Merge "build: make Poetry optional" into integration
diff --git a/docs/plat/s32g274a.rst b/docs/plat/s32g274a.rst
index 3aa858e..d3f31ca 100644
--- a/docs/plat/s32g274a.rst
+++ b/docs/plat/s32g274a.rst
@@ -95,5 +95,17 @@
                 -d "${BOOT_IMAGE}" \
                 fip.s32
 
+SoC Errata Workarounds
+----------------------
+
+The S32G274A port of the TF-A includes compilation flags that can be used to
+control the workaround for the SoC. These flags are used similarly to how the
+:ref:`arm_cpu_macros_errata_workarounds` are used. The list of workarounds
+includes the following switches:
+
+-  ``ERRATA_S32_051700``: This applies erratum ERR051700 workaround to
+   SoCs part of the S32 Common Chassis family, and therefore it needs to
+   be enabled for the S32G and S32R devices.
+
 .. _s32g2: https://www.nxp.com/products/processors-and-microcontrollers/s32-automotive-platform/s32g-vehicle-network-processors/s32g2-processors-for-vehicle-networking:S32G2
 .. _s32g274ardb2: https://www.nxp.com/design/design-center/designs/s32g2-vehicle-networking-reference-design:S32G-VNP-RDB2
diff --git a/drivers/nxp/clk/s32cc/include/s32cc-mc-rgm.h b/drivers/nxp/clk/s32cc/include/s32cc-mc-rgm.h
new file mode 100644
index 0000000..5ff55fb
--- /dev/null
+++ b/drivers/nxp/clk/s32cc/include/s32cc-mc-rgm.h
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright 2020-2021, 2023-2024 NXP
+ */
+#ifndef S32CC_MC_RGM_H
+#define S32CC_MC_RGM_H
+
+#include <stdint.h>
+
+void mc_rgm_periph_reset(uintptr_t rgm, uint32_t part, uint32_t value);
+
+#endif /* MC_RGM_H */
diff --git a/drivers/nxp/clk/s32cc/mc_rgm.c b/drivers/nxp/clk/s32cc/mc_rgm.c
new file mode 100644
index 0000000..cbf4022
--- /dev/null
+++ b/drivers/nxp/clk/s32cc/mc_rgm.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2023-2024 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <s32cc-mc-rgm.h>
+
+#define MC_RGM_PRST(MC_RGM, PER)	((MC_RGM) + 0x40UL + ((PER) * 0x8UL))
+
+/*  ERR051700
+ *  Releasing more than one Software Resettable Domain (SRD)
+ *  from reset simultaneously, by clearing the corresponding
+ *  peripheral MC_RGM_PRSTn[PERIPH_x_RST] reset control may
+ *  cause a false setting of the Fault Collection and
+ *  Control Unit (FCCU) Non-Critical Fault (NCF) flag
+ *  corresponding to a Memory-Test-Repair (MTR) Error
+ */
+#if (ERRATA_S32_051700 == 1)
+void mc_rgm_periph_reset(uintptr_t rgm, uint32_t part, uint32_t value)
+{
+	uint32_t current_bit_checked, i;
+	uint32_t current_regs, mask;
+	int bit_index;
+
+	current_regs = mmio_read_32(MC_RGM_PRST(rgm, part));
+	/* Create a mask with all changed bits */
+	mask = current_regs ^ value;
+
+	while (mask != 0U) {
+		bit_index = __builtin_ffs(mask);
+		if (bit_index < 1) {
+			break;
+		}
+
+		i = (uint32_t)bit_index - 1U;
+		current_bit_checked = BIT_32(i);
+
+		/* Check if we assert or de-assert.
+		 * Also wait for completion.
+		 */
+		if ((value & current_bit_checked) != 0U) {
+			mmio_setbits_32(MC_RGM_PRST(rgm, part),
+					current_bit_checked);
+			while ((mmio_read_32(MC_RGM_PRST(rgm, part)) &
+				 current_bit_checked) == 0U)
+				;
+		} else {
+			mmio_clrbits_32(MC_RGM_PRST(rgm, part),
+					current_bit_checked);
+			while ((mmio_read_32(MC_RGM_PRST(rgm, part)) &
+					    current_bit_checked) != 0U)
+				;
+		}
+
+		mask &= ~current_bit_checked;
+	}
+}
+#else /* ERRATA_S32_051700 */
+void mc_rgm_periph_reset(uintptr_t rgm, uint32_t part, uint32_t value)
+{
+	mmio_write_32(MC_RGM_PRST(rgm, part), value);
+}
+#endif /* ERRATA_S32_051700 */
diff --git a/drivers/nxp/clk/s32cc/s32cc_clk.mk b/drivers/nxp/clk/s32cc/s32cc_clk.mk
index 7a65ea6..2a9a376 100644
--- a/drivers/nxp/clk/s32cc/s32cc_clk.mk
+++ b/drivers/nxp/clk/s32cc/s32cc_clk.mk
@@ -9,6 +9,7 @@
 	-I${PLAT_DRIVERS_PATH}/clk/s32cc/include \
 
