test -n ${interface} || setenv interface mmc
test -n ${drive} || setenv drive 1
setenv uboot_hwpart 1

setenv set_blkcnt 'setexpr blkcnt ${filesize} + 0x1ff && setexpr blkcnt ${blkcnt} / 0x200'
#workaround U-Boot counting in hex and split did in decimal
setenv incr_decimal 'setexpr filenum ${filenum} + 1; setexpr filenrlow1 ${filenum} % 0x100; setexpr filenrlow2 ${filenrlow1} % 0x10; test ${filenrlow1} -eq "9a" && test ${filenrlow2} -ne "9" && setexpr filenum ${filenum} + 0x66; test ${filenrlow1} -ne "9a" && test ${filenrlow2} -eq "a" && setexpr filenum ${filenum} + 0x6; true'
setenv set_nextnum 'run incr_decimal; setexpr blkstart ${blkstart} + ${blkcnt}'

setenv check_configblock 'setexpr toradex_oui_addr ${fdt_addr_r} + 8; mw.l ${kernel_addr_r} 0x002d1400; mmc dev 0 1; for off in 7ff fff 1fff 3fff 7fff ffff 1ffff; do mmc read ${fdt_addr_r} ${off} 1 && setenv conf_blk_offset $off; done; cmp.b ${kernel_addr_r} ${toradex_oui_addr} 3'

setenv migrate_configblock 'run check_configblock; mmc dev 0 0 && mmc read ${fdt_addr_r} 0x500 1 && cmp.b ${kernel_addr_r} ${toradex_oui_addr} 3 && mmc dev 0 1 && mmc write ${fdt_addr_r} ${conf_blk_offset} 1'

setenv migrate_uboot_old 'setenv uboot_hwpart 0; run update_spl && run update_uboot_bin; setenv uboot_hwpart 1'
setenv migrate_uboot 'run update_spl && run update_uboot_bin && mmc bootbus 0 2 1 2 && mmc partconf 0 1 1 0'

setenv cp_file_chunk 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/root.ext4-${filenum} || setenv filesize 0; run set_blkcnt; mmc dev 0 0 && mmc write ${fdt_addr_r} ${blkstart} ${blkcnt}'

setenv update_spl 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/SPL && run set_blkcnt && mmc dev 0 ${uboot_hwpart} && mmc write ${fdt_addr_r} 2 ${blkcnt}'
setenv update_uboot_bin 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/u-boot.img && run set_blkcnt && mmc dev 0 ${uboot_hwpart} && mmc write ${fdt_addr_r} 8a ${blkcnt}'
setenv update_uboot 'run update_uboot_bin && updt_fuse && mmc bootbus 0 2 0 1 && mmc partconf 0 1 1 0 && mmc rst-function 0 1'

setenv update_kernel 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/zImage && fatwrite mmc 0:1 ${fdt_addr_r} zImage ${filesize}'

setenv update_fdt 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/${fdt_file} && fatwrite mmc 0:1 ${fdt_addr_r} ${fdt_file} ${filesize}'

setenv update_configblock 'run check_configblock; load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/configblock.bin && mmc dev 0 1 && mmc write ${fdt_addr_r} ${conf_blk_offset} 1'

setenv update_1 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/mbr.bin && mmc dev 0 0 && mmc write ${fdt_addr_r} 0x0 0x1'
setenv update_2 'load ${interface} ${drive}:1 ${fdt_addr_r} ${board_name}/boot.vfat && run set_blkcnt && mmc dev 0 0 && mmc write ${fdt_addr_r} 0x2000 ${blkcnt}'
#do it in chunks of 64M to fit into DDR RAM of the smallest module
setenv update_3 'setenv filesize 4000000; setenv filenum 100; setenv blkstart a000; while test ${filesize} -eq "4000000"; do run cp_file_chunk; run set_nextnum; done; true'

setenv echo_migrate echo "successfully updated U-Boot, power-cycle and enter \"run setupdate\; run migrate\" to complete update"
setenv migrate 'run migrate_configblock; run update_latest; reset'
setenv update_v2.4b1 'run check_configblock || run migrate_configblock; run migrate_uboot_old && run echo_migrate'
setenv update_v2.5b3 'run check_configblock || run migrate_configblock; run migrate_uboot && run echo_migrate'

# Not migrated to SPL if no U-Boot Image Magic Number at 69k into the eMMC
setenv update_to_spl 'mmc dev 0 1; mmc read $fdt_addr_r 8a 1; itest.l *12000000 -ne 56190527 && run update_spl'
setenv update_latest 'run update_to_spl; run update_uboot; run update_1; run update_2; run update_kernel; run update_fdt; run update_3'
# 'updt_fuse' not available in V2.5 Beta 3 and earlier, migration needed
setenv update_new 'updt_fuse -n && run update_latest && reset; run update_v2.5b3'
# 'mmc bootbus' not available in in V2.4 Beta 1 and earlier, migration needed
setenv update 'mmc bootbus 0 2 0 1 && run update_new && exit; run update_v2.4b1'

echo 'enter "run update" to update the entire module'