diff --git a/openpower/configs/hostboot/p9dsu.config b/openpower/configs/hostboot/p9dsu.config
new file mode 100644
index 0000000..52ff4c9
--- /dev/null
+++ b/openpower/configs/hostboot/p9dsu.config
@@ -0,0 +1,68 @@
+# The Serial Flash Controller is the AST2400 BMC.
+set   SFC_IS_AST2500
+unset SFC_IS_AST2400
+unset BMC_DOES_SFC_INIT
+unset SFC_IS_IBM_DPSS
+set   ALLOW_MICRON_PNOR
+set   ALLOW_MACRONIX_PNOR
+
+# VPD options.
+set MVPD_READ_FROM_HW
+set MVPD_WRITE_TO_HW
+set MVPD_READ_FROM_PNOR
+set MVPD_WRITE_TO_PNOR
+set DJVPD_READ_FROM_HW
+unset DJVPD_WRITE_TO_HW
+set DJVPD_READ_FROM_PNOR
+set DJVPD_WRITE_TO_PNOR
+unset MEMVPD_READ_FROM_HW
+unset MEMVPD_WRITE_TO_HW
+set MEMVPD_READ_FROM_PNOR
+set MEMVPD_WRITE_TO_PNOR
+unset PVPD_READ_FROM_HW
+unset PVPD_WRITE_TO_HW
+set PVPD_READ_FROM_PNOR
+set PVPD_WRITE_TO_PNOR
+unset CDIMM_FORMAT_FOR_CVPD
+
+# gpio config
+set GPIODD
+unset PALMETTO_VDDR
+
+# Enable SBE updates
+unset SBE_UPDATE_INDEPENDENT
+unset SBE_UPDATE_SEQUENTIAL
+set SBE_UPDATE_SIMULTANEOUS
+unset NO_SBE_UPDATES
+
+unset PCIE_HOTPLUG_CONTROLLER
+
+# turn on console output
+set CONSOLE
+set BMC_AST2500
+
+set DISABLE_HOSTBOOT_RUNTIME
+
+# Compile in hostboot runtime PRD
+set HBRT_PRD
+unset HTMGT
+unset START_OCC_DURING_BOOT
+
+#PNOR flags
+unset PNOR_TWO_SIDE_SUPPORT
+
+set BMC_BT_LPC_IPMI
+
+# Disable Checktop Analysis
+unset ENABLE_CHECKSTOP_ANALYSIS
+unset IPLTIME_CHECKSTOP_ANALYSIS
+
+# Hostboot will not detect hardware changes
+unset HOST_HCDB_SUPPORT
+
+# set for trace debug to console
+set CONSOLE_OUTPUT_TRACE
+
+unset CONFIG_SECUREBOOT
+unset CONFIG_TPMDD
+unset CONFIG_TPM_NUVOTON
diff --git a/openpower/configs/p9dsu_defconfig b/openpower/configs/p9dsu_defconfig
new file mode 100644
index 0000000..0d21354
--- /dev/null
+++ b/openpower/configs/p9dsu_defconfig
@@ -0,0 +1,65 @@
+BR2_powerpc64le=y
+BR2_powerpc_power8=y
+BR2_GLIBC_VERSION_2_24=y
+BR2_BINUTILS_VERSION_2_27_X=y
+BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
+BR2_GCC_VERSION_4_9_X=y
+BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
+BR2_TARGET_GENERIC_HOSTNAME="skiroot"
+BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
+BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
+BR2_TARGET_GENERIC_GETTY_PORT="hvc0"
+BR2_ENABLE_LOCALE_WHITELIST="C de en es fr it ja ko pt_BR ru zh_CN zh_TW"
+BR2_GENERATE_LOCALE="en_US.UTF-8 de_DE.UTF-8 es_ES.UTF-8 fr_FR.UTF-8 it_IT.UTF-8 ja_JP.UTF-8 ko_KR.UTF-8 pt_BR.UTF-8 ru_RU.UTF-8 zh_CN.UTF-8 zh_TW.UTF-8"
+BR2_ROOTFS_OVERLAY="../openpower/overlay"
+BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var ../openpower/scripts/firmware-whitelist"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.10.7"
+BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL_OP_BUILD_PATH)/linux"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_OP_BUILD_PATH)/configs/linux/skiroot_p9_defconfig"
+BR2_LINUX_KERNEL_ZIMAGE_EPAPR=y
+BR2_LINUX_KERNEL_XZ=y
+BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_OP_BUILD_PATH)/configs/busybox.fragment"
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
+BR2_PACKAGE_LINUX_FIRMWARE=y
+BR2_PACKAGE_LINUX_FIRMWARE_BNX2X=y
+BR2_PACKAGE_LINUX_FIRMWARE_CXGB4_T4=y
+BR2_PACKAGE_I2C_TOOLS=y
+BR2_PACKAGE_IPMITOOL=y
+BR2_PACKAGE_MDADM=y
+BR2_PACKAGE_NCURSES_WCHAR=y
+BR2_PACKAGE_DROPBEAR=y
+# BR2_PACKAGE_DROPBEAR_SERVER is not set
+BR2_PACKAGE_ETHTOOL=y
+BR2_PACKAGE_NETCAT=y
+BR2_PACKAGE_RSYNC=y
+BR2_TARGET_ROOTFS_CPIO_XZ=y
+BR2_TARGET_ROOTFS_INITRAMFS=y
+BR2_OPENPOWER_PLATFORM=y
+BR2_OPENPOWER_POWER9=y
+BR2_HOSTBOOT_CONFIG_FILE="p9dsu.config"
+BR2_OPENPOWER_PNOR_XML_LAYOUT_FILENAME="defaultPnorLayout_64.xml"
+BR2_OPENPOWER_CONFIG_NAME="p9dsu"
+BR2_OPENPOWER_XML_PACKAGE="p9dsu-xml"
+BR2_OPENPOWER_PNOR_FILENAME="p9dsu.pnor"
+BR2_OPENPOWER_PNOR_UPDATE_FILENAME="p9dsu_update.pnor"
+BR2_HOSTBOOT_BINARY_SBE_FILENAME="nimbus_sbe.img.ecc"
+BR2_HOSTBOOT_BINARY_SBEC_FILENAME="centaur_sbec_pad.img.ecc"
+BR2_HOSTBOOT_BINARY_WINK_FILENAME="p9n.ref_image.hdr.bin.ecc"
+BR2_IMA_CATALOG_FILENAME="ima_catalog.bin"
+BR2_OPENPOWER_TARGETING_BIN_FILENAME="P9DSU_HB.targeting.bin"
+BR2_OPENPOWER_TARGETING_ECC_FILENAME="P9DSU_HB.targeting.bin.ecc"
+BR2_PACKAGE_PETITBOOT=y
+BR2_PACKAGE_PETITBOOT_MTD=y
+BR2_OCC_BIN_FILENAME="occ.bin"
+BR2_CAPP_UCODE_BIN_FILENAME="cappucode.bin"
+BR2_SKIBOOT_CUSTOM_VERSION=y
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="skiboot-5.5.0"
+BR2_PACKAGE_LOADKEYS=y
+BR2_P9DSU_SYSTEM_XML_FILENAME="P9DSU_hb.system.xml"
+BR2_P9DSU_MRW_XML_FILENAME="P9DSU_hb.mrw.xml"
+BR2_P9DSU_BIOS_XML_FILENAME="P9DSU_bios.xml"
+BR2_IMA_CATALOG_DTS="POWER9"