diff --git a/plat/arm/board/common/aarch64/board_arm_helpers.S b/plat/arm/board/common/aarch64/board_arm_helpers.S
new file mode 100644
index 0000000..80c5759
--- /dev/null
+++ b/plat/arm/board/common/aarch64/board_arm_helpers.S
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <asm_macros.S>
+#include <bl_common.h>
+#include <v2m_def.h>
+
+	.globl  plat_report_exception
+
+
+	/* ---------------------------------------------
+	 * void plat_report_exception(unsigned int type)
+	 * Function to report an unhandled exception
+	 * with platform-specific means.
+	 * On FVP platform, it updates the LEDs
+	 * to indicate where we are
+	 * ---------------------------------------------
+	 */
+func plat_report_exception
+	mrs	x1, CurrentEl
+	lsr	x1, x1, #MODE_EL_SHIFT
+	lsl	x1, x1, #V2M_SYS_LED_EL_SHIFT
+	lsl	x0, x0, #V2M_SYS_LED_EC_SHIFT
+	mov	x2, #(SECURE << V2M_SYS_LED_SS_SHIFT)
+	orr	x0, x0, x2
+	orr	x0, x0, x1
+	mov	x1, #V2M_SYSREGS_BASE
+	add	x1, x1, #V2M_SYS_LED
+	str	w0, [x1]
+	ret
+endfunc plat_report_exception
diff --git a/plat/arm/board/common/board_arm_trusted_boot.c b/plat/arm/board/common/board_arm_trusted_boot.c
new file mode 100644
index 0000000..c6ad68a
--- /dev/null
+++ b/plat/arm/board/common/board_arm_trusted_boot.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Weak definition may be overridden in specific platform */
+#pragma weak plat_match_rotpk
+/*
+ * Check the validity of the key
+ *
+ * 0 = success, Otherwise = error
+ */
+int plat_match_rotpk(const unsigned char *key_buf, unsigned int key_len)
+{
+	/* TODO: check against the ROT key stored in the platform */
+	return 0;
+}
diff --git a/plat/arm/board/common/board_css.mk b/plat/arm/board/common/board_css.mk
new file mode 100644
index 0000000..691999b
--- /dev/null
+++ b/plat/arm/board/common/board_css.mk
@@ -0,0 +1,47 @@
+#
+# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# Neither the name of ARM nor the names of its contributors may be used
+# to endorse or promote products derived from this software without specific
+# prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+PLAT_INCLUDES		+=	-Iinclude/plat/arm/board/common/
+
+PLAT_BL_COMMON_SOURCES	+=	drivers/arm/pl011/pl011_console.S			\
+				plat/arm/board/common/aarch64/board_arm_helpers.S	\
+				plat/arm/board/common/board_css_common.c
+
+
+#BL1_SOURCES		+=
+
+#BL2_SOURCES		+=
+
+#BL31_SOURCES		+=
+
+ifneq (${TRUSTED_BOARD_BOOT},0)
+  BL1_SOURCES		+=	plat/arm/board/common/board_arm_trusted_boot.c
+  BL2_SOURCES		+=	plat/arm/board/common/board_arm_trusted_boot.c
+endif
diff --git a/plat/arm/board/common/board_css_common.c b/plat/arm/board/common/board_css_common.c
new file mode 100644
index 0000000..3bb3dd6
--- /dev/null
+++ b/plat/arm/board/common/board_css_common.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <arm_def.h>
+#include <plat_arm.h>
+
+/*
+ * Table of regions for different BL stages to map using the MMU.
+ * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
+ * arm_configure_mmu_elx() will give the available subset of that,
+ */
+#if IMAGE_BL1
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	V2M_MAP_FLASH0,
+	V2M_MAP_IOFPGA,
+	CSS_MAP_DEVICE,
+	SOC_CSS_MAP_DEVICE,
+	{0}
+};
+#endif
+#if IMAGE_BL2
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	V2M_MAP_FLASH0,
+	V2M_MAP_IOFPGA,
+	CSS_MAP_DEVICE,
+	SOC_CSS_MAP_DEVICE,
+	ARM_MAP_NS_DRAM1,
+	ARM_MAP_TSP_SEC_MEM,
+	{0}
+};
+#endif
+#if IMAGE_BL31
+const mmap_region_t plat_arm_mmap[] = {
+	ARM_MAP_SHARED_RAM,
+	V2M_MAP_IOFPGA,
+	CSS_MAP_DEVICE,
+	SOC_CSS_MAP_DEVICE,
+	{0}
+};
+#endif
+#if IMAGE_BL32
+const mmap_region_t plat_arm_mmap[] = {
+	V2M_MAP_IOFPGA,
+	CSS_MAP_DEVICE,
+	SOC_CSS_MAP_DEVICE,
+	{0}
+};
+#endif
+
+ARM_CASSERT_MMAP
+
diff --git a/plat/arm/common/aarch64/arm_common.c b/plat/arm/common/aarch64/arm_common.c
new file mode 100644
index 0000000..48b4ac8
--- /dev/null
+++ b/plat/arm/common/aarch64/arm_common.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <arch.h>
+#include <arch_helpers.h>
+#include <cci.h>
+#include <mmio.h>
+#include <plat_arm.h>
+#include <xlat_tables.h>
+
+
+static const int cci_map[] = {
+	PLAT_ARM_CCI_CLUSTER0_SL_IFACE_IX,
+	PLAT_ARM_CCI_CLUSTER1_SL_IFACE_IX
+};
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak plat_get_ns_image_entrypoint
+
+
+/*******************************************************************************
+ * Macro generating the code for the function setting up the pagetables as per
+ * the platform memory map & initialize the mmu, for the given exception level
+ ******************************************************************************/
+#if USE_COHERENT_MEM
+#define DEFINE_CONFIGURE_MMU_EL(_el)					\
+	void arm_configure_mmu_el##_el(unsigned long total_base,	\
+				   unsigned long total_size,		\
+				   unsigned long ro_start,		\
+				   unsigned long ro_limit,		\
+				   unsigned long coh_start,		\
+				   unsigned long coh_limit)		\
+	{								\
+		mmap_add_region(total_base, total_base,			\
+				total_size,				\
+				MT_MEMORY | MT_RW | MT_SECURE);		\
+		mmap_add_region(ro_start, ro_start,			\
+				ro_limit - ro_start,			\
+				MT_MEMORY | MT_RO | MT_SECURE);		\
+		mmap_add_region(coh_start, coh_start,			\
+				coh_limit - coh_start,			\
+				MT_DEVICE | MT_RW | MT_SECURE);		\
+		mmap_add(plat_arm_mmap);				\
+		init_xlat_tables();					\
+									\
+		enable_mmu_el##_el(0);					\
+	}
+#else
+#define DEFINE_CONFIGURE_MMU_EL(_el)					\
+	void arm_configure_mmu_el##_el(unsigned long total_base,	\
+				   unsigned long total_size,		\
+				   unsigned long ro_start,		\
+				   unsigned long ro_limit)		\
+	{								\
+		mmap_add_region(total_base, total_base,			\
+				total_size,				\
+				MT_MEMORY | MT_RW | MT_SECURE);		\
+		mmap_add_region(ro_start, ro_start,			\
+				ro_limit - ro_start,			\
+				MT_MEMORY | MT_RO | MT_SECURE);		\
+		mmap_add(plat_arm_mmap);				\
+		init_xlat_tables();					\
+									\
+		enable_mmu_el##_el(0);					\
+	}
+#endif
+
+/* Define EL1 and EL3 variants of the function initialising the MMU */
+DEFINE_CONFIGURE_MMU_EL(1)
+DEFINE_CONFIGURE_MMU_EL(3)
+
+
+unsigned long plat_get_ns_image_entrypoint(void)
+{
+	return PLAT_ARM_NS_IMAGE_OFFSET;
+}
+
+/*******************************************************************************
+ * Gets SPSR for BL32 entry
+ ******************************************************************************/
+uint32_t arm_get_spsr_for_bl32_entry(void)
+{
+	/*
+	 * The Secure Payload Dispatcher service is responsible for
+	 * setting the SPSR prior to entry into the BL3-2 image.
+	 */
+	return 0;
+}
+
+/*******************************************************************************
+ * Gets SPSR for BL33 entry
+ ******************************************************************************/
+uint32_t arm_get_spsr_for_bl33_entry(void)
+{
+	unsigned long el_status;
+	unsigned int mode;
+	uint32_t spsr;
+
+	/* Figure out what mode we enter the non-secure world in */
+	el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
+	el_status &= ID_AA64PFR0_ELX_MASK;
+
+	mode = (el_status) ? MODE_EL2 : MODE_EL1;
+
+	/*
+	 * TODO: Consider the possibility of specifying the SPSR in
+	 * the FIP ToC and allowing the platform to have a say as
+	 * well.
+	 */
+	spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+	return spsr;
+}
+
+
+void arm_cci_init(void)
+{
+	cci_init(PLAT_ARM_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
+}
diff --git a/plat/arm/common/aarch64/arm_helpers.S b/plat/arm/common/aarch64/arm_helpers.S
new file mode 100644
index 0000000..25b67f3
--- /dev/null
+++ b/plat/arm/common/aarch64/arm_helpers.S
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <asm_macros.S>
+#include <platform_def.h>
+
+
+	.globl	plat_crash_console_init
+	.globl	plat_crash_console_putc
+
+
+	/* ---------------------------------------------
+	 * int plat_crash_console_init(void)
+	 * Function to initialize the crash console
+	 * without a C Runtime to print crash report.
+	 * Clobber list : x0, x1, x2
+	 * ---------------------------------------------
+	 */
+func plat_crash_console_init
+	mov_imm	x0, PLAT_ARM_CRASH_UART_BASE
+	mov_imm	x1, PLAT_ARM_CRASH_UART_CLK_IN_HZ
+	mov_imm	x2, ARM_CONSOLE_BAUDRATE
+	b	console_core_init
+endfunc plat_crash_console_init
+
+	/* ---------------------------------------------
+	 * int plat_crash_console_putc(int c)
+	 * Function to print a character on the crash
+	 * console without a C Runtime.
+	 * Clobber list : x1, x2
+	 * ---------------------------------------------
+	 */
+func plat_crash_console_putc
+	mov_imm	x1, PLAT_ARM_CRASH_UART_BASE
+	b	console_core_putc
+endfunc plat_crash_console_putc
diff --git a/plat/arm/common/arm_bl1_setup.c b/plat/arm/common/arm_bl1_setup.c
new file mode 100644
index 0000000..6970aa3
--- /dev/null
+++ b/plat/arm/common/arm_bl1_setup.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch.h>
+#include <arm_def.h>
+#include <bl_common.h>
+#include <cci.h>
+#include <console.h>
+#include <platform_def.h>
+#include <plat_arm.h>
+#include "../../bl1/bl1_private.h"
+
+
+#if USE_COHERENT_MEM
+/*
+ * The next 2 constants identify the extents of the coherent memory region.
+ * These addresses are used by the MMU setup code and therefore they must be
+ * page-aligned.  It is the responsibility of the linker script to ensure that
+ * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to
+ * page-aligned addresses.
