Merge "zynqmp: pm: Add CLK_SET_RATE_PARENT in gem clock node" into integration
diff --git a/docs/change-log-upcoming.rst b/docs/change-log-upcoming.rst
new file mode 100644
index 0000000..3d7d509
--- /dev/null
+++ b/docs/change-log-upcoming.rst
@@ -0,0 +1,145 @@
+Change Log for Upcoming Release
+===============================
+
+This document contains a summary of the new features, changes, fixes and known
+issues to be included in the upcoming release of Trusted Firmware-A. The contents
+of this file will be moved to the collective change-log.rst file at the time of
+release code freeze.
+
+
+Upcoming Release Version 2.3
+----------------------------
+
+**Trusted Firmware-A Contributors,
+Please log all relevant new features, changes, fixes, and known issues for the
+upcoming release.  For the CPU support, drivers, and tools sections please preface
+the log description with the relevant key word, example: "<CPU>: <CPU Support
+addition>".  Use the RST format convention already used in the Change Log.**
+
+New Features
+^^^^^^^^^^^^
+
+- Arm Architecture
+   - Example: "Add support for Branch Target Identification (BTI)"
+
+- Build System
+   - Example: "Add support for default stack-protector flag"
+
+- CPU Support
+   - Example: "cortex-a55: Workaround for erratum 1221012"
+
+- Drivers
+   - Example: "console: Allow the console to register multiple times"
+
+- Libraries
+   - Example: "Introduce BTI support in Library at ROM (romlib)"
+
+- New Platforms Support
+   - Example: "qemu/qemu_sbsa: New platform support added for QEMU SBSA platform"
+
+- Platforms
+   - Example: "arm/common: Introduce wrapper functions to setup secure watchdog"
+
+- PSCI
+   - Example: "Adding new optional PSCI hook ``pwr_domain_on_finish_late``"
+
+- Security
+   - Example: "UBSAN support and handlers"
+
+- Tools
+   - Example: "fiptool: Add support to build fiptool on Windows."
+
+
+Changed
+^^^^^^^
+
+- Arm Architecture
+   - Example: "Refactor ARMv8.3 Pointer Authentication support code"
+
+- BL-Specific
+   - Example: "BL2: Invalidate dcache build option for BL2 entry at EL3"
+
+- Boot Flow
+   - Example: "Add helper to parse BL31 parameters (both versions)"
+
+- Drivers
+   - Example: "gicv3: Prevent pending G1S interrupt from becoming G0 interrupt"
+
+- Platforms
+   - Example: "arm/common: Shorten the Firmware Update (FWU) process"
+
+- PSCI
+   - Example: "PSCI: Lookup list of parent nodes to lock only once"
+
+- Secure Partition Manager (SPM)
+   - Example: "Move shim layer to TTBR1_EL1"
+
+- Security
+   - Example: "Refactor SPSR initialisation code"
+
+- Tools
+   - Example: "cert_create: Remove RSA PKCS#1 v1.5 support"
+
+
+Resolved Issues
+^^^^^^^^^^^^^^^
+
+- Arm Architecture
+   - Example: "Fix restoration of PAuth context"
+
+- BL-Specific
+   - Example: "Fix BL31 crash reporting on AArch64 only platforms"
+
+- Build System
+   - Example: "Remove several warnings reported with W=2 and W=1"
+
+- Code Quality
+   - Example: "Unify type of "cpu_idx" across PSCI module"
+
+- CPU Support
+   - Example: "cortex-a12: Fix MIDR mask"
+
+- Drivers
+   - Example: "scmi: Fix wrong payload length"
+
+- Library Code
+   - Example: "libc: Fix memchr implementation"
+
+- Platforms
+   - Example: "rpi: rpi3: Fix compilation error when stack protector is enabled"
+
+- Security
+   - Example: "AArch32: Disable Secure Cycle Counter"
+
+Deprecations
+^^^^^^^^^^^^
+
+- Common Code
+   - Example: "Remove MULTI_CONSOLE_API flag and references to it"
+
+- Drivers
+   - Example: "console: Remove deprecated finish_console_register"
+
+- Secure Partition Manager (SPM):
+   - Example: "Prototype SPCI-based SPM (services/std_svc/spm) will be replaced
+     with alternative methods of secure partitioning support."
+
+Known Issues
+^^^^^^^^^^^^
+
+- Build System
+   - dtb: DTB creation not supported when building on a Windows host.
+
+     This step in the build process is skipped when running on a Windows host. A
+     known issue from the 1.6 release.
+
+- Platforms
+   - arm/juno: System suspend from Linux does not function as documented in the
+     user guide
+
+     Following the instructions provided in the user guide document does not
+     result in the platform entering system suspend state as expected. A message
+     relating to the hdlcd driver failing to suspend will be emitted on the
+     Linux terminal.
+
+   - mediatek/mt6795: This platform does not build in this release
diff --git a/docs/getting_started/initial-build.rst b/docs/getting_started/initial-build.rst
index 41cd4d1..893aba2 100644
--- a/docs/getting_started/initial-build.rst
+++ b/docs/getting_started/initial-build.rst
@@ -8,13 +8,13 @@
 
    .. code:: shell
 
-       export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-linux-gnu-
+       export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-none-elf-
 
    For AArch32:
 
    .. code:: shell
 
-       export CROSS_COMPILE=<path-to-aarch32-gcc>/bin/arm-eabi-
+       export CROSS_COMPILE=<path-to-aarch32-gcc>/bin/arm-none-eabi-
 
    It is possible to build TF-A using Clang or Arm Compiler 6. To do so
    ``CC`` needs to point to the clang or armclang binary, which will
@@ -32,7 +32,7 @@
 
    .. code:: shell
 
-       export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-linux-gnu-
+       export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-none-elf-
        make CC=<path-to-armclang>/bin/armclang PLAT=<platform> all
 
    Clang will be selected when the base name of the path assigned to ``CC``
@@ -43,7 +43,7 @@
 
    .. code:: shell
 
-       export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-linux-gnu-
+       export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-none-elf-
        make CC=<path-to-clang>/bin/clang PLAT=<platform> all
 
 -  Change to the root directory of the TF-A source tree and build.
diff --git a/docs/getting_started/porting-guide.rst b/docs/getting_started/porting-guide.rst
index 17fd546..bb14717 100644
--- a/docs/getting_started/porting-guide.rst
+++ b/docs/getting_started/porting-guide.rst
@@ -1999,7 +1999,7 @@
 
 ::
 
-    Argument : unsigned int, const psci_power_state_t *, int
+    Argument : unsigned int, const psci_power_state_t *, unsigned int
     Return   : u_register_t
 
 This is an optional interface that is is invoked after resuming from a low power
diff --git a/docs/getting_started/prerequisites.rst b/docs/getting_started/prerequisites.rst
index 27ad0ed..3e0c8ff 100644
--- a/docs/getting_started/prerequisites.rst
+++ b/docs/getting_started/prerequisites.rst
@@ -26,7 +26,7 @@
 |TF-A| can be built with any of the following *cross-compiler* toolchains that
 target the Armv7-A or Armv8-A architectures:
 
-- GCC >= 8.3-2019.03 (from the `Arm Developer website`_)
+- GCC >= 9.2-2019.12 (from the `Arm Developer website`_)
 - Clang >= 4.0
 - Arm Compiler >= 6.0
 
diff --git a/docs/plat/arm/fvp/index.rst b/docs/plat/arm/fvp/index.rst
index b6396b9..37010e1 100644
--- a/docs/plat/arm/fvp/index.rst
+++ b/docs/plat/arm/fvp/index.rst
@@ -223,7 +223,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu-  \
+    CROSS_COMPILE=aarch64-none-elf-  \
     make PLAT=fvp DEBUG=1             \
     RESET_TO_BL31=1                   \
     ARM_LINUX_KERNEL_AS_BL33=1        \
diff --git a/docs/plat/arm/juno/index.rst b/docs/plat/arm/juno/index.rst
index 6429ede..cf328fa 100644
--- a/docs/plat/arm/juno/index.rst
+++ b/docs/plat/arm/juno/index.rst
@@ -136,7 +136,7 @@
 
       .. code:: shell
 
-          export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-linux-gnu-
+          export CROSS_COMPILE=<path-to-aarch64-gcc>/bin/aarch64-none-elf-
 
    -  The following parameters should be used to build BL1 and BL2 in AArch64
       and point to the BL32 file.
diff --git a/docs/plat/rpi4.rst b/docs/plat/rpi4.rst
index 0f529c1..beb0227 100644
--- a/docs/plat/rpi4.rst
+++ b/docs/plat/rpi4.rst
@@ -24,11 +24,10 @@
 
     CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi4 DEBUG=1
 
-Copy the generated build/rpi4/debug/bl31.bin to the SD card, either
-renaming it to ``armstub8.bin`` or adding an entry starting with ``armstub=``,
-then followed by the respective file name to ``config.txt``.
-You should have AArch64 code in the file loaded as the "kernel", as BL31
-will drop into AArch64/EL2 to the respective load address.
+Copy the generated build/rpi4/debug/bl31.bin to the SD card, adding an entry
+starting with ``armstub=``, then followed by the respective file name to
+``config.txt``. You should have AArch64 code in the file loaded as the
+"kernel", as BL31 will drop into AArch64/EL2 to the respective load address.
 arm64 Linux kernels are known to work this way.
 
 Other options that should be set in ``config.txt`` to properly boot 64-bit
diff --git a/drivers/arm/css/scp/css_pm_scmi.c b/drivers/arm/css/scp/css_pm_scmi.c
index 8dbefa1..b945cda 100644
--- a/drivers/arm/css/scp/css_pm_scmi.c
+++ b/drivers/arm/css/scp/css_pm_scmi.c
@@ -186,7 +186,7 @@
 void css_scp_on(u_register_t mpidr)
 {
 	unsigned int lvl = 0;
-	int ret, core_pos;
+	int core_pos, ret;
 	uint32_t scmi_pwr_state = 0;
 
 	for (; lvl <= PLAT_MAX_PWR_LVL; lvl++)
@@ -196,7 +196,8 @@
 	SCMI_SET_PWR_STATE_MAX_PWR_LVL(scmi_pwr_state, lvl - 1);
 
 	core_pos = plat_core_pos_by_mpidr(mpidr);
-	assert(core_pos >= 0 && core_pos < PLATFORM_CORE_COUNT);
+	assert((core_pos >= 0) &&
+		(((unsigned int)core_pos) < PLATFORM_CORE_COUNT));
 
 	ret = scmi_pwr_state_set(scmi_handle,
 		plat_css_core_pos_to_scmi_dmn_id_map[core_pos],
diff --git a/drivers/auth/auth_mod.c b/drivers/auth/auth_mod.c
index a6538c4..3fb2d1a 100644
--- a/drivers/auth/auth_mod.c
+++ b/drivers/auth/auth_mod.c
@@ -30,9 +30,6 @@
 
 #pragma weak plat_set_nv_ctr2
 
-/* Pointer to CoT */
-extern const auth_img_desc_t *const *const cot_desc_ptr;
-extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
 
 static int cmp_auth_param_type_desc(const auth_param_type_desc_t *a,
 		const auth_param_type_desc_t *b)
diff --git a/drivers/staging/renesas/rcar/ddr/boot_init_dram.h b/drivers/renesas/rcar/ddr/boot_init_dram.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/boot_init_dram.h
rename to drivers/renesas/rcar/ddr/boot_init_dram.h
diff --git a/drivers/renesas/rcar/ddr/ddr.mk b/drivers/renesas/rcar/ddr/ddr.mk
new file mode 100644
index 0000000..c26993d
--- /dev/null
+++ b/drivers/renesas/rcar/ddr/ddr.mk
@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${RCAR_LSI},${RCAR_E3})
+    include drivers/renesas/rcar/ddr/ddr_a/ddr_a.mk
+    BL2_SOURCES += drivers/renesas/rcar/ddr/dram_sub_func.c
+else ifeq (${RCAR_LSI},${RCAR_D3})
+    include drivers/renesas/rcar/ddr/ddr_a/ddr_a.mk
+else ifeq (${RCAR_LSI},${RCAR_V3M})
+    include drivers/renesas/rcar/ddr/ddr_a/ddr_a.mk
+else
+    include drivers/renesas/rcar/ddr/ddr_b/ddr_b.mk
+    BL2_SOURCES += drivers/renesas/rcar/ddr/dram_sub_func.c
+endif
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef.h b/drivers/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef.h
rename to drivers/renesas/rcar/ddr/ddr_a/boot_init_dram_regdef.h
diff --git a/drivers/renesas/rcar/ddr/ddr_a/ddr_a.mk b/drivers/renesas/rcar/ddr/ddr_a/ddr_a.mk
new file mode 100644
index 0000000..7882558
--- /dev/null
+++ b/drivers/renesas/rcar/ddr/ddr_a/ddr_a.mk
@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${RCAR_LSI},${RCAR_E3})
+BL2_SOURCES += drivers/renesas/rcar/ddr/ddr_a/ddr_init_e3.c
+else ifeq (${RCAR_LSI},${RCAR_D3})
+BL2_SOURCES += drivers/renesas/rcar/ddr/ddr_a/ddr_init_d3.c
+else
+BL2_SOURCES += drivers/renesas/rcar/ddr/ddr_a/ddr_init_v3m.c
+endif
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_d3.c b/drivers/renesas/rcar/ddr/ddr_a/ddr_init_d3.c
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_d3.c
rename to drivers/renesas/rcar/ddr/ddr_a/ddr_init_d3.c
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.c b/drivers/renesas/rcar/ddr/ddr_a/ddr_init_e3.c
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.c
rename to drivers/renesas/rcar/ddr/ddr_a/ddr_init_e3.c
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_v3m.c b/drivers/renesas/rcar/ddr/ddr_a/ddr_init_v3m.c
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_v3m.c
rename to drivers/renesas/rcar/ddr/ddr_a/ddr_init_v3m.c
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c b/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c
rename to drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c b/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c
rename to drivers/renesas/rcar/ddr/ddr_b/boot_init_dram_config.c
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_regdef.h b/drivers/renesas/rcar/ddr/ddr_b/boot_init_dram_regdef.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram_regdef.h
rename to drivers/renesas/rcar/ddr/ddr_b/boot_init_dram_regdef.h
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_b.mk b/drivers/renesas/rcar/ddr/ddr_b/ddr_b.mk
similarity index 64%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/ddr_b.mk
rename to drivers/renesas/rcar/ddr/ddr_b/ddr_b.mk
index 875f953..2bcc292 100644
--- a/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_b.mk
+++ b/drivers/renesas/rcar/ddr/ddr_b/ddr_b.mk
@@ -4,4 +4,4 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-BL2_SOURCES += drivers/staging/renesas/rcar/ddr/ddr_b/boot_init_dram.c
+BL2_SOURCES += drivers/renesas/rcar/ddr/ddr_b/boot_init_dram.c
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/ddr_regdef.h b/drivers/renesas/rcar/ddr/ddr_b/ddr_regdef.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/ddr_regdef.h
rename to drivers/renesas/rcar/ddr/ddr_b/ddr_regdef.h
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3.h b/drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3.h
rename to drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3.h
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3ver2.h b/drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3ver2.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3ver2.h
rename to drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_h3ver2.h
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3.h b/drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3.h
rename to drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3.h
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3n.h b/drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3n.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3n.h
rename to drivers/renesas/rcar/ddr/ddr_b/init_dram_tbl_m3n.h
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_regs.h b/drivers/renesas/rcar/ddr/ddr_regs.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/ddr_regs.h
rename to drivers/renesas/rcar/ddr/ddr_regs.h
diff --git a/drivers/staging/renesas/rcar/ddr/dram_sub_func.c b/drivers/renesas/rcar/ddr/dram_sub_func.c
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/dram_sub_func.c
rename to drivers/renesas/rcar/ddr/dram_sub_func.c
diff --git a/drivers/staging/renesas/rcar/ddr/dram_sub_func.h b/drivers/renesas/rcar/ddr/dram_sub_func.h
similarity index 100%
rename from drivers/staging/renesas/rcar/ddr/dram_sub_func.h
rename to drivers/renesas/rcar/ddr/dram_sub_func.h
diff --git a/drivers/renesas/rcar/io/io_rcar.c b/drivers/renesas/rcar/io/io_rcar.c
index 650931b..b82c510 100644
--- a/drivers/renesas/rcar/io/io_rcar.c
+++ b/drivers/renesas/rcar/io/io_rcar.c
@@ -28,9 +28,6 @@
 extern int32_t plat_get_drv_source(uint32_t id, uintptr_t *dev,
 				   uintptr_t *image_spec);
 
