fatload mmc 1:3 ${kernel_addr_r} Image
fatload mmc 1:3 ${fdt_addr_r} dtb
run chipa_set_linux
setenv bootargs "earlyprintk console=ttyS0,115200 debug rootwait earlycon=sbi root=/dev/mmcblk1p4"
booti ${kernel_addr_r} - ${fdt_addr_r}