+ */
+#define BL1_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
+#define BL1_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
+#endif
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak bl1_early_platform_setup
+#pragma weak bl1_plat_arch_setup
+#pragma weak bl1_platform_setup
+#pragma weak bl1_plat_sec_mem_layout
+#pragma weak bl1_plat_set_bl2_ep_info
+
+
+/* Data structure which holds the extents of the trusted SRAM for BL1*/
+static meminfo_t bl1_tzram_layout;
+
+meminfo_t *bl1_plat_sec_mem_layout(void)
+{
+	return &bl1_tzram_layout;
+}
+
+/*******************************************************************************
+ * BL1 specific platform actions shared between ARM standard platforms.
+ ******************************************************************************/
+void arm_bl1_early_platform_setup(void)
+{
+	const size_t bl1_size = BL1_RAM_LIMIT - BL1_RAM_BASE;
+
+	/* Initialize the console to provide early debug support */
+	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
+			ARM_CONSOLE_BAUDRATE);
+
+	/* Allow BL1 to see the whole Trusted RAM */
+	bl1_tzram_layout.total_base = ARM_BL_RAM_BASE;
+	bl1_tzram_layout.total_size = ARM_BL_RAM_SIZE;
+
+	/* Calculate how much RAM BL1 is using and how much remains free */
+	bl1_tzram_layout.free_base = ARM_BL_RAM_BASE;
+	bl1_tzram_layout.free_size = ARM_BL_RAM_SIZE;
+	reserve_mem(&bl1_tzram_layout.free_base,
+		    &bl1_tzram_layout.free_size,
+		    BL1_RAM_BASE,
+		    bl1_size);
+}
+
+void bl1_early_platform_setup(void)
+{
+	arm_bl1_early_platform_setup();
+
+	/*
+	 * Initialize CCI for this cluster during cold boot.
+	 * No need for locks as no other CPU is active.
+	 */
+	arm_cci_init();
+	/*
+	 * Enable CCI coherency for the primary CPU's cluster.
+	 */
+	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+}
+
+/******************************************************************************
+ * Perform the very early platform specific architecture setup shared between
+ * ARM standard platforms. This only does basic initialization. Later
+ * architectural setup (bl1_arch_setup()) does not do anything platform
+ * specific.
+ *****************************************************************************/
+void arm_bl1_plat_arch_setup(void)
+{
+	arm_configure_mmu_el3(bl1_tzram_layout.total_base,
+			      bl1_tzram_layout.total_size,
+			      BL1_RO_BASE,
+			      BL1_RO_LIMIT
+#if USE_COHERENT_MEM
+			      , BL1_COHERENT_RAM_BASE,
+			      BL1_COHERENT_RAM_LIMIT
+#endif
+			     );
+}
+
+void bl1_plat_arch_setup(void)
+{
+	arm_bl1_plat_arch_setup();
+}
+
+/*
+ * Perform the platform specific architecture setup shared between
+ * ARM standard platforms.
+ */
+void arm_bl1_platform_setup(void)
+{
+	/* Initialise the IO layer and register platform IO devices */
+	plat_arm_io_setup();
+}
+
+void bl1_platform_setup(void)
+{
+	arm_bl1_platform_setup();
+}
+
+/*******************************************************************************
+ * Before calling this function BL2 is loaded in memory and its entrypoint
+ * is set by load_image. This is a placeholder for the platform to change
+ * the entrypoint of BL2 and set SPSR and security state.
+ * On ARM standard platforms we only set the security state of the entrypoint
+ ******************************************************************************/
+void bl1_plat_set_bl2_ep_info(image_info_t *bl2_image,
+				entry_point_info_t *bl2_ep)
+{
+	SET_SECURITY_STATE(bl2_ep->h.attr, SECURE);
+	bl2_ep->spsr = SPSR_64(MODE_EL1, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+}
diff --git a/plat/arm/common/arm_bl2_setup.c b/plat/arm/common/arm_bl2_setup.c
new file mode 100644
index 0000000..a44ec1d
--- /dev/null
+++ b/plat/arm/common/arm_bl2_setup.c
@@ -0,0 +1,314 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch_helpers.h>
+#include <arm_def.h>
+#include <bl_common.h>
+#include <console.h>
+#include <platform_def.h>
+#include <plat_arm.h>
+#include <string.h>
+
+
+/*
+ * The next 2 constants identify the extents of the code & RO data region.
+ * These addresses are used by the MMU setup code and therefore they must be
+ * page-aligned.  It is the responsibility of the linker script to ensure that
+ * __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses.
+ */
+#define BL2_RO_BASE (unsigned long)(&__RO_START__)
+#define BL2_RO_LIMIT (unsigned long)(&__RO_END__)
+
+#if USE_COHERENT_MEM
+/*
+ * The next 2 constants identify the extents of the coherent memory region.
+ * These addresses are used by the MMU setup code and therefore they must be
+ * page-aligned.  It is the responsibility of the linker script to ensure that
+ * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to
+ * page-aligned addresses.
+ */
+#define BL2_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
+#define BL2_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
+#endif
+
+/* Data structure which holds the extents of the trusted SRAM for BL2 */
+static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
+
+
+/*******************************************************************************
+ * This structure represents the superset of information that is passed to
+ * BL3-1, e.g. while passing control to it from BL2, bl31_params
+ * and other platform specific params
+ ******************************************************************************/
+typedef struct bl2_to_bl31_params_mem {
+	bl31_params_t bl31_params;
+	image_info_t bl31_image_info;
+	image_info_t bl32_image_info;
+	image_info_t bl33_image_info;
+	entry_point_info_t bl33_ep_info;
+	entry_point_info_t bl32_ep_info;
+	entry_point_info_t bl31_ep_info;
+} bl2_to_bl31_params_mem_t;
+
+
+static bl2_to_bl31_params_mem_t bl31_params_mem;
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak bl2_early_platform_setup
+#pragma weak bl2_platform_setup
+#pragma weak bl2_plat_arch_setup
+#pragma weak bl2_plat_sec_mem_layout
+#pragma weak bl2_plat_get_bl31_params
+#pragma weak bl2_plat_get_bl31_ep_info
+#pragma weak bl2_plat_flush_bl31_params
+#pragma weak bl2_plat_set_bl31_ep_info
+#pragma weak bl2_plat_get_bl30_meminfo
+#pragma weak bl2_plat_get_bl32_meminfo
+#pragma weak bl2_plat_set_bl32_ep_info
+#pragma weak bl2_plat_get_bl33_meminfo
+#pragma weak bl2_plat_set_bl33_ep_info
+
+
+meminfo_t *bl2_plat_sec_mem_layout(void)
+{
+	return &bl2_tzram_layout;
+}
+
+/*******************************************************************************
+ * This function assigns a pointer to the memory that the platform has kept
+ * aside to pass platform specific and trusted firmware related information
+ * to BL31. This memory is allocated by allocating memory to
+ * bl2_to_bl31_params_mem_t structure which is a superset of all the
+ * structure whose information is passed to BL31
+ * NOTE: This function should be called only once and should be done
+ * before generating params to BL31
+ ******************************************************************************/
+bl31_params_t *bl2_plat_get_bl31_params(void)
+{
+	bl31_params_t *bl2_to_bl31_params;
+
+	/*
+	 * Initialise the memory for all the arguments that needs to
+	 * be passed to BL3-1
+	 */
+	memset(&bl31_params_mem, 0, sizeof(bl2_to_bl31_params_mem_t));
+
+	/* Assign memory for TF related information */
+	bl2_to_bl31_params = &bl31_params_mem.bl31_params;
+	SET_PARAM_HEAD(bl2_to_bl31_params, PARAM_BL31, VERSION_1, 0);
+
+	/* Fill BL3-1 related information */
+	bl2_to_bl31_params->bl31_image_info = &bl31_params_mem.bl31_image_info;
+	SET_PARAM_HEAD(bl2_to_bl31_params->bl31_image_info, PARAM_IMAGE_BINARY,
+		VERSION_1, 0);
+
+	/* Fill BL3-2 related information if it exists */
+#if BL32_BASE
+	bl2_to_bl31_params->bl32_ep_info = &bl31_params_mem.bl32_ep_info;
+	SET_PARAM_HEAD(bl2_to_bl31_params->bl32_ep_info, PARAM_EP,
+		VERSION_1, 0);
+	bl2_to_bl31_params->bl32_image_info = &bl31_params_mem.bl32_image_info;
+	SET_PARAM_HEAD(bl2_to_bl31_params->bl32_image_info, PARAM_IMAGE_BINARY,
+		VERSION_1, 0);
+#endif
+
+	/* Fill BL3-3 related information */
+	bl2_to_bl31_params->bl33_ep_info = &bl31_params_mem.bl33_ep_info;
+	SET_PARAM_HEAD(bl2_to_bl31_params->bl33_ep_info,
+		PARAM_EP, VERSION_1, 0);
+
+	/* BL3-3 expects to receive the primary CPU MPID (through x0) */
+	bl2_to_bl31_params->bl33_ep_info->args.arg0 = 0xffff & read_mpidr();
+
+	bl2_to_bl31_params->bl33_image_info = &bl31_params_mem.bl33_image_info;
+	SET_PARAM_HEAD(bl2_to_bl31_params->bl33_image_info, PARAM_IMAGE_BINARY,
+		VERSION_1, 0);
+
+	return bl2_to_bl31_params;
+}
+
+/* Flush the TF params and the TF plat params */
+void bl2_plat_flush_bl31_params(void)
+{
+	flush_dcache_range((unsigned long)&bl31_params_mem,
+			sizeof(bl2_to_bl31_params_mem_t));
+}
+
+/*******************************************************************************
+ * This function returns a pointer to the shared memory that the platform
+ * has kept to point to entry point information of BL31 to BL2
+ ******************************************************************************/
+struct entry_point_info *bl2_plat_get_bl31_ep_info(void)
+{
+#if DEBUG
+	bl31_params_mem.bl31_ep_info.args.arg1 = ARM_BL31_PLAT_PARAM_VAL;
+#endif
+
+	return &bl31_params_mem.bl31_ep_info;
+}
+
+/*******************************************************************************
+ * BL1 has passed the extents of the trusted SRAM that should be visible to BL2
+ * in x0. This memory layout is sitting at the base of the free trusted SRAM.
+ * Copy it to a safe location before its reclaimed by later BL2 functionality.
+ ******************************************************************************/
+void arm_bl2_early_platform_setup(meminfo_t *mem_layout)
+{
+	/* Initialize the console to provide early debug support */
+	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
+			ARM_CONSOLE_BAUDRATE);
+
+	/* Setup the BL2 memory layout */
+	bl2_tzram_layout = *mem_layout;
+
+	/* Initialise the IO layer and register platform IO devices */
+	plat_arm_io_setup();
+}
+
+void bl2_early_platform_setup(meminfo_t *mem_layout)
+{
+	arm_bl2_early_platform_setup(mem_layout);
+}
+
+/*
+ * Perform ARM standard platform setup.
+ */
+void arm_bl2_platform_setup(void)
+{
+	/* Initialize the secure environment */
+	plat_arm_security_setup();
+}
+
+void bl2_platform_setup(void)
+{
+	arm_bl2_platform_setup();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only initializes the mmu in a quick and dirty way.
