diff --git a/openpower/package/rainier-4u-xml/rainier-4u-xml.mk b/openpower/package/rainier-4u-xml/rainier-4u-xml.mk
new file mode 100644
index 0000000..9d1f6f7
--- /dev/null
+++ b/openpower/package/rainier-4u-xml/rainier-4u-xml.mk
@@ -0,0 +1,166 @@
+################################################################################
+# rainier-4u-xml
+#
+################################################################################
+
+RAINIER_4U_XML_VERSION ?= $(call qstrip,$(BR2_RAINIER_4U_XML_VERSION))
+ifeq ($(BR2_RAINIER_4U_XML_GITHUB_PROJECT),y)
+RAINIER_4U_XML_SITE = $(call github,open-power,$(BR2_RAINIER_4U_XML_GITHUB_PROJECT_VALUE),$(RAINIER_4U_XML_VERSION))
+else ifeq ($(BR2_RAINIER_4U_XML_CUSTOM_GIT),y)
+RAINIER_4U_XML_SITE_METHOD = git
+RAINIER_4U_XML_SITE = $(BR2_RAINIER_4U_XML_CUSTOM_GIT_VALUE)
+endif
+
+RAINIER_4U_XML_LICENSE = Apache-2.0
+RAINIER_4U_XML_LICENSE_FILES = LICENSE
+RAINIER_4U_XML_DEPENDENCIES += hostboot-p10
+
+RAINIER_4U_XML_INSTALL_IMAGES = YES
+RAINIER_4U_XML_INSTALL_TARGET = YES
+
+RAINIER_4U_XML_MRW_SCRATCH=$(STAGING_DIR)/openpower_mrw_scratch
+RAINIER_4U_XML_MRW_HB_TOOLS=$(STAGING_DIR)/hostboot_build_images
+
+# Defines for BIOS metadata creation
+RAINIER_4U_XML_BIOS_SCHEMA_FILE = $(RAINIER_4U_XML_MRW_HB_TOOLS)/bios.xsd
+RAINIER_4U_XML_BIOS_CONFIG_FILE = \
+    $(call qstrip,$(RAINIER_4U_XML_MRW_SCRATCH)/$(BR2_RAINIER_4U_XML_BIOS_FILENAME))
+RAINIER_4U_XML_BIOS_METADATA_FILE = \
+    $(call qstrip,$(RAINIER_4U_XML_MRW_HB_TOOLS)/$(BR2_OPENPOWER_P10_CONFIG_NAME)_bios_metadata.xml)
+RAINIER_4U_XML_PETITBOOT_XSLT_FILE = $(RAINIER_4U_XML_MRW_HB_TOOLS)/bios_metadata_petitboot.xslt
+RAINIER_4U_XML_PETITBOOT_BIOS_METADATA_FILE = \
+    $(call qstrip, \
+        $(RAINIER_4U_XML_MRW_HB_TOOLS)/$(BR2_OPENPOWER_P10_CONFIG_NAME)_bios_metadata_petitboot.xml)
+# XXX TODO: Figure out what to do with the bios_metadata.xml. Right now, the last xml
+#           package file processed 'wins' and all previously processed xml packages are
+#           overriden.