 CLK_SOURCES		:= \
+	${PLAT_DRIVERS_PATH}/clk/s32cc/mc_rgm.c \
 	${PLAT_DRIVERS_PATH}/clk/s32cc/s32cc_clk_drv.c \
 	${PLAT_DRIVERS_PATH}/clk/s32cc/s32cc_clk_modules.c \
 	${PLAT_DRIVERS_PATH}/clk/s32cc/s32cc_clk_utils.c \
diff --git a/plat/amd/versal2/platform.mk b/plat/amd/versal2/platform.mk
index 1c977a3..3892fcb 100644
--- a/plat/amd/versal2/platform.mk
+++ b/plat/amd/versal2/platform.mk
@@ -32,7 +32,7 @@
     $(eval $(call add_define,MEM_BASE))
 
     ifndef MEM_SIZE
-        $(error "ATF_BASE defined without ATF_SIZE")
+        $(error "MEM_BASE defined without MEM_SIZE")
     endif
     $(eval $(call add_define,MEM_SIZE))
 
@@ -45,7 +45,7 @@
     $(eval $(call add_define,BL32_MEM_BASE))
 
     ifndef BL32_MEM_SIZE
-        $(error "BL32_BASE defined without BL32_SIZE")
+        $(error "BL32_MEM_BASE defined without BL32_MEM_SIZE")
     endif
     $(eval $(call add_define,BL32_MEM_SIZE))
 endif
diff --git a/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_css_fw_def3.h b/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_css_fw_def3.h
index 1b92ec2..3fbc125 100644
--- a/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_css_fw_def3.h
+++ b/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_css_fw_def3.h
@@ -111,4 +111,18 @@
 			ARM_REALM_SIZE,					\
 			MT_MEMORY | MT_RW | MT_REALM)
 
+#if RESET_TO_BL31
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+
+/* Define the DTB image base and size */
+#define NRD_CSS_BL31_PRELOAD_DTB_BASE	UL(0xF3000000)
+#define NRD_CSS_BL31_PRELOAD_DTB_SIZE	UL(0x1000)
+#define NRD_CSS_MAP_BL31_DTB		MAP_REGION_FLAT(		\
+					NRD_CSS_BL31_PRELOAD_DTB_BASE,	\
+					NRD_CSS_BL31_PRELOAD_DTB_SIZE,	\
+					MT_RW_DATA | MT_NS)
+#endif /* RESET_TO_BL31 */
+
 #endif /* NRD_CSS_FW_DEF3_H */
diff --git a/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h b/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h
index 0dce512..8d6d1cb 100644
--- a/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h
+++ b/plat/arm/board/neoverse_rd/common/include/nrd3/nrd_plat_arm_def3.h
@@ -56,8 +56,8 @@
  * chips are accessed - secure ram, css device and soc device regions.
  */
 #if defined(IMAGE_BL31)
-#  define PLAT_ARM_MMAP_ENTRIES		(9 + ((NRD_CHIP_COUNT - 1) * 3))
-#  define MAX_XLAT_TABLES		(9 + ((NRD_CHIP_COUNT - 1) * 3))
+#  define PLAT_ARM_MMAP_ENTRIES		(10 + ((NRD_CHIP_COUNT - 1) * 3))
+#  define MAX_XLAT_TABLES		(10 + ((NRD_CHIP_COUNT - 1) * 3))
 #elif defined(IMAGE_BL32)
 # define PLAT_ARM_MMAP_ENTRIES		U(8)
 # define MAX_XLAT_TABLES		U(5)
@@ -442,7 +442,7 @@
  * SRAM layout
  ******************************************************************************/
 
