Merge changes from topic "st_fixes" into integration

* changes:
  fix(stm32_console): do not skip init for crash console
  fix(plat/st): add UART reset in crash console init
  refactor(stm32mp1_clk): update RCC registers file
  fix(stm32mp1_clk): keep RTCAPB clock always on
  fix(stm32mp1_clk): fix RTC clock rating
  fix(stm32mp1_clk): correctly manage RTC clock source
  fix(spi_nand): check correct manufacturer id
  fix(spi_nand): check that parameters have been set
diff --git a/Makefile b/Makefile
index 9d1e945..59d14ba 100644
--- a/Makefile
+++ b/Makefile
@@ -529,6 +529,10 @@
         ifneq ($(ARM_BL2_SP_LIST_DTS),)
             DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
         endif
+
+        ifneq ($(SP_LAYOUT_FILE),)
+            BL2_ENABLE_SP_LOAD := 1
+        endif
     else
         # All other SPDs in spd directory
         SPD_DIR := spd
@@ -902,6 +906,7 @@
 $(eval $(call assert_booleans,\
     $(sort \
         ALLOW_RO_XLAT_TABLES \
+        BL2_ENABLE_SP_LOAD \
         COLD_BOOT_SINGLE_CPU \
         CREATE_KEYS \
         CTX_INCLUDE_AARCH32_REGS \
@@ -971,6 +976,7 @@
         ENABLE_TRBE_FOR_NS \
         ENABLE_SYS_REG_TRACE_FOR_NS \
         ENABLE_TRF_FOR_NS \
+        ENABLE_FEAT_HCX \
 )))
 
 $(eval $(call assert_numerics,\
@@ -1002,6 +1008,7 @@
         ALLOW_RO_XLAT_TABLES \
         ARM_ARCH_MAJOR \
         ARM_ARCH_MINOR \
+        BL2_ENABLE_SP_LOAD \
         COLD_BOOT_SINGLE_CPU \
         CTX_INCLUDE_AARCH32_REGS \
         CTX_INCLUDE_FPREGS \
@@ -1074,6 +1081,7 @@
         ENABLE_TRBE_FOR_NS \
         ENABLE_SYS_REG_TRACE_FOR_NS \
         ENABLE_TRF_FOR_NS \
+        ENABLE_FEAT_HCX \
 )))
 
 ifeq (${SANITIZE_UB},trap)
@@ -1103,9 +1111,6 @@
 # Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
 ifeq (${SPD},spmd)
 ifdef SP_LAYOUT_FILE
-        ifeq (${SPMD_SPM_AT_SEL2},0)
-            $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE")
-        endif
         -include $(BUILD_PLAT)/sp_gen.mk
         FIP_DEPS += sp
         CRT_DEPS += sp
diff --git a/bl31/bl31_main.c b/bl31/bl31_main.c
index 44bf32c..f272af5 100644
--- a/bl31/bl31_main.c
+++ b/bl31/bl31_main.c
@@ -85,6 +85,15 @@
 	/* Perform late platform-specific setup */
 	bl31_plat_arch_setup();
 
+#if ENABLE_FEAT_HCX
+	/*
+	 * Assert that FEAT_HCX is supported on this system, without this check
+	 * an exception would occur during context save/restore if enabled but
+	 * not supported.
+	 */
+	assert(is_feat_hcx_present());
+#endif /* ENABLE_FEAT_HCX */
+
 #if CTX_INCLUDE_PAUTH_REGS
 	/*
 	 * Assert that the ARMv8.3-PAuth registers are present or an access
diff --git a/docs/about/maintainers.rst b/docs/about/maintainers.rst
index 07f258c..1bd4666 100644
--- a/docs/about/maintainers.rst
+++ b/docs/about/maintainers.rst
@@ -535,7 +535,10 @@
 ^^^^^^^^^^^^^^^^^
 :|M|: Saurabh Gorecha <sgorecha@codeaurora.org>
 :|G|: `sgorecha`_
-:|M|: Debasish Mandal <dmandal@codeaurora.org>
+:|M|: Lachit Patel <lpatel@codeaurora.org>
+:|G|: `lachitp`_
+:|M|: Sreevyshanavi Kare <skare@codeaurora.org>
+:|G|: `sreekare`_
 :|M|: QTI TF Maintainers <qti.trustedfirmware.maintainers@codeaurora.org>
 :|F|: docs/plat/qti.rst
 :|F|: plat/qti/
@@ -732,6 +735,7 @@
 .. _jenswi-linaro: https://github.com/jenswi-linaro
 .. _jwerner-chromium: https://github.com/jwerner-chromium
 .. _kostapr: https://github.com/kostapr
+.. _lachitp: https://github.com/lachitp
 .. _ldts: https://github.com/ldts
 .. _marex: https://github.com/marex
 .. _masahir0y: https://github.com/masahir0y
@@ -750,6 +754,7 @@
 .. _shawnguo2: https://github.com/shawnguo2
 .. _smaeul: https://github.com/smaeul
 .. _soby-mathew: https://github.com/soby-mathew
+.. _sreekare: https://github.com/sreekare
 .. _thloh85-intel: https://github.com/thloh85-intel
 .. _thomas-arm: https://github.com/thomas-arm
 .. _TonyXie06: https://github.com/TonyXie06
diff --git a/docs/components/secure-partition-manager.rst b/docs/components/secure-partition-manager.rst
index f6a8828..fa51fe0 100644
--- a/docs/components/secure-partition-manager.rst
+++ b/docs/components/secure-partition-manager.rst
@@ -414,13 +414,17 @@
 
 The SPMC is loaded by BL2 as the BL32 image.
 
-The SPMC manifest is loaded by BL2 as the ``TOS_FW_CONFIG`` image.
+The SPMC manifest is loaded by BL2 as the ``TOS_FW_CONFIG`` image `[9]`_.
 
 BL2 passes the SPMC manifest address to BL31 through a register.
 
 At boot time, the SPMD in BL31 runs from the primary core, initializes the core
-contexts and launches the SPMC (BL32) passing the SPMC manifest address through
-a register.
+contexts and launches the SPMC (BL32) passing the following information through
+registers:
+
+- X0 holds the ``TOS_FW_CONFIG`` physical address (or SPMC manifest blob).
+- X1 holds the ``HW_CONFIG`` physical address.
+- X4 holds the currently running core linear id.
 
 Loading of SPs
 ~~~~~~~~~~~~~~
@@ -951,6 +955,10 @@
 
 [8] https://lists.trustedfirmware.org/pipermail/tf-a/2020-February/000296.html
 
+.. _[9]:
+
+[9] https://trustedfirmware-a.readthedocs.io/en/latest/design/firmware-design.html#dynamic-configuration-during-cold-boot
+
 --------------
 
 *Copyright (c) 2020-2021, Arm Limited and Contributors. All rights reserved.*
diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index bde6d97..80e7821 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -389,6 +389,10 @@
    Cortex-A710 CPU. This needs to be enabled for revisions r0p0, r1p0 and r2p0
    of the CPU and is still open.
 
+-  ``ERRATA_A710_2083908``: This applies errata 2083908 workaround to
+   Cortex-A710 CPU. This needs to be enabled for revision r2p0 of the CPU and
+   is still open.
+
 For Neoverse N2, the following errata build flags are defined :
 
 -  ``ERRATA_N2_2067956``: This applies errata 2067956 workaround to Neoverse-N2
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 115b2b2..7fe6ccd 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -55,6 +55,9 @@
 -  ``BL2_AT_EL3``: This is an optional build option that enables the use of
    BL2 at EL3 execution level.
 
+-  ``BL2_ENABLE_SP_LOAD``: Boolean option to enable loading SP packages from the
+   FIP. Automatically enabled if ``SP_LAYOUT_FILE`` is provided.
+
 -  ``BL2_IN_XIP_MEM``: In some use-cases BL2 will be stored in eXecute In Place
    (XIP) memory, like BL1. In these use-cases, it is necessary to initialize
    the RW sections in RAM, while leaving the RO sections in place. This option
@@ -235,6 +238,10 @@
    builds, but this behaviour can be overridden in each platform's Makefile or
    in the build command line.
 
+-  ``ENABLE_FEAT_HCX``: This option sets the bit SCR_EL3.HXEn in EL3 to allow
+   access to HCRX_EL2 (extended hypervisor control register) from EL2 as well as
+   adding HCRX_EL2 to the EL2 context save/restore operations.
+
 -  ``ENABLE_LTO``: Boolean option to enable Link Time Optimization (LTO)
    support in GCC for TF-A. This option is currently only supported for
    AArch64. Default is 0.
diff --git a/docs/plat/nxp/nxp-layerscape.rst b/docs/plat/nxp/nxp-layerscape.rst
index 3d98354..9a470e6 100644
--- a/docs/plat/nxp/nxp-layerscape.rst
+++ b/docs/plat/nxp/nxp-layerscape.rst
@@ -5,22 +5,62 @@
 
 The QorIQ family of ARM based SoCs that are supported on TF-A are:
 
-1. LX2160ARDB:
-        Platform Name:
+1. LX2160A
 
-        a. lx2160ardb (Board details can be fetched from the link: `lx2160ardb`_)
+- SoC Overview:
 
+The LX2160A multicore processor, the highest-performance member of the
+Layerscape family, combines FinFET process technology's low power and
+sixteen Arm® Cortex®-A72 cores with datapath acceleration optimized for
+L2/3 packet processing, together with security offload, robust traffic
+management and quality of service.
+
+Details about LX2160A can be found at `lx2160a`_.
+
+- LX2160ARDB Board:
+
+The LX2160A reference design board provides a comprehensive platform
+that enables design and evaluation of the LX2160A or LX2162A processors. It
+comes preloaded with a board support package (BSP) based on a standard Linux
+kernel.
+
+Board details can be fetched from the link: `lx2160ardb`_.
+
+2. LS1028A
+
+- SoC Overview:
+
+The Layerscape LS1028A applications processor for industrial and
+automotive includes a time-sensitive networking (TSN) -enabled Ethernet
+switch and Ethernet controllers to support converged IT and OT networks.
+Two powerful 64-bit Arm®v8 cores support real-time processing for
+industrial control and virtual machines for edge computing in the IoT.
+The integrated GPU and LCD controller enable Human-Machine Interface
+(HMI) systems with next-generation interfaces.
+
+Details about LS1028A can be found at `ls1028a`_.
+
+- LS1028ARDB Boards:
+
+The LS1028A reference design board (RDB) is a computing, evaluation,
+and development platform that supports industrial IoT applications, human
+machine interface solutions, and industrial networking.
+
+Details about LS1028A RDB board can be found at `ls1028ardb`_.
 
 Table of supported boot-modes by each platform & platform that needs FIP-DDR:
 -----------------------------------------------------------------------------
 
-+---+-----------------+-------+--------+-------+-------+-------+-------------+--------------+-----------------+
-|   |     BOOT_MODE-->|  sd   |  qspi  |  nor  | nand  | emmc  | flexspi_nor | flexspi_nand | fip_ddr needed  |
-|   |                 |       |        |       |       |       |             |              |                 |
-|   |     PLAT        |       |        |       |       |       |             |              |                 |
-+===+=================+=======+========+=======+=======+=======+=============+==============+=================+
-| 1.| lx2160ardb      |  yes  |        |       |       |  yes  |   yes       |              |       yes       |
-+---+-----------------+-------+--------+-------+-------+-------+-------------+--------------+-----------------+
++---------------------+---------------------------------------------------------------------+-----------------+
+|                     |                            BOOT_MODE                                |                 |
+|       PLAT          +-------+--------+-------+-------+-------+-------------+--------------+ fip_ddr_needed  |
+|                     |  sd   |  qspi  |  nor  | nand  | emmc  | flexspi_nor | flexspi_nand |                 |
++=====================+=======+========+=======+=======+=======+=============+==============+=================+
+|     lx2160ardb      |  yes  |        |       |       |  yes  |   yes       |              |       yes       |
++---------------------+-------+--------+-------+-------+-------+-------------+--------------+-----------------+
+|     ls1028ardb      |  yes  |        |       |       |  yes  |   yes       |              |       no        |
++---------------------+-------+--------+-------+-------+-------+-------------+--------------+-----------------+
+
 
 Boot Sequence
 -------------
@@ -54,6 +94,32 @@
 + EL3     BootROM --> BL2 -----> BL31 ---------------/
 +
 
+DDR Memory Layout
+--------------------------
+
+NXP Platforms divide DRAM into banks:
+
+- DRAM0 Bank:  Maximum size of this bank is fixed to 2GB, DRAM0 size is defined in platform_def.h if it is less than 2GB.
+
+- DRAM1 ~ DRAMn Bank:  Greater than 2GB belongs to DRAM1 and following banks, and size of DRAMn Bank varies for one platform to others.
+
+The following diagram is default DRAM0 memory layout in which secure memory is at top of DRAM0.
+
+::
+
+  high  +---------------------------------------------+
+        |                                             |
+        |   Secure EL1 Payload Shared Memory (2 MB)   |
+        |                                             |
+        +---------------------------------------------+
+        |                                             |
+        |            Secure Memory (64 MB)            |
+        |                                             |
+        +---------------------------------------------+
+        |                                             |
+        |             Non Secure Memory               |
+        |                                             |
+  low   +---------------------------------------------+
 
 How to build
 =============
@@ -228,5 +294,8 @@
 Refer `nxp-ls-tbbr.rst`_ for detailed user steps.
 
 
+.. _lx2160a: https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/layerscape-processors/layerscape-lx2160a-lx2120a-lx2080a-processors:LX2160A
 .. _lx2160ardb: https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/layerscape-communication-process/layerscape-lx2160a-multicore-communications-processor:LX2160A
+.. _ls1028a: https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/layerscape-processors/layerscape-1028a-applications-processor:LS1028A
+.. _ls1028ardb: https://www.nxp.com/design/qoriq-developer-resources/layerscape-ls1028a-reference-design-board:LS1028ARDB
 .. _nxp-ls-tbbr.rst: ./nxp-ls-tbbr.rst
diff --git a/docs/plat/qti.rst b/docs/plat/qti.rst
index 814e672..1d483e7 100644
--- a/docs/plat/qti.rst
+++ b/docs/plat/qti.rst
@@ -1,8 +1,8 @@
 Qualcomm Technologies, Inc.
 ===========================
 
-Trusted Firmware-A (TF-A) implements the EL3 firmware layer for QTI SC7180.
-
+Trusted Firmware-A (TF-A) implements the EL3 firmware layer for QTI SC7180,
+SC7280.
 
 Boot Trace
 -------------
@@ -38,4 +38,6 @@
 added to satisfy compilation.
 
 QTISELIB for SC7180 is available at
-`link <https://review.coreboot.org/cgit/qc_blobs.git/plain/sc7180/qtiseclib/libqtisec.a>`__
+`link <https://github.com/coreboot/qc_blobs/blob/master/sc7180/qtiseclib/libqtisec.a?raw=true>`__
+QTISELIB for SC7280 is available at
+`link <https://github.com/coreboot/qc_blobs/blob/master/sc7280/qtiseclib/libqtisec.a?raw=true>`__
diff --git a/drivers/arm/tzc/tzc400.c b/drivers/arm/tzc/tzc400.c
index f1dacbb..e4fc8c9 100644
--- a/drivers/arm/tzc/tzc400.c
+++ b/drivers/arm/tzc/tzc400.c
@@ -291,6 +291,11 @@
 	for (filter = 0U; filter < tzc400.num_filters; filter++) {
 		state = _tzc400_get_gate_keeper(tzc400.base, filter);
 		if (state != 0U) {
+			/* Filter 0 is special and cannot be disabled.
+			 * So here we allow it being already enabled. */
+			if (filter == 0U) {
+				continue;
+			}
 			/*
 			 * The TZC filter is already configured. Changing the
 			 * programmer's view in an active system can cause
@@ -312,14 +317,17 @@
 void tzc400_disable_filters(void)
 {
 	unsigned int filter;
+	unsigned int state;
+	unsigned int start = 0U;
 
 	assert(tzc400.base != 0U);
 
-	/*
-	 * We don't do the same state check as above as the Gatekeepers are
-	 * disabled after reset.
-	 */
-	for (filter = 0; filter < tzc400.num_filters; filter++)
+	/* Filter 0 is special and cannot be disabled. */
+	state = _tzc400_get_gate_keeper(tzc400.base, 0);
+	if (state != 0U) {
+		start++;
+	}
+	for (filter = start; filter < tzc400.num_filters; filter++)
 		_tzc400_set_gate_keeper(tzc400.base, filter, 0);
 }
 
diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index 9ea1114..d260ecf 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -281,6 +281,11 @@
 #define ID_AA64MMFR1_EL1_VHE_SHIFT		U(8)
 #define ID_AA64MMFR1_EL1_VHE_MASK		ULL(0xf)
 
+#define ID_AA64MMFR1_EL1_HCX_SHIFT              U(40)
+#define ID_AA64MMFR1_EL1_HCX_MASK               ULL(0xf)
+#define ID_AA64MMFR1_EL1_HCX_SUPPORTED          ULL(0x1)
+#define ID_AA64MMFR1_EL1_HCX_NOT_SUPPORTED      ULL(0x0)
+
 /* ID_AA64MMFR2_EL1 definitions */
 #define ID_AA64MMFR2_EL1		S3_0_C0_C7_2
 
@@ -429,6 +434,7 @@
 #define SCR_RES1_BITS		((U(1) << 4) | (U(1) << 5))
 #define SCR_TWEDEL_SHIFT	U(30)
 #define SCR_TWEDEL_MASK		ULL(0xf)
+#define SCR_HXEn_BIT            (UL(1) << 38)
 #define SCR_AMVOFFEN_BIT	(UL(1) << 35)
 #define SCR_TWEDEn_BIT		(UL(1) << 29)
 #define SCR_ECVEN_BIT		(UL(1) << 28)
@@ -1144,6 +1150,16 @@
 #define GCR_EL1			S3_0_C1_C0_6
 
 /*******************************************************************************
+ * FEAT_HCX - Extended Hypervisor Configuration Register
+ ******************************************************************************/
+#define HCRX_EL2                S3_4_C1_C2_2
+#define HCRX_EL2_FGTnXS_BIT     (UL(1) << 4)
+#define HCRX_EL2_FnXS_BIT       (UL(1) << 3)
+#define HCRX_EL2_EnASR_BIT      (UL(1) << 2)
+#define HCRX_EL2_EnALS_BIT      (UL(1) << 1)
+#define HCRX_EL2_EnAS0_BIT      (UL(1) << 0)
+
+/*******************************************************************************
  * Definitions for DynamicIQ Shared Unit registers
  ******************************************************************************/
 #define CLUSTERPWRDN_EL1	S3_0_c15_c3_6
diff --git a/include/arch/aarch64/arch_features.h b/include/arch/aarch64/arch_features.h
index dc0b7f3..3ff67e5 100644
--- a/include/arch/aarch64/arch_features.h
+++ b/include/arch/aarch64/arch_features.h
@@ -117,4 +117,10 @@
 		ID_AA64PFR1_MPAM_FRAC_SHIFT) & ID_AA64PFR1_MPAM_FRAC_MASK));
 }
 
+static inline bool is_feat_hcx_present(void)
+{
+	return (((read_id_aa64mmfr1_el1() >> ID_AA64MMFR1_EL1_HCX_SHIFT) &
+		ID_AA64MMFR1_EL1_HCX_MASK) == ID_AA64MMFR1_EL1_HCX_SUPPORTED);
+}
+
 #endif /* ARCH_FEATURES_H */
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index a41b325..549ae66 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -532,6 +532,9 @@
 DEFINE_SYSREG_READ_FUNC(rndr)
 DEFINE_SYSREG_READ_FUNC(rndrrs)
 
+/* FEAT_HCX Register */
+DEFINE_RENAME_SYSREG_RW_FUNCS(hcrx_el2, HCRX_EL2)
+
 /* DynamIQ Shared Unit power management */
 DEFINE_RENAME_SYSREG_RW_FUNCS(clusterpwrdn_el1, CLUSTERPWRDN_EL1)
 
diff --git a/include/drivers/nxp/dcfg/dcfg_lsch3.h b/include/drivers/nxp/dcfg/dcfg_lsch3.h
index 40f02c1..cde86fe 100644
--- a/include/drivers/nxp/dcfg/dcfg_lsch3.h
+++ b/include/drivers/nxp/dcfg/dcfg_lsch3.h
@@ -74,4 +74,7 @@
 #define DCFG_BOOTLOCPTRH_OFFSET			0x404
 #define DCFG_COREDISABLEDSR_OFFSET		0x990
 
+/* Reset module bit field */
+#define RSTCR_RESET_REQ         0x2
+
 #endif /*	DCFG_LSCH3_H	*/
diff --git a/include/drivers/nxp/flexspi/flash_info.h b/include/drivers/nxp/flexspi/flash_info.h
index 6df79c9..94c9f02 100644
--- a/include/drivers/nxp/flexspi/flash_info.h
+++ b/include/drivers/nxp/flexspi/flash_info.h
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 /*
- *  Copyright 2020 NXP
+ *  Copyright 2020-2021 NXP
  */
 
 /**
@@ -53,6 +53,16 @@
 #define F_SECTOR_ERASE_SZ		F_SECTOR_4K
 #endif
 
+#elif defined(CONFIG_MT35XU02G)
+#define F_SECTOR_128K			0x20000U
+#define F_PAGE_256			0x100U
+#define F_SECTOR_4K			0x1000U
+#define F_FLASH_SIZE_BYTES		0x10000000U
+#define F_SECTOR_ERASE_SZ		F_SECTOR_128K
+#ifdef CONFIG_FSPI_4K_ERASE
+#define F_SECTOR_ERASE_SZ		F_SECTOR_4K
+#endif
+
 #ifdef NXP_WARM_BOOT
 #define FLASH_WR_COMP_WAIT_BY_NOP_COUNT	0x20000
 #endif
diff --git a/include/lib/cpus/aarch64/cortex_a710.h b/include/lib/cpus/aarch64/cortex_a710.h
index 8b011aa..19394ba 100644
--- a/include/lib/cpus/aarch64/cortex_a710.h
+++ b/include/lib/cpus/aarch64/cortex_a710.h
@@ -13,7 +13,7 @@
  * CPU Extended Control register specific definitions
  ******************************************************************************/
 #define CORTEX_A710_CPUECTLR_EL1				S3_0_C15_C1_4
-#define CORTEX_A710_CPUECTLR_EL1_PFSTIDIS_BIT                   (ULL(1) << 8)
+#define CORTEX_A710_CPUECTLR_EL1_PFSTIDIS_BIT			(ULL(1) << 8)
 
 /*******************************************************************************
  * CPU Power Control register specific definitions
@@ -25,6 +25,12 @@
  * CPU Auxiliary Control register specific definitions.