+RAINIER_4U_XML_PETITBOOT_BIOS_INITRAMFS_FILE = \
+    $(TARGET_DIR)/usr/share/bios_metadata.xml
+
+ifeq ($(BR2_RAINIER_4U_XML_OPPOWERVM_ATTRIBUTES),y)
+RAINIER_4U_XML_OPPOWERVM_ATTR_XML = $(RAINIER_4U_XML_MRW_HB_TOOLS)/attribute_types_oppowervm.xml
+RAINIER_4U_XML_OPPOWERVM_TARGET_XML = $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_oppowervm.xml
+endif
+ifeq ($(BR2_RAINIER_4U_XML_TARGET_TYPES_OPENPOWER_XML),y)
+RAINIER_4U_XML_TARGET_TYPES_OPENPOWER_XML = $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_openpower.xml
+endif
+
+define RAINIER_4U_XML_FILTER_UNWANTED_ATTRIBUTES
+       chmod +x $(RAINIER_4U_XML_MRW_HB_TOOLS)/filter_out_unwanted_attributes.pl
+
+       $(RAINIER_4U_XML_MRW_HB_TOOLS)/filter_out_unwanted_attributes.pl \
+            --tgt-xml $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_merged.xml \
+            --tgt-xml $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_hb.xml \
+            --tgt-xml $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_oppowervm.xml \
+            --tgt-xml $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_openpower.xml \
+            --mrw-xml $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+                $(BR2_RAINIER_4U_XML_TARGETING_FILENAME))
+
+       cp  $(call qstrip, $(RAINIER_4U_XML_MRW_SCRATCH)/$(BR2_RAINIER_4U_XML_TARGETING_FILENAME)).updated \
+           $(call qstrip,$(RAINIER_4U_XML_MRW_SCRATCH)/$(BR2_RAINIER_4U_XML_TARGETING_FILENAME))
+endef
+
+define RAINIER_4U_XML_BUILD_CMDS
+        # copy the machine xml where the common lives
+        $(INSTALL) -m 0644 -D $(@D)/$(call qstrip,$(BR2_RAINIER_4U_XML_FILENAME)) \
+            $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip,$(BR2_RAINIER_4U_XML_FILENAME))
+        $(INSTALL) -m 0644 -D $(@D)/$(call qstrip,$(BR2_RAINIER_4U_XML_BIOS_FILENAME)) \
+            $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip,$(BR2_RAINIER_4U_XML_BIOS_FILENAME))
+
+        # generate the system mrw xml
+        perl -I $(RAINIER_4U_XML_MRW_HB_TOOLS) \
+        $(RAINIER_4U_XML_MRW_HB_TOOLS)/processMrw.pl -x \
+            $(call qstrip,$(RAINIER_4U_XML_MRW_SCRATCH)/$(BR2_RAINIER_4U_XML_FILENAME))
+
+	$(if $(BR2_RAINIER_4U_XML_FILTER_UNWANTED_ATTRIBUTES), $(call RAINIER_4U_XML_FILTER_UNWANTED_ATTRIBUTES))
+
+        # merge in any system specific attributes, hostboot attributes
+        $(RAINIER_4U_XML_MRW_HB_TOOLS)/mergexml.sh \
+            $(call qstrip,$(RAINIER_4U_XML_MRW_SCRATCH)/$(BR2_RAINIER_4U_XML_SYSTEM_FILENAME)) \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/attribute_types.xml \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/attribute_types_hb.xml \
+            $(RAINIER_4U_XML_OPPOWERVM_ATTR_XML) \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/attribute_types_openpower.xml \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_merged.xml \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/target_types_hb.xml \
+            $(RAINIER_4U_XML_OPPOWERVM_TARGET_XML) \
+            $(RAINIER_4U_XML_TARGET_TYPES_OPENPOWER_XML) \
+            $(call qstrip, \
+                $(RAINIER_4U_XML_MRW_SCRATCH)/$(BR2_RAINIER_4U_XML_TARGETING_FILENAME)) \
+            > $(RAINIER_4U_XML_MRW_HB_TOOLS)/$(call qstrip, \
+                $(BR2_RAINIER_4U_XML_TARGETING_FILENAME))_temporary_hb.hb.xml;
+
+        # creating the targeting binary
+        # XXX TODO: xmltohb.pl creates a 'targeting.bin' in the output directory, we want
+        #           that file to be unique if we don't want to risk collisions on eventual
+        #           parallel builds