-/*
+/* if !RESET_TO_BL31
  *              Trusted SRAM
  * 0x00100000 +--------------+
  *            |    L0 GPT    |
@@ -460,6 +460,26 @@
  * 0x00019000 +--------------+
  *            |   BL1 (ro)   |
  * 0x00000000 +--------------+
+ *
+ * else
+ *
+ *              Trusted SRAM
+ * 0x00100000 +--------------+
+ *            |    L0 GPT    |
+ * 0x000E0000 +--------------
+ *            |              |  side-loaded    +----------------+
+ *            |              |  <<<<<<<<<<<<<  |                |
+ *            |              |  <<<<<<<<<<<<<  |  BL31 NOBITS   |
+ *            |              |  <<<<<<<<<<<<<  |                |
+ *            |              |  <<<<<<<<<<<<<  |----------------|
+ *            |              |  <<<<<<<<<<<<<  | BL31 PROGBITS  |
+ * 0x00063000 |              |                 +----------------+
+ * 0x0001A000 +--------------+
+ *            |    Shared    |
+ * 0x00019000 +--------------+
+ *            |   BL1 (ro)   |
+ * 0x00000000 +--------------+
+ * endif
  */
 
 /*******************************************************************************
@@ -531,7 +551,11 @@
  * ARM_FW_CONFIG + ARM_BL2_MEM_DESC memory
  */
 #define ARM_FW_CONFIGS_SIZE		(PAGE_SIZE * 2)
+#if RESET_TO_BL31
+#define ARM_FW_CONFIGS_LIMIT		(ARM_BL_RAM_BASE)
+#else
 #define ARM_FW_CONFIGS_LIMIT		(ARM_BL_RAM_BASE + ARM_FW_CONFIGS_SIZE)
+#endif
 
 /*******************************************************************************
  * BL1 RW specifics
@@ -556,9 +580,13 @@
  ******************************************************************************/
 
 /* Keep BL31 below BL2 in the Trusted SRAM.*/
+#if RESET_TO_BL31
+#define BL31_BASE			(0x63000)
+#else
 #define BL31_BASE			((ARM_BL_RAM_BASE +		\
 					  ARM_BL_RAM_SIZE) -		\
 					  PLAT_ARM_MAX_BL31_SIZE)
+#endif
 #define BL31_PROGBITS_LIMIT		BL2_BASE
 #define BL31_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
 
diff --git a/plat/arm/board/neoverse_rd/common/nrd-common.mk b/plat/arm/board/neoverse_rd/common/nrd-common.mk
index 95a221f..a09f369 100644
--- a/plat/arm/board/neoverse_rd/common/nrd-common.mk
+++ b/plat/arm/board/neoverse_rd/common/nrd-common.mk
@@ -54,11 +54,6 @@
 				${NRD_COMMON_BASE}/nrd_topology.c	\
 				drivers/delay_timer/generic_delay_timer.c
 
-ifneq (${RESET_TO_BL31},0)
-  $(error "Using BL31 as the reset vector is not supported on ${PLAT} platform. \
-  Please set RESET_TO_BL31 to 0.")
-endif
-
 $(eval $(call add_define,NRD_CHIP_COUNT))
 
 $(eval $(call add_define,NRD_PLATFORM_VARIANT))
diff --git a/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c b/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c
index 18aa2fb..bce8834 100644
--- a/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c
+++ b/plat/arm/board/neoverse_rd/common/nrd_bl31_setup.c
@@ -155,6 +155,65 @@
 	arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
 }
 