+ ******************************************************************************/
+void arm_bl2_plat_arch_setup(void)
+{
+	arm_configure_mmu_el1(bl2_tzram_layout.total_base,
+			      bl2_tzram_layout.total_size,
+			      BL2_RO_BASE,
+			      BL2_RO_LIMIT
+#if USE_COHERENT_MEM
+			      , BL2_COHERENT_RAM_BASE,
+			      BL2_COHERENT_RAM_LIMIT
+#endif
+			      );
+}
+
+void bl2_plat_arch_setup(void)
+{
+	arm_bl2_plat_arch_setup();
+}
+
+/*******************************************************************************
+ * Populate the extents of memory available for loading BL3-0 (if used),
+ * i.e. anywhere in trusted RAM as long as it doesn't overwrite BL2.
+ ******************************************************************************/
+void bl2_plat_get_bl30_meminfo(meminfo_t *bl30_meminfo)
+{
+	*bl30_meminfo = bl2_tzram_layout;
+}
+
+/*******************************************************************************
+ * Before calling this function BL3-1 is loaded in memory and its entrypoint
+ * is set by load_image. This is a placeholder for the platform to change
+ * the entrypoint of BL3-1 and set SPSR and security state.
+ * On ARM standard platforms we only set the security state of the entrypoint
+ ******************************************************************************/
+void bl2_plat_set_bl31_ep_info(image_info_t *bl31_image_info,
+					entry_point_info_t *bl31_ep_info)
+{
+	SET_SECURITY_STATE(bl31_ep_info->h.attr, SECURE);
+	bl31_ep_info->spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
+					DISABLE_ALL_EXCEPTIONS);
+}
+
+
+/*******************************************************************************
+ * Before calling this function BL3-2 is loaded in memory and its entrypoint
+ * is set by load_image. This is a placeholder for the platform to change
+ * the entrypoint of BL3-2 and set SPSR and security state.
+ * On ARM standard platforms we only set the security state of the entrypoint
+ ******************************************************************************/
+void bl2_plat_set_bl32_ep_info(image_info_t *bl32_image_info,
+					entry_point_info_t *bl32_ep_info)
+{
+	SET_SECURITY_STATE(bl32_ep_info->h.attr, SECURE);
+	bl32_ep_info->spsr = arm_get_spsr_for_bl32_entry();
+}
+
+/*******************************************************************************
+ * Before calling this function BL3-3 is loaded in memory and its entrypoint
+ * is set by load_image. This is a placeholder for the platform to change
+ * the entrypoint of BL3-3 and set SPSR and security state.
+ * On ARM standard platforms we only set the security state of the entrypoint
+ ******************************************************************************/
+void bl2_plat_set_bl33_ep_info(image_info_t *image,
+					entry_point_info_t *bl33_ep_info)
+{
+
+	SET_SECURITY_STATE(bl33_ep_info->h.attr, NON_SECURE);
+	bl33_ep_info->spsr = arm_get_spsr_for_bl33_entry();
+}
+
+/*******************************************************************************
+ * Populate the extents of memory available for loading BL32
+ ******************************************************************************/
+void bl2_plat_get_bl32_meminfo(meminfo_t *bl32_meminfo)
+{
+	/*
+	 * Populate the extents of memory available for loading BL32.
+	 */
+	bl32_meminfo->total_base = BL32_BASE;
+	bl32_meminfo->free_base = BL32_BASE;
+	bl32_meminfo->total_size =
+			(TSP_SEC_MEM_BASE + TSP_SEC_MEM_SIZE) - BL32_BASE;
+	bl32_meminfo->free_size =
+			(TSP_SEC_MEM_BASE + TSP_SEC_MEM_SIZE) - BL32_BASE;
+}
+
+
+/*******************************************************************************
+ * Populate the extents of memory available for loading BL33
+ ******************************************************************************/
+void bl2_plat_get_bl33_meminfo(meminfo_t *bl33_meminfo)
+{
+	bl33_meminfo->total_base = ARM_NS_DRAM1_BASE;
+	bl33_meminfo->total_size = ARM_NS_DRAM1_SIZE;
+	bl33_meminfo->free_base = ARM_NS_DRAM1_BASE;
+	bl33_meminfo->free_size = ARM_NS_DRAM1_SIZE;
+}
diff --git a/plat/arm/common/arm_bl31_setup.c b/plat/arm/common/arm_bl31_setup.c
new file mode 100644
index 0000000..5c321fa
--- /dev/null
+++ b/plat/arm/common/arm_bl31_setup.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <arm_def.h>
+#include <arm_gic.h>
+#include <assert.h>
+#include <bl_common.h>
+#include <cci.h>
+#include <console.h>
+#include <debug.h>
+#include <mmio.h>
+#include <plat_arm.h>
+#include <platform.h>
+
+
+/*
+ * The next 3 constants identify the extents of the code, RO data region and the
+ * limit of the BL3-1 image.  These addresses are used by the MMU setup code and
+ * therefore they must be page-aligned.  It is the responsibility of the linker
+ * script to ensure that __RO_START__, __RO_END__ & __BL31_END__ linker symbols
+ * refer to page-aligned addresses.
+ */
+#define BL31_RO_BASE (unsigned long)(&__RO_START__)
+#define BL31_RO_LIMIT (unsigned long)(&__RO_END__)
+#define BL31_END (unsigned long)(&__BL31_END__)
+
+#if USE_COHERENT_MEM
+/*
+ * The next 2 constants identify the extents of the coherent memory region.
+ * These addresses are used by the MMU setup code and therefore they must be
+ * page-aligned.  It is the responsibility of the linker script to ensure that
+ * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols
+ * refer to page-aligned addresses.
+ */
+#define BL31_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
+#define BL31_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
+#endif
+
+/*
+ * Placeholder variables for copying the arguments that have been passed to
+ * BL3-1 from BL2.
+ */
+static entry_point_info_t bl32_image_ep_info;
+static entry_point_info_t bl33_image_ep_info;
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak bl31_early_platform_setup
+#pragma weak bl31_platform_setup
+#pragma weak bl31_plat_arch_setup
+#pragma weak bl31_plat_get_next_image_ep_info
+#pragma weak plat_get_syscnt_freq
+
+
+/*******************************************************************************
+ * Return a pointer to the 'entry_point_info' structure of the next image for the
+ * security state specified. BL3-3 corresponds to the non-secure image type
+ * while BL3-2 corresponds to the secure image type. A NULL pointer is returned
+ * if the image does not exist.
+ ******************************************************************************/
+entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
+{
+	entry_point_info_t *next_image_info;
+
+	assert(sec_state_is_valid(type));
+	next_image_info = (type == NON_SECURE)
+			? &bl33_image_ep_info : &bl32_image_ep_info;
+	/*
+	 * None of the images on the ARM development platforms can have 0x0
+	 * as the entrypoint
+	 */
+	if (next_image_info->pc)
+		return next_image_info;
+	else
+		return NULL;
+}
+
+/*******************************************************************************
+ * Perform any BL3-1 early platform setup common to ARM standard platforms.
+ * Here is an opportunity to copy parameters passed by the calling EL (S-EL1
+ * in BL2 & S-EL3 in BL1) before they are lost (potentially). This needs to be
+ * done before the MMU is initialized so that the memory layout can be used
+ * while creating page tables. BL2 has flushed this information to memory, so
+ * we are guaranteed to pick up good data.
+ ******************************************************************************/
+void arm_bl31_early_platform_setup(bl31_params_t *from_bl2,
+				void *plat_params_from_bl2)
+{
+	/* Initialize the console to provide early debug support */
+	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
+			ARM_CONSOLE_BAUDRATE);
+
+#if RESET_TO_BL31
+	/* There are no parameters from BL2 if BL3-1 is a reset vector */
+	assert(from_bl2 == NULL);
+	assert(plat_params_from_bl2 == NULL);
+
+	/* Populate entry point information for BL3-2 and BL3-3 */
+	SET_PARAM_HEAD(&bl32_image_ep_info,
+				PARAM_EP,
+				VERSION_1,
+				0);
+	SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE);
+	bl32_image_ep_info.pc = BL32_BASE;
+	bl32_image_ep_info.spsr = arm_get_spsr_for_bl32_entry();
+
+	SET_PARAM_HEAD(&bl33_image_ep_info,
+				PARAM_EP,
+				VERSION_1,
+				0);
+	/*
+	 * Tell BL3-1 where the non-trusted software image
+	 * is located and the entry state information
+	 */
+	bl33_image_ep_info.pc = plat_get_ns_image_entrypoint();
+	bl33_image_ep_info.spsr = arm_get_spsr_for_bl33_entry();
+	SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
+
+#else
+	/*
+	 * Check params passed from BL2 should not be NULL,
+	 */
+	assert(from_bl2 != NULL);
+	assert(from_bl2->h.type == PARAM_BL31);
+	assert(from_bl2->h.version >= VERSION_1);
+	/*
+	 * In debug builds, we pass a special value in 'plat_params_from_bl2'
+	 * to verify platform parameters from BL2 to BL3-1.
+	 * In release builds, it's not used.
+	 */
+	assert(((unsigned long long)plat_params_from_bl2) ==
+		ARM_BL31_PLAT_PARAM_VAL);
+
+	/*
+	 * Copy BL3-2 and BL3-3 entry point information.
+	 * They are stored in Secure RAM, in BL2's address space.
+	 */
+	bl32_image_ep_info = *from_bl2->bl32_ep_info;
+	bl33_image_ep_info = *from_bl2->bl33_ep_info;
+#endif
+}
+
+void bl31_early_platform_setup(bl31_params_t *from_bl2,
+				void *plat_params_from_bl2)
+{
+	arm_bl31_early_platform_setup(from_bl2, plat_params_from_bl2);
+
+	/*
+	 * Initialize CCI for this cluster during cold boot.
+	 * No need for locks as no other CPU is active.
+	 */
+	arm_cci_init();
+#if RESET_TO_BL31
+	/*
+	 * Enable CCI coherency for the primary CPU's cluster
+	 * (if earlier BL has not already done so).
+	 * Platform specific PSCI code will enable coherency for other
+	 * clusters.
+	 */
+	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+
+#endif /* RESET_TO_BL31 */
+}
+
+/*******************************************************************************
+ * Perform any BL3-1 platform setup common to ARM standard platforms
+ ******************************************************************************/
+void arm_bl31_platform_setup(void)
+{
+	unsigned int reg_val;
+
+	/* Initialize the gic cpu and distributor interfaces */
+	plat_arm_gic_init();
+	arm_gic_setup();
+
+#if RESET_TO_BL31
+	/*
+	 * Do initial security configuration to allow DRAM/device access
+	 * (if earlier BL has not already done so).