  ******************************************************************************/
 #define CORTEX_A710_CPUACTLR_EL1 				S3_0_C15_C1_0
-#define CORTEX_A710_CPUACTLR_EL1_BIT_46 			(ULL(1) << 46)
+#define CORTEX_A710_CPUACTLR_EL1_BIT_46			(ULL(1) << 46)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A710_CPUACTLR5_EL1				S3_0_C15_C8_0
+#define CORTEX_A710_CPUACTLR5_EL1_BIT_13			(ULL(1) << 13)
 
 #endif /* CORTEX_A710_H */
diff --git a/include/lib/el3_runtime/aarch64/context.h b/include/lib/el3_runtime/aarch64/context.h
index d449a65..c3f4117 100644
--- a/include/lib/el3_runtime/aarch64/context.h
+++ b/include/lib/el3_runtime/aarch64/context.h
@@ -228,6 +228,10 @@
 
 // Starting with Armv8.5
 #define CTX_SCXTNUM_EL2		U(0x1e0)
+
+// Register for FEAT_HCX
+#define CTX_HCRX_EL2            U(0x1e8)
+
 /* Align to the next 16 byte boundary */
 #define CTX_EL2_SYSREGS_END	U(0x1f0)
 
diff --git a/include/services/ffa_svc.h b/include/services/ffa_svc.h
index ab36d9e..85ff703 100644
--- a/include/services/ffa_svc.h
+++ b/include/services/ffa_svc.h
@@ -128,6 +128,16 @@
 #define FFA_MEM_RETRIEVE_RESP	FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_RESP)
 #define FFA_MEM_RELINQUISH	FFA_FID(SMC_32, FFA_FNUM_MEM_RELINQUISH)
 #define FFA_MEM_RECLAIM	FFA_FID(SMC_32, FFA_FNUM_MEM_RECLAIM)
+#define FFA_NOTIFICATION_BITMAP_CREATE	\
+	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BITMAP_CREATE)
+#define FFA_NOTIFICATION_BITMAP_DESTROY	\
+	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BITMAP_DESTROY)
+#define FFA_NOTIFICATION_BIND	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BIND)
+#define FFA_NOTIFICATION_UNBIND FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_UNBIND)
+#define FFA_NOTIFICATION_SET 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_SET)
+#define FFA_NOTIFICATION_GET 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_GET)
+#define FFA_NOTIFICATION_INFO_GET \
+	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_INFO_GET)
 #define FFA_SPM_ID_GET		FFA_FID(SMC_32, FFA_FNUM_SPM_ID_GET)
 
 /* FFA SMC64 FIDs */
@@ -145,6 +155,8 @@
 	FFA_FID(SMC_64, FFA_FNUM_MEM_RETRIEVE_REQ)
 #define FFA_SECONDARY_EP_REGISTER_SMC64 \
 	FFA_FID(SMC_64, FFA_FNUM_SECONDARY_EP_REGISTER)
+#define FFA_NOTIFICATION_INFO_GET_SMC64 \
+	FFA_FID(SMC_64, FFA_FNUM_NOTIFICATION_INFO_GET)
 
 /*
  * Reserve a special value for traffic targeted to the Hypervisor or SPM.
diff --git a/lib/cpus/aarch64/cortex_a710.S b/lib/cpus/aarch64/cortex_a710.S
index 75b7647..f6a4209 100644
--- a/lib/cpus/aarch64/cortex_a710.S
+++ b/lib/cpus/aarch64/cortex_a710.S
@@ -160,6 +160,34 @@
 	b       cpu_rev_var_ls
 endfunc check_errata_2017096
 
+
+/* ---------------------------------------------------------------------
+ * Errata Workaround for Cortex-A710 Erratum 2083908.
+ * This applies to revision r2p0 of Cortex-A710 and is still open.
+ * Inputs:
+ * x0: variant[4:7] and revision[0:3] of current cpu.
+ * Shall clobber: x0-x17
+ * ---------------------------------------------------------------------
+ */
+func errata_a710_2083908_wa
+	/* Compare x0 against revision r2p0 */
+	mov	x17, x30
+	bl	check_errata_2083908
+	cbz	x0, 1f
+	mrs	x1, CORTEX_A710_CPUACTLR5_EL1
+	orr	x1, x1, CORTEX_A710_CPUACTLR5_EL1_BIT_13
+	msr	CORTEX_A710_CPUACTLR5_EL1, x1
+1:
+	ret	x17
+endfunc errata_a710_2083908_wa
+
+func check_errata_2083908
+	/* Applies to r2p0 */
+	mov	x1, #CPU_REV(2, 0)
+	mov	x2, #CPU_REV(2, 0)
+	b	cpu_rev_var_range
+endfunc check_errata_2083908
+
 	/* ----------------------------------------------------
 	 * HW will do the cache maintenance while powering down
 	 * ----------------------------------------------------
@@ -194,6 +222,7 @@
 	report_errata ERRATA_A710_2081180, cortex_a710, 2081180
 	report_errata ERRATA_A710_2055002, cortex_a710, 2055002
 	report_errata ERRATA_A710_2017096, cortex_a710, 2017096
+	report_errata ERRATA_A710_2083908, cortex_a710, 2083908
 
 	ldp	x8, x30, [sp], #16
 	ret
@@ -225,8 +254,13 @@
 #endif
 
 #if ERRATA_A710_2017096
-	mov     x0, x18
-	bl      errata_a710_2017096_wa
+	mov	x0, x18
+	bl	errata_a710_2017096_wa
+#endif
+
+#if ERRATA_A710_2083908
+	mov	x0, x18
+	bl	errata_a710_2083908_wa
 #endif
 	isb
 	ret	x19
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 6103a5a..fd34dcb 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -425,6 +425,10 @@
 # to revisions r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is still open.
 ERRATA_A710_2081180	?=0
 
+# Flag to apply erratum 2083908 workaround during reset. This erratum applies
+# to revision r2p0 of the Cortex-A710 cpu and is still open.
+ERRATA_A710_2083908	?=0
+
 # Flag to apply erratum 2067956 workaround during reset. This erratum applies
 # to revision r0p0 of the Neoverse N2 cpu and is still open.
 ERRATA_N2_2067956	?=0
@@ -806,6 +810,10 @@
 $(eval $(call assert_boolean,ERRATA_A710_2081180))
 $(eval $(call add_define,ERRATA_A710_2081180))
 
+# Process ERRATA_A710_2083908 flag
+$(eval $(call assert_boolean,ERRATA_A710_2083908))
+$(eval $(call add_define,ERRATA_A710_2083908))
+
 # Process ERRATA_N2_2067956 flag
 $(eval $(call assert_boolean,ERRATA_N2_2067956))
 $(eval $(call add_define,ERRATA_N2_2067956))
diff --git a/lib/el3_runtime/aarch64/context.S b/lib/el3_runtime/aarch64/context.S
index 40e7ddf..e270ad0 100644
--- a/lib/el3_runtime/aarch64/context.S
+++ b/lib/el3_runtime/aarch64/context.S
@@ -193,6 +193,11 @@
 	str	x13, [x0, #CTX_SCXTNUM_EL2]
 #endif
 
+#if ENABLE_FEAT_HCX
+	mrs	x14, hcrx_el2
+	str	x14, [x0, #CTX_HCRX_EL2]
+#endif
+
 	ret
 endfunc el2_sysregs_context_save
 
@@ -362,6 +367,11 @@
 	msr	scxtnum_el2, x13
 #endif
 
+#if ENABLE_FEAT_HCX
+	ldr	x14, [x0, #CTX_HCRX_EL2]
+	msr	hcrx_el2, x14
+#endif
+
 	ret
 endfunc el2_sysregs_context_restore
 
diff --git a/lib/el3_runtime/aarch64/context_mgmt.c b/lib/el3_runtime/aarch64/context_mgmt.c
index 52102dd..08022d4 100644
--- a/lib/el3_runtime/aarch64/context_mgmt.c
+++ b/lib/el3_runtime/aarch64/context_mgmt.c
@@ -112,6 +112,14 @@
 	if (EP_GET_ST(ep->h.attr) != 0U)
 		scr_el3 |= SCR_ST_BIT;
 
+	/*
+	 * If FEAT_HCX is enabled, enable access to HCRX_EL2 by setting
+	 * SCR_EL3.HXEn.
+	 */
+#if ENABLE_FEAT_HCX
+	scr_el3 |= SCR_HXEn_BIT;
+#endif
+
 #if RAS_TRAP_LOWER_EL_ERR_ACCESS
 	/*
 	 * SCR_EL3.TERR: Trap Error record accesses. Accesses to the RAS ERR
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index c188621..8b350db 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -32,6 +32,9 @@
 # Execute BL2 at EL3
 BL2_AT_EL3			:= 0
 
+# Only use SP packages if SP layout JSON is defined
+BL2_ENABLE_SP_LOAD		:= 0
+
 # BL2 image is stored in XIP memory, for now, this option is only supported
 # when BL2_AT_EL3 is 1.
 BL2_IN_XIP_MEM			:= 0
@@ -121,6 +124,9 @@
 # Use BRANCH_PROTECTION to enable PAUTH.
 ENABLE_PAUTH			:= 0
 
+# Flag to enable access to the HCRX_EL2 register by setting SCR_EL3.HXEn.
+ENABLE_FEAT_HCX                 := 0
+
 # By default BL31 encryption disabled
 ENCRYPT_BL31			:= 0
 
diff --git a/plat/arm/board/fvp/fdts/optee_sp_manifest.dts b/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
index 07235b0..551efe6 100644
--- a/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
+++ b/plat/arm/board/fvp/fdts/optee_sp_manifest.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2021, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -16,7 +16,7 @@
 	/* Properties */
 	description = "op-tee";
 	ffa-version = <0x00010000>; /* 31:16 - Major, 15:0 - Minor */
-	uuid = <0x486178e0 0xe7f811e3 0xbc5e0002 0xa5d5c51b>;
+	uuid = <0xe0786148 0xe311f8e7 0x02005ebc 0x1bc5d5a5>;
 	id = <1>;
 	execution-ctx-count = <8>;
 	exception-level = <2>; /* S-EL1 */
@@ -25,8 +25,9 @@
 	entrypoint-offset = <0x1000>;
 	xlat-granule = <0>; /* 4KiB */
 	boot-order = <0>;
-	messaging-method = <3>; /* Direct messaging only */
-	run-time-model = <1>; /* Run to completion */
+	messaging-method = <0x3>; /* Direct request/response supported. */
+	managed-exit;
+	run-time-model = <1>; /* SP pre-emptible. */
 
 	/* Boot protocol */
 	gp-register-num = <0x0>;
diff --git a/plat/arm/common/arm_bl2_setup.c b/plat/arm/common/arm_bl2_setup.c
index 26af383..5b26a1d 100644
--- a/plat/arm/common/arm_bl2_setup.c
+++ b/plat/arm/common/arm_bl2_setup.c
@@ -233,7 +233,7 @@
  ******************************************************************************/
 int arm_bl2_plat_handle_post_image_load(unsigned int image_id)
 {
-#if defined(SPD_spmd) && SPMD_SPM_AT_SEL2
+#if defined(SPD_spmd) && BL2_ENABLE_SP_LOAD
 	/* For Secure Partitions we don't need post processing */
 	if ((image_id >= (MAX_NUMBER_IDS - MAX_SP_IDS)) &&
 		(image_id < MAX_NUMBER_IDS)) {
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index 4d5e8b4..58060db 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -217,7 +217,7 @@
 ARM_IO_SOURCES		+=	plat/arm/common/arm_io_storage.c		\
 				plat/arm/common/fconf/arm_fconf_io.c
 ifeq (${SPD},spmd)
-    ifeq (${SPMD_SPM_AT_SEL2},1)
+    ifeq (${BL2_ENABLE_SP_LOAD},1)
          ARM_IO_SOURCES		+=	plat/arm/common/fconf/arm_fconf_sp.c
     endif
 endif
diff --git a/plat/arm/common/arm_image_load.c b/plat/arm/common/arm_image_load.c
index ebf6dff..c411c6c 100644
--- a/plat/arm/common/arm_image_load.c
+++ b/plat/arm/common/arm_image_load.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -32,7 +32,7 @@
 		next_bl_params_cpy_ptr);
 }
 
-#if defined(SPD_spmd) && SPMD_SPM_AT_SEL2
+#if defined(SPD_spmd) && BL2_ENABLE_SP_LOAD
 /*******************************************************************************
  * This function appends Secure Partitions to list of loadable images.
  ******************************************************************************/
@@ -76,7 +76,7 @@
  ******************************************************************************/
 struct bl_load_info *plat_get_bl_image_load_info(void)
 {
-#if defined(SPD_spmd) && SPMD_SPM_AT_SEL2
+#if defined(SPD_spmd) && BL2_ENABLE_SP_LOAD
 	bl_load_info_t *bl_load_info;
 
 	bl_load_info = get_bl_load_info_from_mem_params_desc();
diff --git a/plat/arm/css/sgi/aarch64/sgi_helper.S b/plat/arm/css/sgi/aarch64/sgi_helper.S
index 04bfb77..ced59e8 100644
--- a/plat/arm/css/sgi/aarch64/sgi_helper.S
+++ b/plat/arm/css/sgi/aarch64/sgi_helper.S
@@ -9,6 +9,8 @@
 #include <platform_def.h>
 #include <cortex_a75.h>
 #include <neoverse_n1.h>
+#include <neoverse_v1.h>
+#include <neoverse_n2.h>
 #include <cpu_macros.S>
 
 	.globl	plat_arm_calc_core_pos
@@ -66,6 +68,8 @@
 func plat_reset_handler
 	jump_if_cpu_midr CORTEX_A75_MIDR, A75
 	jump_if_cpu_midr NEOVERSE_N1_MIDR, N1
+	jump_if_cpu_midr NEOVERSE_V1_MIDR, V1
+	jump_if_cpu_midr NEOVERSE_N2_MIDR, N2
 	ret
 
 	/* -----------------------------------------------------
@@ -85,4 +89,18 @@
 	msr	NEOVERSE_N1_CPUPWRCTLR_EL1, x0
 	isb
 	ret
+
+V1:
+	mrs	x0, NEOVERSE_V1_CPUPWRCTLR_EL1
+	bic	x0, x0, #NEOVERSE_V1_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+	msr	NEOVERSE_V1_CPUPWRCTLR_EL1, x0
+	isb
+	ret
+
+N2:
+	mrs	x0, NEOVERSE_N2_CPUPWRCTLR_EL1
+	bic	x0, x0, #NEOVERSE_N2_CORE_PWRDN_EN_BIT
+	msr	NEOVERSE_N2_CPUPWRCTLR_EL1, x0
+	isb
+	ret
 endfunc plat_reset_handler
diff --git a/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c b/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c
index 2a9a789..6a85b5c 100644
--- a/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c
+++ b/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c
@@ -465,13 +465,17 @@
 	switch (gear) {
 	case 3:
 		ret_val = vcore_opp_0_uv;
+		break;
 	case 2:
 		ret_val = vcore_opp_1_uv;
+		break;
 	case 1:
 		ret_val = vcore_opp_2_uv;
+		break;
 	case 0:
 	default:
 		ret_val = vcore_opp_3_uv;
+		break;
 	}
 	return ret_val;
 }
diff --git a/plat/nxp/common/include/default/ch_3_2/soc_default_base_addr.h b/plat/nxp/common/include/default/ch_3_2/soc_default_base_addr.h
index 08300b0..0a4228b 100644
--- a/plat/nxp/common/include/default/ch_3_2/soc_default_base_addr.h
+++ b/plat/nxp/common/include/default/ch_3_2/soc_default_base_addr.h
@@ -23,6 +23,9 @@
 /* MMU 500 soc.c*/
 #define NXP_SMMU_ADDR			0x05000000
 
+/* CCI400 base address */
+#define NXP_CCI_ADDR			0x04090000
+
 #define NXP_SNVS_ADDR			0x01E90000
 
 #define NXP_DCFG_ADDR			0x01E00000
@@ -81,4 +84,5 @@
 #define NXP_CCN_HNI_ADDR		0x04080000
 #define NXP_CCN_HN_F_0_ADDR		0x04200000
 
+#define NXP_EPU_ADDR			0x700060000
 #endif	/*	SOC_DEFAULT_BASE_ADDR_H		*/
diff --git a/plat/nxp/common/include/default/ch_3_2/soc_default_helper_macros.h b/plat/nxp/common/include/default/ch_3_2/soc_default_helper_macros.h
index cdc823a..8de516e 100644
--- a/plat/nxp/common/include/default/ch_3_2/soc_default_helper_macros.h
+++ b/plat/nxp/common/include/default/ch_3_2/soc_default_helper_macros.h
@@ -39,6 +39,10 @@
 
 #endif /* NXP_RESET_ADDR */
 
+/* secmon register offsets and bitfields */
+#define SECMON_HPCOMR_OFFSET	0x4
+#define SECMON_HPCOMR_NPSWAEN	0x80000000
+
 /* Secure-Register-File register offsets and bit masks */
 #ifdef NXP_RST_ADDR
 /* Register Offset */
diff --git a/plat/nxp/common/include/default/plat_default_def.h b/plat/nxp/common/include/default/plat_default_def.h
index dd5dfe0..43320bb 100644
--- a/plat/nxp/common/include/default/plat_default_def.h
+++ b/plat/nxp/common/include/default/plat_default_def.h
@@ -40,8 +40,12 @@
 #define NXP_NS_DRAM_ADDR	NXP_DRAM0_ADDR
 #endif
 
-/* 64M is reserved for Secure memory
- */
+/* 1 MB is reserved for dma of sd */
+#ifndef NXP_SD_BLOCK_BUF_SIZE
+#define NXP_SD_BLOCK_BUF_SIZE	(1 * 1024 * 1024)
+#endif
+
+/* 64MB is reserved for Secure memory */
 #ifndef NXP_SECURE_DRAM_SIZE
 #define NXP_SECURE_DRAM_SIZE	(64 * 1024 * 1024)
 #endif
@@ -57,18 +61,22 @@
 				(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE))
 #endif
 
+#ifndef NXP_SD_BLOCK_BUF_ADDR
+#define NXP_SD_BLOCK_BUF_ADDR	(NXP_NS_DRAM_ADDR)
+#endif
+
 #ifndef NXP_SECURE_DRAM_ADDR
 #ifdef TEST_BL31
 #define NXP_SECURE_DRAM_ADDR 0
 #else
 #define NXP_SECURE_DRAM_ADDR	(NXP_NS_DRAM_ADDR + PLAT_DEF_DRAM0_SIZE - \
-				(NXP_SECURE_DRAM_SIZE  + NXP_SP_SHRD_DRAM_SIZE))
+				(NXP_SECURE_DRAM_SIZE + NXP_SP_SHRD_DRAM_SIZE))
 #endif
 #endif
 
 #ifndef NXP_SP_SHRD_DRAM_ADDR
-#define NXP_SP_SHRD_DRAM_ADDR	(NXP_NS_DRAM_ADDR + PLAT_DEF_DRAM0_SIZE \
-				- NXP_SP_SHRD_DRAM_SIZE)
+#define NXP_SP_SHRD_DRAM_ADDR	(NXP_NS_DRAM_ADDR + PLAT_DEF_DRAM0_SIZE - \
+				NXP_SP_SHRD_DRAM_SIZE)
 #endif
 
 #ifndef BL31_BASE
diff --git a/plat/nxp/common/psci/aarch64/psci_utils.S b/plat/nxp/common/psci/aarch64/psci_utils.S
index ea2abbf..ec69aea 100644
--- a/plat/nxp/common/psci/aarch64/psci_utils.S
+++ b/plat/nxp/common/psci/aarch64/psci_utils.S
@@ -1,6 +1,6 @@
 
 /*
- * Copyright 2018-2020 NXP
+ * Copyright 2018-2021 NXP
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -234,7 +234,7 @@
 	msr DAIFSet, #0xF
 