+/*******************************************************************************
+ * This function inserts platform information via device tree nodes as,
+ * system-id {
+ *    platform-id = <0>;
+ *    config-id = <0>;
+ * }
+ ******************************************************************************/
+#if RESET_TO_BL31
+static int append_config_node(uintptr_t fdt_base_addr, uintptr_t fdt_base_size)
+{
+	void *fdt;
+	int nodeoffset, err;
+	unsigned int platid = 0, platcfg = 0;
+
+	if (fdt_base_addr == 0) {
+		ERROR("NT_FW CONFIG base address is NULL\n");
+		return -1;
+	}
+
+	fdt = (void *)fdt_base_addr;
+
+	/* Check the validity of the fdt */
+	if (fdt_check_header(fdt) != 0) {
+		ERROR("Invalid NT_FW_CONFIG DTB passed\n");
+		return -1;
+	}
+
+	nodeoffset = fdt_subnode_offset(fdt, 0, "system-id");
+	if (nodeoffset < 0) {
+		ERROR("Failed to get system-id node offset\n");
+		return -1;
+	}
+
+	platid = plat_arm_nrd_get_platform_id();
+	err = fdt_setprop_u32(fdt, nodeoffset, "platform-id", platid);
+	if (err < 0) {
+		ERROR("Failed to set platform-id\n");
+		return -1;
+	}
+
+	platcfg = plat_arm_nrd_get_config_id();
+	err = fdt_setprop_u32(fdt, nodeoffset, "config-id", platcfg);
+	if (err < 0) {
+		ERROR("Failed to set config-id\n");
+		return -1;
+	}
+
+	platcfg = plat_arm_nrd_get_multi_chip_mode();
+	err = fdt_setprop_u32(fdt, nodeoffset, "multi-chip-mode", platcfg);
+	if (err < 0) {
+		ERROR("Failed to set multi-chip-mode\n");
+		return -1;
+	}
+
+	flush_dcache_range((uintptr_t)fdt, fdt_base_size);
+	return 0;
+}
+#endif
+
 void nrd_bl31_common_platform_setup(void)
 {
 	generic_delay_timer_init();
@@ -169,6 +228,15 @@
 	ehf_register_priority_handler(PLAT_REBOOT_PRI,
 			css_reboot_interrupt_handler);
 #endif
+
+#if RESET_TO_BL31
+	int ret = append_config_node(NRD_CSS_BL31_PRELOAD_DTB_BASE,
+			NRD_CSS_BL31_PRELOAD_DTB_SIZE);
+
+	if (ret != 0) {
+		panic();
+	}
+#endif
 }
 
 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
diff --git a/plat/arm/board/neoverse_rd/common/nrd_plat3.c b/plat/arm/board/neoverse_rd/common/nrd_plat3.c
index 7b98052..00f346e 100644
--- a/plat/arm/board/neoverse_rd/common/nrd_plat3.c
+++ b/plat/arm/board/neoverse_rd/common/nrd_plat3.c
@@ -60,6 +60,9 @@
 	NRD_CSS_GPT_L1_DRAM_MMAP,
 	NRD_CSS_EL3_RMM_SHARED_MEM_MMAP,
 	NRD_CSS_GPC_SMMU_SMMUV3_MMAP,
+#if RESET_TO_BL31
+	NRD_CSS_MAP_BL31_DTB,
+#endif
 	{0}
 };
 #endif /* IMAGE_BL31 */
diff --git a/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk b/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk
index 15fc9bb..4892804 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk
@@ -71,6 +71,11 @@
      currently set to ${NRD_PLATFORM_VARIANT}.")
 endif
 
+ifneq (${RESET_TO_BL31},0)
+  $(error "Using BL31 as the reset vector is not supported on ${PLAT} platform. \
+  Please set RESET_TO_BL31 to 0.")
+endif
+
 override CTX_INCLUDE_AARCH32_REGS	:= 0
 override SPMD_SPM_AT_SEL2		:= 0
 
diff --git a/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk b/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk
index c8f0899..c2dfba6 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk
@@ -103,6 +103,11 @@
 $(eval $(call TOOL_ADD_PAYLOAD,${TOS_FW_CONFIG},--tos-fw-config,${TOS_FW_CONFIG}))
 endif
 
+ifneq (${RESET_TO_BL31},0)
+  $(error "Using BL31 as the reset vector is not supported on ${PLAT} platform. \
+  Please set RESET_TO_BL31 to 0.")
+endif
+
 override CTX_INCLUDE_AARCH32_REGS	:= 0
 override ENABLE_FEAT_AMU		:= 2
 override ENABLE_FEAT_MTE2       	:= 2
diff --git a/plat/arm/board/neoverse_rd/platform/rdv1/platform.mk b/plat/arm/board/neoverse_rd/platform/rdv1/platform.mk
index fe87779..db8efbb 100644
--- a/plat/arm/board/neoverse_rd/platform/rdv1/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdv1/platform.mk
@@ -66,5 +66,10 @@
      currently set to ${NRD_PLATFORM_VARIANT}.")
 endif
 
