+ "fi\0" \
+ "update_sd_firmware=" /* Update the SD firmware partition */ \
+ "if mmc rescan ; then " \
+ "if tftp ${update_sd_firmware_filename} ; then " \
+ "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
+ "setexpr fw_sz ${fw_sz} + 1 ; " \
+ "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
+ "fi ; " \