 	/* read cpuectlr and save current value */
-	mrs   x4, CORTEX_A72_ECTLR_EL1
+	mrs   x4, CPUECTLR_EL1
 	mov   x1, #CPUECTLR_DATA
 	mov   x2, x4
 	mov   x0, x10
@@ -242,7 +242,7 @@
 
 	/* remove the core from coherency */
 	bic   x4, x4, #CPUECTLR_SMPEN_MASK
-	msr   CORTEX_A72_ECTLR_EL1, x4
+	msr   CPUECTLR_EL1, x4
 
 	/* save scr_el3 */
 	mov  x0, x10
@@ -339,7 +339,7 @@
 	mov   x1, #CPUECTLR_DATA
 	bl    _getCoreData
 	orr   x0, x0, #CPUECTLR_SMPEN_MASK
-	msr   CORTEX_A72_ECTLR_EL1, x0
+	msr   CPUECTLR_EL1, x0
 
 	/* x4 = core mask */
 
@@ -563,7 +563,7 @@
 	/* save cpuectlr */
 	mov  x0, x6
 	mov  x1, #CPUECTLR_DATA
-	mrs  x2, CORTEX_A72_ECTLR_EL1
+	mrs  x2, CPUECTLR_EL1
 	bl   _setCoreData
 
 	/* x6 = core mask */
@@ -640,7 +640,7 @@
 	bl   _getCoreData
 	/* make sure smp is set */
 	orr  x0, x0, #CPUECTLR_SMPEN_MASK
-	msr  CORTEX_A72_ECTLR_EL1, x0
+	msr  CPUECTLR_EL1, x0
 
 	/* x5 = core mask */
 
@@ -780,13 +780,13 @@
 	/* save cpuectlr */
 	mov  x0, x6
 	mov  x1, #CPUECTLR_DATA
-	mrs  x2, CORTEX_A72_ECTLR_EL1
+	mrs  x2, CPUECTLR_EL1
 	mov  x4, x2
 	bl   _setCoreData
 
 	/* remove core from coherency */
 	bic   x4, x4, #CPUECTLR_SMPEN_MASK
-	msr   CORTEX_A72_ECTLR_EL1, x4
+	msr   CPUECTLR_EL1, x4
 
 	/* x6 = core mask */
 
@@ -844,7 +844,7 @@
 	bl   _getCoreData
 	/* make sure smp is set */
 	orr  x0, x0, #CPUECTLR_SMPEN_MASK
-	msr  CORTEX_A72_ECTLR_EL1, x0
+	msr  CPUECTLR_EL1, x0
 
 	/* x4 = core mask */
 
@@ -985,13 +985,13 @@
 	/* save cpuectlr */
 	mov  x0, x6
 	mov  x1, #CPUECTLR_DATA
-	mrs  x2, CORTEX_A72_ECTLR_EL1
+	mrs  x2, CPUECTLR_EL1
 	mov  x4, x2
 	bl   _setCoreData
 
 	/* remove core from coherency */
 	bic   x4, x4, #CPUECTLR_SMPEN_MASK
-	msr   CORTEX_A72_ECTLR_EL1, x4
+	msr   CPUECTLR_EL1, x4
 
 	/* x6 = core mask */
 
@@ -1071,7 +1071,7 @@
 
 	/* make sure smp is set */
 	orr  x0, x0, #CPUECTLR_SMPEN_MASK
-	msr  CORTEX_A72_ECTLR_EL1, x0
+	msr  CPUECTLR_EL1, x0
 
 	/* x4 = core mask */
 
diff --git a/plat/nxp/common/psci/include/plat_psci.h b/plat/nxp/common/psci/include/plat_psci.h
index 97d4c97..7fc48fb 100644
--- a/plat/nxp/common/psci/include/plat_psci.h
+++ b/plat/nxp/common/psci/include/plat_psci.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2020 NXP
+ * Copyright 2018-2021 NXP
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -7,6 +7,8 @@
 
 #ifndef PLAT_PSCI_H
 #define PLAT_PSCI_H
+#include <cortex_a53.h>
+#include <cortex_a72.h>
 
  /* core abort current op */
 #define CORE_ABORT_OP     0x1
@@ -55,6 +57,7 @@
 #define  CPUECTLR_RET_SET       0x2
 #define  CPUECTLR_TIMER_MASK    0x7
 #define  CPUECTLR_TIMER_8TICKS  0x2
+#define  CPUECTLR_TIMER_2TICKS  0x1
 #define  SCR_IRQ_MASK           0x2
 #define  SCR_FIQ_MASK           0x4
 
@@ -62,18 +65,53 @@
  *   value == 0x0, the soc code does not support this feature
  *   value != 0x0, the soc code supports this feature
  */
+#ifndef SOC_CORE_RELEASE
 #define SOC_CORE_RELEASE      0x1
+#endif
+
+#ifndef SOC_CORE_RESTART
 #define SOC_CORE_RESTART      0x1
+#endif
+
+#ifndef SOC_CORE_OFF
 #define SOC_CORE_OFF          0x1
+#endif
+
+#ifndef SOC_CORE_STANDBY
 #define SOC_CORE_STANDBY      0x1
+#endif
+
+#ifndef SOC_CORE_PWR_DWN
 #define SOC_CORE_PWR_DWN      0x1
+#endif
+
+#ifndef SOC_CLUSTER_STANDBY
 #define SOC_CLUSTER_STANDBY   0x1
+#endif
+
+#ifndef SOC_CLUSTER_PWR_DWN
 #define SOC_CLUSTER_PWR_DWN   0x1
+#endif
+
+#ifndef SOC_SYSTEM_STANDBY
 #define SOC_SYSTEM_STANDBY    0x1
+#endif
+
+#ifndef SOC_SYSTEM_PWR_DWN
 #define SOC_SYSTEM_PWR_DWN    0x1
+#endif
+
+#ifndef SOC_SYSTEM_OFF
 #define SOC_SYSTEM_OFF        0x1
+#endif
+
+#ifndef SOC_SYSTEM_RESET
 #define SOC_SYSTEM_RESET      0x1
+#endif
+
+#ifndef SOC_SYSTEM_RESET2
 #define SOC_SYSTEM_RESET2     0x1
+#endif
 
 #ifndef __ASSEMBLER__
 
diff --git a/plat/nxp/common/setup/core.mk b/plat/nxp/common/setup/core.mk
index 9b81f2d..82ce30e 100644
--- a/plat/nxp/common/setup/core.mk
+++ b/plat/nxp/common/setup/core.mk
@@ -1,4 +1,4 @@
-# Copyright 2018-2020 NXP
+# Copyright 2018-2021 NXP
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -11,9 +11,11 @@
 
 CPU_LIBS		:=	lib/cpus/${ARCH}/aem_generic.S
 
-ifeq (,$(filter $(CORE_TYPE),a53 a55 a57 a72 a75))
+ifeq (,$(filter $(CORE_TYPE),a53 a72))
 $(error "CORE_TYPE not specified or incorrect")
 else
+UPPER_CORE_TYPE=$(shell echo $(CORE_TYPE) | tr a-z A-Z)
+$(eval $(call add_define_val,CPUECTLR_EL1,CORTEX_$(UPPER_CORE_TYPE)_ECTLR_EL1))
 CPU_LIBS		+=	lib/cpus/${ARCH}/cortex_$(CORE_TYPE).S
 endif
 
diff --git a/plat/nxp/soc-ls1028a/aarch64/ls1028a.S b/plat/nxp/soc-ls1028a/aarch64/ls1028a.S
new file mode 100644
index 0000000..404c39e
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/aarch64/ls1028a.S
@@ -0,0 +1,1387 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+	.section .text, "ax"
+
+#include <asm_macros.S>
+
+#include <lib/psci/psci.h>
+#include <nxp_timer.h>
+#include <plat_gic.h>
+#include <pmu.h>
+
+#include <bl31_data.h>
+#include <plat_psci.h>
+#include <platform_def.h>
+
+	.global soc_init_lowlevel
+	.global soc_init_percpu
+	.global _set_platform_security
+	.global _soc_set_start_addr
+
+	.global _soc_core_release
+	.global _soc_ck_disabled
+	.global _soc_core_restart
+	.global _soc_core_prep_off
+	.global _soc_core_entr_off
+	.global _soc_core_exit_off
+	.global _soc_sys_reset
+	.global _soc_sys_off
+	.global _soc_core_prep_stdby
+	.global _soc_core_entr_stdby
+	.global _soc_core_exit_stdby
+	.global _soc_core_prep_pwrdn
+	.global _soc_core_entr_pwrdn
+	.global _soc_core_exit_pwrdn
+	.global _soc_clstr_prep_stdby
+	.global _soc_clstr_exit_stdby
+	.global _soc_clstr_prep_pwrdn
+	.global _soc_clstr_exit_pwrdn
+	.global _soc_sys_prep_stdby
+	.global _soc_sys_exit_stdby
+	.global _soc_sys_prep_pwrdn
+	.global _soc_sys_pwrdn_wfi
+	.global _soc_sys_exit_pwrdn
+
+	.equ TZPCDECPROT_0_SET_BASE, 0x02200804
+	.equ TZPCDECPROT_1_SET_BASE, 0x02200810
+	.equ TZPCDECPROT_2_SET_BASE, 0x0220081C
+
+	.equ TZASC_REGION_ATTRIBUTES_0_0, 0x01100110
+
+/*
+ * This function initialize the soc.
+ * in: void
+ * out: void
+ * uses x0 - x11
+ */
+func soc_init_lowlevel
+	/*
+	 * Called from C, so save the non-volatile regs
+	 * save these as pairs of registers to maintain the
+	 * required 16-byte alignment on the stack
+	 */
+	stp	x4,  x5,  [sp, #-16]!
+	stp	x6,  x7,  [sp, #-16]!
+	stp	x8,  x9,  [sp, #-16]!
+	stp	x10, x11, [sp, #-16]!
+	stp	x12, x13, [sp, #-16]!
+	stp	x18, x30, [sp, #-16]!
+
+	/*
+	 * Make sure the personality has been established by releasing cores
+	 * that are marked "to-be-disabled" from reset
+	 */
+	bl	release_disabled  /* 0-8 */
+
+	/* Set SCRATCHRW7 to 0x0 */
+	ldr	x0, =DCFG_SCRATCHRW7_OFFSET
+	mov	x1, xzr
+	bl	_write_reg_dcfg
+
+	/* Restore the aarch32/64 non-volatile registers */
+	ldp	x18, x30, [sp], #16
+	ldp	x12, x13, [sp], #16
+	ldp	x10, x11, [sp], #16
+	ldp	x8,  x9,  [sp], #16
+	ldp	x6,  x7,  [sp], #16
+	ldp	x4,  x5,  [sp], #16
+	ret
+endfunc soc_init_lowlevel
+
+/*
+ * void soc_init_percpu(void)
+ *
+ * This function performs any soc-specific initialization that is needed on
+ * a per-core basis
+ * in:  none
+ * out: none
+ * uses x0 - x3
+ */
+func soc_init_percpu
+	stp	x4,  x30,  [sp, #-16]!
+
+	bl	plat_my_core_mask
+	mov	x2, x0
+
+	/* x2 = core mask */
+
+	/* see if this core is marked for prefetch disable */
+	mov	x0, #PREFETCH_DIS_OFFSET
+	bl	_get_global_data  /* 0-1 */
+	tst	x0, x2
+	b.eq	1f
+	bl	_disable_ldstr_pfetch_A72  /* 0 */
+1:
+	mov	x0, #NXP_PMU_ADDR
+	bl	enable_timer_base_to_cluster
+
+	ldp	x4,  x30,  [sp], #16
+	ret
+endfunc soc_init_percpu
+
+/*
+ * This function determines if a core is disabled via COREDISABLEDSR
+ * in:  w0  = core_mask_lsb
+ * out: w0  = 0, core not disabled
+ *      w0 != 0, core disabled
+ * uses x0, x1
+ */
+func _soc_ck_disabled
+	/* get base addr of dcfg block */
+	ldr	x1, =NXP_DCFG_ADDR
+
+	/* read COREDISABLEDSR */
+	ldr	w1, [x1, #DCFG_COREDISABLEDSR_OFFSET]
+
+	/* test core bit */
+	and	w0, w1, w0
+
+	ret
+endfunc _soc_ck_disabled
+
+/*
+ * This function sets the security mechanisms in the SoC to implement the
+ * Platform Security Policy
+ */
+func _set_platform_security
+	mov	x3, x30
+
+#if (!SUPPRESS_TZC)
+	/* initialize the tzpc */
+	bl	init_tzpc
+#endif
+
+#if (!SUPPRESS_SEC)
+	/* initialize secmon */
+	bl	initSecMon
+#endif
+
+	mov	x30, x3
+	ret
+endfunc _set_platform_security
+
+/*
+ * Part of CPU_ON
+ *
+ * This function releases a secondary core from reset
+ * in:   x0 = core_mask_lsb
+ * out:  none
+ * uses: x0 - x3
+ */
+_soc_core_release:
+	mov	x3, x30
+
+	/*
+	 * Write to CORE_HOLD to tell the bootrom that we want this core
+	 * to run
+	 */
+	ldr	x1, =NXP_SEC_REGFILE_ADDR
+	str	w0, [x1, #CORE_HOLD_OFFSET]
+
+	/* Read-modify-write BRRL to release core */
+	mov	x1, #NXP_RESET_ADDR
+	ldr	w2, [x1, #BRR_OFFSET]
+	orr	w2, w2, w0
+	str	w2, [x1, #BRR_OFFSET]
+	dsb	sy
+	isb
+
+	/* Send event */
+	sev
+	isb
+
+	mov	x30, x3
+	ret
+
+/*
+ * This function writes a 64-bit address to bootlocptrh/l
+ * in:  x0, 64-bit address to write to BOOTLOCPTRL/H
+ * uses x0, x1, x2
+ */
+func _soc_set_start_addr
+	/* Get the 64-bit base address of the dcfg block */
+	ldr	x2, =NXP_DCFG_ADDR
+
+	/* Write the 32-bit BOOTLOCPTRL register */
+	mov	x1, x0
+	str	w1, [x2, #DCFG_BOOTLOCPTRL_OFFSET]
+
+	/* Write the 32-bit BOOTLOCPTRH register */
+	lsr	x1, x0, #32
+	str	w1, [x2, #DCFG_BOOTLOCPTRH_OFFSET]
+	ret
+endfunc _soc_set_start_addr
+
+/*
+ * Part of CPU_ON
+ *
+ * This function restarts a core shutdown via _soc_core_entr_off
+ * in:  x0 = core mask lsb (of the target cpu)
+ * out: x0 == 0, on success
+ *      x0 != 0, on failure
+ * uses x0 - x6
+ */
+_soc_core_restart:
+	mov	x6, x30
+	mov	x4, x0
+
+	/* pgm GICD_CTLR - enable secure grp0  */
+	mov	x5, #NXP_GICD_ADDR
+	ldr	w2, [x5, #GICD_CTLR_OFFSET]
+	orr	w2, w2, #GICD_CTLR_EN_GRP_0
+	str	w2, [x5, #GICD_CTLR_OFFSET]
+	dsb	sy
+	isb
+
+	/* Poll on RWP til write completes */
+4:
+	ldr	w2, [x5, #GICD_CTLR_OFFSET]
+	tst	w2, #GICD_CTLR_RWP
+	b.ne	4b
+
+	/*
+	 * x4 = core mask lsb
+	 * x5 = gicd base addr
+	 */
+
+	mov	x0, x4
+	bl	get_mpidr_value
+
+	/* Generate target list bit */
+	and	x1, x0, #MPIDR_AFFINITY0_MASK
+	mov	x2, #1
+	lsl	x2, x2, x1
+
+	/* Get the affinity1 field */
+	and	x1, x0, #MPIDR_AFFINITY1_MASK
+	lsl	x1, x1, #8
+	orr	x2, x2, x1
+
+	/* Insert the INTID for SGI15 */
+	orr	x2, x2, #ICC_SGI0R_EL1_INTID
+
+	/* Fire the SGI */
+	msr	ICC_SGI0R_EL1, x2
+	dsb	sy
+	isb
+
+	/* Load '0' on success */
+	mov	x0, xzr
+
+	mov	x30, x6
+	ret
+
+/*
+ * Part of CPU_OFF
+ *
+ * This function programs SoC & GIC registers in preparation for shutting down
+ * the core
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0 - x7
+ */
+_soc_core_prep_off:
+	mov	x8, x30
+	mov	x7, x0
+
+	/* x7 = core mask lsb */
+
+	mrs	x1, CPUECTLR_EL1
+
+	/* Set smp and disable L2 snoops in cpuectlr */
+	orr	x1, x1, #CPUECTLR_SMPEN_EN
+	orr	x1, x1, #CPUECTLR_DISABLE_TWALK_PREFETCH
+	bic	x1, x1, #CPUECTLR_INS_PREFETCH_MASK
+	bic	x1, x1, #CPUECTLR_DAT_PREFETCH_MASK
+
+	/* Set retention control in cpuectlr */
+	bic	x1, x1, #CPUECTLR_TIMER_MASK
+	orr	x1, x1, #CPUECTLR_TIMER_2TICKS
+	msr	CPUECTLR_EL1, x1
+
+	/* Get redistributor rd base addr for this core */
+	mov	x0, x7
+	bl	get_gic_rd_base
+	mov	x6, x0
+
+	/* Get redistributor sgi base addr for this core */
+	mov	x0, x7
+	bl	get_gic_sgi_base
+	mov	x5, x0
+
+	/*
+	 * x5 = gicr sgi base addr
+	 * x6 = gicr rd  base addr
+	 * x7 = core mask lsb
+	 */
+
+	/* Disable SGI 15 at redistributor - GICR_ICENABLER0 */
+	mov	w3, #GICR_ICENABLER0_SGI15
+	str	w3, [x5, #GICR_ICENABLER0_OFFSET]
+2:
+	/* Poll on rwp bit in GICR_CTLR */
+	ldr	w4, [x6, #GICR_CTLR_OFFSET]
+	tst	w4, #GICR_CTLR_RWP
+	b.ne	2b
+
+	/* Disable GRP1 interrupts at cpu interface */
+	msr	ICC_IGRPEN1_EL3, xzr
+
+	/* Disable GRP0 ints at cpu interface */
+	msr	ICC_IGRPEN0_EL1, xzr
+
+	/* Program the redistributor - poll on GICR_CTLR.RWP as needed */
+
+	/* Define SGI 15 as Grp0 - GICR_IGROUPR0 */
+	ldr	w4, [x5, #GICR_IGROUPR0_OFFSET]
+	bic	w4, w4, #GICR_IGROUPR0_SGI15
+	str	w4, [x5, #GICR_IGROUPR0_OFFSET]
+
+	/* Define SGI 15 as Grp0 - GICR_IGRPMODR0 */
+	ldr	w3, [x5, #GICR_IGRPMODR0_OFFSET]
+	bic	w3, w3, #GICR_IGRPMODR0_SGI15
+	str	w3, [x5, #GICR_IGRPMODR0_OFFSET]
+
+	/* Set priority of SGI 15 to highest (0x0) - GICR_IPRIORITYR3 */
+	ldr	w4, [x5, #GICR_IPRIORITYR3_OFFSET]
+	bic	w4, w4, #GICR_IPRIORITYR3_SGI15_MASK
+	str	w4, [x5, #GICR_IPRIORITYR3_OFFSET]
+
+	/* Enable SGI 15 at redistributor - GICR_ISENABLER0 */
+	mov	w3, #GICR_ISENABLER0_SGI15
+	str	w3, [x5, #GICR_ISENABLER0_OFFSET]
+	dsb	sy
+	isb
+3:
+	/* Poll on rwp bit in GICR_CTLR */
+	ldr	w4, [x6, #GICR_CTLR_OFFSET]
+	tst	w4, #GICR_CTLR_RWP
+	b.ne	3b
+
+	/* Quiesce the debug interfaces */
+	mrs	x3, osdlr_el1
+	orr	x3, x3, #OSDLR_EL1_DLK_LOCK
+	msr	osdlr_el1, x3
+	isb
+
+	/* Enable grp0 ints */
+	mov	x3, #ICC_IGRPEN0_EL1_EN
+	msr	ICC_IGRPEN0_EL1, x3
+
+	/*
+	 * x5 = gicr sgi base addr
+	 * x6 = gicr rd  base addr
+	 * x7 = core mask lsb
+	 */
+
+	/* Clear any pending interrupts */
+	mvn	w1, wzr
+	str	w1, [x5, #GICR_ICPENDR0_OFFSET]
+
+	/* Make sure system counter is enabled */
+	ldr	x3, =NXP_TIMER_ADDR
+	ldr	w0, [x3, #SYS_COUNTER_CNTCR_OFFSET]
+	tst	w0, #SYS_COUNTER_CNTCR_EN
+	b.ne	4f
+	orr	w0, w0, #SYS_COUNTER_CNTCR_EN
+	str	w0, [x3, #SYS_COUNTER_CNTCR_OFFSET]
+4:
+	/* Enable the core timer and mask timer interrupt */
+	mov	x1, #CNTP_CTL_EL0_EN
+	orr	x1, x1, #CNTP_CTL_EL0_IMASK
+	msr	cntp_ctl_el0, x1
+
+	isb
+	mov	x30, x8
+	ret
+
+/*
+ * Part of CPU_OFF
+ *
+ * This function performs the final steps to shutdown the core
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0 - x5
+ */
+_soc_core_entr_off:
+	mov	x5, x30
+	mov	x4, x0
+
+	/* x4 = core mask */
+1:
+	/* Enter low-power state by executing wfi */
+	wfi
+
+	/* See if SGI15 woke us up */
+	mrs	x2, ICC_IAR0_EL1
+	mov	x3, #ICC_IAR0_EL1_SGI15
+	cmp	x2, x3
+	b.ne	1b
+
+	/* Deactivate the int */
+	msr	ICC_EOIR0_EL1, x2
+
+	/* x4 = core mask */
+2:
+	/* Check if core has been turned on */
+	mov	x0, x4
+	bl	_getCoreState
+
+	/* x0 = core state */
+
+	cmp	x0, #CORE_WAKEUP
+	b.ne	1b
+
+	/* If we get here, then we have exited the wfi */
+	mov	x30, x5
+	ret
+
+/*
+ * Part of CPU_OFF
+ *
+ * This function starts the process of starting a core back up
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2, x3, x4, x5, x6
+ */
+_soc_core_exit_off:
+	mov	x6, x30
+	mov	x5, x0
+
+	/* Disable forwarding of GRP0 ints at cpu interface */
+	msr	ICC_IGRPEN0_EL1, xzr
+
+	/* Get redistributor sgi base addr for this core */
+	mov	x0, x5
+	bl	get_gic_sgi_base
+	mov	x4, x0
+
+	/* x4 = gicr sgi base addr */
+	/* x5 = core mask */
+
+	/* Disable SGI 15 at redistributor - GICR_ICENABLER0 */
+	mov	w1, #GICR_ICENABLER0_SGI15
+	str	w1, [x4, #GICR_ICENABLER0_OFFSET]