+ifneq (${RESET_TO_BL31},0)
+  $(error "Using BL31 as the reset vector is not supported on ${PLAT} platform. \
+  Please set RESET_TO_BL31 to 0.")
+endif
+
 # Enable the flag since RD-V1 has a system level cache
 NEOVERSE_Nx_EXTERNAL_LLC		:=	1
diff --git a/plat/arm/board/neoverse_rd/platform/rdv1mc/platform.mk b/plat/arm/board/neoverse_rd/platform/rdv1mc/platform.mk
index a0a1204..6d518d5 100644
--- a/plat/arm/board/neoverse_rd/platform/rdv1mc/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdv1mc/platform.mk
@@ -77,5 +77,10 @@
      currently set to ${NRD_PLATFORM_VARIANT}.")
 endif
 
+ifneq (${RESET_TO_BL31},0)
+  $(error "Using BL31 as the reset vector is not supported on ${PLAT} platform. \
+  Please set RESET_TO_BL31 to 0.")
+endif
+
 # Enable the flag since RD-V1-MC has a system level cache
 NEOVERSE_Nx_EXTERNAL_LLC		:=	1
diff --git a/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk b/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk
index 98029bb..f37d903 100644
--- a/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdv3/platform.mk
@@ -24,6 +24,24 @@
 # Misc options
 override CTX_INCLUDE_AARCH32_REGS	:= 0
 
+ifeq (${PLAT_RESET_TO_BL31}, 1)
+# Support for BL31 boot flow
+override RESET_TO_BL31			:= 1
+
+# arm_common.mk sets ENABLE_PIE=1, but Makefile blocks PIE for RME
+override ENABLE_PIE			:= 0
+
+# Non Trusted Firmware parameters
+override ARM_PRELOADED_DTB_BASE		:= 0xF3000000
+override ARM_LINUX_KERNEL_AS_BL33	:= 1
+override PRELOADED_BL33_BASE		:= 0xE0000000
+
+# These are internal build flags but as of now RESET_TO_BL31 won't work without defining them
+override NEED_BL1			:= no
+override NEED_BL2			:= no
+override NEED_BL32			:= no
+endif
+
 # RD-V3 platform uses GIC-700 which is based on GICv4.1
 GIC_ENABLE_V4_EXTN			:= 1
 
