adds riscv_vp platform

platform/riscv_vp/objects.mk

@@ -0,0 +1,99 @@
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2019 Western Digital Corporation or its affiliates.
+#
+
+# Compiler pre-processor flags
+platform-cppflags-y =
+
+# C Compiler and assembler flags.
+platform-cflags-y =
+platform-asflags-y =
+
+# Linker flags: additional libraries and object files that the platform
+# code needs can be added here
+platform-ldflags-y =
+
+#
+# Command for platform specific "make run"
+# Useful for development and debugging on plaftform simulator (such as QEMU)
+#
+# platform-runcmd = your_platform_run.sh
+
+#
+# Platform RISC-V XLEN, ABI, ISA and Code Model configuration.
+# These are optional parameters but platforms can optionaly provide it.
+# Some of these are guessed based on GCC compiler capabilities
+#
+PLATFORM_RISCV_XLEN = 64
+PLATFORM_RISCV_ABI = lp64d
+PLATFORM_RISCV_ISA = rv64imafdc_zicsr_zifencei
+PLATFORM_RISCV_CODE_MODEL = medany
+
+# Space separated list of object file names to be compiled for the platform
+platform-objs-y += platform.o
+
+#
+# If the platform support requires a builtin device tree file, the name of
+# the device tree compiled file should be specified here. The device tree
+# source file be in the form <dt file name>.dts
+#
+# platform-objs-y += <dt file name>.o
+
+# Optional parameter for path to external FDT
+# FW_FDT_PATH="path to platform flattened device tree file"
+
+#
+# Dynamic firmware configuration.
+# Optional parameters are commented out. Uncomment and define these parameters
+# as needed.
+#
+FW_DYNAMIC=n
+
+#
+# Jump firmware configuration.
+# Optional parameters are commented out. Uncomment and define these parameters
+# as needed.
+#
+FW_JUMP=n
+# This needs to be 4MB aligned for 32-bit support
+# This needs to be 2MB aligned for 64-bit support
+# ifeq ($(PLATFORM_RISCV_XLEN), 32)
+# FW_JUMP_OFFSET=0x400000
+# else
+# FW_JUMP_OFFSET=0x200000
+# endif
+# FW_JUMP_FDT_OFFSET=0x2200000
+#
+# You can use fixed address for jump firmware as an alternative option.
+# SBI will prefer "<X>_ADDR" if both "<X>_ADDR" and "<X>_OFFSET" are
+# defined
+# ifeq ($(PLATFORM_RISCV_XLEN), 32)
+# FW_JUMP_ADDR=0x80400000
+# else
+# FW_JUMP_ADDR=0x80200000
+# endif
+# FW_JUMP_FDT_ADDR=0x82200000
+
+#
+# Firmware with payload configuration.
+# Optional parameters are commented out. Uncomment and define these parameters
+# as needed.
+#
+FW_PAYLOAD=y
+# This needs to be 4MB aligned for 32-bit support
+# This needs to be 2MB aligned for 64-bit support
+ifeq ($(PLATFORM_RISCV_XLEN), 32)
+FW_PAYLOAD_OFFSET=0x400000
+else
+FW_PAYLOAD_OFFSET=0x200000
+endif
+# FW_PAYLOAD_ALIGN=0x1000
+# FW_PAYLOAD_PATH="path to next boot stage binary image file"
+# FW_PAYLOAD_FDT_OFFSET=0x2200000
+#
+# You can use fixed address for payload firmware as an alternative option.
+# SBI will prefer "FW_PAYLOAD_FDT_ADDR" if both "FW_PAYLOAD_FDT_OFFSET"
+# and "FW_PAYLOAD_FDT_ADDR" are defined.
+# FW_PAYLOAD_FDT_ADDR=0x82200000