+
+	/* Get redistributor rd base addr for this core */
+	mov	x0, x5
+	bl	get_gic_rd_base
+	mov	x4, x0
+
+	/* x4 = gicr rd  base addr */
+2:
+	/* Poll on rwp bit in GICR_CTLR */
+	ldr	w2, [x4, #GICR_CTLR_OFFSET]
+	tst	w2, #GICR_CTLR_RWP
+	b.ne	2b
+
+	/* x4 = gicr rd  base addr */
+
+	/* Unlock the debug interfaces */
+	mrs	x3, osdlr_el1
+	bic	x3, x3, #OSDLR_EL1_DLK_LOCK
+	msr	osdlr_el1, x3
+	isb
+
+	dsb	sy
+	isb
+	mov	x30, x6
+	ret
+
+/*
+ * This function requests a reset of the entire SOC
+ * in:  none
+ * out: none
+ * uses: x0, x1, x2, x3, x4, x5, x6
+ */
+_soc_sys_reset:
+	mov	x3, x30
+
+	/* Make sure the mask is cleared in the reset request mask register */
+	mov	x0, #RST_RSTRQMR1_OFFSET
+	mov	w1, wzr
+	bl	_write_reg_reset
+
+	/* Set the reset request */
+	mov	x4, #RST_RSTCR_OFFSET
+	mov	x0, x4
+	mov	w1, #RSTCR_RESET_REQ
+	bl	_write_reg_reset
+
+	/* x4 = RST_RSTCR_OFFSET */
+
+	/*
+	 * Just in case this address range is mapped as cacheable,
+	 * flush the write out of the dcaches
+	 */
+	mov	x2, #NXP_RESET_ADDR
+	add	x2, x2, x4
+	dc	cvac, x2
+	dsb	st
+	isb
+
+	/* This function does not return */
+1:
+	wfi
+	b	1b
+
+/*
+ * Part of SYSTEM_OFF
+ *
+ * This function turns off the SoC clocks
+ * Note: this function is not intended to return, and the only allowable
+ *       recovery is POR
+ * in:  none
+ * out: none
+ * uses x0, x1, x2, x3
+ */
+_soc_sys_off:
+	/*
+	 * Disable sec, spi and flexspi
+	 * TBD - Check if eNETC needs to be disabled
+	 */
+	ldr	x2, =NXP_DCFG_ADDR
+	ldr	x0, =DCFG_DEVDISR1_OFFSET
+	ldr	w1, =DCFG_DEVDISR1_SEC
+	str	w1, [x2, x0]
+	ldr	x0, =DCFG_DEVDISR4_OFFSET
+	ldr	w1, =DCFG_DEVDISR4_SPI_QSPI
+	str	w1, [x2, x0]
+
+	/* Set TPMWAKEMR0 */
+	ldr	x0, =TPMWAKEMR0_ADDR
+	mov	w1, #0x1
+	str	w1, [x0]
+
+	/* Disable icache, dcache, mmu @ EL1 */
+	mov	x1, #SCTLR_I_C_M_MASK
+	mrs	x0, sctlr_el1
+	bic	x0, x0, x1
+	msr	sctlr_el1, x0
+
+	/* Disable L2 prefetches */
+	mrs	x0, CPUECTLR_EL1
+	orr	x0, x0, #CPUECTLR_SMPEN_EN
+	bic	x0, x0, #CPUECTLR_TIMER_MASK
+	orr	x0, x0, #CPUECTLR_TIMER_2TICKS
+	msr	CPUECTLR_EL1, x0
+	dsb	sy
+	isb
+
+	/* Disable CCI snoop domain */
+	ldr	x0, =NXP_CCI_ADDR
+	mov	w1, #0x1
+	str	w1, [x0]
+
+	bl	get_pmu_idle_core_mask
+
+	/* x3 = pmu base addr */
+	mov	x3, #NXP_PMU_ADDR
+4:
+	ldr	w1, [x3, #PMU_PCPW20SR_OFFSET]
+	cmp	w1, w0
+	b.ne	4b
+
+	bl	get_pmu_idle_cluster_mask
+	mov	x3, #NXP_PMU_ADDR
+	str	w0, [x3, #PMU_CLAINACTSETR_OFFSET]
+
+	bl	get_pmu_idle_core_mask
+	mov	x3, #NXP_PMU_ADDR
+1:
+	ldr	w1, [x3, #PMU_PCPW20SR_OFFSET]
+	cmp	w1, w0
+	b.ne	1b
+
+	bl	get_pmu_flush_cluster_mask
+	mov	x3, #NXP_PMU_ADDR
+	str	w0, [x3, #PMU_CLL2FLUSHSETR_OFFSET]
+2:
+	ldr	w1, [x3, #PMU_CLL2FLUSHSR_OFFSET]
+	cmp	w1, w0
+	b.ne	2b
+
+	str	w0, [x3, #PMU_CLSL2FLUSHCLRR_OFFSET]
+
+	str	w0, [x3, #PMU_CLSINACTSETR_OFFSET]
+
+	mov	x2, #DAIF_SET_MASK
+	mrs	x1, spsr_el1
+	orr	x1, x1, x2
+	msr	spsr_el1, x1
+
+	mrs	x1, spsr_el2
+	orr	x1, x1, x2
+	msr	spsr_el2, x1
+
+	/* Force the debug interface to be quiescent */
+	mrs	x0, osdlr_el1
+	orr	x0, x0, #0x1
+	msr	osdlr_el1, x0
+
+	/* Invalidate all TLB entries at all 3 exception levels */
+	tlbi	alle1
+	tlbi	alle2
+	tlbi	alle3
+
+	/* x3 = pmu base addr */
+
+	/* Request lpm20 */
+	ldr	x0, =PMU_POWMGTCSR_OFFSET
+	ldr	w1, =PMU_POWMGTCSR_VAL
+	str	w1, [x3, x0]
+	isb
+	dsb	sy
+5:
+	wfe
+	b.eq	5b
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to standby
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_core_prep_stdby:
+	/* Clear CPUECTLR_EL1[2:0] */
+	mrs	x1, CPUECTLR_EL1
+	bic	x1, x1, #CPUECTLR_TIMER_MASK
+	msr	CPUECTLR_EL1, x1
+
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function puts the calling core into standby state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0
+ */
+_soc_core_entr_stdby:
+	/* X0 = core mask lsb */
+	dsb	sy
+	isb
+	wfi
+
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after standby state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_core_exit_stdby:
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to power-down
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2
+ */
+_soc_core_prep_pwrdn:
+	/* Make sure system counter is enabled */
+	ldr	x2, =NXP_TIMER_ADDR
+	ldr	w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+	tst	w0, #SYS_COUNTER_CNTCR_EN
+	b.ne	1f
+	orr	w0, w0, #SYS_COUNTER_CNTCR_EN
+	str	w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+1:
+	/*
+	 * Enable dynamic retention control (CPUECTLR[2:0])
+	 * Set the SMPEN bit (CPUECTLR[6])
+	 */
+	mrs	x1, CPUECTLR_EL1
+	bic	x1, x1, #CPUECTLR_RET_MASK
+	orr	x1, x1, #CPUECTLR_TIMER_2TICKS
+	orr	x1, x1, #CPUECTLR_SMPEN_EN
+	msr	CPUECTLR_EL1, x1
+
+	isb
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function puts the calling core into a power-down state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0
+ */
+_soc_core_entr_pwrdn:
+	/* X0 = core mask lsb */
+	dsb	sy
+	isb
+	wfi
+
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after power-down state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_core_exit_pwrdn:
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to standby
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_clstr_prep_stdby:
+	/* Clear CPUECTLR_EL1[2:0] */
+	mrs	x1, CPUECTLR_EL1
+	bic	x1, x1, #CPUECTLR_TIMER_MASK
+	msr	CPUECTLR_EL1, x1
+
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after standby state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_clstr_exit_stdby:
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to power-down
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2
+ */
+_soc_clstr_prep_pwrdn:
+	/* Make sure system counter is enabled */
+	ldr	x2, =NXP_TIMER_ADDR
+	ldr	w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+	tst	w0, #SYS_COUNTER_CNTCR_EN
+	b.ne	1f
+	orr	w0, w0, #SYS_COUNTER_CNTCR_EN
+	str	w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+1:
+	/*
+	 * Enable dynamic retention control (CPUECTLR[2:0])
+	 * Set the SMPEN bit (CPUECTLR[6])
+	 */
+	mrs	x1, CPUECTLR_EL1
+	bic	x1, x1, #CPUECTLR_RET_MASK
+	orr	x1, x1, #CPUECTLR_TIMER_2TICKS
+	orr	x1, x1, #CPUECTLR_SMPEN_EN
+	msr	CPUECTLR_EL1, x1
+
+	isb
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after power-down state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_clstr_exit_pwrdn:
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to standby
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_sys_prep_stdby:
+	/* Clear CPUECTLR_EL1[2:0] */
+	mrs	x1, CPUECTLR_EL1
+	bic	x1, x1, #CPUECTLR_TIMER_MASK
+	msr	CPUECTLR_EL1, x1
+
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after standby state
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_sys_exit_stdby:
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to
+ * suspend-to-power-down
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2, x3, x4
+ */
+_soc_sys_prep_pwrdn:
+	/* Set retention control */
+	mrs	x0, CPUECTLR_EL1
+	bic	x0, x0, #CPUECTLR_TIMER_MASK
+	orr	x0, x0, #CPUECTLR_TIMER_2TICKS
+	orr	x0, x0, #CPUECTLR_SMPEN_EN
+	msr	CPUECTLR_EL1, x0
+	dsb	sy
+	isb
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function puts the calling core, and potentially the soc, into a
+ * low-power state
+ * in:  x0 = core mask lsb
+ * out: x0 = 0, success
+ *      x0 < 0, failure
+ * uses x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x13, x14, x15,
+ *      x16, x17, x18
+ */
+_soc_sys_pwrdn_wfi:
+	mov	x18, x30
+
+	mov	x3, #NXP_PMU_ADDR
+
+	/* x3 = pmu base addr */
+
+	/* Backup epu registers to stack */
+	ldr	x2, =NXP_EPU_ADDR
+	ldr	w4, [x2, #EPU_EPIMCR10_OFFSET]
+	ldr	w5, [x2, #EPU_EPCCR10_OFFSET]
+	ldr	w6, [x2, #EPU_EPCTR10_OFFSET]
+	ldr	w7, [x2, #EPU_EPGCR_OFFSET]
+	stp	x4,  x5,  [sp, #-16]!
+	stp	x6,  x7,  [sp, #-16]!
+
+	/*
+	 * x2 = epu base addr
+	 * x3 = pmu base addr
+	 */
+
+	/* Set up EPU event to receive the wake signal from PMU */
+	mov	w4, #EPU_EPIMCR10_VAL
+	mov	w5, #EPU_EPCCR10_VAL
+	mov	w6, #EPU_EPCTR10_VAL
+	mov	w7, #EPU_EPGCR_VAL
+	str	w4, [x2, #EPU_EPIMCR10_OFFSET]
+	str	w5, [x2, #EPU_EPCCR10_OFFSET]
+	str	w6, [x2, #EPU_EPCTR10_OFFSET]
+	str	w7, [x2, #EPU_EPGCR_OFFSET]
+
+	ldr	x2, =NXP_GICD_ADDR
+
+	/*
+	 * x2 = gicd base addr
+	 * x3 = pmu base addr
+	 */
+
+	/* Backup flextimer/mmc/usb interrupt router */
+	ldr	x0, =GICD_IROUTER60_OFFSET
+	ldr	x1, =GICD_IROUTER76_OFFSET
+	ldr	w4, [x2, x0]
+	ldr	w5, [x2, x1]
+	ldr	x0, =GICD_IROUTER112_OFFSET
+	ldr	x1, =GICD_IROUTER113_OFFSET
+	ldr	w6, [x2, x0]
+	ldr	w7, [x2, x1]
+	stp	x4,  x5,  [sp, #-16]!
+	stp	x6,  x7,  [sp, #-16]!
+
+	/*
+	 * x2 = gicd base addr
+	 * x3 = pmu base addr
+	 * x0 = GICD_IROUTER112_OFFSET
+	 * x1 = GICD_IROUTER113_OFFSET
+	 */
+
+	/* Re-route interrupt to cluster 1 */
+	ldr	w4, =GICD_IROUTER_VALUE
+	str	w4, [x2, x0]
+	str	w4, [x2, x1]
+	ldr	x0, =GICD_IROUTER60_OFFSET
+	ldr	x1, =GICD_IROUTER76_OFFSET
+	str	w4, [x2, x0]
+	str	w4, [x2, x1]
+	dsb	sy
+	isb
+
+	/* x3 = pmu base addr */
+
+	/* Disable sec, Check for eNETC, spi and qspi */
+	ldr	x2, =NXP_DCFG_ADDR
+	ldr	x0, =DCFG_DEVDISR1_OFFSET
+	ldr	w1, =DCFG_DEVDISR1_SEC
+	str	w1, [x2, x0]
+
+	ldr	x0, =DCFG_DEVDISR4_OFFSET
+	ldr	w1, =DCFG_DEVDISR4_SPI_QSPI
+	str	w1, [x2, x0]
+
+	/* x3 = pmu base addr */
+
+	/* Set TPMWAKEMR0 */
+	ldr	x0, =TPMWAKEMR0_ADDR
+	mov	w1, #0x1
+	str	w1, [x0]
+
+	/* Disable CCI snoop domain */
+	ldr	x0, =NXP_CCI_ADDR
+	mov	w1, #0x1
+	str	w1, [x0]
+
+	/* Setup retention control */
+	mrs	x0, CPUECTLR_EL1
+	orr	x0, x0, #CPUECTLR_SMPEN_EN
+	orr	x0, x0, #CPUECTLR_TIMER_2TICKS
+	msr	CPUECTLR_EL1, x0
+	dsb	sy
+	isb
+
+	bl	get_pmu_idle_core_mask
+	mov	x3, #NXP_PMU_ADDR
+8:
+	ldr	w1, [x3, #PMU_PCPW20SR_OFFSET]
+	cmp	w1, w0
+	b.ne	8b
+
+	/* x3 = NXP_PMU_ADDR */
+	/* 1 cluster SoC */
+
+	bl	get_pmu_idle_cluster_mask
+	mov	x3, #NXP_PMU_ADDR
+
+	str	w0, [x3, #PMU_CLAINACTSETR_OFFSET]
+
+	bl	get_pmu_idle_core_mask
+	/* x3 = NXP_PMU_ADDR */
+	mov	x3, #NXP_PMU_ADDR
+1:
+	ldr	w1, [x3, #PMU_PCPW20SR_OFFSET]
+	cmp	w1, w0
+	b.ne	1b
+
+	/* x3 = NXP_PMU_ADDR */
+	bl	get_pmu_flush_cluster_mask
+	mov	x3, #NXP_PMU_ADDR
+
+	str	w0, [x3, #PMU_CLL2FLUSHSETR_OFFSET]
+
+	/* x3 = NXP_PMU_ADDR */
+2:
+	ldr	w1, [x3, #PMU_CLL2FLUSHSR_OFFSET]
+	cmp	w1, w0
+	b.ne	2b
+
+	/* x3 = NXP_PMU_ADDR */
+
+	str	w0, [x3, #PMU_CLSL2FLUSHCLRR_OFFSET]
+
+	str	w0, [x3, #PMU_CLSINACTSETR_OFFSET]
+
+	/* Force the debug interface to be quiescent */
+	mrs	x0, osdlr_el1
+	orr	x0, x0, #0x1
+	msr	osdlr_el1, x0
+
+	/*
+	 * Enable the WakeRequest signal
+	 * x3 is cpu mask starting from cpu1 to cpu0
+	 */
+	bl	get_tot_num_cores
+	sub	x0, x0, #1
+	mov	x3, #0x1
+	lsl	x3, x3, x0
+2:
+	mov	x0, x3
+	bl	get_gic_rd_base  // 0-2
+	ldr	w1, [x0, #GICR_WAKER_OFFSET]
+	orr	w1, w1, #GICR_WAKER_SLEEP_BIT
+	str	w1, [x0, #GICR_WAKER_OFFSET]
+1:
+	ldr	w1, [x0, #GICR_WAKER_OFFSET]
+	cmp	w1, #GICR_WAKER_ASLEEP
+	b.ne	1b
+
+	lsr	x3, x3, #1
+	cbnz	x3, 2b
+
+	/* Invalidate all TLB entries at all 3 exception levels */
+	tlbi	alle1
+	tlbi	alle2
+	tlbi	alle3
+
+	/* Request lpm20 */
+	mov	x3, #NXP_PMU_ADDR
+	ldr	x0, =PMU_POWMGTCSR_OFFSET
+	ldr	w1, =PMU_POWMGTCSR_VAL
+	str	w1, [x3, x0]
+
+	ldr	x5, =NXP_EPU_ADDR
+4:
+	wfe
+	ldr	w1, [x5, #EPU_EPCTR10_OFFSET]
+	cmp	w1, #0
+	b.eq	4b
+
+	/* x3 = NXP_PMU_ADDR */
+
+	bl	get_pmu_idle_cluster_mask
+	mov	x3, NXP_PMU_ADDR
+
+	/* Re-enable the GPP ACP */
+	str	w0, [x3, #PMU_CLAINACTCLRR_OFFSET]
+	str	w0, [x3, #PMU_CLSINACTCLRR_OFFSET]
+
+	/* x3 = NXP_PMU_ADDR */
+3:
+	ldr	w1, [x3, #PMU_CLAINACTSETR_OFFSET]
+	cbnz	w1, 3b
+4:
+	ldr	w1, [x3, #PMU_CLSINACTSETR_OFFSET]
+	cbnz	w1, 4b
+
+	/*
+	 * Enable the WakeRequest signal on cpu 0-1
+	 * x3 is cpu mask starting from cpu1
+	 */
+	bl	get_tot_num_cores
+	sub	x0, x0, #1
+	mov	x3, #0x1
+	lsl	x3, x3, x0
+2:
+	mov	x0, x3
+	bl	get_gic_rd_base  // 0-2
+	ldr	w1, [x0, #GICR_WAKER_OFFSET]
+	bic	w1, w1, #GICR_WAKER_SLEEP_BIT
+	str	w1, [x0, #GICR_WAKER_OFFSET]
+1:
+	ldr	w1, [x0, #GICR_WAKER_OFFSET]
+	cbnz	w1, 1b
+
+	lsr	x3, x3, #1
+	cbnz	x3, 2b
+
+	/* Enable CCI snoop domain */
+	ldr	x0, =NXP_CCI_ADDR
+	str	wzr, [x0]
+	dsb	sy
+	isb
+
+	ldr	x3, =NXP_EPU_ADDR
+
+	/* x3 = epu base addr */
+
+	/* Enable sec, enetc, spi and qspi */
+	ldr	x2, =NXP_DCFG_ADDR
+	str	wzr, [x2, #DCFG_DEVDISR1_OFFSET]
+	str	wzr, [x2, #DCFG_DEVDISR2_OFFSET]
+	str	wzr, [x2, #DCFG_DEVDISR4_OFFSET]
+
+	/* Restore flextimer/mmc/usb interrupt router */
+	ldr	x3, =NXP_GICD_ADDR
+	ldp	x0, x2, [sp], #16
+	ldr	x1, =GICD_IROUTER113_OFFSET
+	str	w2, [x3, x1]
+	ldr	x1, =GICD_IROUTER112_OFFSET
+	str	w0, [x3, x1]
+	ldp	x0, x2, [sp], #16
+	ldr	x1, =GICD_IROUTER76_OFFSET
+	str	w2, [x3, x1]
+	ldr	x1, =GICD_IROUTER60_OFFSET
+	str	w0, [x3, x1]
+
+	/* Restore EPU registers */
+	ldr	x3, =NXP_EPU_ADDR
+	ldp	x0, x2, [sp], #16
+	str	w2, [x3, #EPU_EPGCR_OFFSET]
+	str	w0, [x3, #EPU_EPCTR10_OFFSET]
+	ldp	x2, x1, [sp], #16
+	str	w1, [x3, #EPU_EPCCR10_OFFSET]
+	str	w2, [x3, #EPU_EPIMCR10_OFFSET]
+
+	dsb	sy
+	isb
+	mov	x30, x18
+	ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after power-down
+ * in:  x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_sys_exit_pwrdn:
+	/* Enable stack alignment checking */
+	mrs	x1, SCTLR_EL1
+	orr	x1, x1, #0x4
+	msr	SCTLR_EL1, x1
+
+	/* Enable debug interface */
+	mrs	x1, osdlr_el1
+	bic	x1, x1, #OSDLR_EL1_DLK_LOCK
+	msr	osdlr_el1, x1
+
+	/* Enable i-cache */
+	mrs	x1, SCTLR_EL3
+	orr	x1, x1, #SCTLR_I_MASK
+	msr	SCTLR_EL3, x1
+
+	isb
+	ret
+
+/*
+ * This function setc up the TrustZone Address Space Controller (TZASC)
+ * in:  none
+ * out: none
+ * uses x0, x1
+ */
+init_tzpc:
+	/* Set Non Secure access for all devices protected via TZPC */
+	ldr	x1, =TZPCDECPROT_0_SET_BASE   /* decode Protection-0 Set Reg */
+	mov	w0, #0xFF		      /* set decode region to NS, Bits[7:0] */
+	str	w0, [x1]
+
+	ldr	x1, =TZPCDECPROT_1_SET_BASE   /* decode Protection-1 Set Reg */
+	mov	w0, #0xFF		      /* set decode region to NS, Bits[7:0] */
+	str	w0, [x1]
+
+	ldr	x1, =TZPCDECPROT_2_SET_BASE   /* decode Protection-2 Set Reg */
+	mov	w0, #0xFF		      /* set decode region to NS, Bits[7:0] */
+	str	w0, [x1]
+
+	 /* entire SRAM as NS */
+	ldr	x1, =NXP_OCRAM_TZPC_ADDR      /* secure RAM region size Reg */
+	mov	w0, #0x00000000		      /* 0x00000000 = no secure region */
+	str	w0, [x1]
+
+	ret
+
+/*
+ * This function performs any needed initialization on SecMon for
+ * boot services
+ */
+initSecMon:
+	/* Read the register hpcomr */
+	ldr	x1, =NXP_SNVS_ADDR
+	ldr	w0, [x1, #SECMON_HPCOMR_OFFSET]
+	/* Turn off secure access for the privileged registers */
+	orr	w0, w0, #SECMON_HPCOMR_NPSWAEN
+	/* Write back */
+	str	w0, [x1, #SECMON_HPCOMR_OFFSET]
+
+	ret
+
+/*
+ * This function checks to see if cores which are to be disabled have been
+ * released from reset - if not, it releases them
+ * in:  none
+ * out: none
+ * uses x0, x1, x2, x3, x4, x5, x6, x7, x8
+ */
+release_disabled:
+	stp	x18, x30, [sp, #-16]!
