------+-----------+------------+
+	 * +----------------------------------------+
+	 * | offset |     field      |    comment   |
+	 * +--------+----------------+--------------+
+	 * |   0    |    version     |  0x00000003  |
+	 * +--------+----------------+--------------+
+	 * |   4    |    padding     |  0x00000000  |
+	 * +--------+----------------+--------------+
+	 * |   8    |   plat_data    |     NULL     |
+	 * +--------+----------------+--------------+
+	 * |   16   |   num_banks    |              |
+	 * +--------+----------------+              |
+	 * |   24   |     banks      |   plat_dram  |
+	 * +--------+----------------+              |
+	 * |   32   |    checksum    |              |
+	 * +--------+----------------+--------------+
+	 * |   40   |  num_consoles  |              |
+	 * +--------+----------------+              |
+	 * |   48   |    consoles    | plat_console |
+	 * +--------+----------------+              |
+	 * |   56   |    checksum    |              |
+	 * +--------+----------------+--------------+
+	 * |   64   |     base 0     |              |
+	 * +--------+----------------+    bank[0]   |
+	 * |   72   |     size 0     |              |
+	 * +--------+----------------+--------------+
+	 * |   80   |     base 1     |              |
+	 * +--------+----------------+    bank[1]   |
+	 * |   88   |     size 1     |              |
+	 * +--------+----------------+--------------+
+	 * |   96   |     base       |              |
+	 * +--------+----------------+              |
+	 * |   104  |   map_pages    |              |
+	 * +--------+----------------+              |
+	 * |   112  |     name       |              |
+	 * +--------+----------------+  consoles[0] |
+	 * |   120  |   clk_in_hz    |              |
+	 * +--------+----------------+              |
+	 * |   128  |   baud_rate    |              |
+	 * +--------+----------------+              |
+	 * |   136  |     flags      |              |
+	 * +--------+----------------+--------------+
 	 */
+
 	bank_ptr = (struct ns_dram_bank *)
-			((uintptr_t)&manifest->plat_dram.checksum +
-			sizeof(manifest->plat_dram.checksum));
+			(((uintptr_t)manifest) + sizeof(*manifest));
+	console_ptr = (struct console_info *)
+			((uintptr_t)bank_ptr + (num_banks * sizeof(*bank_ptr)));
 
 	manifest->plat_dram.banks = bank_ptr;
+	manifest->plat_console.consoles = console_ptr;
+
+	/* Ensure the manifest is not larger than the shared buffer */
+	assert((sizeof(struct rmm_manifest) +
+		(sizeof(struct console_info) * manifest->plat_console.num_consoles) +
+		(sizeof(struct ns_dram_bank) * manifest->plat_dram.num_banks)) <= ARM_EL3_RMM_SHARED_SIZE);
 
 	/* Calculate checksum of plat_dram structure */
 	checksum = num_banks + (uint64_t)bank_ptr;
@@ -617,6 +658,26 @@
 	/* Checksum must be 0 */
 	manifest->plat_dram.checksum = ~checksum + 1UL;
 
+	/* Calculate the checksum of the plat_consoles structure */
+	checksum = num_consoles + (uint64_t)console_ptr;
+
+	/* Zero out the console info struct */
+	memset((void *)console_ptr, '\0', sizeof(struct console_info) * num_consoles);
+
+	console_ptr[0].map_pages = 1;
+	console_ptr[0].base = FVP_RMM_CONSOLE_BASE;
+	console_ptr[0].clk_in_hz = FVP_RMM_CONSOLE_CLK_IN_HZ;
+	console_ptr[0].baud_rate = FVP_RMM_CONSOLE_BAUD;
+
+	strlcpy(console_ptr[0].name, FVP_RMM_CONSOLE_NAME, RMM_CONSOLE_MAX_NAME_LEN-1UL);
+
+	/* Update checksum */
+	checksum += console_ptr[0].base + console_ptr[0].map_pages +
+		console_ptr[0].clk_in_hz + console_ptr[0].baud_rate;
+
+	/* Checksum must be 0 */
+	manifest->plat_console.checksum = ~checksum + 1UL;
+
 	return 0;
 }
 #endif	/* ENABLE_RME */
diff --git a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
index 7065a65..70c2def 100644
--- a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
@@ -26,6 +26,7 @@
 #include <imx_aipstz.h>
 #include <imx_uart.h>
 #include <imx8m_caam.h>
+#include <imx8m_ccm.h>
 #include <plat_imx8.h>
 