@@ -86,6 +104,10 @@
 			${RDV3_BASE}/rdv3_bl2_measured_boot.c
 endif
 
+ifeq (${PLAT_RESET_TO_BL31}, 1)
+BL31_SOURCES	+=	${RDV3_BASE}/rdv3_security.c
+endif
+
 BL31_SOURCES	+=	${NRD_CPU_SOURCES}				\
 			${MBEDTLS_SOURCES}				\
 			${RSE_COMMS_SOURCES}				\
diff --git a/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c b/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c
index 21675f6..a5d687e 100644
--- a/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c
+++ b/plat/arm/board/neoverse_rd/platform/rdv3/rdv3_bl31_setup.c
@@ -130,3 +130,92 @@
 		WARN("Failed initializing AP-RSE comms.\n");
 	}
 }
+
+#if RESET_TO_BL31
+/*
+ * The GPT library might modify the gpt regions structure to optimize
+ * the layout, so the array cannot be constant.
+ */
+static pas_region_t pas_regions[] = {
+	NRD_PAS_SHARED_SRAM,
+	NRD_PAS_SYSTEM_NCI,
+	NRD_PAS_DEBUG_NIC,
+	NRD_PAS_NS_UART,
+	NRD_PAS_REALM_UART,
+	NRD_PAS_AP_NS_WDOG,
+	NRD_PAS_AP_ROOT_WDOG,
+	NRD_PAS_AP_SECURE_WDOG,
+	NRD_PAS_SECURE_SRAM_ERB_AP,
+	NRD_PAS_NS_SRAM_ERB_AP,
+	NRD_PAS_ROOT_SRAM_ERB_AP,
+	NRD_PAS_REALM_SRAM_ERB_AP,
+	NRD_PAS_SECURE_SRAM_ERB_SCP,
+	NRD_PAS_NS_SRAM_ERB_SCP,
+	NRD_PAS_ROOT_SRAM_ERB_SCP,
+	NRD_PAS_REALM_SRAM_ERB_SCP,
+	NRD_PAS_SECURE_SRAM_ERB_MCP,
+	NRD_PAS_NS_SRAM_ERB_MCP,
+	NRD_PAS_ROOT_SRAM_ERB_MCP,
+	NRD_PAS_REALM_SRAM_ERB_MCP,
+	NRD_PAS_SECURE_SRAM_ERB_RSE,
+	NRD_PAS_NS_SRAM_ERB_RSE,
+	NRD_PAS_ROOT_SRAM_ERB_RSE,
+	NRD_PAS_REALM_SRAM_ERB_RSE,
+	NRD_PAS_RSE_SECURE_SRAM_ERB_RSM,
+	NRD_PAS_RSE_NS_SRAM_ERB_RSM,
+	NRD_PAS_SCP_SECURE_SRAM_ERB_RSM,
+	NRD_PAS_SCP_NS_SRAM_ERB_RSM,
+	NRD_PAS_MCP_SECURE_SRAM_ERB_RSM,
+	NRD_PAS_MCP_NS_SRAM_ERB_RSM,
+	NRD_PAS_AP_SCP_ROOT_MHU,
+	NRD_PAS_AP_MCP_NS_MHU,
+	NRD_PAS_AP_MCP_SECURE_MHU,
+	NRD_PAS_AP_MCP_ROOT_MHU,
+	NRD_PAS_AP_RSE_NS_MHU,
+	NRD_PAS_AP_RSE_SECURE_MHU,
+	NRD_PAS_AP_RSE_ROOT_MHU,
+	NRD_PAS_AP_RSE_REALM_MHU,
+	NRD_PAS_SCP_MCP_RSE_CROSS_CHIP_MHU,
+	NRD_PAS_SYNCNT_MSTUPDTVAL_ADDR,
+	NRD_PAS_STM_SYSTEM_ITS,
+	NRD_PAS_SCP_MCP_RSE_SHARED_SRAM,
+	NRD_PAS_GIC,
+	NRD_PAS_NS_DRAM,
+	NRD_PAS_RMM,
+	NRD_PAS_L1GPT,
+	NRD_PAS_CMN,
+	NRD_PAS_LCP_PERIPHERAL,
+	NRD_PAS_DDR_IO,
+	NRD_PAS_SMMU_NCI_IO,
+	NRD_PAS_DRAM2_CHIP0,
+#if NRD_CHIP_COUNT > 1
+	NRD_PAS_DRAM1_CHIP1,
+	NRD_PAS_DRAM2_CHIP1,
+#endif
+#if NRD_CHIP_COUNT > 2
+	NRD_PAS_DRAM1_CHIP2,
+	NRD_PAS_DRAM2_CHIP2,
+#endif
+#if NRD_CHIP_COUNT > 3
+	NRD_PAS_DRAM1_CHIP3,
+	NRD_PAS_DRAM2_CHIP3
+#endif
+};
+
+static const arm_gpt_info_t arm_gpt_info = {
+	.pas_region_base  = pas_regions,
+	.pas_region_count = (unsigned int)ARRAY_SIZE(pas_regions),
+	.l0_base = (uintptr_t)ARM_L0_GPT_BASE,
+	.l1_base = (uintptr_t)ARM_L1_GPT_BASE,
+	.l0_size = (size_t)ARM_L0_GPT_SIZE,
+	.l1_size = (size_t)ARM_L1_GPT_SIZE,
+	.pps = GPCCR_PPS_256TB,
+	.pgs = GPCCR_PGS_4K
+};
+
+const arm_gpt_info_t *plat_arm_get_gpt_info(void)
+{
+	return &arm_gpt_info;
+}
+
+#endif /* RESET_TO_BL31 */
diff --git a/plat/arm/board/neoverse_rd/platform/sgi575/platform.mk b/plat/arm/board/neoverse_rd/platform/sgi575/platform.mk
index 37306be..1f40107 100644
--- a/plat/arm/board/neoverse_rd/platform/sgi575/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/sgi575/platform.mk
@@ -65,4 +65,9 @@
      currently set to ${NRD_PLATFORM_VARIANT}.")
 endif
 
