[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/xtensa/Makefile b/src/kernel/linux/v4.14/arch/xtensa/Makefile
new file mode 100644
index 0000000..7ee02fe
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/xtensa/Makefile
@@ -0,0 +1,110 @@
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2001 - 2005 Tensilica Inc.
+# Copyright (C) 2014 Cadence Design Systems Inc.
+#
+# This file is included by the global makefile so that you can add your own
+# architecture-specific flags and dependencies. Remember to do have actions
+# for "archclean" and "archdep" for cleaning up and making dependencies for
+# this architecture
+
+# Core configuration.
+# (Use VAR=<xtensa_config> to use another default compiler.)
+
+variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME))
+
+VARIANT = $(variant-y)
+export VARIANT
+
+# Test for cross compiling
+
+ifneq ($(VARIANT),)
+ COMPILE_ARCH = $(shell uname -m)
+
+ ifneq ($(COMPILE_ARCH), xtensa)
+ ifndef CROSS_COMPILE
+ CROSS_COMPILE = xtensa_$(VARIANT)-
+ endif
+ endif
+endif
+
+# Platform configuration
+
+platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
+platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
+platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
+
+PLATFORM = $(platform-y)
+export PLATFORM
+
+# temporarily until string.h is fixed
+KBUILD_CFLAGS += -ffreestanding -D__linux__
+
+KBUILD_CFLAGS += -pipe -mlongcalls
+
+KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
+
+ifneq ($(CONFIG_LD_NO_RELAX),)
+LDFLAGS := --no-relax
+endif
+
+ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
+CHECKFLAGS += -D__XTENSA_EB__
+KBUILD_CPPFLAGS += -DCONFIG_CPU_BIG_ENDIAN
+endif
+ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
+CHECKFLAGS += -D__XTENSA_EL__
+KBUILD_CPPFLAGS += -DCONFIG_CPU_LITTLE_ENDIAN
+endif
+
+vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
+plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
+
+ifeq ($(KBUILD_SRC),)
+KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
+else
+KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
+endif
+
+KBUILD_DEFCONFIG := iss_defconfig
+
+# Only build variant and/or platform if it includes a Makefile
+
+buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
+buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
+
+# Find libgcc.a
+
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+
+head-y := arch/xtensa/kernel/head.o
+core-y += arch/xtensa/kernel/ arch/xtensa/mm/
+core-y += $(buildvar) $(buildplf)
+
+libs-y += arch/xtensa/lib/ $(LIBGCC)
+drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/
+
+ifneq ($(CONFIG_BUILTIN_DTB),"")
+core-$(CONFIG_OF) += arch/xtensa/boot/dts/
+endif
+
+boot := arch/xtensa/boot
+
+all Image zImage uImage: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $@
+
+%.dtb:
+ $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
+
+dtbs: scripts
+ $(Q)$(MAKE) $(build)=$(boot)/dts
+
+define archhelp
+ @echo '* Image - Kernel ELF image with reset vector'
+ @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
+ @echo '* uImage - U-Boot wrapped image'
+ @echo ' dtbs - Build device tree blobs for enabled boards'
+endef