BSP-Yocto-NXP-i.MX8MP-PD26.1.0

Release Notes

Linux NXP Vendor Kernel v6.12.49-2.2.0-phy11 (based on NXP tag lf-6.12.49-2.2.0)
U-boot v2025.04-2.2.0-phy9 (based on NXP tag lf-6.12.49-2.2.0)
Yocto 5.2.4 (Walnascar)
Qt 6.8
OP-TEE 4.8
RAUC 1.14

Tested Yocto Images

phytec-chromium-image
phytec-qt6demo-image
phytec-vision-image
phytec-provisioning-image
phytec-securiphy-image
phytec-headless-image

Supported Machines

phyboard-pollux-imx8mp-3
imx8mp-phyflex-libra-rdk-2

Build Environment

Ubuntu 24.04 64-bit

Changes

Move OP-TEE to end of 1GiB addressable RAM (0x7e000000) BSPIMX8M-4034
replaced imx8mp-libra-fpsc-1 with imx8mp-phyflex-libra-rdk-2 machine
i.MX8MP-FPSC release is integrated into the i.MX8MP releases.

New Features

Chromium image
ampliphy-boot
4GiB RAM support on phyFLEX Libra (ALPHA)
EEPROM detection support in U-Boot on phyFLEX Libra
VPU support on phyFLEX Libra
thermal management on phyFLEX Libra (U-Boot and Linux)
support for VM-024 phyCAM-M

Issues fixed

Fixed RS232 flow control on phyFLEX Libra
Fixed video playback issue

Defeatured

legacyboot support in built-in U-Boot environment for phyBOARD Pollux

Known Issues/Limitations

No audio support
No wireless support (Bluetooth, WiFi)
No NPU support
No support for 8GiB RAM variant
no EFI support
No LED support on phyBOARD Pollux
No USB-C support for phyFLEX Libra
4GiB RAM Timings on phyFLEX Libra not fully validated yet
phyboard-pollux-imx8mp-3: Upper USB port on X5 connector doesn't work reliable in host mode in bootloader
shutdown from Linux might sometimes take longer due to systemd stop job running
Reduction of CMA size to half for phyBOARD Pollux 1GiB RAM SoM
Increased resume duration during suspend to RAM

i.MX 8M Plus phyBOARD-Pollux

The BSP Manual for i.MX 8M Plus phyBOARD-Pollux can be found here.

Part Number Summary

Hardware Summary

Part Number	Hardware Description	Configuration Details (SoC / RAM / eMMC / NOR / Eth PHY / RTC / Temp Rating)	PCB Version
PCM-070-0F3243I.A7	phyCORE-i.MX8MP SoM	i.MX8MP 4x1.6GHz / 2GB (2GHz) / 8GB / 64MB / Yes / Yes / Industrial	1549.3
PCM-070-0F3403X.A0	phyCORE-i.MX8MP SoM	i.MX8MP 4x1.6GHz / 2GB (2GHz) / 32GB / - / Yes / Yes / Extended	1549.3
PCM-070-0F8443I.A1	phyCORE-i.MX8MP SoM	i.MX8MP 4x1.6GHz / 4GB (2GHz) / 32GB / 64MB / Yes / Yes / Industrial	1549.3
PCM-070-173203C.A1	phyCORE-i.MX8MP SoM	i.MX8MP 4x1.8GHz / 2GB (2GHz) / 8GB / - / Yes / Yes / Consumer	1549.3
PCM-070-102105C.A5	phyCORE-i.MX8MP SoM	i.MX8MP 4x1.8GHz / 1GB (2GHz) / 4GB / - / Yes / - / Consumer	1549.3
PB-03123-003.A4	phyBOARD Pollux SBC		1552.2

Kit Summary

Part Number	Yocto Machine	Hardware Description
KPB-03123-Video-L02	phyboard-pollux-imx8mp-3	Embed Imag Kit i.MX 8M Plus Pollux
KPB-03123-Video-L01	phyboard-pollux-imx8mp-3	EmbedImag Kit i.MX 8M Plus Pollux FF
KPB-03123-AI.A2	phyboard-pollux-imx8mp-3	I.MX8M PLUS Artificial intelligence Kit
KPB-03123-003.A0	phyboard-pollux-imx8mp-3	I.MX8M PLUS phyBOARD-POLLUX FF Kit
KPB-03123-001.A3	phyboard-pollux-imx8mp-3	I.MX8M PLUS phyBOARD-POLLUX FF Kit
PB-03123-AI-Kit.A3-00	phyboard-pollux-imx8mp-3	PB Pollux KI Kit/4x1.6GHz/24V/I/DEV

Supported Boot Sources

The following keywords might be used in the Status column:

Supported: Feature is tested and works.
Unsupported: Feature is not implemented.
Partly Supported: Some parts of the feature are supported, but not the full functionality. More detailed description is in the Notes column.
Untested: Feature has been implemented, but not or not fully tested/validated.
Broken: Feature has been implemented, but does not work due to a bug.