-extern int auth_mod_verify_img(unsigned int img_id, void *ptr,
-				unsigned int len);
-
 static int32_t rcar_dev_open(const uintptr_t dev_spec __attribute__ ((unused)),
 			     io_dev_info_t **dev_info);
 static int32_t rcar_dev_close(io_dev_info_t *dev_info);
diff --git a/drivers/staging/renesas/rcar/ddr/ddr.mk b/drivers/staging/renesas/rcar/ddr/ddr.mk
deleted file mode 100644
index ed7adc3..0000000
--- a/drivers/staging/renesas/rcar/ddr/ddr.mk
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-3-Clause
-#
-
-ifeq (${RCAR_LSI},${RCAR_E3})
-    include drivers/staging/renesas/rcar/ddr/ddr_a/ddr_a.mk
-    BL2_SOURCES += drivers/staging/renesas/rcar/ddr/dram_sub_func.c
-else ifeq (${RCAR_LSI},${RCAR_D3})
-    include drivers/staging/renesas/rcar/ddr/ddr_a/ddr_a.mk
-else ifeq (${RCAR_LSI},${RCAR_V3M})
-    include drivers/staging/renesas/rcar/ddr/ddr_a/ddr_a.mk
-else
-    include drivers/staging/renesas/rcar/ddr/ddr_b/ddr_b.mk
-    BL2_SOURCES += drivers/staging/renesas/rcar/ddr/dram_sub_func.c
-endif
diff --git a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_a.mk b/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_a.mk
deleted file mode 100644
index aee27a5..0000000
--- a/drivers/staging/renesas/rcar/ddr/ddr_a/ddr_a.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-3-Clause
-#
-
-ifeq (${RCAR_LSI},${RCAR_E3})
-BL2_SOURCES += drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_e3.c
-else ifeq (${RCAR_LSI},${RCAR_D3})
-BL2_SOURCES += drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_d3.c
-else
-BL2_SOURCES += drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_v3m.c
-endif
diff --git a/drivers/ti/uart/aarch32/16550_console.S b/drivers/ti/uart/aarch32/16550_console.S
index 6921884..5cd9b30 100644
--- a/drivers/ti/uart/aarch32/16550_console.S
+++ b/drivers/ti/uart/aarch32/16550_console.S
@@ -89,16 +89,19 @@
 	.globl console_16550_register
 
 	/* -------------------------------------------------------
-	 * int console_stm32_register(uintptr_t baseaddr,
+	 * int console_16550_register(uintptr_t baseaddr,
 	 *     uint32_t clock, uint32_t baud,
-	 *     struct console_stm32 *console);
-	 * Function to initialize and register a new STM32
+	 *     console_16550_t *console);
+	 * Function to initialize and register a new 16550
 	 * console. Storage passed in for the console struct
 	 * *must* be persistent (i.e. not from the stack).
+	 * If r1 (UART clock) is 0, initialisation will be
+         * skipped, relying on previous code to have done
+         * this already. r2 is ignored then as well.
 	 * In: r0 - UART register base address
 	 *     r1 - UART clock in Hz
-	 *     r2 - Baud rate
-	 *     r3 - pointer to empty console_stm32 struct
+	 *     r2 - Baud rate (ignored if r1 is 0)
+	 *     r3 - pointer to empty console_16550_t struct
 	 * Out: return 1 on success, 0 on error
 	 * Clobber list : r0, r1, r2
 	 * -------------------------------------------------------
@@ -110,10 +113,15 @@
 	beq	register_fail
 	str	r0, [r4, #CONSOLE_T_16550_BASE]
 
+	/* A clock rate of zero means to skip the initialisation. */
+	cmp	r1, #0
+	beq	register_16550
+
 	bl	console_16550_core_init
 	cmp	r0, #0
 	beq	register_fail
 
+register_16550:
 	mov	r0, r4
 	pop	{r4, lr}
 	finish_console_register 16550 putc=1, getc=1, flush=1
diff --git a/drivers/ti/uart/aarch64/16550_console.S b/drivers/ti/uart/aarch64/16550_console.S
index dab46e8..80c1b86 100644
--- a/drivers/ti/uart/aarch64/16550_console.S
+++ b/drivers/ti/uart/aarch64/16550_console.S
@@ -92,9 +92,12 @@
 	 * Function to initialize and register a new 16550
 	 * console. Storage passed in for the console struct
 	 * *must* be persistent (i.e. not from the stack).
+	 * If w1 (UART clock) is 0, initialisation will be
+	 * skipped, relying on previous code to have done
+	 * this already. w2 is ignored then as well.
 	 * In: x0 - UART register base address
 	 *     w1 - UART clock in Hz
-	 *     w2 - Baud rate
+	 *     w2 - Baud rate (ignored if w1 is 0)
 	 *     x3 - pointer to empty console_16550_t struct
 	 * Out: return 1 on success, 0 on error
 	 * Clobber list : x0, x1, x2, x6, x7, x14
@@ -106,9 +109,13 @@
 	cbz	x6, register_fail
 	str	x0, [x6, #CONSOLE_T_16550_BASE]
 
+	/* A clock rate of zero means to skip the initialisation. */
+	cbz	w1, register_16550
+
 	bl	console_16550_core_init
 	cbz	x0, register_fail
 
+register_16550:
 	mov	x0, x6
 	mov	x30, x7
 	finish_console_register 16550 putc=1, getc=1, flush=1
diff --git a/fdts/a5ds.dts b/fdts/a5ds.dts
index fc8783d..31d635a 100644
--- a/fdts/a5ds.dts
+++ b/fdts/a5ds.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -64,13 +64,20 @@
 		arm,tag-latency = <1 1 1>;
 	};
 
-	refclk100mhz: refclk100mhz {
+	refclk7500khz: refclk7500khz {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
-		clock-frequency = <100000000>;
+		clock-frequency = <7500000>;
 		clock-output-names = "apb_pclk";
 	};
 
+	refclk24mhz: refclk24mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		clock-output-names = "apb_pclk";
+	};
+
 	smbclk: refclk24mhzx2 {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
@@ -82,7 +89,7 @@
 	rtc@1a220000 {
 		compatible = "arm,pl031", "arm,primecell";
 		reg = <0x1a220000 0x1000>;
-		clocks = <&refclk100mhz>;
+		clocks = <&refclk24mhz>;
 		interrupts = <0 6 0xf04>;
 		clock-names = "apb_pclk";
 	};
@@ -102,7 +109,7 @@
 		reg = <0x1a200000 0x1000>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 8 0xf04>;
-		clocks = <&refclk100mhz>;
+		clocks = <&refclk7500khz>;
 		clock-names = "apb_pclk";
 	};
 
@@ -111,7 +118,7 @@
 		reg = <0x1a210000 0x1000>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 9 0xf04>;
-		clocks = <&refclk100mhz>;
+		clocks = <&refclk7500khz>;
 		clock-names = "apb_pclk";
 	};
 
diff --git a/include/drivers/ti/uart/uart_16550.h b/include/drivers/ti/uart/uart_16550.h
index 32e38f0..2b95fa3 100644
--- a/include/drivers/ti/uart/uart_16550.h
+++ b/include/drivers/ti/uart/uart_16550.h
@@ -87,6 +87,11 @@
  * framework. The |console| pointer must point to storage that will be valid
  * for the lifetime of the console, such as a global or static local variable.
  * Its contents will be reinitialized from scratch.
+ * When |clock| has a value of 0, the UART will *not* be initialised. This
+ * means the UART should already be enabled and the baudrate and clock setup
+ * should have been done already, either by platform specific code or by
+ * previous firmware stages. The |baud| parameter will be ignored in this
+ * case as well.
  */
 int console_16550_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
 			   console_16550_t *console);
diff --git a/include/export/lib/utils_def_exp.h b/include/export/lib/utils_def_exp.h
index 86c409c..d4a4a85 100644
--- a/include/export/lib/utils_def_exp.h
+++ b/include/export/lib/utils_def_exp.h
@@ -25,11 +25,13 @@
 # define   L(_x)	(_x)
 # define  LL(_x)	(_x)
 #else
-# define   U(_x)	(_x##U)
+# define  U_(_x)	(_x##U)
+# define   U(_x)	U_(_x)
 # define  UL(_x)	(_x##UL)
 # define ULL(_x)	(_x##ULL)
 # define   L(_x)	(_x##L)
 # define  LL(_x)	(_x##LL)
+
 #endif
 
 #endif /* ARM_TRUSTED_FIRMWARE_EXPORT_LIB_UTILS_DEF_EXP_H */
diff --git a/include/lib/pmf/pmf.h b/include/lib/pmf/pmf.h
index df7c9ff..3fc8e38 100644
--- a/include/lib/pmf/pmf.h
+++ b/include/lib/pmf/pmf.h
@@ -54,108 +54,6 @@
 #define PMF_PSCI_STAT_SVC_ID	0
 #define PMF_RT_INSTR_SVC_ID	1
 
-#if ENABLE_PMF
-/*
- * Convenience macros for capturing time-stamp.
- */
-#define PMF_DECLARE_CAPTURE_TIMESTAMP(_name)			\
-	void pmf_capture_timestamp_with_cache_maint_ ## _name(	\
-				unsigned int tid,		\
-				unsigned long long ts);		\
-	void pmf_capture_timestamp_ ## _name(			\
-				unsigned int tid,		\
-				unsigned long long ts);
-
-#define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags)			\
-	do {								\
-		unsigned long long ts = read_cntpct_el0();		\
-		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
-			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), ts);\
-		else							\
-			pmf_capture_timestamp_ ## _name((_tid), ts);	\
-	} while (0)
-
-#define PMF_CAPTURE_AND_GET_TIMESTAMP(_name, _tid, _flags, _tsval)	\
-	do {								\
-		(_tsval) = read_cntpct_el0();				\
-		CASSERT(sizeof(_tsval) == sizeof(unsigned long long), invalid_tsval_size);\
-		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
-			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_tsval));\
-		else							\
-			pmf_capture_timestamp_ ## _name((_tid), (_tsval));\
-	} while (0)
-
-#define PMF_WRITE_TIMESTAMP(_name, _tid, _flags, _wrval)		\
-	do {								\
-		CASSERT(sizeof(_wrval) == sizeof(unsigned long long), invalid_wrval_size);\
-		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
-			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_wrval));\
-		else							\
-			pmf_capture_timestamp_ ## _name((_tid), (_wrval));\
-	} while (0)
-
-/*
- * Convenience macros for retrieving time-stamp.
- */
-#define PMF_DECLARE_GET_TIMESTAMP(_name)			\
-	unsigned long long pmf_get_timestamp_by_index_ ## _name(\
-		unsigned int tid,				\
-		unsigned int cpuid,				\
-		unsigned int flags);				\
-	unsigned long long pmf_get_timestamp_by_mpidr_ ## _name(\
-		unsigned int tid,				\
-		u_register_t mpidr,				\
-		unsigned int flags);
-
-#define PMF_GET_TIMESTAMP_BY_MPIDR(_name, _tid, _mpidr, _flags, _tsval)\
-	_tsval = pmf_get_timestamp_by_mpidr_ ## _name(_tid, _mpidr, _flags)
-
-#define PMF_GET_TIMESTAMP_BY_INDEX(_name, _tid, _cpuid, _flags, _tsval)\
-	_tsval = pmf_get_timestamp_by_index_ ## _name(_tid, _cpuid, _flags)
-
-/* Convenience macros to register a PMF service.*/
-/*
- * This macro is used to register a PMF Service. It allocates PMF memory
- * and defines default service-specific PMF functions.
- */
-#define PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)	\
-	PMF_ALLOCATE_TIMESTAMP_MEMORY(_name, _totalid)		\
-	PMF_DEFINE_CAPTURE_TIMESTAMP(_name, _flags)		\
-	PMF_DEFINE_GET_TIMESTAMP(_name)
-
-/*
- * This macro is used to register a PMF service, including an
- * SMC interface to that service.
- */
-#define PMF_REGISTER_SERVICE_SMC(_name, _svcid, _totalid, _flags)\
-	PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)	\
-	PMF_DEFINE_SERVICE_DESC(_name, PMF_ARM_TIF_IMPL_ID,	\
-			_svcid, _totalid, NULL,			\
-			pmf_get_timestamp_by_mpidr_ ## _name)
-
-/*
- * This macro is used to register a PMF service that has an SMC interface
- * but provides its own service-specific PMF functions.
- */
-#define PMF_REGISTER_SERVICE_SMC_OWN(_name, _implid, _svcid, _totalid,	\
-		 _init, _getts)						\
-	PMF_DEFINE_SERVICE_DESC(_name, _implid, _svcid, _totalid,	\
-		 _init, _getts)
-
-#else
-
-#define PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)
-#define PMF_REGISTER_SERVICE_SMC(_name, _svcid, _totalid, _flags)
-#define PMF_REGISTER_SERVICE_SMC_OWN(_name, _implid, _svcid, _totalid,	\
-				_init, _getts)
-#define PMF_DECLARE_CAPTURE_TIMESTAMP(_name)
-#define PMF_DECLARE_GET_TIMESTAMP(_name)
-#define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags)
-#define PMF_GET_TIMESTAMP_BY_MPIDR(_name, _tid, _mpidr, _flags, _tsval)
-#define PMF_GET_TIMESTAMP_BY_INDEX(_name, _tid, _cpuid, _flags, _tsval)
-
-#endif /* ENABLE_PMF */
-
 /*******************************************************************************
  * Function & variable prototypes
  ******************************************************************************/
diff --git a/include/lib/pmf/pmf_helpers.h b/include/lib/pmf/pmf_helpers.h
index e6798a7..db38e55 100644
--- a/include/lib/pmf/pmf_helpers.h
+++ b/include/lib/pmf/pmf_helpers.h
@@ -43,6 +43,108 @@
 	pmf_svc_get_ts_t get_ts;
 } pmf_svc_desc_t;
 
