Merge "Simplify PMF helper macro definitions across header files" into integration
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/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/allwinner.rst b/docs/plat/allwinner.rst
index a1e0659..5c905d8 100644
--- a/docs/plat/allwinner.rst
+++ b/docs/plat/allwinner.rst
@@ -26,13 +26,13 @@
 
 .. code:: shell
 
-    make CROSS_COMPILE=aarch64-linux-gnu- PLAT=sun50i_a64 DEBUG=1 bl31
+    make CROSS_COMPILE=aarch64-none-elf- PLAT=sun50i_a64 DEBUG=1 bl31
 
 To build for machines with an H6 SoC:
 
 .. code:: shell
 
-    make CROSS_COMPILE=aarch64-linux-gnu- PLAT=sun50i_h6 DEBUG=1 bl31
+    make CROSS_COMPILE=aarch64-none-elf- PLAT=sun50i_h6 DEBUG=1 bl31
 
 .. _U-Boot documentation: http://git.denx.de/?p=u-boot.git;f=board/sunxi/README.sunxi64;hb=HEAD
 
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/hikey.rst b/docs/plat/hikey.rst
index 372d388..d7a01a8 100644
--- a/docs/plat/hikey.rst
+++ b/docs/plat/hikey.rst
@@ -78,7 +78,7 @@
        EDK2_OUTPUT_DIR=${EDK2_DIR}/Build/HiKey/${BUILD_OPTION}_${AARCH64_TOOLCHAIN}
        # Build fastboot for Trusted Firmware-A. It's used for recovery mode.
        cd ${BUILD_PATH}/atf-fastboot
-       CROSS_COMPILE=aarch64-linux-gnu- make PLAT=hikey DEBUG=1
+       CROSS_COMPILE=aarch64-none-elf- make PLAT=hikey DEBUG=1
        # Convert DEBUG/RELEASE to debug/release
        FASTBOOT_BUILD_OPTION=$(echo ${BUILD_OPTION} | tr '[A-Z]' '[a-z]')
        cd ${EDK2_DIR}
diff --git a/docs/plat/imx8.rst b/docs/plat/imx8.rst
index 49ba374..cec1a39 100644
--- a/docs/plat/imx8.rst
+++ b/docs/plat/imx8.rst
@@ -40,7 +40,7 @@
 
    .. code:: shell
 
-       CROSS_COMPILE=aarch64-linux-gnu- make PLAT=<Target_SoC> bl31
+       CROSS_COMPILE=aarch64-none-elf- make PLAT=<Target_SoC> bl31
 
    Target_SoC should be "imx8qm" for i.MX8QM SoC.
    Target_SoC should be "imx8qx" for i.MX8QX SoC.
diff --git a/docs/plat/imx8m.rst b/docs/plat/imx8m.rst
index 8acd13c..0116b34 100644
--- a/docs/plat/imx8m.rst
+++ b/docs/plat/imx8m.rst
@@ -28,7 +28,7 @@
 
    .. code:: shell
 
-       CROSS_COMPILE=aarch64-linux-gnu- make PLAT=<Target_SoC> bl31
+       CROSS_COMPILE=aarch64-none-elf- make PLAT=<Target_SoC> bl31
 
    Target_SoC should be "imx8mq" for i.MX8MQ SoC.
    Target_SoC should be "imx8mm" for i.MX8MM SoC.
diff --git a/docs/plat/intel-agilex.rst b/docs/plat/intel-agilex.rst
index ff27b6b..f60bf14 100644
--- a/docs/plat/intel-agilex.rst
+++ b/docs/plat/intel-agilex.rst
@@ -41,7 +41,7 @@
 
 .. code:: bash
 
-       make CROSS_COMPILE=aarch64-linux-gnu- bl2 fip PLAT=agilex
+       make CROSS_COMPILE=aarch64-none-elf- bl2 fip PLAT=agilex
        BL33=PEI.ROM
 
 Install Procedure
diff --git a/docs/plat/intel-stratix10.rst b/docs/plat/intel-stratix10.rst
index 7f8d18e..5f33d12 100644
--- a/docs/plat/intel-stratix10.rst
+++ b/docs/plat/intel-stratix10.rst
@@ -41,7 +41,7 @@
 
