Xilinx ML507 PowerPC440 soft-float, gcc-4.5.4 r184907, eglibc-2.13 with kconfig infrastructure.

Build Configuration:

BB_VERSION        = "1.16.0"
TARGET_ARCH       = "powerpc"
TARGET_OS         = "linux"
MACHINE           = "virtex5"
DISTRO            = "poky"
DISTRO_VERSION    = "1.2+snapshot-20121009"
TUNE_FEATURES     = "m32 ppc440 fpu-soft"
TARGET_FPU        = "soft"
meta
meta-yocto        = "master-xilinx-ml507-gcc-4.5:04232f5908d4a3116589193fa5f1ff526bdedacc"
toolchain-layer   = "master-xilinx-ml507-gcc-4.5:6ecfa44e5884d566ef63d9fe2ed2cebb58561bb7"
meta-xilinx       = "master-xilinx-ml507-gcc-4.5:83cd5b84650716de1ef895a6b2e078272ad453a6"

bblayer.conf:

LCONF_VERSION = "6"

BBPATH = "${TOPDIR}"
BBFILES ?= ""

BBLAYERS ?= " \
  /tool/yocto/poky/meta \
  /tool/yocto/poky/meta-yocto \
  /tool/yocto/meta-openembedded/toolchain-layer \
  /tool/yocto/meta-xilinx \
  "

local.conf:

GCCVERSION = "4.5%"
SDKGCCVERSION = "${GCCVERSION}"
BINUVERSION = "2.22"
EGLIBCVERSION = "2.13"
LINUXLIBCVERSION = "3.3"

TARGET_LINK_HASH_STYLE = ""

KERNEL_CONSOLE = "ttyS0"
SERIAL_CONSOLE = "9600 ttyS0"

XILINX_LOC ?= "/tool/xilinx/14.2/ISE_DS"

MACHINE ?= "virtex5"
XILINX_BOARD ?= "ml507"

XILINX_BSP_PATH ?= "/project/xilinx-ml507-xps-14.2-aalonso"