+#if ENABLE_PMF
+/*
+ * Convenience macros for capturing time-stamp.
+ */
+#define PMF_DECLARE_CAPTURE_TIMESTAMP(_name)			\
+	void pmf_capture_timestamp_with_cache_maint_ ## _name(	\
+				unsigned int tid,		\
+				unsigned long long ts);		\
+	void pmf_capture_timestamp_ ## _name(			\
+				unsigned int tid,		\
+				unsigned long long ts);
+
+#define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags)			\
+	do {								\
+		unsigned long long ts = read_cntpct_el0();		\
+		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
+			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), ts);\
+		else							\
+			pmf_capture_timestamp_ ## _name((_tid), ts);	\
+	} while (0)
+
+#define PMF_CAPTURE_AND_GET_TIMESTAMP(_name, _tid, _flags, _tsval)	\
+	do {								\
+		(_tsval) = read_cntpct_el0();				\
+		CASSERT(sizeof(_tsval) == sizeof(unsigned long long), invalid_tsval_size);\
+		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
+			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_tsval));\
+		else							\
+			pmf_capture_timestamp_ ## _name((_tid), (_tsval));\
+	} while (0)
+
+#define PMF_WRITE_TIMESTAMP(_name, _tid, _flags, _wrval)		\
+	do {								\
+		CASSERT(sizeof(_wrval) == sizeof(unsigned long long), invalid_wrval_size);\
+		if (((_flags) & PMF_CACHE_MAINT) != 0U)			\
+			pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_wrval));\
+		else							\
+			pmf_capture_timestamp_ ## _name((_tid), (_wrval));\
+	} while (0)
+
+/*
+ * Convenience macros for retrieving time-stamp.
+ */
+#define PMF_DECLARE_GET_TIMESTAMP(_name)			\
+	unsigned long long pmf_get_timestamp_by_index_ ## _name(\
+		unsigned int tid,				\
+		unsigned int cpuid,				\
+		unsigned int flags);				\
+	unsigned long long pmf_get_timestamp_by_mpidr_ ## _name(\
+		unsigned int tid,				\
+		u_register_t mpidr,				\
+		unsigned int flags);
+
+#define PMF_GET_TIMESTAMP_BY_MPIDR(_name, _tid, _mpidr, _flags, _tsval)\
+	_tsval = pmf_get_timestamp_by_mpidr_ ## _name(_tid, _mpidr, _flags)
+
+#define PMF_GET_TIMESTAMP_BY_INDEX(_name, _tid, _cpuid, _flags, _tsval)\
+	_tsval = pmf_get_timestamp_by_index_ ## _name(_tid, _cpuid, _flags)
+
+/* Convenience macros to register a PMF service.*/
+/*
+ * This macro is used to register a PMF Service. It allocates PMF memory
+ * and defines default service-specific PMF functions.
+ */
+#define PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)	\
+	PMF_ALLOCATE_TIMESTAMP_MEMORY(_name, _totalid)		\
+	PMF_DEFINE_CAPTURE_TIMESTAMP(_name, _flags)		\
+	PMF_DEFINE_GET_TIMESTAMP(_name)
+
+/*
+ * This macro is used to register a PMF service, including an
+ * SMC interface to that service.
+ */
+#define PMF_REGISTER_SERVICE_SMC(_name, _svcid, _totalid, _flags)\
+	PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)	\
+	PMF_DEFINE_SERVICE_DESC(_name, PMF_ARM_TIF_IMPL_ID,	\
+			_svcid, _totalid, NULL,			\
+			pmf_get_timestamp_by_mpidr_ ## _name)
+
+/*
+ * This macro is used to register a PMF service that has an SMC interface
+ * but provides its own service-specific PMF functions.
+ */
+#define PMF_REGISTER_SERVICE_SMC_OWN(_name, _implid, _svcid, _totalid,	\
+		 _init, _getts)						\
+	PMF_DEFINE_SERVICE_DESC(_name, _implid, _svcid, _totalid,	\
+		 _init, _getts)
+
+#else
+
+#define PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)
+#define PMF_REGISTER_SERVICE_SMC(_name, _svcid, _totalid, _flags)
+#define PMF_REGISTER_SERVICE_SMC_OWN(_name, _implid, _svcid, _totalid,	\
+				_init, _getts)
+#define PMF_DECLARE_CAPTURE_TIMESTAMP(_name)
+#define PMF_DECLARE_GET_TIMESTAMP(_name)
+#define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags)
+#define PMF_GET_TIMESTAMP_BY_MPIDR(_name, _tid, _mpidr, _flags, _tsval)
+#define PMF_GET_TIMESTAMP_BY_INDEX(_name, _tid, _cpuid, _flags, _tsval)
+
+#endif /* ENABLE_PMF */
+
 /*
  * Convenience macro to allocate memory for a PMF service.
  *
@@ -69,9 +171,6 @@
 #define PMF_DEFINE_CAPTURE_TIMESTAMP(_name, _flags)			\
 	void pmf_capture_timestamp_ ## _name(				\
 			unsigned int tid,				\
-			unsigned long long ts);				\
-	void pmf_capture_timestamp_ ## _name(				\
-			unsigned int tid,				\
 			unsigned long long ts)				\
 	{								\
 		CASSERT(_flags, select_proper_config);			\
@@ -84,9 +183,6 @@
 	}								\
 	void pmf_capture_timestamp_with_cache_maint_ ## _name(		\
 			unsigned int tid,				\
-			unsigned long long ts);				\
-	void pmf_capture_timestamp_with_cache_maint_ ## _name(		\
-			unsigned int tid,				\
 			unsigned long long ts)				\
 	{								\
 		CASSERT(_flags, select_proper_config);			\
@@ -105,8 +201,6 @@
  */
 #define PMF_DEFINE_GET_TIMESTAMP(_name)					\
 	unsigned long long pmf_get_timestamp_by_index_ ## _name(	\
-		unsigned int tid, unsigned int cpuid, unsigned int flags);\
-	unsigned long long pmf_get_timestamp_by_index_ ## _name(	\
 		unsigned int tid, unsigned int cpuid, unsigned int flags)\
 	{								\
 		PMF_VALIDATE_TID(_name, tid);				\
@@ -114,8 +208,6 @@
 		return __pmf_get_timestamp(base_addr, tid, cpuid, flags);\
 	}								\
 	unsigned long long pmf_get_timestamp_by_mpidr_ ## _name(	\
-		unsigned int tid, u_register_t mpidr, unsigned int flags);\
-	unsigned long long pmf_get_timestamp_by_mpidr_ ## _name(	\
 		unsigned int tid, u_register_t mpidr, unsigned int flags)\
 	{								\
 		PMF_VALIDATE_TID(_name, tid);				\
diff --git a/include/lib/psci/psci.h b/include/lib/psci/psci.h
index 7f7b7e3..b56e98b 100644
--- a/include/lib/psci/psci.h
+++ b/include/lib/psci/psci.h
@@ -20,7 +20,7 @@
 #ifdef PLAT_NUM_PWR_DOMAINS
 #define PSCI_NUM_PWR_DOMAINS	PLAT_NUM_PWR_DOMAINS
 #else
-#define PSCI_NUM_PWR_DOMAINS	(2 * PLATFORM_CORE_COUNT)
+#define PSCI_NUM_PWR_DOMAINS	(U(2) * PLATFORM_CORE_COUNT)
 #endif
 
 #define PSCI_NUM_NON_CPU_PWR_DOMAINS	(PSCI_NUM_PWR_DOMAINS - \
diff --git a/include/lib/smccc.h b/include/lib/smccc.h
index dd3c578..5e13e6f 100644
--- a/include/lib/smccc.h
+++ b/include/lib/smccc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -41,6 +41,8 @@
 #define FUNCID_NUM_MASK			U(0xffff)
 #define FUNCID_NUM_WIDTH		U(16)
 
+#define GET_SMC_NUM(id)			(((id) >> FUNCID_NUM_SHIFT) & \
+					 FUNCID_NUM_MASK)
 #define GET_SMC_TYPE(id)		(((id) >> FUNCID_TYPE_SHIFT) & \
 					 FUNCID_TYPE_MASK)
 #define GET_SMC_CC(id)			(((id) >> FUNCID_CC_SHIFT) & \
diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index 72e2e8e..b419c85 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -21,7 +21,7 @@
 /* Special value used to verify platform parameters from BL2 to BL31 */
 #define ARM_BL31_PLAT_PARAM_VAL		ULL(0x0f1e2d3c4b5a6978)
 
-#define ARM_SYSTEM_COUNT		1
+#define ARM_SYSTEM_COUNT		U(1)
 
 #define ARM_CACHE_WRITEBACK_SHIFT	6
 
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 9efb2fd..332cfca 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -237,7 +237,7 @@
 void plat_psci_stat_accounting_stop(const psci_power_state_t *state_info);
 u_register_t plat_psci_stat_get_residency(unsigned int lvl,
 			const psci_power_state_t *state_info,
-			int last_cpu_idx);
+			unsigned int last_cpu_idx);
 plat_local_state_t plat_get_target_pwr_state(unsigned int lvl,
 			const plat_local_state_t *states,
 			unsigned int ncpu);
diff --git a/include/plat/marvell/a8k/common/armada_common.h b/include/plat/marvell/a8k/common/armada_common.h
index dd2a24a..709d009 100644
--- a/include/plat/marvell/a8k/common/armada_common.h
+++ b/include/plat/marvell/a8k/common/armada_common.h
@@ -124,5 +124,6 @@
 			       uint32_t *size, uintptr_t base);
 int marvell_get_ccu_memory_map(int ap_idx, struct addr_map_win **win,
 			       uint32_t *size);
+int system_power_off(void);
 
 #endif /* ARMADA_COMMON_H */
diff --git a/lib/psci/psci_main.c b/lib/psci/psci_main.c
index 5c0e952..52a8b8a 100644
--- a/lib/psci/psci_main.c
+++ b/lib/psci/psci_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -219,16 +219,19 @@
 int psci_affinity_info(u_register_t target_affinity,
 		       unsigned int lowest_affinity_level)
 {
-	int target_idx;
+	int ret;
+	unsigned int target_idx;
 
 	/* We dont support level higher than PSCI_CPU_PWR_LVL */
 	if (lowest_affinity_level > PSCI_CPU_PWR_LVL)
 		return PSCI_E_INVALID_PARAMS;
 
 	/* Calculate the cpu index of the target */
-	target_idx = plat_core_pos_by_mpidr(target_affinity);
-	if (target_idx == -1)
+	ret = plat_core_pos_by_mpidr(target_affinity);
+	if (ret == -1) {
 		return PSCI_E_INVALID_PARAMS;
+	}
+	target_idx = (unsigned int)ret;
 
 	/*
 	 * Generic management:
@@ -245,7 +248,7 @@
 	 * target CPUs shutdown was not seen by the current CPU's cluster. And
 	 * so the cache may contain stale data for the target CPU.
 	 */
-	flush_cpu_data_by_index((unsigned int)target_idx,
+	flush_cpu_data_by_index(target_idx,
 				psci_svc_cpu_data.aff_info_state);
 
 	return psci_get_aff_info_state_by_idx(target_idx);
diff --git a/lib/psci/psci_off.c b/lib/psci/psci_off.c
index e8cd8fe..5447045 100644
--- a/lib/psci/psci_off.c
+++ b/lib/psci/psci_off.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -43,7 +43,7 @@
 int psci_do_cpu_off(unsigned int end_pwrlvl)
 {
 	int rc = PSCI_E_SUCCESS;
-	int idx = (int) plat_my_core_pos();
+	unsigned int idx = plat_my_core_pos();
 	psci_power_state_t state_info;
 	unsigned int parent_nodes[PLAT_MAX_PWR_LVL] = {0};
 
diff --git a/lib/psci/psci_on.c b/lib/psci/psci_on.c
index 470b4f3..dd48e10 100644
--- a/lib/psci/psci_on.c
+++ b/lib/psci/psci_on.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -20,12 +20,12 @@
 /*
  * Helper functions for the CPU level spinlocks
  */
-static inline void psci_spin_lock_cpu(int idx)
+static inline void psci_spin_lock_cpu(unsigned int idx)
 {
 	spin_lock(&psci_cpu_pd_nodes[idx].cpu_lock);
 }
 
-static inline void psci_spin_unlock_cpu(int idx)
+static inline void psci_spin_unlock_cpu(unsigned int idx)
 {
 	spin_unlock(&psci_cpu_pd_nodes[idx].cpu_lock);
 }
@@ -61,12 +61,14 @@
 {
 	int rc;
 	aff_info_state_t target_aff_state;
-	int target_idx = plat_core_pos_by_mpidr(target_cpu);
+	int ret = plat_core_pos_by_mpidr(target_cpu);
+	unsigned int target_idx = (unsigned int)ret;
 
 	/* Calling function must supply valid input arguments */
-	assert(target_idx >= 0);
+	assert(ret >= 0);
 	assert(ep != NULL);
 
+
 	/*
 	 * This function must only be called on platforms where the
 	 * CPU_ON platform hooks have been implemented.
@@ -93,7 +95,7 @@
 	 * target CPUs shutdown was not seen by the current CPU's cluster. And
 	 * so the cache may contain stale data for the target CPU.
 	 */
-	flush_cpu_data_by_index((unsigned int)target_idx,
+	flush_cpu_data_by_index(target_idx,
 				psci_svc_cpu_data.aff_info_state);
 	rc = cpu_on_validate_state(psci_get_aff_info_state_by_idx(target_idx));
 	if (rc != PSCI_E_SUCCESS)
@@ -113,7 +115,7 @@
 	 * turned OFF.
 	 */
 	psci_set_aff_info_state_by_idx(target_idx, AFF_STATE_ON_PENDING);
-	flush_cpu_data_by_index((unsigned int)target_idx,
+	flush_cpu_data_by_index(target_idx,
 				psci_svc_cpu_data.aff_info_state);
 
 	/*
@@ -126,7 +128,7 @@
 	if (target_aff_state != AFF_STATE_ON_PENDING) {
 		assert(target_aff_state == AFF_STATE_OFF);
 		psci_set_aff_info_state_by_idx(target_idx, AFF_STATE_ON_PENDING);
-		flush_cpu_data_by_index((unsigned int)target_idx,
+		flush_cpu_data_by_index(target_idx,
 					psci_svc_cpu_data.aff_info_state);
 
 		assert(psci_get_aff_info_state_by_idx(target_idx) ==
@@ -146,11 +148,11 @@
 
 	if (rc == PSCI_E_SUCCESS)
 		/* Store the re-entry information for the non-secure world. */
-		cm_init_context_by_index((unsigned int)target_idx, ep);
+		cm_init_context_by_index(target_idx, ep);
 	else {
 		/* Restore the state on error. */
 		psci_set_aff_info_state_by_idx(target_idx, AFF_STATE_OFF);
-		flush_cpu_data_by_index((unsigned int)target_idx,
+		flush_cpu_data_by_index(target_idx,
 					psci_svc_cpu_data.aff_info_state);
 	}
 
@@ -164,7 +166,7 @@
  * are called by the common finisher routine in psci_common.c. The `state_info`
  * is the psci_power_state from which this CPU has woken up from.
  ******************************************************************************/
-void psci_cpu_on_finish(int cpu_idx, const psci_power_state_t *state_info)
+void psci_cpu_on_finish(unsigned int cpu_idx, const psci_power_state_t *state_info)
 {
 	/*
 	 * Plat. management: Perform the platform specific actions
diff --git a/lib/psci/psci_private.h b/lib/psci/psci_private.h
index 0f25e65..e2dcfa8 100644
--- a/lib/psci/psci_private.h
+++ b/lib/psci/psci_private.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -301,7 +301,7 @@
 int psci_cpu_on_start(u_register_t target_cpu,
 		      const entry_point_info_t *ep);
 
-void psci_cpu_on_finish(int cpu_idx, const psci_power_state_t *state_info);
+void psci_cpu_on_finish(unsigned int cpu_idx, const psci_power_state_t *state_info);
 
 /* Private exported functions from psci_off.c */
 int psci_do_cpu_off(unsigned int end_pwrlvl);
@@ -312,7 +312,7 @@
 			psci_power_state_t *state_info,
 			unsigned int is_power_down_state);
 
-void psci_cpu_suspend_finish(int cpu_idx, const psci_power_state_t *state_info);
+void psci_cpu_suspend_finish(unsigned int cpu_idx, const psci_power_state_t *state_info);
 