+	 */
+	plat_arm_security_setup();
+
+#endif /* RESET_TO_BL31 */
+
+	/* Enable and initialize the System level generic timer */
+	mmio_write_32(ARM_SYS_CNTCTL_BASE + CNTCR_OFF,
+			CNTCR_FCREQ(0) | CNTCR_EN);
+
+	/* Allow access to the System counter timer module */
+	reg_val = (1 << CNTACR_RPCT_SHIFT) | (1 << CNTACR_RVCT_SHIFT);
+	reg_val |= (1 << CNTACR_RFRQ_SHIFT) | (1 << CNTACR_RVOFF_SHIFT);
+	reg_val |= (1 << CNTACR_RWVT_SHIFT) | (1 << CNTACR_RWPT_SHIFT);
+	mmio_write_32(ARM_SYS_TIMCTL_BASE + CNTACR_BASE(1), reg_val);
+
+	reg_val = (1 << CNTNSAR_NS_SHIFT(1));
+	mmio_write_32(ARM_SYS_TIMCTL_BASE + CNTNSAR, reg_val);
+
+	/* Initialize power controller before setting up topology */
+	plat_arm_pwrc_setup();
+
+	/* Topologies are best known to the platform. */
+	plat_arm_topology_setup();
+}
+
+void bl31_platform_setup(void)
+{
+	arm_bl31_platform_setup();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only intializes the mmu in a quick and dirty way.
+ ******************************************************************************/
+void arm_bl31_plat_arch_setup(void)
+{
+	arm_configure_mmu_el3(BL31_RO_BASE,
+			      (BL31_END - BL31_RO_BASE),
+			      BL31_RO_BASE,
+			      BL31_RO_LIMIT
+#if USE_COHERENT_MEM
+			      , BL31_COHERENT_RAM_BASE,
+			      BL31_COHERENT_RAM_LIMIT
+#endif
+			      );
+}
+
+void bl31_plat_arch_setup(void)
+{
+	arm_bl31_plat_arch_setup();
+}
+
+uint64_t plat_get_syscnt_freq(void)
+{
+	uint64_t counter_base_frequency;
+
+	/* Read the frequency from Frequency modes table */
+	counter_base_frequency = mmio_read_32(ARM_SYS_CNTCTL_BASE + CNTFID_OFF);
+
+	/* The first entry of the frequency modes table must not be 0 */
+	if (counter_base_frequency == 0)
+		panic();
+
+	return counter_base_frequency;
+}
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
new file mode 100644
index 0000000..3b7c057
--- /dev/null
+++ b/plat/arm/common/arm_common.mk
@@ -0,0 +1,85 @@
+#
+# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# Neither the name of ARM nor the names of its contributors may be used
+# to endorse or promote products derived from this software without specific
+# prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+# On ARM standard platorms, the TSP can execute from Trusted SRAM, Trusted
+# DRAM (if available) or the TZC secured area of DRAM.
+# Trusted SRAM is the default.
+
+ARM_TSP_RAM_LOCATION	:=	tsram
+ifeq (${ARM_TSP_RAM_LOCATION}, tsram)
+  ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID
+else ifeq (${ARM_TSP_RAM_LOCATION}, tdram)
+  ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_DRAM_ID
+else ifeq (${ARM_TSP_RAM_LOCATION}, dram)
+  ARM_TSP_RAM_LOCATION_ID = ARM_DRAM_ID
+else
+  $(error "Unsupported ARM_TSP_RAM_LOCATION value")
+endif
+
+# Process flags
+$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID))
+
+PLAT_INCLUDES		+=	-Iinclude/plat/arm/common			\
+				-Iinclude/plat/arm/common/aarch64
+
+
+PLAT_BL_COMMON_SOURCES	+=	lib/aarch64/xlat_tables.c			\
+				plat/arm/common/aarch64/arm_common.c		\
+				plat/arm/common/aarch64/arm_helpers.S		\
+				plat/common/aarch64/plat_common.c
+
+BL1_SOURCES		+=	drivers/arm/cci/cci.c				\
+				drivers/io/io_fip.c				\
+				drivers/io/io_memmap.c				\
+				drivers/io/io_storage.c				\
+				plat/arm/common/arm_bl1_setup.c			\
+				plat/arm/common/arm_io_storage.c		\
+				plat/common/aarch64/platform_up_stack.S
+
+BL2_SOURCES		+=	drivers/arm/tzc400/tzc400.c			\
+				drivers/io/io_fip.c				\
+				drivers/io/io_memmap.c				\
+				drivers/io/io_storage.c				\
+				plat/arm/common/arm_bl2_setup.c			\
+				plat/arm/common/arm_io_storage.c		\
+				plat/arm/common/arm_security.c			\
+				plat/common/aarch64/platform_up_stack.S
+
+BL31_SOURCES		+=	drivers/arm/cci/cci.c				\
+				drivers/arm/gic/arm_gic.c			\
+				drivers/arm/gic/gic_v2.c			\
+				drivers/arm/gic/gic_v3.c			\
+				drivers/arm/tzc400/tzc400.c			\
+				plat/arm/common/arm_bl31_setup.c		\
+				plat/arm/common/arm_pm.c			\
+				plat/arm/common/arm_security.c			\
+				plat/arm/common/arm_topology.c			\
+				plat/common/plat_gic.c				\
+				plat/common/aarch64/platform_mp_stack.S
diff --git a/plat/arm/common/arm_io_storage.c b/plat/arm/common/arm_io_storage.c
new file mode 100644
index 0000000..ea29313
--- /dev/null
+++ b/plat/arm/common/arm_io_storage.c
@@ -0,0 +1,337 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <assert.h>
+#include <debug.h>
+#include <io_driver.h>
+#include <io_fip.h>
+#include <io_memmap.h>
+#include <io_storage.h>
+#include <platform_def.h>
+#include <semihosting.h>	/* For FOPEN_MODE_... */
+#include <string.h>
+
+/* IO devices */
+static const io_dev_connector_t *fip_dev_con;
+static uintptr_t fip_dev_handle;
+static const io_dev_connector_t *memmap_dev_con;
+static uintptr_t memmap_dev_handle;
+
+static const io_block_spec_t fip_block_spec = {
+	.offset = PLAT_ARM_FIP_BASE,
+	.length = PLAT_ARM_FIP_MAX_SIZE
+};
+
+static const io_file_spec_t bl2_file_spec = {
+	.path = BL2_IMAGE_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl30_file_spec = {
+	.path = BL30_IMAGE_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl31_file_spec = {
+	.path = BL31_IMAGE_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl32_file_spec = {
+	.path = BL32_IMAGE_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl33_file_spec = {
+	.path = BL33_IMAGE_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+#if TRUSTED_BOARD_BOOT
+static const io_file_spec_t bl2_cert_file_spec = {
+	.path = BL2_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t trusted_key_cert_file_spec = {
+	.path = TRUSTED_KEY_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl30_key_cert_file_spec = {
+	.path = BL30_KEY_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl31_key_cert_file_spec = {
+	.path = BL31_KEY_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl32_key_cert_file_spec = {
+	.path = BL32_KEY_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl33_key_cert_file_spec = {
+	.path = BL33_KEY_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl30_cert_file_spec = {
+	.path = BL30_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl31_cert_file_spec = {
+	.path = BL31_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl32_cert_file_spec = {
+	.path = BL32_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+
+static const io_file_spec_t bl33_cert_file_spec = {
+	.path = BL33_CERT_NAME,
+	.mode = FOPEN_MODE_RB
+};
+#endif /* TRUSTED_BOARD_BOOT */
+
+static int open_fip(const uintptr_t spec);
+static int open_memmap(const uintptr_t spec);
+
+struct plat_io_policy {
+	const char *image_name;
+	uintptr_t *dev_handle;
+	uintptr_t image_spec;
+	int (*check)(const uintptr_t spec);
+};
+
+static const struct plat_io_policy policies[] = {
+	{
+		FIP_IMAGE_NAME,
+		&memmap_dev_handle,
+		(uintptr_t)&fip_block_spec,
+		open_memmap
+	}, {
+		BL2_IMAGE_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl2_file_spec,
+		open_fip
+	}, {
+		BL30_IMAGE_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl30_file_spec,
+		open_fip
+	}, {
+		BL31_IMAGE_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl31_file_spec,
+		open_fip
+	}, {
+		BL32_IMAGE_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl32_file_spec,
+		open_fip
+	}, {
+		BL33_IMAGE_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl33_file_spec,
+		open_fip
+	}, {
+#if TRUSTED_BOARD_BOOT
+		BL2_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl2_cert_file_spec,
+		open_fip
+	}, {
+		TRUSTED_KEY_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&trusted_key_cert_file_spec,
+		open_fip
+	}, {
+		BL30_KEY_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl30_key_cert_file_spec,
+		open_fip
+	}, {
+		BL31_KEY_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl31_key_cert_file_spec,
+		open_fip
+	}, {
+		BL32_KEY_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl32_key_cert_file_spec,
+		open_fip
+	}, {
+		BL33_KEY_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl33_key_cert_file_spec,
+		open_fip
+	}, {
+		BL30_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl30_cert_file_spec,
+		open_fip
+	}, {
+		BL31_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl31_cert_file_spec,
+		open_fip
+	}, {
+		BL32_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl32_cert_file_spec,
+		open_fip
+	}, {
+		BL33_CERT_NAME,
+		&fip_dev_handle,
+		(uintptr_t)&bl33_cert_file_spec,
+		open_fip
+	}, {
+#endif /* TRUSTED_BOARD_BOOT */
+		0, 0, 0
+	}
+};
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak plat_arm_io_setup
+#pragma weak plat_arm_get_alt_image_source
+
+
+static int open_fip(const uintptr_t spec)
+{
+	int result;
+	uintptr_t local_image_handle;
+
+	/* See if a Firmware Image Package is available */
+	result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_NAME);
+	if (result == IO_SUCCESS) {
+		result = io_open(fip_dev_handle, spec, &local_image_handle);
+		if (result == IO_SUCCESS) {
+			VERBOSE("Using FIP\n");
+			io_close(local_image_handle);
+		}
+	}
+	return result;
+}
+
+
+static int open_memmap(const uintptr_t spec)
+{
+	int result;
+	uintptr_t local_image_handle;
+
+	result = io_dev_init(memmap_dev_handle, (uintptr_t)NULL);
+	if (result == IO_SUCCESS) {
+		result = io_open(memmap_dev_handle, spec, &local_image_handle);
+		if (result == IO_SUCCESS) {
+			VERBOSE("Using Memmap\n");
+			io_close(local_image_handle);
+		}
+	}
+	return result;
+}
+
+
+void arm_io_setup(void)
+{
+	int io_result;
+
+	io_result = register_io_dev_fip(&fip_dev_con);
+	assert(io_result == IO_SUCCESS);
+
+	io_result = register_io_dev_memmap(&memmap_dev_con);
+	assert(io_result == IO_SUCCESS);
+
+	/* Open connections to devices and cache the handles */
+	io_result = io_dev_open(fip_dev_con, (uintptr_t)NULL,
+				&fip_dev_handle);
+	assert(io_result == IO_SUCCESS);
+
+	io_result = io_dev_open(memmap_dev_con, (uintptr_t)NULL,
+				&memmap_dev_handle);
+	assert(io_result == IO_SUCCESS);
+
+	/* Ignore improbable errors in release builds */
+	(void)io_result;
+}
+
+void plat_arm_io_setup(void)
+{
+	arm_io_setup();
+}
+
+int plat_arm_get_alt_image_source(
+	const uintptr_t image_spec __attribute__((unused)),
+	uintptr_t *dev_handle __attribute__((unused)))
+{
+	/* By default do not try an alternative */
+	return IO_FAIL;
+}
+
+/* Return an IO device handle and specification which can be used to access
+ * an image. Use this to enforce platform load policy */
+int plat_get_image_source(const char *image_name, uintptr_t *dev_handle,
+			  uintptr_t *image_spec)
+{
+	int result = IO_FAIL;
+	const struct plat_io_policy *policy;
+
+	if ((image_name != NULL) && (dev_handle != NULL) &&
+	    (image_spec != NULL)) {
+		policy = policies;
+		while (policy->image_name != NULL) {
+			if (strcmp(policy->image_name, image_name) == 0) {
+				result = policy->check(policy->image_spec);
+				if (result == IO_SUCCESS) {
+					*image_spec = policy->image_spec;
+					*dev_handle = *(policy->dev_handle);
+					break;
+				}
+				VERBOSE("Trying alternative IO\n");
+				result = plat_arm_get_alt_image_source(
+						policy->image_spec,
+						dev_handle);
+				if (result == IO_SUCCESS) {
+					*image_spec = policy->image_spec;
+					break;
+				}
+			}
+			policy++;
+		}
+	} else {
+		result = IO_FAIL;
+	}
+	return result;
+}
diff --git a/plat/arm/common/arm_pm.c b/plat/arm/common/arm_pm.c
new file mode 100644
index 0000000..67c2b73
--- /dev/null
+++ b/plat/arm/common/arm_pm.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <errno.h>
+#include <psci.h>
+
+
+/*******************************************************************************
+ * ARM standard platform utility function which is used to determine if any
+ * platform actions should be performed for the specified affinity instance
+ * given its state. Nothing needs to be done if the 'state' is not off or if
+ * this is not the highest affinity level which will enter the 'state'.
