Hello
On A20 MICRO.
How to boot from disk without spi memory, or leave a minimum of things on the sd disk, in order to have the maximum amount of writing on the sata disk Thank you for all your suggestions
boot from micro sd card with the Olimex image and change the boot order in u-boot:
=> printenv boot_targets
boot_targets=fel mmc_auto scsi0 usb0 pxe dhcp
=> setenv boot_targets fel scsi0 mmc_auto usb0 pxe dhcp
=> saveenv