 /* Private exported functions from psci_helpers.S */
 void psci_do_pwrdown_cache_maintenance(unsigned int pwr_level);
diff --git a/lib/psci/psci_setup.c b/lib/psci/psci_setup.c
index becb547..d1ec998 100644
--- a/lib/psci/psci_setup.c
+++ b/lib/psci/psci_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -91,9 +91,9 @@
 
 	for (cpu_idx = 0; cpu_idx < psci_plat_core_count; cpu_idx++) {
 		psci_get_parent_pwr_domain_nodes(cpu_idx,
-						 (unsigned int)PLAT_MAX_PWR_LVL,
+						 PLAT_MAX_PWR_LVL,
 						 temp_index);
-		for (j = (int) PLAT_MAX_PWR_LVL - 1; j >= 0; j--) {
+		for (j = (int)PLAT_MAX_PWR_LVL - 1; j >= 0; j--) {
 			if (temp_index[j] != nodes_idx[j]) {
 				nodes_idx[j] = temp_index[j];
 				psci_non_cpu_pd_nodes[nodes_idx[j]].cpu_start_idx
@@ -115,8 +115,8 @@
 {
 	unsigned int i, j = 0U, num_nodes_at_lvl = 1U, num_nodes_at_next_lvl;
 	unsigned int node_index = 0U, num_children;
-	int parent_node_index = 0;
-	int level = (int) PLAT_MAX_PWR_LVL;
+	unsigned int parent_node_index = 0U;
+	int level = (int)PLAT_MAX_PWR_LVL;
 
 	/*
 	 * For each level the inputs are:
@@ -145,8 +145,8 @@
 			for (j = node_index;
 				j < (node_index + num_children); j++)
 				psci_init_pwr_domain_node((unsigned char)j,
-							  parent_node_index - 1,
-							  (unsigned char)level);
+						  parent_node_index - 1U,
+						  (unsigned char)level);
 
 			node_index = j;
 			num_nodes_at_next_lvl += num_children;
@@ -162,7 +162,7 @@
 	}
 
 	/* Validate the sanity of array exported by the platform */
-	assert(j <= (unsigned int)PLATFORM_CORE_COUNT);
+	assert(j <= PLATFORM_CORE_COUNT);
 	return j;
 }
 
diff --git a/lib/psci/psci_stat.c b/lib/psci/psci_stat.c
index 772a184..ecef95a 100644
--- a/lib/psci/psci_stat.c
+++ b/lib/psci/psci_stat.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -28,7 +28,7 @@
  * that goes to power down in non cpu power domains.
  */
 static int last_cpu_in_non_cpu_pd[PSCI_NUM_NON_CPU_PWR_DOMAINS] = {
-		[0 ... PSCI_NUM_NON_CPU_PWR_DOMAINS - 1] = -1};
+		[0 ... PSCI_NUM_NON_CPU_PWR_DOMAINS - 1U] = -1};
 
 /*
  * Following are used to store PSCI STAT values for
@@ -77,7 +77,7 @@
 			const psci_power_state_t *state_info)
 {
 	unsigned int lvl, parent_idx;
-	int cpu_idx = (int) plat_my_core_pos();
+	unsigned int cpu_idx = plat_my_core_pos();
 
 	assert(end_pwrlvl <= PLAT_MAX_PWR_LVL);
 	assert(state_info != NULL);
@@ -94,7 +94,7 @@
 		 * The power domain is entering a low power state, so this is
 		 * the last CPU for this power domain
 		 */
-		last_cpu_in_non_cpu_pd[parent_idx] = cpu_idx;
+		last_cpu_in_non_cpu_pd[parent_idx] = (int)cpu_idx;
 
 		parent_idx = psci_non_cpu_pd_nodes[parent_idx].parent_node;
 	}
@@ -110,7 +110,7 @@
 			const psci_power_state_t *state_info)
 {
 	unsigned int lvl, parent_idx;
-	int cpu_idx = (int) plat_my_core_pos();
+	unsigned int cpu_idx = plat_my_core_pos();
 	int stat_idx;
 	plat_local_state_t local_state;
 	u_register_t residency;
@@ -150,7 +150,7 @@
 
 		/* Call into platform interface to calculate residency. */
 		residency = plat_psci_stat_get_residency(lvl, state_info,
-					last_cpu_in_non_cpu_pd[parent_idx]);
+			(unsigned int)last_cpu_in_non_cpu_pd[parent_idx]);
 
 		/* Initialize back to reset value */
 		last_cpu_in_non_cpu_pd[parent_idx] = -1;
diff --git a/lib/psci/psci_suspend.c b/lib/psci/psci_suspend.c
index 98dd2d6..da9f328 100644
--- a/lib/psci/psci_suspend.c
+++ b/lib/psci/psci_suspend.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -25,7 +25,7 @@
  * This function does generic and platform specific operations after a wake-up
  * from standby/retention states at multiple power levels.
  ******************************************************************************/
-static void psci_suspend_to_standby_finisher(int cpu_idx,
+static void psci_suspend_to_standby_finisher(unsigned int cpu_idx,
 					     unsigned int end_pwrlvl)
 {
 	unsigned int parent_nodes[PLAT_MAX_PWR_LVL] = {0};
@@ -157,7 +157,7 @@
 			    unsigned int is_power_down_state)
 {
 	int skip_wfi = 0;
-	int idx = (int) plat_my_core_pos();
+	unsigned int idx = plat_my_core_pos();
 	unsigned int parent_nodes[PLAT_MAX_PWR_LVL] = {0};
 
 	/*
@@ -276,7 +276,7 @@
  * are called by the common finisher routine in psci_common.c. The `state_info`
  * is the psci_power_state from which this CPU has woken up from.
  ******************************************************************************/
-void psci_cpu_suspend_finish(int cpu_idx, const psci_power_state_t *state_info)
+void psci_cpu_suspend_finish(unsigned int cpu_idx, const psci_power_state_t *state_info)
 {
 	unsigned int counter_freq;
 	unsigned int max_off_lvl;
diff --git a/plat/allwinner/common/allwinner-common.mk b/plat/allwinner/common/allwinner-common.mk
index d281011..98bcf3e 100644
--- a/plat/allwinner/common/allwinner-common.mk
+++ b/plat/allwinner/common/allwinner-common.mk
@@ -55,11 +55,11 @@
 # Allow mapping read-only data as execute-never.
 SEPARATE_CODE_AND_RODATA	:=	1
 
+# Put NOBITS memory in SRAM A1, overwriting U-Boot's SPL.
+SEPARATE_NOBITS_REGION		:=	1
+
 # BL31 gets loaded alongside BL33 (U-Boot) by U-Boot's SPL
 RESET_TO_BL31			:=	1
 
-# We are short on memory, so save 3.5KB by not having an extra coherent page.
-USE_COHERENT_MEM		:=	0
-
 # This platform is single-cluster and does not require coherency setup.
 WARMBOOT_ENABLE_DCACHE_EARLY	:=	1
diff --git a/plat/allwinner/common/include/platform_def.h b/plat/allwinner/common/include/platform_def.h
index ede3881..0a00076 100644
--- a/plat/allwinner/common/include/platform_def.h
+++ b/plat/allwinner/common/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -16,6 +16,10 @@
 #define BL31_BASE			SUNXI_SRAM_A2_BASE
 #define BL31_LIMIT			(SUNXI_SRAM_A2_BASE + SUNXI_SRAM_A2_SIZE)
 
+/* Overwrite U-Boot SPL, but reserve the first page for the SPL header. */
+#define BL31_NOBITS_BASE		(SUNXI_SRAM_A1_BASE + 0x1000)
+#define BL31_NOBITS_LIMIT		(SUNXI_SRAM_A1_BASE + SUNXI_SRAM_A1_SIZE)
+
 /* The traditional U-Boot load address is 160MB into DRAM, so at 0x4a000000 */
 #define PLAT_SUNXI_NS_IMAGE_OFFSET	(SUNXI_DRAM_BASE + (160U << 20))
 
@@ -28,7 +32,7 @@
 #define CACHE_WRITEBACK_SHIFT		6
 #define CACHE_WRITEBACK_GRANULE		(1 << CACHE_WRITEBACK_SHIFT)
 
-#define MAX_MMAP_REGIONS		(3 + PLATFORM_MMAP_REGIONS)
+#define MAX_MMAP_REGIONS		(4 + PLATFORM_MMAP_REGIONS)
 #define MAX_XLAT_TABLES			1
 
 #define PLAT_MAX_PWR_LVL_STATES		U(2)
diff --git a/plat/allwinner/common/sunxi_common.c b/plat/allwinner/common/sunxi_common.c
index 1e21a42..cff8268 100644
--- a/plat/allwinner/common/sunxi_common.c
+++ b/plat/allwinner/common/sunxi_common.c
@@ -57,6 +57,10 @@
 	mmap_add_region(BL_RO_DATA_BASE, BL_RO_DATA_BASE,
 			BL_RO_DATA_END - BL_RO_DATA_BASE,
 			MT_RO_DATA | MT_SECURE);
+	mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
+			BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
+			MT_DEVICE | MT_RW | MT_SECURE | MT_EXECUTE_NEVER);
+
 	mmap_add(sunxi_mmap);
 	init_xlat_tables();
 
diff --git a/plat/arm/board/a5ds/a5ds_common.c b/plat/arm/board/a5ds/a5ds_common.c
index e462fa1..a4a0cff 100644
--- a/plat/arm/board/a5ds/a5ds_common.c
+++ b/plat/arm/board/a5ds/a5ds_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -23,18 +23,18 @@
 #ifdef IMAGE_BL1
 const mmap_region_t plat_arm_mmap[] = {
 	ARM_MAP_SHARED_RAM,
-	MAP_FLASH1_RW,
 	MAP_PERIPHBASE,
 	MAP_A5_PERIPHERALS,
+	MAP_BOOT_RW,
 	{0}
 };
 #endif
 #ifdef IMAGE_BL2
 const mmap_region_t plat_arm_mmap[] = {
 	ARM_MAP_SHARED_RAM,
-	MAP_FLASH1_RW,
 	MAP_PERIPHBASE,
 	MAP_A5_PERIPHERALS,
+	MAP_BOOT_RW,
 	ARM_MAP_NS_DRAM1,
 	{0}
 };
diff --git a/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts b/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts
index 9ab2d96..7b3aa11 100644
--- a/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts
+++ b/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -10,7 +10,7 @@
 	/* Platform Config */
 	plat_arm_bl2 {
 		compatible = "arm,tb_fw";
-		hw_config_addr = <0x0 0x82000000>;
+		hw_config_addr = <0x0 0x83000000>;
 		hw_config_max_size = <0x01000000>;
 		/* Disable authentication for development */
 		disable_auth = <0x0>;
diff --git a/plat/arm/board/a5ds/include/platform_def.h b/plat/arm/board/a5ds/include/platform_def.h
index d200af6..31dfb1c 100644
--- a/plat/arm/board/a5ds/include/platform_def.h
+++ b/plat/arm/board/a5ds/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -21,14 +21,6 @@
 #define ARM_DRAM1_END			(ARM_DRAM1_BASE +		\
 					 ARM_DRAM1_SIZE - 1)
 
-#define ARM_NS_DRAM1_BASE		ARM_DRAM1_BASE
-/*
- * The last 2MB is meant to be NOLOAD and will not be zero
- * initialized.
- */
-#define ARM_NS_DRAM1_SIZE		(ARM_DRAM1_SIZE -		\
-					 0x00200000)
-
 #define SRAM_BASE	0x2000000
 #define SRAM_SIZE	0x200000
 
@@ -47,7 +39,7 @@
 #define A5_PERIPHERALS_BASE 0x1c000000
 #define A5_PERIPHERALS_SIZE  0x10000
 
-#define ARM_CACHE_WRITEBACK_SHIFT	6
+#define ARM_CACHE_WRITEBACK_SHIFT	5
 
 #define ARM_IRQ_SEC_PHY_TIMER		29
 
@@ -89,28 +81,34 @@
 #define A5DS_IRQ_SEC_SYS_TIMER		57
 
 /* Default cluster count for A5DS */
-#define A5DS_CLUSTER_COUNT	1
+#define A5DS_CLUSTER_COUNT	U(1)
 
 /* Default number of CPUs per cluster on A5DS */
-#define A5DS_MAX_CPUS_PER_CLUSTER	4
+#define A5DS_MAX_CPUS_PER_CLUSTER	U(4)
 
 /* Default number of threads per CPU on A5DS */
-#define A5DS_MAX_PE_PER_CPU	1
+#define A5DS_MAX_PE_PER_CPU	U(1)
 
-#define A5DS_CORE_COUNT		4
+#define A5DS_CORE_COUNT		U(4)
 
 #define A5DS_PRIMARY_CPU	0x0
 
-#define FLASH1_BASE			UL(0x8000000)
-#define FLASH1_SIZE			UL(0x2800000)
+#define BOOT_BASE			ARM_DRAM1_BASE
+#define BOOT_SIZE			UL(0x2800000)
 
-#define MAP_FLASH1_RW		MAP_REGION_FLAT(FLASH1_BASE,\
-						FLASH1_SIZE,	\
-						MT_DEVICE | MT_RW | MT_SECURE)
+#define ARM_NS_DRAM1_BASE		(ARM_DRAM1_BASE + BOOT_SIZE)
+/*
+ * The last 2MB is meant to be NOLOAD and will not be zero
+ * initialized.
+ */
+#define ARM_NS_DRAM1_SIZE		(ARM_DRAM1_SIZE -		\
+					 BOOT_SIZE -			\
+					 0x00200000)
 
-#define MAP_FLASH1_RO		MAP_REGION_FLAT(FLASH1_BASE,\
-						FLASH1_SIZE,	\
-						MT_RO_DATA | MT_SECURE)
+#define MAP_BOOT_RW          		MAP_REGION_FLAT(		\
+						BOOT_BASE,		\
+						BOOT_SIZE,    		\
+						MT_DEVICE | MT_RW | MT_SECURE)
 
 #define ARM_MAP_SHARED_RAM		MAP_REGION_FLAT(		\
 						A5DS_SHARED_RAM_BASE,	\
@@ -122,9 +120,9 @@
 						ARM_NS_DRAM1_SIZE,	\
 						MT_MEMORY | MT_RW | MT_NS)
 
-#define ARM_MAP_SRAM		MAP_REGION_FLAT(		\
-						SRAM_BASE,	\
-						SRAM_SIZE,	\
+#define ARM_MAP_SRAM			MAP_REGION_FLAT(		\
+						SRAM_BASE,		\
+						SRAM_SIZE,		\
 						MT_MEMORY | MT_RW | MT_NS)
 
 /*
@@ -162,7 +160,7 @@
 					 ARM_BL_REGIONS)
 
 /* Memory mapped Generic timer interfaces  */
-#define A5DS_TIMER_BASE_FREQUENCY		UL(24000000)
+#define A5DS_TIMER_BASE_FREQUENCY		UL(7500000)
 
 #define ARM_CONSOLE_BAUDRATE		115200
 
@@ -231,7 +229,7 @@
 /* Required platform porting definitions */
 #define PLATFORM_CORE_COUNT	A5DS_CORE_COUNT
 #define PLAT_NUM_PWR_DOMAINS	(A5DS_CLUSTER_COUNT + \
-					PLATFORM_CORE_COUNT) + 1
+				PLATFORM_CORE_COUNT) + U(1)
 
