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setenv create_bcb 'nand erase.part vf-bcb && writebcb 0x20000 0x20000'
setenv update_configblock 'fatload ${interface} 0:1 ${fdt_addr_r} ${board_name}/configblock.bin && nand write ${fdt_addr_r} 0x800 ${filesize}'
# Migrate to UBI volume based boot schema
setenv prepare_kernel_fdt 'ubi create kernel 0x800000 static && ubi create dtb 0x20000 static'
setenv prepare_rootfs 'ubi create rootfs 0 dynamic'
setenv prepare_ubi 'ubi part ubi && if ubi check rootfs; then if ubi check kernel; then else ubi remove rootfs && run prepare_kernel_fdt && run prepare_rootfs; fi; else run prepare_kernel_fdt && run prepare_rootfs; fi'
setenv update_uboot 'fatload ${interface} 0:1 ${fdt_addr_r} ${board_name}/u-boot-nand.imx && nand erase.part u-boot && nand erase.part u-boot-env && nand write ${fdt_addr_r} u-boot'
setenv update_kernel 'fatload ${interface} 0:1 ${fdt_addr_r} ${board_name}/zImage && ubi write ${fdt_addr_r} kernel ${filesize}'
setenv update_fdt 'fatload ${interface} 0:1 ${fdt_addr_r} ${board_name}/${soc}-colibri-${fdt_board}.dtb && ubi write ${fdt_addr_r} dtb ${filesize}'
setenv update_rootfs 'fatload ${interface} 0:1 ${fdt_addr_r} ${board_name}/ubifs.img && ubi write ${fdt_addr_r} rootfs ${filesize}'
setenv update_new 'run update_uboot; run prepare_ubi && run update_kernel && run update_fdt && run update_rootfs; reset'
# Upgrade part 1, write new U-Boot, but with old ECC format still...
# Store config block temporarly in memory at kernel_addr_r.
setenv upgrade_part1 'run update_uboot && nand read ${kernel_addr_r} 0x800 0x20 && echo "${upgrade_part1_msg}"'
setenv upgrade_part1_msg 'Successfully updated U-Boot, NAND upgrade required. Enter "reset", interrupt boot process and enter "run setupdate; run upgrade_part2" to complete upgrade.'
# Upgrade part 2, use new ECC format for the whole device...
setenv upgrade_part2 'run create_bcb && nand write ${kernel_addr_r} 0x800 0x20 && run update_uboot && nand erase.part ubi && run update_rootfs && echo ${upgrade_part2_msg}'
setenv upgrade_part2_msg 'Successfully upgraded module, enter "reset" to restart the module.'
# fsl_nfc indicates old NAND format (24-bit ECC), start migration process
setenv update 'mtdparts default && if test "${mtdids}" = "nand0=fsl_nfc"; then; run upgrade_part1; else run update_new; fi'
echo 'enter "run update" to update the entire module'
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