+
+	/*
+	 * Get the number of cpus on this device
+	 * Calling the below c function.
+	 * No need to Callee saved registers x9-x15,
+	 * as these registers are not used by the callee
+	 * prior to calling the below C-routine.
+	 */
+	bl	get_tot_num_cores
+	mov	x6, x0
+
+	/* Read COREDISABLESR */
+	mov	x0, #NXP_DCFG_ADDR
+	ldr	w4, [x0, #DCFG_COREDISABLEDSR_OFFSET]
+
+	mov	x0, #NXP_RESET_ADDR
+	ldr	w5, [x0, #BRR_OFFSET]
+
+	/* Load the core mask for the first core */
+	mov	x7, #1
+
+	/*
+	 * x4 = COREDISABLESR
+	 * x5 = BRR
+	 * x6 = loop count
+	 * x7 = core mask bit
+	 */
+2:
+	/* Check if the core is to be disabled */
+	tst	x4, x7
+	b.eq	1f
+
+	/* See if disabled cores have already been released from reset */
+	tst	x5, x7
+	b.ne	1f
+
+	/* If core has not been released, then release it (0-3) */
+	mov	x0, x7
+	bl	_soc_core_release
+
+	/* Record the core state in the data area (0-3) */
+	mov	x0, x7
+	mov	x1, #CORE_DISABLED
+	bl	_setCoreState
+1:
+	/* Decrement the counter */
+	subs	x6, x6, #1
+	b.le	3f
+	/* Shift the core mask to the next core */
+	lsl	x7, x7, #1
+	/* Continue */
+	b	2b
+3:
+	ldp	x18, x30, [sp], #16
+	ret
+
+/*
+ * Write a register in the DCFG block
+ * in:  x0 = offset
+ * in:  w1 = value to write
+ * uses x0, x1, x2
+ */
+_write_reg_dcfg:
+	ldr	x2, =NXP_DCFG_ADDR
+	str	w1, [x2, x0]
+	ret
+
+/*
+ * Read a register in the DCFG block
+ * in:  x0 = offset
+ * out: w0 = value read
+ * uses x0, x1, x2
+ */
+_read_reg_dcfg:
+	ldr	x2, =NXP_DCFG_ADDR
+	ldr	w1, [x2, x0]
+	mov	w0, w1
+	ret
+
+/*
+ * This function returns an mpidr value for a core, given a core_mask_lsb
+ * in:  x0 = core mask lsb
+ * out: x0 = affinity2:affinity1:affinity0, where affinity is 8-bits
+ * uses x0, x1
+ */
+get_mpidr_value:
+	/* Convert a core mask to an SoC core number */
+	clz	w0, w0
+	mov	w1, #31
+	sub	w0, w1, w0
+
+	/* Get the mpidr core number from the SoC core number */
+	mov	w1, wzr
+	tst	x0, #1
+	b.eq	1f
+	orr	w1, w1, #1
+1:
+	/* Extract the cluster number */
+	lsr	w0, w0, #1
+	orr	w0, w1, w0, lsl #8
+
+	ret
+
+/*
+ * This function returns the redistributor base address for the core specified
+ * in x1
+ * in:  x0 - core mask lsb of specified core
+ * out: x0 = redistributor rd base address for specified core
+ * uses x0, x1, x2
+ */
+get_gic_rd_base:
+	/* Get the 0-based core number */
+	clz	w1, w0
+	mov	w2, #0x20
+	sub	w2, w2, w1
+	sub	w2, w2, #1
+
+	/* x2 = core number / loop counter */
+	ldr	x0, =NXP_GICR_ADDR
+	mov	x1, #GIC_RD_OFFSET
+2:
+	cbz	x2, 1f
+	add	x0, x0, x1
+	sub	x2, x2, #1
+	b	2b
+1:
+	ret
+
+/*
+ * This function returns the redistributor base address for the core specified
+ * in x1
+ * in:  x0 - core mask lsb of specified core
+ * out: x0 = redistributor sgi base address for specified core
+ * uses x0, x1, x2
+ */
+get_gic_sgi_base:
+	/* Get the 0-based core number */
+	clz	w1, w0
+	mov	w2, #0x20
+	sub	w2, w2, w1
+	sub	w2, w2, #1
+
+	/* x2 = core number / loop counter */
+	ldr	x0, =NXP_GICR_SGI_ADDR
+	mov	x1, #GIC_SGI_OFFSET
+2:
+	cbz	x2, 1f
+	add	x0, x0, x1
+	sub	x2, x2, #1
+	b	2b
+1:
+	ret
+
+/*
+ * Write a register in the RESET block
+ * in:  x0 = offset
+ * in:  w1 = value to write
+ * uses x0, x1, x2
+ */
+_write_reg_reset:
+	ldr	x2, =NXP_RESET_ADDR
+	str	w1, [x2, x0]
+	ret
+
+/*
+ * Read a register in the RESET block
+ * in:  x0 = offset
+ * out: w0 = value read
+ * uses x0, x1
+ */
+_read_reg_reset:
+	ldr	x1, =NXP_RESET_ADDR
+	ldr	w0, [x1, x0]
+	ret
diff --git a/plat/nxp/soc-ls1028a/aarch64/ls1028a_helpers.S b/plat/nxp/soc-ls1028a/aarch64/ls1028a_helpers.S
new file mode 100644
index 0000000..ec67529
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/aarch64/ls1028a_helpers.S
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+#include <platform_def.h>
+
+.globl	plat_secondary_cold_boot_setup
+.globl	plat_is_my_cpu_primary
+.globl	plat_reset_handler
+.globl  platform_mem_init
+
+func platform_mem1_init
+	ret
+endfunc platform_mem1_init
+
+func platform_mem_init
+	ret
+endfunc	platform_mem_init
+
+func apply_platform_errata
+	ret
+endfunc apply_platform_errata
+
+func plat_reset_handler
+	mov	x29, x30
+	bl	apply_platform_errata
+
+#if defined(IMAGE_BL31)
+	ldr	x0, =POLICY_SMMU_PAGESZ_64K
+	cbz	x0, 1f
+	/* Set the SMMU page size in the sACR register */
+	bl	_set_smmu_pagesz_64
+#endif
+1:
+	mov	x30, x29
+	ret
+endfunc plat_reset_handler
+
+/*
+ * void plat_secondary_cold_boot_setup (void);
+ *
+ * This function performs any platform specific actions
+ * needed for a secondary cpu after a cold reset e.g
+ * mark the cpu's presence, mechanism to place it in a
+ * holding pen etc.
+ */
+func plat_secondary_cold_boot_setup
+	/* ls1028a does not do cold boot for secondary CPU */
+cb_panic:
+	b	cb_panic
+endfunc plat_secondary_cold_boot_setup
+
+/*
+ * unsigned int plat_is_my_cpu_primary (void);
+ *
+ * Find out whether the current cpu is the primary
+ * cpu.
+ */
+func plat_is_my_cpu_primary
+	mrs	x0, mpidr_el1
+	and	x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+	cmp	x0, 0x0
+	cset	w0, eq
+	ret
+endfunc plat_is_my_cpu_primary
diff --git a/plat/nxp/soc-ls1028a/include/soc.h b/plat/nxp/soc-ls1028a/include/soc.h
new file mode 100644
index 0000000..b1d044a
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/include/soc.h
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SOC_H
+#define	SOC_H
+
+/* Chassis specific defines - common across SoC's of a particular platform */
+#include <dcfg_lsch3.h>
+#include <soc_default_base_addr.h>
+#include <soc_default_helper_macros.h>
+
+/*
+ * SVR Definition of LS1028A
+ * (not include major and minor rev)
+ * These info is listed in Table B-6. DCFG differences
+ * between LS1028A and LS1027A of LS1028ARM(Reference Manual)
+ */
+#define SVR_LS1017AN		0x870B25
+#define SVR_LS1017AE		0x870B24
+#define SVR_LS1018AN		0x870B21
+#define SVR_LS1018AE		0x870B20
+#define SVR_LS1027AN		0x870B05
+#define SVR_LS1027AE		0x870B04
+#define SVR_LS1028AN		0x870B01
+#define SVR_LS1028AE		0x870B00
+
+/* Number of cores in platform */
+#define PLATFORM_CORE_COUNT		2
+#define NUMBER_OF_CLUSTERS		1
+#define CORES_PER_CLUSTER		2
+
+/* Set to 0 if the clusters are not symmetrical */
+#define SYMMETRICAL_CLUSTERS		1
+
+#define NUM_DRAM_REGIONS		3
+
+#define	NXP_DRAM0_ADDR			0x80000000
+#define NXP_DRAM0_MAX_SIZE		0x80000000	/* 2GB */
+
+#define NXP_DRAM1_ADDR			0x2080000000
+#define NXP_DRAM1_MAX_SIZE		0x1F80000000	/* 126G */
+
+#define NXP_DRAM2_ADDR			0x6000000000
+#define NXP_DRAM2_MAX_SIZE		0x2000000000	/* 128G */
+
+/* DRAM0 Size defined in platform_def.h */
+#define	NXP_DRAM0_SIZE			PLAT_DEF_DRAM0_SIZE
+
+/* CCSR space memory Map  */
+#undef NXP_UART_ADDR
+#define NXP_UART_ADDR			0x021C0500
+
+#undef NXP_UART1_ADDR
+#define NXP_UART1_ADDR			0x021C0600
+
+#undef NXP_WDOG1_TZ_ADDR
+#define NXP_WDOG1_TZ_ADDR		0x023C0000
+
+#undef NXP_GICR_ADDR
+#define NXP_GICR_ADDR			0x06040000
+
+#undef NXP_GICR_SGI_ADDR
+#define NXP_GICR_SGI_ADDR		0x06050000
+
+/* EPU register offsets and values */
+#define EPU_EPGCR_OFFSET              0x0
+#define EPU_EPIMCR10_OFFSET           0x128
+#define EPU_EPCTR10_OFFSET            0xa28
+#define EPU_EPCCR10_OFFSET            0x828
+#define EPU_EPCCR10_VAL               0xb2800000
+#define EPU_EPIMCR10_VAL              0xba000000
+#define EPU_EPCTR10_VAL               0x0
+#define EPU_EPGCR_VAL                 (1 << 31)
+
+/* PORSR1 */
+#define PORSR1_RCW_MASK		0x07800000
+#define PORSR1_RCW_SHIFT	23
+
+#define SDHC1_VAL		0x8
+#define SDHC2_VAL		0x9
+#define I2C1_VAL		0xa
+#define FLEXSPI_NAND2K_VAL	0xc
+#define FLEXSPI_NAND4K_VAL	0xd
+#define FLEXSPI_NOR		0xf
+
+/*
+ * Required LS standard platform porting definitions
+ * for CCI-400
+ */
+#define NXP_CCI_CLUSTER0_SL_IFACE_IX	4
+
+/* Defines required for using XLAT tables from ARM common code */
+#define PLAT_PHY_ADDR_SPACE_SIZE	(1ull << 40)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(1ull << 40)
+
+/* Clock Divisors */
+#define NXP_PLATFORM_CLK_DIVIDER	1
+#define NXP_UART_CLK_DIVIDER		2
+
+/* dcfg register offsets and values */
+#define DCFG_DEVDISR2_ENETC		(1 << 31)
+
+#define MPIDR_AFFINITY0_MASK		0x00FF
+#define MPIDR_AFFINITY1_MASK		0xFF00
+#define CPUECTLR_DISABLE_TWALK_PREFETCH	0x4000000000
+#define CPUECTLR_INS_PREFETCH_MASK	0x1800000000
+#define CPUECTLR_DAT_PREFETCH_MASK	0x0300000000
+#define OSDLR_EL1_DLK_LOCK		0x1
+#define CNTP_CTL_EL0_EN			0x1
+#define CNTP_CTL_EL0_IMASK		0x2
+
+#define SYSTEM_PWR_DOMAINS	1
+#define PLAT_NUM_PWR_DOMAINS	(PLATFORM_CORE_COUNT + \
+				 NUMBER_OF_CLUSTERS  + \
+				 SYSTEM_PWR_DOMAINS)
+
+/* Power state coordination occurs at the system level */
+#define PLAT_PD_COORD_LVL	MPIDR_AFFLVL2
+#define PLAT_MAX_PWR_LVL	PLAT_PD_COORD_LVL
+
+/* Local power state for power domains in Run state */
+#define LS_LOCAL_STATE_RUN	PSCI_LOCAL_STATE_RUN
+
+/* define retention state */
+#define PLAT_MAX_RET_STATE	(PSCI_LOCAL_STATE_RUN + 1)
+#define LS_LOCAL_STATE_RET	PLAT_MAX_RET_STATE
+
+/* define power-down state */
+#define PLAT_MAX_OFF_STATE	(PLAT_MAX_RET_STATE + 1)
+#define LS_LOCAL_STATE_OFF	PLAT_MAX_OFF_STATE
+
+/* One cache line needed for bakery locks on ARM platforms */
+#define PLAT_PERCPU_BAKERY_LOCK_SIZE	(1 * CACHE_WRITEBACK_GRANULE)
+
+#ifndef __ASSEMBLER__
+/* CCI slave interfaces */
+static const int cci_map[] = {
+	NXP_CCI_CLUSTER0_SL_IFACE_IX,
+};
+void soc_init_lowlevel(void);
+void soc_init_percpu(void);
+void _soc_set_start_addr(unsigned long addr);
+void _set_platform_security(void);
+#endif
+
+#endif /* SOC_H */
diff --git a/plat/nxp/soc-ls1028a/ls1028ardb/ddr_init.c b/plat/nxp/soc-ls1028a/ls1028ardb/ddr_init.c
new file mode 100644
index 0000000..d82be51
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/ls1028ardb/ddr_init.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <string.h>
+
+#include <common/debug.h>
+#include <ddr.h>
+#include <lib/utils.h>
+
+#include <platform_def.h>
+
+#ifdef CONFIG_STATIC_DDR
+const struct ddr_cfg_regs static_1600 = {
+	.cs[0].config = U(0x80040422),
+	.cs[0].bnds = U(0xFF),
+	.sdram_cfg[0] = U(0xE50C0004),
+	.sdram_cfg[1] = U(0x401100),
+	.timing_cfg[0] = U(0x91550018),
+	.timing_cfg[1] = U(0xBAB40C42),
+	.timing_cfg[2] = U(0x48C111),
+	.timing_cfg[3] = U(0x1111000),
+	.timing_cfg[4] = U(0x2),
+	.timing_cfg[5] = U(0x3401400),
+	.timing_cfg[7] = U(0x23300000),
+	.timing_cfg[8] = U(0x2114600),
+	.sdram_mode[0] = U(0x3010210),
+	.sdram_mode[9] = U(0x4000000),
+	.sdram_mode[8] = U(0x500),
+	.sdram_mode[2] = U(0x10210),
+	.sdram_mode[10] = U(0x400),
+	.sdram_mode[11] = U(0x4000000),
+	.sdram_mode[4] = U(0x10210),
+	.sdram_mode[12] = U(0x400),
+	.sdram_mode[13] = U(0x4000000),
+	.sdram_mode[6] = U(0x10210),
+	.sdram_mode[14] = U(0x400),
+	.sdram_mode[15] = U(0x4000000),
+	.interval = U(0x18600618),
+	.data_init = U(0xdeadbeef),
+	.zq_cntl = U(0x8A090705),
+	.clk_cntl = U(0x2000000),
+	.cdr[0] = U(0x80040000),
+	.cdr[1] = U(0xA181),
+	.wrlvl_cntl[0] = U(0x8675F605),
+	.wrlvl_cntl[1] = U(0x6070700),
+	.wrlvl_cntl[2] = U(0x0000008),
+	.dq_map[0] = U(0x5b65b658),
+	.dq_map[1] = U(0xd96d8000),
+	.dq_map[2] = U(0),
+	.dq_map[3] = U(0x1600000),
+	.debug[28] = U(0x00700046),
+};
+
+unsigned long long board_static_ddr(struct ddr_info *priv)
+{
+	memcpy(&priv->ddr_reg, &static_1600, sizeof(static_1600));
+	return ULL(0x100000000);
+}
+
+#else
+
+static const struct rc_timing rcz[] = {
+	{1600, 8, 5},
+	{}
+};
+
+static const struct board_timing ram[] = {
+	{0x1f, rcz, 0x1020200, 0x00000003},
+};
+
+int ddr_board_options(struct ddr_info *priv)
+{
+	int ret;
+	struct memctl_opt *popts = &priv->opt;
+
+	ret = cal_board_params(priv, ram, ARRAY_SIZE(ram));
+	if (ret != 0) {
+		return ret;
+	}
+
+	popts->bstopre = U(0x40); /* precharge value */
+	popts->half_strength_drive_en = 1;
+	popts->cpo_sample = U(0x46);
+	popts->ddr_cdr1 = DDR_CDR1_DHC_EN |
+			  DDR_CDR1_ODT(DDR_CDR_ODT_80ohm);
+	popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_80ohm) |
+			  DDR_CDR2_VREF_OVRD(70); /* Vref = 70% */
+
+	popts->addr_hash = 1; /* address hashing */
+	return 0;
+}
+
+/* DDR model number:  MT40A1G8SA-075:E */
+struct dimm_params ddr_raw_timing = {
+	.n_ranks = U(1),
+	.rank_density = ULL(4294967296),
+	.capacity = ULL(4294967296),
+	.primary_sdram_width = U(32),
+	.ec_sdram_width = U(4),
+	.rdimm = U(0),
+	.mirrored_dimm = U(0),
+	.n_row_addr = U(16),
+	.n_col_addr = U(10),
+	.bank_group_bits = U(2),
+	.edc_config = U(2),
+	.burst_lengths_bitmask = U(0x0c),
+	.tckmin_x_ps = 750,
+	.tckmax_ps = 1900,
+	.caslat_x = U(0x0001FFE00),
+	.taa_ps = 13500,
+	.trcd_ps = 13500,
+	.trp_ps = 13500,
+	.tras_ps = 32000,
+	.trc_ps = 45500,
+	.twr_ps = 15000,
+	.trfc1_ps = 350000,
+	.trfc2_ps = 260000,
+	.trfc4_ps = 160000,
+	.tfaw_ps = 21000,
+	.trrds_ps = 3000,
+	.trrdl_ps = 4900,
+	.tccdl_ps = 5000,
+	.refresh_rate_ps = U(7800000),
+	.dq_mapping[0] = U(0x16),
+	.dq_mapping[1] = U(0x36),
+	.dq_mapping[2] = U(0x16),
+	.dq_mapping[3] = U(0x36),
+	.dq_mapping[4] = U(0x16),
+	.dq_mapping[5] = U(0x36),
+	.dq_mapping[6] = U(0x16),
+	.dq_mapping[7] = U(0x36),
+	.dq_mapping[8] = U(0x16),
+	.dq_mapping[9] = U(0x0),
+	.dq_mapping[10] = U(0x0),
+	.dq_mapping[11] = U(0x0),
+	.dq_mapping[12] = U(0x0),
+	.dq_mapping[13] = U(0x0),
+	.dq_mapping[14] = U(0x0),
+	.dq_mapping[15] = U(0x0),
+	.dq_mapping[16] = U(0x0),
+	.dq_mapping[17] = U(0x0),
+	.dq_mapping_ors = U(0),
+	.rc = U(0x1f),
+};
+
+int ddr_get_ddr_params(struct dimm_params *pdimm,
+			    struct ddr_conf *conf)
+{
+	static const char dimm_model[] = "Fixed DDR on board";
+
+	conf->dimm_in_use[0] = 1;
+	memcpy(pdimm, &ddr_raw_timing, sizeof(struct dimm_params));
+	memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
+
+	return 1;
+}
+#endif
+
+int64_t init_ddr(void)
+{
+	struct ddr_info info;
+	struct sysinfo sys;
+	int64_t dram_size;
+
+	zeromem(&sys, sizeof(sys));
+	get_clocks(&sys);
+	debug("platform clock %lu\n", sys.freq_platform);
+	debug("DDR PLL1 %lu\n", sys.freq_ddr_pll0);
+
+	zeromem(&info, sizeof(struct ddr_info));
+	info.num_ctlrs = 1;
+	info.dimm_on_ctlr = 1;
+	info.clk = get_ddr_freq(&sys, 0);
+	info.ddr[0] = (void *)NXP_DDR_ADDR;
+
+	dram_size = dram_init(&info);
+
+	if (dram_size < 0) {
+		ERROR("DDR init failed.\n");
+	}
+
+	return dram_size;
+}
diff --git a/plat/nxp/soc-ls1028a/ls1028ardb/plat_def.h b/plat/nxp/soc-ls1028a/ls1028ardb/plat_def.h
new file mode 100644
index 0000000..63c0219
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/ls1028ardb/plat_def.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_DEF_H
+#define PLAT_DEF_H
+
+#include <arch.h>
+#include <cortex_a72.h>
+/*
+ * Required without TBBR.
+ * To include the defines for DDR PHY
+ * Images.