 #define PLAT_MAX_PWR_LVL	2
 
@@ -300,25 +298,25 @@
 #define MAX_IO_HANDLES			4
 
 /* Reserve the last block of flash for PSCI MEM PROTECT flag */
-#define PLAT_ARM_FIP_BASE		FLASH1_BASE
-#define PLAT_ARM_FIP_MAX_SIZE		(FLASH1_SIZE - V2M_FLASH_BLOCK_SIZE)
+#define PLAT_ARM_FIP_BASE		BOOT_BASE
+#define PLAT_ARM_FIP_MAX_SIZE		(BOOT_SIZE - V2M_FLASH_BLOCK_SIZE)
 
-#define PLAT_ARM_NVM_BASE		FLASH1_BASE
-#define PLAT_ARM_NVM_SIZE		(FLASH1_SIZE - V2M_FLASH_BLOCK_SIZE)
+#define PLAT_ARM_NVM_BASE		BOOT_BASE
+#define PLAT_ARM_NVM_SIZE		(BOOT_SIZE - V2M_FLASH_BLOCK_SIZE)
 
 /*
  * PL011 related constants
  */
 #define PLAT_ARM_BOOT_UART_BASE		0x1A200000
-#define PLAT_ARM_BOOT_UART_CLK_IN_HZ	24000000
+#define PLAT_ARM_BOOT_UART_CLK_IN_HZ	UL(7500000)
 
 #define PLAT_ARM_RUN_UART_BASE		0x1A210000
-#define PLAT_ARM_RUN_UART_CLK_IN_HZ	24000000
+#define PLAT_ARM_RUN_UART_CLK_IN_HZ	UL(7500000)
 
 #define PLAT_ARM_CRASH_UART_BASE	PLAT_ARM_RUN_UART_BASE
 #define PLAT_ARM_CRASH_UART_CLK_IN_HZ	PLAT_ARM_RUN_UART_CLK_IN_HZ
 
-#define A5DS_TIMER_BASE_FREQUENCY	UL(24000000)
+#define A5DS_TIMER_BASE_FREQUENCY	UL(7500000)
 
 /* System timer related constants */
 #define PLAT_ARM_NSTIMER_FRAME_ID		1
diff --git a/plat/arm/board/corstone700/include/platform_def.h b/plat/arm/board/corstone700/include/platform_def.h
index de99b06..8dff3ec 100644
--- a/plat/arm/board/corstone700/include/platform_def.h
+++ b/plat/arm/board/corstone700/include/platform_def.h
@@ -14,9 +14,9 @@
 #include <plat/common/common_def.h>
 
 /* Core/Cluster/Thread counts for Corstone700 */
-#define CORSTONE700_CLUSTER_COUNT		1
-#define CORSTONE700_MAX_CPUS_PER_CLUSTER	4
-#define CORSTONE700_MAX_PE_PER_CPU		1
+#define CORSTONE700_CLUSTER_COUNT		U(1)
+#define CORSTONE700_MAX_CPUS_PER_CLUSTER	U(4)
+#define CORSTONE700_MAX_PE_PER_CPU		U(1)
 #define CORSTONE700_CORE_COUNT		(CORSTONE700_CLUSTER_COUNT *	\
 					CORSTONE700_MAX_CPUS_PER_CLUSTER * \
 					CORSTONE700_MAX_PE_PER_CPU)
diff --git a/plat/arm/board/fvp/fvp_def.h b/plat/arm/board/fvp/fvp_def.h
index 1b9f84b..347ba2e 100644
--- a/plat/arm/board/fvp/fvp_def.h
+++ b/plat/arm/board/fvp/fvp_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -10,15 +10,15 @@
 #include <lib/utils_def.h>
 
 #ifndef FVP_CLUSTER_COUNT
-#define FVP_CLUSTER_COUNT		2
+#error "FVP_CLUSTER_COUNT is not set in makefile"
 #endif
 
 #ifndef FVP_MAX_CPUS_PER_CLUSTER
-#define FVP_MAX_CPUS_PER_CLUSTER	4
+#error "FVP_MAX_CPUS_PER_CLUSTER is not set in makefile"
 #endif
 
 #ifndef FVP_MAX_PE_PER_CPU
-# define FVP_MAX_PE_PER_CPU		1
+#error "FVP_MAX_PE_PER_CPU is not set in makefile"
 #endif
 
 #define FVP_PRIMARY_CPU			0x0
diff --git a/plat/arm/board/fvp/include/platform_def.h b/plat/arm/board/fvp/include/platform_def.h
index f1afe36..c2b7b98 100644
--- a/plat/arm/board/fvp/include/platform_def.h
+++ b/plat/arm/board/fvp/include/platform_def.h
@@ -17,11 +17,12 @@
 #include "../fvp_def.h"
 
 /* Required platform porting definitions */
-#define PLATFORM_CORE_COUNT \
-	(FVP_CLUSTER_COUNT * FVP_MAX_CPUS_PER_CLUSTER * FVP_MAX_PE_PER_CPU)
+#define PLATFORM_CORE_COUNT  (U(FVP_CLUSTER_COUNT) * \
+			      U(FVP_MAX_CPUS_PER_CLUSTER) * \
+			      U(FVP_MAX_PE_PER_CPU))
 
-#define PLAT_NUM_PWR_DOMAINS		(FVP_CLUSTER_COUNT + \
-					PLATFORM_CORE_COUNT) + 1
+#define PLAT_NUM_PWR_DOMAINS (U(FVP_CLUSTER_COUNT) + \
+			      PLATFORM_CORE_COUNT + U(1))
 
 #define PLAT_MAX_PWR_LVL		ARM_PWR_LVL2
 
@@ -32,7 +33,7 @@
 /*
  * Required ARM standard platform porting definitions
  */
-#define PLAT_ARM_CLUSTER_COUNT		FVP_CLUSTER_COUNT
+#define PLAT_ARM_CLUSTER_COUNT		U(FVP_CLUSTER_COUNT)
 
 #define PLAT_ARM_TRUSTED_SRAM_SIZE	UL(0x00040000)	/* 256 KB */
 
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index ea72e79..97a326c 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -245,10 +245,12 @@
 DYNAMIC_WORKAROUND_CVE_2018_3639	:=	1
 
 # Enable reclaiming of BL31 initialisation code for secondary cores
-# stacks for FVP.
+# stacks for FVP. However, don't enable reclaiming for clang.
 ifneq (${RESET_TO_BL31},1)
+ifeq ($(findstring clang,$(notdir $(CC))),)
 RECLAIM_INIT_CODE	:=	1
 endif
+endif
 
 ifeq (${ENABLE_AMU},1)
 BL31_SOURCES		+=	lib/cpus/aarch64/cpuamu.c		\
diff --git a/plat/arm/board/fvp_ve/fvp_ve_def.h b/plat/arm/board/fvp_ve/fvp_ve_def.h
index 565753a..98de5f6 100644
--- a/plat/arm/board/fvp_ve/fvp_ve_def.h
+++ b/plat/arm/board/fvp_ve/fvp_ve_def.h
@@ -10,17 +10,17 @@
 #include <lib/utils_def.h>
 
 /* Default cluster count for FVP VE */
-#define FVP_VE_CLUSTER_COUNT	1
+#define FVP_VE_CLUSTER_COUNT		U(1)
 
 /* Default number of CPUs per cluster on FVP VE */
-#define FVP_VE_MAX_CPUS_PER_CLUSTER	1
+#define FVP_VE_MAX_CPUS_PER_CLUSTER	U(1)
 
 /* Default number of threads per CPU on FVP VE */
-#define FVP_VE_MAX_PE_PER_CPU	1
+#define FVP_VE_MAX_PE_PER_CPU		U(1)
 
-#define FVP_VE_CORE_COUNT 1
+#define FVP_VE_CORE_COUNT		U(1)
 
-#define FVP_VE_PRIMARY_CPU			0x0
+#define FVP_VE_PRIMARY_CPU		0x0
 
 /*******************************************************************************
  * FVP memory map related constants
diff --git a/plat/arm/board/fvp_ve/include/platform_def.h b/plat/arm/board/fvp_ve/include/platform_def.h
index 4e575e1..1b07a9b 100644
--- a/plat/arm/board/fvp_ve/include/platform_def.h
+++ b/plat/arm/board/fvp_ve/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -211,9 +211,9 @@
 #define BL32_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
 
 /* Required platform porting definitions */
-#define PLATFORM_CORE_COUNT		1
+#define PLATFORM_CORE_COUNT		FVP_VE_CLUSTER_COUNT
 #define PLAT_NUM_PWR_DOMAINS		((FVP_VE_CLUSTER_COUNT + \
-					PLATFORM_CORE_COUNT) + 1)
+					PLATFORM_CORE_COUNT) + U(1))
 
 #define PLAT_MAX_PWR_LVL		2
 
diff --git a/plat/arm/board/juno/juno_def.h b/plat/arm/board/juno/juno_def.h
index 7a8bedf..3b34a9f 100644
--- a/plat/arm/board/juno/juno_def.h
+++ b/plat/arm/board/juno/juno_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -32,9 +32,9 @@
 /*******************************************************************************
  * Juno topology related constants
  ******************************************************************************/
-#define JUNO_CLUSTER_COUNT		2
-#define JUNO_CLUSTER0_CORE_COUNT	2
-#define JUNO_CLUSTER1_CORE_COUNT	4
+#define JUNO_CLUSTER_COUNT		U(2)
+#define JUNO_CLUSTER0_CORE_COUNT	U(2)
+#define JUNO_CLUSTER1_CORE_COUNT	U(4)
 
 /*******************************************************************************
  * TZC-400 related constants
diff --git a/plat/arm/board/rde1edge/include/platform_def.h b/plat/arm/board/rde1edge/include/platform_def.h
index 50b04f0..2be3f88 100644
--- a/plat/arm/board/rde1edge/include/platform_def.h
+++ b/plat/arm/board/rde1edge/include/platform_def.h
@@ -11,9 +11,9 @@
 
 #include <sgi_base_platform_def.h>
 
-#define PLAT_ARM_CLUSTER_COUNT		2
-#define CSS_SGI_MAX_CPUS_PER_CLUSTER	8
-#define CSS_SGI_MAX_PE_PER_CPU		2
+#define PLAT_ARM_CLUSTER_COUNT		U(2)
+#define CSS_SGI_MAX_CPUS_PER_CLUSTER	U(8)
+#define CSS_SGI_MAX_PE_PER_CPU		U(2)
 
 #define PLAT_CSS_MHU_BASE		UL(0x45400000)
 #define PLAT_MHUV2_BASE			PLAT_CSS_MHU_BASE
diff --git a/plat/arm/board/rdn1edge/include/platform_def.h b/plat/arm/board/rdn1edge/include/platform_def.h
index 580ab8e..c635faa 100644
--- a/plat/arm/board/rdn1edge/include/platform_def.h
+++ b/plat/arm/board/rdn1edge/include/platform_def.h
@@ -11,9 +11,9 @@
 
 #include <sgi_base_platform_def.h>
 
-#define PLAT_ARM_CLUSTER_COUNT		2
-#define CSS_SGI_MAX_CPUS_PER_CLUSTER	4
-#define CSS_SGI_MAX_PE_PER_CPU		1
+#define PLAT_ARM_CLUSTER_COUNT		U(2)
+#define CSS_SGI_MAX_CPUS_PER_CLUSTER	U(4)
+#define CSS_SGI_MAX_PE_PER_CPU		U(1)
 
 #define PLAT_CSS_MHU_BASE		UL(0x45400000)
 #define PLAT_MHUV2_BASE			PLAT_CSS_MHU_BASE
diff --git a/plat/arm/board/sgi575/include/platform_def.h b/plat/arm/board/sgi575/include/platform_def.h
index f00146f..fd59e52 100644
--- a/plat/arm/board/sgi575/include/platform_def.h
+++ b/plat/arm/board/sgi575/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,9 +11,9 @@
 
 #include <sgi_base_platform_def.h>
 
-#define PLAT_ARM_CLUSTER_COUNT		2
-#define CSS_SGI_MAX_CPUS_PER_CLUSTER	4
-#define CSS_SGI_MAX_PE_PER_CPU		1
+#define PLAT_ARM_CLUSTER_COUNT		U(2)
+#define CSS_SGI_MAX_CPUS_PER_CLUSTER	U(4)
+#define CSS_SGI_MAX_PE_PER_CPU		U(1)
 
 #define PLAT_CSS_MHU_BASE		UL(0x45000000)
 #define PLAT_MHUV2_BASE			PLAT_CSS_MHU_BASE
diff --git a/plat/arm/board/sgm775/include/platform_def.h b/plat/arm/board/sgm775/include/platform_def.h
index 27d1b33..d165ff9 100644
--- a/plat/arm/board/sgm775/include/platform_def.h
+++ b/plat/arm/board/sgm775/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,8 +9,8 @@
 
 #include <sgm_base_platform_def.h>
 
-#define PLAT_MAX_CPUS_PER_CLUSTER	8
-#define PLAT_MAX_PE_PER_CPU		1
+#define PLAT_MAX_CPUS_PER_CLUSTER	U(8)
+#define PLAT_MAX_PE_PER_CPU		U(1)
 
 /*
  * Physical and virtual address space limits for MMU in AARCH64 & AARCH32 modes
diff --git a/plat/arm/css/sgm/include/sgm_base_platform_def.h b/plat/arm/css/sgm/include/sgm_base_platform_def.h
index f349c19..24bbed5 100644
--- a/plat/arm/css/sgm/include/sgm_base_platform_def.h
+++ b/plat/arm/css/sgm/include/sgm_base_platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -17,8 +17,8 @@
 #include <plat/common/common_def.h>
 
 /* CPU topology */
-#define PLAT_ARM_CLUSTER_COUNT		1
-#define PLAT_ARM_CLUSTER_CORE_COUNT	8
+#define PLAT_ARM_CLUSTER_COUNT		U(1)
+#define PLAT_ARM_CLUSTER_CORE_COUNT	U(8)
 #define PLATFORM_CORE_COUNT		PLAT_ARM_CLUSTER_CORE_COUNT
 
 #define PLAT_MAX_PWR_LVL		ARM_PWR_LVL2
diff --git a/plat/common/plat_psci_common.c b/plat/common/plat_psci_common.c
index 16bec79..80ed819 100644
--- a/plat/common/plat_psci_common.c
+++ b/plat/common/plat_psci_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -31,6 +31,8 @@
 #define PSCI_STAT_ID_EXIT_LOW_PWR		1
 #define PSCI_STAT_TOTAL_IDS			2
 
+PMF_DECLARE_CAPTURE_TIMESTAMP(psci_svc)
+PMF_DECLARE_GET_TIMESTAMP(psci_svc)
 PMF_REGISTER_SERVICE(psci_svc, PMF_PSCI_STAT_SVC_ID, PSCI_STAT_TOTAL_IDS,
 	PMF_STORE_ENABLE)
 
@@ -92,7 +94,7 @@
  */
 u_register_t plat_psci_stat_get_residency(unsigned int lvl,
 	const psci_power_state_t *state_info,
-	int last_cpu_idx)
+	unsigned int last_cpu_idx)
 {
 	plat_local_state_t state;
 	unsigned long long pwrup_ts = 0, pwrdn_ts = 0;
@@ -103,7 +105,7 @@
 	assert(last_cpu_idx <= PLATFORM_CORE_COUNT);
 
 	if (lvl == PSCI_CPU_PWR_LVL)
-		assert((unsigned int)last_cpu_idx == plat_my_core_pos());
+		assert(last_cpu_idx == plat_my_core_pos());
 
