update_u-boot=echo << Update u-boot (u-boot.bin) >>; fatload ${bootdev} 0 $loadaddr u-boot.bin; protect off nor0,0; erase nor0,0; cp.b $loadaddr 0x0 $filesize; protect on nor0,0; update_kernel=echo << Update kernel (uImage) >>; fatload ${bootdev} 0 $loadaddr uImage; protect off nor0,2; erase nor0,2; cp.b $loadaddr 0x100000 $filesize; protect on nor0,2; update_rootfs=echo << Update rootfs (rootfs.ubi) >>; fatload ${bootdev} 0 $loadaddr rootfs.ubi; protect off nor0,3; erase nor0,3; cp.b $loadaddr 0x800000 $filesize; protect on nor0,3; bootenvcmd=run update_kernel; run update_rootfs