+ */
+#include <tbbr_img_def.h>
+
+#include <policy.h>
+#include <soc.h>
+
+
+#define NXP_SYSCLK_FREQ		100000000
+#define NXP_DDRCLK_FREQ		100000000
+
+/* UART related definition */
+#define NXP_CONSOLE_ADDR	NXP_UART_ADDR
+#define NXP_CONSOLE_BAUDRATE	115200
+
+#define NXP_SPD_EEPROM0		0x51
+
+/* Size of cacheable stacks */
+#if defined(IMAGE_BL2)
+#if defined(TRUSTED_BOARD_BOOT)
+#define PLATFORM_STACK_SIZE	0x2000
+#else
+#define PLATFORM_STACK_SIZE	0x1000
+#endif
+#elif defined(IMAGE_BL31)
+#define PLATFORM_STACK_SIZE	0x1000
+#endif
+
+/* SD block buffer */
+#define NXP_SD_BLOCK_BUF_SIZE	(0xC000)
+
+#ifdef SD_BOOT
+#define BL2_LIMIT		(NXP_OCRAM_ADDR + NXP_OCRAM_SIZE \
+				- NXP_SD_BLOCK_BUF_SIZE)
+#else
+#define BL2_LIMIT		(NXP_OCRAM_ADDR + NXP_OCRAM_SIZE)
+#endif
+#define BL2_TEXT_LIMIT		(BL2_LIMIT)
+
+/* IO defines as needed by IO driver framework */
+#define MAX_IO_DEVICES		4
+#define MAX_IO_BLOCK_DEVICES	1
+#define MAX_IO_HANDLES		4
+
+#define BL31_WDOG_SEC		89
+
+/*
+ * Define properties of Group 1 Secure and Group 0 interrupts as per GICv3
+ * terminology. On a GICv2 system or mode, the lists will be merged and treated
+ * as Group 0 interrupts.
+ */
+#define PLAT_LS_G1S_IRQ_PROPS(grp) \
+	INTR_PROP_DESC(BL32_IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_EDGE)
+
+/* SGI 15 and Secure watchdog interrupts assigned to Group 0 */
+#define PLAT_LS_G0_IRQ_PROPS(grp)	\
+	INTR_PROP_DESC(BL31_WDOG_SEC, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_EDGE), \
+	INTR_PROP_DESC(15, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL)
+#endif /* PLAT_DEF_H */
diff --git a/plat/nxp/soc-ls1028a/ls1028ardb/platform.c b/plat/nxp/soc-ls1028a/ls1028ardb/platform.c
new file mode 100644
index 0000000..65d508c
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/ls1028ardb/platform.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2020-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat_common.h>
+
+#pragma weak board_enable_povdd
+#pragma weak board_disable_povdd
+
+bool board_enable_povdd(void)
+{
+#ifdef CONFIG_POVDD_ENABLE
+	return true;
+#else
+	return false;
+#endif
+}
+
+bool board_disable_povdd(void)
+{
+#ifdef CONFIG_POVDD_ENABLE
+	return true;
+#else
+	return false;
+#endif
+}
diff --git a/plat/nxp/soc-ls1028a/ls1028ardb/platform.mk b/plat/nxp/soc-ls1028a/ls1028ardb/platform.mk
new file mode 100644
index 0000000..c455000
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/ls1028ardb/platform.mk
@@ -0,0 +1,33 @@
+#
+# Copyright 2020-2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Board-specific build parameters
+BOOT_MODE	?=	flexspi_nor
+BOARD		:=	ls1028ardb
+POVDD_ENABLE	:=	no
+WARM_BOOT	:=	no
+
+# DDR build parameters
+NUM_OF_DDRC		:=	1
+CONFIG_DDR_NODIMM	:=	1
+DDR_ECC_EN		:=	yes
+
+# On-board flash
+FLASH_TYPE	:=	MT35XU02G
+XSPI_FLASH_SZ	:=	0x10000000
+
+BL2_SOURCES	+=	${BOARD_PATH}/ddr_init.c \
+			${BOARD_PATH}/platform.c
+
+SUPPORTED_BOOT_MODE	:=	flexspi_nor	\
+				sd		\
+				emmc
+
+# Add platform board build info
+include plat/nxp/common/plat_make_helper/plat_common_def.mk
+
+# Add SoC build info
+include plat/nxp/soc-ls1028a/soc.mk
diff --git a/plat/nxp/soc-ls1028a/ls1028ardb/platform_def.h b/plat/nxp/soc-ls1028a/ls1028ardb/platform_def.h
new file mode 100644
index 0000000..bbad293
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/ls1028ardb/platform_def.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include <plat_def.h>
+#include <plat_default_def.h>
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/nxp/soc-ls1028a/ls1028ardb/policy.h b/plat/nxp/soc-ls1028a/ls1028ardb/policy.h
new file mode 100644
index 0000000..67a8b45
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/ls1028ardb/policy.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2020-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef POLICY_H
+#define	POLICY_H
+
+/*
+ * Set this to 0x0 to leave the default SMMU page size in sACR
+ * Set this to 0x1 to change the SMMU page size to 64K
+ */
+#define POLICY_SMMU_PAGESZ_64K 0x1
+
+#endif /* POLICY_H */
diff --git a/plat/nxp/soc-ls1028a/soc.c b/plat/nxp/soc-ls1028a/soc.c
new file mode 100644
index 0000000..4f67154
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/soc.c
@@ -0,0 +1,420 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <endian.h>
+
+#include <arch.h>
+#include <caam.h>
+#include <cassert.h>
+#include <cci.h>
+#include <common/debug.h>
+#include <dcfg.h>
+#include <i2c.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <ls_interconnect.h>
+#include <mmio.h>
+#if TRUSTED_BOARD_BOOT
+#include <nxp_smmu.h>
+#endif
+#include <nxp_timer.h>
+#ifdef CONFIG_OCRAM_ECC_EN
+#include <ocram.h>
+#endif
+#include <plat_console.h>
+#include <plat_gic.h>
+#include <plat_tzc400.h>
+#include <pmu.h>
+#include <scfg.h>
+#if defined(NXP_SFP_ENABLED)
+#include <sfp.h>
+#endif
+
+#include <errata.h>
+#include "plat_common.h"
+#include "platform_def.h"
+#include "soc.h"
+
+static dcfg_init_info_t dcfg_init_data = {
+	.g_nxp_dcfg_addr = NXP_DCFG_ADDR,
+	.nxp_sysclk_freq = NXP_SYSCLK_FREQ,
+	.nxp_ddrclk_freq = NXP_DDRCLK_FREQ,
+	.nxp_plat_clk_divider = NXP_PLATFORM_CLK_DIVIDER,
+};
+
+static struct soc_type soc_list[] =  {
+	SOC_ENTRY(LS1017AN, LS1017AN, 1, 1),
+	SOC_ENTRY(LS1017AE, LS1017AE, 1, 1),
+	SOC_ENTRY(LS1018AN, LS1018AN, 1, 1),
+	SOC_ENTRY(LS1018AE, LS1018AE, 1, 1),
+	SOC_ENTRY(LS1027AN, LS1027AN, 1, 2),
+	SOC_ENTRY(LS1027AE, LS1027AE, 1, 2),
+	SOC_ENTRY(LS1028AN, LS1028AN, 1, 2),
+	SOC_ENTRY(LS1028AE, LS1028AE, 1, 2),
+};
+
+CASSERT(NUMBER_OF_CLUSTERS && NUMBER_OF_CLUSTERS <= 256,
+	assert_invalid_ls1028a_cluster_count);
+
+/*
+ * Function returns the base counter frequency
+ * after reading the first entry at CNTFID0 (0x20 offset).
+ *
+ * Function is used by:
+ *   1. ARM common code for PSCI management.
+ *   2. ARM Generic Timer init.
+ *
+ */
+unsigned int plat_get_syscnt_freq2(void)
+{
+	unsigned int counter_base_frequency;
+	/*
+	 * Below register specifies the base frequency of the system counter.
+	 * As per NXP Board Manuals:
+	 * The system counter always works with SYS_REF_CLK/4 frequency clock.
+	 */
+	counter_base_frequency = mmio_read_32(NXP_TIMER_ADDR + CNTFID_OFF);
+
+	return counter_base_frequency;
+}
+
+#ifdef IMAGE_BL2
+void soc_preload_setup(void)
+{
+}
+
+void soc_early_init(void)
+{
+	uint8_t num_clusters, cores_per_cluster;
+
+#ifdef CONFIG_OCRAM_ECC_EN
+	ocram_init(NXP_OCRAM_ADDR, NXP_OCRAM_SIZE);
+#endif
+	dcfg_init(&dcfg_init_data);
+	enable_timer_base_to_cluster(NXP_PMU_ADDR);
+	enable_core_tb(NXP_PMU_ADDR);
+	dram_regions_info_t *dram_regions_info = get_dram_regions_info();
+
+#ifdef POLICY_FUSE_PROVISION
+	gpio_init(&gpio_init_data);
+	sec_init(NXP_CAAM_ADDR);
+#endif
+
+#if LOG_LEVEL > 0
+	/* Initialize the console to provide early debug support */
+	plat_console_init(NXP_CONSOLE_ADDR,
+				NXP_UART_CLK_DIVIDER, NXP_CONSOLE_BAUDRATE);
+#endif
+	enum  boot_device dev = get_boot_dev();
+	/*
+	 * Mark the buffer for SD in OCRAM as non secure.
+	 * The buffer is assumed to be at end of OCRAM for
+	 * the logic below to calculate TZPC programming
+	 */
+	if (dev == BOOT_DEVICE_EMMC || dev == BOOT_DEVICE_SDHC2_EMMC) {
+		/*
+		 * Calculate the region in OCRAM which is secure
+		 * The buffer for SD needs to be marked non-secure
+		 * to allow SD to do DMA operations on it
+		 */
+		uint32_t secure_region = (NXP_OCRAM_SIZE - NXP_SD_BLOCK_BUF_SIZE);
+		uint32_t mask = secure_region/TZPC_BLOCK_SIZE;
+
+		mmio_write_32(NXP_OCRAM_TZPC_ADDR, mask);
+
+		/* Add the entry for buffer in MMU Table */
+		mmap_add_region(NXP_SD_BLOCK_BUF_ADDR, NXP_SD_BLOCK_BUF_ADDR,
+				NXP_SD_BLOCK_BUF_SIZE, MT_DEVICE | MT_RW | MT_NS);
+	}
+
+#if TRUSTED_BOARD_BOOT
+	uint32_t mode;
+
+	sfp_init(NXP_SFP_ADDR);
+
+	/*
+	 * For secure boot disable SMMU.
+	 * Later when platform security policy comes in picture,
+	 * this might get modified based on the policy
+	 */
+	if (check_boot_mode_secure(&mode) == true) {
+		bypass_smmu(NXP_SMMU_ADDR);
+	}
+
+	/*
+	 * For Mbedtls currently crypto is not supported via CAAM
+	 * enable it when that support is there. In tbbr.mk
+	 * the CAAM_INTEG is set as 0.
+	 */
+#ifndef MBEDTLS_X509
+	/* Initialize the crypto accelerator if enabled */
+	if (is_sec_enabled()) {
+		sec_init(NXP_CAAM_ADDR);
+	} else {
+		INFO("SEC is disabled.\n");
+	}
+#endif
+#endif
+
+	/* Set eDDRTQ for DDR performance */
+	scfg_setbits32((void *)(NXP_SCFG_ADDR + 0x210), 0x1f1f1f1f);
+
+	soc_errata();
+
+	/*
+	 * Initialize Interconnect for this cluster during cold boot.
+	 * No need for locks as no other CPU is active.
+	 */
+	cci_init(NXP_CCI_ADDR, cci_map, ARRAY_SIZE(cci_map));
+
+	/*
+	 * Enable Interconnect coherency for the primary CPU's cluster.
+	 */
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+	plat_ls_interconnect_enter_coherency(num_clusters);
+
+	delay_timer_init(NXP_TIMER_ADDR);
+	i2c_init(NXP_I2C_ADDR);
+	dram_regions_info->total_dram_size = init_ddr();
+}
+
+void soc_bl2_prepare_exit(void)
+{
+#if defined(NXP_SFP_ENABLED) && defined(DISABLE_FUSE_WRITE)
+	set_sfp_wr_disable();
+#endif
+}
+
+/*
+ * This function returns the boot device based on RCW_SRC
+ */
+enum boot_device get_boot_dev(void)
+{
+	enum boot_device src = BOOT_DEVICE_NONE;
+	uint32_t porsr1;
+	uint32_t rcw_src;
+
+	porsr1 = read_reg_porsr1();
+
+	rcw_src = (porsr1 & PORSR1_RCW_MASK) >> PORSR1_RCW_SHIFT;
+	switch (rcw_src) {
+	case FLEXSPI_NOR:
+		src = BOOT_DEVICE_FLEXSPI_NOR;
+		INFO("RCW BOOT SRC is FLEXSPI NOR\n");
+		break;
+	case FLEXSPI_NAND2K_VAL:
+	case FLEXSPI_NAND4K_VAL:
+		INFO("RCW BOOT SRC is FLEXSPI NAND\n");
+		src = BOOT_DEVICE_FLEXSPI_NAND;
+		break;
+	case SDHC1_VAL:
+		src = BOOT_DEVICE_EMMC;
+		INFO("RCW BOOT SRC is SD\n");
+		break;
+	case SDHC2_VAL:
+		src = BOOT_DEVICE_SDHC2_EMMC;
+		INFO("RCW BOOT SRC is EMMC\n");
+		break;
+	default:
+		break;
+	}
+
+	return src;
+}
+
+/*
+ * This function sets up access permissions on memory regions
+ ****************************************************************************/
+void soc_mem_access(void)
+{
+	dram_regions_info_t *info_dram_regions = get_dram_regions_info();
+	struct tzc400_reg tzc400_reg_list[MAX_NUM_TZC_REGION];
+	int dram_idx = 0;
+	/* index 0 is reserved for region-0 */
+	int index = 1;
+
+	for (dram_idx = 0; dram_idx < info_dram_regions->num_dram_regions;
+	     dram_idx++) {
+		if (info_dram_regions->region[dram_idx].size == 0) {
+			ERROR("DDR init failure, or");
+			ERROR("DRAM regions not populated correctly.\n");
+			break;
+		}
+
+		index = populate_tzc400_reg_list(tzc400_reg_list,
+				dram_idx, index,
+				info_dram_regions->region[dram_idx].addr,
+				info_dram_regions->region[dram_idx].size,
+				NXP_SECURE_DRAM_SIZE, NXP_SP_SHRD_DRAM_SIZE);
+	}
+
+	mem_access_setup(NXP_TZC_ADDR, index, tzc400_reg_list);
+}
+
+#else
+
+static unsigned char _power_domain_tree_desc[NUMBER_OF_CLUSTERS + 2];
+/*
+ * This function dynamically constructs the topology according to
+ *  SoC Flavor and returns it.
+ */
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+	uint8_t num_clusters, cores_per_cluster;
+	unsigned int i;
+
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+	/*
+	 * The highest level is the system level. The next level is constituted
+	 * by clusters and then cores in clusters.
+	 */
+	_power_domain_tree_desc[0] = 1;
+	_power_domain_tree_desc[1] = num_clusters;
+
+	for (i = 0; i < _power_domain_tree_desc[1]; i++)
+		_power_domain_tree_desc[i + 2] = cores_per_cluster;
+
+	return _power_domain_tree_desc;
+}
+
+/*
+ * This function returns the core count within the cluster corresponding to
+ * `mpidr`.
+ */
+unsigned int plat_ls_get_cluster_core_count(u_register_t mpidr)
+{
+	uint8_t num_clusters, cores_per_cluster;
+
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+	return num_clusters;
+}
+
+void soc_early_platform_setup2(void)
+{
+	dcfg_init(&dcfg_init_data);
+	/* Initialize system level generic timer for Socs */
+	delay_timer_init(NXP_TIMER_ADDR);
+
+#if LOG_LEVEL > 0
+	/* Initialize the console to provide early debug support */
+	plat_console_init(NXP_CONSOLE_ADDR,
+				NXP_UART_CLK_DIVIDER, NXP_CONSOLE_BAUDRATE);
+#endif
+}
+
+void soc_platform_setup(void)
+{
+	/* Initialize the GIC driver, cpu and distributor interfaces */
+	static uintptr_t target_mask_array[PLATFORM_CORE_COUNT];
+	static interrupt_prop_t ls_interrupt_props[] = {
+		PLAT_LS_G1S_IRQ_PROPS(INTR_GROUP1S),
+		PLAT_LS_G0_IRQ_PROPS(INTR_GROUP0)
+	};
+
+	plat_ls_gic_driver_init(NXP_GICD_ADDR, NXP_GICR_ADDR,
+				PLATFORM_CORE_COUNT,
+				ls_interrupt_props,
+				ARRAY_SIZE(ls_interrupt_props),
+				target_mask_array,
+				plat_core_pos);
+
+	plat_ls_gic_init();
+	enable_init_timer();
+}
+
+/* This function initializes the soc from the BL31 module */
+void soc_init(void)
+{
+	uint8_t num_clusters, cores_per_cluster;
+
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+
+	/* Low-level init of the soc */
+	soc_init_lowlevel();
+	_init_global_data();
+	soc_init_percpu();
+	_initialize_psci();
+
+	/*
+	 * Initialize Interconnect for this cluster during cold boot.
+	 * No need for locks as no other CPU is active.
