IMX6q 上添加tw6865芯片时注册失败

[joubertshe]

Now we need add tw6865 ic to imx6q board,

but when start kernel tw6865 prob could be failed,

and the log file indicated that can't enable device BAR0 not claimed,

i have uploaded the log picture as attachment, please help check this issue , thanks a lot

[tengri]

This could be due to hardware connection issues between IMX6Q and the chip. Which kernel and distribution you use? Couple of things you can try in the kernel to tweak :

1. Try disabling PCI Force Gen 1 option in menuconfig

2. Also disable PCIE MSI Signal Interrupt Option

Regards

Anuradha

[joanxie]

pls refer to the topic here:

https://community.nxp.com/thread/444870 

[joanxie]

pls refer to the link as below, you can refer to the software path.

https://community.nxp.com/docs/DOC-94541