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Operating System Linux
BSP Release Status

RELEASED

Release Date

    

Repository PHYTEC Public Repos
Binaries BSP-Yocto-FSL-iMX7-PD17.2.0.tar.bz2
Source Archive
Release Notes

Click Here


Introduction


This BSP provides a basis for development, deployment and execution of Linux based applications on the iMX7 System on Module (SOM). For detailed information on the various software components included in the release and how to use them, please refer to the Quickstart.

Versioning


Software

Linux Kernel 4.1.15 (Based on NXP Release L4.1.15-2.0.1_ga)
U-Boot 2016.03 (Based on NXP Release L4.1.15-2.0.1_ga)
Yocto 2.1.1 Krogoth(Based on NXP Release L4.1.15-2.0.1_ga )
Qt Not Supported (Click Here for more info)
Host OS Tested on 64-bit Ubuntu 14.04 LTS


Hardware

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Yocto Machine Config Kit Part Number

SOM Part Number

Modules U-Boot defconfig Kernel Device Tree File
imx7d-phyboard-zeta-001

PB-01910-001

(i.MX7Dual Kit)

PCM-061-2110111C

PEB-EVAL-02

PEB-WLBT-03

PEB-AV-02

mx7d_pcm061_21x_config

imx7d-phyboard-zeta-001.dtb
imx7s-phyboard-zeta-002

PB-01910-002

(i.MX7Solo Kit)

PCM-061-0502100E

PEB-EVAL-02

PEB-WLBT-03

mx7s_pcm061_05x_config

imx7s-phyboard-zeta-002.dtb


Linux Device Tree Summary

The following is an example describing the structure of the device tree for the standard phyBOARD-Zeta Kit (machine configuration imx7d-phyboard-zeta-001).

Please look at the dts file corresponding to your machine configuration for the included dtsi files.

Default dts targets imx7d-phyboard-zeta-001.dts
Default dtsi include description Default dtsi include list
SOM (Superset) - defines all SOM population options.

imx7-phycore-som.dtsi

SOM part number - enables features that are populated on SOM variant PCM-061-2110111C. imx7d-pcm-061-2110111c.dtsi
Carrier Board imx7-pba-c-09.dtsi
LCD Display Adapter imx7-peb-av-02.dtsi
Evaluation Board imx7-peb-eval-02.dtsi
WiFi/Bluetooth Module imx7-peb-wlbt-03.dtsi


Alternate dts imx7d-phyboard-zeta-001-m4.dtbconfigure u-boot to use this DTS if running Linux on the Cortex-A7 while running FreeRTOS on the Cortex-M4

Compatible Hardware

Supported Hardware Versions

Hardware Description Part Number PCB Version
phyCORE-i.MX7 SOM

PCM-061.A4

1458.2

PCM-061-2110111C.A0

1458.2

PCM-061-2110111C.A1

1458.2
PCM-061-0502100E.A0 1458.2
phyBOARD-Zeta Carrier Board

PBA-C-09.A4

1459.2

PBA-C-09.A5 1459.3

Device tree changes are required to support earlier SOM and Carrier Board revisions. Visit the PHYTEC Support Portal to open a support ticket for help on how to make the device tree changes.

Compatible Expansion Boards and Accessories

Module Name Part Number PCB Version Description
LCD Display Adapter with 7'' capacitive display

PEB-AV-02-070W.A0

(Includes AV module, display, and cable)

1415.1 ETM0700G0DH6 LCD Display/ Capacitive touch interface
Evaluation Board PEB-EVAL-02 1460.0

Connects to expansion header and provides:

UART1, UART2, JTAG, I2C EEPROM, three user buttons, three user LEDs

WiFi/Bluetooth Module PEB-WLBT-03-CA.A1 1478.1

LAIRD Sterling-LWB module, connects to phyBOARD expansion header

BSP Download


Prebuilt images of BSP-Yocto-FSL-iMX7-PD17.2.0 can be downloaded and extracted from the link below:

BSP-Yocto-FSL-iMX7-PD17.2.0.tar.bz2

Quickstart


Quickstarts for BSP-Yocto-FSL-iMX7-PD17.2.0:

BSP Yocto FSL i.MX7 PD17.2.0 Quickstart

BSP Features


The following table lists the interfaces available from the phyCORE-iMX7 SOM. 

  • Implemented - driver support exists in the kernel. 
  • Tested  - the interface has been configured in the device tree and was tested by PHYTEC 
  • Enabled in DTS - the corresponding device tree nodes are enabled in the device tree imx7d-phyboard-zeta-001.dts

    The "Enabled in DTS" column is specifically for the standard phyBOARD-Zeta kit (machine configuration imx7d-phyboard-zeta-001).

    Please look at the dts file corresponding to your machine configuration for differences.