 .. code:: bash
 
-       make CROSS_COMPILE=aarch64-linux-gnu- bl2 fip PLAT=stratix10
+       make CROSS_COMPILE=aarch64-none-elf- bl2 fip PLAT=stratix10
        BL33=PEI.ROM
 
 Install Procedure
diff --git a/docs/plat/ls1043a.rst b/docs/plat/ls1043a.rst
index 72a51f3..5a8f755 100644
--- a/docs/plat/ls1043a.rst
+++ b/docs/plat/ls1043a.rst
@@ -59,13 +59,13 @@
 
    .. code:: shell
 
-       CROSS_COMPILE=aarch64-linux-gnu- make PLAT=ls1043 bl1
+       CROSS_COMPILE=aarch64-none-elf- make PLAT=ls1043 bl1
 
    Build fip:
 
    .. code:: shell
 
-       CROSS_COMPILE=aarch64-linux-gnu- make PLAT=ls1043 fip \
+       CROSS_COMPILE=aarch64-none-elf- make PLAT=ls1043 fip \
        BL33=u-boot.bin NEED_BL32=yes BL32=tee.bin SPD=opteed
 
 Deploy TF-A Images
diff --git a/docs/plat/marvell/build.rst b/docs/plat/marvell/build.rst
index c10bcff..d0e37c6 100644
--- a/docs/plat/marvell/build.rst
+++ b/docs/plat/marvell/build.rst
@@ -9,7 +9,7 @@
 
     .. code:: shell
 
-        > export CROSS_COMPILE=/path/to/toolchain/aarch64-linux-gnu-
+        > export CROSS_COMPILE=/path/to/toolchain/aarch64-none-elf-
 
 (2) Set path for FIP images:
 
diff --git a/docs/plat/meson-g12a.rst b/docs/plat/meson-g12a.rst
index 7cd1bf7..8b06cc2 100644
--- a/docs/plat/meson-g12a.rst
+++ b/docs/plat/meson-g12a.rst
@@ -17,7 +17,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make DEBUG=1 PLAT=g12a
+    CROSS_COMPILE=aarch64-none-elf- make DEBUG=1 PLAT=g12a
 
 This port has been tested on a SEI510 board. After building it, follow the
 instructions in the `gxlimg repository` or `U-Boot repository`_, replacing the
diff --git a/docs/plat/meson-gxbb.rst b/docs/plat/meson-gxbb.rst
index 2cd8342..f891ecd 100644
--- a/docs/plat/meson-gxbb.rst
+++ b/docs/plat/meson-gxbb.rst
@@ -17,7 +17,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make DEBUG=1 PLAT=gxbb bl31
+    CROSS_COMPILE=aarch64-none-elf- make DEBUG=1 PLAT=gxbb bl31
 
 This port has been tested in a ODROID-C2. After building it, follow the
 instructions in the `U-Boot repository`_, replacing the mentioned **bl31.bin**
diff --git a/docs/plat/meson-gxl.rst b/docs/plat/meson-gxl.rst
index c6d8504..170d7c7 100644
--- a/docs/plat/meson-gxl.rst
+++ b/docs/plat/meson-gxl.rst
@@ -17,7 +17,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make DEBUG=1 PLAT=gxl
+    CROSS_COMPILE=aarch64-none-elf- make DEBUG=1 PLAT=gxl
 
 This port has been tested on a Lepotato. After building it, follow the
 instructions in the `gxlimg repository` or `U-Boot repository`_, replacing the
diff --git a/docs/plat/mt8183.rst b/docs/plat/mt8183.rst
index c639be1..7a0830f 100644
--- a/docs/plat/mt8183.rst
+++ b/docs/plat/mt8183.rst
@@ -17,4 +17,4 @@
 
 .. code:: shell
 
-    make CROSS_COMPILE=aarch64-linux-gnu- PLAT=mt8183 DEBUG=1
+    make CROSS_COMPILE=aarch64-none-elf- PLAT=mt8183 DEBUG=1
diff --git a/docs/plat/poplar.rst b/docs/plat/poplar.rst
index 215f551..040b593 100644
--- a/docs/plat/poplar.rst
+++ b/docs/plat/poplar.rst
@@ -68,7 +68,7 @@
 
