diff --git a/include/configs/phycore_imx8mm.h b/include/configs/phycore_imx8mm.h
index dd7cfdba52..0910ae2d87 100644
--- a/include/configs/phycore_imx8mm.h
+++ b/include/configs/phycore_imx8mm.h
@@ -29,6 +29,14 @@
 	"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
 	"mmcpart=1\0" \
 	"mmcroot=2\0" \
+	"update_offset=0x42\0" \
+	"update_filename=flash.bin\0" \
+	"update_bootimg="						\
+		"mmc dev ${mmcdev} ; "		\
+		"if dhcp ${loadaddr} ${update_filepath}/${update_filename} ; then "	\
+		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
+		"mmc write ${loadaddr} ${update_offset} ${fw_sz} ; "	\
+		"fi\0" \
 	"mmcautodetect=yes\0" \
 	"mmcargs=setenv bootargs console=${console} " \
 		"root=/dev/mmcblk${mmcdev}p${mmcroot} rootwait rw\0" \