 	/*
 	 * If power down is requested, then timestamp capture will
diff --git a/plat/imx/imx8m/include/imx8m_psci.h b/plat/imx/imx8m/include/imx8m_psci.h
index 4966403..c33d25e 100644
--- a/plat/imx/imx8m/include/imx8m_psci.h
+++ b/plat/imx/imx8m/include/imx8m_psci.h
@@ -15,13 +15,9 @@
 void imx_pwr_domain_on_finish(const psci_power_state_t *target_state);
 void imx_pwr_domain_off(const psci_power_state_t *target_state);
 int imx_validate_ns_entrypoint(uintptr_t ns_entrypoint);
-int imx_validate_power_state(unsigned int power_state, psci_power_state_t *rq_state);
 void imx_cpu_standby(plat_local_state_t cpu_state);
 void imx_domain_suspend(const psci_power_state_t *target_state);
 void imx_domain_suspend_finish(const psci_power_state_t *target_state);
-void imx_get_sys_suspend_power_state(psci_power_state_t *req_state);
-void __dead2 imx_system_reset(void);
-void __dead2 imx_system_off(void);
 void __dead2 imx_pwr_domain_pwr_down_wfi(const psci_power_state_t *target_state);
 
 #endif /* IMX8M_PSCI_H */
diff --git a/plat/intel/soc/agilex/include/agilex_system_manager.h b/plat/intel/soc/agilex/include/agilex_system_manager.h
index 381c2d3..be29536 100644
--- a/plat/intel/soc/agilex/include/agilex_system_manager.h
+++ b/plat/intel/soc/agilex/include/agilex_system_manager.h
@@ -73,7 +73,6 @@
 #define DISABLE_BRIDGE_FIREWALL			0x0ffe0101
 #define DISABLE_L4_FIREWALL	(BIT(0) | BIT(16) | BIT(24))
 
-void enable_nonsecure_access(void);
 void enable_ns_bridge_access(void);
 
 #endif
diff --git a/plat/intel/soc/agilex/soc/agilex_memory_controller.c b/plat/intel/soc/agilex/soc/agilex_memory_controller.c
index 5f3cae7..2aabe87 100644
--- a/plat/intel/soc/agilex/soc/agilex_memory_controller.c
+++ b/plat/intel/soc/agilex/soc/agilex_memory_controller.c
@@ -20,9 +20,8 @@
 #define PRE_CALIBRATION_DELAY		1
 #define POST_CALIBRATION_DELAY		1
 #define TIMEOUT_EMIF_CALIBRATION	1000
-#define CLEAR_EMIF_DELAY		50000
-#define CLEAR_EMIF_TIMEOUT		0x100000
-#define TIMEOUT_INT_RESP		10000
+#define CLEAR_EMIF_DELAY		1000
+#define CLEAR_EMIF_TIMEOUT		1000
 
 #define DDR_CONFIG(A, B, C, R)	(((A) << 24) | ((B) << 16) | ((C) << 8) | (R))
 #define DDR_CONFIG_ELEMENTS	(sizeof(ddr_config)/sizeof(uint32_t))
@@ -125,7 +124,7 @@
 			data = mmio_read_32(AGX_MPFE_HMC_ADP_DDRCALSTAT);
 			if (AGX_MPFE_HMC_ADP_DDRCALSTAT_CAL(data) == 1)
 				break;
-			mdelay(1);
+			udelay(500);
 		} while (++timeout < TIMEOUT_EMIF_CALIBRATION);
 
 		if (AGX_MPFE_HMC_ADP_DDRCALSTAT_CAL(data) == 0) {
diff --git a/plat/intel/soc/common/aarch64/plat_helpers.S b/plat/intel/soc/common/aarch64/plat_helpers.S
index 27b538a..5cb9b69 100644
--- a/plat/intel/soc/common/aarch64/plat_helpers.S
+++ b/plat/intel/soc/common/aarch64/plat_helpers.S
@@ -66,12 +66,34 @@
 	ret
 endfunc plat_my_core_pos
 
+func warm_reset_req
+	str	xzr, [x4]
+	bl	plat_is_my_cpu_primary
+	cbz	x0, cpu_in_wfi
+	mov_imm x1, PLAT_SEC_ENTRY
+	str	xzr, [x1]
+	mrs	x1, rmr_el3
+	orr	x1, x1, #0x02
+	msr	rmr_el3, x1
+	isb
+	dsb	sy
+cpu_in_wfi:
+	wfi
+	b	cpu_in_wfi
+endfunc warm_reset_req
+
 func plat_get_my_entrypoint
+	ldr	x4, =L2_RESET_DONE_REG
+	ldr	x5, [x4]
+	ldr	x1, =L2_RESET_DONE_STATUS
+	cmp	x1, x5
+	b.eq	warm_reset_req
 	mov_imm	x1, PLAT_SEC_ENTRY
 	ldr	x0, [x1]
 	ret
 endfunc plat_get_my_entrypoint
 
+
 	/* ---------------------------------------------
 	 * int plat_crash_console_init(void)
 	 * Function to initialize the crash console
diff --git a/plat/intel/soc/common/drivers/qspi/cadence_qspi.c b/plat/intel/soc/common/drivers/qspi/cadence_qspi.c
index d7cd71b..cecf560 100644
--- a/plat/intel/soc/common/drivers/qspi/cadence_qspi.c
+++ b/plat/intel/soc/common/drivers/qspi/cadence_qspi.c
@@ -688,10 +688,7 @@
 
 	if ((offset >= qspi_device_size) ||
 			(offset + size - 1 >= qspi_device_size) ||
-			(size == 0) ||
-			((long) ((int *)buffer) & 0x3)  ||
-			(offset & 0x3) ||
-			(size & 0x3)) {
+			(size == 0)) {
 		ERROR("Invalid read parameter\n");
 		return -1;
 	}
@@ -766,11 +763,9 @@
 
 	if ((offset >= qspi_device_size) ||
 			(offset + size - 1 >= qspi_device_size) ||
-			(size == 0) ||
-			((long)buffer & 0x3)  ||
-			(offset & 0x3) ||
-			(size & 0x3))
+			(size == 0)) {
 		return -2;
+	}
 
 	if (CAD_QSPI_INDWR_RDSTAT(mmio_read_32(CAD_QSPI_OFFSET +
 						CAD_QSPI_INDWR))) {
diff --git a/plat/intel/soc/common/include/platform_def.h b/plat/intel/soc/common/include/platform_def.h
index d6014d3..8d04479 100644
--- a/plat/intel/soc/common/include/platform_def.h
+++ b/plat/intel/soc/common/include/platform_def.h
@@ -19,8 +19,17 @@
 /* sysmgr.boot_scratch_cold4 & 5 used for CPU release address for SPL */
 #define PLAT_CPU_RELEASE_ADDR			0xffd12210
 
+/*
+ * sysmgr.boot_scratch_cold6 & 7 (64bit) are used to indicate L2 reset
+ * is done and HPS should trigger warm reset via RMR_EL3.
+ */
+#define L2_RESET_DONE_REG			0xFFD12218
+
+/* Magic word to indicate L2 reset is completed */
+#define L2_RESET_DONE_STATUS			0x1228E5E7
+
 /* Define next boot image name and offset */
-#define PLAT_NS_IMAGE_OFFSET			0x50000
+#define PLAT_NS_IMAGE_OFFSET			0x10000000
 #define PLAT_HANDOFF_OFFSET			0xFFE3F000
 
 /*******************************************************************************
diff --git a/plat/intel/soc/common/include/socfpga_reset_manager.h b/plat/intel/soc/common/include/socfpga_reset_manager.h
new file mode 100644
index 0000000..3fbf242
--- /dev/null
+++ b/plat/intel/soc/common/include/socfpga_reset_manager.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SOCFPGA_RESETMANAGER_H
+#define SOCFPGA_RESETMANAGER_H
+
+#define SOCFPGA_RSTMGR_STAT				0xffd11000
+#define SOCFPGA_RSTMGR_HDSKEN				0xffd11010
+#define SOCFPGA_RSTMGR_COLDMODRST			0xffd11034
+#define SOCFPGA_RSTMGR_HDSKTIMEOUT			0xffd11064
+
+#define SOCFPGA_RSTMGR_HDSKEN_SET			0x0000010D
+#define SOCFPGA_RSTMGR_SDMWARMRST			0x00000002
+
+#endif /* SOCFPGA_RESETMANAGER_H */
diff --git a/plat/intel/soc/common/socfpga_image_load.c b/plat/intel/soc/common/socfpga_image_load.c
index 67c02bc..a5c3279 100644
--- a/plat/intel/soc/common/socfpga_image_load.c
+++ b/plat/intel/soc/common/socfpga_image_load.c
@@ -28,5 +28,31 @@
  ******************************************************************************/
 bl_params_t *plat_get_next_bl_params(void)
 {
+	unsigned int count;
+	unsigned int img_id = 0U;
+	unsigned int link_index = 0U;
+	bl_params_node_t *bl_exec_node = NULL;
+	bl_mem_params_node_t *desc_ptr;
+
+	/* If there is no image to start with, return NULL */
+	if (bl_mem_params_desc_num == 0U)
+		return NULL;
+
+	/* Clean next_params_info in BL image node */
+	for (count = 0U; count < bl_mem_params_desc_num; count++) {
+
+		desc_ptr = &bl_mem_params_desc_ptr[link_index];
+		bl_exec_node = &desc_ptr->params_node_mem;
+		bl_exec_node->next_params_info = NULL;
+
+		/* If no next hand-off image then break out */
+		img_id = desc_ptr->next_handoff_image_id;
+		if (img_id == INVALID_IMAGE_ID)
+			break;
+
+		/* Get the index for the next hand-off image */
+		link_index = get_bl_params_node_index(img_id);
+	}
+
 	return get_next_bl_params_from_mem_params_desc();
 }
diff --git a/plat/intel/soc/common/socfpga_psci.c b/plat/intel/soc/common/socfpga_psci.c
index 65a4b09..1ba48ea 100644
--- a/plat/intel/soc/common/socfpga_psci.c
+++ b/plat/intel/soc/common/socfpga_psci.c
@@ -13,6 +13,7 @@
 
 #include "socfpga_mailbox.h"
 #include "socfpga_plat_def.h"
+#include "socfpga_reset_manager.h"
 
 
 
@@ -75,6 +76,7 @@
 	for (size_t i = 0; i <= PLAT_MAX_PWR_LVL; i++)
 		VERBOSE("%s: target_state->pwr_domain_state[%lu]=%x\n",
 			__func__, i, target_state->pwr_domain_state[i]);
+
 	/* assert core reset */
 	mmio_setbits_32(SOCFPGA_RSTMGR_MPUMODRST_OFST, 1 << cpu_id);
 
@@ -136,6 +138,31 @@
 		wfi();
 }
 
+static int socfpga_system_reset2(int is_vendor, int reset_type,
+					u_register_t cookie)
+{
+	/* disable cpuif */
+	gicv2_cpuif_disable();
+
+	/* Store magic number */
+	mmio_write_32(L2_RESET_DONE_REG, L2_RESET_DONE_STATUS);
+
+	/* Increase timeout */
+	mmio_write_32(SOCFPGA_RSTMGR_HDSKTIMEOUT, 0xffffff);
+
+	/* Enable handshakes */
+	mmio_setbits_32(SOCFPGA_RSTMGR_HDSKEN, SOCFPGA_RSTMGR_HDSKEN_SET);
+
+	/* Reset L2 module */
+	mmio_setbits_32(SOCFPGA_RSTMGR_COLDMODRST, 0x100);
+
+	while (1)
+		wfi();
+
+	/* Should not reach here */
+	return 0;
+}
+
 int socfpga_validate_power_state(unsigned int power_state,
 				psci_power_state_t *req_state)
 {
@@ -169,6 +196,7 @@
 	.pwr_domain_suspend_finish = socfpga_pwr_domain_suspend_finish,
 	.system_off = socfpga_system_off,
 	.system_reset = socfpga_system_reset,
+	.system_reset2 = socfpga_system_reset2,
 	.validate_power_state = socfpga_validate_power_state,
 	.validate_ns_entrypoint = socfpga_validate_ns_entrypoint,
 	.get_sys_suspend_power_state = socfpga_get_sys_suspend_power_state
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index c3c6ae0..ce88fb4 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -7,6 +7,7 @@
 #include <assert.h>
 #include <common/debug.h>
 #include <common/runtime_svc.h>
+#include <lib/mmio.h>
 #include <tools_share/uuid.h>
 
 #include "socfpga_mailbox.h"
@@ -41,7 +42,7 @@
 		0xa85273b0, 0xe85a, 0x4862, 0xa6, 0x2a,
 		0xfa, 0x88, 0x88, 0x17, 0x68, 0x81);
 
-uint64_t socfpga_sip_handler(uint32_t smc_fid,
+static uint64_t socfpga_sip_handler(uint32_t smc_fid,
 				   uint64_t x1,
 				   uint64_t x2,
 				   uint64_t x3,
@@ -92,7 +93,7 @@
 	return 0;
 }
 
-uint32_t intel_mailbox_fpga_config_isdone(void)
+static uint32_t intel_mailbox_fpga_config_isdone(void)
 {
 	uint32_t ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS);
 
@@ -128,7 +129,7 @@
 	return -1;
 }
 
-int intel_fpga_config_completed_write(uint32_t *completed_addr,
+static int intel_fpga_config_completed_write(uint32_t *completed_addr,
 					uint32_t *count)
 {
 	uint32_t status = INTEL_SIP_SMC_STATUS_OK;
@@ -185,7 +186,7 @@
 	return status;
 }
 
-int intel_fpga_config_start(uint32_t config_type)
+static int intel_fpga_config_start(uint32_t config_type)
 {
 	uint32_t response[3];
 	int status = 0;
@@ -238,7 +239,7 @@
 	return false;
 }
 
-uint32_t intel_fpga_config_write(uint64_t mem, uint64_t size)
+static uint32_t intel_fpga_config_write(uint64_t mem, uint64_t size)
 {
 	int i;
 