 .. code:: bash
 
-       make CROSS_COMPILE=aarch64-linux-gnu-  all fip SPD=none PLAT=poplar
+       make CROSS_COMPILE=aarch64-none-elf- all fip SPD=none PLAT=poplar
        BL33=u-boot.bin
 
 -  Build l-loader (generated the final fastboot.bin)
diff --git a/docs/plat/qemu-sbsa.rst b/docs/plat/qemu-sbsa.rst
index 51fe414..5e8535c 100644
--- a/docs/plat/qemu-sbsa.rst
+++ b/docs/plat/qemu-sbsa.rst
@@ -27,7 +27,7 @@
 
     git clone https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git tfa
     cd tfa
-    export CROSS_COMPILE=aarch64-linux-gnu-
+    export CROSS_COMPILE=aarch64-none-elf-
     make PLAT=qemu_sbsa all fip
 
 Images will be placed at build/qemu_sbsa/release (bl1.bin and fip.bin).
diff --git a/docs/plat/rockchip.rst b/docs/plat/rockchip.rst
index b7c43fb..2c3c38f 100644
--- a/docs/plat/rockchip.rst
+++ b/docs/plat/rockchip.rst
@@ -35,7 +35,7 @@
 
 For AARCH64 architectures the build command looks like
 
-    make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3399 bl32
+    make CROSS_COMPILE=aarch64-none-elf- PLAT=rk3399 bl32
 
 while AARCH32 needs a slightly different command
 
diff --git a/docs/plat/rpi3.rst b/docs/plat/rpi3.rst
index 38c3dfa..5c7b6d5 100644
--- a/docs/plat/rpi3.rst
+++ b/docs/plat/rpi3.rst
@@ -315,7 +315,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi3             \
+    CROSS_COMPILE=aarch64-none-elf- make PLAT=rpi3             \
     RPI3_BL33_IN_AARCH32=1                                      \
     BL33=../rpi3-arm-tf-bootstrap/aarch32/el2-bootstrap.bin
 
@@ -323,7 +323,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi3             \
+    CROSS_COMPILE=aarch64-none-elf- make PLAT=rpi3             \
     BL33=../rpi3-arm-tf-bootstrap/aarch64/el2-bootstrap.bin
 
 However, enabling PSCI support in a 64-bit kernel is really easy. In the
@@ -340,7 +340,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi3             \
+    CROSS_COMPILE=aarch64-none-elf- make PLAT=rpi3             \
     PRELOADED_BL33_BASE=0x02000000                              \
     RPI3_PRELOADED_DTB_BASE=0x01000000                          \
     RPI3_DIRECT_LINUX_BOOT=1
@@ -349,7 +349,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi3             \
+    CROSS_COMPILE=aarch64-none-elf- make PLAT=rpi3             \
     PRELOADED_BL33_BASE=0x02000000                              \
     RPI3_PRELOADED_DTB_BASE=0x01000000                          \
     RPI3_DIRECT_LINUX_BOOT=1                                    \
diff --git a/docs/plat/rpi4.rst b/docs/plat/rpi4.rst
index 0f529c1..e87aef7 100644
--- a/docs/plat/rpi4.rst
+++ b/docs/plat/rpi4.rst
@@ -22,7 +22,7 @@
 
 .. code:: shell
 
-    CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi4 DEBUG=1
+    CROSS_COMPILE=aarch64-none-elf- 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=``,
diff --git a/docs/plat/ti-k3.rst b/docs/plat/ti-k3.rst
index 4843227..2626e67 100644
--- a/docs/plat/ti-k3.rst
+++ b/docs/plat/ti-k3.rst
@@ -27,7 +27,7 @@
 
 .. code:: shell
 
-    make CROSS_COMPILE=aarch64-linux-gnu- PLAT=k3 SPD=opteed all
+    make CROSS_COMPILE=aarch64-none-elf- PLAT=k3 SPD=opteed all
 
 OP-TEE:
 
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/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..4c87c22 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
 
@@ -101,16 +93,22 @@
 
 #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
 
@@ -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/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);