+ ******************************************************************************/
+int32_t arm_do_affinst_actions(unsigned int afflvl, unsigned int state)
+{
+	unsigned int max_phys_off_afflvl;
+
+	assert(afflvl <= MPIDR_AFFLVL1);
+
+	if (state != PSCI_STATE_OFF)
+		return -EAGAIN;
+
+	/*
+	 * Find the highest affinity level which will be suspended and postpone
+	 * all the platform specific actions until that level is hit.
+	 */
+	max_phys_off_afflvl = psci_get_max_phys_off_afflvl();
+	assert(max_phys_off_afflvl != PSCI_INVALID_DATA);
+	if (afflvl != max_phys_off_afflvl)
+		return -EAGAIN;
+
+	return 0;
+}
+
+/*******************************************************************************
+ * ARM standard platform handler called to check the validity of the power state
+ * parameter.
+ ******************************************************************************/
+int arm_validate_power_state(unsigned int power_state)
+{
+	/* Sanity check the requested state */
+	if (psci_get_pstate_type(power_state) == PSTATE_TYPE_STANDBY) {
+		/*
+		 * It's possible to enter standby only on affinity level 0
+		 * (i.e. a CPU on ARM standard platforms).
+		 * Ignore any other affinity level.
+		 */
+		if (psci_get_pstate_afflvl(power_state) != MPIDR_AFFLVL0)
+			return PSCI_E_INVALID_PARAMS;
+	}
+
+	/*
+	 * We expect the 'state id' to be zero.
+	 */
+	if (psci_get_pstate_id(power_state))
+		return PSCI_E_INVALID_PARAMS;
+
+	return PSCI_E_SUCCESS;
+}
diff --git a/plat/arm/common/arm_security.c b/plat/arm/common/arm_security.c
new file mode 100644
index 0000000..8bee4fe
--- /dev/null
+++ b/plat/arm/common/arm_security.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arm_def.h>
+#include <debug.h>
+#include <platform_def.h>
+#include <tzc400.h>
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak plat_arm_security_setup
+
+
+/*******************************************************************************
+ * Initialize the TrustZone Controller for ARM standard platforms.
+ * Configure Region 0 with no access, Region 1 with secure access only, and
+ * the remaining DRAM regions access from the given Non-Secure masters.
+ ******************************************************************************/
+void arm_tzc_setup(void)
+{
+	INFO("Configuring TrustZone Controller\n");
+
+	tzc_init(ARM_TZC_BASE);
+
+	/* Disable filters. */
+	tzc_disable_filters();
+
+	/* Region 0 set to no access by default */
+	tzc_configure_region0(TZC_REGION_S_NONE, 0);
+
+	/* Region 1 set to cover Secure part of DRAM */
+	tzc_configure_region(PLAT_ARM_TZC_FILTERS, 1,
+			ARM_AP_TZC_DRAM1_BASE, ARM_AP_TZC_DRAM1_END,
+			TZC_REGION_S_RDWR,
+			0);
+
+	/* Region 2 set to cover Non-Secure access to 1st DRAM address range.
+	 * Apply the same configuration to given filters in the TZC. */
+	tzc_configure_region(PLAT_ARM_TZC_FILTERS, 2,
+			ARM_NS_DRAM1_BASE, ARM_NS_DRAM1_END,
+			TZC_REGION_S_NONE,
+			PLAT_ARM_TZC_NS_DEV_ACCESS);
+
+	/* Region 3 set to cover Non-Secure access to 2nd DRAM address range */
+	tzc_configure_region(PLAT_ARM_TZC_FILTERS, 3,
+			ARM_DRAM2_BASE, ARM_DRAM2_END,
+			TZC_REGION_S_NONE,
+			PLAT_ARM_TZC_NS_DEV_ACCESS);
+
+	/*
+	 * Raise an exception if a NS device tries to access secure memory
+	 * TODO: Add interrupt handling support.
+	 */
+	tzc_set_action(TZC_ACTION_ERR);
+
+	/* Enable filters. */
+	tzc_enable_filters();
+}
+
+void plat_arm_security_setup(void)
+{
+	arm_tzc_setup();
+}
diff --git a/plat/arm/common/arm_topology.c b/plat/arm/common/arm_topology.c
new file mode 100644
index 0000000..94faa9f
--- /dev/null
+++ b/plat/arm/common/arm_topology.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch.h>
+#include <psci.h>
+#include <platform_def.h>
+
+/*
+ * Weak definitions use fixed topology. Strong definitions could make topology
+ * configurable
+ */
+#pragma weak plat_get_aff_count
+#pragma weak plat_get_aff_state
+#pragma weak plat_arm_topology_setup
+
+
+unsigned int plat_get_aff_count(unsigned int aff_lvl, unsigned long mpidr)
+{
+	/* Report 1 (absent) instance at levels higher that the cluster level */
+	if (aff_lvl > MPIDR_AFFLVL1)
+		return 1;
+
+	if (aff_lvl == MPIDR_AFFLVL1)
+		return ARM_CLUSTER_COUNT;
+
+	return mpidr & 0x100 ? PLAT_ARM_CLUSTER1_CORE_COUNT :
+				PLAT_ARM_CLUSTER0_CORE_COUNT;
+}
+
+unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr)
+{
+	return aff_lvl <= MPIDR_AFFLVL1 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT;
+}
+
+void plat_arm_topology_setup(void)
+{
+}
diff --git a/plat/arm/common/tsp/arm_tsp.mk b/plat/arm/common/tsp/arm_tsp.mk
new file mode 100644
index 0000000..fc6bd93
--- /dev/null
+++ b/plat/arm/common/tsp/arm_tsp.mk
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# Neither the name of ARM nor the names of its contributors may be used
+# to endorse or promote products derived from this software without specific
+# prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+# TSP source files common to ARM standard platforms
+BL32_SOURCES		+=	drivers/arm/gic/arm_gic.c			\
+				drivers/arm/gic/gic_v2.c			\
+				plat/arm/common/tsp/arm_tsp_setup.c		\
+				plat/common/aarch64/platform_mp_stack.S		\
+				plat/common/plat_gic.c
diff --git a/plat/arm/common/tsp/arm_tsp_setup.c b/plat/arm/common/tsp/arm_tsp_setup.c
new file mode 100644
index 0000000..78db160
--- /dev/null
+++ b/plat/arm/common/tsp/arm_tsp_setup.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arm_def.h>
+#include <bl_common.h>
+#include <console.h>
+#include <platform_def.h>
+#include <platform_tsp.h>
+#include <plat_arm.h>
+
+
+/*
+ * The next 3 constants identify the extents of the code & RO data region and
+ * the limit of the BL3-2 image. These addresses are used by the MMU setup code
+ * and therefore they must be page-aligned.  It is the responsibility of the
+ * linker script to ensure that __RO_START__, __RO_END__ & & __BL32_END__
+ * linker symbols refer to page-aligned addresses.
+ */
+#define BL32_RO_BASE (unsigned long)(&__RO_START__)
+#define BL32_RO_LIMIT (unsigned long)(&__RO_END__)
+#define BL32_END (unsigned long)(&__BL32_END__)
+
+#if USE_COHERENT_MEM
+/*
+ * The next 2 constants identify the extents of the coherent memory region.
+ * These addresses are used by the MMU setup code and therefore they must be
+ * page-aligned.  It is the responsibility of the linker script to ensure that
+ * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to
+ * page-aligned addresses.
+ */
+#define BL32_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
+#define BL32_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
+#endif
+
+
+/* Weak definitions may be overridden in specific ARM standard platform */
+#pragma weak tsp_early_platform_setup
+#pragma weak tsp_platform_setup
+#pragma weak tsp_plat_arch_setup
+
+
+/*******************************************************************************
+ * Initialize the UART
+ ******************************************************************************/
+void arm_tsp_early_platform_setup(void)
+{
+	/*
+	 * Initialize a different console than already in use to display
+	 * messages from TSP
+	 */
+	console_init(PLAT_ARM_TSP_UART_BASE, PLAT_ARM_TSP_UART_CLK_IN_HZ,
+			ARM_CONSOLE_BAUDRATE);
+}
+
+void tsp_early_platform_setup(void)
+{
+	arm_tsp_early_platform_setup();
+}
+
+/*******************************************************************************
+ * Perform platform specific setup placeholder
+ ******************************************************************************/
+void tsp_platform_setup(void)
+{
+	plat_arm_gic_init();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only intializes the MMU
+ ******************************************************************************/
+void tsp_plat_arch_setup(void)
+{
+	arm_configure_mmu_el1(BL32_RO_BASE,
+			      (BL32_END - BL32_RO_BASE),
+			      BL32_RO_BASE,
+			      BL32_RO_LIMIT
+#if USE_COHERENT_MEM
+			      , BL32_COHERENT_RAM_BASE,
+			      BL32_COHERENT_RAM_LIMIT
+#endif
+			      );
+}
diff --git a/plat/arm/css/common/aarch64/css_helpers.S b/plat/arm/css/common/aarch64/css_helpers.S
new file mode 100644
index 0000000..1eee762
--- /dev/null
+++ b/plat/arm/css/common/aarch64/css_helpers.S
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <arch.h>
+#include <asm_macros.S>
+#include <cpu_macros.S>
+#include <css_def.h>
+
+	.weak	plat_secondary_cold_boot_setup
+	.weak	platform_get_entrypoint
+	.weak	platform_mem_init
+	.globl	platform_get_core_pos
+	.weak	platform_is_primary_cpu
+
+
+	/* -----------------------------------------------------
+	 * 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
+	/* todo: Implement secondary CPU cold boot setup on CSS platforms */
+cb_panic:
+	b	cb_panic
+endfunc plat_secondary_cold_boot_setup
+
+	/* -----------------------------------------------------
+	 * void platform_get_entrypoint (unsigned int mpid);
+	 *
+	 * Main job of this routine is to distinguish between
+	 * a cold and warm boot.
