# short-description: Create SD card image with a boot partition for i.MX8M # long-description: # Create an image that can be written onto a SD card using dd for use # with i.MX8M SoC family # It uses binary boot container called flash.bin provided directly by # the U-Boot recipe, and U-Boot ITB files which is created by binman utility # of U-Boot. # Those files are added it into the boot partition, which is populated as a # raw copy into the image. # Boot container prepared by U-Boot already container SPL, U-Boot itself, # U-Boot DTB file, ATF, and optional OP-TEE components. # # The disk layout used is: # - ----------- -------------- ------------- # | | flash.bin | boot | rootfs | # - ----------- -------------- ------------- # ^ ^ ^ ^ ^ # | | | | | # 0 | 8MiB 72MiB 72MiB + rootfs + IMAGE_EXTRA_SPACE (default 10MiB) # ${IMX_BOOT_SEEK} 32 or 33kiB, see reference manual # part u-boot --source rawcopy --sourceparams="file=flash.bin" --ondisk mmcblk --no-table --align ${IMX_BOOT_SEEK} part /boot --source bootimg-partition --ondisk mmcblk --fstype=vfat --label boot --active --align 8192 --size 64 part / --source rootfs --ondisk mmcblk --fstype=ext4 --label root --align 8192 bootloader --ptable msdos