hi yipingwang
Start via sd card root@TinyLinux:/run. . ? program emmc
Yes, starting from TinyLinux ramdisk rootfs.
1. Please generate atf image with RCW rcw_1600_qspiboot_emmc.rcw, and deploy ATF image on LS1046ARDB.
2. Please boot up the system with yocto tiny image, and copy flex-installer to the target board.
3. Execute the following command to deploy eMMC firmware, Linux Kernel and rootfs to eMMC card on the target board.
# ./flex-installer -i pf -p 4P=20M:1800M:20M:-1 -d /dev/mmcblk0
./flex-installer -b bootpartition_LS_arm64_lts_4.19.tgz -r rootfs_lsdk2004_ubuntu_lite_arm64.tgz -f firmware_ls1046ardb_uboot_emmcboot.img -d /dev/mmcblk0
4. Go to u-boot
=> cpld reset sd