+	 * On a cold boot the secondaries first wait for the
+	 * platform to be initialized after which they are
+	 * hotplugged in. The primary proceeds to perform the
+	 * platform initialization.
+	 * On a warm boot, each cpu jumps to the address in its
+	 * mailbox.
+	 *
+	 * TODO: Not a good idea to save lr in a temp reg
+	 * -----------------------------------------------------
+	 */
+func platform_get_entrypoint
+	mov	x9, x30 // lr
+	bl	platform_get_core_pos
+	ldr	x1, =TRUSTED_MAILBOXES_BASE
+	lsl	x0, x0, #TRUSTED_MAILBOX_SHIFT
+	ldr	x0, [x1, x0]
+	ret	x9
+endfunc platform_get_entrypoint
+
+	/*
+	 * Override the default implementation to swap the cluster order.
+	 * This is necessary in order to match the format of the boot
+	 * information passed by the SCP and read in platform_is_primary_cpu
+	 * below.
+	 */
+func platform_get_core_pos
+	and	x1, x0, #MPIDR_CPU_MASK
+	and	x0, x0, #MPIDR_CLUSTER_MASK
+	eor	x0, x0, #(1 << MPIDR_AFFINITY_BITS)  // swap cluster order
+	add	x0, x1, x0, LSR #6
+	ret
+endfunc platform_get_core_pos
+
+	/* -----------------------------------------------------
+	 * void platform_mem_init(void);
+	 *
+	 * We don't need to carry out any memory initialization
+	 * on CSS platforms. The Secure RAM is accessible straight away.
+	 * -----------------------------------------------------
+	 */
+func platform_mem_init
+	ret
+endfunc platform_mem_init
+
+	/* -----------------------------------------------------
+	 * unsigned int platform_is_primary_cpu (unsigned int mpid);
+	 *
+	 * Given the mpidr say whether this cpu is the primary
+	 * cpu (applicable ony after a cold boot)
+	 * -----------------------------------------------------
+	 */
+func platform_is_primary_cpu
+	mov	x9, x30
+	bl	platform_get_core_pos
+	ldr	x1, =SCP_BOOT_CFG_ADDR
+	ldr	x1, [x1]
+	ubfx	x1, x1, #PRIMARY_CPU_SHIFT, #PRIMARY_CPU_MASK
+	cmp	x0, x1
+	cset	x0, eq
+	ret	x9
+endfunc platform_is_primary_cpu
diff --git a/plat/arm/css/common/css_bl2_setup.c b/plat/arm/css/common/css_bl2_setup.c
new file mode 100644
index 0000000..2ca7a0b
--- /dev/null
+++ b/plat/arm/css/common/css_bl2_setup.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bl_common.h>
+#include <debug.h>
+#include "css_scp_bootloader.h"
+
+/* Weak definition may be overridden in specific CSS based platform */
+#pragma weak bl2_plat_handle_bl30
+
+/*******************************************************************************
+ * Transfer BL3-0 from Trusted RAM using the SCP Download protocol.
+ * Return 0 on success, -1 otherwise.
+ ******************************************************************************/
+int bl2_plat_handle_bl30(image_info_t *bl30_image_info)
+{
+	int ret;
+
+	ret = scp_bootloader_transfer((void *)bl30_image_info->image_base,
+		bl30_image_info->image_size);
+
+	if (ret == 0)
+		INFO("BL2: BL3-0 transferred to SCP\n\r");
+	else
+		ERROR("BL2: BL3-0 transfer failure\n\r");
+
+	return ret;
+}
diff --git a/plat/arm/css/common/css_common.c b/plat/arm/css/common/css_common.c
new file mode 100644
index 0000000..91813f2
--- /dev/null
+++ b/plat/arm/css/common/css_common.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arm_gic.h>
+#include <bl_common.h>
+#include <platform_def.h>
+
+
+#if IMAGE_BL31 || IMAGE_BL32
+
+const unsigned int irq_sec_array[] = {
+	PLAT_CSS_IRQ_SEC_LIST,
+	ARM_IRQ_SEC_PHY_TIMER,
+	ARM_IRQ_SEC_SGI_0,
+	ARM_IRQ_SEC_SGI_1,
+	ARM_IRQ_SEC_SGI_2,
+	ARM_IRQ_SEC_SGI_3,
+	ARM_IRQ_SEC_SGI_4,
+	ARM_IRQ_SEC_SGI_5,
+	ARM_IRQ_SEC_SGI_6,
+	ARM_IRQ_SEC_SGI_7
+};
+
+
+/* Weak definitions may be overridden in specific CSS based platform */
+#pragma weak plat_arm_gic_init
+
+void plat_arm_gic_init(void)
+{
+	arm_gic_init(PLAT_CSS_GICC_BASE,
+		PLAT_CSS_GICD_BASE,
+		PLAT_CSS_GICR_BASE,
+		irq_sec_array,
+		ARRAY_SIZE(irq_sec_array));
+}
+
+#endif /* IMAGE_BL31 || IMAGE_BL32 */
diff --git a/plat/arm/css/common/css_common.mk b/plat/arm/css/common/css_common.mk
new file mode 100644
index 0000000..edbfe1e
--- /dev/null
+++ b/plat/arm/css/common/css_common.mk
@@ -0,0 +1,55 @@
+#
+# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# Neither the name of ARM nor the names of its contributors may be used
+# to endorse or promote products derived from this software without specific
+# prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+PLAT_INCLUDES		+=	-Iinclude/plat/arm/css/common			\
+				-Iinclude/plat/arm/css/common/aarch64
+
+
+PLAT_BL_COMMON_SOURCES	+=	plat/arm/css/common/aarch64/css_helpers.S	\
+				plat/arm/css/common/css_common.c
+
+#BL1_SOURCES		+=
+
+BL2_SOURCES		+=	plat/arm/css/common/css_bl2_setup.c		\
+				plat/arm/css/common/css_mhu.c			\
+				plat/arm/css/common/css_scp_bootloader.c	\
+				plat/arm/css/common/css_scpi.c
+
+BL31_SOURCES		+=	plat/arm/css/common/css_mhu.c			\
+				plat/arm/css/common/css_pm.c			\
+				plat/arm/css/common/css_scpi.c
+
+
+ifneq (${RESET_TO_BL31},0)
+  $(error "Using BL3-1 as the reset vector is not supported on CSS platforms. \
+  Please set RESET_TO_BL31 to 0.")
+endif
+
+NEED_BL30		:=	yes
diff --git a/plat/arm/css/common/css_mhu.c b/plat/arm/css/common/css_mhu.c
new file mode 100644
index 0000000..fa4a81d
--- /dev/null
+++ b/plat/arm/css/common/css_mhu.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch_helpers.h>
+#include <bakery_lock.h>
+#include <css_def.h>
+#include <mmio.h>
+#include <plat_arm.h>
+#include "css_mhu.h"
+
+/* SCP MHU secure channel registers */
+#define SCP_INTR_S_STAT		0x200
+#define SCP_INTR_S_SET		0x208
+#define SCP_INTR_S_CLEAR	0x210
+
+/* CPU MHU secure channel registers */
+#define CPU_INTR_S_STAT		0x300
+#define CPU_INTR_S_SET		0x308
+#define CPU_INTR_S_CLEAR	0x310
+
+ARM_INSTANTIATE_LOCK
+
+/* Weak definition may be overridden in specific CSS based platform */
+#pragma weak plat_arm_pwrc_setup
+
+
+void mhu_secure_message_start(void)
+{
+	arm_lock_get();
+
+	/* Make sure any previous command has finished */
+	while (mmio_read_32(MHU_BASE + CPU_INTR_S_STAT) != 0)
+		;
+}
+
+void mhu_secure_message_send(uint32_t command)
+{
+	/* Send command to SCP and wait for it to pick it up */
+	mmio_write_32(MHU_BASE + CPU_INTR_S_SET, command);
+	while (mmio_read_32(MHU_BASE + CPU_INTR_S_STAT) != 0)
+		;
+}
+
+uint32_t mhu_secure_message_wait(void)
+{
+	/* Wait for response from SCP */
+	uint32_t response;
+	while (!(response = mmio_read_32(MHU_BASE + SCP_INTR_S_STAT)))
+		;
+
+	return response;
+}
+
+void mhu_secure_message_end(void)
+{
+	/*
+	 * Clear any response we got by writing all ones to the CLEAR
+	 * register
+	 */
+	mmio_write_32(MHU_BASE + SCP_INTR_S_CLEAR, 0xffffffffu);
+
+	arm_lock_release();
+}
+
+void mhu_secure_init(void)
+{
+	arm_lock_init();
+
+	/*
+	 * Clear the CPU's INTR register to make sure we don't see a stale
+	 * or garbage value and think it's a message we've already sent.
+	 */
+	mmio_write_32(MHU_BASE + CPU_INTR_S_CLEAR, 0xffffffffu);
+}
+
+void plat_arm_pwrc_setup(void)
+{
+	mhu_secure_init();
+}
diff --git a/plat/arm/css/common/css_mhu.h b/plat/arm/css/common/css_mhu.h
new file mode 100644
index 0000000..c2e5327
--- /dev/null
+++ b/plat/arm/css/common/css_mhu.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CSS_MHU_H__
+#define __CSS_MHU_H__
+
+#include <stdint.h>
+
+extern void mhu_secure_message_start(void);
+extern void mhu_secure_message_send(uint32_t command);
+extern uint32_t mhu_secure_message_wait(void);
+extern void mhu_secure_message_end(void);
+
+extern void mhu_secure_init(void);
+
+#endif	/* __CSS_MHU_H__ */
diff --git a/plat/arm/css/common/css_pm.c b/plat/arm/css/common/css_pm.c
new file mode 100644
index 0000000..7b0282e
--- /dev/null
+++ b/plat/arm/css/common/css_pm.c
@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <arch_helpers.h>
+#include <arm_gic.h>
+#include <cci.h>
+#include <css_def.h>
+#include <debug.h>
+#include <errno.h>
+#include <plat_arm.h>
+#include <platform.h>
+#include <platform_def.h>
+#include <psci.h>
+#include "css_scpi.h"
+
+/*******************************************************************************
+ * Private function to program the mailbox for a cpu before it is released
+ * from reset.
+ ******************************************************************************/
+static void css_program_mailbox(uint64_t mpidr, uint64_t address)
+{
+	uint64_t linear_id;
+	uint64_t mbox;
+
+	linear_id = platform_get_core_pos(mpidr);
+	mbox = TRUSTED_MAILBOXES_BASE +	(linear_id << TRUSTED_MAILBOX_SHIFT);
+	*((uint64_t *) mbox) = address;
+	flush_dcache_range(mbox, sizeof(mbox));
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance is about to be turned on. The
+ * level and mpidr determine the affinity instance.
