m_load_fdt.uboot

# m_load_fdt
# load device tree binary
#
# global varable
# - list of file names (`fdt`): _StringValue_
# - load address (`fdt_addr_r`): _HexValue_
# - name prefix (`prefix`): _StringValue_
#
# input parameter
# - storage class (`p_class`): mmc, usb, sata
# - storage device (`p_device`): _HexValue_
#
# output parameter
# - fdt_addr_r will be set to '-' if no dtb file was loaded

if test "${fdt}" != ""; then
  v_success=false;
  for v_fdt in ${fdt}; do
    if test ${v_success} = false; then
      p_filename=${prefix}/${p_conf}/kernel/${v_fdt};
      p_loadaddr=${fdt_addr_r};
      if run m_load; then
        if test ${dbglevel} -gt 0; then
          echo [m_load_fdt]Device Tree loaded from ${p_class}:${p_device}:${p_filename}, size ${filesize};
        fi;
        v_success=true;
      else
        if test ${errlevel} -gt 0; then
          echo [m_load_fdt]Loading device tree from ${p_class}:${p_device}:${p_filename} failed!;
        fi;
        v_success=false;
      fi;
    fi;
  done;
  if test ${v_success} = false; then
    setenv fdt_addr_r -;
  fi;
else
  setenv fdt_addr_r -;
fi;
true;
# vim:ft=sh