+	 */
+	cci_init(NXP_CCI_ADDR, cci_map, ARRAY_SIZE(cci_map));
+
+	/* Enable Interconnect coherency for the primary CPU's cluster. */
+	plat_ls_interconnect_enter_coherency(num_clusters);
+
+	/* Set platform security policies */
+	_set_platform_security();
+
+	/* Init SEC Engine which will be used by SiP */
+	if (is_sec_enabled()) {
+		sec_init(NXP_CAAM_ADDR);
+	} else {
+		INFO("SEC is disabled.\n");
+	}
+}
+
+#ifdef NXP_WDOG_RESTART
+static uint64_t wdog_interrupt_handler(uint32_t id, uint32_t flags,
+					  void *handle, void *cookie)
+{
+	uint8_t data = WDOG_RESET_FLAG;
+
+	wr_nv_app_data(WDT_RESET_FLAG_OFFSET,
+			(uint8_t *)&data, sizeof(data));
+
+	mmio_write_32(NXP_RST_ADDR + RSTCNTL_OFFSET, SW_RST_REQ_INIT);
+
+	return 0;
+}
+#endif
+
+void soc_runtime_setup(void)
+{
+#ifdef NXP_WDOG_RESTART
+	request_intr_type_el3(BL31_NS_WDOG_WS1, wdog_interrupt_handler);
+#endif
+}
+
+/* This function returns the total number of cores in the SoC. */
+unsigned int get_tot_num_cores(void)
+{
+	uint8_t num_clusters, cores_per_cluster;
+
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+	return (num_clusters * cores_per_cluster);
+}
+
+/* This function returns the PMU IDLE Cluster mask. */
+unsigned int get_pmu_idle_cluster_mask(void)
+{
+	uint8_t num_clusters, cores_per_cluster;
+
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+	return ((1 << num_clusters) - 2);
+}
+
+/* This function returns the PMU Flush Cluster mask. */
+unsigned int get_pmu_flush_cluster_mask(void)
+{
+	uint8_t num_clusters, cores_per_cluster;
+
+	get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+	return ((1 << num_clusters) - 2);
+}
+
+/* This function returns the PMU idle core mask. */
+unsigned int get_pmu_idle_core_mask(void)
+{
+	return ((1 << get_tot_num_cores()) - 2);
+}
+
+/* Function to return the SoC SYS CLK */
+unsigned int get_sys_clk(void)
+{
+	return NXP_SYSCLK_FREQ;
+}
+#endif
diff --git a/plat/nxp/soc-ls1028a/soc.def b/plat/nxp/soc-ls1028a/soc.def
new file mode 100644
index 0000000..e133982
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/soc.def
@@ -0,0 +1,95 @@
+#
+# Copyright 2018-2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+#------------------------------------------------------------------------------
+#
+# This file contains the basic architecture definitions that drive the build
+#
+# -----------------------------------------------------------------------------
+
+CORE_TYPE	:=	a72
+
+CACHE_LINE	:=	6
+
+# Set to GIC400 or GIC500
+GIC		:=	GIC500
+
+# Set to CCI400 or CCN504 or CCN508
+INTERCONNECT	:=	CCI400
+
+# Layerscape chassis level - set to 3=LSCH3 or 2=LSCH2
+CHASSIS		:=	3_2
+
+# TZC used is TZC380 or TZC400
+TZC_ID		:=	TZC400
+
+# CONSOLE is NS16550 or PL011
+CONSOLE		:=	NS16550
+
+# DDR PHY generation to be used
+PLAT_DDR_PHY	:=	PHY_GEN1
+
+PHYS_SYS	:=	64
+
+# Max Size of CSF header. Required to define BL2 TEXT LIMIT in soc.def
+# Input to CST create_hdr_esbc tool
+CSF_HDR_SZ	:=	0x3000
+
+# In IMAGE_BL2, compile time flag for handling Cache coherency
+# with CAAM for BL2 running from OCRAM
+SEC_MEM_NON_COHERENT	:=	yes
+
+# OCRAM MAP for BL2
+# Before BL2
+# 0x18000000 - 0x18009fff -> Used by ROM code
+# 0x1800a000 - 0x1800dfff -> CSF header for BL2
+# For FlexSFlexSPI boot
+# 0x1800e000 - 0x18040000 -> Reserved for BL2 binary
+# For SD boot
+# 0x1800e000 - 0x18030000 -> Reserved for BL2 binary
+# 0x18030000 - 0x18040000 -> Reserved for SD buffer
+OCRAM_START_ADDR	:=	0x18000000
+OCRAM_SIZE		:=	0x40000
+
+# Area of OCRAM reserved by ROM code
+NXP_ROM_RSVD	:=	0xa000
+
+# Location of BL2 on OCRAM
+BL2_BASE_ADDR	:=	$(shell echo $$(( $(OCRAM_START_ADDR) + $(NXP_ROM_RSVD) + $(CSF_HDR_SZ) )))
+
+# Covert to HEX to be used by create_pbl.mk
+BL2_BASE	:=	$(shell echo "0x"$$(echo "obase=16; ${BL2_BASE_ADDR}" | bc))
+
+# BL2_HDR_LOC is at  (BL2_BASE + NXP_ROM_RSVD)
+# This value BL2_HDR_LOC + CSF_HDR_SZ should not
+# overalp with BL2_BASE
+# Input to CST create_hdr_isbc tool
+BL2_HDR_LOC	:=	0x1800A000
+
+# SoC ERRATAS to be enabled
+ERRATA_SOC_A008850	:=	1
+
+ERRATA_DDR_A009803	:=	1
+ERRATA_DDR_A009942	:=	1
+ERRATA_DDR_A010165	:=	1
+
+# Enable dynamic memory mapping
+PLAT_XLAT_TABLES_DYNAMIC	:=	1
+
+# Define Endianness of each module
+NXP_GUR_ENDIANNESS	:=	LE
+NXP_DDR_ENDIANNESS	:=	LE
+NXP_SEC_ENDIANNESS	:=	LE
+NXP_SFP_ENDIANNESS	:=	LE
+NXP_SNVS_ENDIANNESS	:=	LE
+NXP_ESDHC_ENDIANNESS	:=	LE
+NXP_QSPI_ENDIANNESS	:=	LE
+NXP_FSPI_ENDIANNESS	:=	LE
+
+NXP_SFP_VER		:=	3_4
+
+# OCRAM ECC Enabled
+OCRAM_ECC_EN		:=	yes
diff --git a/plat/nxp/soc-ls1028a/soc.mk b/plat/nxp/soc-ls1028a/soc.mk
new file mode 100644
index 0000000..92d8e98
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/soc.mk
@@ -0,0 +1,113 @@
+#
+# Copyright 2020-2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# SoC-specific build parameters
+SOC			:=	ls1028a
+PLAT_PATH		:=	plat/nxp
+PLAT_COMMON_PATH	:=	plat/nxp/common
+PLAT_DRIVERS_PATH	:=	drivers/nxp
+PLAT_SOC_PATH		:=	${PLAT_PATH}/soc-${SOC}
+BOARD_PATH		:=	${PLAT_SOC_PATH}/${BOARD}
+
+# Get SoC-specific definitions
+include ${PLAT_SOC_PATH}/soc.def
+include ${PLAT_COMMON_PATH}/plat_make_helper/soc_common_def.mk
+include ${PLAT_COMMON_PATH}/plat_make_helper/plat_build_macros.mk
+
+ifeq (${TRUSTED_BOARD_BOOT},1)
+$(eval $(call SET_NXP_MAKE_FLAG,SMMU_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,SFP_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,SNVS_NEEDED,BL2))
+SECURE_BOOT := yes
+endif
+$(eval $(call SET_NXP_MAKE_FLAG,CRYPTO_NEEDED,BL_COMM))
+
+$(eval $(call SET_NXP_MAKE_FLAG,DCFG_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,TIMER_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,INTERCONNECT_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,GIC_NEEDED,BL31))
+$(eval $(call SET_NXP_MAKE_FLAG,CONSOLE_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,PMU_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,DDR_DRIVER_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,TZASC_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,I2C_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,IMG_LOADR_NEEDED,BL2))
+
+# Selecting PSCI & SIP_SVC support
+$(eval $(call SET_NXP_MAKE_FLAG,PSCI_NEEDED,BL31))
+$(eval $(call SET_NXP_MAKE_FLAG,SIPSVC_NEEDED,BL31))
+
+PLAT_INCLUDES		+=	-I${PLAT_COMMON_PATH}/include/default\
+				-I${BOARD_PATH}\
+				-I${PLAT_COMMON_PATH}/include/default/ch_${CHASSIS}\
+				-I${PLAT_SOC_PATH}/include\
+				-I${PLAT_COMMON_PATH}/soc_errata
+
+ifeq (${SECURE_BOOT},yes)
+include ${PLAT_COMMON_PATH}/tbbr/tbbr.mk
+endif
+
+ifeq ($(WARM_BOOT),yes)
+include ${PLAT_COMMON_PATH}/warm_reset/warm_reset.mk
+endif
+
+ifeq (${NXP_NV_SW_MAINT_LAST_EXEC_DATA}, yes)
+include ${PLAT_COMMON_PATH}/nv_storage/nv_storage.mk
+endif
+
+ifeq (${PSCI_NEEDED}, yes)
+include ${PLAT_COMMON_PATH}/psci/psci.mk
+endif
+
+ifeq (${SIPSVC_NEEDED}, yes)
+include ${PLAT_COMMON_PATH}/sip_svc/sipsvc.mk
+endif
+
+ifeq (${DDR_FIP_IO_NEEDED}, yes)
+include ${PLAT_COMMON_PATH}/fip_handler/ddr_fip/ddr_fip_io.mk
+endif
+
+# For fuse-fip & fuse-programming
+ifeq (${FUSE_PROG}, 1)
+include ${PLAT_COMMON_PATH}/fip_handler/fuse_fip/fuse.mk
+endif
+
+ifeq (${IMG_LOADR_NEEDED},yes)
+include $(PLAT_COMMON_PATH)/img_loadr/img_loadr.mk
+endif
+
+# Adding source files for the above selected drivers.
+include ${PLAT_DRIVERS_PATH}/drivers.mk
+
+# Adding SoC specific files
+include ${PLAT_COMMON_PATH}/soc_errata/errata.mk
+
+PLAT_INCLUDES		+=	${NV_STORAGE_INCLUDES}\
+				${WARM_RST_INCLUDES}
+
+BL31_SOURCES		+=	${PLAT_SOC_PATH}/$(ARCH)/${SOC}.S\
+				${WARM_RST_BL31_SOURCES}\
+				${PSCI_SOURCES}\
+				${SIPSVC_SOURCES}\
+				${PLAT_COMMON_PATH}/$(ARCH)/bl31_data.S
+
+PLAT_BL_COMMON_SOURCES	+=	${PLAT_COMMON_PATH}/$(ARCH)/ls_helpers.S\
+				${PLAT_SOC_PATH}/aarch64/${SOC}_helpers.S\
+				${NV_STORAGE_SOURCES}\
+				${WARM_RST_BL_COMM_SOURCES}\
+				${PLAT_SOC_PATH}/soc.c
+
+ifeq (${TEST_BL31}, 1)
+BL31_SOURCES	+=	${PLAT_SOC_PATH}/$(ARCH)/bootmain64.S \
+			${PLAT_SOC_PATH}/$(ARCH)/nonboot64.S
+endif
+
+BL2_SOURCES		+=	${DDR_CNTLR_SOURCES}\
+				${TBBR_SOURCES}\
+				${FUSE_SOURCES}
+
+# Adding TFA setup files
+include ${PLAT_PATH}/common/setup/common.mk
diff --git a/plat/qti/common/inc/qti_cpu.h b/plat/qti/common/inc/qti_cpu.h
index 3eda02b..3316f7b 100644
--- a/plat/qti/common/inc/qti_cpu.h
+++ b/plat/qti/common/inc/qti_cpu.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -13,4 +13,10 @@
 /* KRYO-4xx Silver MIDR */
 #define QTI_KRYO4_SILVER_MIDR	0x517F805D
 
+/* KRYO-6xx Gold MIDR */
+#define QTI_KRYO6_GOLD_MIDR	0x412FD410
+
+/* KRYO-6xx Silver MIDR */
+#define QTI_KRYO6_SILVER_MIDR	0x412FD050
+
 #endif /* QTI_CPU_H */
diff --git a/plat/qti/common/src/aarch64/qti_kryo6_gold.S b/plat/qti/common/src/aarch64/qti_kryo6_gold.S
new file mode 100644
index 0000000..db1a304
--- /dev/null
+++ b/plat/qti/common/src/aarch64/qti_kryo6_gold.S
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <cpu_macros.S>
+
+#include <plat_macros.S>
+#include <qti_cpu.h>
+
+	.p2align 3
+
+/* -------------------------------------------------
+ * The CPU Ops reset function for Kryo-3 Gold
+ * -------------------------------------------------
+ */
+func qti_kryo6_gold_reset_func
+#if IMAGE_BL31 && WORKAROUND_CVE_2017_5715
+	adr	x0, wa_cve_2017_5715_bpiall_vbar
+	msr	vbar_el3, x0
+	isb
+#endif
+
+	mov	x19, x30
+
+	bl	qtiseclib_kryo6_gold_reset_asm
+
+	ret	x19
+
+endfunc qti_kryo6_gold_reset_func
+
+/* ----------------------------------------------------
+ * The CPU Ops core power down function for Kryo-3 Gold
+ * ----------------------------------------------------
+ */
+func qti_kryo6_gold_core_pwr_dwn
+	ret
+endfunc qti_kryo6_gold_core_pwr_dwn
+
+/* -------------------------------------------------------
+ * The CPU Ops cluster power down function for Kryo-3 Gold
+ * -------------------------------------------------------
+ */
+func qti_kryo6_gold_cluster_pwr_dwn
+	ret
+endfunc qti_kryo6_gold_cluster_pwr_dwn
+
+#if REPORT_ERRATA
+/*
+ * Errata printing function for Kryo4 Gold. Must follow AAPCS.
+ */
+func qti_kryo6_gold_errata_report
+	/* TODO : Need to add support. Required only for debug bl31 image.*/
+	ret
+endfunc qti_kryo6_gold_errata_report
+#endif
+
+/* ---------------------------------------------
+ * This function provides kryo4_gold specific
+ * register information for crash reporting.
+ * It needs to return with x6 pointing to
+ * a list of register names in ASCII and
+ * x8 - x15 having values of registers to be
+ * reported.
+ * ---------------------------------------------
+ */
+.section .rodata.qti_kryo4_gold_regs, "aS"
+qti_kryo6_gold_regs:  /* The ASCII list of register names to be reported */
+	.asciz	""
+
+func qti_kryo6_gold_cpu_reg_dump
+	adr	x6, qti_kryo6_gold_regs
+	ret
+endfunc qti_kryo6_gold_cpu_reg_dump
+
+declare_cpu_ops	qti_kryo6_gold, QTI_KRYO6_GOLD_MIDR,	\
+		qti_kryo6_gold_reset_func,		\
+		qti_kryo6_gold_core_pwr_dwn,	\
+		qti_kryo6_gold_cluster_pwr_dwn
diff --git a/plat/qti/common/src/aarch64/qti_kryo6_silver.S b/plat/qti/common/src/aarch64/qti_kryo6_silver.S
new file mode 100644
index 0000000..2d189f2
--- /dev/null
+++ b/plat/qti/common/src/aarch64/qti_kryo6_silver.S
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <cpu_macros.S>
+
+#include <plat_macros.S>
+#include <qti_cpu.h>
+
+	.p2align 3
+
+/* -------------------------------------------------
+ * The CPU Ops reset function for Kryo-3 Silver
+ * -------------------------------------------------
+ */
+func qti_kryo6_silver_reset_func
+	mov	x19, x30
+
+	bl	qtiseclib_kryo6_silver_reset_asm
+
+	ret	x19
+
+endfunc qti_kryo6_silver_reset_func
+
+/* ------------------------------------------------------
+ * The CPU Ops core power down function for Kryo-3 Silver
+ * ------------------------------------------------------
+ */
+func qti_kryo6_silver_core_pwr_dwn
+	ret
+endfunc qti_kryo6_silver_core_pwr_dwn
+
+/* ---------------------------------------------------------
+ * The CPU Ops cluster power down function for Kryo-3 Silver
+ * ---------------------------------------------------------
+ */
+func qti_kryo6_silver_cluster_pwr_dwn
+	ret
+endfunc qti_kryo6_silver_cluster_pwr_dwn
+
+#if REPORT_ERRATA
+/*
+ * Errata printing function for Kryo4 Silver. Must follow AAPCS.
+ */
+func qti_kryo6_silver_errata_report
+	/* TODO : Need to add support. Required only for debug bl31 image.*/
+	ret
+endfunc qti_kryo6_silver_errata_report
+#endif
+
+
+/* ---------------------------------------------
+ * This function provides kryo4_silver specific
+ * register information for crash reporting.
+ * It needs to return with x6 pointing to
+ * a list of register names in ASCII and
+ * x8 - x15 having values of registers to be
+ * reported.
+ * ---------------------------------------------
+ */
+.section .rodata.qti_kryo4_silver_regs, "aS"
+qti_kryo6_silver_regs:  /* The ASCII list of register names to be reported */
+	.asciz	""
+
+func qti_kryo6_silver_cpu_reg_dump
+	adr	x6, qti_kryo6_silver_regs
+	ret
+endfunc qti_kryo6_silver_cpu_reg_dump
+
+
+declare_cpu_ops	qti_kryo6_silver, QTI_KRYO6_SILVER_MIDR,	\
+		qti_kryo6_silver_reset_func,		\
+		qti_kryo6_silver_core_pwr_dwn,		\
+		qti_kryo6_silver_cluster_pwr_dwn
diff --git a/plat/qti/common/src/qti_gic_v3.c b/plat/qti/common/src/qti_gic_v3.c
index a5e0ae7..f00267a 100644
--- a/plat/qti/common/src/qti_gic_v3.c
+++ b/plat/qti/common/src/qti_gic_v3.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
- * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -72,6 +72,16 @@
 	INTR_PROP_DESC(QTISECLIB_INT_ID_MMSS_NOC_ERROR,
 		       GIC_HIGHEST_SEC_PRIORITY, INTR_GROUP0,
 		       GIC_INTR_CFG_EDGE),
+#ifdef QTISECLIB_INT_ID_LPASS_AGNOC_ERROR
+	INTR_PROP_DESC(QTISECLIB_INT_ID_LPASS_AGNOC_ERROR, GIC_HIGHEST_SEC_PRIORITY,
+		       INTR_GROUP0,
+		       GIC_INTR_CFG_EDGE),
+#endif
+#ifdef QTISECLIB_INT_ID_NSP_NOC_ERROR
+	INTR_PROP_DESC(QTISECLIB_INT_ID_NSP_NOC_ERROR, GIC_HIGHEST_SEC_PRIORITY,
+		       INTR_GROUP0,
+		       GIC_INTR_CFG_EDGE),
+#endif
 };
 
 const gicv3_driver_data_t qti_gic_data = {
diff --git a/plat/qti/qtiseclib/inc/qtiseclib_interface.h b/plat/qti/qtiseclib/inc/qtiseclib_interface.h
index 315bd6b..babed1b 100644
--- a/plat/qti/qtiseclib/inc/qtiseclib_interface.h
+++ b/plat/qti/qtiseclib/inc/qtiseclib_interface.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -50,6 +50,14 @@
 void qtiseclib_kryo4_gold_reset_asm(void);
 
 /*
+ * Execute CPU (Kryo46 gold) specific reset handler / system initialization.
+ * This takes care of executing required CPU errata's.
+ *
+ * Clobbers: x0 - x16
+ */
+void qtiseclib_kryo6_gold_reset_asm(void);
+
+/*
  * Execute CPU (Kryo4 silver) specific reset handler / system initialization.
  * This takes care of executing required CPU errata's.
  *
@@ -58,6 +66,14 @@
 void qtiseclib_kryo4_silver_reset_asm(void);
 
 /*
+ * Execute CPU (Kryo6 silver) specific reset handler / system initialization.
+ * This takes care of executing required CPU errata's.
+ *
+ * Clobbers: x0 - x16
+ */
+void qtiseclib_kryo6_silver_reset_asm(void);
+
+/*
  * C Api's
  */
 void qtiseclib_bl31_platform_setup(void);
diff --git a/plat/qti/qtiseclib/inc/sc7280/qtiseclib_defs_plat.h b/plat/qti/qtiseclib/inc/sc7280/qtiseclib_defs_plat.h
new file mode 100644
index 0000000..b3d309f
--- /dev/null
+++ b/plat/qti/qtiseclib/inc/sc7280/qtiseclib_defs_plat.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __QTISECLIB_DEFS_PLAT_H__
+#define __QTISECLIB_DEFS_PLAT_H__
+
+#define QTISECLIB_PLAT_CLUSTER_COUNT	1
+#define QTISECLIB_PLAT_CORE_COUNT	8
+
+#define BL31_BASE						0xC0000000
+#define BL31_SIZE						0x00100000
+
+/*----------------------------------------------------------------------------*/
+/* AOP CMD DB  address space for mapping */
+/*----------------------------------------------------------------------------*/
+#define QTI_AOP_CMD_DB_BASE			0x80860000
+#define QTI_AOP_CMD_DB_SIZE			0x00020000
+
+/* Chipset specific secure interrupt number/ID defs. */
+#define QTISECLIB_INT_ID_SEC_WDOG_BARK			(0x204)
+#define QTISECLIB_INT_ID_NON_SEC_WDOG_BITE		(0x21)
+
+#define QTISECLIB_INT_ID_VMIDMT_ERR_CLT_SEC		(0xE6)
+#define QTISECLIB_INT_ID_VMIDMT_ERR_CLT_NONSEC		(0xE7)
+#define QTISECLIB_INT_ID_VMIDMT_ERR_CFG_SEC		(0xE8)
+#define QTISECLIB_INT_ID_VMIDMT_ERR_CFG_NONSEC		(0xE9)
+
+#define QTISECLIB_INT_ID_XPU_SEC			(0xE3)
+#define QTISECLIB_INT_ID_XPU_NON_SEC			(0xE4)
+
+//NOC INterrupt
+#define QTISECLIB_INT_ID_A1_NOC_ERROR			(0xC9)
+#define QTISECLIB_INT_ID_A2_NOC_ERROR			(0xEA)
+#define QTISECLIB_INT_ID_CONFIG_NOC_ERROR		(0xE2)
+#define QTISECLIB_INT_ID_DC_NOC_ERROR			(0x122)
+#define QTISECLIB_INT_ID_MEM_NOC_ERROR			(0x6C)
+#define QTISECLIB_INT_ID_SYSTEM_NOC_ERROR		(0xC8)
+#define QTISECLIB_INT_ID_MMSS_NOC_ERROR			(0xBA)
+#define QTISECLIB_INT_ID_LPASS_AGNOC_ERROR		(0x143)
+#define QTISECLIB_INT_ID_NSP_NOC_ERROR			(0x1CE)
+
+#endif /* __QTISECLIB_DEFS_PLAT_H__ */
diff --git a/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c b/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c
index bb552c6..c4cd259 100644
--- a/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c
+++ b/plat/qti/qtiseclib/src/qtiseclib_cb_interface.c
@@ -132,6 +132,10 @@
 	void *ctx;
 
 	ctx = cm_get_context(NON_SECURE);
+	if (ctx) {
+		/* nothing to be done w/o ns context */
+		return;
+	}
 
 	qti_ns_ctx->spsr_el3 =
 	    read_ctx_reg(get_el3state_ctx(ctx), CTX_SPSR_EL3);
diff --git a/plat/qti/sc7280/inc/platform_def.h b/plat/qti/sc7280/inc/platform_def.h
new file mode 100644
index 0000000..660cb33
--- /dev/null
+++ b/plat/qti/sc7280/inc/platform_def.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2018, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+/* Enable the dynamic translation tables library. */
+#define PLAT_XLAT_TABLES_DYNAMIC	1
+
+#include <common_def.h>
+
+#include <qti_board_def.h>
+#include <qtiseclib_defs_plat.h>
+
+/*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------*/
+/*
+ * MPIDR_PRIMARY_CPU
+ * You just need to have the correct core_affinity_val i.e. [7:0]
+ * and cluster_affinity_val i.e. [15:8]
+ * the other bits will be ignored
+ */
+/*----------------------------------------------------------------------------*/
+#define MPIDR_PRIMARY_CPU	0x0000
+/*----------------------------------------------------------------------------*/
+
+#define QTI_PWR_LVL0		MPIDR_AFFLVL0
+#define QTI_PWR_LVL1		MPIDR_AFFLVL1
+#define QTI_PWR_LVL2		MPIDR_AFFLVL2
+#define QTI_PWR_LVL3		MPIDR_AFFLVL3
+
+/*
+ *  Macros for local power states encoded by State-ID field
+ *  within the power-state parameter.
+ */
+/* Local power state for power domains in Run state. */
+#define QTI_LOCAL_STATE_RUN	0
+/*
+ * Local power state for clock-gating. Valid only for CPU and not cluster power
+ * domains
+ */
+#define QTI_LOCAL_STATE_STB	1
+/*
+ * Local power state for retention. Valid for CPU and cluster power
+ * domains
+ */
+#define QTI_LOCAL_STATE_RET	2
+/*
+ * Local power state for OFF/power down. Valid for CPU, cluster, RSC and PDC
+ * power domains
+ */
+#define QTI_LOCAL_STATE_OFF	3
+/*
+ * Local power state for DEEPOFF/power rail down. Valid for CPU, cluster and RSC
+ * power domains
+ */
+#define QTI_LOCAL_STATE_DEEPOFF	4
+
+/*
+ * This macro defines the deepest retention state possible. A higher state
+ * id will represent an invalid or a power down state.
+ */
+#define PLAT_MAX_RET_STATE	QTI_LOCAL_STATE_RET
+
+/*
+ * This macro defines the deepest power down states possible. Any state ID
+ * higher than this is invalid.
+ */
+#define PLAT_MAX_OFF_STATE	QTI_LOCAL_STATE_DEEPOFF
+
+/******************************************************************************
+ * Required platform porting definitions common to all ARM standard platforms
+ *****************************************************************************/
+
+/*
+ * Platform specific page table and MMU setup constants.