@@ -270,6 +271,79 @@
 	return INTEL_SIP_SMC_STATUS_OK;
 }
 
+static int is_out_of_sec_range(uint64_t reg_addr)
+{
+	switch (reg_addr) {
+	case(0xF8011100):	/* ECCCTRL1 */
+	case(0xF8011104):	/* ECCCTRL2 */
+	case(0xF8011110):	/* ERRINTEN */
+	case(0xF8011114):	/* ERRINTENS */
+	case(0xF8011118):	/* ERRINTENR */
+	case(0xF801111C):	/* INTMODE */
+	case(0xF8011120):	/* INTSTAT */
+	case(0xF8011124):	/* DIAGINTTEST */
+	case(0xF801112C):	/* DERRADDRA */
+	case(0xFFD12028):	/* SDMMCGRP_CTRL */
+	case(0xFFD12044):	/* EMAC0 */
+	case(0xFFD12048):	/* EMAC1 */
+	case(0xFFD1204C):	/* EMAC2 */
+	case(0xFFD12090):	/* ECC_INT_MASK_VALUE */
+	case(0xFFD12094):	/* ECC_INT_MASK_SET */
+	case(0xFFD12098):	/* ECC_INT_MASK_CLEAR */
+	case(0xFFD1209C):	/* ECC_INTSTATUS_SERR */
+	case(0xFFD120A0):	/* ECC_INTSTATUS_DERR */
+	case(0xFFD120C0):	/* NOC_TIMEOUT */
+	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
+	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
+	case(0xFFD120D0):	/* NOC_IDLEACK */
+	case(0xFFD120D4):	/* NOC_IDLESTATUS */
+	case(0xFFD12200):	/* BOOT_SCRATCH_COLD0 */
+	case(0xFFD12204):	/* BOOT_SCRATCH_COLD1 */
+	case(0xFFD12220):	/* BOOT_SCRATCH_COLD8 */
+	case(0xFFD12224):	/* BOOT_SCRATCH_COLD9 */
+		return 0;
+
+	default:
+		break;
+	}
+
+	return -1;
+}
+
+/* Secure register access */
+uint32_t intel_secure_reg_read(uint64_t reg_addr, uint32_t *retval)
+{
+	if (is_out_of_sec_range(reg_addr))
+		return INTEL_SIP_SMC_STATUS_ERROR;
+
+	*retval = mmio_read_32(reg_addr);
+
+	return INTEL_SIP_SMC_STATUS_OK;
+}
+
+uint32_t intel_secure_reg_write(uint64_t reg_addr, uint32_t val,
+				uint32_t *retval)
+{
+	if (is_out_of_sec_range(reg_addr))
+		return INTEL_SIP_SMC_STATUS_ERROR;
+
+	mmio_write_32(reg_addr, val);
+
+	return intel_secure_reg_read(reg_addr, retval);
+}
+
+uint32_t intel_secure_reg_update(uint64_t reg_addr, uint32_t mask,
+				 uint32_t val, uint32_t *retval)
+{
+	if (!intel_secure_reg_read(reg_addr, retval)) {
+		*retval &= ~mask;
+		*retval |= val;
+		return intel_secure_reg_write(reg_addr, *retval, retval);
+	}
+
+	return INTEL_SIP_SMC_STATUS_ERROR;
+}
+
 /*
  * This function is responsible for handling all SiP calls from the NS world
  */
@@ -283,6 +357,7 @@
 			 void *handle,
 			 u_register_t flags)
 {
+	uint32_t val = 0;
 	uint32_t status = INTEL_SIP_SMC_STATUS_OK;
 	uint32_t completed_addr[3];
 	uint32_t count = 0;
@@ -291,25 +366,25 @@
 	case SIP_SVC_UID:
 		/* Return UID to the caller */
 		SMC_UUID_RET(handle, intl_svc_uid);
-		break;
+
 	case INTEL_SIP_SMC_FPGA_CONFIG_ISDONE:
 		status = intel_mailbox_fpga_config_isdone();
 		SMC_RET4(handle, status, 0, 0, 0);
-		break;
+
 	case INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM:
 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
 			INTEL_SIP_SMC_FPGA_CONFIG_ADDR,
 			INTEL_SIP_SMC_FPGA_CONFIG_SIZE -
 				INTEL_SIP_SMC_FPGA_CONFIG_ADDR);
-		break;
+
 	case INTEL_SIP_SMC_FPGA_CONFIG_START:
 		status = intel_fpga_config_start(x1);
 		SMC_RET4(handle, status, 0, 0, 0);
-		break;
+
 	case INTEL_SIP_SMC_FPGA_CONFIG_WRITE:
 		status = intel_fpga_config_write(x1, x2);
 		SMC_RET4(handle, status, 0, 0, 0);
-		break;
+
 	case INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE:
 		status = intel_fpga_config_completed_write(completed_addr,
 								&count);
@@ -317,26 +392,38 @@
 		case 1:
 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
 				completed_addr[0], 0, 0);
-			break;
+
 		case 2:
 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
 				completed_addr[0],
 				completed_addr[1], 0);
-			break;
+
 		case 3:
 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
 				completed_addr[0],
 				completed_addr[1],
 				completed_addr[2]);
-			break;
+
 		case 0:
 			SMC_RET4(handle, status, 0, 0, 0);
-			break;
+
 		default:
 			mailbox_clear_response();
 			SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
 		}
-		break;
+
+	case INTEL_SIP_SMC_REG_READ:
+		status = intel_secure_reg_read(x1, &val);
+		SMC_RET3(handle, status, val, x1);
+
+	case INTEL_SIP_SMC_REG_WRITE:
+		status = intel_secure_reg_write(x1, (uint32_t)x2, &val);
+		SMC_RET3(handle, status, val, x1);
+
+	case INTEL_SIP_SMC_REG_UPDATE:
+		status = intel_secure_reg_update(x1, (uint32_t)x2,
+						 (uint32_t)x3, &val);
+		SMC_RET3(handle, status, val, x1);
 
 	default:
 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
diff --git a/plat/intel/soc/stratix10/include/s10_system_manager.h b/plat/intel/soc/stratix10/include/s10_system_manager.h
index a67d689..4abfedb 100644
--- a/plat/intel/soc/stratix10/include/s10_system_manager.h
+++ b/plat/intel/soc/stratix10/include/s10_system_manager.h
@@ -69,5 +69,3 @@
 
 #define DISABLE_L4_FIREWALL	(BIT(0) | BIT(16) | BIT(24))
 
-void enable_nonsecure_access(void);
-
diff --git a/plat/intel/soc/stratix10/soc/s10_memory_controller.c b/plat/intel/soc/stratix10/soc/s10_memory_controller.c
index ed06f54..cb45251 100644
--- a/plat/intel/soc/stratix10/soc/s10_memory_controller.c
+++ b/plat/intel/soc/stratix10/soc/s10_memory_controller.c
@@ -22,10 +22,9 @@
 #define MAX_MEM_CAL_RETRY		3
 #define PRE_CALIBRATION_DELAY		1
 #define POST_CALIBRATION_DELAY		1
-#define TIMEOUT_EMIF_CALIBRATION	100
-#define CLEAR_EMIF_DELAY		50000
-#define CLEAR_EMIF_TIMEOUT		0x100000
-#define TIMEOUT_INT_RESP		10000
+#define TIMEOUT_EMIF_CALIBRATION	1000
+#define CLEAR_EMIF_DELAY		1000
+#define CLEAR_EMIF_TIMEOUT		1000
 
 #define DDR_CONFIG(A, B, C, R)	(((A) << 24) | ((B) << 16) | ((C) << 8) | (R))
 #define DDR_CONFIG_ELEMENTS	(sizeof(ddr_config)/sizeof(uint32_t))
@@ -128,13 +127,13 @@
 			data = mmio_read_32(S10_MPFE_HMC_ADP_DDRCALSTAT);
 			if (S10_MPFE_HMC_ADP_DDRCALSTAT_CAL(data) == 1)
 				break;
-			udelay(1);
+			udelay(500);
 		} while (++timeout < TIMEOUT_EMIF_CALIBRATION);
 
 		if (S10_MPFE_HMC_ADP_DDRCALSTAT_CAL(data) == 0) {
 			status = clear_emif();
-		if (status)
-			ERROR("Failed to clear Emif\n");
+			if (status)
+				ERROR("Failed to clear Emif\n");
 		} else {
 			break;
 		}
diff --git a/plat/marvell/a8k/common/a8k_common.mk b/plat/marvell/a8k/common/a8k_common.mk
index ccb662b..bf79ebe 100644
--- a/plat/marvell/a8k/common/a8k_common.mk
+++ b/plat/marvell/a8k/common/a8k_common.mk
@@ -37,6 +37,13 @@
 ROM_BIN_EXT ?= $(BUILD_PLAT)/ble.bin
 DOIMAGE_FLAGS	+= -b $(ROM_BIN_EXT) $(NAND_DOIMAGE_FLAGS) $(DOIMAGE_SEC_FLAGS)
 
+# Check whether to build system_power.c for the platform
+ifneq ("$(wildcard $(PLAT_FAMILY_BASE)/$(PLAT)/board/system_power.c)","")
+SYSTEM_POWER_SUPPORT = 1
+else
+SYSTEM_POWER_SUPPORT = 0
+endif
+
 # This define specifies DDR type for BLE
 $(eval $(call add_define,CONFIG_DDR4))
 
@@ -82,6 +89,10 @@
 
 BL31_PORTING_SOURCES	:=	$(PLAT_FAMILY_BASE)/$(PLAT)/board/marvell_plat_config.c
 
+ifeq ($(SYSTEM_POWER_SUPPORT),1)
+BL31_PORTING_SOURCES	+=	$(PLAT_FAMILY_BASE)/$(PLAT)/board/system_power.c
+endif
+
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a72.S		       \
 				$(PLAT_COMMON_BASE)/aarch64/plat_helpers.S     \
 				$(PLAT_COMMON_BASE)/aarch64/plat_arch_config.c \
diff --git a/plat/marvell/a8k/common/plat_pm.c b/plat/marvell/a8k/common/plat_pm.c
index d07601a..96e95c2 100644
--- a/plat/marvell/a8k/common/plat_pm.c
+++ b/plat/marvell/a8k/common/plat_pm.c
@@ -792,8 +792,20 @@
  * A8K handlers to shutdown/reboot the system
  *****************************************************************************
  */
+
+/* Set a weak stub for platforms that don't configure system power off */
+#pragma weak system_power_off
+int system_power_off(void)
+{
+	return 0;
+}
+
 static void __dead2 a8k_system_off(void)
 {
+	/* Call the platform specific system power off function */
+	system_power_off();
+
+	/* board doesn't have a system off implementation */
 	ERROR("%s:  needs to be implemented\n", __func__);
 	panic();
 }
diff --git a/plat/mediatek/mt8173/drivers/spm/spm.h b/plat/mediatek/mt8173/drivers/spm/spm.h
index 403303a..0c05410 100644
--- a/plat/mediatek/mt8173/drivers/spm/spm.h
+++ b/plat/mediatek/mt8173/drivers/spm/spm.h
@@ -320,7 +320,6 @@
 void spm_go_to_hotplug(void);
 void spm_init_event_vector(const struct pcm_desc *pcmdesc);
 void spm_kick_im_to_fetch(const struct pcm_desc *pcmdesc);
-void spm_set_sysclk_settle(void);
 int is_mcdi_ready(void);
 int is_hotplug_ready(void);
 int is_suspend_ready(void);
diff --git a/plat/nvidia/tegra/include/drivers/bpmp_ipc.h b/plat/nvidia/tegra/include/drivers/bpmp_ipc.h
index 0d1e405..a0d02c9 100644
--- a/plat/nvidia/tegra/include/drivers/bpmp_ipc.h
+++ b/plat/nvidia/tegra/include/drivers/bpmp_ipc.h
@@ -1,11 +1,12 @@
 /*
  * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __BPMP_IPC_H__
-#define __BPMP_IPC_H__
+#ifndef BPMP_IPC_H
+#define BPMP_IPC_H
 
 #include <lib/utils_def.h>
 #include <stdbool.h>
@@ -44,4 +45,4 @@
  */
 int tegra_bpmp_ipc_disable_clock(uint32_t clk_id);
 
-#endif /* __BPMP_IPC_H__ */
+#endif /* BPMP_IPC_H */
diff --git a/plat/nvidia/tegra/include/drivers/gpcdma.h b/plat/nvidia/tegra/include/drivers/gpcdma.h
index fb5486a..a59df37 100644
--- a/plat/nvidia/tegra/include/drivers/gpcdma.h
+++ b/plat/nvidia/tegra/include/drivers/gpcdma.h
@@ -1,11 +1,12 @@
 /*
  * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __GPCDMA_H__
-#define __GPCDMA_H__
+#ifndef GPCDMA_H
+#define GPCDMA_H
 
 #include <stdint.h>
 
@@ -13,4 +14,4 @@
 			    uint32_t num_bytes);
 void tegra_gpcdma_zeromem(uint64_t dst_addr, uint32_t num_bytes);
 
-#endif /* __GPCDMA_H__ */
+#endif /* GPCDMA_H */
diff --git a/plat/nvidia/tegra/include/drivers/security_engine.h b/plat/nvidia/tegra/include/drivers/security_engine.h
index 4ab2f9a..8a24924 100644
--- a/plat/nvidia/tegra/include/drivers/security_engine.h
+++ b/plat/nvidia/tegra/include/drivers/security_engine.h
@@ -1,5 +1,5 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
  * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
diff --git a/plat/nvidia/tegra/include/drivers/tegra_gic.h b/plat/nvidia/tegra/include/drivers/tegra_gic.h
index 6106b40..6661dff 100644
--- a/plat/nvidia/tegra/include/drivers/tegra_gic.h
+++ b/plat/nvidia/tegra/include/drivers/tegra_gic.h
@@ -1,11 +1,12 @@
 /*
  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __TEGRA_GIC_H__
-#define __TEGRA_GIC_H__
+#ifndef TEGRA_GIC_H
+#define TEGRA_GIC_H
 
 #include <common/interrupt_props.h>
 
@@ -26,4 +27,4 @@
 void tegra_gic_setup(const interrupt_prop_t *interrupt_props,
 		     unsigned int interrupt_props_num);
 
-#endif /* __TEGRA_GIC_H__ */
+#endif /* TEGRA_GIC_H */
diff --git a/plat/nvidia/tegra/include/lib/profiler.h b/plat/nvidia/tegra/include/lib/profiler.h
index 60f8d80..684c872 100644
--- a/plat/nvidia/tegra/include/lib/profiler.h
+++ b/plat/nvidia/tegra/include/lib/profiler.h
@@ -1,11 +1,12 @@
 /*
  * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PROFILER_H__
-#define __PROFILER_H__
+#ifndef PROFILER_H
+#define PROFILER_H
 
 /*******************************************************************************
  * Number of bytes of memory used by the profiler on Tegra
@@ -16,4 +17,4 @@
 void boot_profiler_add_record(const char *str);
 void boot_profiler_deinit(void);
 
-#endif /* __PROFILER_H__ */
+#endif /* PROFILER_H */
diff --git a/plat/nvidia/tegra/include/t194/tegra194_private.h b/plat/nvidia/tegra/include/t194/tegra194_private.h
index e519cdc..8f1deb2 100644
--- a/plat/nvidia/tegra/include/t194/tegra194_private.h
+++ b/plat/nvidia/tegra/include/t194/tegra194_private.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __TEGRA194_PRIVATE_H__
-#define __TEGRA194_PRIVATE_H__
+#ifndef TEGRA194_PRIVATE_H
+#define TEGRA194_PRIVATE_H
 
 void tegra194_cpu_reset_handler(void);
 uint64_t tegra194_get_cpu_reset_handler_base(void);
@@ -13,4 +13,4 @@
 uint64_t tegra194_get_smmu_ctx_offset(void);
 void tegra194_set_system_suspend_entry(void);
 
-#endif /* __TEGRA194_PRIVATE_H__ */
+#endif /* TEGRA194_PRIVATE_H */
diff --git a/plat/nvidia/tegra/include/t194/tegra_def.h b/plat/nvidia/tegra/include/t194/tegra_def.h
index 67f5abb..e20b2c6 100644
--- a/plat/nvidia/tegra/include/t194/tegra_def.h
+++ b/plat/nvidia/tegra/include/t194/tegra_def.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __TEGRA_DEF_H__
-#define __TEGRA_DEF_H__
+#ifndef TEGRA_DEF_H
+#define TEGRA_DEF_H
 
 #include <lib/utils_def.h>
 
@@ -237,4 +237,4 @@
 #define TEGRA_SID_XUSB_VF2			U(0x5f)
 #define TEGRA_SID_XUSB_VF3			U(0x60)
 
-#endif /* __TEGRA_DEF_H__ */
+#endif /* TEGRA_DEF_H */
diff --git a/plat/nvidia/tegra/include/t194/tegra_mc_def.h b/plat/nvidia/tegra/include/t194/tegra_mc_def.h
index e0444c1..1433a2e 100644
--- a/plat/nvidia/tegra/include/t194/tegra_mc_def.h
+++ b/plat/nvidia/tegra/include/t194/tegra_mc_def.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __TEGRA_MC_DEF_H__
-#define __TEGRA_MC_DEF_H__
+#ifndef TEGRA_MC_DEF_H
+#define TEGRA_MC_DEF_H
 
 /*******************************************************************************
  * Memory Controller Order_id registers
@@ -647,4 +647,4 @@
 #define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK			(ULL(0x3) << 11)
 #define TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU			(ULL(0) << 11)
 
