diff --git a/openpower/configs/openpower_p9_mambo_defconfig b/openpower/configs/openpower_p9_mambo_defconfig
new file mode 100644
index 0000000..a74d8fb
--- /dev/null
+++ b/openpower/configs/openpower_p9_mambo_defconfig
@@ -0,0 +1,45 @@
+BR2_powerpc64le=y
+BR2_powerpc_power8=y
+BR2_CCACHE=y
+BR2_KERNEL_HEADERS_4_4=y
+BR2_GLIBC_VERSION_2_23=y
+BR2_BINUTILS_EXTRA_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
+BR2_EXTRA_GCC_CONFIG_OPTIONS="--enable-targets=powerpc64-linux"
+BR2_ENABLE_LOCALE_PURGE=y
+BR2_ENABLE_LOCALE_WHITELIST="C en_US"
+BR2_GENERATE_LOCALE="en_US.UTF-8"
+BR2_TARGET_GENERIC_HOSTNAME="skiroot-p9"
+BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
+BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
+BR2_TARGET_GENERIC_GETTY_PORT="hvc0"
+BR2_ROOTFS_OVERLAY="../openpower/overlay"
+BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://cdn.kernel.org/pub/linux/kernel/v4.x/testing/linux-4.7-rc3.tar.xz"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
+BR2_LINUX_KERNEL_ZIMAGE_EPAPR=y
+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_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_PACKAGE_HOSTBOOT is not set
+# BR2_PACKAGE_HOSTBOOT_BINARIES is not set
+# BR2_PACKAGE_OPENPOWER_PNOR is not set
+BR2_OPENPOWER_CONFIG_NAME="openpower-mambo-p9"
+BR2_PACKAGE_PETITBOOT=y
+# BR2_PACKAGE_OCC is not set
+BR2_SKIBOOT_CUSTOM_VERSION=y
+BR2_SKIBOOT_CUSTOM_VERSION_VALUE="8c2f3fe5639b1fbdd1aa3b13552d9666ecd81d05"