+ */
+#define MAX_MMAP_REGIONS	(PLAT_QTI_MMAP_ENTRIES)
+
+#define PLAT_PHY_ADDR_SPACE_SIZE	(1ull << 36)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(1ull << 36)
+
+#define ARM_CACHE_WRITEBACK_SHIFT	6
+
+/*
+ * Some data must be aligned on the biggest cache line size in the platform.
+ * This is known only to the platform as it might have a combination of
+ * integrated and external caches.
+ */
+#define CACHE_WRITEBACK_GRANULE		(1 << ARM_CACHE_WRITEBACK_SHIFT)
+
+/*
+ * One cache line needed for bakery locks on ARM platforms
+ */
+#define PLAT_PERCPU_BAKERY_LOCK_SIZE	(1 * CACHE_WRITEBACK_GRANULE)
+
+/*----------------------------------------------------------------------------*/
+/* PSCI power domain topology definitions */
+/*----------------------------------------------------------------------------*/
+/* One domain each to represent RSC and PDC level */
+#define PLAT_PDC_COUNT			1
+#define PLAT_RSC_COUNT			1
+
+/* There is one top-level FCM cluster */
+#define PLAT_CLUSTER_COUNT		1
+
+/* No. of cores in the FCM cluster */
+#define PLAT_CLUSTER0_CORE_COUNT	8
+
+#define PLATFORM_CORE_COUNT		(PLAT_CLUSTER0_CORE_COUNT)
+
+#define PLAT_NUM_PWR_DOMAINS		(PLAT_PDC_COUNT +\
+					PLAT_RSC_COUNT	+\
+					PLAT_CLUSTER_COUNT	+\
+					PLATFORM_CORE_COUNT)
+
+#define PLAT_MAX_PWR_LVL		3
+
+/*****************************************************************************/
+/* Memory mapped Generic timer interfaces  */
+/*****************************************************************************/
+
+/*----------------------------------------------------------------------------*/
+/* GIC-600 constants */
+/*----------------------------------------------------------------------------*/
+#define BASE_GICD_BASE		0x17A00000
+#define BASE_GICR_BASE		0x17A60000
+#define BASE_GICC_BASE		0x0
+#define BASE_GICH_BASE		0x0
+#define BASE_GICV_BASE		0x0
+
+#define QTI_GICD_BASE		BASE_GICD_BASE
+#define QTI_GICR_BASE		BASE_GICR_BASE
+#define QTI_GICC_BASE		BASE_GICC_BASE
+
+/*----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------*/
+/* UART related constants. */
+/*----------------------------------------------------------------------------*/
+/* BASE ADDRESS OF DIFFERENT REGISTER SPACES IN HW */
+#define GENI4_CFG				0x0
+#define GENI4_IMAGE_REGS			0x100
+#define GENI4_DATA				0x600
+
+/* COMMON STATUS/CONFIGURATION REGISTERS AND MASKS */
+#define GENI_STATUS_REG				(GENI4_CFG + 0x00000040)
+#define GENI_STATUS_M_GENI_CMD_ACTIVE_MASK	(0x1)
+#define UART_TX_TRANS_LEN_REG			(GENI4_IMAGE_REGS + 0x00000170)
+/* MASTER/TX ENGINE REGISTERS */
+#define GENI_M_CMD0_REG				(GENI4_DATA + 0x00000000)
+/* FIFO, STATUS REGISTERS AND MASKS */
+#define GENI_TX_FIFOn_REG			(GENI4_DATA + 0x00000100)
+
+#define GENI_M_CMD_TX				(0x08000000)
+
+/*----------------------------------------------------------------------------*/
+/* Device address space for mapping. Excluding starting 4K */
+/*----------------------------------------------------------------------------*/
+#define QTI_DEVICE_BASE				0x1000
+#define QTI_DEVICE_SIZE				(0x80000000 - QTI_DEVICE_BASE)
+
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL31 at DDR as per memory map. BL31_BASE is calculated using the
+ * current BL31 debug size plus a little space for growth.
+ */
+#define BL31_LIMIT				(BL31_BASE + BL31_SIZE)
+
+/*----------------------------------------------------------------------------*/
+/* AOSS registers */
+/*----------------------------------------------------------------------------*/
+#define QTI_PS_HOLD_REG				0x0C264000
+/*----------------------------------------------------------------------------*/
+/* AOP CMD DB  address space for mapping */
+/*----------------------------------------------------------------------------*/
+#define QTI_AOP_CMD_DB_BASE			0x80860000
+#define QTI_AOP_CMD_DB_SIZE			0x00020000
+/*----------------------------------------------------------------------------*/
+/* SOC hw version register */
+/*----------------------------------------------------------------------------*/
+#define QTI_SOC_VERSION				U(0x7280)
+#define QTI_SOC_VERSION_MASK			U(0xFFFF)
+#define QTI_SOC_REVISION_REG			0x1FC8000
+#define QTI_SOC_REVISION_MASK			U(0xFFFF)
+/*----------------------------------------------------------------------------*/
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/qti/sc7280/inc/qti_rng_io.h b/plat/qti/sc7280/inc/qti_rng_io.h
new file mode 100644
index 0000000..0f41fd6
--- /dev/null
+++ b/plat/qti/sc7280/inc/qti_rng_io.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef QTI_RNG_IO_H
+#define QTI_RNG_IO_H
+
+#define SEC_PRNG_STATUS			0x10D1004
+#define SEC_PRNG_STATUS_DATA_AVAIL_BMSK	0x1
+#define SEC_PRNG_DATA_OUT		0x10D1000
+
+
+#endif /* QTI_RNG_IO_H */
+
diff --git a/plat/qti/sc7280/inc/qti_secure_io_cfg.h b/plat/qti/sc7280/inc/qti_secure_io_cfg.h
new file mode 100644
index 0000000..058c5b5
--- /dev/null
+++ b/plat/qti/sc7280/inc/qti_secure_io_cfg.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef QTI_SECURE_IO_CFG_H
+#define QTI_SECURE_IO_CFG_H
+
+#include <stdint.h>
+
+/*
+ * List of peripheral/IO memory areas that are protected from
+ * non-secure world but not required to be secure.
+ */
+
+#define APPS_SMMU_TBU_PWR_STATUS		0x15002204
+#define APPS_SMMU_CUSTOM_CFG			0x15002300
+#define APPS_SMMU_STATS_SYNC_INV_TBU_ACK	0x150025DC
+#define APPS_SMMU_SAFE_SEC_CFG			0x15002648
+#define APPS_SMMU_MMU2QSS_AND_SAFE_WAIT_CNTR	0x15002670
+
+static const uintptr_t qti_secure_io_allowed_regs[] = {
+	APPS_SMMU_TBU_PWR_STATUS,
+	APPS_SMMU_CUSTOM_CFG,
+	APPS_SMMU_STATS_SYNC_INV_TBU_ACK,
+	APPS_SMMU_SAFE_SEC_CFG,
+	APPS_SMMU_MMU2QSS_AND_SAFE_WAIT_CNTR,
+};
+
+#endif /* QTI_SECURE_IO_CFG_H */
diff --git a/plat/qti/sc7280/platform.mk b/plat/qti/sc7280/platform.mk
new file mode 100644
index 0000000..6e26781
--- /dev/null
+++ b/plat/qti/sc7280/platform.mk
@@ -0,0 +1,119 @@
+#
+# Copyright (c) 2017-2018, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Make for SC7280 QTI platform.
+
+QTI_PLAT_PATH		:=	plat/qti
+CHIPSET			:=	${PLAT}
+
+# Turn On Separate code & data.
+SEPARATE_CODE_AND_RODATA	:=	1
+USE_COHERENT_MEM		:=	1
+WARMBOOT_ENABLE_DCACHE_EARLY	:=	1
+
+# Disable the PSCI platform compatibility layer
+ENABLE_PLAT_COMPAT		:=	0
+
+# Enable PSCI v1.0 extended state ID format
+PSCI_EXTENDED_STATE_ID	:=  1
+ARM_RECOM_STATE_ID_ENC  :=  1
+
+COLD_BOOT_SINGLE_CPU		:=	1
+PROGRAMMABLE_RESET_ADDRESS	:=	1
+
+RESET_TO_BL31			:=	0
+
+MULTI_CONSOLE_API		:=	1
+
+QTI_SDI_BUILD := 0
+$(eval $(call assert_boolean,QTI_SDI_BUILD))
+$(eval $(call add_define,QTI_SDI_BUILD))
+
+#disable CTX_INCLUDE_AARCH32_REGS to support sc7280 gold cores
+override CTX_INCLUDE_AARCH32_REGS	:=	0
+WORKAROUND_CVE_2017_5715		:=      0
+DYNAMIC_WORKAROUND_CVE_2018_3639	:=      1
+# Enable stack protector.
+ENABLE_STACK_PROTECTOR := strong
+
+
+QTI_EXTERNAL_INCLUDES	:=	-I${QTI_PLAT_PATH}/${CHIPSET}/inc			\
+				-I${QTI_PLAT_PATH}/common/inc				\
+				-I${QTI_PLAT_PATH}/common/inc/$(ARCH)			\
+				-I${QTI_PLAT_PATH}/qtiseclib/inc			\
+				-I${QTI_PLAT_PATH}/qtiseclib/inc/${CHIPSET}			\
+
+QTI_BL31_SOURCES	:=	$(QTI_PLAT_PATH)/common/src/$(ARCH)/qti_helpers.S	\
+				$(QTI_PLAT_PATH)/common/src/$(ARCH)/qti_kryo6_silver.S	\
+				$(QTI_PLAT_PATH)/common/src/$(ARCH)/qti_kryo6_gold.S	\
+				$(QTI_PLAT_PATH)/common/src/$(ARCH)/qti_uart_console.S	\
+				$(QTI_PLAT_PATH)/common/src/pm8998.c			\
+				$(QTI_PLAT_PATH)/common/src/qti_stack_protector.c	\
+				$(QTI_PLAT_PATH)/common/src/qti_common.c		\
+				$(QTI_PLAT_PATH)/common/src/qti_bl31_setup.c		\
+				$(QTI_PLAT_PATH)/common/src/qti_gic_v3.c		\
+				$(QTI_PLAT_PATH)/common/src/qti_interrupt_svc.c		\
+				$(QTI_PLAT_PATH)/common/src/qti_syscall.c		\
+				$(QTI_PLAT_PATH)/common/src/qti_topology.c		\
+				$(QTI_PLAT_PATH)/common/src/qti_pm.c			\
+				$(QTI_PLAT_PATH)/common/src/qti_rng.c			\
+				$(QTI_PLAT_PATH)/common/src/spmi_arb.c			\
+				$(QTI_PLAT_PATH)/qtiseclib/src/qtiseclib_cb_interface.c	\
+
+
+PLAT_INCLUDES		:=	-Iinclude/plat/common/					\
+
+PLAT_INCLUDES		+=	${QTI_EXTERNAL_INCLUDES}
+
+include lib/xlat_tables_v2/xlat_tables.mk
+PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}					\
+				plat/common/aarch64/crash_console_helpers.S    \
+				common/desc_image_load.c			\
+				lib/bl_aux_params/bl_aux_params.c		\
+
+include lib/coreboot/coreboot.mk
+
+#PSCI Sources.
+PSCI_SOURCES		:=	plat/common/plat_psci_common.c				\
+
+# GIC-600 configuration
+GICV3_SUPPORT_GIC600	:=	1
+# Include GICv3 driver files
+include drivers/arm/gic/v3/gicv3.mk
+
+#Timer sources
+TIMER_SOURCES		:=	drivers/delay_timer/generic_delay_timer.c	\
+				drivers/delay_timer/delay_timer.c		\
+
+#GIC sources.
+GIC_SOURCES		:=	plat/common/plat_gicv3.c			\
+				${GICV3_SOURCES}				\
+
+BL31_SOURCES		+=	${QTI_BL31_SOURCES}					\
+				${PSCI_SOURCES}						\
+				${GIC_SOURCES}						\
+				${TIMER_SOURCES}					\
+
+LIB_QTI_PATH	:=	${QTI_PLAT_PATH}/qtiseclib/lib/${CHIPSET}
+
+
+# Override this on the command line to point to the qtiseclib library which
+# will be available in coreboot.org
+QTISECLIB_PATH ?=
+
+ifeq ($(QTISECLIB_PATH),)
+# if No lib then use stub implementation for qtiseclib interface
+$(warning QTISECLIB_PATH is not provided while building, using stub implementation. \
+		Please refer docs/plat/qti.rst for more details \
+		THIS FIRMWARE WILL NOT BOOT!)
+BL31_SOURCES	+=	plat/qti/qtiseclib/src/qtiseclib_interface_stub.c
+else
+# use library provided by QTISECLIB_PATH
+LDFLAGS += -L $(dir $(QTISECLIB_PATH))
+LDLIBS += -l$(patsubst lib%.a,%,$(notdir $(QTISECLIB_PATH)))
+endif
+
diff --git a/services/std_svc/spmd/spmd_main.c b/services/std_svc/spmd/spmd_main.c
index dda127f..6de5feb 100644
--- a/services/std_svc/spmd/spmd_main.c
+++ b/services/std_svc/spmd/spmd_main.c
@@ -65,14 +65,6 @@
 }
 
 /*******************************************************************************
- * SPM Core entry point information get helper.
- ******************************************************************************/
-entry_point_info_t *spmd_spmc_ep_info_get(void)
-{
-	return spmc_ep_info;
-}
-
-/*******************************************************************************
  * SPM Core ID getter.
  ******************************************************************************/
 uint16_t spmd_spmc_id_get(void)
@@ -156,18 +148,11 @@
 {
 	spmd_spm_core_context_t *ctx = spmd_get_context();
 	uint64_t rc;
-	unsigned int linear_id = plat_my_core_pos();
-	unsigned int core_id;
 
 	VERBOSE("SPM Core init start.\n");
-	ctx->state = SPMC_STATE_ON_PENDING;
 
-	/* Set the SPMC context state on other CPUs to OFF */
-	for (core_id = 0U; core_id < PLATFORM_CORE_COUNT; core_id++) {
-		if (core_id != linear_id) {
-			spm_core_context[core_id].state = SPMC_STATE_OFF;
-		}
-	}
+	/* Primary boot core enters the SPMC for initialization. */
+	ctx->state = SPMC_STATE_ON_PENDING;
 
 	rc = spmd_spm_core_sync_entry(ctx);
 	if (rc != 0ULL) {
@@ -187,7 +172,8 @@
  ******************************************************************************/
 static int spmd_spmc_init(void *pm_addr)
 {
-	spmd_spm_core_context_t *spm_ctx = spmd_get_context();
+	cpu_context_t *cpu_ctx;
+	unsigned int core_id;
 	uint32_t ep_attr;
 	int rc;
 
@@ -280,13 +266,21 @@
 					     DISABLE_ALL_EXCEPTIONS);
 	}
 
-	/* Initialise SPM Core context with this entry point information */
-	cm_setup_context(&spm_ctx->cpu_ctx, spmc_ep_info);
+	/* Set an initial SPMC context state for all cores. */
+	for (core_id = 0U; core_id < PLATFORM_CORE_COUNT; core_id++) {
+		spm_core_context[core_id].state = SPMC_STATE_OFF;
 
-	/* Reuse PSCI affinity states to mark this SPMC context as off */
-	spm_ctx->state = AFF_STATE_OFF;
+		/* Setup an initial cpu context for the SPMC. */
+		cpu_ctx = &spm_core_context[core_id].cpu_ctx;
+		cm_setup_context(cpu_ctx, spmc_ep_info);
 
-	INFO("SPM Core setup done.\n");
+		/*
+		 * Pass the core linear ID to the SPMC through x4.
+		 * (TF-A implementation defined behavior helping
+		 * a legacy TOS migration to adopt FF-A).
+		 */
+		write_ctx_reg(get_gpregs_ctx(cpu_ctx), CTX_GPREG_X4, core_id);
+	}
 
 	/* Register power management hooks with PSCI */
 	psci_register_spd_pm_hook(&spmd_pm);
@@ -294,6 +288,8 @@
 	/* Register init function for deferred init. */
 	bl31_register_bl32_init(&spmd_init);
 
+	INFO("SPM Core setup done.\n");
+
 	return 0;
 }
 
@@ -620,9 +616,19 @@
 	case FFA_RXTX_MAP_SMC64:
 	case FFA_RXTX_UNMAP:
 	case FFA_PARTITION_INFO_GET:
+#if MAKE_FFA_VERSION(1, 1) <= FFA_VERSION_COMPILED
+	case FFA_NOTIFICATION_BITMAP_CREATE:
+	case FFA_NOTIFICATION_BITMAP_DESTROY:
+	case FFA_NOTIFICATION_BIND:
+	case FFA_NOTIFICATION_UNBIND:
+	case FFA_NOTIFICATION_SET:
+	case FFA_NOTIFICATION_GET:
+	case FFA_NOTIFICATION_INFO_GET:
+	case FFA_NOTIFICATION_INFO_GET_SMC64:
+#endif
 		/*
-		 * Should not be allowed to forward FFA_PARTITION_INFO_GET
-		 * from Secure world to Normal world
+		 * Above calls should not be forwarded from Secure world to
+		 * Normal world.
 		 *
 		 * Fall through to forward the call to the other world
 		 */
diff --git a/services/std_svc/spmd/spmd_pm.c b/services/std_svc/spmd/spmd_pm.c
index 074609c..ac962ea 100644
--- a/services/std_svc/spmd/spmd_pm.c
+++ b/services/std_svc/spmd/spmd_pm.c
@@ -75,14 +75,14 @@
  ******************************************************************************/
 static void spmd_cpu_on_finish_handler(u_register_t unused)
 {
-	entry_point_info_t *spmc_ep_info = spmd_spmc_ep_info_get();
 	spmd_spm_core_context_t *ctx = spmd_get_context();
 	unsigned int linear_id = plat_my_core_pos();
+	el3_state_t *el3_state;
+	uintptr_t entry_point;
 	uint64_t rc;
 
 	assert(ctx != NULL);
 	assert(ctx->state != SPMC_STATE_ON);
-	assert(spmc_ep_info != NULL);
 
 	spin_lock(&g_spmd_pm.lock);
 
@@ -92,14 +92,20 @@
 	 * primary core address for booting secondary cores.
 	 */
 	if (g_spmd_pm.secondary_ep_locked == true) {
-		spmc_ep_info->pc = g_spmd_pm.secondary_ep;
+		/*
+		 * The CPU context has already been initialized at boot time
+		 * (in spmd_spmc_init by a call to cm_setup_context). Adjust
+		 * below the target core entry point based on the address
+		 * passed to by FFA_SECONDARY_EP_REGISTER.
+		 */
+		entry_point = g_spmd_pm.secondary_ep;
+		el3_state = get_el3state_ctx(&ctx->cpu_ctx);
+		write_ctx_reg(el3_state, CTX_ELR_EL3, entry_point);
 	}
 
 	spin_unlock(&g_spmd_pm.lock);
 
-	cm_setup_context(&ctx->cpu_ctx, spmc_ep_info);
-
-	/* Mark CPU as initiating ON operation */
+	/* Mark CPU as initiating ON operation. */
 	ctx->state = SPMC_STATE_ON_PENDING;
 
 	rc = spmd_spm_core_sync_entry(ctx);
diff --git a/tools/sptool/sp_mk_generator.py b/tools/sptool/sp_mk_generator.py
index a37e702..f983ff3 100755
--- a/tools/sptool/sp_mk_generator.py
+++ b/tools/sptool/sp_mk_generator.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-# Copyright (c) 2020, Arm Limited. All rights reserved.
+# Copyright (c) 2020-2021, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 
@@ -110,24 +110,36 @@
         Extract uuid from partition manifest
         """
         pm_file = open(dts)
-        uuid_key = "uuid"
-
         for line in pm_file:
-            if uuid_key in line:
-                uuid_hex = re.findall(r'\<(.+?)\>', line)[0];
+            if "uuid" in line:
+                # re.findall returns a list of string tuples.
+                # uuid_hex is the first item in this list representing the four
+                # uuid hex integers from the manifest uuid field. The heading
+                # '0x' of the hexadecimal representation is stripped out.
+                # e.g. uuid = <0x1e67b5b4 0xe14f904a 0x13fb1fb8 0xcbdae1da>;
+                # uuid_hex = ('1e67b5b4', 'e14f904a', '13fb1fb8', 'cbdae1da')
+                uuid_hex = re.findall(r'0x([0-9a-f]+) 0x([0-9a-f]+) 0x([0-9a-f]+) 0x([0-9a-f]+)', line)[0];
+
+        # uuid_hex is a list of four hex string values
+        if len(uuid_hex) != 4:
+            print("ERROR: malformed UUID")
+            exit(-1)
 
-        # PM has uuid in format 0xABC... 0x... 0x... 0x...
-        # Get rid of '0x' and spaces and convert to string of hex digits
-        uuid_hex = uuid_hex.replace('0x','').replace(' ','')
-        # make UUID from a string of hex digits
-        uuid_std = uuid.UUID(uuid_hex)
-        # convert UUID to a string of hex digits in standard form
-        uuid_std = str(uuid_std)
+        # The uuid field in SP manifest is the little endian representation
+        # mapped to arguments as described in SMCCC section 5.3.
+        # Convert each unsigned integer value to a big endian representation
+        # required by fiptool.
+        y=list(map(bytearray.fromhex, uuid_hex))
+        z=(int.from_bytes(y[0], byteorder='little', signed=False),
+        int.from_bytes(y[1], byteorder='little', signed=False),
+        int.from_bytes(y[2], byteorder='little', signed=False),
+        int.from_bytes(y[3], byteorder='little', signed=False))
+        uuid_std = uuid.UUID(f'{z[0]:04x}{z[1]:04x}{z[2]:04x}{z[3]:04x}')
 
         """
         Append FIP_ARGS
         """
-        out_file.write("FIP_ARGS += --blob uuid=" + uuid_std + ",file=" + dst + "\n")
+        out_file.write("FIP_ARGS += --blob uuid=" + str(uuid_std) + ",file=" + dst + "\n")
 
         """
         Append CRT_ARGS