+        $(RAINIER_4U_XML_MRW_HB_TOOLS)/xmltohb.pl  \
+            --hb-xml-file=$(RAINIER_4U_XML_MRW_HB_TOOLS)/$(call qstrip, \
+                $(BR2_RAINIER_4U_XML_TARGETING_FILENAME))_temporary_hb.hb.xml \
+            --fapi-attributes-xml-file=$(RAINIER_4U_XML_MRW_HB_TOOLS)/fapiattrs.xml \
+            --src-output-dir=$(RAINIER_4U_XML_MRW_HB_TOOLS)/ \
+            --img-output-dir=$(RAINIER_4U_XML_MRW_HB_TOOLS)/ \
+            --vmm-consts-file=$(RAINIER_4U_XML_MRW_HB_TOOLS)/vmmconst.h --noshort-enums \
+            --bios-xml-file=$(RAINIER_4U_XML_BIOS_CONFIG_FILE) \
+            --bios-schema-file=$(RAINIER_4U_XML_BIOS_SCHEMA_FILE) \
+            --bios-output-file=$(RAINIER_4U_XML_BIOS_METADATA_FILE)
+
+        # Transform BIOS XML into Petitboot specific BIOS XML via the schema
+        xsltproc -o \
+            $(RAINIER_4U_XML_PETITBOOT_BIOS_METADATA_FILE) \
+            $(RAINIER_4U_XML_PETITBOOT_XSLT_FILE) \
+            $(RAINIER_4U_XML_BIOS_METADATA_FILE)
+
+        # Create the wofdata
+        if [ -e $(RAINIER_4U_XML_MRW_HB_TOOLS)/wof-tables-img ]; then \
+            chmod +x $(RAINIER_4U_XML_MRW_HB_TOOLS)/wof-tables-img; \
+        fi
+
+        if [ -d $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+            $(BR2_RAINIER_4U_XML_FILENAME:.xml=.wofdata)) ]; then \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/wof-tables-img \
+                --create $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+                    $(RAINIER_4U_XML_FILENAME:.xml=.wof_output)) \
+                $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+                    $(BR2_RAINIER_4U_XML_FILENAME:.xml=wofdata)); \
+        fi
+
+        # Create the MEMD binary
+        if [ -e $(RAINIER_4U_XML_MRW_HB_TOOLS)/memd_creation.pl ]; then \
+            chmod +x $(RAINIER_4U_XML_MRW_HB_TOOLS)/memd_creation.pl; \
+        fi
+
+        if [ -d $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+            $(BR2_RAINIER_4U_XML_FILENAME:.xml=.memd_binaries)) ]; then \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/memd_creation.pl \
+                -memd_dir $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+                    $(BR2_RAINIER_4U_XML_FILENAME:.xml=.memd_binaries)) \
+                -memd_output $(RAINIER_4U_XML_MRW_SCRATCH)/$(call qstrip, \
+                    $(BR2_RAINIER_4U_XML_FILENAME:.xml=.memd_output.dat)); \
+        fi
+
+endef
+
+define RAINIER_4U_XML_INSTALL_IMAGES_CMDS
+        mv $(RAINIER_4U_XML_MRW_HB_TOOLS)/targeting.bin $(call qstrip, \
+            $(RAINIER_4U_XML_MRW_HB_TOOLS)/$(BR2_RAINIER_4U_XML_TARGETING_BIN_FILENAME))
+        if [ -e $(RAINIER_4U_XML_MRW_HB_TOOLS)/targeting.bin.protected ]; then \
+            mv -v $(RAINIER_4U_XML_MRW_HB_TOOLS)/targeting.bin.protected \
+                $(call qstrip, \
+                    $(RAINIER_4U_XML_MRW_HB_TOOLS)/$(BR2_RAINIER_4U_XML_TARGETING_BIN_FILENAME)).protected; \
+        fi
+        if [ -e $(RAINIER_4U_XML_MRW_HB_TOOLS)/targeting.bin.unprotected ]; then \
+            mv -v $(RAINIER_4U_XML_MRW_HB_TOOLS)/targeting.bin.unprotected \
+                $(call qstrip, \
+                    $(RAINIER_4U_XML_MRW_HB_TOOLS)/$(BR2_RAINIER_4U_XML_TARGETING_BIN_FILENAME)).unprotected; \
+        fi
+endef
+
+define RAINIER_4U_XML_INSTALL_TARGET_CMDS
+        # Install Petitboot specific BIOS XML into initramfs's usr/share/ dir
+        $(INSTALL) -D -m 0644 \
+            $(RAINIER_4U_XML_PETITBOOT_BIOS_METADATA_FILE) \
+            $(RAINIER_4U_XML_PETITBOOT_BIOS_INITRAMFS_FILE)
+endef
+
+$(eval $(generic-package))