 #define TRUSTY_PARAMS_LEN_BYTES      (4096*2)
@@ -145,6 +146,7 @@
 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
 			u_register_t arg2, u_register_t arg3)
 {
+	unsigned int console_base = IMX_BOOT_UART_BASE;
 	static console_t console;
 	int i;
 	/* enable CSU NS access permission */
@@ -154,7 +156,11 @@
 
 	imx_aipstz_init(aipstz);
 
-	console_imx_uart_register(IMX_BOOT_UART_BASE, IMX_BOOT_UART_CLK_IN_HZ,
+	if (console_base == 0U) {
+		console_base = imx8m_uart_get_base();
+	}
+
+	console_imx_uart_register(console_base, IMX_BOOT_UART_CLK_IN_HZ,
 		IMX_CONSOLE_BAUDRATE, &console);
 	/* This console is only used for boot stage */
 	console_set_scope(&console, CONSOLE_FLAG_BOOT);
diff --git a/plat/imx/imx8m/imx8mq/platform.mk b/plat/imx/imx8m/imx8mq/platform.mk
index 2356cbd..6556c7f 100644
--- a/plat/imx/imx8m/imx8mq/platform.mk
+++ b/plat/imx/imx8m/imx8mq/platform.mk
@@ -31,6 +31,7 @@
 				plat/imx/imx8m/gpc_common.c			\
 				plat/imx/imx8m/imx_aipstz.c			\
 				plat/imx/imx8m/imx8m_caam.c			\
+				plat/imx/imx8m/imx8m_ccm.c			\
 				plat/imx/imx8m/imx8m_psci_common.c		\
 				plat/imx/imx8m/imx8mq/gpc.c			\
 				plat/imx/common/imx8_topology.c			\
@@ -66,6 +67,9 @@
 $(eval $(call add_define,BL32_SIZE))
 
 IMX_BOOT_UART_BASE	?=	0x30860000
+ifeq (${IMX_BOOT_UART_BASE},auto)
+    override IMX_BOOT_UART_BASE	:=	0
+endif
 $(eval $(call add_define,IMX_BOOT_UART_BASE))
 
 ifeq (${SPD},trusty)
diff --git a/plat/nuvoton/npcm845x/npcm845x_bl31_setup.c b/plat/nuvoton/npcm845x/npcm845x_bl31_setup.c
index b8371d8..4b29bbc 100644
--- a/plat/nuvoton/npcm845x/npcm845x_bl31_setup.c
+++ b/plat/nuvoton/npcm845x/npcm845x_bl31_setup.c
@@ -117,7 +117,10 @@
 
 unsigned int plat_get_syscnt_freq2(void)
 {
-	return (unsigned int)COUNTER_FREQUENCY;
+	/*
+	 * Do not overwrite the value set by BootBlock
+	 */
+	return (unsigned int)read_cntfrq_el0();
 }
 
 /******************************************************************************
@@ -324,23 +327,13 @@
 {
 	const mmap_region_t bl_regions[] = {
 		MAP_BL31_TOTAL,
-#if RECLAIM_INIT_CODE
-		MAP_BL_INIT_CODE_NOT_USED,
-#endif /* RECLAIM_INIT_CODE */
 		ARM_MAP_BL_RO,
 #if USE_COHERENT_MEM
 		ARM_MAP_BL_COHERENT_RAM,
 #endif /* USE_COHERENT_MEM */
 		ARM_MAP_SHARED_RAM,
-#ifdef SECONDARY_BRINGUP
-		ARM_MAP_NS_DRAM1_NO_USED,
-	#ifdef BL32_BASE
-		ARM_MAP_BL32_CORE_MEM_NO_USED
-	#endif /* BL32_BASE */
-#endif /* SECONDARY_BRINGUP */
 		{0}
 	};
 	setup_page_tables(bl_regions, plat_arm_get_mmap());
 	enable_mmu_el3(0U);
-	NOTICE("Done enabling MMU\n");
 }
diff --git a/plat/xilinx/common/pm_service/pm_svc_main.c b/plat/xilinx/common/pm_service/pm_svc_main.c
index f9917a0..7d8f244 100644
--- a/plat/xilinx/common/pm_service/pm_svc_main.c
+++ b/plat/xilinx/common/pm_service/pm_svc_main.c
@@ -34,6 +34,8 @@
 #define PM_INIT_SUSPEND_CB	(30U)
 #define PM_NOTIFY_CB		(32U)
 #define EVENT_CPU_PWRDWN	(4U)
+#define MBOX_SGI_SHARED_IPI	(7U)
+
 /* 1 sec of wait timeout for secondary core down */
 #define PWRDWN_WAIT_TIMEOUT	(1000U)
 DEFINE_RENAME_SYSREG_RW_FUNCS(icc_asgi1r_el1, S3_0_C12_C11_6)
@@ -97,12 +99,32 @@
 {
 	uint32_t payload[4] = {0};
 	enum pm_ret_status ret;
+	int ipi_status, i;
 
