feat(versal2): add support for AMD Versal Gen 2 platform

New SoC is a78 based with gicv3 and uart over pl011. Communication
interfaces are similar to Versal NET platform. System starts with AMD PLM
firmware which loads TF-A(bl31) to memory, which is already configured, and
jumps to it. PLM also prepare handoff structure for TF-A with information
what components were load and flags which indicate which EL level SW should
be started.

Change-Id: I5065b1b7ec4ee58e77dc4096747758480c84009c
Signed-off-by: Amit Nagal <amit.nagal@amd.com>
Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/plat/amd/versal2/platform.mk b/plat/amd/versal2/platform.mk
new file mode 100644
index 0000000..c07fc36
--- /dev/null
+++ b/plat/amd/versal2/platform.mk
@@ -0,0 +1,127 @@
+# Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2021-2022, Xilinx, Inc. All rights reserved.
+# Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+PLAT_PATH := plat/amd/versal2
+
+# A78 Erratum for SoC
+ERRATA_A78_AE_1941500 := 1
+ERRATA_A78_AE_1951502 := 1
+ERRATA_A78_AE_2376748 := 1
+ERRATA_A78_AE_2395408 := 1
+ERRATA_ABI_SUPPORT    := 1
+
+# Platform Supports Armv8.2 extensions
+ARM_ARCH_MAJOR := 8
+ARM_ARCH_MINOR := 2
+
+override PROGRAMMABLE_RESET_ADDRESS := 1
+PSCI_EXTENDED_STATE_ID := 1
+SEPARATE_CODE_AND_RODATA := 1
+override RESET_TO_BL31 := 1
+PL011_GENERIC_UART := 1
+IPI_CRC_CHECK := 0
+GIC_ENABLE_V4_EXTN :=  0
+GICV3_SUPPORT_GIC600 := 1
+
+override CTX_INCLUDE_AARCH32_REGS    := 0
+
+ifdef MEM_BASE
+    $(eval $(call add_define,MEM_BASE))
+
+    ifndef MEM_SIZE
+        $(error "ATF_BASE defined without ATF_SIZE")
+    endif
+    $(eval $(call add_define,MEM_SIZE))
+
+    ifdef MEM_PROGBITS_SIZE
+        $(eval $(call add_define,MEM_PROGBITS_SIZE))
+    endif
+endif
+
+ifdef BL32_MEM_BASE
+    $(eval $(call add_define,BL32_MEM_BASE))
+
+    ifndef BL32_MEM_SIZE
+        $(error "BL32_BASE defined without BL32_SIZE")
+    endif
+    $(eval $(call add_define,BL32_MEM_SIZE))
+endif
+
+ifdef IPI_CRC_CHECK
+    $(eval $(call add_define,IPI_CRC_CHECK))
+endif
+
+USE_COHERENT_MEM := 0
+HW_ASSISTED_COHERENCY := 1
+
+CONSOLE	?=	pl011
+ifeq (${CONSOLE}, $(filter ${CONSOLE},pl011 pl011_0 pl011_1 dcc))
+else
+  $(error Please define CONSOLE)
+endif
+
+$(eval $(call add_define_val,CONSOLE,CONSOLE_ID_${CONSOLE}))
+
+ifdef XILINX_OF_BOARD_DTB_ADDR
+$(eval $(call add_define,XILINX_OF_BOARD_DTB_ADDR))
+endif
+
+PLAT_INCLUDES		:=	-Iinclude/plat/arm/common/			\
+				-Iplat/xilinx/common/include/			\
+				-Iplat/xilinx/common/ipi_mailbox_service/	\
+				-I${PLAT_PATH}/include/				\
+				-Iplat/xilinx/versal/pm_service/
+
+# Include GICv3 driver files
+include drivers/arm/gic/v3/gicv3.mk
+include lib/xlat_tables_v2/xlat_tables.mk
+include lib/libfdt/libfdt.mk
+
+PLAT_BL_COMMON_SOURCES	:=	\
+				drivers/arm/dcc/dcc_console.c			\
+				drivers/delay_timer/delay_timer.c		\
+				drivers/delay_timer/generic_delay_timer.c	\
+				${GICV3_SOURCES}				\
+				drivers/arm/pl011/aarch64/pl011_console.S	\
+				plat/common/aarch64/crash_console_helpers.S	\
+				plat/arm/common/arm_common.c			\
+				plat/common/plat_gicv3.c			\
+				${PLAT_PATH}/aarch64/helpers.S			\
+				${PLAT_PATH}/aarch64/common.c			\
+				${PLAT_PATH}/plat_topology.c                    \
+				${XLAT_TABLES_LIB_SRCS}
+
+BL31_SOURCES		+=	drivers/arm/cci/cci.c				\
+				lib/cpus/aarch64/cortex_a78_ae.S		\
+				lib/cpus/aarch64/cortex_a78.S			\
+				plat/common/plat_psci_common.c			\
+				drivers/scmi-msg/base.c				\
+				drivers/scmi-msg/entry.c			\
+				drivers/scmi-msg/smt.c				\
+				drivers/scmi-msg/clock.c			\
+				drivers/scmi-msg/power_domain.c			\
+				drivers/scmi-msg/reset_domain.c			\
+				${PLAT_PATH}/scmi.c
+
+BL31_SOURCES		+=	${PLAT_PATH}/plat_psci.c
+
+BL31_SOURCES		+=	plat/xilinx/common/plat_fdt.c			\
+				plat/xilinx/common/plat_startup.c		\
+				plat/xilinx/common/ipi.c			\
+				plat/xilinx/common/ipi_mailbox_service/ipi_mailbox_svc.c	\
+				${PLAT_PATH}/soc_ipi.c				\
+				plat/xilinx/common/versal.c			\
+				${PLAT_PATH}/bl31_setup.c			\
+				common/fdt_fixup.c				\
+				${LIBFDT_SRCS}					\
+				${PLAT_PATH}/sip_svc_setup.c			\
+				${PLAT_PATH}/gicv3.c
+
+ifeq (${ERRATA_ABI_SUPPORT}, 1)
+# enable the cpu macros for errata abi interface
+CORTEX_A78_AE_H_INC     := 1
+$(eval $(call add_define, CORTEX_A78_AE_H_INC))
+endif