Boot Source	Release Status	Upstream Status	Notes
eMMC	Supported	Supported	Default
SD-Card	Supported	Supported
SPI NOR Flash	Supported	Supported
Ethernet	Supported	Supported	only kernel
USB Serial downloader (UUU)	Supported	Supported	upper USB-A port

Supported Features

Feature	Sub-Feature	Release Status	Upstream Status	Notes
RAM / EEPROM Detection	2GiB RAM	Supported	Supported	Fallback size
	1GiB RAM	Supported	Supported
	4GiB RAM	Supported	Supported
	Read out and evaluate EEPROM data	Supported	Supported
	RAM detection and fallback	Supported	Supported
eMMC		Supported	Supported
SD-Card		Supported	Supported
SPI NOR Flash		Supported	Supported
Ethernet	SoM Ethernet	Supported	Supported
	Board Ethernet	Supported	Supported
PEB-WLBT-05	WiFi	Unsupported	Unsupported
	Bluetooth	Unsupported	Unsupported
Bootflow	ampliphy-boot	Supported	Partly Supported	patches pending for upstream
	extensions	Unsupported	Unsupported
	legacyboot	Unsupported	Unsupported
	Watchdog	Supported	Supported
USB Serial downloader (UUU flash + boot)		Supported	Partly Supported	upstream only eMMC can be flashed
USB-A (Host)		Supported	Supported
PCI Express		Supported	Unsupported
LEDs		Unsupported	Supported
EEPROM		Supported	Supported
RTC		Supported	Supported
RS485		Supported	Supported
RS232		Supported	Supported
CAN		Supported	Supported
LVDS onboard	ETML1010G3DRA	Supported	Supported
	ph128800t006	Supported	Supported
Mipi DSI		Unsupported	Unsupported
HDMI		Supported	Unsupported
PEB-AV-10	ETML1010G3DRA	Supported	Supported
	ph128800t006	Supported	Supported
	Audio	Broken	Untested
Dual Display Support		Supported	Untested
GPU		Supported	Untested
VPU		Supported	Broken
QT6 demo		Supported	Supported
Suspend to RAM		Supported	Unsupported
Deactivate Cores		Supported	Unsupported
Frequency scaling		Supported	Supported
Thermal management		Supported	Supported
ON/OFF + Reset Button		Supported	Supported
PWM Fan		Unsupported	Unsupported
GPIO FAN		Supported	Supported
Chromium		Supported	Untested
NPU		Unsupported	Unsupported
M7 core		Supported	Unsupported	Basis support (mcux examples)
MIPI-CSI 1 and 2 (phyCAM)	vm-016 phyCAM-M vm-016 phyCAM-L vm-017 phyCAM-M vm-017 phyCAM-L vm-020 phyCAM-M vm-020 phyCAM-L vm-024 phyCAM-M	Supported	Unsupported
ISP	Bayer Pattern Conversion	Supported	Unsupported	not supported for VM-024
	Auto White Balance	Supported	Unsupported	not supported for VM-024
	Autofocus	Unsupported	Unsupported
	Auto Exposure	Supported	Unsupported	not supported for VM-024
	Lens Correction	Supported	Unsupported	not supported for VM-024
Security	Secure Boot	Supported	Unsupported
	Secure Storage	Supported	Unsupported
	Secure Key Storage - CAAM Unit Support	Supported	Unsupported
	Secure Key Storage - TPM Support	Supported	Unsupported
	Secure Key Storage - TEE Support	Supported	Unsupported
	Protection Shield V2 (User and access)	Supported	Unsupported
RAUC		Supported	Supported

i.MX 8M Plus phyFLEX Libra RDK

The BSP Manual for i.MX 8M Plus phyFLEX Libra RDK can be found here.