Which version of Linux SDK have to use for T2081QDS ?

[Vimalprasad]

Hi ,

 I'm trying to install the linux SDK for the T2081 processor.

I'm referring the QorIQ SDK v2.0-1703 Documentation for the installation process.

But I'm not getting the build configurations for the T2081QDS processor, I'm getting only the T2080QDS. I have started using the T2080QDS but still facing error while giving this command "bitbake -c compile -f u-boot". but I'm facing the error.

Can you please provide me the proper LINUX-SDK file for the T2081QDS processor?

And give me the steps to install and get the u-boot file.

[yipingwang]

You need to build QorIQ SDK 2.0 1703 on Ubuntu 16.04.

Please go to sources/meta-freescale/conf/machine/, 

$ cp t2080qds.conf t2081qds.conf

Then modify t2081qds.conf as the following:

UBOOT_CONFIG ??= "sdcard spi nand srio-pcie-boot nor"
UBOOT_CONFIG[nor] = "T2081QDS_config"
UBOOT_CONFIG[sdcard] = "T2081QDS_SDCARD_config,,u-boot-with-spl-pbl.bin"
UBOOT_CONFIG[spi] = "T2081QDS_SPIFLASH_config,,u-boot-with-spl-pbl.bin"
UBOOT_CONFIG[nand] = "T2081QDS_NAND_config,,u-boot-with-spl-pbl.bin"
UBOOT_CONFIG[srio-pcie-boot] = "T2081QDS_SRIO_PCIE_BOOT_config"
UBOOT_CONFIG[secure-boot] = "T2081QDS_SECURE_BOOT_config"

Then you could create a build project for T2081QDS platform.

[Vimalprasad]

Hi @yipingwang ,

Thanks for your response,

I have taken the u-boot from the YOCTO project and then build it for the T2081QDS processor.

I have flashed the images to the board. 

In the booting I got the U-boot prints but, it stuck after the stopping the u-boot from auto-boot.

I cannot be able to enter any commands to proceed. 

PFA,

[yipingwang]

Are you using T2081QDS demo board or your custom board?

Please check whether the switch setting are correct.

It seems that you are bringing up new custom board. According to the u-boot log, there is problem at DDR controller initialization. Please use QCVS DDRv tool to do DDR configuration parameters optimization and validation.

[Vimalprasad]

I'm using the T2081QDS custom board.
Can you tell me how to do QCVS DDRv tool validation and how to use in the u-boot source file?

[yipingwang]

Please refer to https://www.nxp.com.cn/docs/en/user-guide/QCVS_DDR_User_Guide.pdf

 If there is SPD on the target board, please use reading from SPD to create a DDR project. If no, please create a QCVS DDR project with default parameters, then modify Properties panel according to DDR datasheet.

Please modify ddr.c and ddr.h in board/freescale/t208xqds according to the final result generated by QCVS DDRv tool.

[Vimalprasad]

Hi @yipingwang ,

Please find the latest u-boot log for your reference.

here also the u-boot stuck after stopping the auto-boot, can't able to enter commands.

[Vimalprasad]

Can you please verify the above u-boot log , whether the DDR configuration is proper or not?

[yipingwang]

Please refer to the following document to debug u-boot.

https://community.nxp.com/t5/CodeWarrior-Development-Tools/CodeWarrior-U-Boot-Debugging/ta-p/1121398