diff --git a/buildroot-external/board/khadas/vim3/uboot-boot.ush b/buildroot-external/board/khadas/vim3/uboot-boot.ush
index d132a5b20..46a6c19b4 100644
--- a/buildroot-external/board/khadas/vim3/uboot-boot.ush
+++ b/buildroot-external/board/khadas/vim3/uboot-boot.ush
@@ -1,17 +1,17 @@
 
 ###########################################
 
-part start mmc ${devnum} 9 mmc_env
-mmc dev ${devnum}
+part start ${devtype} ${devnum} 9 mmc_env
+${devtype} dev ${devnum}
 setenv loadbootstate " \
     echo 'loading env...'; \
-    mmc read ${ramdisk_addr_r} ${mmc_env} 0x10; \
+    ${devtype} read ${ramdisk_addr_r} ${mmc_env} 0x10; \
     env import -c ${ramdisk_addr_r} 0x2000;"
 
 setenv storebootstate " \
     echo 'storing env...'; \
     env export -c -s 0x2000 ${ramdisk_addr_r} BOOT_ORDER BOOT_A_LEFT BOOT_B_LEFT MACHINE_ID; \
-    mmc write ${ramdisk_addr_r} ${mmc_env} 0x10;"
+    ${devtype} write ${ramdisk_addr_r} ${mmc_env} 0x10;"
 
 run loadbootstate
 test -n "${BOOT_ORDER}" || setenv BOOT_ORDER "A B"
@@ -29,31 +29,31 @@ setenv bootargs_a "root=PARTUUID=48617373-06 ro rootwait"
 setenv bootargs_b "root=PARTUUID=48617373-08 ro rootwait"
 
 # Load environment from haos-config.txt
-if test -e mmc ${devnum}:1 haos-config.txt; then
-  fatload mmc ${devnum}:1 ${ramdisk_addr_r} haos-config.txt
+if test -e ${devtype} ${devnum}:1 haos-config.txt; then
+  fatload ${devtype} ${devnum}:1 ${ramdisk_addr_r} haos-config.txt
   env import -t ${ramdisk_addr_r} ${filesize}
 fi
 
 # Load extraargs
-fileenv mmc ${devnum}:1 ${ramdisk_addr_r} cmdline.txt cmdline
+fileenv ${devtype} ${devnum}:1 ${ramdisk_addr_r} cmdline.txt cmdline
 
 # Load device tree
 setenv fdtfile "meson-g12b-s922x-khadas-vim3.dtb"
 echo "Loading standard device tree ${fdtfile}"
-fatload mmc ${devnum}:1 ${fdt_addr_r} ${fdtfile}
+fatload ${devtype} ${devnum}:1 ${fdt_addr_r} ${fdtfile}
 fdt addr ${fdt_addr_r}
 
 # load dt overlays
 fdt resize 65536
 for overlay_file in ${overlays}; do
-  if fatload mmc ${devnum}:1 ${ramdisk_addr_r} overlays/${overlay_file}.dtbo; then
+  if fatload ${devtype} ${devnum}:1 ${ramdisk_addr_r} overlays/${overlay_file}.dtbo; then
     echo "Applying kernel provided DT overlay ${overlay_file}.dtbo"
     fdt apply ${ramdisk_addr_r} || setenv overlay_error "true"
   fi
 done
 if test "${overlay_error}" = "true"; then
   echo "Error applying DT overlays, restoring original DT"
-  fatload mmc ${devnum}:1 ${fdt_addr_r} ${fdtfile}
+  fatload ${devtype} ${devnum}:1 ${fdt_addr_r} ${fdtfile}
 fi
 
 # logical volumes get numbered after physical ones.
@@ -74,7 +74,7 @@ for BOOT_SLOT in "${BOOT_ORDER}"; do
     if test ${BOOT_A_LEFT} -gt 0; then
       setexpr BOOT_A_LEFT ${BOOT_A_LEFT} - 1
       echo "Trying to boot slot A, ${BOOT_A_LEFT} attempts remaining. Loading kernel ..."
-      if load mmc ${devnum}:5 ${kernel_addr_r} Image; then
+      if load ${devtype} ${devnum}:5 ${kernel_addr_r} Image; then
           setenv bootargs "${bootargs_hassos} ${bootargs_a} rauc.slot=A ${cmdline}"
       fi
     fi
@@ -82,7 +82,7 @@ for BOOT_SLOT in "${BOOT_ORDER}"; do
     if test ${BOOT_B_LEFT} -gt 0; then
       setexpr BOOT_B_LEFT ${BOOT_B_LEFT} - 1
       echo "Trying to boot slot B, ${BOOT_B_LEFT} attempts remaining. Loading kernel ..."
-      if load mmc ${devnum}:7 ${kernel_addr_r} Image; then
+      if load ${devtype} ${devnum}:7 ${kernel_addr_r} Image; then
           setenv bootargs "${bootargs_hassos} ${bootargs_b} rauc.slot=B ${cmdline}"
       fi
     fi