phyCORE-AM64x Software Release – (BSP-Yocto-AM64x-PD23.1.0)

Software Release Name: BSP-Yocto-AM64x-PD23.1.0

Release Date: April 21, 2023

Release Highlights:


  • Switched to PHYTEC Yogurt Reference Linux Distribution and phytec-headless-image

Linux Kernel

  • New device tree overlay for co-processors (k3-am64-phyboard-electra-rpmsg.dtbo)

U-Boot Bootloader

  • Storage device for the boot environment gets determined by the boot device used
    • For SDMMC and EMMC, environment is stored in the boot partition (CONFIG_ENV_IS_IN_FAT=y)
    • For SPI NOR Flash, environment is stored at a fixed offset
  • Automatic SOM variant detection (implemented but not active)
  • New DDR settings with extended temperature range + lower refresh interval
  • Switched kernel command line to look for fixed devices instead of partition UUIDs
    • Booting from EMMC mounts rootfs via /dev/mmcblk0
    • Booting from SDMMC mounts rootfs via /dev/mmcblk1
  • OSPI NOR flash boot

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