OSPI

An Octal Serial Peripheral Interface (OSPI) Flash is populated on the SOM as a programmable nonvolatile storage. The OSPI Flash can be used for a fast boot. This guide will walk through how to flash the SOM’s OSPI via U-boot or Linux, followed by booting from OSPI. For more information on OSPI, please see section 6.1.4 in the phyCORE-AM62x Hardware Manual.

Flashing the OSPI Flash is detailed in its dedicated chapter, referenced as Flashing the SPI NOR Flash.

Boot from OSPI

The phyCORE-AM62x development kit is configured to boot from an SD Card slot by default. This guide will serve to provide basic steps for booting from the SOM’s onboard OSPI flash memory after it has been flashed.

  • S10 should be ON.

../_images/pb-07124_boot-ospi.png phyCORE-AM62x Boot Switches

Note

Be mindful of the switch orientation!

  • Once you boot into linux, in order to populate the /dev directory, you must run the following command. Once /dev is populated, you can write to the eMMC.

    phyboard-lyra-am62xx-3:~# mount -t devtmpfs udev /dev