+ifneq (${RESET_TO_BL31},0)
+  $(error "Using BL31 as the reset vector is not supported on ${PLAT} platform. \
+  Please set RESET_TO_BL31 to 0.")
+endif
+
 override SPMD_SPM_AT_SEL2		:= 0
diff --git a/plat/arm/common/arm_bl31_setup.c b/plat/arm/common/arm_bl31_setup.c
index 65023bf..3650854 100644
--- a/plat/arm/common/arm_bl31_setup.c
+++ b/plat/arm/common/arm_bl31_setup.c
@@ -7,6 +7,7 @@
 #include <assert.h>
 
 #include <arch.h>
+#include <arch_features.h>
 #include <arch_helpers.h>
 #include <common/bl_common.h>
 #include <common/debug.h>
@@ -544,6 +545,13 @@
 	enable_mmu_el3(0);
 
 #if ENABLE_RME
+#if RESET_TO_BL31
+	/*  initialize GPT only when RME is enabled. */
+	assert(is_feat_rme_present());
+
+	/* Initialise and enable granule protection after MMU. */
+	arm_gpt_setup();
+#endif /* RESET_TO_BL31 */
 	/*
 	 * Initialise Granule Protection library and enable GPC for the primary
 	 * processor. The tables have already been initialized by a previous BL
diff --git a/plat/nxp/s32/s32g274ardb2/platform.mk b/plat/nxp/s32/s32g274ardb2/platform.mk
index 316ed2c..7dc287d 100644
--- a/plat/nxp/s32/s32g274ardb2/platform.mk
+++ b/plat/nxp/s32/s32g274ardb2/platform.mk
@@ -15,6 +15,10 @@
 
 include ${PLAT_COMMON_PATH}/plat_make_helper/plat_build_macros.mk
 
+# Flag to apply S32 erratum ERR051700. This erratum applies to all S32
+# revisions.
+S32_ERRATA_LIST += ERRATA_S32_051700
+
 PLAT_INCLUDES = \
 	-I${PLAT_S32G274ARDB2}/include
 
@@ -32,6 +36,7 @@
 ERRATA_A53_836870 := 1
 ERRATA_A53_1530924 := 1
 ERRATA_SPECULATIVE_AT := 1
+ERRATA_S32_051700 := 1
 
 # Selecting Drivers for SoC
 $(eval $(call SET_NXP_MAKE_FLAG,CONSOLE_NEEDED,BL_COMM))
@@ -39,7 +44,6 @@
 
 include ${PLAT_DRIVERS_PATH}/drivers.mk
 
-
 BL_COMMON_SOURCES += \
 	${PLAT_S32G274ARDB2}/plat_console.c \
 	${PLAT_S32G274ARDB2}/plat_helpers.S \
@@ -64,3 +68,8 @@
 	lib/cpus/aarch64/cortex_a53.S \
 	plat/common/plat_gicv3.c \
 	plat/common/plat_psci_common.c \
+
+# process all errata flags
+$(eval $(call default_zeros, $(S32_ERRATA_LIST)))
+$(eval $(call add_defines, $(S32_ERRATA_LIST)))
+$(eval $(call assert_booleans, $(S32_ERRATA_LIST)))
diff --git a/plat/xilinx/versal/platform.mk b/plat/xilinx/versal/platform.mk
index 6cc28e1..e65800e 100644
--- a/plat/xilinx/versal/platform.mk
+++ b/plat/xilinx/versal/platform.mk
@@ -22,7 +22,7 @@
     $(eval $(call add_define,VERSAL_ATF_MEM_BASE))
 
     ifndef VERSAL_ATF_MEM_SIZE
-        $(error "VERSAL_ATF_BASE defined without VERSAL_ATF_SIZE")
+        $(error "VERSAL_ATF_MEM_BASE defined without VERSAL_ATF_MEM_SIZE")
     endif
     $(eval $(call add_define,VERSAL_ATF_MEM_SIZE))
 
