- "update=protect off " MK_STR(CONFIG_SYS_FLASH_BASE) " +${filesize};" \
- "erase " MK_STR(CONFIG_SYS_FLASH_BASE) " +${filesize};" \
- "cp.b ${u-boot_addr_r} " MK_STR(CONFIG_SYS_FLASH_BASE) \
+ "update=protect off " __stringify(CONFIG_SYS_FLASH_BASE) \
+ " +${filesize};" \
+ "erase " __stringify(CONFIG_SYS_FLASH_BASE) " +${filesize};" \
+ "cp.b ${u-boot_addr_r} " __stringify(CONFIG_SYS_FLASH_BASE) \