-#endif /* __TEGRA_MC_DEF_H__ */
+#endif /* TEGRA_MC_DEF_H */
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index cd2f773..761acde 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -137,7 +137,6 @@
 void tegra_delay_timer_init(void);
 
 void tegra_secure_entrypoint(void);
-void tegra186_cpu_reset_handler(void);
 
 /* Declarations for tegra_sip_calls.c */
 uintptr_t tegra_sip_handler(uint32_t smc_fid,
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
index 3994b2d..226ab5b 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __MCE_PRIVATE_H__
-#define __MCE_PRIVATE_H__
+#ifndef MCE_PRIVATE_H
+#define MCE_PRIVATE_H
 
 #include <tegra_def.h>
 
@@ -66,10 +66,9 @@
 uint64_t nvg_cache_clean(void);
 uint64_t nvg_cache_clean_inval(void);
 uint64_t nvg_cache_inval_all(void);
-int32_t nvg_roc_clean_cache_trbits(void);
 void nvg_enable_strict_checking_mode(void);
 
 /* MCE helper functions */
 void mce_enable_strict_checking(void);
 
-#endif /* __MCE_PRIVATE_H__ */
+#endif /* MCE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/se.h b/plat/nvidia/tegra/soc/t194/drivers/include/se.h
index 6e656f6..e7cf88d 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/include/se.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/se.h
@@ -1,13 +1,13 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SE_H__
-#define __SE_H__
+#ifndef SE_H
+#define SE_H
 
 int32_t tegra_se_suspend(void);
 void tegra_se_resume(void);
 
-#endif /* __SE_H__ */
+#endif /* SE_H */
diff --git a/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c b/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c
index 1dd1f51..536ed57 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c
+++ b/plat/nvidia/tegra/soc/t194/drivers/mce/nvg.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -165,7 +165,7 @@
 	/* sanity check the core ID value */
 	if (core > (uint32_t)PLATFORM_CORE_COUNT) {
 		ERROR("%s: unknown core id (%d)\n", __func__, core);
-		ret = EINVAL;
+		ret = -EINVAL;
 	} else {
 		/* get a core online */
 		nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_ONLINE_CORE,
@@ -183,15 +183,15 @@
  */
 int32_t nvg_update_ccplex_gsc(uint32_t gsc_idx)
 {
-	int32_t ret;
+	int32_t ret = 0;
 
 	/* sanity check GSC ID */
 	if (gsc_idx > (uint32_t)TEGRA_NVG_CHANNEL_UPDATE_GSC_VPR) {
 		ERROR("%s: unknown gsc_idx (%u)\n", __func__, gsc_idx);
-		ret = EINVAL;
+		ret = -EINVAL;
 	} else {
 		nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_UPDATE_CCPLEX_GSC,
-								(uint64_t)gsc_idx);
+				     (uint64_t)gsc_idx);
 	}
 
 	return ret;
@@ -209,11 +209,12 @@
 			ID_AFR0_EL1_CACHE_OPS_MASK) == 1U) {
 		if (nvg_cache_clean() == 0U) {
 			ERROR("%s: failed\n", __func__);
-			ret = EINVAL;
+			ret = -ENODEV;
 		}
 	} else {
-		ret = EINVAL;
+		ret = -ENOTSUP;
 	}
+
 	return ret;
 }
 
@@ -229,11 +230,12 @@
 			ID_AFR0_EL1_CACHE_OPS_MASK) == 1U) {
 		if (nvg_cache_clean_inval() == 0U) {
 			ERROR("%s: failed\n", __func__);
-			ret = EINVAL;
+			ret = -ENODEV;
 		}
 	} else {
-		ret = EINVAL;
+		ret = -ENOTSUP;
 	}
+
 	return ret;
 }
 
@@ -249,11 +251,12 @@
 			ID_AFR0_EL1_CACHE_OPS_MASK) == 1U) {
 		if (nvg_cache_inval_all() == 0U) {
 			ERROR("%s: failed\n", __func__);
-			ret = EINVAL;
+			ret = -ENODEV;
 		}
 	} else {
-		ret = EINVAL;
+		ret = -ENOTSUP;
 	}
+
 	return ret;
 }
 
@@ -271,8 +274,8 @@
 	    (state != (uint32_t)TEGRA_NVG_CORE_C6) &&
 		(state != (uint32_t)TEGRA_NVG_CORE_C7))
 	{
-		ERROR("%s: unknown cstate (%d)\n", __func__, state);
-		ret = EINVAL;
+		ERROR("%s: unknown cstate (%u)\n", __func__, state);
+		ret = -EINVAL;
 	} else {
 		/* time (TSC ticks) until the core is expected to get a wake event */
 		nvg_set_wake_time(wake_time);
diff --git a/plat/nvidia/tegra/soc/t194/drivers/se/se.c b/plat/nvidia/tegra/soc/t194/drivers/se/se.c
index 3df670c..a9f4610 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/se/se.c
+++ b/plat/nvidia/tegra/soc/t194/drivers/se/se.c
@@ -1,4 +1,5 @@
-/*
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
  * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
diff --git a/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h b/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
index 7d531bb..a2c5d1c 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/se/se_private.h
@@ -1,11 +1,12 @@
-/*
- * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SE_PRIVATE_H__
-#define __SE_PRIVATE_H__
+#ifndef SE_PRIVATE_H
+#define SE_PRIVATE_H
 
 #include <lib/utils_def.h>
 
@@ -81,4 +82,4 @@
 	mmio_write_32(TEGRA_SE0_BASE + offset, val);
 }
 
-#endif /* __SE_PRIVATE_H__ */
+#endif /* SE_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
index 1188a3b..fa5ba62 100644
--- a/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
@@ -26,7 +26,6 @@
 #include <tegra_platform.h>
 #include <tegra_private.h>
 
-extern void tegra194_cpu_reset_handler(void);
 extern uint32_t __tegra194_cpu_reset_handler_data,
 		__tegra194_cpu_reset_handler_end;
 
diff --git a/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h b/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h
index be1f9cc..352107d 100644
--- a/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h
+++ b/plat/nvidia/tegra/soc/t210/drivers/se/se_private.h
@@ -1,5 +1,5 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
  * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
diff --git a/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c b/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c
index 8d7dbf9..d5e0491 100644
--- a/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c
+++ b/plat/nvidia/tegra/soc/t210/drivers/se/security_engine.c
@@ -1,5 +1,5 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
  * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
diff --git a/plat/renesas/rcar/bl2_plat_mem_params_desc.c b/plat/renesas/rcar/bl2_plat_mem_params_desc.c
index 3b124c7..bf2706d 100644
--- a/plat/renesas/rcar/bl2_plat_mem_params_desc.c
+++ b/plat/renesas/rcar/bl2_plat_mem_params_desc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -53,6 +53,7 @@
 			entry_point_info_t, SECURE | EXECUTABLE),
 		.ep_info.pc = BL32_BASE,
 		.ep_info.spsr = 0,
+		.ep_info.args.arg3 = (uintptr_t)fdt_blob,
 
 		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
 			image_info_t, 0),
diff --git a/plat/renesas/rcar/bl2_plat_setup.c b/plat/renesas/rcar/bl2_plat_setup.c
index b4762f3..193d80e 100644
--- a/plat/renesas/rcar/bl2_plat_setup.c
+++ b/plat/renesas/rcar/bl2_plat_setup.c
@@ -415,6 +415,9 @@
 	uint32_t reg;
 	int ret;
 
+	fdt_setprop_u32(dt, 0, "#address-cells", 2);
+	fdt_setprop_u32(dt, 0, "#size-cells", 2);
+
 	/* Populate compatible string */
 	rcar_get_board_type(&board_type, &board_rev);
 	switch (board_type) {
diff --git a/plat/renesas/rcar/platform.mk b/plat/renesas/rcar/platform.mk
index dc58e19..4c41dd3 100644
--- a/plat/renesas/rcar/platform.mk
+++ b/plat/renesas/rcar/platform.mk
@@ -348,12 +348,12 @@
 ERRATA_A57_859972  := 1
 ERRATA_A57_813419  := 1
 
-include drivers/staging/renesas/rcar/ddr/ddr.mk
+include drivers/renesas/rcar/ddr/ddr.mk
 include drivers/renesas/rcar/qos/qos.mk
 include drivers/renesas/rcar/pfc/pfc.mk
 include lib/libfdt/libfdt.mk
 
-PLAT_INCLUDES	:=	-Idrivers/staging/renesas/rcar/ddr	\
+PLAT_INCLUDES	:=	-Idrivers/renesas/rcar/ddr		\
 			-Idrivers/renesas/rcar/qos		\
 			-Idrivers/renesas/rcar/iic_dvfs		\
 			-Idrivers/renesas/rcar/board		\
diff --git a/plat/rockchip/rk3328/drivers/soc/soc.h b/plat/rockchip/rk3328/drivers/soc/soc.h
index a1f35b2..e8cbc09 100644
--- a/plat/rockchip/rk3328/drivers/soc/soc.h
+++ b/plat/rockchip/rk3328/drivers/soc/soc.h
@@ -16,8 +16,6 @@
 #define TIMER_INTSTATUS		0x18
 #define TIMER_EN		0x1
 
-extern const unsigned char rockchip_power_domain_tree_desc[];
-
 /**************************** read/write **************************************/
 #ifndef BITS_WMSK
 #define BITS_WMSK(msk, shift)	((msk) << (shift + REG_MSK_SHIFT))
diff --git a/plat/rpi/rpi4/aarch64/plat_helpers.S b/plat/rpi/rpi4/aarch64/plat_helpers.S
index 46073b7..083c30e 100644
--- a/plat/rpi/rpi4/aarch64/plat_helpers.S
+++ b/plat/rpi/rpi4/aarch64/plat_helpers.S
@@ -136,8 +136,8 @@
 	 */
 func plat_crash_console_init
 	mov_imm	x0, PLAT_RPI3_UART_BASE
-	mov_imm	x1, PLAT_RPI4_VPU_CLK_RATE
-	mov_imm	x2, PLAT_RPI3_UART_BAUDRATE
+	mov	x1, xzr
+	mov	x2, xzr
 	b	console_16550_core_init
 endfunc plat_crash_console_init
 
diff --git a/plat/rpi/rpi4/include/rpi_hw.h b/plat/rpi/rpi4/include/rpi_hw.h
index ed367ee..b1dd4e9 100644
--- a/plat/rpi/rpi4/include/rpi_hw.h
+++ b/plat/rpi/rpi4/include/rpi_hw.h
@@ -59,13 +59,6 @@
 #define RPI3_PM_RSTS_WRCFG_HALT		U(0x00000555)
 
 /*
- * Clock controller
- */
-#define RPI4_IO_CLOCK_OFFSET		ULL(0x00101000)
-#define RPI4_CLOCK_BASE			(RPI_IO_BASE + RPI4_IO_CLOCK_OFFSET)
-#define RPI4_VPU_CLOCK_DIVIDER		ULL(0x0000000c)
-
-/*
  * Hardware random number generator.
  */
 #define RPI3_IO_RNG_OFFSET		ULL(0x00104000)
@@ -88,7 +81,6 @@
  */
 #define RPI3_IO_MINI_UART_OFFSET	ULL(0x00215040)
 #define RPI3_MINI_UART_BASE		(RPI_IO_BASE + RPI3_IO_MINI_UART_OFFSET)
-#define PLAT_RPI4_VPU_CLK_RATE		ULL(1000000000)
 
 /*
  * GPIO controller
diff --git a/plat/rpi/rpi4/rpi4_bl31_setup.c b/plat/rpi/rpi4/rpi4_bl31_setup.c
index 53ab0c2..9e3b539 100644
--- a/plat/rpi/rpi4/rpi4_bl31_setup.c
+++ b/plat/rpi/rpi4/rpi4_bl31_setup.c
@@ -119,8 +119,6 @@
 				u_register_t arg2, u_register_t arg3)
 
 {
-	uint32_t div_reg;
-
 	/*
 	 * LOCAL_CONTROL:
 	 * Bit 9 clear: Increment by 1 (vs. 2).
@@ -136,16 +134,12 @@
 
 	/*
 	 * Initialize the console to provide early debug support.
-	 * Different GPU firmware revisions set up the VPU divider differently,
-	 * so read the actual divider register to learn the UART base clock
-	 * rate. The divider is encoded as a 12.12 fixed point number, but we
-	 * just care about the integer part of it.
+	 * We rely on the GPU firmware to have initialised the UART correctly,
+	 * as the baud base clock rate differs across GPU firmware revisions.
+	 * Providing a base clock of 0 lets the 16550 UART init routine skip
+	 * the initial enablement and baud rate setup.
 	 */
-	div_reg = mmio_read_32(RPI4_CLOCK_BASE + RPI4_VPU_CLOCK_DIVIDER);
-	div_reg = (div_reg >> 12) & 0xfff;
-	if (div_reg == 0)
-		div_reg = 1;
-	rpi3_console_init(PLAT_RPI4_VPU_CLK_RATE / div_reg);
+	rpi3_console_init(0);
 
 	bl33_image_ep_info.pc = plat_get_ns_image_entrypoint();
 	bl33_image_ep_info.spsr = rpi3_get_spsr_for_bl33_entry();
diff --git a/plat/socionext/uniphier/platform.mk b/plat/socionext/uniphier/platform.mk
index d974584..d31fbe8 100644
--- a/plat/socionext/uniphier/platform.mk
+++ b/plat/socionext/uniphier/platform.mk
@@ -60,6 +60,7 @@
 				plat/common/plat_gicv3.c		\
 				plat/common/plat_psci_common.c		\
 				$(PLAT_PATH)/uniphier_bl31_setup.c	\
+				$(PLAT_PATH)/uniphier_boot_device.c	\
 				$(PLAT_PATH)/uniphier_cci.c		\
 				$(PLAT_PATH)/uniphier_gicv3.c		\
 				$(PLAT_PATH)/uniphier_psci.c		\
diff --git a/plat/socionext/uniphier/uniphier_psci.c b/plat/socionext/uniphier/uniphier_psci.c
index 464252d..2acc874 100644
--- a/plat/socionext/uniphier/uniphier_psci.c
+++ b/plat/socionext/uniphier/uniphier_psci.c
@@ -6,6 +6,7 @@
 
 #include <arch_helpers.h>
 #include <common/debug.h>
+#include <errno.h>
 #include <lib/mmio.h>
 #include <lib/psci/psci.h>
 
@@ -113,17 +114,27 @@
 int plat_setup_psci_ops(uintptr_t sec_entrypoint,
 			const struct plat_psci_ops **psci_ops)
 {
+	unsigned int soc;
+
+	soc = uniphier_get_soc_id();
+	if (soc == UNIPHIER_SOC_UNKNOWN) {
+		ERROR("unsupported SoC\n");
+		return -ENOTSUP;
+	}
+
+	if (uniphier_get_boot_master(soc) == UNIPHIER_BOOT_MASTER_SCP) {
+		uniphier_psci_scp_mode = uniphier_scp_is_running();
+		flush_dcache_range((uint64_t)&uniphier_psci_scp_mode,
+				   sizeof(uniphier_psci_scp_mode));
+
+		if (uniphier_psci_scp_mode)
+			uniphier_scp_open_com();
+	}
+
 	uniphier_sec_entrypoint = sec_entrypoint;
 	flush_dcache_range((uint64_t)&uniphier_sec_entrypoint,
 			   sizeof(uniphier_sec_entrypoint));
 
-	uniphier_psci_scp_mode = uniphier_scp_is_running();
-	flush_dcache_range((uint64_t)&uniphier_psci_scp_mode,
-			   sizeof(uniphier_psci_scp_mode));
-
-	if (uniphier_psci_scp_mode)
-		uniphier_scp_open_com();
-
 	*psci_ops = &uniphier_psci_ops;
 
 	return 0;