+ ******************************************************************************/
+int32_t css_affinst_on(uint64_t mpidr,
+			uint64_t sec_entrypoint,
+			uint32_t afflvl,
+			uint32_t state)
+{
+	/*
+	 * SCP takes care of powering up higher affinity levels so we
+	 * only need to care about level 0
+	 */
+	if (afflvl != MPIDR_AFFLVL0)
+		return PSCI_E_SUCCESS;
+
+	/*
+	 * Setup mailbox with address for CPU entrypoint when it next powers up
+	 */
+	css_program_mailbox(mpidr, sec_entrypoint);
+
+	scpi_set_css_power_state(mpidr, scpi_power_on, scpi_power_on,
+				 scpi_power_on);
+
+	return PSCI_E_SUCCESS;
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance has just been powered on after
+ * being turned off earlier. The level and mpidr determine the affinity
+ * instance. The 'state' arg. allows the platform to decide whether the cluster
+ * was turned off prior to wakeup and do what's necessary to setup it up
+ * correctly.
+ ******************************************************************************/
+void css_affinst_on_finish(uint32_t afflvl, uint32_t state)
+{
+	unsigned long mpidr;
+
+	/* Determine if any platform actions need to be executed. */
+	if (arm_do_affinst_actions(afflvl, state) == -EAGAIN)
+		return;
+
+	/* Get the mpidr for this cpu */
+	mpidr = read_mpidr_el1();
+
+	/*
+	 * Perform the common cluster specific operations i.e enable coherency
+	 * if this cluster was off.
+	 */
+	if (afflvl != MPIDR_AFFLVL0)
+		cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
+
+	/* Enable the gic cpu interface */
+	arm_gic_cpuif_setup();
+
+	/* todo: Is this setup only needed after a cold boot? */
+	arm_gic_pcpu_distif_setup();
+
+	/* Clear the mailbox for this cpu. */
+	css_program_mailbox(mpidr, 0);
+}
+
+/*******************************************************************************
+ * Common function called while turning a cpu off or suspending it. It is called
+ * from css_off() or css_suspend() when these functions in turn are called for
+ * the highest affinity level which will be powered down. It performs the
+ * actions common to the OFF and SUSPEND calls.
+ ******************************************************************************/
+static void css_power_down_common(uint32_t afflvl)
+{
+	uint32_t cluster_state = scpi_power_on;
+
+	/* Prevent interrupts from spuriously waking up this cpu */
+	arm_gic_cpuif_deactivate();
+
+	/* Cluster is to be turned off, so disable coherency */
+	if (afflvl > MPIDR_AFFLVL0) {
+		cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+		cluster_state = scpi_power_off;
+	}
+
+	/*
+	 * Ask the SCP to power down the appropriate components depending upon
+	 * their state.
+	 */
+	scpi_set_css_power_state(read_mpidr_el1(),
+				 scpi_power_off,
+				 cluster_state,
+				 scpi_power_on);
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance is about to be turned off. The
+ * level and mpidr determine the affinity instance. The 'state' arg. allows the
+ * platform to decide whether the cluster is being turned off and take
+ * appropriate actions.
+ *
+ * CAUTION: There is no guarantee that caches will remain turned on across calls
+ * to this function as each affinity level is dealt with. So do not write & read
+ * global variables across calls. It will be wise to do flush a write to the
+ * global to prevent unpredictable results.
+ ******************************************************************************/
+static void css_affinst_off(uint32_t afflvl, uint32_t state)
+{
+	/* Determine if any platform actions need to be executed */
+	if (arm_do_affinst_actions(afflvl, state) == -EAGAIN)
+		return;
+
+	css_power_down_common(afflvl);
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance is about to be suspended. The
+ * level and mpidr determine the affinity instance. The 'state' arg. allows the
+ * platform to decide whether the cluster is being turned off and take apt
+ * actions. The 'sec_entrypoint' determines the address in BL3-1 from where
+ * execution should resume.
+ *
+ * CAUTION: There is no guarantee that caches will remain turned on across calls
+ * to this function as each affinity level is dealt with. So do not write & read
+ * global variables across calls. It will be wise to do flush a write to the
+ * global to prevent unpredictable results.
+ ******************************************************************************/
+static void css_affinst_suspend(uint64_t sec_entrypoint,
+				    uint32_t afflvl,
+				    uint32_t state)
+{
+	/* Determine if any platform actions need to be executed */
+	if (arm_do_affinst_actions(afflvl, state) == -EAGAIN)
+		return;
+
+	/*
+	 * Setup mailbox with address for CPU entrypoint when it next powers up.
+	 */
+	css_program_mailbox(read_mpidr_el1(), sec_entrypoint);
+
+	css_power_down_common(afflvl);
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance has just been powered on after
+ * having been suspended earlier. The level and mpidr determine the affinity
+ * instance.
+ * TODO: At the moment we reuse the on finisher and reinitialize the secure
+ * context. Need to implement a separate suspend finisher.
+ ******************************************************************************/
+static void css_affinst_suspend_finish(uint32_t afflvl,
+					   uint32_t state)
+{
+	css_affinst_on_finish(afflvl, state);
+}
+
+/*******************************************************************************
+ * Handlers to shutdown/reboot the system
+ ******************************************************************************/
+static void __dead2 css_system_off(void)
+{
+	uint32_t response;
+
+	/* Send the power down request to the SCP */
+	response = scpi_sys_power_state(scpi_system_shutdown);
+
+	if (response != SCP_OK) {
+		ERROR("CSS System Off: SCP error %u.\n", response);
+		panic();
+	}
+	wfi();
+	ERROR("CSS System Off: operation not handled.\n");
+	panic();
+}
+
+static void __dead2 css_system_reset(void)
+{
+	uint32_t response;
+
+	/* Send the system reset request to the SCP */
+	response = scpi_sys_power_state(scpi_system_reboot);
+
+	if (response != SCP_OK) {
+		ERROR("CSS System Reset: SCP error %u.\n", response);
+		panic();
+	}
+	wfi();
+	ERROR("CSS System Reset: operation not handled.\n");
+	panic();
+}
+
+/*******************************************************************************
+ * Handler called when an affinity instance is about to enter standby.
+ ******************************************************************************/
+void css_affinst_standby(unsigned int power_state)
+{
+	unsigned int scr;
+
+	scr = read_scr_el3();
+	/* Enable PhysicalIRQ bit for NS world to wake the CPU */
+	write_scr_el3(scr | SCR_IRQ_BIT);
+	isb();
+	dsb();
+	wfi();
+
+	/*
+	 * Restore SCR to the original value, synchronisation of scr_el3 is
+	 * done by eret while el3_exit to save some execution cycles.
+	 */
+	write_scr_el3(scr);
+}
+
+/*******************************************************************************
+ * Export the platform handlers to enable psci to invoke them
+ ******************************************************************************/
+static const plat_pm_ops_t css_ops = {
+	.affinst_on		= css_affinst_on,
+	.affinst_on_finish	= css_affinst_on_finish,
+	.affinst_off		= css_affinst_off,
+	.affinst_standby	= css_affinst_standby,
+	.affinst_suspend	= css_affinst_suspend,
+	.affinst_suspend_finish	= css_affinst_suspend_finish,
+	.system_off		= css_system_off,
+	.system_reset		= css_system_reset,
+	.validate_power_state	= arm_validate_power_state
+};
+
+/*******************************************************************************
+ * Export the platform specific power ops.
+ ******************************************************************************/
+int32_t platform_setup_pm(const plat_pm_ops_t **plat_ops)
+{
+	*plat_ops = &css_ops;
+	return 0;
+}
diff --git a/plat/arm/css/common/css_scp_bootloader.c b/plat/arm/css/common/css_scp_bootloader.c
new file mode 100644
index 0000000..b0bd417
--- /dev/null
+++ b/plat/arm/css/common/css_scp_bootloader.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch_helpers.h>
+#include <css_def.h>
+#include <platform.h>
+#include "css_mhu.h"
+#include "css_scp_bootloader.h"
+#include "css_scpi.h"
+
+/* Boot commands sent from AP -> SCP */
+#define BOOT_CMD_START	0x01
+#define BOOT_CMD_DATA	0x02
+
+typedef struct {
+	uint32_t image_size;
+} cmd_start_payload;
+
+typedef struct {
+	uint32_t sequence_num;
+	uint32_t offset;
+	uint32_t size;
+} cmd_data_payload;
+
+#define BOOT_DATA_MAX_SIZE  0x1000
+
+/* Boot commands sent from SCP -> AP */
+#define BOOT_CMD_ACK	0x03
+#define BOOT_CMD_NACK	0x04
+
+typedef struct {
+	uint32_t sequence_num;
+} cmd_ack_payload;
+
+/*
+ * Unlike the runtime protocol, the boot protocol uses the same memory region
+ * for both AP -> SCP and SCP -> AP transfers; define the address of this...