 	VERBOSE("Received IPI FIQ from firmware\n");
 
 	console_flush();
 	(void)plat_ic_acknowledge_interrupt();
 
+	/* Check status register for each IPI except PMC */
+	for (i = IPI_ID_APU; i <= IPI_ID_5; i++) {
+		ipi_status = ipi_mb_enquire_status(IPI_ID_APU, i);
+
+		/* If any agent other than PMC has generated IPI FIQ then send SGI to mbox driver */
+		if (ipi_status & IPI_MB_STATUS_RECV_PENDING) {
+			plat_ic_raise_ns_sgi(MBOX_SGI_SHARED_IPI, read_mpidr_el1());
+			break;
+		}
+	}
+
+	/* If PMC has not generated interrupt then end ISR */
+	ipi_status = ipi_mb_enquire_status(IPI_ID_APU, IPI_ID_PMC);
+	if ((ipi_status & IPI_MB_STATUS_RECV_PENDING) == 0) {
+		plat_ic_end_of_interrupt(id);
+		return 0;
+	}
+
+	/* Handle PMC case */
 	ret = pm_get_callbackdata(payload, ARRAY_SIZE(payload), 0, 0);
 	if (ret != PM_RET_SUCCESS) {
 		payload[0] = ret;
diff --git a/services/std_svc/rmmd/rmmd_main.c b/services/std_svc/rmmd/rmmd_main.c
index b3b2a69..a682e8e 100644
--- a/services/std_svc/rmmd/rmmd_main.c
+++ b/services/std_svc/rmmd/rmmd_main.c
@@ -232,8 +232,10 @@
 	assert((shared_buf_size == SZ_4K) &&
 					((void *)shared_buf_base != NULL));
 
-	/* Load the boot manifest at the beginning of the shared area */
+	/* Zero out and load the boot manifest at the beginning of the share area */
 	manifest = (struct rmm_manifest *)shared_buf_base;
+	memset((void *)manifest, 0, sizeof(manifest));
+
 	rc = plat_rmmd_load_manifest(manifest);
 	if (rc != 0) {
 		ERROR("Error loading RMM Boot Manifest (%i)\n", rc);
diff --git a/services/std_svc/spmd/spmd_main.c b/services/std_svc/spmd/spmd_main.c
index 7572adf..62b9aa0 100644
--- a/services/std_svc/spmd/spmd_main.c
+++ b/services/std_svc/spmd/spmd_main.c
@@ -593,14 +593,17 @@
 	 */
 #if (EL3_EXCEPTION_HANDLING == 0)
 	/*
-	 * Register an interrupt handler routing Group0 interrupts to SPMD
-	 * while the NWd is running.
+	 * If EL3 interrupts are supported by the platform, register an
+	 * interrupt handler routing Group0 interrupts to SPMD while the NWd is
+	 * running.
 	 */
-	rc = register_interrupt_type_handler(INTR_TYPE_EL3,
-					     spmd_group0_interrupt_handler_nwd,
-					     flags);
-	if (rc != 0) {
-		panic();
+	if (plat_ic_has_interrupt_type(INTR_TYPE_EL3)) {
+		rc = register_interrupt_type_handler(INTR_TYPE_EL3,
+						     spmd_group0_interrupt_handler_nwd,
+						     flags);
+		if (rc != 0) {
+			panic();
+		}
 	}
 #endif