Interface Detail Implemented Tested Enabled in DTS Notes
UART uart1 Yes Yes Yes DB9 connector on PEB-EVAL-02
uart2 Yes Yes Yes DB9 connector on PEB-EVAL-02
uart3 Yes No [click for info]  expansion header
uart4 Yes No [click for info]   
uart5 Yes Yes Yes RS232 default serial console at Connector X2
uart6 Yes No [click for info]   expansion header
uart7 Yes Yes Yes expansion header - Configured for BT on PEB-WLBT-03
I2C i2c1 Yes Yes Yes expansion header
i2c2 Yes Yes Yes AV Connector X4
i2c3 Yes No [click for info]  
i2c4 Yes Yes Yes expansion header
Ethernet RGMII1 Yes Yes Yes KSZ9031RNX PHY on SOM, Connector X8
RGMII2 Yes Yes Yes KSZ9031RNX PHY on CarrierBoard, Connector X7
SAI sai1 Yes No
Audio/Video Connector X4
sai2 Yes No [click for info]   expansion header
sai3 Yes No [click for info]  
MMC/SDIO SD1 Yes Yes Yes microSD slot connector X11
SD2 Yes No [click for info]   expansion header
SD3 Yes Yes Yes signals routed to eMMC.
Communication MultiCore Communication with Cortex-M4 (RPMsg) Yes Yes Yes See FreeRTOS release for more info.
Laird Sterling LWB Bluetooth Yes Yes Yes on PEB-WLBT-03
Laird Sterling LWB WiFi Yes Yes Yes on PEB-WLBT-03
USB usb1 Yes Yes Yes USB-A Host Connector X9
usb2 Yes Yes Yes USB-AB OTG Connector X10
usbh (HSIC) Yes Yes No expansion header
CAN can1 Yes Yes Yes Header X1
can2 Yes No [click for info]  
SPI spi1 Yes No [click for info]   expansion header
spi2 Yes No [click for info]   expansion header
spi3 Yes No [click for info]    expansion header
spi4 Yes No [click for info]  
ADC adc1 Yes Yes Yes expansion header
Display and Touch LCD Display Yes Yes Yes via expansion board PEB-AV-02
Analog LCD Touch Yes Yes Yes

Capacitive ETM-FT5x06

via expansion board PEB-AV-02

HDMI No No

via expansion board PEB-AV-01

Backlight Yes Yes Yes

PWM via pwm4

via expansion board PEB-AV-02

GPIO

User Buttons and LEDs

Yes Yes Yes

User LED GPIO2_10 on CarrierBoard

Three user LEDs and three buttons on PEB-EVAL-02 

Memory

 
8/16-bit NAND Flash (GPMC) Yes Yes No MT29F4G08 - not populated in default SOM configuration
SPI NOR Flash Yes Yes Yes N25Q128A on QSPI_A
EEPROM on SOM Yes Yes Yes M24C32 on i2c1
EEPROM on eval board Yes Yes Yes CAT24C32 on i2c4 PEB-EVAL-02 
eMMC Yes Yes Yes

On SD3

PCM-061.A0 -.A4 SOMs: MTFC4GMDEA-4M

PCM-061-2110111C.A1: MTFC4GACAJCN-4M IT

RTC Internal i.MX7 Yes Yes Yes SNVS RTC
External RTC Yes Yes Yes RV-4162-C7 on I2C1
Power Management PMIC Yes Yes Yes PF3000 on I2C1
JTAG JTAG


ARM JTAG 20 connector on PEB-EVAL-02
PCIe mini-pcie Yes Yes Yes connector X12

[1] Interface requires additional configuration, such as pinmuxing. It may be possible to change the software configuration to utilize this interface even if it is not being set in the board's default configuration. Please see NXP's i.MX7D Technical Reference Manual for more information on the various modes each pin can be muxed to.

Fixed In This Release


  • eMMC HS400
    • Updated usdhc3 pinmuxing for improved HS400 performance

New In This Release


  • Linux
    • Updated device tree structure to support SOM variants:
      • PCM-061-2110111C
      • PCM-061-0502100E
      • PCM-061-2111101E
      • PCM-061-2111111E

    • Enabled ADC1, available at expansion header on carrier board
    • Added support for NAND
  • Meta-phytec:
    • "imx7d-phyboard-zeta" machine renamed to "imx7d-phyboard-zeta-001"
    • New machine for i.MX7 Solo Kit imx7s-phyboard-zeta-002
    • Yocto source Mirroring on PHYTEC Artifactory
  • U-Boot:
    • Support for 256MB DDR
    • New configuration options:
      • mx7d_pcm061_21x_config
      • mx7s_pcm061_05x_config
    • Booting from NAND
  • General:
    • WiFi/Bluetooth support for PEB-WLBT-03

Not Tested


  • Booting via network
  • Qt5 - NXP includes "fsl-image-qt5" Yocto Image in the BSP but it is meant for i.MX SoCs with hardware graphics, and is not supported by NXP or PHYTEC for the i.MX7D.

Known Issues


PHYTEC Known Issues

  • Ethernet:
    • iperf3 is included with the Krogoth Yocto BSP. With UDP, this command reports much lower bandwidth than expected when compared with iperf command.
  • eMMC:

    • Flashing with U-Boot: 
      • fsl-image-gui-imx7d-phyboard-zeta.sdcard image is too large to be loaded into memory (1GB) from u-boot.
      • Workaround: Partition and flash eMMC from Linux instead. See Quickstart for instructions.
  • Linux IMX Busfreq driver:
    • Driver disabled by default due to impaired UART console functionality when the system is idle (Low frequency setpoint).
    • For dynamic bus frequency scaling and improved power consumption, the busfreq driver can be enabled in the device tree by removing the "fsl,freq_scaling_disabled" property in imx7-phycore-som.dtsi. It can also be controlled in Linux sysfs: 

      echo 1 > /sys/bus/platform/drivers/imx_busfreq/soc\:busfreq/enable 


  • Kit imx7s-phyboard-zeta-002: 

    • Communication with Cortex-M4: Linux fails to boot when RPMsg is enabled.

    • 256MB NAND is too small to flash fsl-image-gui filesystem. Booting from NAND was tested with core-image-minimal Yocto image, which is included with release binaries.

NXP Known Issues


Technical Support


For further information or to report any problems, visit the PHYTEC Support Portal