+ */
+static void * const cmd_payload = (void *)(MHU_SECURE_BASE + 0x0080);
+
+static void *scp_boot_message_start(void)
+{
+	mhu_secure_message_start();
+
+	return cmd_payload;
+}
+
+static void scp_boot_message_send(unsigned command, size_t size)
+{
+	/* Make sure payload can be seen by SCP */
+	if (MHU_PAYLOAD_CACHED)
+		flush_dcache_range((unsigned long)cmd_payload, size);
+
+	/* Send command to SCP */
+	mhu_secure_message_send(command | (size << 8));
+}
+
+static uint32_t scp_boot_message_wait(size_t size)
+{
+	uint32_t response =  mhu_secure_message_wait();
+
+	/* Make sure we see the reply from the SCP and not any stale data */
+	if (MHU_PAYLOAD_CACHED)
+		inv_dcache_range((unsigned long)cmd_payload, size);
+
+	return response & 0xff;
+}
+
+static void scp_boot_message_end(void)
+{
+	mhu_secure_message_end();
+}
+
+static int transfer_block(uint32_t sequence_num, uint32_t offset, uint32_t size)
+{
+	cmd_data_payload *cmd_data = scp_boot_message_start();
+	cmd_data->sequence_num = sequence_num;
+	cmd_data->offset = offset;
+	cmd_data->size = size;
+
+	scp_boot_message_send(BOOT_CMD_DATA, sizeof(*cmd_data));
+
+	cmd_ack_payload *cmd_ack = cmd_payload;
+	int ok = scp_boot_message_wait(sizeof(*cmd_ack)) == BOOT_CMD_ACK
+		 && cmd_ack->sequence_num == sequence_num;
+
+	scp_boot_message_end();
+
+	return ok;
+}
+
+int scp_bootloader_transfer(void *image, unsigned int image_size)
+{
+	uintptr_t offset = (uintptr_t)image - MHU_SECURE_BASE;
+	uintptr_t end = offset + image_size;
+	uint32_t response;
+
+	mhu_secure_init();
+
+	/* Initiate communications with SCP */
+	do {
+		cmd_start_payload *cmd_start = scp_boot_message_start();
+		cmd_start->image_size = image_size;
+
+		scp_boot_message_send(BOOT_CMD_START, sizeof(*cmd_start));
+
+		response = scp_boot_message_wait(0);
+
+		scp_boot_message_end();
+	} while (response != BOOT_CMD_ACK);
+
+	/* Transfer image to SCP a block at a time */
+	uint32_t sequence_num = 1;
+	size_t size;
+	while ((size = end - offset) != 0) {
+		if (size > BOOT_DATA_MAX_SIZE)
+			size = BOOT_DATA_MAX_SIZE;
+		while (!transfer_block(sequence_num, offset, size))
+			; /* Retry forever */
+		offset += size;
+		sequence_num++;
+	}
+
+	/* Wait for SCP to signal it's ready */
+	return scpi_wait_ready();
+}
diff --git a/plat/arm/css/common/css_scp_bootloader.h b/plat/arm/css/common/css_scp_bootloader.h
new file mode 100644
index 0000000..07b8972
--- /dev/null
+++ b/plat/arm/css/common/css_scp_bootloader.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CSS_SCP_BOOTLOADER_H__
+#define __CSS_SCP_BOOTLOADER_H__
+
+int scp_bootloader_transfer(void *image, unsigned int image_size);
+
+#endif /* __CSS_SCP_BOOTLOADER_H__ */
diff --git a/plat/arm/css/common/css_scpi.c b/plat/arm/css/common/css_scpi.c
new file mode 100644
index 0000000..5bfa2cf
--- /dev/null
+++ b/plat/arm/css/common/css_scpi.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch_helpers.h>
+#include <css_def.h>
+#include <platform.h>
+#include "css_mhu.h"
+#include "css_scpi.h"
+
+#define MHU_SECURE_SCP_TO_AP_PAYLOAD	(MHU_SECURE_BASE+0x0080)
+#define MHU_SECURE_AP_TO_SCP_PAYLOAD	(MHU_SECURE_BASE+0x0280)
+
+#define SIZE_SHIFT	20	/* Bit position for size value in MHU header */
+#define SIZE_MASK	0x1ff	/* Mask to extract size value in MHU header*/
+
+
+void *scpi_secure_message_start(void)
+{
+	mhu_secure_message_start();
+
+	/* Return address of payload area. */
+	return (void *)MHU_SECURE_AP_TO_SCP_PAYLOAD;
+}
+
+void scpi_secure_message_send(unsigned command, size_t size)
+{
+	/* Make sure payload can be seen by SCP */
+	if (MHU_PAYLOAD_CACHED)
+		flush_dcache_range(MHU_SECURE_AP_TO_SCP_PAYLOAD, size);
+
+	mhu_secure_message_send(command | (size << SIZE_SHIFT));
+}
+
+unsigned scpi_secure_message_receive(void **message_out, size_t *size_out)
+{
+	uint32_t response =  mhu_secure_message_wait();
+
+	/* Get size of payload */
+	size_t size = (response >> SIZE_SHIFT) & SIZE_MASK;
+
+	/* Clear size from response */
+	response &= ~(SIZE_MASK << SIZE_SHIFT);
+
+	/* Make sure we don't read stale data */
+	if (MHU_PAYLOAD_CACHED)
+		inv_dcache_range(MHU_SECURE_SCP_TO_AP_PAYLOAD, size);
+
+	if (size_out)
+		*size_out = size;
+
+	if (message_out)
+		*message_out = (void *)MHU_SECURE_SCP_TO_AP_PAYLOAD;
+
+	return response;
+}
+
+void scpi_secure_message_end(void)
+{
+	mhu_secure_message_end();
+}
+
+static void scpi_secure_send32(unsigned command, uint32_t message)
+{
+	*(__typeof__(message) *)scpi_secure_message_start() = message;
+	scpi_secure_message_send(command, sizeof(message));
+	scpi_secure_message_end();
+}
+
+int scpi_wait_ready(void)
+{
+	/* Get a message from the SCP */
+	scpi_secure_message_start();
+	size_t size;
+	unsigned command = scpi_secure_message_receive(NULL, &size);
+	scpi_secure_message_end();
+
+	/* We are expecting 'SCP Ready', produce correct error if it's not */
+	scpi_status_t response = SCP_OK;
+	if (command != SCPI_CMD_SCP_READY)
+		response = SCP_E_SUPPORT;
+	else if (size != 0)
+		response = SCP_E_SIZE;
+
+	/* Send our response back to SCP */
+	scpi_secure_send32(command, response);
+
+	return response == SCP_OK ? 0 : -1;
+}
+
+void scpi_set_css_power_state(unsigned mpidr, scpi_power_state_t cpu_state,
+		scpi_power_state_t cluster_state, scpi_power_state_t css_state)
+{
+	uint32_t state = mpidr & 0x0f;	/* CPU ID */
+	state |= (mpidr & 0xf00) >> 4;	/* Cluster ID */
+	state |= cpu_state << 8;
+	state |= cluster_state << 12;
+	state |= css_state << 16;
+	scpi_secure_send32(SCPI_CMD_SET_CSS_POWER_STATE, state);
+}
+
+uint32_t scpi_sys_power_state(scpi_system_state_t system_state)
+{
+	uint32_t *response;
+	size_t size;
+	uint8_t state = system_state & 0xff;
+
+	/* Send the command */
+	*(__typeof__(state) *)scpi_secure_message_start() = state;
+	scpi_secure_message_send(SCPI_CMD_SYS_POWER_STATE, sizeof(state));
+	scpi_secure_message_receive((void *)&response, &size);
+	scpi_secure_message_end();
+	return *response;
+}
diff --git a/plat/arm/css/common/css_scpi.h b/plat/arm/css/common/css_scpi.h
new file mode 100644
index 0000000..965b36f
--- /dev/null
+++ b/plat/arm/css/common/css_scpi.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CSS_SCPI_H__
+#define __CSS_SCPI_H__
+
+#include <stddef.h>
+#include <stdint.h>
+
+extern void *scpi_secure_message_start(void);
+extern void scpi_secure_message_send(unsigned command, size_t size);
+extern unsigned scpi_secure_message_receive(void **message_out,
+						size_t *size_out);
+extern void scpi_secure_message_end(void);
+
+
+enum {
+	SCP_OK = 0,	/* Success */
+	SCP_E_PARAM,	/* Invalid parameter(s) */
+	SCP_E_ALIGN,	/* Invalid alignment */
+	SCP_E_SIZE,	/* Invalid size */
+	SCP_E_HANDLER,	/* Invalid handler or callback */
+	SCP_E_ACCESS,	/* Invalid access or permission denied */
+	SCP_E_RANGE,	/* Value out of range */
+	SCP_E_TIMEOUT,	/* Time out has ocurred */
+	SCP_E_NOMEM,	/* Invalid memory area or pointer */
+	SCP_E_PWRSTATE,	/* Invalid power state */
+	SCP_E_SUPPORT,	/* Feature not supported or disabled */
+};
+
+typedef uint32_t scpi_status_t;
+
+typedef enum {
+	SCPI_CMD_SCP_READY = 0x01,
+	SCPI_CMD_SET_CSS_POWER_STATE = 0x04,
+	SCPI_CMD_SYS_POWER_STATE = 0x08
+} scpi_command_t;
+
+typedef enum {
+	scpi_power_on = 0,
+	scpi_power_retention = 1,
+	scpi_power_off = 3,
+} scpi_power_state_t;
+
+typedef enum {
+	scpi_system_shutdown = 0,
+	scpi_system_reboot = 1,
+	scpi_system_reset = 2
+} scpi_system_state_t;
+
+extern int scpi_wait_ready(void);
+extern void scpi_set_css_power_state(unsigned mpidr,
+					scpi_power_state_t cpu_state,
+					scpi_power_state_t cluster_state,
+					scpi_power_state_t css_state);
+uint32_t scpi_sys_power_state(scpi_system_state_t system_state);
+
+
+#endif	/* __CSS_SCPI_H__ */
diff --git a/plat/arm/soc/common/soc_css.mk b/plat/arm/soc/common/soc_css.mk
new file mode 100644
index 0000000..fd51b7f
--- /dev/null
+++ b/plat/arm/soc/common/soc_css.mk
@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# Neither the name of ARM nor the names of its contributors may be used
+# to endorse or promote products derived from this software without specific
+# prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+PLAT_INCLUDES		+=	-Iinclude/plat/arm/soc/common/
+
+#PLAT_BL_COMMON_SOURCES	+=
+
+
+#BL1_SOURCES		+=
+
+BL2_SOURCES		+=	plat/arm/soc/common/soc_css_security.c
+
+#BL31_SOURCES		+=
diff --git a/plat/arm/soc/common/soc_css_security.c b/plat/arm/soc/common/soc_css_security.c
new file mode 100644
index 0000000..36f59ea
--- /dev/null
+++ b/plat/arm/soc/common/soc_css_security.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <board_css_def.h>
+#include <mmio.h>
+#include <platform_def.h>
+#include <soc_css_def.h>
+
+/*
+ * Address of slave 'n' security setting in the NIC-400 address region
+ * control
+ * TODO: Ideally this macro should be moved in a "nic-400.h" header file but
+ * it would be the only thing in there so it's not worth it at the moment.
+ */
+#define NIC400_ADDR_CTRL_SECURITY_REG(n)	(0x8 + (n) * 4)
+
+void soc_css_init_nic400(void)
+{
+	/*
+	 * NIC-400 Access Control Initialization
+	 *
+	 * Define access privileges by setting each corresponding bit to:
+	 *   0 = Secure access only
+	 *   1 = Non-secure access allowed
+	 */
+
+	/*
+	 * Allow non-secure access to some SOC regions, excluding UART1, which
+	 * remains secure.
+	 * Note: This is the NIC-400 device on the SOC
+	 */
+	mmio_write_32(SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(SOC_CSS_NIC400_USB_EHCI), ~0);
+	mmio_write_32(SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(SOC_CSS_NIC400_TLX_MASTER), ~0);
+	mmio_write_32(SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(SOC_CSS_NIC400_USB_OHCI), ~0);
+	mmio_write_32(SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(SOC_CSS_NIC400_PL354_SMC), ~0);
+	mmio_write_32(SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(SOC_CSS_NIC400_APB4_BRIDGE), ~0);
+	mmio_write_32(SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(SOC_CSS_NIC400_BOOTSEC_BRIDGE),
+		~SOC_CSS_NIC400_BOOTSEC_BRIDGE_UART1);
+
+	/*
+	 * Allow non-secure access to some CSS regions.
+	 * Note: This is the NIC-400 device on the CSS
+	 */
+	mmio_write_32(PLAT_SOC_CSS_NIC400_BASE +
+		NIC400_ADDR_CTRL_SECURITY_REG(CSS_NIC400_SLAVE_BOOTSECURE),
+		~0);
+}
+
+
+#define PCIE_SECURE_REG		0x3000
+/* Mask uses REG and MEM access bits */
+#define PCIE_SEC_ACCESS_MASK	((1 << 0) | (1 << 1))
+
+void soc_css_init_pcie(void)
+{
+#if !PLAT_juno
+	/*
+	 * Do not initialize PCIe in emulator environment.
+	 * Platform ID register not supported on Juno
+	 */
+	if (BOARD_CSS_GET_PLAT_TYPE(BOARD_CSS_PLAT_ID_REG_ADDR) ==
+			BOARD_CSS_PLAT_TYPE_EMULATOR)
+		return;
+#endif /* PLAT_juno */
+
+	/*
+	 * PCIE Root Complex Security settings to enable non-secure
+	 * access to config registers.
+	 */
+	mmio_write_32(SOC_CSS_PCIE_CONTROL_BASE + PCIE_SECURE_REG,
+			PCIE_SEC_ACCESS_MASK);
+}