@@ -35,7 +35,7 @@
     $(eval $(call add_define,VERSAL_BL32_MEM_BASE))
 
     ifndef VERSAL_BL32_MEM_SIZE
-        $(error "VERSAL_BL32_BASE defined without VERSAL_BL32_SIZE")
+        $(error "VERSAL_BL32_MEM_BASE defined without VERSAL_BL32_MEM_SIZE")
     endif
     $(eval $(call add_define,VERSAL_BL32_MEM_SIZE))
 endif
diff --git a/plat/xilinx/versal_net/platform.mk b/plat/xilinx/versal_net/platform.mk
index da91abc..40e9206 100644
--- a/plat/xilinx/versal_net/platform.mk
+++ b/plat/xilinx/versal_net/platform.mk
@@ -34,7 +34,7 @@
     $(eval $(call add_define,VERSAL_NET_ATF_MEM_BASE))
 
     ifndef VERSAL_NET_ATF_MEM_SIZE
-        $(error "VERSAL_NET_ATF_BASE defined without VERSAL_NET_ATF_SIZE")
+        $(error "VERSAL_NET_ATF_MEM_BASE defined without VERSAL_NET_ATF_MEM_SIZE")
     endif
     $(eval $(call add_define,VERSAL_NET_ATF_MEM_SIZE))
 
@@ -47,7 +47,7 @@
     $(eval $(call add_define,VERSAL_NET_BL32_MEM_BASE))
 
     ifndef VERSAL_NET_BL32_MEM_SIZE
-        $(error "VERSAL_NET_BL32_BASE defined without VERSAL_NET_BL32_SIZE")
+        $(error "VERSAL_NET_BL32_MEM_BASE defined without VERSAL_NET_BL32_MEM_SIZE")
     endif
     $(eval $(call add_define,VERSAL_NET_BL32_MEM_SIZE))
 endif
diff --git a/plat/xilinx/zynqmp/platform.mk b/plat/xilinx/zynqmp/platform.mk
index 22eceb6..9fdc649 100644
--- a/plat/xilinx/zynqmp/platform.mk
+++ b/plat/xilinx/zynqmp/platform.mk
@@ -39,7 +39,7 @@
     $(eval $(call add_define,ZYNQMP_ATF_MEM_BASE))
 
     ifndef ZYNQMP_ATF_MEM_SIZE
-        $(error "ZYNQMP_ATF_BASE defined without ZYNQMP_ATF_SIZE")
+        $(error "ZYNQMP_ATF_MEM_BASE defined without ZYNQMP_ATF_MEM_SIZE")
     endif
     $(eval $(call add_define,ZYNQMP_ATF_MEM_SIZE))
 
@@ -56,7 +56,7 @@
     $(eval $(call add_define,ZYNQMP_BL32_MEM_BASE))
 
     ifndef ZYNQMP_BL32_MEM_SIZE
-        $(error "ZYNQMP_BL32_BASE defined without ZYNQMP_BL32_SIZE")
+        $(error "ZYNQMP_BL32_MEM_BASE defined without ZYNQMP_BL32_MEM_SIZE")
     endif
     $(eval $(call add_define,ZYNQMP_BL32_MEM_SIZE))
 endif
diff --git a/services/std_svc/spm/el3_spmc/spmc_setup.c b/services/std_svc/spm/el3_spmc/spmc_setup.c
index 4360832..f7357f1 100644
--- a/services/std_svc/spm/el3_spmc/spmc_setup.c
+++ b/services/std_svc/spm/el3_spmc/spmc_setup.c
@@ -386,7 +386,7 @@
 	write_el1_ctx_common(get_el1_sysregs_ctx(ctx), vbar_el1,
 			SPM_SHIM_EXCEPTIONS_PTR);
 #if NS_TIMER_SWITCH
-	write_el1_ctx_common(get_el1_sysregs_ctx(ctx), cntkctl_el1,
+	write_el1_ctx_arch_timer(get_el1_sysregs_ctx(ctx), cntkctl_el1,
 		      EL0PTEN_BIT | EL0VTEN_BIT | EL0PCTEN_BIT | EL0VCTEN_BIT);
 #endif