Example.md

Basic

Download boot loader for imx6\imx7

uuu uboot.imx

Download boot loader for imx8qxp

uuu flash.bin

Download SPL and uboot, such as imx8mq.

uuu sdp: boot -f flash.bin
uuu sdpu: delay 1000
uuu sdpu: write -f flash.bin -offset 0x57c00
uuu sdpu: jump

Burn Android Image to eMMC

uuu android.zip

Talk with fastboot

boot linux kernel

uuu FB: ucmd setenv fastboot_buffer ${loadaddr}
uuu FB: download –f Image
uuu FB: ucmd setenv fastboot_buffer ${fdt_addr}
uuu FB: download –f imx8qxp_mek.dtb
uuu FB: acmd booti ${loadaddr} - ${fdt_addr}

Extended environment for fastboot

fastboot_buffer      Image download address
fastboot_bytes       reflect previous download image byte size 

write image to emmc

uuu FB: flash -raw2sparse all <image file>

built-in script

uuu -b emmc bootloader              Write bootloader to emmc
uuu -b qspi bootloader              write bootloader to sd

multi boards support

For the same boards

uuu -d uuu.auto The same boards connected

For the difference boards

uuu -d -m 1:1 2:1 boardA_uuu.auto monitor port 1:1 and 2:1 for boardsA. uuu -d -m 1:3: 4:1 boardB_uuu.auto monitor port 1:3 and 4:1 for boardsB.

Note: please avoid monitor the same port by difference uuu instance, which cause unexpected result.