---
title: phyCORE-AM64x Software Release (BSP-Yocto-AM64x-PD23.1.0) - PHYTEC
description: "Software Release Name: BSP-Yocto-AM64x-PD23.1.0"
---

[phyBlog ](https://blog.phytec.com)

# [phyCORE-AM64x Software Release (BSP-Yocto-AM64x-PD23.1.0) - PHYTEC](https://blog.phytec.com/phycore-am64x-software-release-bsp-yocto-am64x-pd23-1-0)

 Written by [Dezirae Archuleta](https://blog.phytec.com/author/dezirae-archuleta) | April 14, 2023

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

**Release Date:** April 21, 2023**Release Highlights:**

**Yocto**

- 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

## Quick Links

[ Release Notes      ](https://docs.phytec.com/phycore-am64x/bsp-yocto-am64x-pd23.1.0/phycore-am64x/releasenotes/index.html) [ Quickstart       ](https://docs.phytec.com/phycore-am64x/bsp-yocto-am64x-pd23.1.0/phycore-am64x/quickstart/index.html) [ Binary Images ](https://docs.phytec.com/phycore-am64x/bsp-yocto-am64x-pd23.1.0/phycore-am64x/prebuiltbinaries/index.html)

 

 

**View Full Release Notes Here:** [https://docs.phytec.com/phycore-am64x/bsp-yocto-am64x-pd23.1.0/phycore-am64x/releasenotes/index.html](https://docs.phytec.com/phycore-am64x/bsp-yocto-am64x-pd23.1.0/phycore-am64x/releasenotes/index.html)

**Repo Links**

**U-Boot:** [https://github.com/phytec/u-boot-phytec-ti/tree/v2021.01_08.06.00.002-phy3](https://github.com/phytec/u-boot-phytec-ti/tree/v2021.01_08.06.00.002-phy3) (tag: v2021.01_08.06.00.002-phy3)

**Linux:** [https://github.com/phytec/linux-phytec-ti/tree/v5.10.120-phy3 ](https://github.com/phytec/linux-phytec-ti/tree/v5.10.158-phy2)(tag: v5.10.158-phy2)

**Yocto: **[https://git.phytec.de/meta-phytec/commit/?h=dunfell](https://git.phytec.de/meta-phytec/commit/?h=dunfell) (tag: BSP-Yocto-AM64x-PD23.1.0)

To evaluate the [phyCORE-AM64x](https://www.phytec.com/product/phycore-am64x/) purchase a [development kit](https://www.phytec.com/product/phyboard-am64x-development-kit/) or get in touch with the [PHYTEC Sales Team](https://www.phytec.com/contact/) today!

<https://www.phytec.com/product/phyboard-am64x-development-kit/>[Buy Development Kit](https://www.phytec.com/product/phyboard-am64x-development-kit/)

[View full post](https://blog.phytec.com/phycore-am64x-software-release-bsp-yocto-am64x-pd23-1-0)

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